| | |
| | | uart_send(UART_ID0, send_frame,8, NULL); |
| | | } |
| | | uint16_t pack_checksum_test=0,test_calculate = 0; |
| | | void Usart3ParseDataHandler(uint8_t data)//UART蓝牙数据分析处理 |
| | | { |
| | | // 全局变量 |
| | | static Usart0ReceiveState usart0_receive_state = Usart0ReceiveWaitHead0; |
| | | |
| | | static uint8_t index = 0; // 缓冲区索引 |
| | | static uint8_t pack_cmd_type = 0; // 指令类型 |
| | | static uint8_t pack_msg_type = 0; // 消息类型 |
| | | static uint8_t pack_data_len = 0; // 数据长度 |
| | | static uint8_t pack_param_addr = 0; // 参数地址 |
| | | static uint16_t pack_checksum = 0; // 接收到的校验和 |
| | | static uint16_t calculated_checksum = 0; // 计算得到的校验和 |
| | | static uint8_t send_frame[256]; // 用于计算校验和的帧 |
| | | static uint8_t frame_index = 0; // 帧缓冲区索引 |
| | | static uint8_t pack_datalen = 0; |
| | | |
| | | switch(usart0_receive_state) { |
| | | case Usart0ReceiveWaitHead0: |
| | | if(data == 0x55) { |
| | | usart0_receive_state = Usart0ReceiveWaitHead1; |
| | | // 初始化帧缓冲区 |
| | | frame_index = 0; |
| | | send_frame[frame_index++] = data; |
| | | } |
| | | break; |
| | | |
| | | case Usart0ReceiveWaitHead1: |
| | | if(data == 0xAA) { |
| | | usart0_receive_state = Usart0ReceiveWaitCmdType; |
| | | send_frame[frame_index++] = data; |
| | | } else { |
| | | usart0_receive_state = Usart0ReceiveWaitHead0; |
| | | } |
| | | break; |
| | | |
| | | case Usart0ReceiveWaitCmdType: |
| | | if(data == 64) { |
| | | pack_cmd_type = data; |
| | | usart0_receive_state = Usart0ReceiveWaitMsgType; |
| | | send_frame[frame_index++] = data; |
| | | } else { |
| | | usart0_receive_state = Usart0ReceiveWaitHead0; |
| | | } |
| | | break; |
| | | |
| | | case Usart0ReceiveWaitMsgType: |
| | | if(data == 0x2||data==0x1||data==0x3) { // 读写回复消息类型 |
| | | pack_msg_type = data; |
| | | usart0_receive_state = Usart0ReceiveWaitDataLen; |
| | | send_frame[frame_index++] = data; |
| | | } else { |
| | | usart0_receive_state = Usart0ReceiveWaitHead0; |
| | | } |
| | | break; |
| | | |
| | | case Usart0ReceiveWaitDataLen: |
| | | pack_data_len = data; |
| | | index = 0; |
| | | usart0_receive_state = Usart0ReceiveWaitParamAddr; |
| | | send_frame[frame_index++] = data; |
| | | break; |
| | | |
| | | case Usart0ReceiveWaitParamAddr: |
| | | pack_param_addr = data; |
| | | if(pack_msg_type==CMD_READ) |
| | | { |
| | | usart0_receive_state = Usart0ReceiveWaitChecksum1; |
| | | pack_datalen=pack_data_len-6; |
| | | }else{ |
| | | usart0_receive_state = Usart0ReceiveWaitData; |
| | | } |
| | | send_frame[frame_index++] = data; |
| | | break; |
| | | |
| | | case Usart0ReceiveWaitData: |
| | | send_frame[frame_index++] = data; |
| | | mUsart2ReceivePack[index++] = data; |
| | | |
| | | if(index == pack_data_len-6) { |
| | | usart0_receive_state = Usart0ReceiveWaitChecksum1; |
| | | pack_datalen=pack_data_len-6; |
| | | } |
| | | break; |
| | | |
| | | case Usart0ReceiveWaitChecksum1: |
| | | pack_checksum = data << 8; // 高字节 |
| | | pack_checksum_test = data << 8; // 高字节 |
| | | send_frame[frame_index++] = data; |
| | | usart0_receive_state = Usart0ReceiveWaitChecksum2; |
| | | break; |
| | | case Usart0ReceiveWaitChecksum2: |
