diff options
| -rw-r--r-- | libmaple/gpio.h | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/libmaple/gpio.h b/libmaple/gpio.h index 006b622..a7859a7 100644 --- a/libmaple/gpio.h +++ b/libmaple/gpio.h @@ -62,15 +62,15 @@ typedef struct gpio_reg_map { * Used to determine which GPIO port to map an external interrupt line * onto. */ /* (See AFIO sections, below) */ -typedef enum { - AFIO_EXTI_PA, /**< Use PAx pin. */ - AFIO_EXTI_PB, /**< Use PBx pin. */ - AFIO_EXTI_PC, /**< Use PCx pin. */ - AFIO_EXTI_PD, /**< Use PDx pin. */ +typedef enum afio_exti_port { + AFIO_EXTI_PA, /**< Use port A (PAx) pin. */ + AFIO_EXTI_PB, /**< Use port B (PBx) pin. */ + AFIO_EXTI_PC, /**< Use port C (PCx) pin. */ + AFIO_EXTI_PD, /**< Use port D (PDx) pin. */ #ifdef STM32_HIGH_DENSITY - AFIO_EXTI_PE, /**< Use PEx pin. */ - AFIO_EXTI_PF, /**< Use PFx pin. */ - AFIO_EXTI_PG, /**< Use PGx pin. */ + AFIO_EXTI_PE, /**< Use port E (PEx) pin. */ + AFIO_EXTI_PF, /**< Use port F (PFx) pin. */ + AFIO_EXTI_PG, /**< Use port G (PGx) pin. */ #endif } afio_exti_port; @@ -135,8 +135,12 @@ extern gpio_dev* const GPIOG; #define GPIO_CR_MODE_OUTPUT_2MHZ 0x2 #define GPIO_CR_MODE_OUTPUT_50MHZ 0x3 -/** GPIO Pin modes. These only allow for 50MHZ max output speeds; if - * you want slower, use direct register access. */ +/** + * @brief GPIO Pin modes. + * + * These only allow for 50MHZ max output speeds; if you want slower, + * use direct register access. + */ typedef enum gpio_pin_mode { GPIO_OUTPUT_PP = (GPIO_CR_CNF_OUTPUT_PP | GPIO_CR_MODE_OUTPUT_50MHZ), /**< Output push-pull. */ @@ -419,7 +423,10 @@ void afio_exti_select(afio_exti_num exti, afio_exti_port gpio_port); * not used in either MAPR or MAPR2 */ #define AFIO_REMAP_USE_MAPR2 (1 << 31) -/** Available peripheral remaps. */ +/** + * @brief Available peripheral remaps. + * @see afio_remap() + */ typedef enum afio_remap_peripheral { AFIO_REMAP_ADC2_ETRGREG = AFIO_MAPR_ADC2_ETRGREG_REMAP, /**< ADC 2 external trigger regular conversion remapping */ @@ -486,6 +493,8 @@ void afio_remap(afio_remap_peripheral p); * * Used to configure the behavior of JTAG and Serial Wire (SW) debug * ports and their associated GPIO pins. + * + * @see afio_cfg_debug_ports() */ typedef enum afio_debug_cfg { AFIO_DEBUG_FULL_SWJ = AFIO_MAPR_SWJ_CFG_FULL_SWJ, /**< |