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stm32/dma: update codegen+macrotables for new stm32-data

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This commit is contained in:
Dario Nieuwenhuis 2021-07-17 07:35:59 +02:00
parent dff4b42a33
commit 54b5012c56
6 changed files with 42 additions and 111 deletions
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4
embassy-stm32/src/dma/bdma.rs
View File

@ -150,8 +150,8 @@ pub(crate) unsafe fn init() {
} }
} }
pac::bdma_channels! { pac::dma_channels! {
($channel_peri:ident, $dma_peri:ident, $channel_num:expr) => { ($channel_peri:ident, $dma_peri:ident, bdma, $channel_num:expr, $dmamux:tt) => {
impl crate::dma::sealed::Channel for crate::peripherals::$channel_peri {} impl crate::dma::sealed::Channel for crate::peripherals::$channel_peri {}
impl Channel for crate::peripherals::$channel_peri impl Channel for crate::peripherals::$channel_peri
{ {

2
embassy-stm32/src/dma/dma.rs
View File

@ -153,7 +153,7 @@ pub(crate) unsafe fn init() {
} }
pac::dma_channels! { pac::dma_channels! {
($channel_peri:ident, $dma_peri:ident, $channel_num:expr) => { ($channel_peri:ident, $dma_peri:ident, dma, $channel_num:expr, $dmamux:tt) => {
impl crate::dma::sealed::Channel for crate::peripherals::$channel_peri {} impl crate::dma::sealed::Channel for crate::peripherals::$channel_peri {}
impl Channel for crate::peripherals::$channel_peri impl Channel for crate::peripherals::$channel_peri
{ {

35
embassy-stm32/src/dma/dmamux.rs
View File

@ -24,40 +24,11 @@ pub(crate) trait MuxChannel {
const DMAMUX_REGS: pac::dmamux::Dmamux; const DMAMUX_REGS: pac::dmamux::Dmamux;
} }
macro_rules! dma_num {
(DMA1) => {
0
};
(DMA2) => {
1
};
}
#[cfg(not(rcc_h7))]
pac::bdma_channels! {
($channel_peri:ident, $dma_peri:ident, $channel_num:expr) => {
impl MuxChannel for peripherals::$channel_peri {
const DMAMUX_CH_NUM: u8 = (dma_num!($dma_peri) * 8) + $channel_num;
const DMAMUX_REGS: pac::dmamux::Dmamux = pac::DMAMUX1;
}
};
}
#[cfg(rcc_h7)]
pac::dma_channels! { pac::dma_channels! {
($channel_peri:ident, $dma_peri:ident, $channel_num:expr) => { ($channel_peri:ident, $dma_peri:ident, $version:ident, $channel_num:expr, {dmamux: $dmamux:ident, dmamux_channel: $dmamux_channel:expr}) => {
impl MuxChannel for peripherals::$channel_peri { impl MuxChannel for peripherals::$channel_peri {
const DMAMUX_CH_NUM: u8 = (dma_num!($dma_peri) * 8) + $channel_num; const DMAMUX_CH_NUM: u8 = $dmamux_channel;
const DMAMUX_REGS: pac::dmamux::Dmamux = pac::DMAMUX1; const DMAMUX_REGS: pac::dmamux::Dmamux = pac::$dmamux;
}
};
}
#[cfg(rcc_h7)]
pac::bdma_channels! {
($channel_peri:ident, $dma_peri:ident, $channel_num:expr) => {
impl MuxChannel for peripherals::$channel_peri {
const DMAMUX_CH_NUM: u8 = $channel_num;
const DMAMUX_REGS: pac::dmamux::Dmamux = pac::DMAMUX2;
} }
}; };
} }

