| | |
| | | #define CMD_READ 1 |
| | | #define CMD_WRITE 2 |
| | | #define CMD_REPLY 3 |
| | | #define EUART_RX_BUF_SIZE 100 |
| | | #define EUART_RX_BUF_SIZE 200 |
| | | typedef enum{ UsartReceiveWaitHead0, |
| | | UsartReceiveWaitHead1, |
| | | UsartReceiveWaitMsgType, |
| | |
| | | UsartReceiveWaitIndex, |
| | | UsartReceiveWaitDataLen, |
| | | UsartReceiveWaitData, |
| | | UsartReceiveWaitChecksum |
| | | UsartReceiveWaitChecksum0, |
| | | UsartReceiveWaitChecksum1 |
| | | }UsartRecvPackState; |
| | | uint8_t mUsartReceivePack[100] = {0}; |
| | | |
| | |
| | | |
| | | UART_PushFrame(send_frame, data_length+9); |
| | | } |
| | | |
| | | u16 rec_checksum; |
| | | void UsartParseDataHandler(uint8_t data) |
| | | { |
| | | static UsartRecvPackState usart_receive_state = UsartReceiveWaitHead0; |
| | |
| | | |
| | | |
| | | |
| | | if(usart_receive_state == UsartReceiveWaitChecksum) { //è¥æ¶å°æ ¡éªåå
|
| | | if(usart_receive_state == UsartReceiveWaitChecksum1) { //è¥æ¶å°æ ¡éªåå
|
| | | checksum = 0; |
| | | for(int i = 0; i<pack_length-5; i++) { |
| | | checksum += mUsartReceivePack[i]; |
| | |
| | | checksum += pack_index; |
| | | checksum += pack_datalen; |
| | | checksum += pack_msgtype; |
| | | checksum = ~checksum; |
| | | cmd_mode = 0; |
| | | if((data + checksum)&0xff == 0xFF) //æ ¡éªéè¿ |
| | | rec_checksum = rec_checksum|(data<<8); |
| | | if((rec_checksum) == (checksum)) //æ ¡éªéè¿ |
| | | { |
| | | switch(pack_cmd) |
| | | { |
| | |
| | | memcpy((uint8_t*)&g_com_map + pack_index, mUsartReceivePack, pack_datalen); |
| | | //è¿åä¸ä¸ªerrorç¶æ |
| | | //SendComMap(pack_datalen,pack_index); |
| | | if((g_com_map[CNT_REBOOT]&0xff)==1) |
| | | { |
| | | returnfactory_parameter(); |
| | | save_com_map_to_flash(); |
| | | delay_ms(100); |
| | | SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //软å¤ä½åå°bootloader |
| | | } |
| | | save_com_map_to_flash(); |
| | | delay_ms(100); |
| | | NVIC_SystemReset(); |
| | |
| | | pack_index = 0; |
| | | pack_length = 0; |
| | | index=0; |
| | | } else if((usart_receive_state == UsartReceiveWaitData) ) { //è¥ææ¶å°çæ¯æ£å¸¸é讯å
|
| | | } else if((usart_receive_state == UsartReceiveWaitChecksum0) ) { |
| | | rec_checksum = data; |
| | | usart_receive_state = UsartReceiveWaitChecksum1; |
| | | }else if((usart_receive_state == UsartReceiveWaitData) ) { //è¥ææ¶å°çæ¯æ£å¸¸é讯å
|
| | | mUsartReceivePack[index] = data; |
| | | index++; |
| | | if(index == pack_length-5) { //妿æ¶å°çindexä¸é¿åº¦ç¸ç |
| | | usart_receive_state = UsartReceiveWaitChecksum; |
| | | usart_receive_state = UsartReceiveWaitChecksum0; |
| | | } |
| | | } else if(usart_receive_state == UsartReceiveWaitDataLen) { //æ¶å°æä»¤ç±»ååè |
| | | pack_datalen = data; |