基于STM32F030的WS2812B的程序设计
#include "ws2812b.h"
#include "timer.h"
#define numLEDs 255 //最大点亮的像素
#define ws28 GPIO_Pin_0 //信号引脚
unsigned char buf_R[numLEDs] = {0};//颜色缓存
unsigned char buf_G[numLEDs] = {0};
unsigned char buf_B[numLEDs] = {0};
unsigned char len;
void WS2812B_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB,ENABLE);
GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;
GPIO_Init(GPIOB,&GPIO_InitStructure);
}
void WS28_Reset(void) //复位函数
{
uint16_t y=0;
GPIOB->ODR=0;
for(y=0;y<1000;y++);
}
void WS28_WriteColor(unsigned char g_col,unsigned char r_col,unsigned char b_col)
{
unsigned char i;
uint16_t y=0;
for(i=0;i<8;i++)
{
g_col=g_col<<1;
if((g_col&0x80)==0x80)
{
GPIOB->ODR=1;
Delay_850nS_H();
GPIOB->ODR=0;
}
else
{
GPIOB->ODR=1;
Delay_400nS_H();
GPIOB->ODR=0;
Delay_850nS_L();
}
}
for(i=0;i<8;i++)
{
r_col=r_col<<1;
if((r_col&0x80)==0x80)
{
GPIOB->ODR=1;
Delay_850nS_H();
GPIOB->ODR=0;
}
else
{
GPIOB->ODR=1;
Delay_400nS_H();
GPIOB->ODR=0;
Delay_850nS_L();
}
}
for(i=0;i<8;i++)
{
b_col=b_col<<1;
if((b_col&0x80)==0x80)
{
GPIOB->ODR=1;
Delay_850nS_H();
GPIOB->ODR=0;
}
else
{
GPIOB->ODR=1;
Delay_400nS_H();
GPIOB->ODR=0;
Delay_850nS_L();
}
}
}
void SetPixelColor(unsigned int num,unsigned long c,unsigned flg)
{
unsigned int i,j;
for(i=0;i
{
buf_R[num] = (unsigned char)(c>>16);
buf_G[num] = (unsigned char)(c>>8);
buf_B[num] = (unsigned char)(c);
}
for(i=0;i
{
if(flg==1)
{
buf_R=buf_R-15;
}
WS28_WriteColor(buf_G,buf_R,buf_B);
}
}
void ColorWipe(unsigned long c, unsigned int wait,unsigned flg)
{
unsigned int i=0;
for( i=0; i
{
SetPixelColor(i,c,flg); //第一个LED灯 控制完成
WS28_Reset();
Delay_ms(wait);
}
}
int main(void)
{
uint32_t i;
unsigned char Flg;
Flg=0;
for(i=5000;i>0;i--);
SysClock_InterConfig();
User_SysTick_Init();
WS2812B_GPIO_Init();
while(1)
{
r_color=55;
g_color=55;
b_color=55;
for(;;)
{
ColorWipe(0x55CCAA, 100,1);
}
}
return 1;
}
基于STM32F030的WS2812B的程序设计
#include "ws2812b.h"
#include "timer.h"
#define numLEDs 255 //最大点亮的像素
#define ws28 GPIO_Pin_0 //信号引脚
unsigned char buf_R[numLEDs] = {0};//颜色缓存
unsigned char buf_G[numLEDs] = {0};
unsigned char buf_B[numLEDs] = {0};
unsigned char len;
void WS2812B_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB,ENABLE);
GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;
GPIO_Init(GPIOB,&GPIO_InitStructure);
}
void WS28_Reset(void) //复位函数
{
uint16_t y=0;
GPIOB->ODR=0;
for(y=0;y<1000;y++);
}
void WS28_WriteColor(unsigned char g_col,unsigned char r_col,unsigned char b_col)
{
unsigned char i;
uint16_t y=0;
for(i=0;i<8;i++)
{
g_col=g_col<<1;
if((g_col&0x80)==0x80)
{
GPIOB->ODR=1;
Delay_850nS_H();
GPIOB->ODR=0;
}
else
{
GPIOB->ODR=1;
Delay_400nS_H();
GPIOB->ODR=0;
Delay_850nS_L();
}
}
for(i=0;i<8;i++)
{
r_col=r_col<<1;
if((r_col&0x80)==0x80)
{
GPIOB->ODR=1;
Delay_850nS_H();
GPIOB->ODR=0;
}
else
{
GPIOB->ODR=1;
Delay_400nS_H();
GPIOB->ODR=0;
Delay_850nS_L();
}
}
for(i=0;i<8;i++)
{
b_col=b_col<<1;
if((b_col&0x80)==0x80)
{
GPIOB->ODR=1;
Delay_850nS_H();
GPIOB->ODR=0;
}
else
{
GPIOB->ODR=1;
Delay_400nS_H();
GPIOB->ODR=0;
Delay_850nS_L();
}
}
}
void SetPixelColor(unsigned int num,unsigned long c,unsigned flg)
{
unsigned int i,j;
for(i=0;i
{
buf_R[num] = (unsigned char)(c>>16);
buf_G[num] = (unsigned char)(c>>8);
buf_B[num] = (unsigned char)(c);
}
for(i=0;i
{
if(flg==1)
{
buf_R=buf_R-15;
}
WS28_WriteColor(buf_G,buf_R,buf_B);
}
}
void ColorWipe(unsigned long c, unsigned int wait,unsigned flg)
{
unsigned int i=0;
for( i=0; i
{
SetPixelColor(i,c,flg); //第一个LED灯 控制完成
WS28_Reset();
Delay_ms(wait);
}
}
int main(void)
{
uint32_t i;
unsigned char Flg;
Flg=0;
for(i=5000;i>0;i--);
SysClock_InterConfig();
User_SysTick_Init();
WS2812B_GPIO_Init();
while(1)
{
r_color=55;
g_color=55;
b_color=55;
for(;;)
{
ColorWipe(0x55CCAA, 100,1);
}
}
return 1;
}
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