26
embassy-stm32/src/usart/mod.rs
View File

@ -171,7 +171,7 @@ crate::pac::peripheral_pins!(
); );
macro_rules! impl_dma { macro_rules! impl_dma {
($inst:ident, ALL, $signal:ident, $request:expr) => { ($inst:ident, {dmamux: $dmamux:ident}, $signal:ident, $request:expr) => {
impl<T: crate::dma::Channel> sealed::$signal<peripherals::$inst> for T { impl<T: crate::dma::Channel> sealed::$signal<peripherals::$inst> for T {
fn request(&self) -> dma::Request { fn request(&self) -> dma::Request {
$request $request
@ -180,7 +180,7 @@ macro_rules! impl_dma {
impl<T: crate::dma::Channel> $signal<peripherals::$inst> for T {} impl<T: crate::dma::Channel> $signal<peripherals::$inst> for T {}
}; };
($inst:ident, $channel:ident, $signal:ident, $request:expr) => { ($inst:ident, {channel: $channel:ident}, $signal:ident, $request:expr) => {
impl sealed::$signal<peripherals::$inst> for peripherals::$channel { impl sealed::$signal<peripherals::$inst> for peripherals::$channel {
fn request(&self) -> dma::Request { fn request(&self) -> dma::Request {
$request $request
@ -192,30 +192,16 @@ macro_rules! impl_dma {
} }
crate::pac::peripheral_dma_channels! { crate::pac::peripheral_dma_channels! {
($peri:ident, usart, $kind:ident, RX, $channel:ident, $dma_peri:ident, $channel_num:expr, $request:expr) => { ($peri:ident, usart, $kind:ident, RX, $channel:tt, $request:expr) => {
impl_dma!($peri, $channel, RxDma, $request); impl_dma!($peri, $channel, RxDma, $request);
}; };
($peri:ident, usart, $kind:ident, TX, $channel:ident, $dma_peri:ident, $channel_num:expr, $request:expr) => { ($peri:ident, usart, $kind:ident, TX, $channel:tt, $request:expr) => {
impl_dma!($peri, $channel, TxDma, $request); impl_dma!($peri, $channel, TxDma, $request);
}; };
($peri:ident, uart, $kind:ident, RX, $channel:ident, $dma_peri:ident, $channel_num:expr, $request:expr) => { ($peri:ident, uart, $kind:ident, RX, $channel:tt, $request:expr) => {
impl_dma!($peri, $channel, RxDma, $request); impl_dma!($peri, $channel, RxDma, $request);
}; };
($peri:ident, uart, $kind:ident, TX, $channel:ident, $dma_peri:ident, $channel_num:expr, $request:expr) => { ($peri:ident, uart, $kind:ident, TX, $channel:tt, $request:expr) => {
impl_dma!($peri, $channel, TxDma, $request); impl_dma!($peri, $channel, TxDma, $request);
}; };
} }
crate::pac::dma_requests! {
(usart, $peri:ident, RX, $request:expr) => {
impl_dma!($peri, ALL, RxDma, $request);
};
(usart, $peri:ident, TX, $request:expr) => {
impl_dma!($peri, ALL, TxDma, $request);
};
(uart, $peri:ident, RX, $request:expr) => {
impl_dma!($peri, ALL, RxDma, $request);
};
(uart, $peri:ident, TX, $request:expr) => {
impl_dma!($peri, ALL, TxDma, $request);
};
}

2
stm32-data

@ -1 +1 @@
Subproject commit d285fced6573703be875436409f8c83dd80ae183 Subproject commit 8702a3a3bb83a59515dab2cf9f75952fa6edae8a