| | | pack_checksum |= data; // 低字节 |
| | | pack_checksum_test |= data; // 低字节 |
| | | // 计算校验和 (从第3个字节开始,长度为4+数据长度) |
| | | if(pack_msg_type!=CMD_READ) |
| | | { |
| | | calculated_checksum = Checksum_u16(&send_frame[2],pack_datalen+4); |
| | | }else{ |
| | | calculated_checksum = Checksum_u16(&send_frame[2],4); |
| | | } |
| | | test_calculate=calculated_checksum; |
| | | // 验证校验和 |
| | | if(pack_checksum == calculated_checksum) { |
| | | // 校验通过,处理数据 |
| | | switch(pack_msg_type) |
| | | { |
| | | //case CMD_REPLY: |
| | | case CMD_WRITE: |
| | | //从mUsartReceivePack中读取pack_length长度的字节,放到全局变量中,赋值保存的参数并且存入flash |
| | | |
| | | memcpy((uint8_t*)&g_com_map + pack_param_addr*2, mUsart2ReceivePack, pack_datalen); |
| | | |
| | | //返回一个error状态 |
| | | //SendComMap(pack_datalen,pack_index); |
| | | save_com_map_to_flash(); |
| | | //delay_ms(100); |
| | | // NVIC_SystemReset(); |
| | | break; |
| | | case CMD_READ: |
| | | uart0_send_ComMap_to_BLE(pack_datalen,pack_param_addr); |
| | | |
| | | break; |
| | | // case CMD_REPLY: |
| | | // memcpy((uint8_t*)&g_com_map + pack_param_addr, mUsart2ReceivePack, pack_datalen); |
| | | // save_com_map_to_flash(); |
| | | // break; |
| | | default: |
| | | break; |
| | | } |
| | | } |
| | | |
| | | // 重置状态机 |
| | | usart0_receive_state = Usart0ReceiveWaitHead0; |
| | | index = 0; |
| | | frame_index = 0; |
| | | break; |
| | | |
| | | default: |
| | | usart0_receive_state = Usart0ReceiveWaitHead0; |
| | | index = 0; |
| | | frame_index = 0; |
| | | break; |
| | | } |
| | | |
| | | |
| | | // if(usart_receive_state == UsartReceiveWaitChecksum) { //若收到校验和包 |
| | | // checksum = 0; |
| | | // for(int i = 0; i<pack_length-5; i++) { |
| | | // checksum += mUsart2ReceivePack[i]; |
| | | // } |
| | | // checksum += pack_cmd; |
| | | // checksum += pack_length; |
| | | // checksum += pack_index; |
| | | // checksum += pack_datalen; |
| | | // checksum += pack_msgtype; |
| | | // if(((data + checksum)&0xff) == 0xFF) //校验通过 |
| | | // { |
| | | // switch(pack_cmd) |
| | | // { |
| | | // case CMD_WRITE: |
| | | // //从mUsartReceivePack中读取pack_length长度的字节,放到全局变量中,赋值保存的参数并且存入flash |
| | | // enable_sleep_count=0; |
| | | // memcpy((uint8_t*)&g_com_map + pack_index, mUsart2ReceivePack, pack_datalen); |
| | | // |
| | | // if(mUsart2ReceivePack[0]==1) |
| | | // UpdateProcess(pack_index); |
| | | // //返回一个error状态 |
| | | // //SendComMap(pack_datalen,pack_index); |
| | | // save_com_map_to_flash(); |
| | | // //delay_ms(100); |
| | | // //NVIC_SystemReset(); |
| | | // break; |
| | | // case CMD_READ: |
| | | // //read包中data字节,即mUsartReceivePack[0]表示数据长度; |
| | | // //从g_com_data结构体中的第index位置读取长度为mUsartReceivePack[0]的字节,发送出来 |
| | | // SendComMap0(pack_datalen,pack_index>>1); |
| | | // break; |
| | | // default: |
| | | // break; |
| | | // } |
| | | // } |
| | | // usart_receive_state = UsartReceiveWaitHead0; |
| | | // pack_index = 0; |
| | | // pack_length = 0; |
| | | // index=0; |
| | | // } else if((usart_receive_state == UsartReceiveWaitData) ) { //若果收到的是正常通讯包 |
| | | // mUsart2ReceivePack[index] = data; |
| | | // index++; |
