Extend STM mbed board. Thanks Y.Kuroda-san for creating good function.
Dependents: Frequency_Counter_w_GPS_1PPS FreqCntr_GPS1PPS_F746F4xx_w_recipro
Fork of iSerial by
iSerial.cpp
- Committer:
- kenjiArai
- Date:
- 2016-11-16
- Revision:
- 11:6bea021727a1
- Parent:
- 9:45be5c5d5101
File content as of revision 11:6bea021727a1:
// // iSerial.cpp ... Serial Driver with Interrupt Rec/Send // // 2009.11.13 ... Originally written by Y.Kuroda for Renesas H83664 // 2012.08.31 ... Code convert for mbed in C++ // 2015.01.02 ... Added other mbed code by JH1PJL // 2016.11.11 ... small modification // #include <stdarg.h> #include "mbed.h" #include "RingBuffer.h" #include "iSerial.h" // Device header files #include "iSerial_DISCOF746.h" #include "iSerial_LPC11U24.h" #include "iSerial_LPC1768.h" #include "iSerial_NucleoF4xx.h" #include "iSerial_NucleoL152.h" /* * Interrupt Function */ void iSerial::rx_handler(void) { while(Serial::readable()) rxbuf.save(Serial::getc()); } void iSerial::tx_handler(void) { while(Serial::writeable() && txbuf.check()) Serial::putc( txbuf.read() ); } iSerial::iSerial(PinName _tx, PinName _rx, int _txbufsize, int _rxbufsize) : Serial(_tx, _rx), tx(_tx), rx(_rx), txbufsize(_txbufsize), rxbufsize(_rxbufsize), txbuf(RingBuffer(txbufsize)), rxbuf(RingBuffer(rxbufsize)), str(new char [txbufsize]) { __disable_irq(); attach(this, &iSerial::tx_handler, Serial::TxIrq); attach(this, &iSerial::rx_handler, Serial::RxIrq); // format(8,Serial::None,1); // default // baud(baudrate); __enable_irq(); enable_uart_irq(); } iSerial::~iSerial() { delete [] str; } int iSerial::readable(void) { return rxbuf.check(); } int iSerial::getc(void) { unsigned short int c; while(!rxbuf.check()); // wait receiving a character disable_uart_irq(); c = rxbuf.read(); enable_uart_irq(); return c; } void iSerial::putc(short ch) { if(txbuf.check()==0 && Serial::writeable()) { Serial::putc(ch); } else { while(txbuf.full()) { disable_uart_irq(); tx_handler(); enable_uart_irq(); } disable_uart_irq(); txbuf.save(ch); enable_uart_irq(); } } short int iSerial::putstr(const char* s) { int i=0; for(; ; i++) { if(*s==0) break; putc(*s++); } return i; } short int iSerial::puts(const char* s) { short int n = putstr(s); putc(CR); putc(LF); return n; } char* iSerial::printf(const char* format, ...) { va_list arg; va_start(arg,format); vsprintf(str, format, arg); va_end(arg); putstr(str); return str; } void iSerial::flush(void) { while(txbuf.check()) enable_uart_irq(); }