Xinlei Cao / C027_Support

Own fork of C027_Support

Dependents:   MbedSmartRestMain MbedSmartRestMain

Fork of C027_Support by u-blox

SerialPipe.cpp@19:2b5d097ca15d, 2014-03-24 (annotated)

Committer:
mazgch
Date:
Mon Mar 24 07:38:05 2014 +0000
Revision:
19:2b5d097ca15d
Parent:
18:e5697801df29
Child:
35:9275215a3a5b
prepare for native C027 platform support; add api to get lat/lon; better separation of mdm libarary from serial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mazgch 9:e7a5959ffae1 1 #pragma once
mazgch 9:e7a5959ffae1 2
mazgch 9:e7a5959ffae1 3 #include "SerialPipe.h"
mazgch 9:e7a5959ffae1 4
mazgch 15:5eda64e5b9d1 5 SerialPipe::SerialPipe(PinName tx, PinName rx, int rxSize, int txSize)
mazgch 15:5eda64e5b9d1 6 : _SerialPipeBase(tx,rx), _pipeRx(rxSize), _pipeTx(txSize)
mazgch 9:e7a5959ffae1 7 {
mazgch 9:e7a5959ffae1 8 attach(this, &SerialPipe::rxIrqBuf, RxIrq);
mazgch 9:e7a5959ffae1 9 attach(this, &SerialPipe::txIrqBuf, TxIrq);
mazgch 9:e7a5959ffae1 10 }
mazgch 9:e7a5959ffae1 11
mazgch 19:2b5d097ca15d 12
mazgch 19:2b5d097ca15d 13 #if DEVICE_SERIAL_FC
mazgch 17:296d94a006b4 14 SerialPipe::SerialPipe(PinName tx, PinName rx, PinName rts, PinName cts,
mazgch 17:296d94a006b4 15 int rxSize, int txSize)
mazgch 17:296d94a006b4 16 : _SerialPipeBase(tx,rx), _pipeRx(rxSize), _pipeTx(txSize)
mazgch 17:296d94a006b4 17 {
mazgch 17:296d94a006b4 18 attach(this, &SerialPipe::rxIrqBuf, RxIrq);
mazgch 17:296d94a006b4 19 attach(this, &SerialPipe::txIrqBuf, TxIrq);
mazgch 17:296d94a006b4 20
mazgch 17:296d94a006b4 21 set_flow_control(RTSCTS, rts, cts);
mazgch 17:296d94a006b4 22 }
mazgch 19:2b5d097ca15d 23 #endif
mazgch 17:296d94a006b4 24
mazgch 9:e7a5959ffae1 25 SerialPipe::~SerialPipe(void)
mazgch 9:e7a5959ffae1 26 {
mazgch 9:e7a5959ffae1 27 attach(NULL, RxIrq);
mazgch 9:e7a5959ffae1 28 attach(NULL, TxIrq);
mazgch 9:e7a5959ffae1 29 }
mazgch 9:e7a5959ffae1 30
mazgch 9:e7a5959ffae1 31 // tx channel
mazgch 13:e2446fcdc246 32 int SerialPipe::writeable(void)
mazgch 13:e2446fcdc246 33 {
mazgch 13:e2446fcdc246 34 return _pipeTx.free();
mazgch 13:e2446fcdc246 35 }
mazgch 13:e2446fcdc246 36
mazgch 13:e2446fcdc246 37 int SerialPipe::putc(int c)
mazgch 13:e2446fcdc246 38 {
mazgch 15:5eda64e5b9d1 39 c = _pipeTx.putc(c);
mazgch 15:5eda64e5b9d1 40 txStart();
mazgch 15:5eda64e5b9d1 41 return c;
mazgch 13:e2446fcdc246 42 }
mazgch 13:e2446fcdc246 43
mazgch 13:e2446fcdc246 44 int SerialPipe::put(const void* buffer, int length, bool blocking)
mazgch 9:e7a5959ffae1 45 {
