Revision 0:e44491917262, committed 2016-07-01

Comitter:

mmellor

Date:

Fri Jul 01 18:53:27 2016 +0000

Commit message:

UDP Packet Sender (UDP packets constructed on the mbed side)

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mcp3208.cpp	Fri Jul 01 18:53:27 2016 +0000
@@ -0,0 +1,31 @@
+//
+//
+//
+#include "mcp3208.h"
+
+
+MCP3208::MCP3208(PinName mosi, PinName miso, PinName clk, PinName cs)
+:   _spi(mosi,miso,clk),
+    _cs(cs),
+    _vref(5.0)
+{
+    _spi.frequency(2000000);
+    _spi.format(12,3);
+    _cs = 1;
+}
+
+int
+MCP3208::binary(int ch)
+{
+    _cs = 0;
+    int ret = _spi.write((0x18|ch)<<2);
+    int adb = _spi.write(0);
+    _cs = 1;
+    return adb;
+}
+
+float
+MCP3208::volt(int ch)
+{
+    return _vref * binary(ch) / 4095;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mcp3208.h	Fri Jul 01 18:53:27 2016 +0000
@@ -0,0 +1,22 @@
+//
+//
+//
+#ifndef _MCP3208_H
+#define _MCP3208_H
+
+#include <mbed.h>
+
+class MCP3208 {
+  protected:
+    SPI _spi;
+    DigitalOut _cs;
+    float _vref;
+  
+  public:
+    MCP3208(PinName mosi=p11, PinName miso=p12, PinName clk=p13, PinName cs=p14);
+    int binary(int ch);
+    float volt(int ch);
+    float vref(float v){return _vref=v;}
+};
+
+#endif  //_MCP3208_H