diff options
Diffstat (limited to 'os/hal/platforms/STM32/i2c_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/i2c_lld.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32/i2c_lld.c b/os/hal/platforms/STM32/i2c_lld.c index c5cd2308f..93b4c4061 100644 --- a/os/hal/platforms/STM32/i2c_lld.c +++ b/os/hal/platforms/STM32/i2c_lld.c @@ -590,8 +590,13 @@ void i2c_lld_set_clock(I2CDriver *i2cp) { regCR2 = i2cp->id_i2c->CR2; /* Get the I2Cx CR2 value */ regCR2 &= (uint16_t)~I2C_CR2_FREQ; /* Clear frequency FREQ[5:0] bits */ freq = (uint16_t)(STM32_PCLK1 / 1000000); /* Set frequency bits depending on pclk1 value */ +#ifdef STM32F4XX + chDbgCheck((freq >= 2) && (freq <= 42), + "i2c_lld_set_clock() : Peripheral clock freq. out of range"); +#else chDbgCheck((freq >= 2) && (freq <= 36), "i2c_lld_set_clock() : Peripheral clock freq. out of range"); +#endif regCR2 |= freq; i2cp->id_i2c->CR2 = regCR2; |