p_lusterinc_camera_focallength_encoder_reset/usersrc/zport.c

#include "zport.h"

#include <stdint.h>
#include <stdio.h>
#include "zboard.h"

static uint32_t sys_haspassedms(uint32_t ticket)
{
  uint32_t nowticket = HAL_GetTick();
  if (nowticket >= ticket)
  {
    return nowticket - ticket;
  }
  return UINT32_MAX - ticket + nowticket;
}

///**********************************************************************************************************************
// * ===================================================printf重定向=================================================== *
// **********************************************************************************************************************/
int fputc(int ch, FILE *stream)
{
  uint8_t c = ch;
  HAL_UART_Transmit(&DEBUG_UART, &c, 1, 100);
  return ch;
}
///***********************************************************************************************************************
// * ====================================================调试指示灯===================================================== *
// ***********************************************************************************************************************/
void port_do_debug_light_state(void)
{
  static uint32_t lastprocess = 0;
  if (sys_haspassedms(lastprocess) > 300)
  {
    lastprocess = HAL_GetTick();
    HAL_GPIO_TogglePin(DEBUG_LIGHT_PORT, DEBUG_LIGHT_PIN);
  }
}