5050 RGB8路LED灯驱动（STM32）

一、前期准备
单片机：STM32F103ZET6
开发环境：MDK5.14
库函数：标准库V3.5
RGB LED模块：淘宝有售
这里写图片描述

二、实验效果
8种颜色的LED流水灯，分配见下表，0代表Disable，1代表Enable
R G B
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1

三、驱动原理
模块上面的RGB引脚低电平有效，LED灯IO口也是低电平有效。
需要完整工程或者有问题的请加QQ：1002521871，验证：呵呵。

四、驱动代码
GPIO.h

#ifndef     __GPIO_H__
#define     __GPIO_H__

#include "stm32f10x.h"

#define     BITBAND(addr, bitnum) \
            ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2)) 
#define     MEM_ADDR(addr)  *((volatile unsigned long  *)(addr)) 
#define     BIT_ADDR(addr, bitnum)   MEM_ADDR(BITBAND(addr, bitnum)) 

#define     GPIOA_ODR_Addr    (GPIOA_BASE+12) //0x4001080C 
#define     GPIOB_ODR_Addr    (GPIOB_BASE+12) //0x40010C0C 
#define     GPIOC_ODR_Addr    (GPIOC_BASE+12) //0x4001100C 
#define     GPIOD_ODR_Addr    (GPIOD_BASE+12) //0x4001140C 
#define     GPIOE_ODR_Addr    (GPIOE_BASE+12) //0x4001180C 
#define     GPIOF_ODR_Addr    (GPIOF_BASE+12) //0x40011A0C    
#define     GPIOG_ODR_Addr    (GPIOG_BASE+12) //0x40011E0C    
#define     GPIOA_IDR_Addr    (GPIOA_BASE+8) //0x40010808 
#define     GPIOB_IDR_Addr    (GPIOB_BASE+8) //0x40010C08 
#define     GPIOC_IDR_Addr    (GPIOC_BASE+8) //0x40011008 
#define     GPIOD_IDR_Addr    (GPIOD_BASE+8) //0x40011408 
#define     GPIOE_IDR_Addr    (GPIOE_BASE+8) //0x40011808 
#define     GPIOF_IDR_Addr    (GPIOF_BASE+8) //0x40011A08 
#define     GPIOG_IDR_Addr    (GPIOG_BASE+8) //0x40011E08 

#define     PAout(n)        BIT_ADDR(GPIOA_ODR_Addr,n)  //输出 
#define     PAin(n)         BIT_ADDR(GPIOA_IDR_Addr,n)  //输入 
#define     PBout(n)        BIT_ADDR(GPIOB_ODR_Addr,n)  //输出 
#define     PBin(n)         BIT_ADDR(GPIOB_IDR_Addr,n)  //输入 
#define     PCout(n)        BIT_ADDR(GPIOC_ODR_Addr,n)  //输出 
#define     PCin(n)         BIT_ADDR(GPIOC_IDR_Addr,n)  //输入 
#define     PDout(n)        BIT_ADDR(GPIOD_ODR_Addr,n)  //输出 
#define     PDin(n)         BIT_ADDR(GPIOD_IDR_Addr,n)  //输入 
#define     PEout(n)        BIT_ADDR(GPIOE_ODR_Addr,n)  //输出 
#define     PEin(n)         BIT_ADDR(GPIOE_IDR_Addr,n)  //输入
#define     PFout(n)        BIT_ADDR(GPIOF_ODR_Addr,n)  //输出 
#define     PFin(n)         BIT_ADDR(GPIOF_IDR_Addr,n)  //输入
#define     PGout(n)        BIT_ADDR(GPIOG_ODR_Addr,n)  //输出 
#define     PGin(n)         BIT_ADDR(GPIOG_IDR_Addr,n)  //输入

/*---------------------LED(Output) Definition------------------*/
#define         LED0            PEout(6)    
#define         LED0_Pin        GPIO_Pin_6
#define         LED1            PEout(5)    
#define         LED1_Pin        GPIO_Pin_5
#define         LEDPORT         GPIOE
#define         LEDCLKLINE      RCC_APB2Periph_GPIOE    
/*---------------------KEY(Input) Definition------------------*/
#define         KEY             PAin(0)
#define         KEY_Pin         GPIO_Pin_0
#define         KEYPORT         GPIOA
#define         KEYCLKLINE      RCC_APB2Periph_GPIOA
/*---------------------Initalize Status-----------------------*/
#define         ON              0
#define         OFF             1

