[PIC®/AVR®/dsPIC®产品] 攻克PIC18F16Q41的SPI使用方法MCC配置

void SPI1_WriteByte(uint8_t byte)

{

    SPI1TCNTL = 1;

    SPI1CON2 = (SPI1CON2 & ~(_SPI1CON2_SPI1RXR_MASK)) | (_SPI1CON2_SPI1TXR_MASK);

    SPI1TXB = byte;

    while(!PIR3bits.SPI1TXIF);

}

#include "mcc_generated_files/mcc.h"



typedef struct COLOR

{

    uint8_t redChannel;

    uint8_t greenChannel;

    uint8_t blueChannel;

} color_t;



void ws2812_send(unsigned char x)

{

    for(int i=0;i<8;i++)

    {

        x<<=i;

        if(x&0x80)

        {

            SPI1_WriteByte(0xF8); 

        }

        else

        {

            SPI1_WriteByte(0xC0); 

        }

    }

}



void WriteNeopixel(color_t color)

{

    ws2812_send(color.greenChannel);    

    ws2812_send(color.redChannel);    

    ws2812_send(color.blueChannel);



}



    color_t neopixelsBuffer[20] = {



        { 64, 100, 64 }, { 64, 64,  0 }, {  0, 64, 64 }, {  0, 64,  0 },



        { 64,  0, 64 }, { 64,  0,  0 }, {  0,  0, 64 }, {  30,  10,  2 },



        { 96, 96, 96 }, { 48, 48, 48 }, { 24, 24, 24 }, { 12, 24, 12 },



        {  36,  36,  6 }, {  3,  33,  33 }, {  16,  16,  1 }, {  50,  0,  0 },



        {  6,  60,  6 }, {  3,  3,  30 }, {  10,  1,  10 }, {  0,  10,  0 }



    };



void main(void)

{

    // Initialize the device

    SYSTEM_Initialize();



    // If using interrupts in PIC18 High/Low Priority Mode you need to enable the Global High and Low Interrupts

    // If using interrupts in PIC Mid-Range Compatibility Mode you need to enable the Global Interrupts

    // Use the following macros to:



    // Enable the Global Interrupts

    //INTERRUPT_GlobalInterruptEnable();



    // Disable the Global Interrupts

    //INTERRUPT_GlobalInterruptDisable();



    SPI1_Open(SPI1_DEFAULT);  

    __delay_ms(1000);

    for(int i=0;i<20;i++) WriteNeopixel(neopixelsBuffer[i]);

    

    while (1)

    {

        

    }

}

/**

 End of File

*/