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基于瑞萨FPB-RA4E2智能床头灯项目——2串口蓝牙通讯

蓝牙控制ws2812

配置串口相关参数stack
image.png

配置串口相关接口参数
image.png

配置串口硬件引脚
image.png

配置时钟
image.png

增加串口函数处理
image.png

bsp_debug_uart.c

#include"bsp_debug_uart.h"

#include"ws2812LED/bsp_ws2812LED.h"





/* 调试串口 UART0 初始化 */

voidDebug_UART9_Init(void)

{

fsp_err_terr=FSP_SUCCESS;



err=R_SCI_UART_Open(&g_uart9_ctrl,&g_uart9_cfg);

    assert(FSP_SUCCESS==err);

}







/* 发送完成标志 */

volatile bool uart_send_complete_flag = false;





/* 串口中断回调 */

voiddebug_uart9_callback(uart_callback_args_t*p_args)

{

switch(p_args->event)

{

caseUART_EVENT_RX_CHAR:

{

/* 根据字符指令控制RGB彩灯颜色 */

switch(p_args->data)

{

case'1':

WS2812B_Task1();

break;

case'2':

WS2812B_Task2();

break;

case'3':

WS2812B_Task3();

break;

case'4':

WS2812B_Task4();

break;

case'5':

WS2812B_Task5();

break;

default:

break;

}

break;

}

caseUART_EVENT_TX_COMPLETE:

{

            uart_send_complete_flag = true;

break;

}

default:

break;

}

}





/* 重定向 printf 输出 */

#if defined __GNUC__ && !defined __clang__

int_write(intfd,char*pBuffer,intsize);//防止编译警告

int_write(intfd,char*pBuffer,intsize)

{

(void)fd;

R_SCI_UART_Write(&g_uart9_ctrl,(uint8_t*)pBuffer,(uint32_t)size);

while(uart_send_complete_flag == false);

    uart_send_complete_flag = false;



returnsize;

}

#else

int fputc(int ch, FILE *f)

{

(void)f;

    R_SCI_UART_Write(&g_uart0_ctrl,(uint8_t *)&ch,1);

while(uart_send_complete_flag == false);

    uart_send_complete_flag = false;



return ch;

}

#endif

bsp_debug_uart.h

#ifndef __BSP_DEBUG_UART_H

#define	__BSP_DEBUG_UART_H

#include"hal_data.h"

#include"stdio.h"





voidDebug_UART9_Init(void);





#endif

ws2812驱动更改如下：
image.png

bsp_ws2812LED.c

/*
 * ws2812.c
 *
 *  Created on: 2023年10月31日
 *      Author: Administrator
 */

#include "bsp_ws2812LED.h"
#include "hal_data.h"
extern fsp_err_t err ;
extern volatile bool g_transfer_complete ;

//灯条显存SPI数据缓存
uint8_t gWs2812bDat_SPI[WS2812B_AMOUNT * 24+88] = {0};
//灯条显存
tWs2812bCache_TypeDef gWs2812bDat[WS2812B_AMOUNT] = {
//R    G      B
0XFF, 0X00, 0X00,   //0
0X00, 0XFF, 0X00,   //1
0X00, 0X00, 0XFF,   //2
0X00, 0XFF, 0XFF,   //3
0XFF, 0X00, 0XFF,   //4
0XFF, 0XFF, 0X00,   //5
0XFF, 0XFF, 0XFF,   //6
0X0F, 0X0F, 0X0F,   //7

0XFF, 0X00, 0X00,   //0
0X00, 0XFF, 0X00,   //1
0X00, 0X00, 0XFF,   //2
0X00, 0XFF, 0XFF,   //3
0XFF, 0X00, 0XFF,   //4
0XFF, 0XFF, 0X00,   //5
0XFF, 0XFF, 0XFF,   //6
0X0F, 0X0F, 0X0F,   //7
};