84
stm32-metapac-gen/src/lib.rs
View File

@ -49,8 +49,6 @@ pub struct Peripheral {
pub pins: Vec<Pin>, pub pins: Vec<Pin>,
#[serde(default)] #[serde(default)]
pub dma_channels: HashMap<String, Vec<PeripheralDmaChannel>>, pub dma_channels: HashMap<String, Vec<PeripheralDmaChannel>>,
#[serde(default)]
pub dma_requests: HashMap<String, PeripheralDmaRequest>,
} }
#[derive(Debug, Eq, PartialEq, Clone, Deserialize)] #[derive(Debug, Eq, PartialEq, Clone, Deserialize)]
@ -64,20 +62,17 @@ pub struct Pin {
pub struct DmaChannel { pub struct DmaChannel {
pub dma: String, pub dma: String,
pub channel: u32, pub channel: u32,
pub dmamux: Option<String>,
pub dmamux_channel: Option<u32>,
} }
#[derive(Debug, Eq, PartialEq, Clone, Deserialize, Hash)] #[derive(Debug, Eq, PartialEq, Clone, Deserialize, Hash)]
pub struct PeripheralDmaChannel { pub struct PeripheralDmaChannel {
pub channel: String, pub channel: Option<String>,
pub dmamux: Option<String>,
pub request: Option<u32>, pub request: Option<u32>,
} }
#[derive(Debug, Eq, PartialEq, Clone, Deserialize, Hash)]
pub struct PeripheralDmaRequest {
pub dmamux: String,
pub request: u32,
}
struct BlockInfo { struct BlockInfo {
/// usart_v1/USART -> usart /// usart_v1/USART -> usart
module: String, module: String,
@ -272,19 +267,10 @@ pub fn gen(options: Options) {
let mut peripheral_pins_table: Vec<Vec<String>> = Vec::new(); let mut peripheral_pins_table: Vec<Vec<String>> = Vec::new();
let mut peripheral_rcc_table: Vec<Vec<String>> = Vec::new(); let mut peripheral_rcc_table: Vec<Vec<String>> = Vec::new();
let mut dma_channels_table: Vec<Vec<String>> = Vec::new(); let mut dma_channels_table: Vec<Vec<String>> = Vec::new();
let mut bdma_channels_table: Vec<Vec<String>> = Vec::new();
let mut dma_requests_table: Vec<Vec<String>> = Vec::new();
let mut peripheral_dma_channels_table: Vec<Vec<String>> = Vec::new(); let mut peripheral_dma_channels_table: Vec<Vec<String>> = Vec::new();
let mut peripheral_counts: HashMap<String, u8> = HashMap::new(); let mut peripheral_counts: HashMap<String, u8> = HashMap::new();
let mut dma_channel_counts: HashMap<String, u8> = HashMap::new(); let mut dma_channel_counts: HashMap<String, u8> = HashMap::new();
let dma_base = core
.peripherals
.get(&"DMA".to_string())
.unwrap_or_else(|| core.peripherals.get(&"DMA1".to_string()).unwrap())
.address;
let dma_stride = 0x400;
let gpio_base = core.peripherals.get(&"GPIOA".to_string()).unwrap().address; let gpio_base = core.peripherals.get(&"GPIOA".to_string()).unwrap().address;
let gpio_stride = 0x400; let gpio_stride = 0x400;
@ -336,26 +322,20 @@ pub fn gen(options: Options) {
peripheral_pins_table.push(row); peripheral_pins_table.push(row);
} }
for dma_request in &p.dma_requests { for (request, dma_channels) in &p.dma_channels {
let mut row = Vec::new();
row.push(bi.module.clone());
row.push(name.clone());
row.push(dma_request.0.clone());
row.push(dma_request.1.request.to_string());
// TODO add the `dmamux` column
dma_requests_table.push(row);
}
for (event, dma_channels) in &p.dma_channels {
for channel in dma_channels.iter() { for channel in dma_channels.iter() {
let mut row = Vec::new(); let mut row = Vec::new();
row.push(name.clone()); row.push(name.clone());
row.push(bi.module.clone()); row.push(bi.module.clone());
row.push(bi.block.clone()); row.push(bi.block.clone());
row.push(event.clone()); row.push(request.clone());
row.push(channel.channel.clone()); if let Some(channel) = &channel.channel {
row.push(core.dma_channels[&channel.channel].dma.clone()); row.push(format!("{{channel: {}}}", channel));
row.push(core.dma_channels[&channel.channel].channel.to_string()); } else if let Some(dmamux) = &channel.dmamux {
row.push(format!("{{dmamux: {}}}", dmamux));
} else {
unreachable!();
}
if let Some(request) = channel.request { if let Some(request) = channel.request {
row.push(request.to_string()); row.push(request.to_string());
} else { } else {
@ -399,15 +379,6 @@ pub fn gen(options: Options) {
]); ]);
} }
} }
"dma" => {
let dma_num = if name == "DMA" {
0
} else {
let dma_letter = name.chars().skip(3).next().unwrap();
dma_letter as u32 - '1' as u32
};
assert_eq!(p.address, dma_base + dma_stride * dma_num);
}
_ => {} _ => {}
} }
@ -507,21 +478,25 @@ pub fn gen(options: Options) {
for (id, channel_info) in &core.dma_channels { for (id, channel_info) in &core.dma_channels {
let mut row = Vec::new(); let mut row = Vec::new();
let dma_peri = core.peripherals.get(&channel_info.dma); let dma_peri = core.peripherals.get(&channel_info.dma).unwrap();
let bi = BlockInfo::parse(dma_peri.block.as_ref().unwrap());
row.push(id.clone()); row.push(id.clone());
row.push(channel_info.dma.clone()); row.push(channel_info.dma.clone());
row.push(bi.module.clone());
row.push(channel_info.channel.to_string()); row.push(channel_info.channel.to_string());
if let Some(dma_peri) = dma_peri { if let Some(dmamux) = &channel_info.dmamux {
if let Some(ref block) = dma_peri.block { let dmamux_channel = channel_info.dmamux_channel.unwrap();
let bi = BlockInfo::parse(block); row.push(format!(
if bi.module == "bdma" { "{{dmamux: {}, dmamux_channel: {}}}",
bdma_channels_table.push(row); dmamux, dmamux_channel
} else { ));
dma_channels_table.push(row); } else {
} row.push("{}".to_string());
}
} }
dma_channels_table.push(row);
let dma_peri_name = channel_info.dma.clone(); let dma_peri_name = channel_info.dma.clone();
dma_channel_counts.insert( dma_channel_counts.insert(
dma_peri_name.clone(), dma_peri_name.clone(),
@ -548,7 +523,8 @@ pub fn gen(options: Options) {
} }
} }
if name.starts_with("BDMA_") || name.starts_with("BDMA1_") || name.starts_with("BDMA2_") { if name.starts_with("BDMA_") || name.starts_with("BDMA1_") || name.starts_with("BDMA2_")
{
interrupt_table.push(vec!["BDMA".to_string(), name.clone()]); interrupt_table.push(vec!["BDMA".to_string(), name.clone()]);
} }
@ -583,8 +559,6 @@ pub fn gen(options: Options) {
); );
make_table(&mut extra, "peripheral_rcc", &peripheral_rcc_table); make_table(&mut extra, "peripheral_rcc", &peripheral_rcc_table);
make_table(&mut extra, "dma_channels", &dma_channels_table); make_table(&mut extra, "dma_channels", &dma_channels_table);
make_table(&mut extra, "bdma_channels", &bdma_channels_table);
make_table(&mut extra, "dma_requests", &dma_requests_table);
make_peripheral_counts(&mut extra, &peripheral_counts); make_peripheral_counts(&mut extra, &peripheral_counts);
make_dma_channel_counts(&mut extra, &dma_channel_counts); make_dma_channel_counts(&mut extra, &dma_channel_counts);