176 lines
3.4 KiB
C
176 lines
3.4 KiB
C
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#include "mcu_common.h"
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#include "uart_dev.h"
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/* 储存解析时的数据 */
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uint8_t *mcuUartRxBuffer;
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uint16_t mcuUartRxBufferIndex = 0;
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uint8_t *J0_485RxBuffer;
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uint16_t J0_485RxBufferIndex = 0;
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uint8_t *J1_485RxBuffer;
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uint16_t J1_485RxBufferIndex = 0;
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uint8_t *J2_485RxBuffer;
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uint16_t J2_485RxBufferIndex = 0;
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uint8_t *J3_485RxBuffer;
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uint16_t J3_485RxBufferIndex = 0;
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uint8_t *J4_485RxBuffer;
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uint16_t J4_485RxBufferIndex = 0;
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uint8_t *J5_485RxBuffer;
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uint16_t J5_485RxBufferIndex = 0;
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uint8_t *J6_485RxBuffer;
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uint16_t J6_485RxBufferIndex = 0;
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uint8_t *J7_485RxBuffer;
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uint16_t J7_485RxBufferIndex = 0;
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uint8_t *J8_485RxBuffer;
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uint16_t J8_485RxBufferIndex = 0;
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uint8_t *J9_485RxBuffer;
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uint16_t J9_485RxBufferIndex = 0;
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uint8_t *su806RxBuffer;
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uint16_t su806RxBufferIndex = 0;
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uint8_t *loraRxBuffer;
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uint16_t loraRxBufferIndex = 0;
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/* 计时参数，2秒后没解析出一帧数据，丢掉当前数据 */
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uint32_t mcuUartRxTime = 0;
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uint32_t su806UartRxTime = 0;
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/* 状态机状态机变量 */
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uartStateMachine state = wait;
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/* 帧长度 */
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uint16_t frameLength = 0;
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#define hostMcuUartBufferLen 280
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#define slaveMcuUartBufferLen 1100
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#define su806BufferLen 1100
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#define rs485BufferLen 280
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#define loraBufferLen 280
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uint8_t applyDataBuffer(void)
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{
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/* 从mcu */
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if (getMCU()) {
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mcuUartRxBuffer = pvPortMalloc(slaveMcuUartBufferLen);
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J1_485RxBuffer = pvPortMalloc(rs485BufferLen);
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J3_485RxBuffer = pvPortMalloc(rs485BufferLen);
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J5_485RxBuffer = pvPortMalloc(rs485BufferLen);
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J7_485RxBuffer = pvPortMalloc(rs485BufferLen);
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J8_485RxBuffer = pvPortMalloc(rs485BufferLen);
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J9_485RxBuffer = pvPortMalloc(rs485BufferLen);
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}
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/* 主mcu */
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else {
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mcuUartRxBuffer = pvPortMalloc(hostMcuUartBufferLen);
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su806RxBuffer = pvPortMalloc(su806BufferLen);
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J0_485RxBuffer = pvPortMalloc(rs485BufferLen);
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J2_485RxBuffer = pvPortMalloc(rs485BufferLen);
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J4_485RxBuffer = pvPortMalloc(rs485BufferLen);
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J6_485RxBuffer = pvPortMalloc(rs485BufferLen);
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loraRxBuffer = pvPortMalloc(loraBufferLen);
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}
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return 0;
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}
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/**
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* @brief 得到两次获取节拍的差值
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* @param lastTick 上次获取的节拍值
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* @retval
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*/
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uint32_t getTickDiff(uint32_t lastTick)
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{
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int64_t temp;
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temp = xTaskGetTickCount() - lastTick;
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/* 节拍值超过最大值后重新计数 */
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if (temp < 0) {
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temp = portMAX_DELAY - lastTick + xTaskGetTickCount();
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}
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return temp;
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}
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/**
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* @brief 用于波特率转化为传递的值
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* @param
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* @retval
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*/
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int baudConversionConfig(int baud)
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{
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if (baud == 4800) {
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return 0x0001;
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}
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else if (baud == 9600) {
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return 0x0002;
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}
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else if (baud == 19200) {
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return 0x0003;
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}
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else if (baud == 38400) {
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return 0x0004;
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}
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else if (baud == 57600) {
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return 0x0005;
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}
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else if (baud == 115200) {
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return 0x0006;
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}
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return 0x0002;
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}
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/**
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* @brief 用于传递的值转化为波特率
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* @param
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* @retval
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*/
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int configConversionBaud(int config)
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{
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if (config == 0x0001) {
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return 4800;
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}
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else if (config == 0x0002) {
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return 9600;
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}
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else if (config == 0x0003) {
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return 19200;
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}
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else if (config == 0x0004) {
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return 38400;
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}
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else if (config == 0x0005) {
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return 57600;
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}
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else if (config == 0x0006) {
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return 115200;
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}
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return 9600;
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}
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/**
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* @brief 用于modebus16crc校验
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* @param
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* @retval
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*/
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uint16_t modebusCrc(uint8_t *arr_buff, uint8_t len)
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{
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unsigned short crc = 0xFFFF;
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unsigned char i, j;
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for ( j = 0; j < len; j++){
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crc=crc ^ *arr_buff++;
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for (i=0; i<8; i++){
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if((crc&0x0001) >0){
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crc=crc>>1;
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crc=crc^ 0xa001;
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}else{
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crc=crc>>1;
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}
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}
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}
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return crc;
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}
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