main: functioning

This commit is contained in:
occheung 2020-09-24 17:32:53 +08:00
parent 4438032772
commit e17cc27cbb
9 changed files with 216 additions and 438 deletions

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@ -222,9 +222,10 @@ fn main() -> ! {
client.network_stack.update(time); client.network_stack.update(time);
} }
// Process MQTT messages about Urukul/Control
let connection = client let connection = client
.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); mqtt_mux.process_mqtt(topic, message);
}).is_ok(); }).is_ok();

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@ -1,7 +1,7 @@
use embedded_hal::blocking::spi::Transfer; use embedded_hal::blocking::spi::Transfer;
use core::assert; use core::assert;
use crate::Error; use crate::urukul::Error;
pub struct Attenuator<SPI> { pub struct Attenuator<SPI> {
spi: SPI, spi: SPI,

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@ -1,5 +1,5 @@
use embedded_hal::blocking::spi::Transfer; use embedded_hal::blocking::spi::Transfer;
use crate::Error; use crate::urukul::Error;
use core::mem::size_of; use core::mem::size_of;
// Bitmasks for CFG // Bitmasks for CFG

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@ -1,4 +1,4 @@
use crate::Error; use crate::urukul::Error;
use crate::spi_slave::Parts; use crate::spi_slave::Parts;
use embedded_hal::{ use embedded_hal::{

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@ -1,5 +1,5 @@
use embedded_hal::blocking::spi::Transfer; use embedded_hal::blocking::spi::Transfer;
use crate::Error; use crate::urukul::Error;
use core::mem::size_of; use core::mem::size_of;
use core::convert::TryInto; use core::convert::TryInto;
use heapless::Vec; use heapless::Vec;

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@ -1,300 +0,0 @@
#![no_std]
#![feature(str_strip)]
extern crate embedded_hal;
use embedded_hal::{
blocking::spi::Transfer,
};
#[macro_use]
pub mod bitmask_macro;
pub mod spi_slave;
pub mod cpld;
pub mod config_register;
use crate::config_register::ConfigRegister;
use crate::config_register::CFGMask;
use crate::config_register::StatusMask;
pub mod attenuator;
use crate::attenuator::Attenuator;
pub mod dds;
use crate::dds::DDS;
// pub mod scpi;
// pub mod translation;
pub mod nal_tcp_client;
pub mod flash;
pub mod mqtt_mux;
/*
* Enum for structuring error
*/
#[derive(Debug)]
pub enum Error<E> {
SPI(E),
CSError,
GetRefMutDataError,
AttenuatorError,
IOUpdateError,
DDSError,
ConfigRegisterError,
DDSCLKError,
DDSRAMError,
ParameterError,
MqttTopicError,
MqttCommandError,
}
#[derive(Debug, Clone)]
pub enum ClockSource {
OSC,
SMA,
MMCX,
}
/*
* Struct for Urukul master device
*/
pub struct Urukul<SPI> {
config_register: ConfigRegister<SPI>,
attenuator: Attenuator<SPI>,
dds: [DDS<SPI>; 4],
f_master_clk: f64,
}
impl<SPI, E> Urukul<SPI>
where
SPI: Transfer<u8, Error = E>,
{
/*
* Master constructor for the entire Urukul device
* 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 {
// Construct Urukul
Urukul {
config_register: ConfigRegister::new(spi1),
attenuator: Attenuator::new(spi2),
// Create 4 DDS instances with fixed 25MHz clock
// Counter-intuitive to assign urukul clock before having a urukul
dds: [
DDS::new(spi4, 25_000_000.0),
DDS::new(spi5, 25_000_000.0),
DDS::new(spi6, 25_000_000.0),
DDS::new(spi7, 25_000_000.0),
],
// Default clock selection: OSC, fixed 100MHz speed
f_master_clk: 100_000_000.0,
}
}
/*
* Reset method. To be invoked by initialization and manual reset.
* Only Urukul struct provides reset method.
* DDS reset is controlled by Urukul (RST).