//红色灯条显存
tWs2812bCache_TypeDef gWs2812bDat1[WS2812B_AMOUNT] = {
//R    G      B
0XFF, 0X00, 0X00,   //0
0XFF, 0X00, 0X00,   //1
0XFF, 0X00, 0X00,   //2
0XFF, 0X00, 0X00,   //3
0XFF, 0X00, 0X00,   //4
0XFF, 0X00, 0X00,   //5
0XFF, 0X00, 0X00,   //6
0XFF, 0X00, 0X00,   //7

0XFF, 0X00, 0X00,   //0
0XFF, 0X00, 0X00,   //1
0XFF, 0X00, 0X00,   //2
0XFF, 0X00, 0X00,   //3
0XFF, 0X00, 0X00,   //4
0XFF, 0X00, 0X00,   //5
0XFF, 0X00, 0X00,   //6
0XFF, 0X00, 0X00,   //7
};

//黄色灯条显存
tWs2812bCache_TypeDef gWs2812bDat2[WS2812B_AMOUNT] = {
//R    G      B
0XFF, 0XFF, 0X00,   //0
0XFF, 0XFF, 0X00,   //1
0XFF, 0XFF, 0X00,   //2
0XFF, 0XFF, 0X00,   //3
0XFF, 0XFF, 0X00,   //4
0XFF, 0XFF, 0X00,   //5
0XFF, 0XFF, 0X00,   //6
0XFF, 0XFF, 0X00,   //7

0XFF, 0XFF, 0X00,   //0
0XFF, 0XFF, 0X00,   //1
0XFF, 0XFF, 0X00,   //2
0XFF, 0XFF, 0X00,   //3
0XFF, 0XFF, 0X00,   //4
0XFF, 0XFF, 0X00,   //5
0XFF, 0XFF, 0X00,   //6
0XFF, 0XFF, 0X00,   //7
};

//绿色灯条显存
tWs2812bCache_TypeDef gWs2812bDat3[WS2812B_AMOUNT] = {
//R    G      B
0X00, 0XFF, 0X00,   //0
0X00, 0XFF, 0X00,   //1
0X00, 0XFF, 0X00,   //2
0X00, 0XFF, 0X00,   //3
0X00, 0XFF, 0X00,   //4
0X00, 0XFF, 0X00,   //5
0X00, 0XFF, 0X00,   //6
0X00, 0XFF, 0X00,   //7

0X00, 0XFF, 0X00,   //0
0X00, 0XFF, 0X00,   //1
0X00, 0XFF, 0X00,   //2
0X00, 0XFF, 0X00,   //3
0X00, 0XFF, 0X00,   //4
0X00, 0XFF, 0X00,   //5
0X00, 0XFF, 0X00,   //6
0X00, 0XFF, 0X00,   //7
};

//青绿色灯条显存
tWs2812bCache_TypeDef gWs2812bDat4[WS2812B_AMOUNT] = {
//R    G      B
0X00, 0XFF, 0XFF,   //0
0X00, 0XFF, 0XFF,   //1
0X00, 0XFF, 0XFF,   //2
0X00, 0XFF, 0XFF,   //3
0X00, 0XFF, 0XFF,   //4
0X00, 0XFF, 0XFF,   //5
0X00, 0XFF, 0XFF,   //6
0X00, 0XFF, 0XFF,   //7

0X00, 0XFF, 0XFF,   //0
0X00, 0XFF, 0XFF,   //1
0X00, 0XFF, 0XFF,   //2
0X00, 0XFF, 0XFF,   //3
0X00, 0XFF, 0XFF,   //4
0X00, 0XFF, 0XFF,   //5
0X00, 0XFF, 0XFF,   //6
0X00, 0XFF, 0XFF,   //7
};

//灭灯灯条显存
tWs2812bCache_TypeDef gWs2812bDat5[WS2812B_AMOUNT] = {
//R    G      B
0X00, 0X00, 0X00,   //0
0X00, 0X00, 0X00,   //1
0X00, 0X00, 0X00,   //2
0X00, 0X00, 0X00,   //3
0X00, 0X00, 0X00,   //4
0X00, 0X00, 0X00,   //5
0X00, 0X00, 0X00,   //6
0X00, 0X00, 0X00,   //7

