diff options
Diffstat (limited to 'teensy/hal_gpio.c')
| -rw-r--r-- | teensy/hal_gpio.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/teensy/hal_gpio.c b/teensy/hal_gpio.c index 0811f76fda..218560e29b 100644 --- a/teensy/hal_gpio.c +++ b/teensy/hal_gpio.c @@ -25,12 +25,18 @@ void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init) if ((GPIO_Init->Mode == GPIO_MODE_AF_PP) || (GPIO_Init->Mode == GPIO_MODE_AF_OD)) { /* Check the Alternate function parameter */ assert_param(IS_GPIO_AF(GPIO_Init->Alternate)); - /* Configure Alternate function mapped with the current IO */ - - *port_pcr &= ~PORT_PCR_MUX_MASK; - *port_pcr |= PORT_PCR_MUX(GPIO_Init->Alternate); + } + else if (GPIO_Init->Mode == GPIO_MODE_ANALOG) { + GPIO_Init->Alternate = 0; + } + else { + GPIO_Init->Alternate = 1; } + /* Configure Alternate function mapped with the current IO */ + *port_pcr &= ~PORT_PCR_MUX_MASK; + *port_pcr |= PORT_PCR_MUX(GPIO_Init->Alternate); + /* Configure IO Direction mode (Input, Output, Alternate or Analog) */ if (GPIO_Init->Mode == GPIO_MODE_INPUT || GPIO_Init->Mode == GPIO_MODE_ANALOG) { GPIOx->PDDR &= ~bitmask; @@ -112,4 +118,3 @@ void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init) #endif } } - |