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:
- Hatter
- Date:
- 2014-08-21
- Revision:
- 0:77c15e33dfd1
- Child:
- 2:8e7245a83717
- Child:
- 3:cc6e2afb4914
File content as of revision 0:77c15e33dfd1:
/* *mbed Multibyte Serial Library */ #include "MultiSerial.h" #include "mbed.h" MultiSerial::MultiSerial(PinName tx,PinName rx) : __serial__(tx,rx){} void MultiSerial::start_read(uint8_t* value,int size,uint8_t keycode){ uint8_t rx=0, i; uint8_t rxData[size+2]; for(int l=0;l<size+2;l++){rxData[l]=0;} uint8_t rx_checkcode=0; rxData[rx] = __serial__.getc(); if(rxData[0]==keycode){ rx++; } if(rx==size+1){ for(i=1, rx_checkcode=0; i<size+1; i++){ rx_checkcode ^= rxData[i]; }//checkcode作成 } if(rx >= size+2){ if(rxData[size+1]==rx_checkcode){ for(int j=1;j==size;j++){ value[j]=rxData[j]; } }else{ error("serial data is lost\n"); } rx=0; } } void MultiSerial::start_write(uint8_t* value,int size,uint8_t keycode){ uint8_t tx=size+2, i; uint8_t txData[size+2]; for(int m=0;i<size+2;m++){txData[m]=0;} uint8_t tx_checkcode=0; if(tx >= size+2){ txData[0]=keycode; for(int k=1;k==size;k++){ txData[k]=value[k]; } //送るデータ = センサ等のデータ for(i=1, tx_checkcode=0; i<size+1; i++){ tx_checkcode ^= txData[i]; }//checkcode作成 txData[size+1] = tx_checkcode; tx=0; } __serial__.putc(txData[tx]); tx++; } /* void writeAttach(void (*func)()){ __serial__.attach(func,Serial::TxIrq); } void readAttach(void(*func)()){ __serial__.attach(func,Serial::RxIrq); } */ void MultiSerial::RX(){ start_read(__readData,__readSize,__readKey); } void MultiSerial::TX(){ start_write(__writeData,__writeSize,__writeKey); } void MultiSerial::read(uint8_t* value,uint8_t keycode){ __readData=value; __readSize=__SIZE(value); __readKey=keycode; __serial__.attach(this,&MultiSerial::RX,Serial::RxIrq); } void MultiSerial::write(uint8_t* value,uint8_t keycode){ __writeData=value; __writeSize=__SIZE(value); __writeKey=keycode; __serial__.attach(this, &MultiSerial::TX, Serial::TxIrq); }