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stm32/dma: Remove channel index tracking

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This commit is contained in:
Grant Miller 2022-10-18 23:28:39 -05:00
parent fb53d74c57
commit 62eb675a3f
5 changed files with 8 additions and 29 deletions
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27
embassy-stm32/build.rs
View File

@ -602,29 +602,15 @@ fn main() {
}
}
let mut dma_channel_count: usize = 0;
let mut bdma_channel_count: usize = 0;
let mut gpdma_channel_count: usize = 0;
for ch in METADATA.dma_channels {
let mut row = Vec::new();
let dma_peri = METADATA.peripherals.iter().find(|p| p.name == ch.dma).unwrap();
let bi = dma_peri.registers.as_ref().unwrap();
let num;
match bi.kind {
"dma" => {
num = dma_channel_count;
dma_channel_count += 1;
}
"bdma" => {
num = bdma_channel_count;
bdma_channel_count += 1;
}
"gpdma" => {
num = gpdma_channel_count;
gpdma_channel_count += 1;
}
"dma" => {}
"bdma" => {}
"gpdma" => {}
_ => panic!("bad dma channel kind {}", bi.kind),
}
@ -632,7 +618,6 @@ fn main() {
row.push(ch.dma.to_string());
row.push(bi.kind.to_string());
row.push(ch.channel.to_string());
row.push(num.to_string());
if let Some(dmamux) = &ch.dmamux {
let dmamux_channel = ch.dmamux_channel.unwrap();
row.push(format!("{{dmamux: {}, dmamux_channel: {}}}", dmamux, dmamux_channel));
@ -643,12 +628,6 @@ fn main() {
dma_channels_table.push(row);
}
g.extend(quote! {
pub(crate) const DMA_CHANNEL_COUNT: usize = #dma_channel_count;
pub(crate) const BDMA_CHANNEL_COUNT: usize = #bdma_channel_count;
pub(crate) const GPDMA_CHANNEL_COUNT: usize = #gpdma_channel_count;
});
for irq in METADATA.interrupts {
let name = irq.name.to_ascii_uppercase();
interrupts_table.push(vec![name.clone()]);

4
embassy-stm32/src/dma/bdma.rs
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@ -32,10 +32,10 @@ pub(crate) unsafe fn init() {
}
foreach_dma_channel! {
($channel_peri:ident, BDMA1, bdma, $channel_num:expr, $index:expr, $dmamux:tt) => {
($channel_peri:ident, BDMA1, bdma, $channel_num:expr, $dmamux:tt) => {
// BDMA1 in H7 doesn't use DMAMUX, which breaks
};
($channel_peri:ident, $dma_peri:ident, bdma, $channel_num:expr, $index:expr, $dmamux:tt) => {
($channel_peri:ident, $dma_peri:ident, bdma, $channel_num:expr, $dmamux:tt) => {
impl crate::peripherals::$channel_peri {
fn waker() -> &'static AtomicWaker {
static WAKER: AtomicWaker = AtomicWaker::new();

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

@ -49,7 +49,7 @@ pub(crate) unsafe fn init() {
}
foreach_dma_channel! {
($channel_peri:ident, $dma_peri:ident, dma, $channel_num:expr, $index:expr, $dmamux:tt) => {
($channel_peri:ident, $dma_peri:ident, dma, $channel_num:expr, $dmamux:tt) => {
impl crate::peripherals::$channel_peri {
fn waker() -> &'static AtomicWaker {
static WAKER: AtomicWaker = AtomicWaker::new();

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

@ -31,7 +31,7 @@ pub trait MuxChannel: sealed::MuxChannel + super::Channel {
}
foreach_dma_channel! {
($channel_peri:ident, $dma_peri:ident, $version:ident, $channel_num:expr, $index:expr, {dmamux: $dmamux:ident, dmamux_channel: $dmamux_channel:expr}) => {
($channel_peri:ident, $dma_peri:ident, $version:ident, $channel_num:expr, {dmamux: $dmamux:ident, dmamux_channel: $dmamux_channel:expr}) => {
impl sealed::MuxChannel for peripherals::$channel_peri {
const DMAMUX_CH_NUM: u8 = $dmamux_channel;
const DMAMUX_REGS: pac::dmamux::Dmamux = pac::$dmamux;

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

@ -29,7 +29,7 @@ pub(crate) unsafe fn init() {
}
foreach_dma_channel! {
($channel_peri:ident, $dma_peri:ident, gpdma, $channel_num:expr, $index:expr, $dmamux:tt) => {
($channel_peri:ident, $dma_peri:ident, gpdma, $channel_num:expr, $dmamux:tt) => {
impl crate::peripherals::$channel_peri {
fn waker() -> &'static AtomicWaker {
static WAKER: AtomicWaker = AtomicWaker::new();