forked from M-Labs/humpback-dds
fix tab/space
This commit is contained in:
parent
84eec58ee1
commit
dff726d121
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@ -4,123 +4,123 @@ use core::assert;
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use crate::urukul::Error;
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use crate::urukul::Error;
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pub struct Attenuator<SPI> {
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pub struct Attenuator<SPI> {
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spi: SPI,
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spi: SPI,
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data: [u8; 4],
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data: [u8; 4],
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}
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}
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impl<SPI, E> Attenuator<SPI>
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impl<SPI, E> Attenuator<SPI>
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where
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where
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SPI: Transfer<u8, Error = E>
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SPI: Transfer<u8, Error = E>
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{
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{
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pub fn new(spi: SPI) -> Self {
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pub fn new(spi: SPI) -> Self {
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Attenuator {
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Attenuator {
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spi,
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spi,
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// data[y] refers to the yth byte for SPI communication
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// data[y] refers to the yth byte for SPI communication
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data: [0, 0, 0, 0],
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data: [0, 0, 0, 0],
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}
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}
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}
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}
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/*
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/*
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* Set attenuations of all attenuators
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* Set attenuations of all attenuators
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* att[x] refers to the attenuation for channel x
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* att[x] refers to the attenuation for channel x
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*/
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*/
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pub fn set_attenuation(&mut self, att: [f32; 4]) -> Result<(), Error<E>> {
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pub fn set_attenuation(&mut self, att: [f32; 4]) -> Result<(), Error<E>> {
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for i in 0..4 {
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for i in 0..4 {
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let mut atten = att[i];
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let mut atten = att[i];
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if att[i] > 31.5 {
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if att[i] > 31.5 {
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atten = 31.5;
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atten = 31.5;
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}
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}
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if att[i] < 0.0 {
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if att[i] < 0.0 {
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atten = 0.0;
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atten = 0.0;
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}
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}
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// Set data as attenuation * 2
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// Set data as attenuation * 2
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// Flip data using bitwise XOR, active low data
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// Flip data using bitwise XOR, active low data
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// Data is most signifant attenuator first
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// Data is most signifant attenuator first
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self.data[3-i] = (((atten * 2.0) as u8) ^ 0xFF) << 2
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self.data[3-i] = (((atten * 2.0) as u8) ^ 0xFF) << 2
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}
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}
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let mut clone = self.data.clone();
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let mut clone = self.data.clone();
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// Transmit SPI once to set attenuation
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// Transmit SPI once to set attenuation
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self.spi.transfer(&mut clone)
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self.spi.transfer(&mut clone)
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.map(|_| ())
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.map(|_| ())
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.map_err(|_| Error::AttenuatorError)
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.map_err(|_| Error::AttenuatorError)
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}
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}
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pub fn set_channel_attenuation(&mut self, channel: u8, attenuation: f32) -> Result<(), Error<E>> {
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pub fn set_channel_attenuation(&mut self, channel: u8, attenuation: f32) -> Result<(), Error<E>> {
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assert!(channel < 4);
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assert!(channel < 4);
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let mut arr: [f32; 4] = self.get_attenuation()?;
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let mut arr: [f32; 4] = self.get_attenuation()?;
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arr[channel as usize] = attenuation;
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arr[channel as usize] = attenuation;
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self.set_attenuation(arr).map(|_| ())
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self.set_attenuation(arr).map(|_| ())
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}
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}
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pub fn get_channel_attenuation(&mut self, channel: u8) -> Result<f32, Error<E>> {
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pub fn get_channel_attenuation(&mut self, channel: u8) -> Result<f32, Error<E>> {
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assert!(channel < 4);
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assert!(channel < 4);
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match self.get_attenuation() {
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match self.get_attenuation() {
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Ok(arr) => Ok(arr[channel as usize]),
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Ok(arr) => Ok(arr[channel as usize]),
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Err(e) => Err(e),
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Err(e) => Err(e),
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}
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}
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}
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}
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pub fn get_attenuation(&mut self) -> Result<[f32; 4], Error<E>> {
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pub fn get_attenuation(&mut self) -> Result<[f32; 4], Error<E>> {
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let mut clone = self.data.clone();
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let mut clone = self.data.clone();
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match self.spi.transfer(&mut clone).map_err(Error::SPI) {
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match self.spi.transfer(&mut clone).map_err(Error::SPI) {
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Ok(arr) => {
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Ok(arr) => {
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let mut ret :[f32; 4] = [0.0; 4];
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let mut ret :[f32; 4] = [0.0; 4];
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for index in 0..4 {
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for index in 0..4 {
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ret[index] = ((arr[3 - index] ^ 0xFC) as f32) / 8.0;
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ret[index] = ((arr[3 - index] ^ 0xFC) as f32) / 8.0;
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}
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}
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Ok(ret)
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Ok(ret)
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},
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},
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Err(e) => Err(e),
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Err(e) => Err(e),
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}
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}
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}
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}
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/*
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/*
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* Test method for Attenuators.
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* Test method for Attenuators.
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* Return the number of test failed.
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* Return the number of test failed.
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*/
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*/
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pub fn test(&mut self) -> Result<u32, Error<E>> {
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pub fn test(&mut self) -> Result<u32, Error<E>> {
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// Test attenuators by getting back the attenuation
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// Test attenuators by getting back the attenuation
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let mut error_count = 0;
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let mut error_count = 0;
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// Convert cached SPI data into attenuation floats
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// Convert cached SPI data into attenuation floats
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let att_floats :[f32; 4] = [
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let att_floats :[f32; 4] = [
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((self.data[3] ^ 0xFC) as f32) / 8.0,
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((self.data[3] ^ 0xFC) as f32) / 8.0,
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((self.data[2] ^ 0xFC) as f32) / 8.0,
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((self.data[2] ^ 0xFC) as f32) / 8.0,
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((self.data[1] ^ 0xFC) as f32) / 8.0,
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((self.data[1] ^ 0xFC) as f32) / 8.0,
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((self.data[0] ^ 0xFC) as f32) / 8.0,
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((self.data[0] ^ 0xFC) as f32) / 8.0,
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];
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];
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// Set the attenuation to an arbitrary value, then read the attenuation
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// Set the attenuation to an arbitrary value, then read the attenuation
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self.set_attenuation([
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self.set_attenuation([
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3.5, 9.5, 20.0, 28.5
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3.5, 9.5, 20.0, 28.5
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])?;
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])?;
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match self.get_attenuation() {
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match self.get_attenuation() {
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Ok(arr) => {
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Ok(arr) => {
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if arr[0] != 3.5 {
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if arr[0] != 3.5 {
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error_count += 1;
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error_count += 1;
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}
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}
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if arr[1] != 9.5 {
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if arr[1] != 9.5 {
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error_count += 1;
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error_count += 1;
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}
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}
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if arr[2] != 20.0 {
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if arr[2] != 20.0 {
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error_count += 1;
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error_count += 1;
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}
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}
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if arr[3] != 28.5 {
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if arr[3] != 28.5 {
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error_count += 1;
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error_count += 1;
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}
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}
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},
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},
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Err(_) => return Err(Error::AttenuatorError),
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Err(_) => return Err(Error::AttenuatorError),
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};
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};
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self.set_attenuation(att_floats)?;
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self.set_attenuation(att_floats)?;
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Ok(error_count)
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Ok(error_count)
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}
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}
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}
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}
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impl<SPI, E> Transfer<u8> for Attenuator<SPI>
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impl<SPI, E> Transfer<u8> for Attenuator<SPI>
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where
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where
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SPI: Transfer<u8, Error = E>
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SPI: Transfer<u8, Error = E>
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{
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{
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type Error = Error<E>;
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type Error = Error<E>;
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fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> {
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fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> {
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self.spi.transfer(words).map_err(Error::SPI)
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self.spi.transfer(words).map_err(Error::SPI)
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}
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}
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}
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}
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@ -7,51 +7,51 @@
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*/
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*/
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macro_rules! construct_bitmask {
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macro_rules! construct_bitmask {
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($collection: ident; $unsigned_type: ty; $($name: ident, $shift: expr, $width: expr),+) => {
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($collection: ident; $unsigned_type: ty; $($name: ident, $shift: expr, $width: expr),+) => {
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#[derive(Debug, Copy, Clone, PartialEq, Eq)]
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#[derive(Debug, Copy, Clone, PartialEq, Eq)]
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#[allow(non_camel_case_types)]
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#[allow(non_camel_case_types)]
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pub enum $collection {
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pub enum $collection {
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$(
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$(
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$name,
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$name,
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)*
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)*
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}