* Attenuators only have shift register reset, which does not affect its data
* CPLD only has a "all-zero" default state.
*/
pub fn reset(&mut self) -> Result<(), Error<E>> {
// Reset DDS and attenuators
self.config_register.set_configurations(&mut [
(CFGMask::RST, 1),
(CFGMask::IO_RST, 1),
(CFGMask::IO_UPDATE, 0)
])?;
// Set 0 to all fields on configuration register.
self.config_register.set_configurations(&mut [
(CFGMask::RF_SW, 0),
(CFGMask::LED, 0),
(CFGMask::PROFILE, 0),
(CFGMask::IO_UPDATE, 0),
(CFGMask::MASK_NU, 0),
(CFGMask::CLK_SEL0, 0),
(CFGMask::SYNC_SEL, 0),
(CFGMask::RST, 0),
(CFGMask::IO_RST, 0),
(CFGMask::CLK_SEL1, 0),
(CFGMask::DIV, 0),
])?;
// Init all DDS chips. Configure SDIO as input only.
for chip_no in 0..4 {
self.dds[chip_no].init()?;
}
// Clock tree reset. OSC clock source by default
self.f_master_clk = 100_000_000.0;
// CPLD divides clock frequency by 4 by default.
for chip_no in 0..4 {
self.dds[chip_no].set_ref_clk_frequency(self.f_master_clk / 4.0)?;
}
Ok(())
}
/*
* Test method fo Urukul.
* Return the number of test failed.
*/
pub fn test(&mut self) -> Result<u32, Error<E>> {
let mut count = self.config_register.test()?;
count += self.attenuator.test()?;
for chip_no in 0..4 {
count += self.dds[chip_no].test()?;
}
Ok(count)
}
}
impl<SPI, E> Urukul<SPI>
where
SPI: Transfer<u8, Error = E>
{
fn get_channel_switch_status(&mut self, channel: u32) -> Result<bool, Error<E>> {
if channel < 4 {
self.config_register.get_status(StatusMask::RF_SW).map(|val| (val & (1 << channel)) != 0)
} else {
Err(Error::ParameterError)
}
}
fn set_channel_switch(&mut self, channel: u32, status: bool) -> Result<(), Error<E>> {
if channel < 4 {
let prev = u32::from(self.config_register.get_status(StatusMask::RF_SW)?);
let next = {
if status {
prev | (1 << channel)
} else {
prev & (!(1 << channel))
}
};
self.config_register.set_configurations(&mut [
(CFGMask::RF_SW, next),
]).map(|_| ())
} else {
Err(Error::ParameterError)
}
}
fn set_clock(&mut self, source: ClockSource, frequency: f64, division: u8) -> Result<(), Error<E>> {
// Change clock source through configuration register
self.set_clock_source(source)?;
// Modify the master clock frequency
// Prevent redundunt call to change f_ref_clk
self.f_master_clk = frequency;
self.set_clock_division(division)
}
fn set_clock_source(&mut self, source: ClockSource) -> Result<(), Error<E>> {
// Change clock source through configuration register
match source {
ClockSource::OSC => self.config_register.set_configurations(&mut [
(CFGMask::CLK_SEL0, 0),
(CFGMask::CLK_SEL1, 0),
]),
ClockSource::MMCX => self.config_register.set_configurations(&mut [
(CFGMask::CLK_SEL0, 0),
(CFGMask::CLK_SEL1, 1),
]),
ClockSource::SMA => self.config_register.set_configurations(&mut [
(CFGMask::CLK_SEL0, 1),
]),
}.map(|_| ())
}
fn set_clock_frequency(&mut self, frequency: f64) -> Result<(), Error<E>> {
// Update master clock frequency
self.f_master_clk = frequency;
// Update all DDS f_ref_clk
self.set_dds_ref_clk()
}
fn set_clock_division(&mut self, division: u8) -> Result<(), Error<E>> {
match division {
1 => self.config_register.set_configurations(&mut [
(CFGMask::DIV, 1),
]),
2 => self.config_register.set_configurations(&mut [
(CFGMask::DIV, 2),
]),
4 => self.config_register.set_configurations(&mut [
(CFGMask::DIV, 3),
]),
_ => Err(Error::ParameterError),
