Diff: MCUGearALPC1114.cpp

Revision:

2:aa2e471e8317

Parent:

1:95255bae41c8

Child:

3:69b10f9cdd14

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MCUGearALPC1114.cpp	Sat May 03 17:09:14 2014 +0000
@@ -0,0 +1,123 @@
+/* MCU Gear Library, only for testing MCUGear without any circuit you connected.
+ * Copyright (c) 2013, NestEgg Inc., http://www.mcugear.com/
+ *
+ * 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.
+ */
+
+
+#include "mbed.h"
+#include "MCUGearALPC1114.h"
+#include "MCUGearBaseALPC1114.h"
+
+MCUGear::MCUGear(PinName scl, PinName sda, char addr)
+     : _i2c(scl, sda) {
+    //_i2c.frequency(FPGA_I2C_CLOCK);
+    _addr = addr;   //save address
+    write(0xff);    //close Module gate
+    _counter = 0;
+}
+
+void MCUGear::disconnectModule(void){
+    write(0xff);    //close module gate
+    deleteBank(0);
+}
+
+void MCUGear::connectModuleA(void){
+    int i = 0;
+    
+    //make circuit
+    if(_counter!=0){
+        
+        startReg(0);
+        
+        for(i = 0; i < _counter; ++i){
+          fpga_write(_mcuIO[i], _moduleIO[i]);
+        }
+        
+        endReg();
+        
+        changeBank(0);
+    }
+    
+    write(0xf8);    //1111 1000
+}
+
+void MCUGear::fpga_write(unsigned char adr, unsigned char data) {
+  char cmd[2];
+  cmd[0] = adr;
+  cmd[1] = data;
+  _i2c.write(FPGA_I2C_ADR, cmd, 2);
+}
+
+void MCUGear::startReg(char bank){
+    _bank = bank;
+    fpga_write(0x0c,_bank); //End regist
+}
+
+uint8_t MCUGear::setWireA(uint8_t mcuIO, uint8_t direction, uint8_t moduleIO){
+    
+    uint8_t location = ( _pnum + moduleIO );
+    
+    if(moduleIO >= numMaxModuleIO){
+        return 255; //error
+    }
+    
+    if(location >= numBaseboardIO){
+        location = location - numBaseboardIO;
+    }
+    
+    //fpga_write(mcuIO, (IO_REG_EN | (direction | (location))));
+    saveWire(mcuIO, (IO_REG_EN | (direction | (location))));
+    
+    return location;
+}
+
+void MCUGear::saveWire(uint8_t mcuIO, uint8_t moduleIO){
+        _mcuIO[_counter] = mcuIO;
+        _moduleIO[_counter] = moduleIO;
+        ++_counter;
+}
+
+void MCUGear::endReg(void){
+    fpga_write(0x10,_bank);//init regist///////
+}
+
+
+//send I2C signal function
+void MCUGear::write(uint8_t c){
+
+    char cmd[1];
+    cmd[0] = c;
+    _i2c.write(_addr, cmd, 1);
+    
+}
+
+////detect module
+uint8_t MCUGear::detectModule(void) {
+    
+    write(0x7f);   //0111 1111  //1pin GND
+    _pnum = fpga_read(FPGA_I2C_ADR,FPGA_DETECT);//save location
+    write(0xff);    //1111 1111 //close
+    
+    _counter = 0;
+    
+    return _pnum;
+
+}
+