repo time

Dependencies:   mbed MAX14720 MAX30205 USBDevice

Committer:
darienf
Date:
Tue Apr 06 06:41:40 2021 +0000
Revision:
20:6d2af70c92ab
another repo

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darienf 20:6d2af70c92ab 1 /*******************************************************************************
darienf 20:6d2af70c92ab 2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All rights Reserved.
darienf 20:6d2af70c92ab 3 *
darienf 20:6d2af70c92ab 4 * This software is protected by copyright laws of the United States and
darienf 20:6d2af70c92ab 5 * of foreign countries. This material may also be protected by patent laws
darienf 20:6d2af70c92ab 6 * and technology transfer regulations of the United States and of foreign
darienf 20:6d2af70c92ab 7 * countries. This software is furnished under a license agreement and/or a
darienf 20:6d2af70c92ab 8 * nondisclosure agreement and may only be used or reproduced in accordance
darienf 20:6d2af70c92ab 9 * with the terms of those agreements. Dissemination of this information to
darienf 20:6d2af70c92ab 10 * any party or parties not specified in the license agreement and/or
darienf 20:6d2af70c92ab 11 * nondisclosure agreement is expressly prohibited.
darienf 20:6d2af70c92ab 12 *
darienf 20:6d2af70c92ab 13 * The above copyright notice and this permission notice shall be included
darienf 20:6d2af70c92ab 14 * in all copies or substantial portions of the Software.
darienf 20:6d2af70c92ab 15 *
darienf 20:6d2af70c92ab 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
darienf 20:6d2af70c92ab 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
darienf 20:6d2af70c92ab 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
darienf 20:6d2af70c92ab 19 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
darienf 20:6d2af70c92ab 20 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
darienf 20:6d2af70c92ab 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
darienf 20:6d2af70c92ab 22 * OTHER DEALINGS IN THE SOFTWARE.
darienf 20:6d2af70c92ab 23 *
darienf 20:6d2af70c92ab 24 * Except as contained in this notice, the name of Maxim Integrated
darienf 20:6d2af70c92ab 25 * Products, Inc. shall not be used except as stated in the Maxim Integrated
darienf 20:6d2af70c92ab 26 * Products, Inc. Branding Policy.
darienf 20:6d2af70c92ab 27 *
darienf 20:6d2af70c92ab 28 * The mere transfer of this software does not imply any licenses
darienf 20:6d2af70c92ab 29 * of trade secrets, proprietary technology, copyrights, patents,
darienf 20:6d2af70c92ab 30 * trademarks, maskwork rights, or any other form of intellectual
darienf 20:6d2af70c92ab 31 * property whatsoever. Maxim Integrated Products, Inc. retains all
darienf 20:6d2af70c92ab 32 * ownership rights.
darienf 20:6d2af70c92ab 33 *******************************************************************************
darienf 20:6d2af70c92ab 34 */
darienf 20:6d2af70c92ab 35
darienf 20:6d2af70c92ab 36 using System;
darienf 20:6d2af70c92ab 37 using System.Collections.Generic;
darienf 20:6d2af70c92ab 38 using System.Linq;
darienf 20:6d2af70c92ab 39 using System.Text;
darienf 20:6d2af70c92ab 40
darienf 20:6d2af70c92ab 41 namespace RPCSupport.Devices