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}
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impl $collection {
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impl $collection {
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pub(crate) fn get_width(self) -> u8 {
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pub(crate) fn get_width(self) -> u8 {
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match self {
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match self {
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$(
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$(
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$collection::$name => $width,
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$collection::$name => $width,
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)*
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)*
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}
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}
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}
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}
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pub(crate) fn get_shift(self) -> u8 {
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pub(crate) fn get_shift(self) -> u8 {
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match self {
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match self {
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$(
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$(
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$collection::$name => $shift,
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$collection::$name => $shift,
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)*
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)*
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}
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}
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}
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}
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pub(crate) fn get_bitmask(self) -> $unsigned_type {
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pub(crate) fn get_bitmask(self) -> $unsigned_type {
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let mut mask: $unsigned_type = 0;
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let mut mask: $unsigned_type = 0;
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for bit in 0..self.get_width() {
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for bit in 0..self.get_width() {
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mask |= (1 << (self.get_shift() + bit) % ((size_of::<$unsigned_type>() as u8) * 8));
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mask |= (1 << (self.get_shift() + bit) % ((size_of::<$unsigned_type>() as u8) * 8));
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}
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}
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mask
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mask
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}
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}
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pub(crate) fn get_shifted_bits(self, arg: $unsigned_type) -> $unsigned_type {
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pub(crate) fn get_shifted_bits(self, arg: $unsigned_type) -> $unsigned_type {
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assert!(arg < (2 << self.get_width()));
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assert!(arg < (2 << self.get_width()));
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(arg << (self.get_shift() % ((size_of::<$unsigned_type>() as u8) * 8)))
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(arg << (self.get_shift() % ((size_of::<$unsigned_type>() as u8) * 8)))
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}
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}
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#[allow(dead_code)]
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#[allow(dead_code)]
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pub(crate) fn set_data_by_arg(self, data: &mut $unsigned_type, arg: $unsigned_type) {
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pub(crate) fn set_data_by_arg(self, data: &mut $unsigned_type, arg: $unsigned_type) {
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// Clear bits in field, then insert shifted argument
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// Clear bits in field, then insert shifted argument
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*data &= (!self.get_bitmask());
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*data &= (!self.get_bitmask());
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*data |= self.get_shifted_bits(arg);
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*data |= self.get_shifted_bits(arg);
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}
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}
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pub(crate) fn get_filtered_content(self, data: $unsigned_type) -> $unsigned_type {
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pub(crate) fn get_filtered_content(self, data: $unsigned_type) -> $unsigned_type {
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// Filter everything then shift bits
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// Filter everything then shift bits
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((data & self.get_bitmask()) >> (self.get_shift() % ((size_of::<$unsigned_type>() as u8) * 8)))
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((data & self.get_bitmask()) >> (self.get_shift() % ((size_of::<$unsigned_type>() as u8) * 8)))
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}
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}
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}
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}
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}
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}
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}
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}
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@ -4,121 +4,121 @@ use core::mem::size_of;
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// Bitmasks for CFG
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// Bitmasks for CFG
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construct_bitmask!(CFGMask; u32;
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construct_bitmask!(CFGMask; u32;
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RF_SW, 0, 4,
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RF_SW, 0, 4,
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LED, 4, 4,
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LED, 4, 4,
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PROFILE, 8, 3,
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PROFILE, 8, 3,
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IO_UPDATE, 12, 1,
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IO_UPDATE, 12, 1,
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MASK_NU, 13, 4,
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MASK_NU, 13, 4,
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CLK_SEL0, 17, 1,
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CLK_SEL0, 17, 1,
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SYNC_SEL, 18, 1,
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SYNC_SEL, 18, 1,
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RST, 19, 1,
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RST, 19, 1,
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IO_RST, 20, 1,
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IO_RST, 20, 1,
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CLK_SEL1, 21, 1,
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CLK_SEL1, 21, 1,
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DIV, 22, 2
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DIV, 22, 2
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);
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);
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// BitMasks for CFG read
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// BitMasks for CFG read
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construct_bitmask!(StatusMask; u32;
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construct_bitmask!(StatusMask; u32;
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RF_SW, 0, 4,
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RF_SW, 0, 4,
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SMP_ERR, 4, 4,
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SMP_ERR, 4, 4,
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PLL_LOCK, 8, 4,
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PLL_LOCK, 8, 4,
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IFC_MODE, 12, 4,
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IFC_MODE, 12, 4,
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PROTO_KEY, 16, 7
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PROTO_KEY, 16, 7
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);
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);
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pub struct ConfigRegister<SPI> {
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pub struct ConfigRegister<SPI> {
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spi: SPI,
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spi: SPI,
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data: u32,
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data: u32,
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}
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}
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impl<SPI, E> ConfigRegister<SPI>
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impl<SPI, E> ConfigRegister<SPI>
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where
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where
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SPI: Transfer<u8, Error = E>
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SPI: Transfer<u8, Error = E>
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{
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{
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pub fn new(spi: SPI) -> Self {
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pub fn new(spi: SPI) -> Self {
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ConfigRegister {
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ConfigRegister {
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spi,
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spi,
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data: 0,
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data: 0,
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}
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}
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}
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}
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/*
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/*
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* Set configuration bits according to data field
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* Set configuration bits according to data field
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* Return status
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* Return status
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*/
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*/
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fn set_all_configurations(&mut self) -> Result<u32, Error<E>> {
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fn set_all_configurations(&mut self) -> Result<u32, Error<E>> {
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match self.spi.transfer(&mut [
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match self.spi.transfer(&mut [
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((self.data & 0x00FF0000) >> 16) as u8,
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((self.data & 0x00FF0000) >> 16) as u8,
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((self.data & 0x0000FF00) >> 8) as u8,
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((self.data & 0x0000FF00) >> 8) as u8,
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((self.data & 0x000000FF) >> 0) as u8,
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((self.data & 0x000000FF) >> 0) as u8,
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]).map_err(Error::SPI) {
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]).map_err(Error::SPI) {
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Ok(arr) => Ok(
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Ok(arr) => Ok(
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((arr[0] as u32) << 16) |
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((arr[0] as u32) << 16) |
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((arr[1] as u32) << 8) |
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((arr[1] as u32) << 8) |
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arr[2] as u32
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arr[2] as u32
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),
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),
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Err(e) => Err(e),
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Err(e) => Err(e),
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}
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}
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}
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}
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/*
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/*
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* Set configuration bits according to supplied configs
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* Set configuration bits according to supplied configs
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* Return status
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* Return status
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*/
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*/
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pub fn set_configurations(&mut self, configs: &mut[(CFGMask, u32)]) -> Result<u32, Error<E>> {
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pub fn set_configurations(&mut self, configs: &mut[(CFGMask, u32)]) -> Result<u32, Error<E>> {
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for config in configs.into_iter() {
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for config in configs.into_iter() {
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config.0.set_data_by_arg(&mut self.data, config.1)
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config.0.set_data_by_arg(&mut self.data, config.1)
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}
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}
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// Write all configurations at the same time
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// Write all configurations at the same time
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self.set_all_configurations()
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self.set_all_configurations()
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}
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}
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/*
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/*
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* Return selected configuration field
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* Return selected configuration field
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*/
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*/
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pub fn get_configuration(&mut self, config_type: CFGMask) -> u8 {
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pub fn get_configuration(&mut self, config_type: CFGMask) -> u8 {
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config_type.get_filtered_content(self.data) as u8
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config_type.get_filtered_content(self.data) as u8
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}
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}
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/*
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/*
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* Return status using mask
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* Return status using mask
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*/
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*/
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pub fn get_status(&mut self, status_type: StatusMask) -> Result<u8, Error<E>> {
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pub fn get_status(&mut self, status_type: StatusMask) -> Result<u8, Error<E>> {
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match self.set_all_configurations() {
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match self.set_all_configurations() {
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Ok(val) => Ok(status_type.get_filtered_content(val) as u8),
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Ok(val) => Ok(status_type.get_filtered_content(val) as u8),
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Err(e) => Err(e),
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Err(e) => Err(e),
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}
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}
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}
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}
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/*
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/*
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* Return entire status register
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* Return entire status register
|
||||||
*/
|
*/
|
||||||
pub fn get_all_status(&mut self) -> Result<u32, Error<E>> {
|
pub fn get_all_status(&mut self) -> Result<u32, Error<E>> {
|
||||||
return self.set_all_configurations();
|
return self.set_all_configurations();
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Test method for Configuration Register.
|
* Test method for Configuration Register.
|
||||||
* Return the number of test failed.
|
* Return the number of test failed.
|
||||||
*/
|
*/
|
||||||
pub fn test(&mut self) -> Result<u32, Error<E>> {
|
pub fn test(&mut self) -> Result<u32, Error<E>> {
|
||||||
// Test configuration register by getting PROTO_KEY.
|
// Test configuration register by getting PROTO_KEY.
