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Auto-enable all GPIOs during init().

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This commit is contained in:
Bob McWhirter 2021-07-22 14:38:45 -04:00
parent e91c04a673
commit 13873df30b
4 changed files with 37 additions and 33 deletions
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10
embassy-stm32/src/gpio.rs
View file

@ -449,3 +449,13 @@ crate::pac::pins!(
}
};
);
pub(crate) unsafe fn init() {
crate::pac::gpio_rcc! {
($name:ident, $clock:ident, $en_reg:ident, $rst_reg:ident, $en_fn:ident, $rst_fn:ident) => {
crate::pac::RCC.$en_reg().modify(|reg| {
reg.$en_fn(true);
});
};
}
}

1
embassy-stm32/src/lib.rs
View file

@ -89,6 +89,7 @@ pub fn init(config: Config) -> Peripherals {
let p = Peripherals::take();
unsafe {
gpio::init();
dma::init();
#[cfg(exti)]
exti::init();

12
examples/stm32h7/src/bin/usart_dma.rs
View file

@ -71,22 +71,10 @@ fn main() -> ! {
.pll1_q_ck(48.mhz())
.freeze(pwrcfg, &pp.SYSCFG);
let pp = unsafe { pac::Peripherals::steal() };
unsafe {
Dbgmcu::enable_all();
}
pp.RCC.ahb4enr.modify(|_, w| {
w.gpioaen().set_bit();
w.gpioben().set_bit();
w.gpiocen().set_bit();
w.gpioden().set_bit();
w.gpioeen().set_bit();
w.gpiofen().set_bit();
w
});
unsafe { embassy::time::set_clock(&ZeroClock) };
let executor = EXECUTOR.put(Executor::new());

47
stm32-metapac-gen/src/lib.rs
View file

@ -287,6 +287,7 @@ pub fn gen(options: Options) {
let mut peripheral_counts: HashMap<String, u8> = HashMap::new();
let mut dma_channel_counts: HashMap<String, u8> = HashMap::new();
let mut dbgmcu_table: Vec<Vec<String>> = Vec::new();
let mut gpio_rcc_table: Vec<Vec<String>> = Vec::new();
let gpio_base = core.peripherals.get(&"GPIOA".to_string()).unwrap().address;
let gpio_stride = 0x400;
@ -465,29 +466,32 @@ pub fn gen(options: Options) {
clock.to_ascii_lowercase()
};
if !name.starts_with("GPIO") {
let mut row = Vec::with_capacity(6);
row.push(name.clone());
row.push(clock);
row.push(enable_reg.to_ascii_lowercase());
let mut row = Vec::with_capacity(6);
row.push(name.clone());
row.push(clock);
row.push(enable_reg.to_ascii_lowercase());
if let Some((reset_reg, reset_field)) = reset_reg_field {
row.push(reset_reg.to_ascii_lowercase());
row.push(format!(
"set_{}",
enable_field.to_ascii_lowercase()
));
row.push(format!(
"set_{}",
reset_field.to_ascii_lowercase()
));
} else {
row.push(format!(
"set_{}",
enable_field.to_ascii_lowercase()
));
}
if let Some((reset_reg, reset_field)) = reset_reg_field {
row.push(reset_reg.to_ascii_lowercase());
row.push(format!(
"set_{}",
enable_field.to_ascii_lowercase()
));
row.push(format!(
"set_{}",
reset_field.to_ascii_lowercase()
));
} else {
row.push(format!(
"set_{}",
enable_field.to_ascii_lowercase()
));
}
if !name.starts_with("GPIO") {
peripheral_rcc_table.push(row);
} else {
gpio_rcc_table.push(row);
}
}
(None, Some(_)) => {
@ -586,6 +590,7 @@ pub fn gen(options: Options) {
&peripheral_dma_channels_table,
);
make_table(&mut extra, "peripheral_rcc", &peripheral_rcc_table);
make_table(&mut extra, "gpio_rcc", &gpio_rcc_table);
make_table(&mut extra, "dma_channels", &dma_channels_table);
make_table(&mut extra, "dbgmcu", &dbgmcu_table);
make_peripheral_counts(&mut extra, &peripheral_counts);