MCP3425 library
See http://developer.mbed.org/users/yasuyuki/notebook/MCP3425/
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); + +} +