|
||||||
match self.get_status(StatusMask::PROTO_KEY) {
|
match self.get_status(StatusMask::PROTO_KEY) {
|
||||||
Ok(8) => Ok(0),
|
Ok(8) => Ok(0),
|
||||||
Ok(_) => Ok(1),
|
Ok(_) => Ok(1),
|
||||||
Err(_) => Err(Error::ConfigRegisterError),
|
Err(_) => Err(Error::ConfigRegisterError),
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl<SPI, E> Transfer<u8> for ConfigRegister<SPI>
|
impl<SPI, E> Transfer<u8> for ConfigRegister<SPI>
|
||||||
where
|
where
|
||||||
SPI: Transfer<u8, Error = E>
|
SPI: Transfer<u8, Error = E>
|
||||||
{
|
{
|
||||||
type Error = Error<E>;
|
type Error = Error<E>;
|
||||||
|
|
||||||
fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> {
|
fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> {
|
||||||
self.spi.transfer(words).map_err(Error::SPI)
|
self.spi.transfer(words).map_err(Error::SPI)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -2,14 +2,14 @@ use crate::urukul::Error;
|
||||||
use crate::spi_slave::Parts;
|
use crate::spi_slave::Parts;
|
||||||
|
|
||||||
use embedded_hal::{
|
use embedded_hal::{
|
||||||
digital::v2::OutputPin,
|
digital::v2::OutputPin,
|
||||||
blocking::spi::Transfer,
|
blocking::spi::Transfer,
|
||||||
};
|
};
|
||||||
|
|
||||||
use core::cell;
|
use core::cell;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Basic structure for CPLD signal multiplexing
|
* Basic structure for CPLD signal multiplexing
|
||||||
*/
|
*/
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub struct CPLDData<SPI, CS0, CS1, CS2, GPIO> {
|
pub struct CPLDData<SPI, CS0, CS1, CS2, GPIO> {
|
||||||
|
|
|
||||||
1524
src/dds.rs
1524
src/dds.rs
File diff suppressed because it is too large
Load Diff
42
src/flash.rs
42
src/flash.rs
|
|
@ -1,5 +1,5 @@
|
||||||
use embedded_hal::{
|
use embedded_hal::{
|
||||||
digital::v2::{OutputPin, InputPin},
|
digital::v2::{OutputPin, InputPin},
|
||||||
blocking::spi::Transfer,
|
blocking::spi::Transfer,
|
||||||
blocking::delay::DelayUs,
|
blocking::delay::DelayUs,
|
||||||
};
|
};
|
||||||
|
|
@ -21,65 +21,65 @@ pub fn flash_ice40_fpga<SPI: Transfer<u8>,
|
||||||
DONE: InputPin>
|
DONE: InputPin>
|
||||||
(mut spi: SPI, mut ss: SS, mut creset: RST, cdone: DONE, mut delay: DELAY) -> Result<(), FPGAFlashError>
|
(mut spi: SPI, mut ss: SS, mut creset: RST, cdone: DONE, mut delay: DELAY) -> Result<(), FPGAFlashError>
|
||||||
{
|
{
|
||||||
// Data buffer setup
|
// Data buffer setup
|
||||||
let mut dummy_byte :[u8; 1] = [0x00];
|
let mut dummy_byte :[u8; 1] = [0x00];
|
||||||
let mut dummy_13_bytes :[u8; 13] = [0x00; 13];
|
let mut dummy_13_bytes :[u8; 13] = [0x00; 13];
|
||||||
|
|
||||||
// Drive CRESET_B low
|
// Drive CRESET_B low
|
||||||
creset.set_low()
|
creset.set_low()
|
||||||
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
||||||
|
|
||||||
// Drive SPI_SS_B low
|
// Drive SPI_SS_B low
|
||||||
ss.set_low()
|
ss.set_low()
|
||||||
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
||||||
|
|
||||||
// Wait at least 200ns
|
// Wait at least 200ns
|
||||||
delay.delay_us(1_u32);
|
delay.delay_us(1_u32);
|
||||||
|
|
||||||
// Drive CRESET_B high
|
// Drive CRESET_B high
|
||||||
creset.set_high()
|
creset.set_high()
|
||||||
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
||||||
|
|
||||||
// Wait at least another 1200us to clear internal config memory
|
// Wait at least another 1200us to clear internal config memory
|
||||||
delay.delay_us(1200_u32);
|
delay.delay_us(1200_u32);
|
||||||
|
|
||||||
// Before data transmission starts, check if C_DONE is truly low
|
// Before data transmission starts, check if C_DONE is truly low
|
||||||
// If C_DONE is high, the FPGA reset procedure is unsuccessful
|
// If C_DONE is high, the FPGA reset procedure is unsuccessful
|
||||||
match cdone.is_low() {
|
match cdone.is_low() {
|
||||||
Ok(true) => {},
|
Ok(true) => {},
|
||||||
_ => return Err(FPGAFlashError::ResetStatusError),
|
_ => return Err(FPGAFlashError::ResetStatusError),
|
||||||
};
|
};
|
||||||
|
|
||||||
// Set SPI_SS_B high
|
// Set SPI_SS_B high
|
||||||
ss.set_high()
|
ss.set_high()
|
||||||
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
||||||
|
|
||||||
// Send 8 dummy clock, effectively 1 byte of 0x00
|
// Send 8 dummy clock, effectively 1 byte of 0x00
|
||||||
spi.transfer(&mut dummy_byte)
|
spi.transfer(&mut dummy_byte)
|
||||||
.map_err(|_| FPGAFlashError::SPICommunicationError)?;
|
.map_err(|_| FPGAFlashError::SPICommunicationError)?;
|
||||||
|
|
||||||
// Drive SPI_SS_B low
|
// Drive SPI_SS_B low
|
||||||
ss.set_low()
|
ss.set_low()
|
||||||
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
||||||
|
|
||||||
// Send the whole image without interruption
|
// Send the whole image without interruption
|
||||||
for byte in DATA.into_iter() {
|
for byte in DATA.into_iter() {
|
||||||
let mut single_byte_slice = [*byte];
|
let mut single_byte_slice = [*byte];
|
||||||
spi.transfer(&mut single_byte_slice)
|
spi.transfer(&mut single_byte_slice)
|
||||||
.map_err(|_| FPGAFlashError::SPICommunicationError)?;
|
.map_err(|_| FPGAFlashError::SPICommunicationError)?;
|
||||||
}
|
}
|
||||||
|
|
||||||
// Drive SPI_SS_B high
|
// Drive SPI_SS_B high
|
||||||
ss.set_high()
|
ss.set_high()
|
||||||
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
.map_err(|_| FPGAFlashError::NegotiationError)?;
|
||||||
|
|
||||||
// Send at another 100 dummy clocks (choosing 13 bytes)
|
// Send at another 100 dummy clocks (choosing 13 bytes)
|
||||||
spi.transfer(&mut dummy_13_bytes)
|
spi.transfer(&mut dummy_13_bytes)
|
||||||
.map_err(|_| FPGAFlashError::SPICommunicationError)?;
|
.map_err(|_| FPGAFlashError::SPICommunicationError)?;
|
||||||
|
|
||||||
// Check the CDONE output from FPGA
|
// Check the CDONE output from FPGA
|
||||||
// CDONE needs to be high
|
// CDONE needs to be high
|
||||||
match cdone.is_high() {
|
match cdone.is_high() {
|
||||||
Ok(true) => {},
|
Ok(true) => {},
|
||||||
_ => return Err(FPGAFlashError::ResetStatusError),
|
_ => return Err(FPGAFlashError::ResetStatusError),
|
||||||
};
|
};
|
||||||
|
|
|
||||||
156
src/main.rs
156
src/main.rs
|
|
@ -1,15 +1,16 @@
|
||||||
#![no_main]
|
#![no_main]
|
||||||
#![no_std]
|
#![no_std]
|
||||||
#![feature(str_strip)]
|
#![feature(str_strip)]
|
||||||
use log::{ trace, debug, info, warn };
|
#![feature(core_intrinsics)]
|
||||||
use stm32h7xx_hal::hal::digital::v2::InputPin;
|
|
||||||
|
use log::{ trace };
|
||||||
use stm32h7xx_hal::gpio::Speed;
|
use stm32h7xx_hal::gpio::Speed;
|
||||||
use stm32h7xx_hal::{pac, prelude::*, spi};
|
use stm32h7xx_hal::{pac, prelude::*, spi};
|
||||||
use stm32h7xx_hal::ethernet;
|
use stm32h7xx_hal::ethernet;
|
||||||
|
|
||||||
use smoltcp as net;
|
use smoltcp as net;
|
||||||
use minimq::{
|
use minimq::{
|
||||||
embedded_nal::{IpAddr, Ipv4Addr, TcpStack},
|
embedded_nal::{ IpAddr, Ipv4Addr },
|
||||||
MqttClient, QoS
|
MqttClient, QoS
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
@ -17,7 +18,6 @@ use cortex_m;
|
||||||
use cortex_m_rt::entry;
|
use cortex_m_rt::entry;
|
||||||
use rtic::cyccnt::{Instant, U32Ext};
|
use rtic::cyccnt::{Instant, U32Ext};
|
||||||
|
|
||||||
use heapless::Vec;
|
|
||||||
use heapless::consts;
|
use heapless::consts;
|
||||||
|
|
||||||
#[macro_use]
|
#[macro_use]
|
||||||
|
|
@ -70,30 +70,30 @@ macro_rules! add_socket {
|
||||||
#[entry]
|
#[entry]
|
||||||
fn main() -> ! {
|
fn main() -> ! {
|
||||||
|
|
||||||
let mut cp = cortex_m::Peripherals::take().unwrap();
|
let mut cp = cortex_m::Peripherals::take().unwrap();
|
||||||
let dp = pac::Peripherals::take().unwrap();
|
let dp = pac::Peripherals::take().unwrap();
|
||||||
|
|
||||||
unsafe {
|
unsafe {
|
||||||
logger::enable_itm(&dp.DBGMCU, &mut cp.DCB, &mut cp.ITM);
|
logger::enable_itm(&dp.DBGMCU, &mut cp.DCB, &mut cp.ITM);
|
||||||
}
|
}
|
||||||
logger::init();
|
logger::init();
|
||||||
|
|
||||||
// Enable SRAM3 for the descriptor ring.
