I2CTransporter.cpp

00001 #include "I2CTransporter.h"
00002 
00003 I2CTransporter::I2CTransporter(PinName sda, PinName scl)
00004 :   _master(sda,scl)
00005 {
00006     address = 0;
00007     target_array = NULL;
00008     Transport_Began = false;
00009 }
00010     
00011 void I2CTransporter::transport_begin(int addr_, char *target_array_, int data_size_)
00012 {
00013     address = addr_ ;
00014     target_array = target_array_;
00015     data_size = data_size_;
00016     Transport_Began = true;  
00017 }   
00018 
00019 bool I2CTransporter::read()
00020 {
00021     if(Transport_Began == true)
00022     {
00023         return _master.read(address, target_array, data_size) == 0
00024             ? true 
00025             : false;
00026     }
00027     else
00028     {
00029         return false;
00030     }
00031 }
00032 
00033 bool I2CTransporter::write()
00034 {
00035     if(Transport_Began == true)
00036     {
00037         return _master.write(address, target_array, data_size) == 0
00038             ? true 
00039             : false;
00040     }
00041     else
00042     {
00043         return false;
00044     }
00045 }
00046 
00047 void I2CTransporter::transport_end()
00048 {
00049     if(Transport_Began == true)
00050     {
00051         address = 0;
00052         target_array = NULL;
00053         data_size = 0;
00054         Transport_Began = false;  
00055     }
00056     else
00057     {
00058     }
00059 }