stm32basic/basic/zlog.c

#include "zlog.h"
#include "zbase.h"

bool                      g_xs_enable_log = true;
extern UART_HandleTypeDef DEBUG_UART;
/*********************************************************************
 * @fn      _write
 *
 * @brief   Support Printf Function
 *
 * @param   *buf - UART send Data.
 *          size - Data length
 *
 * @return  size: Data length
 */
__attribute__((used)) int _write(int fd, char* buf, int size) {
  int i;

  for (i = 0; i < size; i++) {
    uint8_t c = *buf++;
    HAL_UART_Transmit(&DEBUG_UART, &c, 1, 100);
  }

  return size;
}

void zlog_enable(bool enable) { g_xs_enable_log = enable; }
void zlog(const char* fmt, ...) {
  if (g_xs_enable_log) {
    va_list args;
    va_start(args, fmt);
    vprintf(fmt, args);
    va_end(args);
  }
}

void zlog_raw(const char* info){
  if (g_xs_enable_log) {
    printf(info);
  }
}