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Add a single-column variant to gpio_rcc! macro table

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which includes just the set of registers that need to be
considered.

Then match against those registers with a single `modify(...)`
This commit is contained in:
Bob McWhirter
2021-07-23 11:16:17 -04:00
parent 13873df30b
commit 650f867b1c
2 changed files with 12 additions and 2 deletions
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8
embassy-stm32/src/gpio.rs
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@ -452,9 +452,13 @@ 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, $rst_fn:ident) => {
($en_reg:ident) => {
crate::pac::RCC.$en_reg().modify(|reg| {
reg.$en_fn(true);
crate::pac::gpio_rcc! {
($name:ident, $clock:ident, $en_reg, $rst_reg:ident, $en_fn:ident, $rst_fn:ident) => {
reg.$en_fn(true);
};
}
});
};
}