| | | // if(index == pack_length-5) { //如果收到的index与长度相等 |
| | | // usart_receive_state = UsartReceiveWaitChecksum; |
| | | // } |
| | | // } else if(usart_receive_state == UsartReceiveWaitDataLen) { //收到指令类型字节 |
| | | // pack_datalen = data; |
| | | // usart_receive_state = UsartReceiveWaitData; |
| | | // }else if(usart_receive_state == UsartReceiveWaitIndex) { //收到指令类型字节 |
| | | // pack_index = data; |
| | | // usart_receive_state = UsartReceiveWaitDataLen; |
| | | // } else if(usart_receive_state == UsartReceiveWaitCMD) { //收到指令类型字节 |
| | | // pack_cmd = data; |
| | | // usart_receive_state = UsartReceiveWaitIndex; |
| | | // } else if(usart_receive_state == UsartReceiveWaitLength) { //收到长度字节 |
| | | // |
| | | // pack_length = data; |
| | | // pack_index = 0; |
| | | // usart_receive_state = UsartReceiveWaitCMD; |
| | | // |
| | | // } else if((usart_receive_state == UsartReceiveWaitHead0) && (data == 0x55)) { //收到第一个包头 |
| | | // usart_receive_state = UsartReceiveWaitHead1; |
| | | // } else if((usart_receive_state == UsartReceiveWaitHead1) && (data == 0xAA)) { //收到第二个包头 |
| | | // usart_receive_state = UsartReceiveWaitMsgType; |
| | | // }else if ((usart_receive_state == UsartReceiveWaitMsgType) && (data == 0x3)) { |
| | | // usart_receive_state = UsartReceiveWaitLength; |
| | | // pack_msgtype = data; |
| | | // } |
| | | // else { |
| | | // usart_receive_state = UsartReceiveWaitHead0; |
| | | // pack_index = 0; |
| | | // pack_length = 0; |
| | | // } |
| | | } |
| | | extern uint16_t set_mk_time; |
| | | void Send_Reply_To_Ble(void) |
| | | { |
| | |
| | | uart_send(UART_ID0, send_frame,12, NULL); |
| | | uart_send(UART_ID1, send_frame,12, NULL); |
| | | } |
| | | void mk_send_updata_to_BLE(void) |
| | | { |
| | | static uint8_t send_frame[100]; |
| | | uint16_t checksum = 0; |
| | | send_frame[0] = 0x55; |
| | | send_frame[1] = 0xAA; |
| | | send_frame[2] = 0x40; |
| | | send_frame[3] = CMD_MK_TO_BLE; |
| | | send_frame[4]=8;//数据长度 |
| | | send_frame[5]=0xcc; |
| | | send_frame[6]=0xcc; |
| | | send_frame[7]=0; |
| | | memcpy(&send_frame[8],&set_mk_time,2); |
| | | checksum=Checksum_u16(&send_frame[2],8); |
| | | memcpy(&send_frame[10],&checksum,2); |
| | | //LOG_INFO(TRACE_MODULE_APP,"发给ble的checksum %#x\r\n",checksum); |
| | | uart_send(UART_ID0, send_frame,12, NULL); |
| | | uart_send(UART_ID1, send_frame,12, NULL); |
| | | } |
| | | void mk_send_offupdata_to_BLE(void) |
| | | { |
| | | static uint8_t send_frame[100]; |
| | | uint16_t checksum = 0; |
| | | send_frame[0] = 0x55; |
| | | send_frame[1] = 0xAA; |
| | | send_frame[2] = 0x40; |
| | | send_frame[3] = CMD_MK_TO_BLE; |
| | | send_frame[4]=8;//数据长度 |
| | | send_frame[5]=0xcc; |
| | | send_frame[6]=0xcd; |
| | | send_frame[7]=0; |
| | | memcpy(&send_frame[8],&set_mk_time,2); |
| | | checksum=Checksum_u16(&send_frame[2],8); |
| | | memcpy(&send_frame[10],&checksum,2); |
| | | //LOG_INFO(TRACE_MODULE_APP,"发给ble的checksum %#x\r\n",checksum); |
| | | uart_send(UART_ID0, send_frame,12, NULL); |
| | | uart_send(UART_ID1, send_frame,12, NULL); |
| | | } |
| | | extern uint8_t bat_percent; |
| | | extern uint32_t dev_id; |
| | | |