Switch Science / Mbed 2 deprecated LPC824_test

Hello code for "Switch Science mbed LPC824"

Dependencies:   mbed

Fork of SwitchSciencembedLPC824_test by Mako SHIMURA

I2cBusDevice.h@11:7e4aa2823fad, 2014-12-19 (annotated)

Committer:
switchscience
Date:
Fri Dec 19 09:39:31 2014 +0000
Revision:
11:7e4aa2823fad
Parent:
9:e2333773718f 
Hello code for "Switch Science mbed LPC824"

Who changed what in which revision?

UserRevisionLine numberNew contents of line
asagin 9:e2333773718f 1 /*
asagin 9:e2333773718f 2 * I2C device base class
asagin 9:e2333773718f 3 *
asagin 9:e2333773718f 4 * A base class for all I2C devices.
asagin 9:e2333773718f 5 * This manages the device address and transfers
asagin 9:e2333773718f 6 *
asagin 9:e2333773718f 7 * Copyright (c) 2010 Tedd OKANO
asagin 9:e2333773718f 8 * Released under the MIT License: http://mbed.org/license/mit
asagin 9:e2333773718f 9 *
asagin 9:e2333773718f 10 * revision 1.0 15-Jan-2010 a. 1st release
asagin 9:e2333773718f 11 * revision 1.1 23-Jan-2010 a. The word "MBED_I2cBusDevice" is used instead of _I2cBusDevice_ to avoid symbol conflict
asagin 9:e2333773718f 12 * b. copyright notice added
asagin 9:e2333773718f 13 */
asagin 9:e2333773718f 14
asagin 9:e2333773718f 15 #ifndef MBED_I2cBusDevice
asagin 9:e2333773718f 16 #define MBED_I2cBusDevice
asagin 9:e2333773718f 17
asagin 9:e2333773718f 18 #include "mbed.h"
asagin 9:e2333773718f 19
asagin 9:e2333773718f 20 class I2cBusDevice {
asagin 9:e2333773718f 21 public:
asagin 9:e2333773718f 22
asagin 9:e2333773718f 23 I2cBusDevice( I2C *i2c, char dev_address ) {
asagin 9:e2333773718f 24 bus = i2c;
asagin 9:e2333773718f 25 device = dev_address;
asagin 9:e2333773718f 26 }
asagin 9:e2333773718f 27
asagin 9:e2333773718f 28 ~I2cBusDevice() {
asagin 9:e2333773718f 29 }
asagin 9:e2333773718f 30
asagin 9:e2333773718f 31 int write( char *data, int length ) {
asagin 9:e2333773718f 32 return ( bus->write( device, data, length) );
asagin 9:e2333773718f 33 }
asagin 9:e2333773718f 34
asagin 9:e2333773718f 35 int read( char *data, int length ) {
asagin 9:e2333773718f 36 return ( bus->read( device, data, length) );
asagin 9:e2333773718f 37 }
asagin 9:e2333773718f 38
asagin 9:e2333773718f 39 int read( char reg_ptr, char *data, int length ) {
asagin 9:e2333773718f 40 if ( bus->write( device, &reg_ptr, 1 ) )
asagin 9:e2333773718f 41 return ( 1 );
asagin 9:e2333773718f 42
asagin 9:e2333773718f 43 if ( bus->read( device, data, length ) )
asagin 9:e2333773718f 44 return ( 1 );
asagin 9:e2333773718f 45
asagin 9:e2333773718f 46 return ( 0 );
asagin 9:e2333773718f 47 }
asagin 9:e2333773718f 48
asagin 9:e2333773718f 49 protected:
asagin 9:e2333773718f 50 I2C *bus;
asagin 9:e2333773718f 51 char device;
asagin 9:e2333773718f 52
asagin 9:e2333773718f 53 private:
asagin 9:e2333773718f 54 static char i2c_error;
asagin 9:e2333773718f 55 }
asagin 9:e2333773718f 56 ;
asagin 9:e2333773718f 57
asagin 9:e2333773718f 58 #endif