repo time
Dependencies: mbed MAX14720 MAX30205 USBDevice
Diff: HspGuiSourceV301/GuiDLLs/RPCSupport/Devices/I2cDevice.cs
- Revision:
- 20:6d2af70c92ab
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HspGuiSourceV301/GuiDLLs/RPCSupport/Devices/I2cDevice.cs Tue Apr 06 06:41:40 2021 +0000 @@ -0,0 +1,166 @@ +/******************************************************************************* +* Copyright (C) 2016 Maxim Integrated Products, Inc., All rights Reserved. +* +* This software is protected by copyright laws of the United States and +* of foreign countries. This material may also be protected by patent laws +* and technology transfer regulations of the United States and of foreign +* countries. This software is furnished under a license agreement and/or a +* nondisclosure agreement and may only be used or reproduced in accordance +* with the terms of those agreements. Dissemination of this information to +* any party or parties not specified in the license agreement and/or +* nondisclosure agreement is expressly prohibited. +* +* The above copyright notice and this permission notice shall be included +* in all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES +* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +* OTHER DEALINGS IN THE SOFTWARE. +* +* Except as contained in this notice, the name of Maxim Integrated +* Products, Inc. shall not be used except as stated in the Maxim Integrated +* Products, Inc. Branding Policy. +* +* The mere transfer of this software does not imply any licenses +* of trade secrets, proprietary technology, copyrights, patents, +* trademarks, maskwork rights, or any other form of intellectual +* property whatsoever. Maxim Integrated Products, Inc. retains all +* ownership rights. +******************************************************************************* +*/ + +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; + +namespace RPCSupport.Devices +{ + public class I2cDevice : ClientDevice + { + int i2cSpeed = 1; // default to 400kHz + const string CLASSNAME = "I2c"; + public I2cDevice(RPCClient client) + : base(client) + { + } + public void SetI2cSpeed(int speed) + { + i2cSpeed = speed; + } + public byte ReadReg(byte instance, byte slaveAddress, byte addr) + { + byte[] dataToWrite = new byte[] { addr }; + byte numberToRead = 1; + byte[] data = WriteRead(instance, slaveAddress, dataToWrite, numberToRead); + return data[0]; + //string reply1 = Call(CLASSNAME, "Init", instance.ToString("X2"), i2cSpeed.ToString("X2")); + //string reply2 = Call(CLASSNAME, "Write", slaveAddress.ToString("X2"), "01", addr.ToString("X2")); + //string reply3 = Call(CLASSNAME, "Read", slaveAddress.ToString("X2"), "01"); + //return client.pipeline.StringToByte(reply3); + } + public void WriteReg(byte instance, byte slaveAddress, byte addr, byte data) + { + byte[] dataToWrite = new byte[] { addr, data }; + byte numberToRead = 0; + WriteRead(instance, slaveAddress, dataToWrite, numberToRead); + //Call(CLASSNAME, "WriteReg", instance.ToString("X2"), slaveAddress.ToString("X2"), addr.ToString("X2"), data.ToString("X2")); + } + public byte[] ReadMultiReg(byte instance, byte slaveAddress, byte addr, byte numBytes) + { + byte[] dataToWrite = new byte[] { addr }; + byte numberToRead = (byte)numBytes; + byte[] data = WriteRead(instance, slaveAddress, dataToWrite, numberToRead); + return data; + //string reply = Call(CLASSNAME, "ReadMultiReg", instance.ToString("X2"), slaveAddress.ToString("X2"), addr.ToString("X2"), numBytes.ToString("X2")); + //return client.pipeline.StringToMultiBytes(reply, numBytes); + } + + public void WriteMultiReg(byte instance, byte slaveAddress, byte addr, byte numberOf, byte[] data) + { + List<byte> dataToWrite = new List<byte>(); + dataToWrite.Add(addr); + dataToWrite.AddRange(data); + WriteRead(instance, slaveAddress, dataToWrite.ToArray(), 0); + //StringBuilder sb = new StringBuilder(); + //for (int i = 0; i < numberOf; i++) + //{ + // sb.Append(data[i].ToString("X2")); + // if (i != numberOf - 1) + // { + // sb.Append(" "); + // } + //} + //Call(CLASSNAME, "WriteMultiReg", instance.ToString("X2"), slaveAddress.ToString("X2"), addr.ToString("X2"), numberOf.ToString("X2"), sb.ToString()); + } + + public void ReadReg(DeviceSupport.DeviceDetails deviceDetails, DeviceSupport.RegisterInfo reg) + { + byte[] dataToWrite = new byte[] { (byte)reg.address }; + byte numberToRead = (byte)reg.numBytes; + byte[] data = WriteRead((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, dataToWrite, numberToRead); + for (int i = 0; i < data.Length; i++) + { + reg.data[i] = (int)data[i]; + } + //if (reg.numBytes == 1) + //{ + // byte data = ReadReg((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, (byte)reg.address); + // reg.data[0] = (int)data; + //} + //else + //{ + // byte[] data = ReadMultiReg((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, (byte)reg.address, (byte)reg.numBytes); + // for (int i = 0; i < data.Length; i++) + // { + // reg.data[i] = (int)data[i]; + // } + //} + } + + internal void WriteReg(DeviceSupport.DeviceDetails deviceDetails, DeviceSupport.RegisterInfo reg) + { + byte[] dataToWrite; + byte numberToRead = 0; + + dataToWrite = new byte[reg.numBytes + 1]; + dataToWrite[0] = (byte)reg.address; + for (int i = 0; i < reg.numBytes; i++) + { + dataToWrite[i + 1] = (byte)(reg.data[i]); + } + + WriteRead((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, dataToWrite, numberToRead); + //if (reg.numBytes == 1) + //{ + // WriteReg((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, (byte)reg.address, (byte)reg.data[0]); + //} + //else + //{ + // byte[] data = new byte[reg.numBytes]; + // for (int i = 0; i < data.Length; i++) + // { + // data[i] = (byte)reg.data[i]; + // } + // WriteMultiReg((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, (byte)reg.address, (byte)reg.numBytes, data); + //} + } + + public byte[] WriteRead(byte instance, byte slaveAddress, byte[] dataToWrite, byte numberToRead) + { + string dataToWriteStr = ""; + StringBuilder sb = new StringBuilder(); + for (int i = 0; i < dataToWrite.Length; i++) + { + sb.Append(dataToWrite[i].ToString("X2") + " "); + } + dataToWriteStr = sb.ToString().Trim(); + string reply = Call(CLASSNAME, "WriteRead", instance.ToString("X2"), slaveAddress.ToString("X2"), dataToWrite.Length.ToString("X2"),dataToWriteStr, numberToRead.ToString("X2")); + return client.pipeline.StringToMultiBytes(reply, numberToRead); + } + } +}