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Fix i2c write read (#146)

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* i2c write_read: don't continue with read if write aborted

* i2c write_read: use correct length of read buffer
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Jan Niehusmann 2021-10-02 09:43:05 +02:00 • committed by GitHub
parent 800f71a1b8
commit ad68c9d696
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1 changed files with 6 additions and 1 deletions
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7
rp2040-hal/src/i2c.rs
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@ -383,9 +383,14 @@ macro_rules! hal {
} }
} }
if abort {
return Err(Error::Abort(abort_reason));
}
let buffer_len = buffer.len();
for (i, byte) in buffer.iter_mut().enumerate() { for (i, byte) in buffer.iter_mut().enumerate() {
let first = i == 0; let first = i == 0;
let last = i == bytes.len() - 1; let last = i == buffer_len - 1;
// wait until there is space in the FIFO to write the next byte // wait until there is space in the FIFO to write the next byte
while self.tx_fifo_full() {} while self.tx_fifo_full() {}