diff options
Diffstat (limited to 'src/stm/ao_i2c_stm.c')
| -rw-r--r-- | src/stm/ao_i2c_stm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/stm/ao_i2c_stm.c b/src/stm/ao_i2c_stm.c index d82342db..c205706d 100644 --- a/src/stm/ao_i2c_stm.c +++ b/src/stm/ao_i2c_stm.c @@ -362,8 +362,12 @@ void ao_i2c_channel_init(uint8_t index) { struct stm_i2c *stm_i2c = ao_i2c_stm_info[index].stm_i2c; + int i; /* Turn I2C off while configuring */ + stm_i2c->cr1 = (1 << STM_I2C_CR1_SWRST); + for (i = 0; i < 100; i++) + asm("nop"); stm_i2c->cr1 = 0; stm_i2c->cr2 = AO_STM_I2C_CR2; |