|
// Enable SRAM3 for the descriptor ring.
|
||||||
dp.RCC.ahb2enr.modify(|_, w| w.sram3en().set_bit());
|
dp.RCC.ahb2enr.modify(|_, w| w.sram3en().set_bit());
|
||||||
// // Reset RCC clock
|
// // Reset RCC clock
|
||||||
// dp.RCC.rsr.write(|w| w.rmvf().set_bit());
|
// dp.RCC.rsr.write(|w| w.rmvf().set_bit());
|
||||||
|
|
||||||
let pwr = dp.PWR.constrain();
|
let pwr = dp.PWR.constrain();
|
||||||
let vos = pwr.freeze();
|
let vos = pwr.freeze();
|
||||||
|
|
||||||
let rcc = dp.RCC.constrain();
|
let rcc = dp.RCC.constrain();
|
||||||
let ccdr = rcc
|
let ccdr = rcc
|
||||||
.use_hse(8.mhz())
|
.use_hse(8.mhz())
|
||||||
.sys_ck(400.mhz())
|
.sys_ck(400.mhz())
|
||||||
.hclk(200.mhz())
|
.hclk(200.mhz())
|
||||||
.pll1_q_ck(48.mhz())
|
.pll1_q_ck(48.mhz())
|
||||||
.pll1_r_ck(400.mhz())
|
.pll1_r_ck(400.mhz())
|
||||||
.freeze(vos, &dp.SYSCFG);
|
.freeze(vos, &dp.SYSCFG);
|
||||||
|
|
||||||
let delay = cp.SYST.delay(ccdr.clocks);
|
let delay = cp.SYST.delay(ccdr.clocks);
|
||||||
|
|
||||||
|
|
@ -102,42 +102,42 @@ fn main() -> ! {
|
||||||
|
|
||||||
cp.DWT.enable_cycle_counter();
|
cp.DWT.enable_cycle_counter();
|
||||||
|
|
||||||
let gpioa = dp.GPIOA.split(ccdr.peripheral.GPIOA);
|
let gpioa = dp.GPIOA.split(ccdr.peripheral.GPIOA);
|
||||||
let gpiob = dp.GPIOB.split(ccdr.peripheral.GPIOB);
|
let gpiob = dp.GPIOB.split(ccdr.peripheral.GPIOB);
|
||||||
let gpioc = dp.GPIOC.split(ccdr.peripheral.GPIOC);
|
let gpioc = dp.GPIOC.split(ccdr.peripheral.GPIOC);
|
||||||
let gpiod = dp.GPIOD.split(ccdr.peripheral.GPIOD);
|
let gpiod = dp.GPIOD.split(ccdr.peripheral.GPIOD);
|
||||||
let gpioe = dp.GPIOE.split(ccdr.peripheral.GPIOE);
|
let _gpioe = dp.GPIOE.split(ccdr.peripheral.GPIOE);
|
||||||
let gpiof = dp.GPIOF.split(ccdr.peripheral.GPIOF);
|
let gpiof = dp.GPIOF.split(ccdr.peripheral.GPIOF);
|
||||||
let gpiog = dp.GPIOG.split(ccdr.peripheral.GPIOG);
|
let gpiog = dp.GPIOG.split(ccdr.peripheral.GPIOG);
|
||||||
|
|
||||||
// Note: ITM doesn't work beyond this, due to a pin conflict between:
|
// Note: ITM doesn't work beyond this, due to a pin conflict between:
|
||||||
// - FPGA_SPI: SCK (af5)
|
// - FPGA_SPI: SCK (af5)
|
||||||
// - ST_LINK SWO (af0)
|
// - ST_LINK SWO (af0)
|
||||||
// Both demands PB3
|
// Both demands PB3
|
||||||
trace!("Flashing configuration bitstream to iCE40 HX8K on Humpback.");
|
trace!("Flashing configuration bitstream to iCE40 HX8K on Humpback.");
|
||||||
|
|
||||||
// Using SPI_1 alternate functions (af5)
|
// Using SPI_1 alternate functions (af5)
|
||||||
let fpga_sck = gpiob.pb3.into_alternate_af5();
|
let fpga_sck = gpiob.pb3.into_alternate_af5();
|
||||||
let fpga_sdo = gpiob.pb4.into_alternate_af5();
|
let fpga_sdo = gpiob.pb4.into_alternate_af5();
|
||||||
let fpga_sdi = gpiob.pb5.into_alternate_af5();
|
let fpga_sdi = gpiob.pb5.into_alternate_af5();
|
||||||
|
|
||||||
// Setup SPI_SS_B and CRESET_B
|
// Setup SPI_SS_B and CRESET_B
|
||||||
let fpga_ss = gpioa.pa4.into_push_pull_output();
|
let fpga_ss = gpioa.pa4.into_push_pull_output();
|
||||||
let fpga_creset = gpiof.pf3.into_open_drain_output();
|
let fpga_creset = gpiof.pf3.into_open_drain_output();
|
||||||
|
|
||||||
// Setup CDONE
|
// Setup CDONE
|
||||||
let fpga_cdone = gpiod.pd15.into_pull_up_input();
|
let fpga_cdone = gpiod.pd15.into_pull_up_input();
|
||||||
|
|
||||||
// Setup SPI interface
|
// Setup SPI interface
|
||||||
let fpga_cfg_spi = dp.SPI1.spi(
|
let fpga_cfg_spi = dp.SPI1.spi(
|
||||||
(fpga_sck, fpga_sdo, fpga_sdi),
|
(fpga_sck, fpga_sdo, fpga_sdi),
|
||||||
spi::MODE_3,
|
spi::MODE_3,
|
||||||
12.mhz(),
|
12.mhz(),
|
||||||
ccdr.peripheral.SPI1,
|
ccdr.peripheral.SPI1,
|
||||||
&ccdr.clocks,
|
&ccdr.clocks,
|
||||||
);
|
);
|
||||||
|
|
||||||
flash_ice40_fpga(fpga_cfg_spi, fpga_ss, fpga_creset, fpga_cdone, delay).unwrap();
|
flash_ice40_fpga(fpga_cfg_spi, fpga_ss, fpga_creset, fpga_cdone, delay).unwrap();
|
||||||
|
|
||||||
// Configure ethernet IO
|
// Configure ethernet IO
|
||||||
{
|
{
|
||||||
|
|
@ -183,46 +183,46 @@ fn main() -> ! {
|
||||||
.routes(routes)
|
.routes(routes)
|
||||||
.finalize();
|
.finalize();
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Using SPI6
|
* Using SPI6
|
||||||
* SCLK -> PA5 (af8)
|
* SCLK -> PA5 (af8)
|
||||||
* MOSI -> PG14 (af5)
|
* MOSI -> PG14 (af5)
|
||||||
* MISO -> PA6 (af8)
|
* MISO -> PA6 (af8)
|
||||||
* CS -> 0: PB12, 1: PA15, 2: PC7
|
* CS -> 0: PB12, 1: PA15, 2: PC7
|
||||||
*/
|
*/
|
||||||
let sclk = gpioa.pa5.into_alternate_af8().set_speed(Speed::VeryHigh);
|
let sclk = gpioa.pa5.into_alternate_af8().set_speed(Speed::VeryHigh);
|
||||||
let mosi = gpiog.pg14.into_alternate_af5().set_speed(Speed::VeryHigh);
|
let mosi = gpiog.pg14.into_alternate_af5().set_speed(Speed::VeryHigh);
|
||||||
let miso = gpioa.pa6.into_alternate_af8().set_speed(Speed::VeryHigh);
|
let miso = gpioa.pa6.into_alternate_af8().set_speed(Speed::VeryHigh);
|
||||||
let (cs0, cs1, cs2) = (
|
let (cs0, cs1, cs2) = (
|
||||||
gpiob.pb12.into_push_pull_output(),
|
gpiob.pb12.into_push_pull_output(),
|
||||||
gpioa.pa15.into_push_pull_output(),
|
gpioa.pa15.into_push_pull_output(),
|
||||||
gpioc.pc7.into_push_pull_output(),
|
gpioc.pc7.into_push_pull_output(),
|
||||||
);
|
);
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* I/O_Update -> PB15
|
* I/O_Update -> PB15
|
||||||
*/
|
*/
|
||||||
let io_update = gpiob.pb15.into_push_pull_output();
|
let io_update = gpiob.pb15.into_push_pull_output();
|
||||||
|
|
||||||
let spi = dp.SPI6.spi(
|
let spi = dp.SPI6.spi(
|
||||||
(sclk, miso, mosi),
|
(sclk, miso, mosi),
|
||||||
spi::MODE_0,
|
spi::MODE_0,
|
||||||
10.mhz(),
|
2.mhz(),
|
||||||
ccdr.peripheral.SPI6,
|
ccdr.peripheral.SPI6,
|
||||||
&ccdr.clocks,
|
&ccdr.clocks,
|
||||||
);
|
);
|
||||||
|
|
||||||
let switch = CPLD::new(spi, (cs0, cs1, cs2), io_update);
|
let switch = CPLD::new(spi, (cs0, cs1, cs2), io_update);
|
||||||
let parts = switch.split();
|
let parts = switch.split();
|
||||||
|
|
||||||
let mut urukul = Urukul::new(
|
let mut urukul = Urukul::new(
|
||||||
parts.spi1, parts.spi2, parts.spi3, parts.spi4, parts.spi5, parts.spi6, parts.spi7
|
parts.spi1, parts.spi2, parts.spi3, parts.spi4, parts.spi5, parts.spi6, parts.spi7
|
||||||
);
|
);
|
||||||
|
|
||||||
urukul.reset().unwrap();
|
urukul.reset().unwrap();
|
||||||
// info!("Test value: {}", urukul.test().unwrap());
|
// info!("Test value: {}", urukul.test().unwrap());
|
||||||
|
|
||||||
let mut mqtt_mux = MqttMux::new(urukul);
|
let mut mqtt_mux = MqttMux::new(urukul);
|
||||||
|
|
||||||
// Time unit in ms
|
// Time unit in ms
|
||||||
let mut time: u32 = 0;
|
let mut time: u32 = 0;
|
||||||
|
|
@ -271,7 +271,7 @@ fn main() -> ! {
|
||||||
.poll(|_client, topic, message, _properties| {
|
.poll(|_client, topic, message, _properties| {
|
||||||
// info!("On {:?}, received: {:?}", topic, message);
|
// info!("On {:?}, received: {:?}", topic, message);
|
||||||
// Why is topic a string while message is a slice?
