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80 lines
1.7 KiB
C

/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : uart.h
* @brief : UART driver module header file
******************************************************************************
*/
/* USER CODE END Header */
#ifndef UART_H
#define UART_H
#include <stdint.h>
#include <stddef.h>
#include "hal_uart.h"
/**
* @brief UART configuration structure
*/
typedef struct {
hal_uart_instance_t instance;
uint32_t baudrate;
hal_uart_parity_t parity;
hal_uart_stopbits_t stopbits;
hal_uart_databits_t databits;
} uart_config_t;
/**
* @brief UART instance structure
*/
typedef struct {
uart_config_t config;
uint8_t initialized;
} uart_t;
/**
* @brief Initialize UART module
*/
void uart_init(void);
/**
* @brief Configure UART parameters
* @param config: UART configuration structure
*/
void uart_config(const uart_config_t *config);
/**
* @brief Send data over UART
* @param data: Pointer to data buffer
* @param length: Data length in bytes
*/
void uart_send(const uint8_t *data, size_t length);
/**
* @brief Send string over UART
* @param str: Pointer to string
*/
void uart_send_string(const char *str);
/**
* @brief Receive data over UART
* @param data: Pointer to data buffer
* @param length: Data length to receive in bytes
* @retval Number of bytes received
*/
size_t uart_receive(uint8_t *data, size_t length);
/**
* @brief Check if UART is ready to send
* @retval 1 if ready, 0 otherwise
*/
uint8_t uart_is_tx_ready(void);
/**
* @brief Check if UART has data to receive
* @retval 1 if data available, 0 otherwise
*/
uint8_t uart_is_rx_ready(void);
#endif /* UART_H */