SK9822智能外控表面贴装SMD型LED控制协议STM32源码，调节RGB来控制LED颜色 -

这是基于stm32的SK9822智能外控表面贴装SMD型LED控制协议，可以通过调节RGB来控制LED的颜色

#include "sys.h"
#include "delay.h"
#include "usart.h"
#define SCL PBout(12) //SCL
#define SDA PBout(11) //SDA
#define Led_num 144//led数量
#define Led_Maxnum 144
const u8 ALed_bright=23; //0-31
//const u32 Led_F;
const u32 ALed_B=0;
const u32 ALed_G=125;
const u32 ALed_R=256;
typedef struct
{
u8 Led_bright; //0-31
u32 Led_F;
u32 Led_B;
u32 Led_G;
u32 Led_R;
}LED;
LED led[Led_num];
LED ledOver={0,0xE0<<5,0,0,0};
void LED_Init(void);
void LED_WriteOneWord(u32 DataToWrite);
u32 Led_Date(LED led);
void LedHavingDate(LED *led){
int i;
LED *p;
p=led;
for(i=0;i<1;i++){
p->Led_bright=ALed_bright;
p->Led_F=((0xE0<<5)+p->Led_bright);
p->Led_B=ALed_B;
p->Led_G=ALed_G;
p->Led_R=ALed_R;
p++;
}
}
int main(void)
{ int i=0;
delay_init(); //延时函数初始化
LED_Init();
LedHavingDate(led);
while(1){
(led[0].Led_bright)++;
for(i=0;i<=Led_num;i++)
{
if(i==0)//开始帧
LED_WriteOneWord((u32)0x00000000);
else
LED_WriteOneWord((u32)Led_Date(led[0]));
}
for(i=Led_num;i<Led_Maxnum;i++){
LED_WriteOneWord((u32)Led_Date(ledOver));
}
delay_ms(1);
LED_WriteOneWord((u32)0xFFFFFFFF);
//delay_ms(1000);
if(led[0].Led_bright>=30)led[0].Led_bright=23;
}
}
void LED_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB, ENABLE );
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12|GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP ; //推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
void LED_WriteOneWord(u32 txd)
{
u8 t;
SCL=0;
for(t=0;t<32;t++)
{
SDA=(txd&0x80000000)>>31;
txd<<=1;
delay_us(1);
SCL=1;
delay_us(1);
SCL=0;
delay_us(1);
}
}
u32 Led_Date(LED led){
u32 date=0;
date=(led.Led_F<<24)|(led.Led_B<<16)|(led.Led_G<<8)|(led.Led_R);
return date;
}

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