Minsu Lee / WizFi250Interface

RC

Dependents:   WizFi250_AP_HelloWorld

Fork of WizFi250Interface by DongEun Koak

WizFi250/WizFi250_hal.cpp@0:f2039204c8f6, 2014-06-02 (annotated)

Committer:
kaizen
Date:
Mon Jun 02 23:34:10 2014 +0000
Revision:
0:f2039204c8f6
Child:
4:085e7efeae47
WizFi250 Library First Release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kaizen 0:f2039204c8f6 1 /*
kaizen 0:f2039204c8f6 2 /* Copyright (C) 2013 gsfan, MIT License
kaizen 0:f2039204c8f6 3 *
kaizen 0:f2039204c8f6 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
kaizen 0:f2039204c8f6 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
kaizen 0:f2039204c8f6 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
kaizen 0:f2039204c8f6 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
kaizen 0:f2039204c8f6 8 * furnished to do so, subject to the following conditions:
kaizen 0:f2039204c8f6 9 *
kaizen 0:f2039204c8f6 10 * The above copyright notice and this permission notice shall be included in all copies or
kaizen 0:f2039204c8f6 11 * substantial portions of the Software.
kaizen 0:f2039204c8f6 12 *
kaizen 0:f2039204c8f6 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
kaizen 0:f2039204c8f6 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
kaizen 0:f2039204c8f6 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
kaizen 0:f2039204c8f6 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
kaizen 0:f2039204c8f6 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
kaizen 0:f2039204c8f6 18 */
kaizen 0:f2039204c8f6 19 /* Copyright (C) 2014 Wiznet, MIT License
kaizen 0:f2039204c8f6 20 * port to the Wiznet Module WizFi250
kaizen 0:f2039204c8f6 21 */
kaizen 0:f2039204c8f6 22
kaizen 0:f2039204c8f6 23 #include "WizFi250.h"
kaizen 0:f2039204c8f6 24
kaizen 0:f2039204c8f6 25 void WizFi250::setReset(bool flg)
kaizen 0:f2039204c8f6 26 {
kaizen 0:f2039204c8f6 27 if( flg )
kaizen 0:f2039204c8f6 28 {
kaizen 0:f2039204c8f6 29 // low
kaizen 0:f2039204c8f6 30 _reset.output();
kaizen 0:f2039204c8f6 31 _reset = 0;
kaizen 0:f2039204c8f6 32 }
kaizen 0:f2039204c8f6 33 else
kaizen 0:f2039204c8f6 34 {
kaizen 0:f2039204c8f6 35 // high z
kaizen 0:f2039204c8f6 36 _reset.input();
kaizen 0:f2039204c8f6 37 _reset.mode(PullNone);
kaizen 0:f2039204c8f6 38 }
kaizen 0:f2039204c8f6 39 }
kaizen 0:f2039204c8f6 40
kaizen 0:f2039204c8f6 41 void WizFi250::isrUart()
kaizen 0:f2039204c8f6 42 {
kaizen 0:f2039204c8f6 43 char c;
kaizen 0:f2039204c8f6 44
kaizen 0:f2039204c8f6 45 c = getUart();
kaizen 0:f2039204c8f6 46 //_debug.putc(c);
kaizen 0:f2039204c8f6 47 recvData(c);
kaizen 0:f2039204c8f6 48 }
kaizen 0:f2039204c8f6 49
kaizen 0:f2039204c8f6 50 int WizFi250::getUart()
kaizen 0:f2039204c8f6 51 {
kaizen 0:f2039204c8f6 52 #ifdef CFG_UART_DIRECT
kaizen 0:f2039204c8f6 53 return _uart->RBR;
kaizen 0:f2039204c8f6 54 #else
kaizen 0:f2039204c8f6 55 return _wizfi.getc();
kaizen 0:f2039204c8f6 56 #endif
kaizen 0:f2039204c8f6 57 }
kaizen 0:f2039204c8f6 58
kaizen 0:f2039204c8f6 59 void WizFi250::putUart (char c)
kaizen 0:f2039204c8f6 60 {
kaizen 0:f2039204c8f6 61 #ifdef CFG_UART_DIRECT
kaizen 0:f2039204c8f6 62 while(!(_uart->LSR & (1<<5)));
kaizen 0:f2039204c8f6 63 _uart->THR = c;
kaizen 0:f2039204c8f6 64 #else
kaizen 0:f2039204c8f6 65 _wizfi.putc(c);
kaizen 0:f2039204c8f6 66 #endif
kaizen 0:f2039204c8f6 67 }
kaizen 0:f2039204c8f6 68
kaizen 0:f2039204c8f6 69 void WizFi250::setRts (bool flg)
kaizen 0:f2039204c8f6 70 {
kaizen 0:f2039204c8f6 71 if (flg)
kaizen 0:f2039204c8f6 72 {
kaizen 0:f2039204c8f6 73 if(_flow == 2)
