yasuyuki onodera / MCP4018

MCP4018 library

Dependents:   mbed_MCP4018

See https://developer.mbed.org/users/yasuyuki/notebook/MCP4018/

MCP4018.cpp@0:f32b8e382343, 2014-11-08 (annotated)

Committer:
yasuyuki
Date:
Sat Nov 08 12:14:31 2014 +0000
Revision:
0:f32b8e382343
release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yasuyuki 0:f32b8e382343 1 //**********************
yasuyuki 0:f32b8e382343 2 // MCP4018.cpp for mbed
yasuyuki 0:f32b8e382343 3 //
yasuyuki 0:f32b8e382343 4 // MCP4018 mcp4018(P0_5,P0_4);
yasuyuki 0:f32b8e382343 5 // or
yasuyuki 0:f32b8e382343 6 // I2C i2c(P0_5,P0_4);
yasuyuki 0:f32b8e382343 7 // MCP4018 mcp4018(i2c);
yasuyuki 0:f32b8e382343 8 //
yasuyuki 0:f32b8e382343 9 // (C)Copyright 2014 All rights reserved by Y.Onodera
yasuyuki 0:f32b8e382343 10 // http://einstlab.web.fc2.com
yasuyuki 0:f32b8e382343 11 //**********************
yasuyuki 0:f32b8e382343 12
yasuyuki 0:f32b8e382343 13 #include "mbed.h"
yasuyuki 0:f32b8e382343 14 #include "MCP4018.h"
yasuyuki 0:f32b8e382343 15
yasuyuki 0:f32b8e382343 16 MCP4018::MCP4018 (PinName sda, PinName scl) : _i2c(sda, scl) {
yasuyuki 0:f32b8e382343 17 }
yasuyuki 0:f32b8e382343 18 MCP4018::MCP4018 (I2C& p_i2c) : _i2c(p_i2c) {
yasuyuki 0:f32b8e382343 19 }
yasuyuki 0:f32b8e382343 20
yasuyuki 0:f32b8e382343 21
yasuyuki 0:f32b8e382343 22 void MCP4018::put(unsigned char a)
yasuyuki 0:f32b8e382343 23 {
yasuyuki 0:f32b8e382343 24
yasuyuki 0:f32b8e382343 25 buf[0]=0x7F & a;
yasuyuki 0:f32b8e382343 26 _i2c.write(MCP4018_ADDR, buf, 1);
yasuyuki 0:f32b8e382343 27
yasuyuki 0:f32b8e382343 28 }
yasuyuki 0:f32b8e382343 29