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Updating API

This commit is contained in:
Ryan Summers 2020-12-07 17:29:36 +01:00
parent bdd3322dcb
commit fc81c8b5d8
7 changed files with 91 additions and 158 deletions
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2
Cargo.lock generated
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@ -517,7 +517,7 @@ dependencies = [
[[package]]
name = "stm32h7xx-hal"
version = "0.8.0"
source = "git+https://github.com/stm32-rs/stm32h7xx-hal?branch=dma#0bfeeca4ce120c1b7c6d140a7da73a4372b874d8"
source = "git+https://github.com/quartiq/stm32h7xx-hal?branch=feature/number-of-transfers#e70a78788e74be5281321213b53e8cd1d213550e"
dependencies = [
"bare-metal 1.0.0",
"cast",

4
Cargo.toml
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@ -53,8 +53,8 @@ default-features = false
[dependencies.stm32h7xx-hal]
features = ["stm32h743v", "rt", "unproven", "ethernet", "quadspi"]
git = "https://github.com/stm32-rs/stm32h7xx-hal"
branch = "dma"
git = "https://github.com/quartiq/stm32h7xx-hal"
branch = "feature/number-of-transfers"
[features]
semihosting = ["panic-semihosting", "cortex-m-log/semihosting"]

2
src/adc.rs
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@ -195,7 +195,7 @@ macro_rules! adc_input {
// Start the next transfer.
self.transfer.clear_interrupts();
let (prev_buffer, _) =
let (prev_buffer, _, _) =
self.transfer.next_transfer(next_buffer).unwrap();
self.next_buffer.replace(prev_buffer); // .unwrap_none() https://github.com/rust-lang/rust/issues/62633

2
src/dac.rs
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@ -143,7 +143,7 @@ macro_rules! dac_output {
// Start the next transfer.
self.transfer.clear_interrupts();
let (prev_buffer, _) =
let (prev_buffer, _, _) =
self.transfer.next_transfer(next_buffer).unwrap();
// .unwrap_none() https://github.com/rust-lang/rust/issues/62633

12
src/digital_input_stamper.rs
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@ -13,8 +13,8 @@ pub struct InputStamper {
timestamp_buffer: heapless::Vec<u16, heapless::consts::U128>,
next_buffer: Option<&'static mut [u16; INPUT_BUFFER_SIZE]>,
transfer: Transfer<
hal::dma::dma::Stream4<hal::stm32::DMA1>,
sampling_timer::Timer2Channel4,
hal::dma::dma::Stream6<hal::stm32::DMA1>,
sampling_timer::tim2::Channel4InputCapture,
PeripheralToMemory,
&'static mut [u16; INPUT_BUFFER_SIZE],
>,
@ -23,13 +23,13 @@ pub struct InputStamper {
impl InputStamper {
pub fn new(
trigger: hal::gpio::gpioa::PA3<hal::gpio::Alternate<hal::gpio::AF1>>,
stream: hal::dma::dma::Stream4<hal::stm32::DMA1>,
timer_channel: sampling_timer::Timer2Channel4,
stream: hal::dma::dma::Stream6<hal::stm32::DMA1>,
timer_channel: sampling_timer::tim2::Channel4,
) -> Self {
// Utilize the TIM2 CH4 as an input capture channel - use TI4 (the DI0 input trigger) as the
// capture source.
timer_channel.listen_dma();
timer_channel.to_input_capture(sampling_timer::CC4S_A::TI4);
let input_capture = timer_channel.to_input_capture(sampling_timer::tim2::CC4S_A::TI4);
// Set up the DMA transfer.
let dma_config = DmaConfig::default()
@ -39,7 +39,7 @@ impl InputStamper {
let mut timestamp_transfer: Transfer<_, _, PeripheralToMemory, _> =
Transfer::init(
stream,
timer_channel,
input_capture,
unsafe { &mut BUF0 },
None,
dma_config,

