cliff Hong / WizFi250Interface_170921

123

Fork of WizFi250Interface_1 by cliff Hong

WizFi250/WizFi250_hal.cpp@3:f78b0e66ed67, 2017-09-21 (annotated)

Committer:
cliff1
Date:
Thu Sep 21 01:01:02 2017 +0000
Revision:
3:f78b0e66ed67
Parent:
0:e3dc9e54a15b 
test20170921

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kaizen 0:e3dc9e54a15b 1 /*
kaizen 0:e3dc9e54a15b 2 * Copyright (C) 2013 gsfan, MIT License
kaizen 0:e3dc9e54a15b 3 *
kaizen 0:e3dc9e54a15b 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
kaizen 0:e3dc9e54a15b 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
kaizen 0:e3dc9e54a15b 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
kaizen 0:e3dc9e54a15b 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
kaizen 0:e3dc9e54a15b 8 * furnished to do so, subject to the following conditions:
kaizen 0:e3dc9e54a15b 9 *
kaizen 0:e3dc9e54a15b 10 * The above copyright notice and this permission notice shall be included in all copies or
kaizen 0:e3dc9e54a15b 11 * substantial portions of the Software.
kaizen 0:e3dc9e54a15b 12 *
kaizen 0:e3dc9e54a15b 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
kaizen 0:e3dc9e54a15b 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
kaizen 0:e3dc9e54a15b 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
kaizen 0:e3dc9e54a15b 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
kaizen 0:e3dc9e54a15b 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
kaizen 0:e3dc9e54a15b 18 */
kaizen 0:e3dc9e54a15b 19 /* Copyright (C) 2014 Wiznet, MIT License
kaizen 0:e3dc9e54a15b 20 * port to the Wiznet Module WizFi250
kaizen 0:e3dc9e54a15b 21 */
kaizen 0:e3dc9e54a15b 22
kaizen 0:e3dc9e54a15b 23 #include "WizFi250.h"
kaizen 0:e3dc9e54a15b 24
kaizen 0:e3dc9e54a15b 25 void WizFi250::setReset(bool flg)
kaizen 0:e3dc9e54a15b 26 {
kaizen 0:e3dc9e54a15b 27 if( flg )
kaizen 0:e3dc9e54a15b 28 {
kaizen 0:e3dc9e54a15b 29 // low
kaizen 0:e3dc9e54a15b 30 _reset.output();
kaizen 0:e3dc9e54a15b 31 _reset = 0;
kaizen 0:e3dc9e54a15b 32 }
kaizen 0:e3dc9e54a15b 33 else
kaizen 0:e3dc9e54a15b 34 {
kaizen 0:e3dc9e54a15b 35 // high z
kaizen 0:e3dc9e54a15b 36 _reset.input();
kaizen 0:e3dc9e54a15b 37 _reset.mode(PullNone);
kaizen 0:e3dc9e54a15b 38 }
kaizen 0:e3dc9e54a15b 39 }
kaizen 0:e3dc9e54a15b 40
kaizen 0:e3dc9e54a15b 41 void WizFi250::isrUart()
kaizen 0:e3dc9e54a15b 42 {
kaizen 0:e3dc9e54a15b 43 char c;
kaizen 0:e3dc9e54a15b 44
kaizen 0:e3dc9e54a15b 45 c = getUart();
kaizen 0:e3dc9e54a15b 46
kaizen 0:e3dc9e54a15b 47 recvData(c);
kaizen 0:e3dc9e54a15b 48 //S_UartPutc(c);
kaizen 0:e3dc9e54a15b 49 }
kaizen 0:e3dc9e54a15b 50
kaizen 0:e3dc9e54a15b 51 int WizFi250::getUart()
kaizen 0:e3dc9e54a15b 52 {
kaizen 0:e3dc9e54a15b 53 return _wizfi.getc();
kaizen 0:e3dc9e54a15b 54 }
kaizen 0:e3dc9e54a15b 55
kaizen 0:e3dc9e54a15b 56 void WizFi250::putUart (char c)
kaizen 0:e3dc9e54a15b 57 {
kaizen 0:e3dc9e54a15b 58 _wizfi.putc(c);
kaizen 0:e3dc9e54a15b 59 }
kaizen 0:e3dc9e54a15b 60
kaizen 0:e3dc9e54a15b 61 void WizFi250::setRts (bool flg)
kaizen 0:e3dc9e54a15b 62 {
kaizen 0:e3dc9e54a15b 63 if (flg)
kaizen 0:e3dc9e54a15b 64 {
kaizen 0:e3dc9e54a15b 65 if(_flow == 2)
kaizen 0:e3dc9e54a15b 66 {
kaizen 0:e3dc9e54a15b 67 if(_rts)
kaizen 0:e3dc9e54a15b 68 {