mazgch 13:e2446fcdc246 46 int count = length;
mazgch 13:e2446fcdc246 47 const char* ptr = (const char*)buffer;
mazgch 15:5eda64e5b9d1 48 if (count)
mazgch 9:e7a5959ffae1 49 {
mazgch 15:5eda64e5b9d1 50 do
mazgch 15:5eda64e5b9d1 51 {
mazgch 15:5eda64e5b9d1 52 int written = _pipeTx.put(ptr, count, false);
mazgch 15:5eda64e5b9d1 53 ptr += written;
mazgch 15:5eda64e5b9d1 54 count -= written;
mazgch 15:5eda64e5b9d1 55 txStart();
mazgch 15:5eda64e5b9d1 56 }
mazgch 15:5eda64e5b9d1 57 while (count && blocking);
mazgch 9:e7a5959ffae1 58 }
mazgch 13:e2446fcdc246 59 return (length - count);
mazgch 13:e2446fcdc246 60 }
mazgch 13:e2446fcdc246 61
mazgch 9:e7a5959ffae1 62 void SerialPipe::txIrqBuf(void)
mazgch 9:e7a5959ffae1 63 {
mazgch 15:5eda64e5b9d1 64 while (_SerialPipeBase::writeable() && _pipeTx.readable())
mazgch 11:b084552b03fe 65 {
mazgch 13:e2446fcdc246 66 char c = _pipeTx.getc();
mazgch 15:5eda64e5b9d1 67 _SerialPipeBase::_base_putc(c);
mazgch 11:b084552b03fe 68 }
mazgch 9:e7a5959ffae1 69 }
mazgch 9:e7a5959ffae1 70
mazgch 13:e2446fcdc246 71 void SerialPipe::txStart(void)
mazgch 13:e2446fcdc246 72 {
mazgch 13:e2446fcdc246 73 __disable_irq();
mazgch 13:e2446fcdc246 74 txIrqBuf();
mazgch 13:e2446fcdc246 75 __enable_irq();
mazgch 13:e2446fcdc246 76 }
mazgch 13:e2446fcdc246 77
mazgch 9:e7a5959ffae1 78 // rx channel
mazgch 9:e7a5959ffae1 79 int SerialPipe::readable(void)
mazgch 9:e7a5959ffae1 80 {
mazgch 9:e7a5959ffae1 81 return _pipeRx.readable();
mazgch 9:e7a5959ffae1 82 }
mazgch 9:e7a5959ffae1 83
mazgch 9:e7a5959ffae1 84 int SerialPipe::getc(void)
mazgch 9:e7a5959ffae1 85 {
mazgch 15:5eda64e5b9d1 86 if (!_pipeRx.readable())
mazgch 15:5eda64e5b9d1 87 return EOF;
mazgch 15:5eda64e5b9d1 88 return _pipeRx.getc();
mazgch 13:e2446fcdc246 89 }
mazgch 13:e2446fcdc246 90
mazgch 13:e2446fcdc246 91 int SerialPipe::get(void* buffer, int length, bool blocking)
mazgch 13:e2446fcdc246 92 {
mazgch 13:e2446fcdc246 93 return _pipeRx.get((char*)buffer,length,blocking);
mazgch 13:e2446fcdc246 94 }
mazgch 13:e2446fcdc246 95
mazgch 9:e7a5959ffae1 96 void SerialPipe::rxIrqBuf(void)
mazgch 9:e7a5959ffae1 97 {
mazgch 15:5eda64e5b9d1 98 while (_SerialPipeBase::readable())
mazgch 9:e7a5959ffae1 99 {
mazgch 15:5eda64e5b9d1 100 char c = _SerialPipeBase::_base_getc();
mazgch 9:e7a5959ffae1 101 if (_pipeRx.writeable())
mazgch 13:e2446fcdc246 102 _pipeRx.putc(c);
mazgch 9:e7a5959ffae1 103 else
mazgch 9:e7a5959ffae1 104 /* overflow */;
mazgch 9:e7a5959ffae1 105 }
mazgch 9:e7a5959ffae1 106 }
mazgch 9:e7a5959ffae1 107