基于stm32写一个TCS3200颜色传感器白平衡的代码
时间: 2023-03-23 20:01:49 浏览: 291
TCS3200颜色传感器模块参考代码原理图文档资料
可以回答这个问题。
基于STM32的TCS3200颜色传感器白平衡代码可以分为以下几个步骤:
1. 配置TCS3200传感器,包括选择输出频率和输出占空比等参数。
2. 在STM32上配置定时器,使得定时器能够产生适当的PWM信号,用于控制TCS3200传感器的输出。
3. 通过调整PWM信号的占空比和输出频率,让传感器输出适当的颜色信号。
4. 根据传感器输出的颜色信号,计算出三个通道的RGB值,然后根据这些值进行白平衡校正。
下面是一份基于STM32的TCS3200颜色传感器白平衡代码示例,仅供参考:
```c
#include "stm32f10x.h"
//定义TCS3200输出引脚
#define S2 GPIO_Pin_8
#define S3 GPIO_Pin_9
#define OUT GPIO_Pin_10
//定义RGB三个通道的引脚
#define R GPIO_Pin_11
#define G GPIO_Pin_12
#define B GPIO_Pin_13
//定义定时器2的周期
#define TIMER_PERIOD 7199
void TCS3200_Config(void)
{
//配置S2和S3引脚
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = S2 | S3;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
//配置OUT引脚
GPIO_InitStructure.GPIO_Pin = OUT;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
//设置输出频率为20%的占空比
GPIO_ResetBits(GPIOA, S2);
GPIO_SetBits(GPIOA, S3);
}
void Timer_Config(void)
{
//使能定时器2时钟
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
//定时器2配置
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_TimeBaseStructure.TIM_Period = TIMER_PERIOD;
TIM_TimeBaseStructure.TIM_Prescaler = 0;
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
//使能PWM输出
TIM_OCInitTypeDef TIM_OCInitStructure;
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
TIM_OC1Init(TIM2, &TIM_OCInitStructure);
TIM_OC2Init(TIM2, &TIM_OCInitStructure);
TIM_OC3Init(TIM2, &TIM_OCInitStructure);
//设置RGB三个通道的PWM占空比为50%
TIM_SetCompare1(TIM2, TIMER_PERIOD/2);
TIM_SetCompare2(TIM2, TIMER_PERIOD/2);
TIM
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