kaizen 0:e3dc9e54a15b 69 _rts->write(0); // low
kaizen 0:e3dc9e54a15b 70 }
kaizen 0:e3dc9e54a15b 71 }
kaizen 0:e3dc9e54a15b 72 }
kaizen 0:e3dc9e54a15b 73 else
kaizen 0:e3dc9e54a15b 74 {
kaizen 0:e3dc9e54a15b 75 if(_flow == 2)
kaizen 0:e3dc9e54a15b 76 {
kaizen 0:e3dc9e54a15b 77 if(_rts)
kaizen 0:e3dc9e54a15b 78 {
kaizen 0:e3dc9e54a15b 79 _rts->write(1); // high
kaizen 0:e3dc9e54a15b 80 }
kaizen 0:e3dc9e54a15b 81 }
kaizen 0:e3dc9e54a15b 82 }
kaizen 0:e3dc9e54a15b 83 }
kaizen 0:e3dc9e54a15b 84
kaizen 0:e3dc9e54a15b 85 int WizFi250::lockUart (int ms)
kaizen 0:e3dc9e54a15b 86 {
kaizen 0:e3dc9e54a15b 87 Timer t;
kaizen 0:e3dc9e54a15b 88
kaizen 0:e3dc9e54a15b 89 if(_state.mode != MODE_COMMAND)
kaizen 0:e3dc9e54a15b 90 {
kaizen 0:e3dc9e54a15b 91 t.start();
kaizen 0:e3dc9e54a15b 92 while(_state.mode != MODE_COMMAND)
kaizen 0:e3dc9e54a15b 93 {
kaizen 0:e3dc9e54a15b 94 if(t.read_ms() >= ms)
kaizen 0:e3dc9e54a15b 95 {
kaizen 0:e3dc9e54a15b 96 WIZ_WARN("lock timeout (%d)\r\n", _state.mode);
kaizen 0:e3dc9e54a15b 97 return -1;
kaizen 0:e3dc9e54a15b 98 }
kaizen 0:e3dc9e54a15b 99 }
kaizen 0:e3dc9e54a15b 100 }
kaizen 0:e3dc9e54a15b 101
kaizen 0:e3dc9e54a15b 102 #ifdef CFG_ENABLE_RTOS
cliff1 3:f78b0e66ed67 103 //if (_mutexUart.lock(ms) != osOK) return -1;
kaizen 0:e3dc9e54a15b 104 #endif
kaizen 0:e3dc9e54a15b 105
kaizen 0:e3dc9e54a15b 106 if(_flow == 2)
kaizen 0:e3dc9e54a15b 107 {
kaizen 0:e3dc9e54a15b 108 if(_cts && _cts->read())
kaizen 0:e3dc9e54a15b 109 {
kaizen 0:e3dc9e54a15b 110 // CTS check
kaizen 0:e3dc9e54a15b 111 t.start();
kaizen 0:e3dc9e54a15b 112 while (_cts->read())
kaizen 0:e3dc9e54a15b 113 {
kaizen 0:e3dc9e54a15b 114 if(t.read_ms() >= ms)
kaizen 0:e3dc9e54a15b 115 {
kaizen 0:e3dc9e54a15b 116 WIZ_DBG("cts timeout\r\n");
kaizen 0:e3dc9e54a15b 117 return -1;
kaizen 0:e3dc9e54a15b 118 }
kaizen 0:e3dc9e54a15b 119 }
kaizen 0:e3dc9e54a15b 120 }
kaizen 0:e3dc9e54a15b 121 }
kaizen 0:e3dc9e54a15b 122
kaizen 0:e3dc9e54a15b 123 setRts(false); // blcok
kaizen 0:e3dc9e54a15b 124 return 0;
kaizen 0:e3dc9e54a15b 125 }
kaizen 0:e3dc9e54a15b 126
kaizen 0:e3dc9e54a15b 127 void WizFi250::unlockUart()
kaizen 0:e3dc9e54a15b 128 {
kaizen 0:e3dc9e54a15b 129 setRts(true); // release
kaizen 0:e3dc9e54a15b 130 #ifdef CFG_ENABLE_RTOS
cliff1 3:f78b0e66ed67 131 //_mutexUart.unlock();
kaizen 0:e3dc9e54a15b 132 #endif
kaizen 0:e3dc9e54a15b 133 }
kaizen 0:e3dc9e54a15b 134
kaizen 0:e3dc9e54a15b 135 void WizFi250::initUart (PinName cts, PinName rts, PinName alarm, int baud)
kaizen 0:e3dc9e54a15b 136 {
kaizen 0:e3dc9e54a15b 137 _baud = baud;
kaizen 0:e3dc9e54a15b 138 if (_baud) _wizfi.baud(_baud);
kaizen 0:e3dc9e54a15b 139
kaizen 0:e3dc9e54a15b 140 _wizfi.attach(this, &WizFi250::isrUart, Serial::RxIrq);
kaizen 0:e3dc9e54a15b 141
kaizen 0:e3dc9e54a15b 142 _cts = NULL;
kaizen 0:e3dc9e54a15b 143 _rts = NULL;
kaizen 0:e3dc9e54a15b 144 _flow = 0;
kaizen 0:e3dc9e54a15b 145
kaizen 0:e3dc9e54a15b 146 if(cts != NC)
kaizen 0:e3dc9e54a15b 147 {
kaizen 0:e3dc9e54a15b 148 _cts = new DigitalIn(cts);
kaizen 0:e3dc9e54a15b 149 }
kaizen 0:e3dc9e54a15b 150 if(rts != NC)
kaizen 0:e3dc9e54a15b 151 {
kaizen 0:e3dc9e54a15b 152 _rts = new DigitalOut(rts);
kaizen 0:e3dc9e54a15b 153 _flow = 2;
kaizen 0:e3dc9e54a15b 154 }
kaizen 0:e3dc9e54a15b 155 }