|
// Why is topic a string while message is a slice?
|
||||||
mqtt_mux.process_mqtt(topic, message).is_ok();
|
mqtt_mux.process_mqtt(topic, message).unwrap();
|
||||||
}).is_ok();
|
}).is_ok();
|
||||||
|
|
||||||
if connection && !has_subscribed && tick {
|
if connection && !has_subscribed && tick {
|
||||||
|
|
|
||||||
|
|
@ -1,61 +1,61 @@
|
||||||
use embedded_hal::{
|
use embedded_hal::{
|
||||||
blocking::spi::Transfer,
|
blocking::spi::Transfer,
|
||||||
digital::v2::OutputPin,
|
digital::v2::OutputPin,
|
||||||
};
|
};
|
||||||
use crate::cpld::CPLD;
|
use crate::cpld::CPLD;
|
||||||
use crate::urukul::Error;
|
use crate::urukul::Error;
|
||||||
|
|
||||||
pub struct SPISlave<'a, SPI, CS0, CS1, CS2, GPIO> (
|
pub struct SPISlave<'a, SPI, CS0, CS1, CS2, GPIO> (
|
||||||
// SPI device to be multiplexed
|
// SPI device to be multiplexed
|
||||||
&'a CPLD<SPI, CS0, CS1, CS2, GPIO>,
|
&'a CPLD<SPI, CS0, CS1, CS2, GPIO>,
|
||||||
// Channel of SPI slave
|
// Channel of SPI slave
|
||||||
u8,
|
u8,
|
||||||
// Need I/O Update
|
// Need I/O Update
|
||||||
bool,
|
bool,
|
||||||
);
|
);
|
||||||
|
|
||||||
pub struct Parts<'a, SPI, CS0, CS1, CS2, GPIO> {
|
pub struct Parts<'a, SPI, CS0, CS1, CS2, GPIO> {
|
||||||
pub spi1: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
pub spi1: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
||||||
pub spi2: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
pub spi2: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
||||||
pub spi3: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
pub spi3: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
||||||
pub spi4: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
pub spi4: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
||||||
pub spi5: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
pub spi5: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
||||||
pub spi6: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
pub spi6: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
||||||
pub spi7: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
pub spi7: SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>,
|
||||||
}
|
}
|
||||||
|
|
||||||
impl<'a, SPI, CS0, CS1, CS2, GPIO> Parts<'a, SPI, CS0, CS1, CS2, GPIO> {
|
impl<'a, SPI, CS0, CS1, CS2, GPIO> Parts<'a, SPI, CS0, CS1, CS2, GPIO> {
|
||||||
pub(crate) fn new(cpld: &'a CPLD<SPI, CS0, CS1, CS2, GPIO>) -> Self {
|
pub(crate) fn new(cpld: &'a CPLD<SPI, CS0, CS1, CS2, GPIO>) -> Self {
|
||||||
Parts {
|
Parts {
|
||||||
spi1: SPISlave(&cpld, 1, false),
|
spi1: SPISlave(&cpld, 1, false),
|
||||||
spi2: SPISlave(&cpld, 2, false),
|
spi2: SPISlave(&cpld, 2, false),
|
||||||
spi3: SPISlave(&cpld, 3, false),
|
spi3: SPISlave(&cpld, 3, false),
|
||||||
spi4: SPISlave(&cpld, 4, true),
|
spi4: SPISlave(&cpld, 4, true),
|
||||||
spi5: SPISlave(&cpld, 5, true),
|
spi5: SPISlave(&cpld, 5, true),
|
||||||
spi6: SPISlave(&cpld, 6, true),
|
spi6: SPISlave(&cpld, 6, true),
|
||||||
spi7: SPISlave(&cpld, 7, true),
|
spi7: SPISlave(&cpld, 7, true),
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl<'a, SPI, CS0, CS1, CS2, GPIO, E> Transfer<u8> for SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>
|
impl<'a, SPI, CS0, CS1, CS2, GPIO, E> Transfer<u8> for SPISlave<'a, SPI, CS0, CS1, CS2, GPIO>
|
||||||
where
|
where
|
||||||
CS2: OutputPin,
|
CS2: OutputPin,
|
||||||
CS1: OutputPin,
|
CS1: OutputPin,
|
||||||
CS0: OutputPin,
|
CS0: OutputPin,
|
||||||
SPI: Transfer<u8, Error = E>,
|
SPI: Transfer<u8, Error = E>,
|
||||||
GPIO: OutputPin,
|
GPIO: OutputPin,
|
||||||
{
|
{
|
||||||
type Error = Error<E>;
|
type Error = Error<E>;
|
||||||
|
|
||||||
fn transfer<'w>(&mut self, words: &'w mut[u8]) -> Result<&'w [u8], Self::Error> {
|
fn transfer<'w>(&mut self, words: &'w mut[u8]) -> Result<&'w [u8], Self::Error> {
|
||||||
let mut dev = self.0.data.try_borrow_mut().map_err(|_| Error::GetRefMutDataError)?;
|
let mut dev = self.0.data.try_borrow_mut().map_err(|_| Error::GetRefMutDataError)?;
|
||||||
dev.select_chip(self.1).map_err(|_| Error::CSError)?;
|
dev.select_chip(self.1).map_err(|_| Error::CSError)?;
|
||||||
let result = dev.spi.transfer(words).map_err(Error::SPI)?;
|
let result = dev.spi.transfer(words).map_err(Error::SPI)?;
|
||||||
dev.select_chip(0).map_err(|_| Error::CSError)?;
|
dev.select_chip(0).map_err(|_| Error::CSError)?;
|
||||||
if self.2 {
|
if self.2 {
|
||||||
dev.issue_io_update().map_err(|_| Error::IOUpdateError)?;
|
dev.issue_io_update().map_err(|_| Error::IOUpdateError)?;
|
||||||
}
|
}
|
||||||
Ok(result)
|
Ok(result)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
||||||
553
src/urukul.rs
553
src/urukul.rs
|
|
@ -1,6 +1,6 @@
|
||||||
extern crate embedded_hal;
|
extern crate embedded_hal;
|
||||||
use embedded_hal::{
|
use embedded_hal::{
|
||||||
blocking::spi::Transfer,
|
blocking::spi::Transfer,
|
||||||
};
|
};
|
||||||
|
|
||||||
use crate::config_register::ConfigRegister;
|
use crate::config_register::ConfigRegister;
|
||||||
|
|
@ -10,329 +10,328 @@ use crate::attenuator::Attenuator;
|
||||||
use crate::dds::DDS;
|
use crate::dds::DDS;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Enum for structuring error
|
* Enum for structuring error
|
||||||
*/
|
*/
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub enum Error<E> {
|
pub enum Error<E> {
|
||||||
SPI(E),
|
SPI(E),
|
||||||
CSError,
|
CSError,
|
||||||
GetRefMutDataError,
|
GetRefMutDataError,
|
||||||
AttenuatorError,
|
AttenuatorError,
|
||||||
IOUpdateError,
|
IOUpdateError,
|
||||||
DDSError,
|
DDSError,
|
||||||
ConfigRegisterError,
|
ConfigRegisterError,
|
||||||
DDSCLKError,
|
DDSCLKError,
|
||||||
DDSRAMError,
|
DDSRAMError,
|
||||||