93
src/main.rs
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@ -70,9 +70,7 @@ mod adc;
mod afe;
mod dac;
mod digital_input_stamper;
mod eeprom;
mod hrtimer;
mod iir;
mod design_parameters;
mod eeprom;
mod pounder;
@ -775,7 +773,7 @@ const APP: () = {
let trigger = gpioa.pa3.into_alternate_af1();
digital_input_stamper::InputStamper::new(
trigger,
dma_streams.4,
dma_streams.6,
sampling_timer_channels.ch4,
)
};
@ -796,14 +794,12 @@ const APP: () = {
net_interface: network_interface,
eth_mac,
mac_addr,
profiles: heapless::spsc::Queue::new(),
}
}
#[task(binds=DMA1_STR4, resources=[input_stamper], priority = 2)]
#[task(binds=DMA1_STR6, resources=[input_stamper], priority = 2)]
fn digital_stamper(c: digital_stamper::Context) {
let _timestamps = c.resources.input_stamper.transfer_complete_handler();
panic!("Timestamp overflow")
}
#[task(binds=DMA1_STR3, resources=[adcs, dacs, iir_state, iir_ch], priority=2)]
@ -911,44 +907,7 @@ const APP: () = {
Ok::<server::Status, ()>(state)
}),
"stabilizer/afe0/gain": (|| c.resources.afes.0.get_gain()),
"stabilizer/afe1/gain": (|| c.resources.afes.1.get_gain()),
"pounder/in0": (|| {
match c.resources.pounder {
Some(pounder) =>
pounder.get_input_channel_state(pounder::Channel::In0),
_ => Err(pounder::Error::Access),
}
}),
"pounder/in1": (|| {
match c.resources.pounder {
Some(pounder) =>
pounder.get_input_channel_state(pounder::Channel::In1),
_ => Err(pounder::Error::Access),
}
}),
"pounder/out0": (|| {
match c.resources.pounder {
Some(pounder) =>
pounder.get_output_channel_state(pounder::Channel::Out0),
_ => Err(pounder::Error::Access),
}
}),
"pounder/out1": (|| {
match c.resources.pounder {
Some(pounder) =>
pounder.get_output_channel_state(pounder::Channel::Out1),
_ => Err(pounder::Error::Access),
}
}),
>>>>>>> master
"pounder/dds/clock": (|| {
c.resources.pounder.lock(|pounder| {
match pounder {
Some(pounder) => pounder.get_dds_clock_config(),
_ => Err(pounder::Error::Access),
}
})
})
"stabilizer/afe1/gain": (|| c.resources.afes.1.get_gain())
],
modifiable_attributes: [
@ -996,50 +955,6 @@ const APP: () = {
Ok::<server::IirRequest, ()>(req)
})
}),
"pounder/in0": pounder::ChannelState, (|state| {
c.resources.pounder.lock(|pounder| {
match pounder {
Some(pounder) =>
pounder.set_channel_state(pounder::Channel::In0, state),
_ => Err(pounder::Error::Access),
}
})
}),
"pounder/in1": pounder::ChannelState, (|state| {
c.resources.pounder.lock(|pounder| {
match pounder {
Some(pounder) =>
pounder.set_channel_state(pounder::Channel::In1, state),
_ => Err(pounder::Error::Access),
}
})
}),
"pounder/out0": pounder::ChannelState, (|state| {
c.resources.pounder.lock(|pounder| {
match pounder {
Some(pounder) =>
pounder.set_channel_state(pounder::Channel::Out0, state),
_ => Err(pounder::Error::Access),
}
})
}),
"pounder/out1": pounder::ChannelState, (|state| {
c.resources.pounder.lock(|pounder| {
match pounder {
Some(pounder) =>
pounder.set_channel_state(pounder::Channel::Out1, state),
_ => Err(pounder::Error::Access),
}
})
}),
"pounder/dds/clock": pounder::DdsClockConfig, (|config| {
c.resources.pounder.lock(|pounder| {
match pounder {
Some(pounder) => pounder.configure_dds_clock(config),
_ => Err(pounder::Error::Access),
}
})
}),
"stabilizer/afe0/gain": afe::Gain, (|gain| {
c.resources.afes.0.set_gain(gain);
Ok::<(), ()>(())