0X00, 0X00, 0X00,   //0
0X00, 0X00, 0X00,   //1
0X00, 0X00, 0X00,   //2
0X00, 0X00, 0X00,   //3
0X00, 0X00, 0X00,   //4
0X00, 0X00, 0X00,   //5
0X00, 0X00, 0X00,   //6
0X00, 0X00, 0X00,   //7
};

void WS2812b_Set(uint16_t Ws2b812b_NUM, uint8_t r,uint8_t g,uint8_t b)
{
    uint8_t *pR = &gWs2812bDat_SPI[88+(Ws2b812b_NUM) * 24 + 8];
    uint8_t *pG = &gWs2812bDat_SPI[88+(Ws2b812b_NUM) * 24];
    uint8_t *pB = &gWs2812bDat_SPI[88+(Ws2b812b_NUM) * 24 + 16];

    for(uint8_t i = 0; i <  8; i++) {
        if(g & 0x80) {
            *pG = CODE_1;
        }
        else {
            *pG = CODE_0;
        }
        if(r & 0x80) {
            *pR = CODE_1;
        }
        else {
            *pR = CODE_0;
        }
        if(b & 0x80) {
            *pB = CODE_1;
        }
        else {
            *pB = CODE_0;
        }
        r <<= 1;
        g <<= 1;
        b <<= 1;
        pR++;
        pG++;
        pB++;
    }
}
void WS2812B_Task(void)
{
    uint8_t dat = 0;
    for(int i=0;i<88;i++)
    {
        gWs2812bDat_SPI[i]=0;

    }
    //将gWs2812bDat数据解析成SPI数据
    for(uint8_t iLED = 0; iLED < WS2812B_AMOUNT; iLED++)
    {
        WS2812b_Set(iLED, gWs2812bDat[iLED].R, gWs2812bDat[iLED].G, gWs2812bDat[iLED].B);
    }
    //总线输出数据

    /* Send the reset command */
    g_transfer_complete = false;
    err = R_SCI_SPI_Write(&g_spi0_ctrl, gWs2812bDat_SPI, sizeof(gWs2812bDat_SPI), SPI_BIT_WIDTH_8_BITS);
    assert(FSP_SUCCESS == err);
    /* Wait for SPI_EVENT_TRANSFER_COMPLETE callback event. */
    while (  g_transfer_complete==false)
    {
        ;
    }
     R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS);
}

void WS2812B_Task1(void)
{
    uint8_t dat = 0;
    for(int i=0;i<88;i++)
    {
        gWs2812bDat_SPI[i]=0;

    }
    //将gWs2812bDat数据解析成SPI数据
    for(uint8_t iLED = 0; iLED < WS2812B_AMOUNT; iLED++)
    {
        WS2812b_Set(iLED, gWs2812bDat1[iLED].R, gWs2812bDat1[iLED].G, gWs2812bDat1[iLED].B);
    }
    //总线输出数据

    /* Send the reset command */
    g_transfer_complete = false;
    err = R_SCI_SPI_Write(&g_spi0_ctrl, gWs2812bDat_SPI, sizeof(gWs2812bDat_SPI), SPI_BIT_WIDTH_8_BITS);
    assert(FSP_SUCCESS == err);
    /* Wait for SPI_EVENT_TRANSFER_COMPLETE callback event. */

    // R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS);
}

void WS2812B_Task2(void)
{
    uint8_t dat = 0;
    for(int i=0;i<88;i++)
    {
        gWs2812bDat_SPI[i]=0;

    }
    //将gWs2812bDat数据解析成SPI数据
    for(uint8_t iLED = 0; iLED < WS2812B_AMOUNT; iLED++)
    {
        WS2812b_Set(iLED, gWs2812bDat2[iLED].R, gWs2812bDat2[iLED].G, gWs2812bDat2[iLED].B);
    }
    //总线输出数据

    /* Send the reset command */
    g_transfer_complete = false;
    err = R_SCI_SPI_Write(&g_spi0_ctrl, gWs2812bDat_SPI, sizeof(gWs2812bDat_SPI), SPI_BIT_WIDTH_8_BITS);
    assert(FSP_SUCCESS == err);
    /* Wait for SPI_EVENT_TRANSFER_COMPLETE callback event. */