ParameterError,
|
ParameterError,
|
||||||
MqttTopicError,
|
MqttTopicError,
|
||||||
MqttCommandError,
|
MqttCommandError,
|
||||||
}
|
}
|
||||||
|
|
||||||
#[derive(Debug, Clone)]
|
#[derive(Debug, Clone)]
|
||||||
pub enum ClockSource {
|
pub enum ClockSource {
|
||||||
OSC,
|
OSC,
|
||||||
SMA,
|
SMA,
|
||||||
MMCX,
|
MMCX,
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Struct for Urukul master device
|
* Struct for Urukul master device
|
||||||
*/
|
*/
|
||||||
pub struct Urukul<SPI> {
|
pub struct Urukul<SPI> {
|
||||||
config_register: ConfigRegister<SPI>,
|
config_register: ConfigRegister<SPI>,
|
||||||
attenuator: Attenuator<SPI>,
|
attenuator: Attenuator<SPI>,
|
||||||
multi_dds: DDS<SPI>,
|
multi_dds: DDS<SPI>,
|
||||||
dds: [DDS<SPI>; 4],
|
dds: [DDS<SPI>; 4],
|
||||||
f_master_clk: f64,
|
f_master_clk: f64,
|
||||||
}
|
}
|
||||||
|
|
||||||
impl<SPI, E> Urukul<SPI>
|
impl<SPI, E> Urukul<SPI>
|
||||||
where
|
where
|
||||||
SPI: Transfer<u8, Error = E>,
|
SPI: Transfer<u8, Error = E>,
|
||||||
{
|
{
|
||||||
/*
|
/*
|
||||||
* Master constructor for the entire Urukul device
|
* Master constructor for the entire Urukul device
|
||||||
* Supply 7 SPI channels to Urukul and 4 reference clock frequencies
|
* Supply 7 SPI channels to Urukul and 4 reference clock frequencies
|
||||||
*/
|
*/
|
||||||
pub fn new(spi1: SPI, spi2: SPI, spi3: SPI, spi4: SPI, spi5: SPI, spi6: SPI, spi7: SPI) -> Self {
|
pub fn new(spi1: SPI, spi2: SPI, spi3: SPI, spi4: SPI, spi5: SPI, spi6: SPI, spi7: SPI) -> Self {
|
||||||
// Construct Urukul
|
// Construct Urukul
|
||||||
Urukul {
|
Urukul {
|
||||||
config_register: ConfigRegister::new(spi1),
|
config_register: ConfigRegister::new(spi1),
|
||||||
attenuator: Attenuator::new(spi2),
|
attenuator: Attenuator::new(spi2),
|
||||||
// Create a multi-channel DDS with predefined 25MHz clock
|
// Create a multi-channel DDS with predefined 25MHz clock
|
||||||
multi_dds: DDS::new(spi3, 25_000_000.0),
|
multi_dds: DDS::new(spi3, 25_000_000.0),
|
||||||
// Create 4 DDS instances with predefined 25MHz clock
|
// Create 4 DDS instances with predefined 25MHz clock
|
||||||
// Counter-intuitive to assign urukul clock before having a urukul
|
// Counter-intuitive to assign urukul clock before having a urukul
|
||||||
dds: [
|
dds: [
|
||||||
DDS::new(spi4, 25_000_000.0),
|
DDS::new(spi4, 25_000_000.0),
|
||||||
DDS::new(spi5, 25_000_000.0),
|
DDS::new(spi5, 25_000_000.0),
|
||||||
DDS::new(spi6, 25_000_000.0),
|
DDS::new(spi6, 25_000_000.0),
|
||||||
DDS::new(spi7, 25_000_000.0),
|
DDS::new(spi7, 25_000_000.0),
|
||||||
],
|
],
|
||||||
// Default clock selection: OSC, predefined 100MHz speed
|
// Default clock selection: OSC, predefined 100MHz speed
|
||||||
f_master_clk: 100_000_000.0,
|
f_master_clk: 100_000_000.0,
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Reset method. To be invoked by initialization and manual reset.
|
* Reset method. To be invoked by initialization and manual reset.
|
||||||
* Only Urukul struct provides reset method.
|
* Only Urukul struct provides reset method.
|
||||||
* DDS reset is controlled by Urukul (RST).
|
* DDS reset is controlled by Urukul (RST).
|
||||||
* Attenuators only have shift register reset, which does not affect its data
|
* Attenuators only have shift register reset, which does not affect its data
|
||||||
* CPLD only has a "all-zero" default state.
|
* CPLD only has a "all-zero" default state.
|
||||||
*/
|
*/
|
||||||
pub fn reset(&mut self) -> Result<(), Error<E>> {
|
pub fn reset(&mut self) -> Result<(), Error<E>> {
|
||||||
// Reset DDS and attenuators
|
// Reset DDS and attenuators
|
||||||
self.config_register.set_configurations(&mut [
|
self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::RST, 1),
|
(CFGMask::RST, 1),
|
||||||
(CFGMask::IO_RST, 1),
|
(CFGMask::IO_RST, 1),
|
||||||
(CFGMask::IO_UPDATE, 0)
|
(CFGMask::IO_UPDATE, 0)
|
||||||
])?;
|
])?;
|
||||||
// Set 0 to all fields on configuration register.
|
// Set 0 to all fields on configuration register.
|
||||||
self.config_register.set_configurations(&mut [
|
self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::RF_SW, 0),
|
(CFGMask::RF_SW, 0),
|
||||||
(CFGMask::LED, 0),
|
(CFGMask::LED, 0),
|
||||||
(CFGMask::PROFILE, 0),
|
(CFGMask::PROFILE, 0),
|
||||||
(CFGMask::IO_UPDATE, 0),
|
(CFGMask::IO_UPDATE, 0),
|
||||||
(CFGMask::MASK_NU, 0),
|
(CFGMask::MASK_NU, 0),
|
||||||
(CFGMask::CLK_SEL0, 0),
|
(CFGMask::CLK_SEL0, 0),
|
||||||
(CFGMask::SYNC_SEL, 0),
|
(CFGMask::SYNC_SEL, 0),
|
||||||
(CFGMask::RST, 0),
|
(CFGMask::RST, 0),
|
||||||
(CFGMask::IO_RST, 0),
|
(CFGMask::IO_RST, 0),
|
||||||
(CFGMask::CLK_SEL1, 0),
|
(CFGMask::CLK_SEL1, 0),
|
||||||
(CFGMask::DIV, 0),
|
(CFGMask::DIV, 0),
|
||||||
])?;
|
])?;
|
||||||
// Init all DDS chips. Configure SDIO as input only.
|
// Init all DDS chips. Configure SDIO as input only.
|
||||||
for chip_no in 0..4 {
|
for chip_no in 0..4 {
|
||||||
self.dds[chip_no].init()?;
|
self.dds[chip_no].init()?;
|
||||||
}
|
}
|
||||||
// Clock tree reset. OSC clock source by default
|
// Clock tree reset. OSC clock source by default
|
||||||
self.f_master_clk = 100_000_000.0;
|
self.f_master_clk = 100_000_000.0;
|
||||||
// CPLD divides clock frequency by 4 by default.
|
// CPLD divides clock frequency by 4 by default.
|
||||||
for chip_no in 0..4 {
|
for chip_no in 0..4 {
|
||||||
self.dds[chip_no].set_ref_clk_frequency(self.f_master_clk / 4.0)?;
|
self.dds[chip_no].set_ref_clk_frequency(self.f_master_clk / 4.0)?;
|
||||||
}
|
}
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Test method fo Urukul.
|
* Test method fo Urukul.
|
||||||
* Return the number of test failed.
|
* Return the number of test failed.