kaizen 0:f2039204c8f6 74 {
kaizen 0:f2039204c8f6 75 if(_rts)
kaizen 0:f2039204c8f6 76 {
kaizen 0:f2039204c8f6 77 _rts->write(0); // low
kaizen 0:f2039204c8f6 78 }
kaizen 0:f2039204c8f6 79 }
kaizen 0:f2039204c8f6 80 }
kaizen 0:f2039204c8f6 81 else
kaizen 0:f2039204c8f6 82 {
kaizen 0:f2039204c8f6 83 if(_flow == 2)
kaizen 0:f2039204c8f6 84 {
kaizen 0:f2039204c8f6 85 if(_rts)
kaizen 0:f2039204c8f6 86 {
kaizen 0:f2039204c8f6 87 _rts->write(1); // high
kaizen 0:f2039204c8f6 88 }
kaizen 0:f2039204c8f6 89 }
kaizen 0:f2039204c8f6 90 }
kaizen 0:f2039204c8f6 91 }
kaizen 0:f2039204c8f6 92
kaizen 0:f2039204c8f6 93 int WizFi250::lockUart (int ms)
kaizen 0:f2039204c8f6 94 {
kaizen 0:f2039204c8f6 95 Timer t;
kaizen 0:f2039204c8f6 96
kaizen 0:f2039204c8f6 97 if(_state.mode != MODE_COMMAND)
kaizen 0:f2039204c8f6 98 {
kaizen 0:f2039204c8f6 99 t.start();
kaizen 0:f2039204c8f6 100 while(_state.mode != MODE_COMMAND)
kaizen 0:f2039204c8f6 101 {
kaizen 0:f2039204c8f6 102 if(t.read_ms() >= ms)
kaizen 0:f2039204c8f6 103 {
kaizen 0:f2039204c8f6 104 WARN("lock timeout (%d)\r\n", _state.mode);
kaizen 0:f2039204c8f6 105 return -1;
kaizen 0:f2039204c8f6 106 }
kaizen 0:f2039204c8f6 107 }
kaizen 0:f2039204c8f6 108 }
kaizen 0:f2039204c8f6 109
kaizen 0:f2039204c8f6 110 #ifdef CFG_ENABLE_RTOS
kaizen 0:f2039204c8f6 111 if (_mutexUart.lock(ms) != osOK) return -1;
kaizen 0:f2039204c8f6 112 #endif
kaizen 0:f2039204c8f6 113
kaizen 0:f2039204c8f6 114 if(_flow == 2)
kaizen 0:f2039204c8f6 115 {
kaizen 0:f2039204c8f6 116 if(_cts && _cts->read())
kaizen 0:f2039204c8f6 117 {
kaizen 0:f2039204c8f6 118 // CTS check
kaizen 0:f2039204c8f6 119 t.start();
kaizen 0:f2039204c8f6 120 while (_cts->read())
kaizen 0:f2039204c8f6 121 {
kaizen 0:f2039204c8f6 122 if(t.read_ms() >= ms)
kaizen 0:f2039204c8f6 123 {
kaizen 0:f2039204c8f6 124 DBG("cts timeout\r\n");
kaizen 0:f2039204c8f6 125 return -1;
kaizen 0:f2039204c8f6 126 }
kaizen 0:f2039204c8f6 127 }
kaizen 0:f2039204c8f6 128 }
kaizen 0:f2039204c8f6 129 }
kaizen 0:f2039204c8f6 130
kaizen 0:f2039204c8f6 131 setRts(false); // blcok
kaizen 0:f2039204c8f6 132 return 0;
kaizen 0:f2039204c8f6 133 }
kaizen 0:f2039204c8f6 134
kaizen 0:f2039204c8f6 135 void WizFi250::unlockUart()
kaizen 0:f2039204c8f6 136 {
kaizen 0:f2039204c8f6 137 setRts(true); // release
kaizen 0:f2039204c8f6 138 #ifdef CFG_ENABLE_RTOS
kaizen 0:f2039204c8f6 139 _mutexUart.unlock();
kaizen 0:f2039204c8f6 140 #endif
kaizen 0:f2039204c8f6 141 }
kaizen 0:f2039204c8f6 142
kaizen 0:f2039204c8f6 143 void WizFi250::initUart (PinName cts, PinName rts, PinName alarm, int baud)
kaizen 0:f2039204c8f6 144 {
kaizen 0:f2039204c8f6 145 _baud = baud;
kaizen 0:f2039204c8f6 146 if (_baud) _wizfi.baud(_baud);
kaizen 0:f2039204c8f6 147
kaizen 0:f2039204c8f6 148 _wizfi.attach(this, &WizFi250::isrUart, Serial::RxIrq);
kaizen 0:f2039204c8f6 149
kaizen 0:f2039204c8f6 150 _cts = NULL;
kaizen 0:f2039204c8f6 151 _rts = NULL;
kaizen 0:f2039204c8f6 152 _flow = 0;
kaizen 0:f2039204c8f6 153
kaizen 0:f2039204c8f6 154 #if defined(TARGET_FRDM_KL25Z)
kaizen 0:f2039204c8f6 155 _uart = UART1;
kaizen 0:f2039204c8f6 156 #endif
kaizen 0:f2039204c8f6 157
kaizen 0:f2039204c8f6 158 if(cts != NC)
kaizen 0:f2039204c8f6 159 {
kaizen 0:f2039204c8f6 160 _cts = new DigitalIn(cts);
kaizen 0:f2039204c8f6 161 }
kaizen 0:f2039204c8f6 162 if(rts != NC)
kaizen 0:f2039204c8f6 163 {
kaizen 0:f2039204c8f6 164 _rts = new DigitalOut(rts);
kaizen 0:f2039204c8f6 165 _flow = 2;
kaizen 0:f2039204c8f6 166 }
kaizen 0:f2039204c8f6 167 }