     //R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS);
}


void WS2812B_Task3(void)
{
    uint8_t dat = 0;
    for(int i=0;i<88;i++)
    {
        gWs2812bDat_SPI[i]=0;

    }
    //将gWs2812bDat数据解析成SPI数据
    for(uint8_t iLED = 0; iLED < WS2812B_AMOUNT; iLED++)
    {
        WS2812b_Set(iLED, gWs2812bDat3[iLED].R, gWs2812bDat3[iLED].G, gWs2812bDat3[iLED].B);
    }
    //总线输出数据

    /* Send the reset command */
    g_transfer_complete = false;
    err = R_SCI_SPI_Write(&g_spi0_ctrl, gWs2812bDat_SPI, sizeof(gWs2812bDat_SPI), SPI_BIT_WIDTH_8_BITS);
    assert(FSP_SUCCESS == err);
    /* Wait for SPI_EVENT_TRANSFER_COMPLETE callback event. */

    // R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS);
}


void WS2812B_Task4(void)
{
    uint8_t dat = 0;
    for(int i=0;i<88;i++)
    {
        gWs2812bDat_SPI[i]=0;

    }
    //将gWs2812bDat数据解析成SPI数据
    for(uint8_t iLED = 0; iLED < WS2812B_AMOUNT; iLED++)
    {
        WS2812b_Set(iLED, gWs2812bDat4[iLED].R, gWs2812bDat4[iLED].G, gWs2812bDat4[iLED].B);
    }
    //总线输出数据

    /* Send the reset command */
    g_transfer_complete = false;
    err = R_SCI_SPI_Write(&g_spi0_ctrl, gWs2812bDat_SPI, sizeof(gWs2812bDat_SPI), SPI_BIT_WIDTH_8_BITS);
    assert(FSP_SUCCESS == err);
    /* Wait for SPI_EVENT_TRANSFER_COMPLETE callback event. */

    // R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS);
}

void WS2812B_Task5(void)
{
    uint8_t dat = 0;
    for(int i=0;i<88;i++)
    {
        gWs2812bDat_SPI[i]=0;

    }
    //将gWs2812bDat数据解析成SPI数据
    for(uint8_t iLED = 0; iLED < WS2812B_AMOUNT; iLED++)
    {
        WS2812b_Set(iLED, gWs2812bDat5[iLED].R, gWs2812bDat5[iLED].G, gWs2812bDat5[iLED].B);
    }
    //总线输出数据

    /* Send the reset command */
    g_transfer_complete = false;
    err = R_SCI_SPI_Write(&g_spi0_ctrl, gWs2812bDat_SPI, sizeof(gWs2812bDat_SPI), SPI_BIT_WIDTH_8_BITS);
    assert(FSP_SUCCESS == err);
    /* Wait for SPI_EVENT_TRANSFER_COMPLETE callback event. */

    // R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS);
}

bsp_ws2812LED.h

#ifndef BSP_WS2812LED_H_

#defineBSP_WS2812LED_H_



#include<stdint.h>



//            编码 0 : 11000000

#defineCODE_0      0xc0

//            编码 1 : 11111000

#defineCODE_1      0xF8

/*ws2812b灯珠数量*/

#defineWS2812B_AMOUNT  16



typedefstruct

{

uint8_tR;

uint8_tG;

uint8_tB;

}tWs2812bCache_TypeDef;



externtWs2812bCache_TypeDef gWs2812bDat[WS2812B_AMOUNT];

externtWs2812bCache_TypeDef gWs2812bDat1[WS2812B_AMOUNT];

externtWs2812bCache_TypeDef gWs2812bDat2[WS2812B_AMOUNT];

externtWs2812bCache_TypeDef gWs2812bDat3[WS2812B_AMOUNT];

externtWs2812bCache_TypeDef gWs2812bDat4[WS2812B_AMOUNT];

externtWs2812bCache_TypeDef gWs2812bDat5[WS2812B_AMOUNT];



voidWS2812b_Set(uint16_tWs2b812b_NUM,uint8_tr,uint8_tg,uint8_tb);

voidWS2812B_Task(void);

voidWS2812B_Task1(void);

voidWS2812B_Task2(void);

voidWS2812B_Task3(void);

voidWS2812B_Task4(void);

voidWS2812B_Task5(void);



