| | |
|---|
| | | #define Lora_TXD_bff_MAX 220 //发送缓存区大小 >4+8+4*基站数量+2=14+4*基站数量 |
|---|
| | | |
|---|
| | | uint8_t mUsartReceivePack[100] = {0}; |
|---|
| | | uint8_t mUsart2ReceivePack[150] = {0}; |
|---|
| | | double jd,wd; |
|---|
| | | int analysis_num,pos_state; |
|---|
| | | uint8_t state5V_prase_flag,gps_prase_flag=1; |
|---|
| | | extern void IO_LED_control_change(uint8_t data); |
|---|
| | | extern void IO_control_init(void); |
|---|
| | | extern void blink_led(uint8_t*state); |
|---|
| | | extern void updata_led_power_state(void); |
|---|
| | | extern uint8_t gps_success_state; |
|---|
| | | uint8_t mUsart2ReceivePack[100] = {0}; |
|---|
| | | |
|---|
| | | typedef enum |
|---|
| | | { |
|---|
| | | BLE_RECV_STATE_IDLE = 0, |
|---|
| | |
|---|
| | | BLE_RECV_STATE_RSSI, |
|---|
| | | //BLE_RECV_STATE_LF, |
|---|
| | | } E_BLERecvState; |
|---|
| | | static char gps_header[20]; |
|---|
| | | typedef struct |
|---|
| | | { |
|---|
| | | char m_pData[100]; |
|---|
| | | uint32_t m_u32Len; |
|---|
| | | }GGA_DataStruct; |
|---|
| | | typedef struct |
|---|
| | | { |
|---|
| | | E_BLERecvState m_eState; |
|---|
| | |
|---|
| | | sum = ~sum; |
|---|
| | | return sum; |
|---|
| | | } |
|---|
| | | |
|---|
| | | void SendComMap0(uint8_t data_length, uint8_t index)//表示成功读取的回应包 |
|---|
| | | { |
|---|
| | | static uint8_t send_frame[EUART_RX_BUF_SIZE]; |
|---|
| | | uint16_t checksum = 0; |
|---|
| | | send_frame[0] = 0x55; |
|---|
| | | send_frame[1] = 0xAA; |
|---|
| | | send_frame[2] = 0x03; |
|---|
| | | send_frame[3] = data_length+5; |
|---|
| | | send_frame[4] = CMD_REPLY; |
|---|
| | | send_frame[5] = index; |
|---|
| | | send_frame[6] = data_length; |
|---|
| | | memcpy(&send_frame[7], &g_com_map[index], data_length); |
|---|
| | | for(int i = 0; i<(data_length+5); i++) |
|---|
| | | { |
|---|
| | | checksum += send_frame[2+i]; |
|---|
| | | } |
|---|
| | | checksum = Checksum_u16(&send_frame[2],5+data_length); |
|---|
| | | memcpy(&send_frame[7+data_length],&checksum,2); |
|---|
| | | |
|---|
| | | uart_send(UART_ID0, send_frame,data_length+9, NULL); |
|---|
| | | } |
|---|
| | | void SendComMap(uint8_t data_length, uint8_t index)//表示成功读取的回应包 |
|---|
| | | { |
|---|
| | | static uint8_t send_frame[EUART_RX_BUF_SIZE]; |
|---|
| | |
|---|
| | | } |
|---|
| | | |
|---|
| | | } |
|---|
| | | extern uint8_t enable_sleep_count,sleep_flag; |
|---|
| | | void UsartParseDataHandler(uint8_t data) |
|---|
| | | { |
|---|
| | | if(state5V_prase_flag){//升级程序 |
|---|
| | | static UsartRecvPackState usart_receive_state = UsartReceiveWaitHead0; |
|---|
| | | uint16_t checksum = 0; |
|---|
| | | static uint8_t pack_datalen = 0,pack_length = 0,pack_index = 0,pack_msgtype = 0,pack_cmd = CMD_READ; |
|---|
| | |
|---|
| | | { |
|---|
| | | 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, mUsartReceivePack, pack_datalen); |
|---|
| | | |
|---|
| | | if(mUsartReceivePack[0]==1) |
|---|
| | | UpdateProcess(pack_index); |
|---|
| | | //返回一个error状态 |
|---|
| | |
|---|
| | | NVIC_SystemReset(); |
|---|
| | | break; |
|---|
| | | case CMD_READ: |
|---|
| | | enable_sleep_count=0; |
|---|
| | | //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 |
|---|
| | | SendComMap(pack_datalen,pack_index>>1); |
|---|
| | | SendComMap0(pack_datalen,pack_index>>1); |
|---|
| | | break; |
|---|
| | | default: |
|---|
| | | break; |
|---|
| | |
|---|
| | | pack_index = 0; |
|---|
| | | pack_length = 0; |
|---|
| | | } |
|---|
| | | }else if(gps_prase_flag){ |
|---|
| | | //GPS解析数据 |
|---|
| | | // static ST_BLERecv BLE_recvive; |
|---|
| | | GGA_DataStruct jdrecv,wdrecv,Posstate; |
|---|
| | | static uint8_t index = 0; |
|---|
| | | //接收数据开始分析 |
|---|
| | | mUsart2ReceivePack[index] = data; //char数组传进来参数data |
|---|
| | | mUsart2ReceivePack_before = mUsart2ReceivePack_now; |
|---|
| | | mUsart2ReceivePack_now=data; |
|---|
| | | index++; |
|---|
| | | if( mUsart2ReceivePack_before == 0x0D && mUsart2ReceivePack_now==0x0A )//接收数据到“0x0D 0x0A”结束 |
|---|
| | | { |
|---|
| | | //解析该条GPS报文 |
|---|
| | | analysis_num=sscanf((char*)mUsart2ReceivePack,"$%[^,],%*[^,],%[^,],%*[^,],%[^,],%*[^,],%[^,],%*[^,],%*[^,],%*[^,],%*[^,],%*[^,],%*[^,],%*[^,],%*s",gps_header,wdrecv.m_pData,jdrecv.m_pData,Posstate.m_pData); |
|---|
| | | if(!memcmp(gps_header,"GNGGA",5)){ |
|---|
| | | wd=strtod(wdrecv.m_pData,NULL); |
|---|
| | | jd=strtod(jdrecv.m_pData,NULL); |
|---|
| | | pos_state=atoi(Posstate.m_pData); |
|---|
| | | }else{ |
|---|
| | | wd=0; |
|---|
| | | jd=0; |
|---|
| | | } |
|---|
| | | if(jd!=0&&wd!=0){ |
|---|
| | | blink_led(&gps_success_state); |
|---|
| | | } |
|---|
| | | memset(mUsart2ReceivePack,0,sizeof(mUsart2ReceivePack)); |
|---|
| | | memset(wdrecv.m_pData,0,sizeof(wdrecv.m_pData)); |
|---|
| | | memset(jdrecv.m_pData,0,sizeof(jdrecv.m_pData)); |
|---|
| | | memset(Posstate.m_pData,0,sizeof(Posstate.m_pData)); |
|---|
| | | index=0; |
|---|
| | | mUsart2ReceivePack_before=0; |
|---|
| | | mUsart2ReceivePack_now=0; |
|---|
| | | } |
|---|
| | | } |
|---|
| | | |
|---|
| | | } |
|---|
| | | |
|---|
| | | void Usart2ParseDataHandler(uint8_t data)//UART蓝牙数据分析处理 |
|---|
