uart.h

#pragma once
 
/************************************************************************************************
 * @file   uart.h
 *
 * @brief  UART Library Header file
 *
 * @date   2024-11-02
 * @author Midnight Sun Team #24 - MSXVI
 ************************************************************************************************/
 
/* Standard library Headers */
#include <stdint.h>
 
/* Inter-component Headers */
 
/* Intra-component Headers */
#include "gpio.h"
 
typedef enum { UART_PORT_1 = 0, UART_PORT_2, NUM_UART_PORTS } UartPort;
 
#define UART_MAX_BUFFER_LEN 256U
#define UART_TIMEOUT_MS 1U
 
typedef enum {
  UART_FLOW_CONTROL_NONE,   
  UART_FLOW_CONTROL_RTS,    
  UART_FLOW_CONTROL_CTS,    
  UART_FLOW_CONTROL_RTS_CTS 
} UartFlowControl;
 
typedef struct {
  GpioAddress tx;               
  GpioAddress rx;               
  uint32_t baudrate;            
  UartFlowControl flow_control; 
} UartSettings;
 
StatusCode uart_init(UartPort uart, UartSettings *settings);
 
StatusCode uart_rx(UartPort uart, uint8_t *data, size_t len);
 
StatusCode uart_tx(UartPort uart, uint8_t *data, size_t len);