49 lines
1.6 KiB
C#
49 lines
1.6 KiB
C#
|
using System;
|
||
|
|
using Microsoft.SPOT;
|
||
|
|
using Microsoft.SPOT.Hardware;
|
||
|
|
|
||
|
|
namespace PlaneOnBoardSoftware
|
||
|
|
{
|
||
|
|
public abstract class I2CBase
|
||
|
|
{
|
||
|
|
public abstract I2CDevice.Configuration Config { get; }
|
||
|
|
|
||
|
|
protected byte Read(byte address)
|
||
|
|
{
|
||
|
|
Byte[] data = new Byte[1];
|
||
|
|
I2CDevice.I2CWriteTransaction write = I2CDevice.CreateWriteTransaction(new Byte[] { address });
|
||
|
|
I2CDevice.I2CReadTransaction read = I2CDevice.CreateReadTransaction(data);
|
||
|
|
I2CDevice.I2CTransaction[] readTransaction = new I2CDevice.I2CTransaction[] { write, read };
|
||
|
|
|
||
|
|
var result = I2CBus.Execute(Config, readTransaction, 1000);
|
||
|
|
|
||
|
|
return data[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
protected float CombineBytes(byte high, byte low)
|
||
|
|
{
|
||
|
|
var data = (Int16)((high << 8) | low);
|
||
|
|
|
||
|
|
return (float)data;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected byte Read(byte address, byte[] buffer)
|
||
|
|
{
|
||
|
|
I2CDevice.I2CWriteTransaction write = I2CDevice.CreateWriteTransaction(new Byte[] { address });
|
||
|
|
I2CDevice.I2CReadTransaction read = I2CDevice.CreateReadTransaction(buffer);
|
||
|
|
I2CDevice.I2CTransaction[] readTransaction = new I2CDevice.I2CTransaction[] { write, read };
|
||
|
|
|
||
|
|
var result = I2CBus.Execute(Config, readTransaction, 1000);
|
||
|
|
|
||
|
|
return buffer[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
protected void Write(byte address, byte value)
|
||
|
|
{
|
||
|
|
var bytes = new byte[] { address, value };
|
||
|
|
|
||
|
|
I2CBus.Write(Config, bytes, 1000);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|