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document board GPIOs

This commit is contained in:
King Kévin 2016-03-25 13:16:27 +01:00
parent 6f26bd0e96
commit 0d72bb6411
1 changed files with 27 additions and 21 deletions
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48
global.h
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@ -25,34 +25,40 @@
/** get the length of an array */
#define LENGTH(x) (sizeof(x) / sizeof((x)[0]))
/* board LED GPIO */
/** @defgroup board_led board LED GPIO
* @{
*/
#if defined(SYSTEM_BOARD)
/** on system board LED is on pin 11/PA1 */
#define LED_RCC RCC_GPIOA
#define LED_PORT GPIOA
#define LED_PIN GPIO1
/* on system board LED is on pin 11/PA1 */
#define LED_RCC RCC_GPIOA /**< GPIO peripheral clock (port A on system board) */
#define LED_PORT GPIOA /**< GPIO port (port A on system board) */
#define LED_PIN GPIO1 /**< GPIO pin (pin PA1 on system board) */
#elif defined(BLUE_PILL)
/** on minimum system LED is on pin 2/PC13 */
#define LED_RCC RCC_GPIOC
#define LED_PORT GPIOC
#define LED_PIN GPIO13
/* on minimum system LED is on pin 2/PC13 */
#define LED_RCC RCC_GPIOC /**< GPIO peripheral clock (port C on blue pill) */
#define LED_PORT GPIOC /**< GPIO port (port C on blue pill) */
#define LED_PIN GPIO13 /**< GPIO pin (pin PC13 on system board) */
#elif defined (MAPLE_MINI)
/** on maple mini LED is on pin 19/PB1 */
#define LED_RCC RCC_GPIOB
#define LED_PORT GPIOB
#define LED_PIN GPIO1
/* on maple mini LED is on pin 19/PB1 */
#define LED_RCC RCC_GPIOB /**< GPIO peripheral clock (port B on maple mini) */
#define LED_PORT GPIOB /**< GPIO port (port B on maple mini) */
#define LED_PIN GPIO1 /**< GPIO pin (pin PB1 on maple mini) */
#endif
/** @} */
/* board user button GPIO */
/** @defgroup board_button board user button GPIO
* @{
*/
#if defined(MAPLE_MINI)
/** on maple mini user button is on 32/PB8 */
#define BUTTON_RCC RCC_GPIOB
#define BUTTON_PORT GPIOB
#define BUTTON_PIN GPIO8
#define BUTTON_EXTI EXTI8
#define BUTTON_IRQ NVIC_EXTI9_5_IRQ
#define BUTTON_ISR exti9_5_isr
/* on maple mini user button is on 32/PB8 */
#define BUTTON_RCC RCC_GPIOB /**< GPIO peripheral clock (port B on maple mini) */
#define BUTTON_PORT GPIOB /**< GPIO port (port B on maple mini) */
#define BUTTON_PIN GPIO8 /**< GPIO pin (pin PB8 on maple mini) */
#define BUTTON_EXTI EXTI8 /**< GPIO external interrupt (exti 8 for pin 8 on maple mini) */
#define BUTTON_IRQ NVIC_EXTI9_5_IRQ /**< GPIO line interrupt (interrupt for line 9 to 5 for pin 8 on maple mini) */
#define BUTTON_ISR exti9_5_isr /**< GPIO line interrupt service routine (isr for line 9 to 5 for pin 8 on maple mini) */
#endif
/** @} */
/** @brief switch on board LED */
void led_on(void);