}?;
self.set_dds_ref_clk()
}
fn set_dds_ref_clk(&mut self) -> Result<(), Error<E>> {
// 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);
// Update all DDS chips on reference clock frequency
for dds_channel in 0..4 {
self.dds[dds_channel].set_ref_clk_frequency(f_ref_clk)?;
}
Ok(())
}
fn get_master_clock_division(&mut self) -> u8 {
match self.config_register.get_configuration(CFGMask::DIV) {
0 | 3 => 4,
1 => 1,
2 => 2,
_ => panic!("Divisor out of range, when reading configuration register (CPLD)."),
}
}
fn set_channel_attenuation(&mut self, channel: u8, attenuation: f32) -> Result<(), Error<E>> {
if channel >= 4 || attenuation < 0.0 || attenuation > 31.5 {
return Err(Error::ParameterError);
}
self.attenuator.set_channel_attenuation(channel, attenuation)
}
fn set_profile(&mut self, profile: u8) -> Result<(), Error<E>> {
if profile >= 8 {
return Err(Error::ParameterError);
}
self.config_register.set_configurations(&mut [
(CFGMask::PROFILE, profile.into())
]).map(|_| ())
}
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 ||
phase < 0.0 || amplitude < 0.0 || amplitude > 1.0 {
return Err(Error::ParameterError);
}
self.dds[usize::from(channel)].set_single_tone_profile(profile, frequency, phase, amplitude)
}
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 {
return Err(Error::ParameterError);
}
self.dds[usize::from(channel)].set_single_tone_profile_frequency(profile, frequency)
}
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 {
return Err(Error::ParameterError);
}
self.dds[usize::from(channel)].set_single_tone_profile_phase(profile, phase)
}
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 {
return Err(Error::ParameterError);
}
self.dds[usize::from(channel)].set_single_tone_profile_amplitude(profile, amplitude)
}
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)
}
}

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@ -1,46 +1,89 @@
#![no_main] #![no_main]
#![no_std] #![no_std]
#![feature(str_strip)]
#[macro_use] use log::{ trace, debug, info, warn };
extern crate log; use stm32h7xx_hal::hal::digital::v2::InputPin;
use stm32h7xx_hal::gpio::Speed;
use log::{trace, debug, info, warn};
use stm32h7xx_hal::hal::digital::v2::{
InputPin,
OutputPin,
};
use stm32h7xx_hal::{pac, prelude::*, spi}; use stm32h7xx_hal::{pac, prelude::*, spi};
use stm32h7xx_hal::ethernet;
use smoltcp as net;
use minimq::{
embedded_nal::{IpAddr, Ipv4Addr, TcpStack},
MqttClient, QoS
};
use cortex_m; use cortex_m;
use cortex_m_rt::entry; use cortex_m_rt::entry;
use rtic::cyccnt::{Instant, U32Ext};
use firmware; use heapless::Vec;
use firmware::{ use heapless::consts;
attenuator::Attenuator,
config_register::{ #[macro_use]
ConfigRegister, pub mod bitmask_macro;
CFGMask, pub mod spi_slave;
StatusMask, pub mod cpld;
}, use crate::cpld::CPLD;
dds::{ pub mod config_register;
DDS, pub mod attenuator;
DDSCFRMask, pub mod dds;
}, pub mod nal_tcp_client;
cpld::{ use crate::nal_tcp_client::{ NetStorage, NetworkStack };
CPLD, pub mod flash;
} use crate::flash::flash_ice40_fpga;
}; pub mod mqtt_mux;
use crate::mqtt_mux::MqttMux;
pub mod urukul;
use crate::urukul::Urukul;
#[path = "../examples/util/logger.rs"] #[path = "../examples/util/logger.rs"]
mod logger; mod logger;
static mut NET_STORE: NetStorage = NetStorage {
// Placeholder for the real IP address, which is initialized at runtime.