|
||||||
*/
|
*/
|
||||||
pub fn test(&mut self) -> Result<u32, Error<E>> {
|
pub fn test(&mut self) -> Result<u32, Error<E>> {
|
||||||
let mut count = self.config_register.test()?;
|
let mut count = self.config_register.test()?;
|
||||||
count += self.attenuator.test()?;
|
count += self.attenuator.test()?;
|
||||||
for chip_no in 0..4 {
|
for chip_no in 0..4 {
|
||||||
count += self.dds[chip_no].test()?;
|
count += self.dds[chip_no].test()?;
|
||||||
}
|
}
|
||||||
Ok(count)
|
Ok(count)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl<SPI, E> Urukul<SPI>
|
impl<SPI, E> Urukul<SPI>
|
||||||
where
|
where
|
||||||
SPI: Transfer<u8, Error = E>
|
SPI: Transfer<u8, Error = E>
|
||||||
{
|
{
|
||||||
|
|
||||||
pub fn get_channel_switch_status(&mut self, channel: u32) -> Result<bool, Error<E>> {
|
pub fn get_channel_switch_status(&mut self, channel: u32) -> Result<bool, Error<E>> {
|
||||||
if channel < 4 {
|
if channel < 4 {
|
||||||
self.config_register.get_status(StatusMask::RF_SW).map(|val| (val & (1 << channel)) != 0)
|
self.config_register.get_status(StatusMask::RF_SW).map(|val| (val & (1 << channel)) != 0)
|
||||||
} else {
|
} else {
|
||||||
Err(Error::ParameterError)
|
Err(Error::ParameterError)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_channel_switch(&mut self, channel: u32, status: bool) -> Result<(), Error<E>> {
|
pub fn set_channel_switch(&mut self, channel: u32, status: bool) -> Result<(), Error<E>> {
|
||||||
if channel < 4 {
|
if channel < 4 {
|
||||||
let prev = u32::from(self.config_register.get_status(StatusMask::RF_SW)?);
|
let prev = u32::from(self.config_register.get_status(StatusMask::RF_SW)?);
|
||||||
let next = {
|
let next = {
|
||||||
if status {
|
if status {
|
||||||
prev | (1 << channel)
|
prev | (1 << channel)
|
||||||
} else {
|
} else {
|
||||||
prev & (!(1 << channel))
|
prev & (!(1 << channel))
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
self.config_register.set_configurations(&mut [
|
self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::RF_SW, next),
|
(CFGMask::RF_SW, next),
|
||||||
]).map(|_| ())
|
]).map(|_| ())
|
||||||
} else {
|
} else {
|
||||||
Err(Error::ParameterError)
|
Err(Error::ParameterError)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_clock(&mut self, source: ClockSource, frequency: f64, division: u8) -> Result<(), Error<E>> {
|
pub fn set_clock(&mut self, source: ClockSource, frequency: f64, division: u8) -> Result<(), Error<E>> {
|
||||||
// Change clock source through configuration register
|
// Change clock source through configuration register
|
||||||
self.set_clock_source(source)?;
|
self.set_clock_source(source)?;
|
||||||
|
|
||||||
// Modify the master clock frequency
|
// Modify the master clock frequency
|
||||||
// Prevent redundunt call to change f_ref_clk
|
// Prevent redundunt call to change f_ref_clk
|
||||||
self.f_master_clk = frequency;
|
self.f_master_clk = frequency;
|
||||||
|
|
||||||
self.set_clock_division(division)
|
self.set_clock_division(division)
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_clock_source(&mut self, source: ClockSource) -> Result<(), Error<E>> {
|
pub fn set_clock_source(&mut self, source: ClockSource) -> Result<(), Error<E>> {
|
||||||
// Change clock source through configuration register
|
// Change clock source through configuration register
|
||||||
match source {
|
match source {
|
||||||
ClockSource::OSC => self.config_register.set_configurations(&mut [
|
ClockSource::OSC => self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::CLK_SEL0, 0),
|
(CFGMask::CLK_SEL0, 0),
|
||||||
(CFGMask::CLK_SEL1, 0),
|
(CFGMask::CLK_SEL1, 0),
|
||||||
]),
|
]),
|
||||||
ClockSource::MMCX => self.config_register.set_configurations(&mut [
|
ClockSource::MMCX => self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::CLK_SEL0, 0),
|
(CFGMask::CLK_SEL0, 0),
|
||||||
(CFGMask::CLK_SEL1, 1),
|
(CFGMask::CLK_SEL1, 1),
|
||||||
]),
|
]),
|
||||||
ClockSource::SMA => self.config_register.set_configurations(&mut [
|
ClockSource::SMA => self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::CLK_SEL0, 1),
|
(CFGMask::CLK_SEL0, 1),
|
||||||
]),
|
]),
|
||||||
}.map(|_| ())
|
}.map(|_| ())
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_clock_frequency(&mut self, frequency: f64) -> Result<(), Error<E>> {
|
pub fn set_clock_frequency(&mut self, frequency: f64) -> Result<(), Error<E>> {
|
||||||
// Update master clock frequency
|
// Update master clock frequency
|
||||||
self.f_master_clk = frequency;
|
self.f_master_clk = frequency;
|
||||||
|
|
||||||
// Update all DDS f_ref_clk
|
// Update all DDS f_ref_clk
|
||||||
self.set_dds_ref_clk()
|
self.set_dds_ref_clk()
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_clock_division(&mut self, division: u8) -> Result<(), Error<E>> {
|
pub fn set_clock_division(&mut self, division: u8) -> Result<(), Error<E>> {
|
||||||
match division {
|
match division {
|
||||||
1 => self.config_register.set_configurations(&mut [
|
1 => self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::DIV, 1),
|
(CFGMask::DIV, 1),
|
||||||
]),
|
]),
|
||||||
2 => self.config_register.set_configurations(&mut [
|
2 => self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::DIV, 2),
|
(CFGMask::DIV, 2),
|
||||||
]),
|
]),
|
||||||
4 => self.config_register.set_configurations(&mut [
|
4 => self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::DIV, 3),
|
(CFGMask::DIV, 3),
|
||||||
]),
|
]),
|
||||||
_ => Err(Error::ParameterError),
|
_ => Err(Error::ParameterError),
|
||||||
}?;
|
}?;
|
||||||
|
|
||||||
self.set_dds_ref_clk()
|
self.set_dds_ref_clk()
|
||||||
}
|
}
|
||||||
|
|
||||||
fn set_dds_ref_clk(&mut self) -> Result<(), Error<E>> {
|
fn set_dds_ref_clk(&mut self) -> Result<(), Error<E>> {
|
||||||
// Calculate reference clock frequency after clock division from configuration register
|
// Calculate reference clock frequency after clock division from configuration register
|
||||||
let f_ref_clk = self.f_master_clk / (self.get_master_clock_division() as f64);
|
let f_ref_clk = self.f_master_clk / (self.get_master_clock_division() as f64);
|
||||||
|
|
||||||
// Update all DDS chips on reference clock frequency
|
// Update all DDS chips on reference clock frequency
|
||||||
for dds_channel in 0..4 {
|
for dds_channel in 0..4 {
|
||||||
self.dds[dds_channel].set_ref_clk_frequency(f_ref_clk)?;
|
self.dds[dds_channel].set_ref_clk_frequency(f_ref_clk)?;
|
||||||
}
|
}
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
||||||
fn get_master_clock_division(&mut self) -> u8 {
|
fn get_master_clock_division(&mut self) -> u8 {
|
||||||
match self.config_register.get_configuration(CFGMask::DIV) {
|
match self.config_register.get_configuration(CFGMask::DIV) {
|
||||||
0 | 3 => 4,
|
0 | 3 => 4,
|
||||||
1 => 1,
|
1 => 1,
|
||||||
2 => 2,
|
2 => 2,
|
||||||
_ => panic!("Divisor out of range, when reading configuration register (CPLD)."),
|
_ => panic!("Divisor out of range, when reading configuration register (CPLD)."),
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_channel_attenuation(&mut self, channel: u8, attenuation: f32) -> Result<(), Error<E>> {
|
pub fn set_channel_attenuation(&mut self, channel: u8, attenuation: f32) -> Result<(), Error<E>> {
|
||||||
if channel >= 4 || attenuation < 0.0 || attenuation > 31.5 {
|
if channel >= 4 || attenuation < 0.0 || attenuation > 31.5 {
|
||||||
return Err(Error::ParameterError);
|
return Err(Error::ParameterError);
|
||||||
}
|
}
|
||||||
self.attenuator.set_channel_attenuation(channel, attenuation)
|
self.attenuator.set_channel_attenuation(channel, attenuation)
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_profile(&mut self, profile: u8) -> Result<(), Error<E>> {
|
pub fn set_profile(&mut self, profile: u8) -> Result<(), Error<E>> {
|
||||||
if profile >= 8 {
|
if profile >= 8 {
|
||||||
return Err(Error::ParameterError);
|
return Err(Error::ParameterError);
|
||||||
}
|
}
|
||||||
self.config_register.set_configurations(&mut [
|
self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::PROFILE, profile.into())
|
(CFGMask::PROFILE, profile.into())
|
||||||
]).map(|_| ())
|
]).map(|_| ())
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_channel_single_tone_profile(&mut self, channel: u8, profile: u8, frequency: f64, phase: f64, amplitude: f64) -> Result<(), Error<E>> {
