Diff: MCP3425.cpp

Revision:

0:b7bc51be525f

diff -r 000000000000 -r b7bc51be525f MCP3425.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MCP3425.cpp	Wed Oct 15 14:37:59 2014 +0000
@@ -0,0 +1,50 @@
+//**********************
+// MCP3425.cpp for mbed
+//
+// MCP3425 mcp3425(P0_5,P0_4);
+// or
+// I2C i2c(P0_5,P0_4);
+// MCP3425 mcp3425(i2c);
+//
+// (C)Copyright 2014 All rights reserved by Y.Onodera
+// http://einstlab.web.fc2.com
+//**********************
+
+#include "mbed.h"
+#include "MCP3425.h"
+
+MCP3425::MCP3425 (PinName sda, PinName scl) : _i2c(sda, scl) {
+    init();
+}
+MCP3425::MCP3425 (I2C& p_i2c) : _i2c(p_i2c) {
+    init();
+}
+
+
+short MCP3425::get()
+{
+
+    _i2c.read( MCP3425_ADDR, buf, 3);
+
+    ad.byte.HB=buf[0];
+    ad.byte.LB=buf[1];
+    config.UC=buf[2];
+    return ad.S;
+ 
+}
+
+
+void MCP3425::init()
+{
+
+    config.bit.RDY=1;
+    config.bit.C=0;
+    config.bit.OC=1;
+    config.bit.S=2;
+    config.bit.G=0;
+    // Initiate Continuous 16bits, 15SPS
+    buf[0]=config.UC;
+    _i2c.write(MCP3425_ADDR, buf, 1);
+
+}
+