Diff: WizFi250/WizFi250_hal.cpp

Revision:

0:f2039204c8f6

Child:

4:085e7efeae47

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WizFi250/WizFi250_hal.cpp	Mon Jun 02 23:34:10 2014 +0000
@@ -0,0 +1,167 @@
+/*
+ /* Copyright (C) 2013 gsfan, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+/* Copyright (C) 2014 Wiznet, MIT License
+ *  port to the Wiznet Module WizFi250
+ */
+
+#include "WizFi250.h"
+
+void WizFi250::setReset(bool flg)
+{
+    if( flg )
+    {
+        // low
+        _reset.output();
+        _reset = 0;
+    }
+    else
+    {
+        // high z
+        _reset.input();
+        _reset.mode(PullNone);
+    }
+}
+
+void WizFi250::isrUart()
+{
+    char c;
+
+    c = getUart();
+    //_debug.putc(c);
+    recvData(c);
+}
+
+int WizFi250::getUart()
+{
+#ifdef CFG_UART_DIRECT
+    return _uart->RBR;
+#else
+    return _wizfi.getc();
+#endif
+}
+
+void WizFi250::putUart (char c)
+{
+#ifdef CFG_UART_DIRECT
+    while(!(_uart->LSR & (1<<5)));
+    _uart->THR = c;
+#else
+    _wizfi.putc(c);
+#endif
+}
+
+void WizFi250::setRts (bool flg)
+{
+    if (flg)
+    {
+        if(_flow == 2)
+        {
+            if(_rts)
+            {
+                _rts->write(0); // low
+            }
+        }
+    }
+    else
+    {
+        if(_flow == 2)
+        {
+            if(_rts)
+            {
+                _rts->write(1); // high
+            }
+        }
+    }
+}
+
+int WizFi250::lockUart (int ms)
+{
+    Timer t;
+
+    if(_state.mode != MODE_COMMAND)
+    {
+        t.start();
+        while(_state.mode != MODE_COMMAND)
+        {
+            if(t.read_ms() >= ms)
+            {
+                WARN("lock timeout (%d)\r\n", _state.mode);
+                return -1;
+            }
+        }
+    }
+
+#ifdef CFG_ENABLE_RTOS
+    if (_mutexUart.lock(ms) != osOK) return -1;
+#endif
+
+    if(_flow == 2)
+    {
+        if(_cts && _cts->read())
+        {
+            // CTS check
+            t.start();
+            while (_cts->read())
+            {
+                if(t.read_ms() >= ms)
+                {
+                    DBG("cts timeout\r\n");
+                    return -1;
+                }
+            }
+        }
+    }
+
+    setRts(false);      // blcok
+    return 0;
+}
+
+void WizFi250::unlockUart()
+{
+    setRts(true);       // release
+#ifdef CFG_ENABLE_RTOS
+    _mutexUart.unlock();
+#endif
+}
+
+void WizFi250::initUart (PinName cts, PinName rts, PinName alarm, int baud)
+{
+    _baud = baud;
+    if (_baud) _wizfi.baud(_baud);
+
+    _wizfi.attach(this, &WizFi250::isrUart, Serial::RxIrq);
+
+    _cts = NULL;
+    _rts = NULL;
+    _flow = 0;
+
+#if defined(TARGET_FRDM_KL25Z)
+    _uart = UART1;
+#endif
+
+    if(cts != NC)
+    {
+        _cts = new DigitalIn(cts);
+    }
+    if(rts != NC)
+    {
+        _rts = new DigitalOut(rts);
+        _flow = 2;
+    }
+}