ip_addrs: [net::wire::IpCidr::Ipv6(
net::wire::Ipv6Cidr::SOLICITED_NODE_PREFIX,
)],
neighbor_cache: [None; 8],
routes_cache: [None; 8],
};
#[link_section = ".sram3.eth"]
static mut DES_RING: ethernet::DesRing = ethernet::DesRing::new();
macro_rules! add_socket {
($sockets:ident, $tx_storage:ident, $rx_storage:ident) => {
let mut $rx_storage = [0; 4096];
let mut $tx_storage = [0; 4096];
let tcp_socket = {
let tx_buffer = net::socket::TcpSocketBuffer::new(&mut $tx_storage[..]);
let rx_buffer = net::socket::TcpSocketBuffer::new(&mut $rx_storage[..]);
net::socket::TcpSocket::new(tx_buffer, rx_buffer)
};
let _handle = $sockets.add(tcp_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();
cp.DWT.enable_cycle_counter();
// Enable SRAM3 for the descriptor ring.
dp.RCC.ahb2enr.modify(|_, w| w.sram3en().set_bit());
// Reset RCC clock
dp.RCC.rsr.write(|w| w.rmvf().set_bit());
cp.SCB.invalidate_icache();
cp.SCB.enable_icache();
let pwr = dp.PWR.constrain(); let pwr = dp.PWR.constrain();
let vos = pwr.freeze(); let vos = pwr.freeze();
@ -48,6 +91,7 @@ fn main() -> ! {
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())
.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);
@ -65,29 +109,88 @@ fn main() -> ! {
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);
// Setup CDONE for checking trace!("Flashing configuration bitstream to iCE40 HX8K on Humpback.");
delay.delay_ms(1000_u16);
// Using SPI_1 alternate functions (af5)
let fpga_sck = gpiob.pb3.into_alternate_af5();
let fpga_sdo = gpiob.pb4.into_alternate_af5();
let fpga_sdi = gpiob.pb5.into_alternate_af5();
// Setup SPI_SS_B and CRESET_B
let fpga_ss = gpioa.pa4.into_push_pull_output();
let fpga_creset = gpiof.pf3.into_open_drain_output();
// Setup CDONE
let fpga_cdone = gpiod.pd15.into_pull_up_input(); let fpga_cdone = gpiod.pd15.into_pull_up_input();
match fpga_cdone.is_high() { // Setup SPI interface
Ok(true) => info!("FPGA is ready."), let fpga_cfg_spi = dp.SPI1.spi(
Ok(_) => info!("FPGA is in reset state."), (fpga_sck, fpga_sdo, fpga_sdi),
Err(_) => info!("Error: Cannot read C_DONE"), spi::MODE_3,
}; 12.mhz(),
ccdr.peripheral.SPI1,
&ccdr.clocks,
);
flash_ice40_fpga(fpga_cfg_spi, fpga_ss, fpga_creset, fpga_cdone, delay).unwrap();
// Configure ethernet IO
{
let _rmii_refclk = gpioa.pa1.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_mdio = gpioa.pa2.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_mdc = gpioc.pc1.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_crs_dv = gpioa.pa7.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_rxd0 = gpioc.pc4.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_rxd1 = gpioc.pc5.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_tx_en = gpiog.pg11.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_txd0 = gpiog.pg13.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_txd1 = gpiob.pb13.into_alternate_af11().set_speed(Speed::VeryHigh);
}
// Configure ethernet
let mac_addr = net::wire::EthernetAddress([0xAC, 0x6F, 0x7A, 0xDE, 0xD6, 0xC8]);
let (eth_dma, mut eth_mac) = unsafe {
ethernet::new_unchecked(
dp.ETHERNET_MAC,
dp.ETHERNET_MTL,
dp.ETHERNET_DMA,
&mut DES_RING,
mac_addr.clone(),
)
};
unsafe { ethernet::enable_interrupt() }
let store = unsafe { &mut NET_STORE };
store.ip_addrs[0] = net::wire::IpCidr::new(net::wire::IpAddress::v4(192, 168, 1, 200), 24);
let neighbor_cache = net::iface::NeighborCache::new(&mut store.neighbor_cache[..]);
let mut routes = net::iface::Routes::new(&mut store.routes_cache[..]);
let default_v4_gw = net::wire::Ipv4Address::new(192, 168, 1, 1);
routes.add_default_ipv4_route(default_v4_gw).unwrap();
let mut net_interface = net::iface::EthernetInterfaceBuilder::new(eth_dma)
.ethernet_addr(mac_addr)
.neighbor_cache(neighbor_cache)
.ip_addrs(&mut store.ip_addrs[..])
