stm32f405驱动tcs3200识别颜色代码

以下是一个基于stm32f405芯片的TCS3200颜色识别代码。

#include "stm32f4xx.h"

GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
uint16_t CCR1_Val = 1000;
uint16_t CCR2_Val = 500;
uint16_t CCR3_Val = 250;
uint16_t CCR4_Val = 125;

void TIM_Config(void);
void GPIO_Config(void);

int main(void)
{
  TIM_Config();
  GPIO_Config();

  while (1)
  {
    // 读取TCS3200颜色传感器信号
    uint16_t red = TIM_GetCapture1(TIM4);
    uint16_t green = TIM_GetCapture2(TIM4);
    uint16_t blue = TIM_GetCapture3(TIM4);

    // 判断颜色
    if (red > green && red > blue)
    {
      // 红色
      GPIO_SetBits(GPIOB, GPIO_Pin_0);
      GPIO_ResetBits(GPIOB, GPIO_Pin_1);
      GPIO_ResetBits(GPIOB, GPIO_Pin_2);
    }
    else if (green > red && green > blue)
    {
      // 绿色
      GPIO_ResetBits(GPIOB, GPIO_Pin_0);
      GPIO_SetBits(GPIOB, GPIO_Pin_1);
      GPIO_ResetBits(GPIOB, GPIO_Pin_2);
    }
    else if (blue > red && blue > green)
    {
      // 蓝色
      GPIO_ResetBits(GPIOB, GPIO_Pin_0);
      GPIO_ResetBits(GPIOB, GPIO_Pin_1);
      GPIO_SetBits(GPIOB, GPIO_Pin_2);
    }
    else
    {
      // 无法识别的颜色
      GPIO_ResetBits(GPIOB, GPIO_Pin_0);
      GPIO_ResetBits(GPIOB, GPIO_Pin_1);
      GPIO_ResetBits(GPIOB, GPIO_Pin_2);
    }
  }
}

void TIM_Config(void)
{
  // 使能TIM4时钟
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);

  // 初始化TIM4
  TIM_TimeBaseInitStructure.TIM_Period = 65535;
  TIM_TimeBaseInitStructure.TIM_Prescaler = 0;
  TIM_TimeBaseInitStructure.TIM_ClockDivision = 0;
  TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(TIM4, &TIM_TimeBaseInitStructure);

  // 配置TIM4的通道1、通道2、通道3、通道4
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = CCR1_Val;
  TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
  TIM_OC1Init(TIM4, &TIM_OCInitStructure);

  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = CCR2_Val;
  TIM_OC2Init(TIM4, &TIM_OCInitStructure);

  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = CCR3_Val;
  TIM_OC3Init(TIM4, &TIM_OCInitStructure);

  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = CCR4_Val;
  TIM_OC4Init(TIM4, &TIM_OCInitStructure);

  // 启动TIM4
  TIM_Cmd(TIM4, ENABLE);

  // 启动TIM4的捕获功能
  TIM_ICInitTypeDef TIM_ICInitStructure;
  TIM_ICInitStructure.TIM_Channel = TIM_Channel_1;
  TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
  TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
  TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
  TIM_ICInitStructure.TIM_ICFilter = 0x0;
  TIM_ICInit(TIM4, &TIM_ICInitStructure);

  TIM_ICInitStructure.TIM_Channel = TIM_Channel_2;
  TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
  TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
  TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
  TIM_ICInitStructure.TIM_ICFilter = 0x0;
  TIM_ICInit(TIM4, &TIM_ICInitStructure);

  TIM_ICInitStructure.TIM_Channel = TIM_Channel_3;
  TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
  TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
  TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
  TIM_ICInitStructure.TIM_ICFilter = 0x0;
  TIM_ICInit(TIM4, &TIM_ICInitStructure);
}

void GPIO_Config(void)
{
  // 使能GPIOB时钟
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);

  // 配置GPIOB的Pin0、Pin1、Pin2为输出
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
}

这段代码使用了定时器TIM4来读取TCS3200颜色传感器的信号，并根据信号判断颜色。在判断颜色后，将结果输出到GPIOB的Pin0、Pin1、Pin2上，以控制RGB LED的颜色。请注意，此代码中的颜色识别算法非常简单，可能无法正确识别某些颜色。如果需要更准确的颜色识别，请使用更复杂的算法。