#define         LED_R           PEout(0)
#define         LED_G           PEout(1)
#define         LED_B           PEout(2)

#define         RGB_LED1        PGout(8)
#define         RGB_LED2        PGout(9)
#define         RGB_LED3        PGout(10)
#define         RGB_LED4        PGout(11)
#define         RGB_LED5        PGout(12)
#define         RGB_LED6        PGout(13)
#define         RGB_LED7        PGout(14)
#define         RGB_LED8        PGout(15)

typedef enum
{
    IO_RESET
} SYS_RESET;


extern void GPIOConfiguration(void);
#endif

GPIO.C

#include "gpio.h"

void SystemReset(SYS_RESET type)
{
    switch(type)
    {
        case IO_RESET:
            LED0 = OFF;
            LED1 = OFF;
            break;
    }
}
void GPIOConfiguration(void)
{
    GPIO_InitTypeDef    GPIO;

    //Enable APB2 Bus
    RCC_APB2PeriphClockCmd(LEDCLKLINE | KEYCLKLINE | RCC_APB2Periph_GPIOG, ENABLE);

    //Register IO 
    GPIO.GPIO_Pin   = LED0_Pin | LED1_Pin | 0x07;
    GPIO.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO.GPIO_Mode  = GPIO_Mode_Out_PP;
    GPIO_Init(LEDPORT, &GPIO);

    GPIO.GPIO_Pin   = KEY_Pin;
    GPIO.GPIO_Mode  = GPIO_Mode_IPU;
    GPIO_Init(KEYPORT, &GPIO);

    GPIO.GPIO_Pin   = 0xff00;
    GPIO.GPIO_Mode  = GPIO_Mode_Out_PP;
    GPIO.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOG, &GPIO);
    //LED Initialize and all of them is turned off.
    SystemReset(IO_RESET);

    LED_R       = OFF;          
    LED_G       = OFF;  
    LED_B       = OFF;  

    RGB_LED1    = OFF;  
    RGB_LED2    = OFF;
    RGB_LED3    = OFF;  
    RGB_LED4    = OFF;
    RGB_LED5    = OFF;  
    RGB_LED6    = OFF;
    RGB_LED7    = OFF;  
    RGB_LED8    = OFF;  
}

APP.c

#include "app.h"

void ShowRGBLEDs(void)
{
    uint8_t i = 0;
    uint8_t times = 50;

    //RGB : 001
    LED_R = OFF;
    LED_G = OFF;
    LED_B = ON;
    for (i = 8; i < 16; i ++)
    {
        GPIOG->ODR = 0xff00 & (~(1 << i));
        DelayMs(times);
    }
    DelayMs(times);

    //RGB : 010
    LED_R = OFF;
    LED_G = ON;
    LED_B = OFF;
    for (i = 8; i < 16; i ++)
    {
        GPIOG->ODR = 0xff00 & (~(1 << i));
        DelayMs(times);
    }
    DelayMs(times);

    //RGB : 011
    LED_R = OFF;
    LED_G = ON;
    LED_B = ON;
    for (i = 8; i < 16; i ++)
    {
        GPIOG->ODR = 0xff00 & (~(1 << i));
        DelayMs(times);
    }
    DelayMs(times);

    //RGB : 100
    LED_R = ON;
    LED_G = OFF;
    LED_B = OFF;
    for (i = 8; i < 16; i ++)
    {
        GPIOG->ODR = 0xff00 & (~(1 << i));
        DelayMs(times);
    }
    DelayMs(times);

    //RGB : 101
    LED_R = ON;
    LED_G = OFF;
    LED_B = ON;
    for (i = 8; i < 16; i ++)
    {
        GPIOG->ODR = 0xff00 & (~(1 << i));
        DelayMs(times);
    }
    DelayMs(times);

    //RGB : 110
    LED_R = ON;
    LED_G = ON;
    LED_B = OFF;
    for (i = 8; i < 16; i ++)
    {
        GPIOG->ODR = 0xff00 & (~(1 << i));
        DelayMs(times);
    }
    DelayMs(times);

    //RGB : 111
    LED_R = ON;
    LED_G = ON;
    LED_B = ON;
    for (i = 8; i < 16; i ++)
    {
        GPIOG->ODR = 0xff00 & (~(1 << i));
        DelayMs(times);
    }
    DelayMs(times);
}

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5050 RGB8路LED灯驱动（STM32）

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