Diff: temp.cpp

Revision:

2:fa5b67d8d989

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/temp.cpp	Mon Mar 13 18:25:52 2017 +0000
@@ -0,0 +1,132 @@
+/*
+ * SeeedGrayOLED.cpp
+ * SSD1327 Gray OLED Driver Library for SSD1327
+ *
+ * Copyright (c) 2011 seeed technology inc.
+ * Author        :   Visweswara R
+ * Create Time   :   Dec 2011
+ * Change Log    :
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "mbed.h"
+#include "TouchClamp.h"
+#include "I2C.h"
+#include <stdio.h>
+#include <string.h>
+
+// 8x8 Font ASCII 32 - 127 Implemented
+// Users can modify this to support more characters(glyphs)
+// BasicFont is placed in code memory.
+
+// This font can be freely used without any restriction(It is placed in public domain)
+// const unsigned char BasicFont[][8] PROGMEM=
+
+TouchClamp::TouchClamp(PinName sda, PinName scl,int addr):
+    _device(sda, scl)
+{    
+    _addr = addr;
+}
+
+void TouchClamp::init(void)
+{
+    unsigned char mpr[3]={_addr,0x5E,0x00};
+    int ack = 0;
+    int i = 0;
+    // Put the MPR into setup mode
+    ack = write(mpr,3);
+    
+    // Electrode filters for when data is > baseline
+    unsigned char elec_flt[6]={_addr,0x2B,0x01,0x01,0x00,0x00};
+    ack = write(elec_flt,6);
+    
+    // Electrode filters for when data is < baseline
+    unsigned char elec_flt2[6]={_addr,0x2F,0x01,0x01,0x00,0x00};
+    ack = write(elec_flt2,6);
+        
+    // Electrode touch and release thresholds
+    for(i=0; i<12; i++){
+        _device.start();
+        ack = _device.write(_addr);
+        ack = _device.write(0x41+(i*2));
+        ack = _device.write(0x0F);
+        ack = _device.write(0x0A);
+        _device.stop();
+    }   
+ 
+    // Proximity Settings
+    unsigned char proximy[13]={_addr,0x36,0xff,0xff,0x00,0x00,0x01,0x01,0xff,0xff,0x00,0x00,0x00};
+    ack = write(proximy,13);
+ 
+    unsigned char proximy2[4]={_addr,0x59,0x5D,0x02};
+    ack = write(proximy2,4);
+    
+    unsigned char proximy3[3]={_addr,0x5D,0x04};
+    ack = write(proximy3,3);
+    
+    unsigned char proximy4[3]={_addr,0x5E,0x0C};
+    ack = write(proximy4,3); 
+}
+
+int TouchClamp::write(unsigned char * data, int size)
+{
+        int i = 0;
+        int ack = 0;
+        /////////////////////
+        ///WRITE PROTOCOLE///
+        /////////////////////
+        _device.start();
+        ack = _device.write(_addr); 
+        for(i=0;i<size;i++)
+        {
+            ack = _device.write(data[i]);
+            if(ack == 0)
+                return 0;
+        }
+        _device.stop();
+        return 1;
+}
+
+unsigned char TouchClamp::readTouch(unsigned char command)
+{
+        unsigned char result = 0;
+        int ack = 0;        ////////////////////
+        ///READ PROTOCOLE///
+        ////////////////////
+        //Start the command
+        _device.start();
+        // Address the target (Write mode)
+        ack = _device.write(_addr);
+        if(ack == 0)
+                return 0;
+        // Re-send the target address in read mode
+        ack = _device.write(command);
+        if(ack == 0)
+                return 0;
+        // Re-start for read of data
+        _device.start();
+        // Re-send the target address in read mode
+        ack = _device.write(_addr+1);
+        if(ack == 0)
+                return 0;
+        // Read in the result
+        result = _device.read(0);
+        // Reset the bus        
+        _device.stop();
+        
+        return result;
+}
+