max/embassy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update stm32-data

Browse Source
This commit is contained in:
Dario Nieuwenhuis
2022-02-14 02:12:06 +01:00
parent c8f9f1bead
commit 39d06b59cd
13 changed files with 56 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
embassy-stm32/src/i2c/v2.rs
View File

@ -132,7 +132,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
fn master_stop(&mut self) {
unsafe {
T::regs().cr2().write(|w| w.set_stop(i2c::vals::Stop::STOP));
T::regs().cr2().write(|w| w.set_stop(true));
}
}
@ -143,7 +143,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
// Wait for any previous address sequence to end
// automatically. This could be up to 50% of a bus
// cycle (ie. up to 0.5/freq)
while T::regs().cr2().read().start() == i2c::vals::Start::START {}
while T::regs().cr2().read().start() {}
}
// Set START and prepare to receive bytes into
@ -158,10 +158,10 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
T::regs().cr2().modify(|w| {
w.set_sadd((address << 1 | 0) as u16);
w.set_add10(i2c::vals::Add::BIT7);
w.set_rd_wrn(i2c::vals::RdWrn::READ);
w.set_add10(i2c::vals::Addmode::BIT7);
w.set_dir(i2c::vals::Dir::READ);
w.set_nbytes(length as u8);
w.set_start(i2c::vals::Start::START);
w.set_start(true);
w.set_autoend(stop.autoend());
w.set_reload(reload);
});
@ -173,7 +173,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
// Wait for any previous address sequence to end
// automatically. This could be up to 50% of a bus
// cycle (ie. up to 0.5/freq)
while T::regs().cr2().read().start() == i2c::vals::Start::START {}
while T::regs().cr2().read().start() {}
let reload = if reload {
i2c::vals::Reload::NOTCOMPLETED
@ -186,10 +186,10 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
// I2C is in slave mode.
T::regs().cr2().modify(|w| {
w.set_sadd((address << 1 | 0) as u16);
w.set_add10(i2c::vals::Add::BIT7);
w.set_rd_wrn(i2c::vals::RdWrn::WRITE);
w.set_add10(i2c::vals::Addmode::BIT7);
w.set_dir(i2c::vals::Dir::WRITE);
w.set_nbytes(length as u8);
w.set_start(i2c::vals::Start::START);
w.set_start(true);
w.set_autoend(stop.autoend());
w.set_reload(reload);
});