.routes(routes)
.finalize();
/* /*
* Using SPI1, AF5 * Using SPI6
* SCLK -> PA5 * SCLK -> PA5 (af8)
* MOSI -> PB5 * MOSI -> PG14 (af5)
* MISO -> PA6 * 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_af5(); let mosi = gpiog.pg14.into_alternate_af5().set_speed(Speed::VeryHigh);
let mosi = gpiob.pb5.into_alternate_af5(); let miso = gpioa.pa6.into_alternate_af8().set_speed(Speed::VeryHigh);
let miso = gpioa.pa6.into_alternate_af5();
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(),
@ -99,112 +202,86 @@ fn main() -> ! {
*/ */
let io_update = gpiob.pb15.into_push_pull_output(); let io_update = gpiob.pb15.into_push_pull_output();
let spi = dp.SPI1.spi( let spi = dp.SPI6.spi(
(sclk, miso, mosi), (sclk, miso, mosi),
spi::MODE_0, spi::MODE_0,
3.mhz(), 2.mhz(),
ccdr.peripheral.SPI1, 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 config = ConfigRegister::new(parts.spi1); let mut urukul = Urukul::new(
let mut att = Attenuator::new(parts.spi2); parts.spi1, parts.spi2, parts.spi3, parts.spi4, parts.spi5, parts.spi6, parts.spi7
let mut dds0 = DDS::new(parts.spi4, 25_000_000.0); );
// Reset all DDS, set CLK_SEL to 0 urukul.reset().unwrap();
config.set_configurations(&mut [ info!("Test value: {}", urukul.test().unwrap());
(CFGMask::RST, 1),
(CFGMask::IO_RST, 1),
(CFGMask::IO_UPDATE, 0)
]).unwrap();
config.set_configurations(&mut [ let mut mqtt_mux = MqttMux::new(urukul);
(CFGMask::IO_RST, 0),
(CFGMask::RST, 0),
(CFGMask::RF_SW, 13),
(CFGMask::DIV, 3)
]).unwrap();
dds0.init().unwrap(); // Time unit in ms
let mut time: u32 = 0;
dds0.set_configurations(&mut [ // Cycle counter for 1 ms
(DDSCFRMask::PDCLK_ENABLE, 0), // This effectively provides a conversion from rtic unit to ms
(DDSCFRMask::READ_EFFECTIVE_FTW, 1), let mut next_ms = Instant::now();
]).unwrap(); next_ms += 400_000.cycles();
dds0.set_sys_clk_frequency(1_000_000_000.0).unwrap(); let mut socket_set_entries: [_; 8] = Default::default();
let mut sockets = net::socket::SocketSet::new(&mut socket_set_entries[..]);
add_socket!(sockets, rx_storage, tx_storage);
// Attenuator let tcp_stack = NetworkStack::new(&mut net_interface, sockets);
att.set_attenuation([
5.0, 31.5, 24.0, 0.0
]).unwrap();
dds0.set_single_tone_profile(1, 10_000_000.0, 0.0, 0.5).unwrap(); // Case dealt: Ethernet connection break down, neither side has timeout
config.set_configurations(&mut [ // Limitation: Timeout inequality will cause TCP socket state to desync
(CFGMask::PROFILE, 1), // Probably fixed in latest smoltcp commit
]).unwrap(); let mut client = MqttClient::<consts::U256, _>::new(
IpAddr::V4(Ipv4Addr::new(192, 168, 1, 125)),
"Nucleo",
tcp_stack,
)
.unwrap();
// // Setup RAM configuration let mut tick = false;
// dds0.set_configurations(&mut [ let mut has_subscribed = false;
// (DDSCFRMask::RAM_ENABLE, 1),
// (DDSCFRMask::RAM_PLAYBACK_DST, 2),
// ]).unwrap();
// // Configure RAM profile 0 loop {
// dds0.write_register(0x0E, &mut [ // Update time accumulator in ms
