Paul Staron / ERC1602-4-i2c

ERC1602-4 i2c Text LCD library for East Rising COG display in i2c mode using the ST7032i controller IC.

I2cBusDevice.h@0:5b8f0de660ec, 2014-05-04 (annotated)

Committer:
star297
Date:
Sun May 04 11:31:31 2014 +0000
Revision:
0:5b8f0de660ec
v1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
star297 0:5b8f0de660ec 1 #include "mbed.h"
star297 0:5b8f0de660ec 2
star297 0:5b8f0de660ec 3 class I2cBusDevice {
star297 0:5b8f0de660ec 4 public:
star297 0:5b8f0de660ec 5
star297 0:5b8f0de660ec 6 I2cBusDevice( I2C *LCD, char dev_address ) {
star297 0:5b8f0de660ec 7 bus = LCD;
star297 0:5b8f0de660ec 8 device = dev_address;
star297 0:5b8f0de660ec 9 }
star297 0:5b8f0de660ec 10
star297 0:5b8f0de660ec 11 ~I2cBusDevice() {
star297 0:5b8f0de660ec 12 }
star297 0:5b8f0de660ec 13
star297 0:5b8f0de660ec 14 int write( char *data, int length ) {
star297 0:5b8f0de660ec 15 return ( bus->write( device, data, length) );
star297 0:5b8f0de660ec 16 }
star297 0:5b8f0de660ec 17
star297 0:5b8f0de660ec 18 int read( char *data, int length ) {
star297 0:5b8f0de660ec 19 return ( bus->read( device, data, length) );
star297 0:5b8f0de660ec 20 }
star297 0:5b8f0de660ec 21
star297 0:5b8f0de660ec 22 int read( char reg_ptr, char *data, int length ) {
star297 0:5b8f0de660ec 23 if ( bus->write( device, &reg_ptr, 1 ) )
star297 0:5b8f0de660ec 24 return ( 1 );
star297 0:5b8f0de660ec 25 if ( bus->read( device, data, length ) )
star297 0:5b8f0de660ec 26 return ( 1 );
star297 0:5b8f0de660ec 27 return ( 0 );
star297 0:5b8f0de660ec 28 }
star297 0:5b8f0de660ec 29
star297 0:5b8f0de660ec 30 protected:
star297 0:5b8f0de660ec 31 I2C *bus;
star297 0:5b8f0de660ec 32 char device;
star297 0:5b8f0de660ec 33 }
star297 0:5b8f0de660ec 34 ;
star297 0:5b8f0de660ec 35
star297 0:5b8f0de660ec 36