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38 lines
828 B
C

#include "putil.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#define MAX_PRINTF_BUFFER (256)
UART_HandleTypeDef *huart_inst = NULL;
static char send[10] = {'\0'};
int p_printf(const char *fmt, ...)
{
size_t size_str = strlen(fmt);
if (size_str >= MAX_PRINTF_BUFFER)
{
return -1;
}
uint8_t printf_buffer[MAX_PRINTF_BUFFER];
memset(printf_buffer, '\0', MAX_PRINTF_BUFFER);
va_list args;
va_start(args, fmt);
vsprintf((char *)printf_buffer, fmt, args);
va_end(args);
HAL_UART_Transmit(huart_inst, printf_buffer, strlen(printf_buffer), 100);
return 0;
}
void p_uart_init(UART_HandleTypeDef *huart)
{
huart_inst = huart;
PDEBUG("...\n");
PDEBUG("UART2 Initialized\n");
}
void p_uart_async_write_byte(uint8_t byte)
{
sprintf(send, "%02x\n", byte);
HAL_UART_Transmit(huart_inst, send, 3, 100);
}