motor_ctl-3/User/Src/light_driver.c

#include "light_driver.h"

MC_LightDriver_IO_Struct_t HeadLightIO_Groups[3] = 
{
  {GPIOB, GPIO_PIN_4},  //前灯6V
  {GPIOB, GPIO_PIN_6},  //前灯12V
  {GPIOB, GPIO_PIN_7},  //前灯随电池电压
};
MC_LightDriver_IO_Struct_t TailLightIO_Groups[3] = 
{
  {GPIOB, GPIO_PIN_2},  //尾灯6V
  {GPIOB, GPIO_PIN_0},  //尾灯12V
  {GPIOA, GPIO_PIN_6}   //尾灯随电池电压
};

static void LightDriver_IO_Control(MC_LightDriver_IO_Struct_t* IO_Groups, uint8_t Len, uint8_t ID, MC_LightSwitch_Struct_t SwitchCode)
{
	uint8_t i;
	
	if(SwitchCode == MC_LightSwitch_ON)//开灯时，仅打开配置的IO
	{
		for(i=0; i<Len; i++)
		{
		  HAL_GPIO_WritePin(IO_Groups[i].Port, IO_Groups[i].Pin, (i == ID) ? GPIO_PIN_SET: GPIO_PIN_RESET);
	  }
	}
	else//关灯时，关闭所有控制IO
	{
	  for(i=0; i<Len; i++)
		{
		  HAL_GPIO_WritePin(IO_Groups[i].Port, IO_Groups[i].Pin, GPIO_PIN_RESET);
		}
	}
}

void LightDriver_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct;
	uint8_t i;

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOA_CLK_ENABLE();
	__HAL_RCC_GPIOB_CLK_ENABLE();
	
  /*Configure GPIO pin Output Level */
  for(i=0; i< 3; i++)
	{
	  //前灯组
		HAL_GPIO_WritePin(HeadLightIO_Groups[i].Port, HeadLightIO_Groups[i].Pin, GPIO_PIN_RESET);
		GPIO_InitStruct.Pin = HeadLightIO_Groups[i].Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(HeadLightIO_Groups[i].Port, &GPIO_InitStruct);
		//尾灯组
		HAL_GPIO_WritePin(TailLightIO_Groups[i].Port, TailLightIO_Groups[i].Pin, GPIO_PIN_RESET);
		GPIO_InitStruct.Pin = TailLightIO_Groups[i].Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(TailLightIO_Groups[i].Port, &GPIO_InitStruct);
	}
}

void LightDriver_Process(MC_TailLight_Mode_Struct_t TailLight_Mode, MC_LightVoltage_Struct_t HeadLightVol, MC_LightVoltage_Struct_t TailLightVol, TrueOrFalse_Flag_Struct_t IsBreakFlag, MC_LightSwitch_Struct_t LightSwitchCode)
{	
	uint8_t HeadLightIO_Groups_ID, TailLightIO_Groups_ID;
	
	//根据配置选择对应的IO
	switch(HeadLightVol)
	{
		case MC_LIGHT_VOL_6V:
		{
		  HeadLightIO_Groups_ID = 0;
			break;
		}	
		case MC_LIGHT_VOL_12V:
		{
		  HeadLightIO_Groups_ID = 1;
			break;
		}	
		case MC_LIGHT_VOL_BATTERY:
		{
		  HeadLightIO_Groups_ID = 2;
			break;
		}	
		default://无配置时，控制PB4，兼容旧主控板
    {
		  HeadLightIO_Groups_ID = 0;
			break;
		}		
	}
	switch(TailLightVol)
	{
		case MC_LIGHT_VOL_6V:
		{
		  TailLightIO_Groups_ID = 0;
			break;
		}	
		case MC_LIGHT_VOL_12V:
		{
		  TailLightIO_Groups_ID = 1;
			break;
		}	
		case MC_LIGHT_VOL_BATTERY:
		{
		  TailLightIO_Groups_ID = 2;
			break;
		}	
		default://无配置时，控制PA6，兼容旧主控板
    {
		  TailLightIO_Groups_ID = 2;
			break;
		}		
	}
	
	//控制前灯
	LightDriver_IO_Control(HeadLightIO_Groups, sizeof(HeadLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), HeadLightIO_Groups_ID, LightSwitchCode);
	
	//控制尾灯
	static uint16_t FlashTimeCnt = 0;
	uint16_t OnTime = 8;
	uint16_t Period = 15;
	switch(TailLight_Mode)
	{
	  case MC_TAIL_LIGHT_MODE1://连接尾灯，开灯时低亮，刹车时高亮
		{
			if(IsBreakFlag == TRUE)//刹车时，高亮
			{
				LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, MC_LightSwitch_ON);
				FlashTimeCnt = 0;
			}
			else//无刹车时，开灯低亮
			{
				if(LightSwitchCode == MC_LightSwitch_ON)
				{
					if(FlashTimeCnt < OnTime)
					{
						LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, MC_LightSwitch_ON);
					}
					else if(FlashTimeCnt < Period) //控制周期:15K / Period
					{
						LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, MC_LightSwitch_OFF);
					}
					else
					{
						FlashTimeCnt = 0;
					}
					FlashTimeCnt++;
				}
				else if(LightSwitchCode == MC_LightSwitch_OFF)
				{
					LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, MC_LightSwitch_OFF);
					FlashTimeCnt = 0;
				}
			}
			break;
		}
		case MC_TAIL_LIGHT_MODE2: default://连接尾灯，开灯时高亮，刹车时闪烁
		{
			if(IsBreakFlag == TRUE)//刹车时，快闪
			{
				if(FlashTimeCnt < 600)
				{
					LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, MC_LightSwitch_ON);
				}
				else if(FlashTimeCnt < 1200) //闪烁频率：15K / 1200 = 12.5Hz
				{
					LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, MC_LightSwitch_OFF);
				}
				else
				{
					FlashTimeCnt = 0;
				}
				FlashTimeCnt++;
			}
			else//无刹车时，开灯亮
			{
				LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, LightSwitchCode);
				FlashTimeCnt = 0;
			}	
			break;
		}
		case MC_TAIL_LIGHT_MODE3://连接刹车灯，刹车高亮
		{
			LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, (IsBreakFlag == TRUE) ? MC_LightSwitch_ON : MC_LightSwitch_OFF);
			break;
		}
		case MC_TAIL_LIGHT_MODE4://连接刹车灯，刹车闪烁
		{
	  	if(IsBreakFlag == TRUE)//刹车时，快闪
			{
				if(FlashTimeCnt < 600)
				{
					LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, MC_LightSwitch_ON);
				}
				else if(FlashTimeCnt < 1200) //闪烁频率：15K / 1200 = 12.5Hz
				{
					LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, MC_LightSwitch_OFF);
				}
				else
				{
					FlashTimeCnt = 0;
				}
				FlashTimeCnt++;
			}
			else//无刹车时，关闭
			{
				LightDriver_IO_Control(TailLightIO_Groups, sizeof(TailLightIO_Groups)/sizeof(MC_LightDriver_IO_Struct_t), TailLightIO_Groups_ID, MC_LightSwitch_OFF);
				FlashTimeCnt = 0;
			}	
			break;
		}
	}
}