sim808.h

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#ifndef SIM808_H
#define SIM808_H

#include <stdint.h>
#include "main.h"

#define AT_uart huart1
#define debug_uart huart2

#define DEBUG_MODE 1
/* Error codes */
#define FAIL 0
#define SUCCESS 1
#define TRUE 1
#define FALSE 0

#define GREEN_LED GPIO_PIN_13


#define RX_WAIT 200 /* After sending AT command, wait RX_WAIT ms  to ensure that the reply is receeived in the buffer */
#define RX_TIMEOUT 1000
#define TX_TIMEOUT 100
#define BAUD_RATE 38400 /* BAUD_RATE=38400 => it take 26 ms to send 100 bytes */
#define RX_BUFFER_LENGTH 256
#define SIM_UART huart2
#define DEBUG_UART huart1
#define TCP_CONNECT_TIMEOUT 5 /* value in second */
#define GPS_COORDINATES_LENGTH 23 





typedef struct {
    USART_TypeDef * AT_uart_instance; /*send AT commands through this UART.*/
    USART_TypeDef * debug_uart_instance;
    GPIO_TypeDef  * power_on_gpio;
    uint16_t power_on_pin;
    GPIO_TypeDef  * reset_gpio;
    uint16_t reset_pin;
    GPIO_TypeDef  * status_gpio;
    uint16_t status_pin;
} SIM808_typedef;



uint8_t sim_init(SIM808_typedef * sim);

uint8_t sim_power_off(SIM808_typedef * sim);

void system_reset(SIM808_typedef * sim);


uint8_t send_AT_cmd(const char * cmd, const char * expected_reply, uint8_t save_reply, char * cmd_reply, uint32_t rx_timeout);

uint8_t send_serial_data(uint8_t * data, uint8_t length, char * cmd_reply, uint32_t rx_wait);

void send_debug(const char * debug_msg);


void  send_raw_debug(uint8_t * debug_dump,uint8_t length);
uint8_t is_subarray_present(const uint8_t *array, size_t array_len, const uint8_t *subarray, size_t subarray_len);
#endif