// 0x00, // Open // Tick once every ms
// 0x09, 0xC4, // Address step rate (2500) if Instant::now() > next_ms {
// 0xFF, 0xC0, // End at address 1023 tick = true;
// 0x00, 0x00, // Start at address 0 time += 1;
// 0x04, // Recirculate mode next_ms += 400_000.cycles();
// ]).unwrap(); }
// debug!("{:#X?}", dds0.read_register(0x0E, &mut[ // eth Poll if necessary
// 0x00, 0x00, 0x00, 0x00, // Do not poll if eth link is down
// 0x00, 0x00, 0x00, 0x00, if tick && client.network_stack.update_delay(time) == 0 && eth_mac.phy_poll_link() {
// ]).unwrap()); client.network_stack.update(time);
}
// // Choose profile 0 // Process MQTT messages about Urukul/Control
// config.set_configurations(&mut [ let connection = client
// (CFGMask::PROFILE, 0), .poll(|_client, topic, message, _properties| {
// ]).unwrap(); info!("On {:?}, received: {:?}", topic, message);
// Why is topic a string while message is a slice?
mqtt_mux.process_mqtt(topic, message);
}).is_ok();
// // Set RAM to be amplitudes, disable RAM momentarily if connection && !has_subscribed && tick {
// dds0.set_configurations(&mut [ match client.subscribe("Urukul/Control/#", &[]) {
// (DDSCFRMask::RAM_PLAYBACK_DST, 0), Ok(()) => has_subscribed = true,
// (DDSCFRMask::RAM_ENABLE, 0), Err(minimq::Error::NotReady) => {},
// ]).unwrap(); e => warn!("{:?}", e),
};
}
// let mut ram_data: [u8; ((1024 * 4) + 1)] = [0; (1024 * 4) + 1]; // Reset tick flag
// ram_data[0] = 0x16; tick = false;
// for index in 0..1024 { }
// if index % 2 == 1 {
// ram_data[(index * 4) + 1] = 0x3F;
// ram_data[(index * 4) + 2] = 0xFF;
// } else {
// ram_data[(index * 4) + 1] = 0x00;
// ram_data[(index * 4) + 2] = 0x00;
// }
// // ram_data[(index * 4) + 1] = ((index >> 2) & 0xFF) as u8;
// // ram_data[(index * 4) + 2] = ((index & 0x03) << 6) as u8;
// }
// dds0.transfer(&mut ram_data).unwrap();
// config.set_configurations(&mut [
// (CFGMask::PROFILE, 1),
// ]).unwrap();
// config.set_configurations(&mut [
// (CFGMask::PROFILE, 0),
// ]).unwrap();
// dds0.set_configurations(&mut [
// (DDSCFRMask::RAM_ENABLE, 1),
// ]).unwrap();
loop {}
} }

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@ -10,9 +10,9 @@ use nom::number::complete::{float, double};
use embedded_hal::blocking::spi::Transfer; use embedded_hal::blocking::spi::Transfer;
use core::convert::TryInto; use core::convert::TryInto;
use crate::ClockSource as UrukulClockSource; use crate::urukul::ClockSource as UrukulClockSource;
use crate::Urukul; use crate::urukul::Urukul;
use crate::Error; use crate::urukul::Error;
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
pub enum MqttTopic { pub enum MqttTopic {

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@ -3,7 +3,7 @@ use embedded_hal::{
digital::v2::OutputPin, digital::v2::OutputPin,
}; };
use crate::cpld::CPLD; use crate::cpld::CPLD;
use crate::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