uint8_t型とunsigned char型に対応した多バイトシリアル通信用ライブラリ
Dependents: multiserial_test serial_check_controller receiverA receiver_transmitter ... more
MultiSerial.cpp
- Committer:
- bousiya03
- Date:
- 2014-10-14
- Revision:
- 24:0ca02e8c37e5
- Parent:
- 23:8209d99397b8
- Child:
- 25:1df5616cc007
File content as of revision 24:0ca02e8c37e5:
/* *mbed Multibyte Serial Library */ #include "mbed.h" #include "MultiSerial.h" #include "RawSerial.h" MultiSerial::MultiSerial(PinName tx,PinName rx) : __serial__(tx,rx){} void MultiSerial::start_write(){ __serial__.attach(this,&MultiSerial::TX,RawSerial::TxIrq); __serial__.putc(1); } void MultiSerial::start_read(){ __serial__.attach(this,&MultiSerial::RX,RawSerial::RxIrq); uint8_t k = __serial__.getc(); __first_bit = k; } void MultiSerial::read_data(uint8_t* readData,uint8_t readKey){ __readData = readData; __readSize = __SIZE(__readData); __readKey = readKey; } void MultiSerial::write_data(uint8_t* writeData,uint8_t writeKey){ __writeData = writeData; __writeSize = __SIZE(__writeData); __writeKey = writeKey; } void MultiSerial::TX(void){ static uint8_t tx = __writeSize+2, i; static uint8_t txData[MAX_DATA_NUM] = {__writeKey}; static uint8_t tx_checkcode = 0; if(tx >= __writeSize+2){ txData[0] = __writeKey; for(int k = 1;k <= __writeSize;k++){ txData[k] = __writeData[k-1]; } for(i = 1, tx_checkcode = 0; i<__writeSize+1; i++){ tx_checkcode ^= txData[i]; } txData[__writeSize+1] = tx_checkcode; tx=0; } __serial__.putc(txData[tx]); tx++; } void MultiSerial::RX(void){ static uint8_t rx = 0, i; static uint8_t rxData[MAX_DATA_NUM] = {__readKey}; static uint8_t rx_checkcode = 0; rxData[rx] = __serial__.getc(); if(rxData[0] == __readKey){ rx++; } if(rx == __readSize+1){ for(i = 1, rx_checkcode = 0; i < __readSize+1; i++){ rx_checkcode ^= rxData[i]; } } if(rx >= __readSize+2){ if(rxData[__readSize+1] == rx_checkcode){ __check_rx = 1; for(int m = 1;m <= __readSize;m++){ __readData[m-1] = rxData[m]; } }else{ __check_rx = 0; } rx = 0; } } uint8_t MultiSerial::readable_check(){ return __serial__.readable(); } void MultiSerial::check_rx_wait(){ if(__check_rx==0) NVIC_SystemReset(); }