#endif/* WS2812_H_ */

主函数如下：
image.png

hal_entry.c

#include "hal_data.h"
#include "ws2812LED/bsp_ws2812LED.h"
#include "debug_uart/bsp_debug_uart.h"

FSP_CPP_HEADER
void R_BSP_WarmStart(bsp_warm_start_event_t event);
FSP_CPP_FOOTER

fsp_err_t err = FSP_SUCCESS;
volatile bool g_transfer_complete = false;
void sci_spi_callback (spi_callback_args_t * p_args)
{
    if (SPI_EVENT_TRANSFER_COMPLETE == p_args->event)
    {
        g_transfer_complete = true;
    }
}

extern tWs2812bCache_TypeDef gWs2812bDat[WS2812B_AMOUNT];

void move_Front()
{
    uint8_t i;
    uint8_t temp[3];
    temp[0] = gWs2812bDat[0].R;
    temp[1] = gWs2812bDat[0].G;
    temp[2] = gWs2812bDat[0].B;
    for (i = 0; i < WS2812B_AMOUNT-1; i++)
    {
        gWs2812bDat[i].R = gWs2812bDat[i+1].R;
        gWs2812bDat[i].G = gWs2812bDat[i+1].G;
        gWs2812bDat[i].B = gWs2812bDat[i+1].B;
    }
        gWs2812bDat[15].R = temp[0];
        gWs2812bDat[15].G = temp[1];
        gWs2812bDat[15].B = temp[2];
}



/*******************************************************************************************************************//**
 * main() is generated by the RA Configuration editor and is used to generate threads if an RTOS is used.  This function
 * is called by main() when no RTOS is used.
 **********************************************************************************************************************/
void hal_entry(void)
{
    /* TODO: add your own code here */
    err = R_SCI_SPI_Open(&g_spi0_ctrl, &g_spi0_cfg);
    assert(FSP_SUCCESS == err);

    sci_spi_extended_cfg_t sci_spi_extended_cfg_t1;
    WS2812B_Task();
    R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS);
    Debug_UART9_Init();
    while (1)
    {

    }

#if BSP_TZ_SECURE_BUILD
    /* Enter non-secure code */
    R_BSP_NonSecureEnter();
#endif
}

/*******************************************************************************************************************//**
 * This function is called at various points during the startup process.  This implementation uses the event that is
 * called right before main() to set up the pins.
 *
 * @param[in]  event    Where at in the start up process the code is currently at
 **********************************************************************************************************************/
void R_BSP_WarmStart(bsp_warm_start_event_t event)
{
    if (BSP_WARM_START_RESET == event)
    {
#if BSP_FEATURE_FLASH_LP_VERSION != 0

        /* Enable reading from data flash. */
        R_FACI_LP->DFLCTL = 1U;

        /* Would normally have to wait tDSTOP(6us) for data flash recovery. Placing the enable here, before clock and
         * C runtime initialization, should negate the need for a delay since the initialization will typically take more than 6us. */
#endif
    }

    if (BSP_WARM_START_POST_C == event)
    {
        /* C runtime environment and system clocks are setup. */

        /* Configure pins. */
        R_IOPORT_Open (&g_ioport_ctrl, g_ioport.p_cfg);
    }
}

#if BSP_TZ_SECURE_BUILD

FSP_CPP_HEADER
BSP_CMSE_NONSECURE_ENTRY void template_nonsecure_callable ();

/* Trustzone Secure Projects require at least one nonsecure callable function in order to build (Remove this if it is not required to build). */
BSP_CMSE_NONSECURE_ENTRY void template_nonsecure_callable ()
{

}
FSP_CPP_FOOTER

#endif

附件为工程文件*附件：ws2812.zip

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