diff options
| -rw-r--r-- | libmaple/stm32f1/i2c.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libmaple/stm32f1/i2c.c b/libmaple/stm32f1/i2c.c index 4c9af30..5797940 100644 --- a/libmaple/stm32f1/i2c.c +++ b/libmaple/stm32f1/i2c.c @@ -44,6 +44,10 @@ i2c_dev* const I2C2 = &i2c2; */ void i2c_config_gpios(const i2c_dev *dev) { + if ((dev->clk_id == RCC_I2C1) && + (dev->sda_pin == 9) && (dev->scl_pin == 8)) { + afio_remap(AFIO_REMAP_I2C1); + } gpio_set_mode(dev->gpio_port, dev->sda_pin, GPIO_AF_OUTPUT_OD); gpio_set_mode(dev->gpio_port, dev->scl_pin, GPIO_AF_OUTPUT_OD); } |