Diff: mcp4725.cpp

Revision:

7:f5e11acbe221

Parent:

6:35e3e80b804c

--- a/mcp4725.cpp	Tue Apr 01 04:45:16 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,78 +0,0 @@
-#include "mcp4725.h"
-#include "mbed.h"
-
-MCP4725::MCP4725(PinName sda, PinName scl, BusFrequency bus_frequency, int device_address_bits): _i2c_interface(sda, scl)
-{
-    //Set the frequency
-    int freq=0;
-    switch(bus_frequency)
-    {
-        case Standard100kHz:
-            freq = 100000;
-            break;
-        case Fast400kHz:
-            freq = 400000;
-            break;
-        case HighSpeed3_4Mhz:
-            freq = 3400000;
-            break;
-    }
-    _i2c_interface.frequency(freq);
-    
-    // Assemble the full I2C device address.
-    _device_address = 0xC4; // Prime the full device address with the device code.
-    //_device_address |= (device_address_bits<<1);
-}
-
-int MCP4725::read(enum PowerMode* mode, enum PowerMode* mode_eeprom, int* dac_value, int* dac_value_eeprom, bool* eeprom_write_in_progress)
-{
-    char data[5];
-    int result;
-    
-    // Read the raw data from the device.
-    result = _i2c_interface.read(_device_address, data, sizeof(data)/sizeof(*data), false);
-    
-    // Parse the raw data, extracting our fields. Refer to MCP4725 ref manual, section 6.2
-    if (result == 0)
-    {
-        *eeprom_write_in_progress = (data[0] & 0x80)? false:true;
-        
-        *mode = (enum PowerMode) ((data[0] & 0x06)>>1);
-        
-        *dac_value  = (data[1]<<4) + (data[2]>>4);
-        
-        *mode_eeprom = (enum PowerMode)((data[3] & 0x60)>>5);
-        
-        *dac_value_eeprom = ((data[3] & 0x0F) <<8) + data[4];
-    }
-     
-    return result;
-}
-
-
-
-int MCP4725::write(enum PowerMode mode, int dac_value, bool writeToEeprom)
-{
-    char data[3]={0};
-    int write_command;
-    
-    //Which write command are we to use?
-    if (writeToEeprom == true)
-    {
-        //Write DAC Register and EEPROM
-        write_command = 3;
-    }
-    else
-    {
-        //Write DAC Register
-        write_command = 2;
-    }
-    
-    //Assemble our three bytes of data - Refer to MCP4725 ref manual, section 6.
-    data[0] = (write_command <<5) | ((int)mode<<1);
-    data[1] = (dac_value>>4);
-    data[2] = (dac_value<<4);
-    
-    // Now write them to the device.
-    return _i2c_interface.write(_device_address, data, sizeof(data)/sizeof(*data), false);
-}
\ No newline at end of file