[riot-notifications] [RIOT-OS/RIOT] cpu/efm32: fix i2c transfers (#15764)
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Wed Jan 13 23:29:45 CET 2021
@benpicco commented on this pull request.
> @@ -54,28 +56,21 @@ static mutex_t i2c_lock[I2C_NUMOF];
static int _transfer(i2c_t dev, I2C_TransferSeq_TypeDef *transfer)
- bool busy = true;
- uint32_t timeout = I2C_TIMEOUT;
+ uint32_t counter = EFM32_I2C_TIMEOUT;
Wouldn't we only have to wait for the first successful state transition, then we can block on a mutex until the transfer is done - that would make for a very small timeout that is also independent of transfer length.
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