帮我写一个msp430G2558实现的与stm32f103c8t6串口2通过打包数据帧并进行校验的蓝牙通信

好的，这里提供一个简单的msp430G2558与stm32f103c8t6串口2通过打包数据帧并进行校验的蓝牙通信的示例代码。这个示例代码可以让你从中学习到如何使用msp430G2558来进行蓝牙通信。

msp430G2558代码：

#include <msp430.h>
#include <stdint.h>
#include <string.h>

// 定义通信协议中的帧头、帧尾和帧长度
#define FRAME_HEADER 0xAA
#define FRAME_TAIL 0x55
#define FRAME_LENGTH 10

// 定义通信协议中的数据帧结构体
typedef struct {
    uint8_t header;
    uint8_t len;
    uint8_t data[FRAME_LENGTH - 2];
    uint8_t crc;
    uint8_t tail;
} frame_t;

// 计算crc校验码
uint8_t crc8(const uint8_t *buf, uint8_t len) {
    uint8_t crc = 0;

    while (len--) {
        uint8_t inbyte = *buf++;
        for (uint8_t i = 8; i; i--) {
            uint8_t mix = (crc ^ inbyte) & 0x01;
            crc >>= 1;
            if (mix)
                crc ^= 0x8C;
            inbyte >>= 1;
        }
    }

    return crc;
}

// 发送数据帧
void send_frame(uint8_t *data, uint8_t len) {
    frame_t frame;

    // 填充帧头、帧尾和帧长度
    frame.header = FRAME_HEADER;
    frame.tail = FRAME_TAIL;
    frame.len = len + 1;

    // 填充数据
    memcpy(frame.data, data, len);

    // 计算crc校验码
    frame.crc = crc8((uint8_t *)&frame.len, frame.len - 1);

    // 发送数据帧
    for (uint8_t i = 0; i < FRAME_LENGTH; i++) {
        while (!(UCA0IFG & UCTXIFG));
        if (i == 0)
            UCA0TXBUF = frame.header;
        else if (i == FRAME_LENGTH - 2)
            UCA0TXBUF = frame.crc;
        else if (i == FRAME_LENGTH - 1)
            UCA0TXBUF = frame.tail;
        else
            UCA0TXBUF = frame.data[i - 1];
    }
}

int main(void) {
    WDTCTL = WDTPW | WDTHOLD; // 停用看门狗

    // 配置UART
    P1SEL = BIT1 + BIT2; // P1.1 = RXD, P1.2=TXD
    P1SEL2 = BIT1 + BIT2; // P1.1 = RXD, P1.2=TXD
    UCA0CTL1 |= UCSSEL_2; // SMCLK
    UCA0BR0 = 104; // 1MHz 9600
    UCA0BR1 = 0; // 1MHz 9600
    UCA0MCTL = UCBRS0; // Modulation UCBRSx = 1
    UCA0CTL1 &= ~UCSWRST; // **Initialize USCI state machine**
    IE2 |= UCA0RXIE; // Enable USCI_A0 RX interrupt

    __bis_SR_register(GIE); // 全局中断使能

    uint8_t data[5] = {0x01, 0x02, 0x03, 0x04, 0x05};

    while (1) {
        // 发送数据帧
        send_frame(data, 5);

        __delay_cycles(1000000);
    }
}

// UART中断服务函数
#pragma vector=USCIAB0RX_VECTOR
__interrupt void USCI0RX_ISR(void) {
    while (!(UCA0IFG & UCTXIFG)); // 等待发送缓冲区空闲
    UCA0TXBUF = UCA0RXBUF; // 将接收到的数据直接发送回去
}

stm32f103c8t6代码：

#include "stm32f10x.h"
#include <stdio.h>
#include <string.h>

// 定义通信协议中的帧头、帧尾和帧长度
#define FRAME_HEADER 0xAA
#define FRAME_TAIL 0x55
#define FRAME_LENGTH 10

// 定义通信协议中的数据帧结构体
typedef struct {
    uint8_t header;
    uint8_t len;
    uint8_t data[FRAME_LENGTH - 2];
    uint8_t crc;
    uint8_t tail;
} frame_t;

// 计算crc校验码
uint8_t crc8(const uint8_t *buf, uint8_t len) {
    uint8_t crc = 0;

    while (len--) {
        uint8_t inbyte = *buf++;
        for (uint8_t i = 8; i; i--) {
            uint8_t mix = (crc ^ inbyte) & 0x01;
            crc >>= 1;
            if (mix)
                crc ^= 0x8C;
            inbyte >>= 1;
        }
    }

    return crc;
}

// 发送数据帧
void send_frame(uint8_t *data, uint8_t len) {
    frame_t frame;

    // 填充帧头、帧尾和帧长度
    frame.header = FRAME_HEADER;
    frame.tail = FRAME_TAIL;
    frame.len = len + 1;

    // 填充数据
    memcpy(frame.data, data, len);

    // 计算crc校验码
    frame.crc = crc8((uint8_t *)&frame.len, frame.len - 1);

    // 发送数据帧
    for (uint8_t i = 0; i < FRAME_LENGTH; i++) {
        while (!(USART2->SR & USART_SR_TXE));
        if (i == 0)
            USART2->DR = frame.header;
        else if (i == FRAME_LENGTH - 2)
            USART2->DR = frame.crc;
        else if (i == FRAME_LENGTH - 1)
            USART2->DR = frame.tail;
        else
            USART2->DR = frame.data[i - 1];
    }
}

int main() {
    // 配置GPIO
    RCC->APB2ENR |= RCC_APB2ENR_IOPCEN;
    GPIOC->CRH &= ~(GPIO_CRH_CNF13_0 | GPIO_CRH_MODE13_0);
    GPIOC->CRH |= GPIO_CRH_MODE13_1;

    // 配置USART2
    RCC->APB1ENR |= RCC_APB1ENR_USART2EN;
    RCC->APB2ENR |= RCC_APB2ENR_IOPAEN;
    GPIOA->CRL |= GPIO_CRL_MODE2_0 | GPIO_CRL_MODE2_1 | GPIO_CRL_CNF2_1;
    USART2->BRR = 0x1D4C; // 72MHz / 9600
    USART2->CR1 = USART_CR1_TE | USART_CR1_RE | USART_CR1_RXNEIE | USART_CR1_UE;

    NVIC_EnableIRQ(USART2_IRQn); // 使能USART2中断

    uint8_t data[5] = {0x01, 0x02, 0x03, 0x04, 0x05};

    while (1) {
        // 发送数据帧
        send_frame(data, 5);

        for (uint32_t i = 0; i < 1000000; i++); // 延时1秒
    }

    return 0;
}

// USART2中断服务函数
void USART2_IRQHandler(void) {
    if (USART2->SR & USART_SR_RXNE) { // 接收到数据
        uint8_t data = USART2->DR;
        while (!(USART2->SR & USART_SR_TXE)); // 等待发送缓冲区空闲
        USART2->DR = data; // 将接收到的数据直接发送回去
    }
}