130
src/sampling_timer.rs
View File

@ -1,6 +1,5 @@
///! The sampling timer is used for managing ADC sampling and external reference timestamping.
use super::hal;
pub use hal::stm32::tim2::ccmr2_input::CC4S_A;
/// The timer used for managing ADC sampling.
pub struct SamplingTimer {
@ -36,44 +35,16 @@ impl SamplingTimer {
}
}
macro_rules! timer_channel {
($name:ident, $TY:ty, ($ccxde:expr, $ccrx:expr, $ccmrx_output:expr, $ccxs:expr)) => {
pub struct $name {}
macro_rules! timer_channels {
($TY:ty) => {
paste::paste! {
impl $name {
/// Construct a new timer channel.
///
/// Note(unsafe): This function must only be called once. Once constructed, the
/// constructee guarantees to never modify the timer channel.
unsafe fn new() -> Self {
Self {}
}
pub mod [< $TY:lower >] {
pub use hal::stm32::[< $TY:lower >]::ccmr1_input::{CC1S_A, CC2S_A};
pub use hal::stm32::[< $TY:lower >]::ccmr2_input::{CC3S_A, CC4S_A};
/// Allow CH4 to generate DMA requests.
pub fn listen_dma(&self) {
let regs = unsafe { &*<$TY>::ptr() };
regs.dier.modify(|_, w| w.[< $ccxde >]().set_bit());
}
/// Operate CH2 as an output-compare.
///
/// # Args
/// * `value` - The value to compare the sampling timer's counter against.
pub fn to_output_compare(&self, value: u32) {
let regs = unsafe { &*<$TY>::ptr() };
assert!(value <= regs.arr.read().bits());
regs.[< $ccrx >].write(|w| w.ccr().bits(value));
regs.[< $ccmrx_output >]()
.modify(|_, w| unsafe { w.[< $ccxs >]().bits(0) });
}
}
}
};
}
pub mod tim2 {
use stm32h7xx_hal as hal;
use hal::dma::{traits::TargetAddress, PeripheralToMemory, dma::DMAReq};
use hal::stm32::TIM2;
/// The channels representing the timer.
pub struct Channels {
@ -97,24 +68,71 @@ pub mod tim2 {
}
}
timer_channel!(
Channel1,
hal::stm32::TIM2,
(cc1de, ccr1, ccmr1_output, cc1s)
);
timer_channel!(
Channel2,
hal::stm32::TIM2,
(cc2de, ccr2, ccmr1_output, cc1s)
);
timer_channel!(
Channel3,
hal::stm32::TIM2,
(cc3de, ccr3, ccmr2_output, cc3s)
);
timer_channel!(
Channel4,
hal::stm32::TIM2,
(cc4de, ccr4, ccmr2_output, cc4s)
);
timer_channels!(1, $TY, ccmr1);
timer_channels!(2, $TY, ccmr1);
timer_channels!(3, $TY, ccmr2);
timer_channels!(4, $TY, ccmr2);
}
}
};
($index:expr, $TY:ty, $ccmrx:expr) => {
paste::paste! {
pub struct [< Channel $index >] {}
pub struct [< Channel $index InputCapture>] {}
impl [< Channel $index >] {
/// Construct a new timer channel.
///
/// Note(unsafe): This function must only be called once. Once constructed, the
/// constructee guarantees to never modify the timer channel.
unsafe fn new() -> Self {
Self {}
}
/// Allow the channel to generate DMA requests.
pub fn listen_dma(&self) {
let regs = unsafe { &*<$TY>::ptr() };
regs.dier.modify(|_, w| w.[< cc $index de >]().set_bit());
}
/// Operate the channel as an output-compare.
///
/// # Args
/// * `value` - The value to compare the sampling timer's counter against.
pub fn to_output_compare(&self, value: u32) {
let regs = unsafe { &*<$TY>::ptr() };
assert!(value <= regs.arr.read().bits());
regs.[< ccr $index >].write(|w| w.ccr().bits(value));
regs.[< $ccmrx _output >]()
.modify(|_, w| unsafe { w.[< cc $index s >]().bits(0) });
}
/// Operate the channel in input-capture mode.
///
/// # Args
/// * `input` - The input source for the input capture event.
pub fn to_input_capture(self, input: hal::stm32::[<$TY:lower>]::[< $ccmrx _input >]::[< CC $index S_A >]) -> [< Channel $index InputCapture >]{
let regs = unsafe { &*<$TY>::ptr() };
regs.[< $ccmrx _input >]().modify(|_, w| w.[< cc $index s>]().variant(input));
[< Channel $index InputCapture >] {}
}
}
unsafe impl TargetAddress<PeripheralToMemory> for [< Channel $index InputCapture >] {
type MemSize = u16;
const REQUEST_LINE: Option<u8> = Some(DMAReq::[< $TY _CH $index >]as u8);
fn address(&self) -> u32 {
let regs = unsafe { &*<$TY>::ptr() };
&regs.[<ccr $index >] as *const _ as u32
}
}
}
};
}
timer_channels!(TIM2);