xt_hal_gpio.h

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#ifndef __XT_HAL_GPIO_H__
#define __XT_HAL_GPIO_H__
 
/* ==================== [Includes] ========================================== */
 
#include "xt_hal_internal.h"
 
#ifdef __cplusplus
extern "C" {
#endif

 
/* ==================== [Defines] =========================================== */
 
#define XT_HAL_GPIO_INVALID_ID (0xFF)
 
/* ==================== [Typedefs] ========================================== */

enum xt_hal_gpio_event_id {
    XT_HAL_GPIO_EVENT_INT = 0x00,   
    XT_HAL_GPIO_EVENT_WAKEUP,       
};

typedef void (*xt_hal_gpio_cb_t)(uint8_t io, uint32_t event_id);
 
/* ==================== [Global Prototypes] ================================= */
 
/*
    B0: input/output:           0: input, 1: output
    B1: pullup
    B2: pulldown
    B3: output open-drain:      0: push-pull, 1: open-drain; only for output
    B4: rising edge interrupt:  0: disable, 1: enable; only for input
    B5: falling edge interrupt: 0: disable, 1: enable; only for input
    B6: wakeup:                 0: disable, 1: enable; only for input
    B7: high level interrupt:   0: disable, 1: enable; only for input
    B8: low level interrupt:    0: disable, 1: enable; only for input
 */
#define XT_HAL_GPIO_INPUT         0x00
#define XT_HAL_GPIO_OUTPUT        0x01
#define XT_HAL_GPIO_PULLUP        0x02
#define XT_HAL_GPIO_PULLDOWN      0x04
#define XT_HAL_GPIO_OD            0x08
#define XT_HAL_GPIO_RISING_EDGE   0x10
#define XT_HAL_GPIO_FALLING_EDGE  0x20
#define XT_HAL_GPIO_BOTH_EDGE     (XT_HAL_GPIO_RISING_EDGE | XT_HAL_GPIO_FALLING_EDGE)
#define XT_HAL_GPIO_WAKEUP        0x40
#define XT_HAL_GPIO_HIGH_LEVEL    0x80
#define XT_HAL_GPIO_LOW_LEVEL     0x0100
#define XT_HAL_GPIO_BOTH_LEVEL    (XT_HAL_GPIO_HIGH_LEVEL | XT_HAL_GPIO_LOW_LEVEL)

xt_err_t xt_hal_gpio_setup(uint8_t io, uint32_t mode, xt_hal_gpio_cb_t cb);

xt_err_t xt_hal_gpio_close(uint8_t io);
 
// TODO
// void xt_hal_gpio_debounce(uint8_t io, uint8_t debounce_ms);

void xt_hal_gpio_set_level(uint8_t io, uint8_t level);

uint8_t xt_hal_gpio_get_level(uint8_t io);
 
/* ==================== [Macros] ============================================ */
  /* xt_hal_gpio */
 
#ifdef __cplusplus
} /* extern "C" */
#endif
 
#endif /* __XT_HAL_GPIO_H__ */