|
pub fn set_channel_single_tone_profile(&mut self, channel: u8, profile: u8, frequency: f64, phase: f64, amplitude: f64) -> Result<(), Error<E>> {
|
||||||
if channel >= 4 || profile >= 8 || frequency < 0.0 || phase >= 360.0 ||
|
if channel >= 4 || profile >= 8 || frequency < 0.0 || phase >= 360.0 ||
|
||||||
phase < 0.0 || amplitude < 0.0 || amplitude > 1.0 {
|
phase < 0.0 || amplitude < 0.0 || amplitude > 1.0 {
|
||||||
return Err(Error::ParameterError);
|
return Err(Error::ParameterError);
|
||||||
}
|
}
|
||||||
self.dds[usize::from(channel)].set_single_tone_profile(profile, frequency, phase, amplitude)
|
self.dds[usize::from(channel)].set_single_tone_profile(profile, frequency, phase, amplitude)
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_channel_single_tone_profile_frequency(&mut self, channel: u8, profile: u8, frequency: f64)-> Result<(), Error<E>> {
|
pub fn set_channel_single_tone_profile_frequency(&mut self, channel: u8, profile: u8, frequency: f64)-> Result<(), Error<E>> {
|
||||||
if channel >= 4 || profile >= 8 || frequency < 0.0 {
|
if channel >= 4 || profile >= 8 || frequency < 0.0 {
|
||||||
return Err(Error::ParameterError);
|
return Err(Error::ParameterError);
|
||||||
}
|
}
|
||||||
self.dds[usize::from(channel)].set_single_tone_profile_frequency(profile, frequency)
|
self.dds[usize::from(channel)].set_single_tone_profile_frequency(profile, frequency)
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_channel_single_tone_profile_phase(&mut self, channel: u8, profile: u8, phase: f64)-> Result<(), Error<E>> {
|
pub fn set_channel_single_tone_profile_phase(&mut self, channel: u8, profile: u8, phase: f64)-> Result<(), Error<E>> {
|
||||||
if channel >= 4 || profile >= 8 || phase >= 360.0 || phase < 0.0 {
|
if channel >= 4 || profile >= 8 || phase >= 360.0 || phase < 0.0 {
|
||||||
return Err(Error::ParameterError);
|
return Err(Error::ParameterError);
|
||||||
}
|
}
|
||||||
self.dds[usize::from(channel)].set_single_tone_profile_phase(profile, phase)
|
self.dds[usize::from(channel)].set_single_tone_profile_phase(profile, phase)
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_channel_single_tone_profile_amplitude(&mut self, channel: u8, profile: u8, amplitude: f64)-> Result<(), Error<E>> {
|
pub fn set_channel_single_tone_profile_amplitude(&mut self, channel: u8, profile: u8, amplitude: f64)-> Result<(), Error<E>> {
|
||||||
if channel >= 4 || profile >= 8 || amplitude < 0.0 || amplitude > 1.0 {
|
if channel >= 4 || profile >= 8 || amplitude < 0.0 || amplitude > 1.0 {
|
||||||
return Err(Error::ParameterError);
|
return Err(Error::ParameterError);
|
||||||
}
|
}
|
||||||
self.dds[usize::from(channel)].set_single_tone_profile_amplitude(profile, amplitude)
|
self.dds[usize::from(channel)].set_single_tone_profile_amplitude(profile, amplitude)
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_channel_sys_clk(&mut self, channel: u8, f_sys_clk: f64) -> Result<(), Error<E>> {
|
pub fn set_channel_sys_clk(&mut self, channel: u8, f_sys_clk: f64) -> Result<(), Error<E>> {
|
||||||
self.dds[usize::from(channel)].set_sys_clk_frequency(f_sys_clk).map(|_| ())
|
self.dds[usize::from(channel)].set_sys_clk_frequency(f_sys_clk).map(|_| ())
|
||||||
}
|
}
|
||||||
|
|
||||||
// Multi-dds channel functions
|
// Multi-dds channel functions
|
||||||
// Do not allow reading of DDS registers
|
// Do not allow reading of DDS registers
|
||||||
// Make sure only 1 SPI transaction is compelted per function call
|
// Make sure only 1 SPI transaction is compelted per function call
|
||||||
|
|
||||||
// Setup NU_MASK in configuration register
|
// Setup NU_MASK in configuration register
|
||||||
// This selects the DDS channels that will be covered by multi_channel DDS (spi3)
|
// This selects the DDS channels that will be covered by multi_channel DDS (spi3)
|
||||||
// Note: If a channel is masked, io_update must be completed through configuration register (IO_UPDATE bit-field)
|
// Note: If a channel is masked, io_update must be completed through configuration register (IO_UPDATE bit-field)
|
||||||
// Implication: Deselect such channel if individual communication is needed.
|
// Implication: Deselect such channel if individual communication is needed.
|
||||||
pub fn set_multi_channel_coverage(&mut self, channel: u8) -> Result<(), Error<E>> {
|
pub fn set_multi_channel_coverage(&mut self, channel: u8) -> Result<(), Error<E>> {
|
||||||
self.config_register.set_configurations(&mut [
|
self.config_register.set_configurations(&mut [
|
||||||
(CFGMask::MASK_NU, channel.into())
|
(CFGMask::MASK_NU, channel.into())
|
||||||
]).map(|_| ())
|
]).map(|_| ())
|
||||||
}
|
}
|
||||||
|
|
||||||
// Difference from individual single tone setup function:
|
// Difference from individual single tone setup function:
|
||||||
// - Remove the need of passing channel
|
// - Remove the need of passing channel
|
||||||
// All selected channels must share the same f_sys_clk
|
// All selected channels must share the same f_sys_clk
|
||||||
pub fn set_multi_channel_single_tone_profile(&mut self, profile: u8, frequency: f64, phase: f64, amplitude: f64) -> Result<(), Error<E>> {
|
pub fn set_multi_channel_single_tone_profile(&mut self, profile: u8, frequency: f64, phase: f64, amplitude: f64) -> Result<(), Error<E>> {
|
||||||
if profile >= 8 || frequency < 0.0 || phase >= 360.0 ||
|
if profile >= 8 || frequency < 0.0 || phase >= 360.0 ||
|
||||||
phase < 0.0 || amplitude < 0.0 || amplitude > 1.0 {
|
phase < 0.0 || amplitude < 0.0 || amplitude > 1.0 {
|
||||||
return Err(Error::ParameterError);
|
return Err(Error::ParameterError);
|
||||||
}
|
}
|
||||||
// Check f_sys_clk of all selected channels
|
// Check f_sys_clk of all selected channels
|
||||||
let selected_channels = self.config_register.get_configuration(CFGMask::MASK_NU);
|
let selected_channels = self.config_register.get_configuration(CFGMask::MASK_NU);
|
||||||
let mut found_a_selected_channel = false;
|
let mut found_a_selected_channel = false;
|
||||||
let mut reported_f_sys_clk: f64 = 0.0;
|
let mut reported_f_sys_clk: f64 = 0.0;
|
||||||
for channel_bit in 0..4 {
|
for channel_bit in 0..4 {
|
||||||
if (selected_channels & (1 << (channel_bit as u8))) != 0 {
|
if (selected_channels & (1 << (channel_bit as u8))) != 0 {
|
||||||
if !found_a_selected_channel {
|
if !found_a_selected_channel {
|
||||||
found_a_selected_channel = true;
|
found_a_selected_channel = true;
|
||||||
reported_f_sys_clk = self.dds[channel_bit].get_f_sys_clk();
|
reported_f_sys_clk = self.dds[channel_bit].get_f_sys_clk();
|
||||||
} else if reported_f_sys_clk != self.dds[channel_bit].get_f_sys_clk() {
|
} else if reported_f_sys_clk != self.dds[channel_bit].get_f_sys_clk() {
|
||||||
return Err(Error::DDSError);
|
return Err(Error::DDSError);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
self.multi_dds.set_sys_clk_frequency(reported_f_sys_clk);
|
self.multi_dds.set_sys_clk_frequency(reported_f_sys_clk)?;
|
||||||
self.multi_dds.set_single_tone_profile(profile, frequency, phase, amplitude)?;
|
self.multi_dds.set_single_tone_profile(profile, frequency, phase, amplitude)?;
|
||||||
self.invoke_io_update()?;
|
self.invoke_io_update()?;
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
||||||
// Generate a pulse for io_update bit in configuration register
|
|
||||||
// This acts like io_update in CPLD struct, but for multi-dds channel
|
|
||||||
fn invoke_io_update(&mut self) -> Result<(), Error<E>> {
|
|
||||||
self.config_register.set_configurations(&mut [
|
|
||||||
(CFGMask::IO_UPDATE, 1)
|
|
||||||
])?;
|
|
||||||
self.config_register.set_configurations(&mut [
|
|
||||||
(CFGMask::IO_UPDATE, 0)
|
|
||||||
]).map(|_| ())
|
|
||||||
}
|
|
||||||
|
|
||||||
|
// Generate a pulse for io_update bit in configuration register
|
||||||
|
// This acts like io_update in CPLD struct, but for multi-dds channel
|
||||||
|
fn invoke_io_update(&mut self) -> Result<(), Error<E>> {
|
||||||
|
self.config_register.set_configurations(&mut [
|
||||||
|
(CFGMask::IO_UPDATE, 1)
|
||||||
|
])?;
|
||||||
|
self.config_register.set_configurations(&mut [
|
||||||
|
(CFGMask::IO_UPDATE, 0)
|
||||||
|
]).map(|_| ())
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue