public InteropI2CBus(GT.Socket socket, GT.Socket.Pin sdaPin, GT.Socket.Pin sclPin, ushort address, int clockRateKHz, GTM.Module module)
{
this.Address = address;
this.ClockRateKHz = clockRateKHz;
this.softwareBus = new SoftwareI2CBus(socket.CpuPins[(int)sclPin], socket.CpuPins[(int)sdaPin]);
}
static public void Disable()
{
if (i2cbus != null && i2cdev != null)
{
WriteToRegister(0x2A, 0);//bit 0 is 0 - standby
isActived = false;
i2cdev = null;
i2cbus.Dispose();
i2cbus = null;
}
}
/// <summary>
/// Disables the accelerometer to save power.
/// </summary>
public static void Disable()
{
if (!Accelerometer.IsEnabled)
{
return;
}
Accelerometer.WriteToRegister(0x2A, 0);
Accelerometer.I2CDevice = null;
Accelerometer.I2CBus.Dispose();
Accelerometer.I2CBus = null;
Accelerometer.Enabled = false;
}
/// <summary>
/// Enables the accelerometer functionality if it was disabled.
/// </summary>
public static void Enable()
{
if (Accelerometer.IsEnabled)
{
return;
}
Accelerometer.I2CBus = new SoftwareI2CBus(Accelerometer.I2C_CLK, Accelerometer.I2C_DATA);
Accelerometer.I2CDevice = Accelerometer.I2CBus.CreateI2CDevice(Accelerometer.I2C_ADDRESS, 400);
//bit 0 is 1 - active
//bit 0 is 0 - standby
//bit 1 = 1: 8 bit accurate - fast mode read
//bit 1 = 0: 10 bit accurate - normal mode read
WriteToRegister(0x2A, 1);
Accelerometer.Enabled = true;
}
//const String TEXT_EXCEPTION_00 = "Accelerometer needs to be enable by calling Enable() function";
static public void Enable()
{
if (i2cbus == null)
{
i2cbus = new SoftwareI2CBus(i2c_clk, i2c_dat);
}
if (i2cdev == null)
{
i2cdev = i2cbus.CreateI2CDevice(0x1C, 400);
}
//bit 0 is 1 - active
//bit 0 is 0 - standby
//bit 1 = 1: 8 bit accurate - fast mode read
//bit 1 = 0: 10 bit accurate - normal mode read
isActived = true;
WriteToRegister(0x2A, 1); //bit 0 is 1 - active
}
bool NativeI2CWriteRead(GT.Socket socket, GT.Socket.Pin sda, GT.Socket.Pin scl, byte address, byte[] write, int writeOffset, int writeLen, byte[] read, int readOffset, int readLen, out int numWritten, out int numRead)
{
// implement this method if you support NativeI2CWriteRead for faster DaisyLink performance
// otherwise, the DaisyLink I2C interface will be supported in Gadgeteer.dll in managed code.
return(SoftwareI2CBus.DirectI2CWriteRead(socket.CpuPins[(int)scl], socket.CpuPins[(int)sda], 100, address, write, writeOffset, writeLen, read, readOffset, readLen, out numWritten, out numRead));
}
bool NativeI2CWriteRead(GT.Socket socket, GT.Socket.Pin sda, GT.Socket.Pin scl, byte address, byte[] write, int writeOffset, int writeLen, byte[] read, int readOffset, int readLen, out int numWritten, out int numRead)
{
return(SoftwareI2CBus.DirectI2CWriteRead(socket.CpuPins[(int)scl], socket.CpuPins[(int)sda], 100, address, write, writeOffset, writeLen, read, readOffset, readLen, out numWritten, out numRead));
}
