diff options
Diffstat (limited to 'os/hal/platforms/STM32/i2c_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/i2c_lld.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/os/hal/platforms/STM32/i2c_lld.c b/os/hal/platforms/STM32/i2c_lld.c index d9ca29a9e..a4aa2927d 100644 --- a/os/hal/platforms/STM32/i2c_lld.c +++ b/os/hal/platforms/STM32/i2c_lld.c @@ -561,13 +561,16 @@ void i2c_lld_master_transmit(I2CDriver *i2cp, uint16_t slave_addr, i2cp->id_i2c->CR1 |= I2C_CR1_START; /* send start bit */ -#if !I2C_USE_WAIT - /* Wait until the START condition is generated on the bus: - * the START bit is cleared by hardware */ - uint32_t timeout = 0xfffff; - while((i2cp->id_i2c->CR1 & I2C_CR1_START) && timeout--) - ; -#endif /* I2C_USE_WAIT */ +//#if !I2C_USE_WAIT +// /* Wait until the START condition is generated on the bus: +// * the START bit is cleared by hardware */ +// uint32_t timeout = 0xfffff; +// while((i2cp->id_i2c->CR1 & I2C_CR1_START) && timeout--) +// ; +//#endif /* I2C_USE_WAIT */ + uint32_t timeout = 0xfffff; + while((i2cp->id_i2c->CR1 & I2C_CR1_START) && timeout--) + ; } @@ -623,13 +626,16 @@ void i2c_lld_master_receive(I2CDriver *i2cp, uint16_t slave_addr, i2cp->id_i2c->CR1 |= I2C_CR1_START; /* send start bit */ -#if !I2C_USE_WAIT - /* Wait until the START condition is generated on the bus: - * the START bit is cleared by hardware */ - uint32_t timeout = 0xfffff; - while((i2cp->id_i2c->CR1 & I2C_CR1_START) && timeout--) - ; -#endif /* I2C_USE_WAIT */ +//#if !I2C_USE_WAIT +// /* Wait until the START condition is generated on the bus: +// * the START bit is cleared by hardware */ +// uint32_t timeout = 0xfffff; +// while((i2cp->id_i2c->CR1 & I2C_CR1_START) && timeout--) +// ; +//#endif /* I2C_USE_WAIT */ + uint32_t timeout = 0xfffff; + while((i2cp->id_i2c->CR1 & I2C_CR1_START) && timeout--) + ; } |