3 Commits

Author	SHA1	Message	Date
Alexandre Abadie	5f1d5e0d83	cpu/stm32_common: various improvements in i2c_1 driver ... - dont send stop if bus is busy and before any action is done on bus - and bus check that looks for bus error, arbitration and nack events - check for ACK (TXIS) before writing bytes on bus and not between each write	2018-07-25 12:01:39 +02:00
Alexandre Abadie	99b3bb88bd	cpu/stm32_common: update return values to error codes	2018-07-25 12:01:37 +02:00
Alexandre Abadie	9166fb27fa	cpu/stm32_common: split common i2c periph in 2 ... - i2c_1 is built for f0, f3, f7, l0 and l4 - i2c_2 is built for f4	2018-07-25 12:01:36 +02:00