Blackwhitebear8/grovepi
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

first commit

Browse source
This commit is contained in:
pandacraft 2025-03-21 16:04:17 +01:00
commit a5a0434432
1126 changed files with 439481 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

122
Software/CSharp/GrovePi/GrovePi.cs Normal file
View file

@ -0,0 +1,122 @@
using System;
using Windows.Devices.I2c;
using GrovePi.Common;
namespace GrovePi
{
public interface IGrovePi
{
string GetFirmwareVersion();
byte DigitalRead(Pin pin);
void DigitalWrite(Pin pin, byte value);
int AnalogRead(Pin pin);
void AnalogWrite(Pin pin, byte value);
void PinMode(Pin pin, PinMode mode);
void Flush();
}
internal sealed class GrovePi : IGrovePi
{
internal GrovePi(I2cDevice device)
{
if (device == null) throw new ArgumentNullException(nameof(device));
DirectAccess = device;
}
internal I2cDevice DirectAccess { get; }
public string GetFirmwareVersion()
{
var wbuffer = new byte[4] {(byte) Command.Version, Constants.Unused, Constants.Unused, Constants.Unused};
var rbuffer = new byte[4];
var i2cTransferResult = DirectAccess.WritePartial(wbuffer);
if (i2cTransferResult.Status != I2cTransferStatus.FullTransfer)
{
return "0.0.0";
}
i2cTransferResult = DirectAccess.ReadPartial(rbuffer);
if (i2cTransferResult.Status != I2cTransferStatus.FullTransfer)
{
return "0.0.0";
}
return $"{rbuffer[1]}.{rbuffer[2]}.{rbuffer[3]}";
}
public byte DigitalRead(Pin pin)
{
var wbuffer = new byte[4] {(byte) Command.DigitalRead, (byte) pin, Constants.Unused, Constants.Unused};
var rBuffer = new byte[1];
var i2cTransferResult = DirectAccess.WritePartial(wbuffer);
Delay.Milliseconds(10);
if (i2cTransferResult.Status != I2cTransferStatus.FullTransfer)
{
return 0;
}
i2cTransferResult = DirectAccess.ReadPartial(rBuffer);
if (i2cTransferResult.Status != I2cTransferStatus.FullTransfer)
{
return 0;
}
return rBuffer[0];
}
public void DigitalWrite(Pin pin, byte value)
{
var buffer = new byte[4] {(byte) Command.DigitalWrite, (byte) pin, value, Constants.Unused};
DirectAccess.WritePartial(buffer);
Delay.Milliseconds(10);
}
public int AnalogRead(Pin pin)
{
var wbuffer = new byte[4]{(byte) Command.AnalogRead, (byte) pin, Constants.Unused, Constants.Unused};
var rbuffer = new byte[3];
var i2cTransferResult = DirectAccess.WritePartial(wbuffer);
Delay.Milliseconds(10);
if (i2cTransferResult.Status != I2cTransferStatus.FullTransfer)
{
return 0;
}
i2cTransferResult = DirectAccess.ReadPartial(rbuffer);
if (i2cTransferResult.Status != I2cTransferStatus.FullTransfer)
{
return 0;
}
return rbuffer[1]*256 + rbuffer[2];
}
public void AnalogWrite(Pin pin, byte value)
{
var buffer = new byte[4] {(byte) Command.AnalogWrite, (byte) pin, value, Constants.Unused};
DirectAccess.WritePartial(buffer);
Delay.Milliseconds(10);
}
public void PinMode(Pin pin, PinMode mode)
{
var buffer = new byte[4] {(byte) Command.PinMode, (byte) pin, (byte) mode, Constants.Unused};
DirectAccess.WritePartial(buffer);
Delay.Milliseconds(10);
}
public void Flush()
{
var buffer = new byte[4] { Constants.Unused, Constants.Unused, Constants.Unused, Constants.Unused };
DirectAccess.WritePartial(buffer);
}
private enum Command
{
DigitalRead = 1,
DigitalWrite = 2,
AnalogRead = 3,
AnalogWrite = 4,
PinMode = 5,
Version = 8,
//DhtProSensorTemp = 40,
};
}
}