en/latest/usart_8h_source.html

#ifndef CORE_USART_H

#define CORE_USART_H


#include <stdint.h>

#include <stdbool.h>

#include <stm32g4xx_hal.h>

#include "core_config.h"


#define CORE_USART1_UPDATE 0x01

#define CORE_USART2_UPDATE 0x02

#define CORE_USART3_UPDATE 0x04


typedef struct core_USART_module_s {

    UART_HandleTypeDef husart;

    uint8_t rxbuf_int[CORE_USART_RXBUFLEN];

    uint32_t rxbuflen_int;

    void (*callback)(uint8_t *, uint32_t);

} core_USART_module_t;


bool core_USART_init(USART_TypeDef *usart, uint32_t baud);


bool core_USART_transmit(USART_TypeDef *usart, uint8_t *txbuf, uint8_t txbuflen);


bool core_USART_register_callback(USART_TypeDef *usart, void (*callback)(uint8_t *, uint32_t));


uint32_t core_USART_receive(USART_TypeDef *usart, uint8_t *rxbuf, uint32_t rxbuflen, uint32_t timeout);


#if (CORE_USART_UPRINTF != 0) || defined(DOXYGEN)

int uprintf(USART_TypeDef *usart, const char *format, ...);

#endif


#endif

core_config.h
Configuration file for the core library.

CORE_USART_RXBUFLEN
#define CORE_USART_RXBUFLEN
Size of the internal RX buffer. One buffer will be created for each USART module.
Definition core_config.h:226

core_USART_module_s
Definition usart.h:33

core_USART_init
bool core_USART_init(USART_TypeDef *usart, uint32_t baud)
Initialize a USART module in asynchronous mode with the given baud rate.
Definition usart.c:54

core_USART_transmit
bool core_USART_transmit(USART_TypeDef *usart, uint8_t *txbuf, uint8_t txbuflen)
Transmit data from a USART.
Definition usart.c:184

core_USART_register_callback
bool core_USART_register_callback(USART_TypeDef *usart, void(*callback)(uint8_t *, uint32_t))
Set the RX callback and start the receiver for the given USART module.
Definition usart.c:128

uprintf
int uprintf(USART_TypeDef *usart, const char *format,...)
Print a formatted string to a USART.
Definition usart.c:193

core_USART_receive
uint32_t core_USART_receive(USART_TypeDef *usart, uint8_t *rxbuf, uint32_t rxbuflen, uint32_t timeout)
Synchronously receive data from a USART.
Definition usart.c:203