#ifndef _IO_H
#define _IO_H

#include "esp_common.h"
#include "driver/gpio16.h"

#define STATUS_LED      0
#define SWITCH_A        5
#define SWITCH_B        2
#define LDO_SHUTDOWN    4

#define STATUS_LED_MUX      PERIPHS_IO_MUX_GPIO0_U
#define SWITCH_A_MUX        PERIPHS_IO_MUX_GPIO5_U
#define SWITCH_B_MUX        PERIPHS_IO_MUX_GPIO2_U
#define LDO_SHUTDOWN_MUX    PERIPHS_IO_MUX_GPIO4_U

#define STATUS_LED_FUNC     FUNC_GPIO0
#define SWITCH_A_FUNC       FUNC_GPIO5
#define SWITCH_B_FUNC       FUNC_GPIO2
#define LDO_SHUTDOWN_FUNC   FUNC_GPIO4

#define DEBOUNCEDELAY 10    // ms


typedef enum {
    IMU_NO_INTERRUPT = 0,
    IMU_FIFO_FULL,
    IMU_FIFO_OVERFLOW,
    IMU_MOTION
} IMU_Interrupt_et;

typedef void (* switch_function_t)(uint32_t);
typedef void (* imu_function_t)(IMU_Interrupt_et);

typedef struct {
    os_timer_t switch_a_timer;
    os_timer_t switch_b_timer;
    switch_function_t switch_a_cb;
    switch_function_t switch_b_cb;
    imu_function_t imu_cb;
    uint32_t debounce_delay;
    bool debounce_timer; 
} IO_config_t;


void ICACHE_FLASH_ATTR IO_InitIO(void);
void ICACHE_FLASH_ATTR IO_Shutdown(void);
void ICACHE_FLASH_ATTR IO_Restart(void);
void ICACHE_FLASH_ATTR IO_DisableIOInterrupts(void);
void ICACHE_FLASH_ATTR IO_EnableIOInterrupts(void);
void ICACHE_FLASH_ATTR IO_SetSwitchCallback(switch_function_t, switch_function_t);
void ICACHE_FLASH_ATTR IO_SetIMUCallback(imu_function_t);

#endif