serial_communication.h

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#ifndef _SERIAL_COMMUNICATION_H_
#define _SERIAL_COMMUNICATION_H_
 
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/uart.h"
#include <string.h>
 
// UART 0 Pins
#define UART_0_RX 3
#define UART_0_TX 1
 
// UART 1 Pins
#define UART_1_RX 9
#define UART_1_TX 10
 
// UART 2 Pins
#define UART_2_TX 17
#define UART_2_RX 16
 
// UART Buffer size
#define UART_BUFFER_SIZE 1024
 
// UARTs selection
#define UART_0 UART_NUM_0
#define UART_1 UART_NUM_1
#define UART_2 UART_NUM_2
 
// No pin selection
#define NO_PIN UART_PIN_NO_CHANGE
 
#define FIVE_BITS UART_DATA_5_BITS
#define SIX_BITS UART_DATA_6_BITS
#define SEVEN_BITS UART_DATA_7_BITS
#define EIGHT_BITS UART_DATA_8_BITS
 
#define ONE_STOP_BIT UART_STOP_BITS_1
#define ONE_HALF_STOP_BIT UART_STOP_BITS_1_5
#define TWO_STOP_BIT UART_STOP_BITS_2
 
typedef struct SerialComm
{
    int gpio_rx;                  
    int gpio_tx;                  
    int gpio_rts;                 
    int gpio_cts;                 
    uart_port_t uart_num;         
    uint32_t baud_rate;           
    uart_parity_t parity;         
    uart_stop_bits_t stop_bits;   
    uart_word_length_t data_bits; 
} SerialComm;
 
void serialCommInit(SerialComm *serial);
 
void serial_write(SerialComm *serial, char *str, int size);
 
#endif