darienf 20:6d2af70c92ab 42 {
darienf 20:6d2af70c92ab 43 public class I2cDevice : ClientDevice
darienf 20:6d2af70c92ab 44 {
darienf 20:6d2af70c92ab 45 int i2cSpeed = 1; // default to 400kHz
darienf 20:6d2af70c92ab 46 const string CLASSNAME = "I2c";
darienf 20:6d2af70c92ab 47 public I2cDevice(RPCClient client)
darienf 20:6d2af70c92ab 48 : base(client)
darienf 20:6d2af70c92ab 49 {
darienf 20:6d2af70c92ab 50 }
darienf 20:6d2af70c92ab 51 public void SetI2cSpeed(int speed)
darienf 20:6d2af70c92ab 52 {
darienf 20:6d2af70c92ab 53 i2cSpeed = speed;
darienf 20:6d2af70c92ab 54 }
darienf 20:6d2af70c92ab 55 public byte ReadReg(byte instance, byte slaveAddress, byte addr)
darienf 20:6d2af70c92ab 56 {
darienf 20:6d2af70c92ab 57 byte[] dataToWrite = new byte[] { addr };
darienf 20:6d2af70c92ab 58 byte numberToRead = 1;
darienf 20:6d2af70c92ab 59 byte[] data = WriteRead(instance, slaveAddress, dataToWrite, numberToRead);
darienf 20:6d2af70c92ab 60 return data[0];
darienf 20:6d2af70c92ab 61 //string reply1 = Call(CLASSNAME, "Init", instance.ToString("X2"), i2cSpeed.ToString("X2"));
darienf 20:6d2af70c92ab 62 //string reply2 = Call(CLASSNAME, "Write", slaveAddress.ToString("X2"), "01", addr.ToString("X2"));
darienf 20:6d2af70c92ab 63 //string reply3 = Call(CLASSNAME, "Read", slaveAddress.ToString("X2"), "01");
darienf 20:6d2af70c92ab 64 //return client.pipeline.StringToByte(reply3);
darienf 20:6d2af70c92ab 65 }
darienf 20:6d2af70c92ab 66 public void WriteReg(byte instance, byte slaveAddress, byte addr, byte data)
darienf 20:6d2af70c92ab 67 {
darienf 20:6d2af70c92ab 68 byte[] dataToWrite = new byte[] { addr, data };
darienf 20:6d2af70c92ab 69 byte numberToRead = 0;
darienf 20:6d2af70c92ab 70 WriteRead(instance, slaveAddress, dataToWrite, numberToRead);
darienf 20:6d2af70c92ab 71 //Call(CLASSNAME, "WriteReg", instance.ToString("X2"), slaveAddress.ToString("X2"), addr.ToString("X2"), data.ToString("X2"));
darienf 20:6d2af70c92ab 72 }
darienf 20:6d2af70c92ab 73 public byte[] ReadMultiReg(byte instance, byte slaveAddress, byte addr, byte numBytes)
darienf 20:6d2af70c92ab 74 {
darienf 20:6d2af70c92ab 75 byte[] dataToWrite = new byte[] { addr };
darienf 20:6d2af70c92ab 76 byte numberToRead = (byte)numBytes;
darienf 20:6d2af70c92ab 77 byte[] data = WriteRead(instance, slaveAddress, dataToWrite, numberToRead);
darienf 20:6d2af70c92ab 78 return data;
darienf 20:6d2af70c92ab 79 //string reply = Call(CLASSNAME, "ReadMultiReg", instance.ToString("X2"), slaveAddress.ToString("X2"), addr.ToString("X2"), numBytes.ToString("X2"));
darienf 20:6d2af70c92ab 80 //return client.pipeline.StringToMultiBytes(reply, numBytes);
darienf 20:6d2af70c92ab 81 }
darienf 20:6d2af70c92ab 82
darienf 20:6d2af70c92ab 83 public void WriteMultiReg(byte instance, byte slaveAddress, byte addr, byte numberOf, byte[] data)
darienf 20:6d2af70c92ab 84 {
darienf 20:6d2af70c92ab 85 List<byte> dataToWrite = new List<byte>();
darienf 20:6d2af70c92ab 86 dataToWrite.Add(addr);
darienf 20:6d2af70c92ab 87 dataToWrite.AddRange(data);
darienf 20:6d2af70c92ab 88 WriteRead(instance, slaveAddress, dataToWrite.ToArray(), 0);
darienf 20:6d2af70c92ab 89 //StringBuilder sb = new StringBuilder();
darienf 20:6d2af70c92ab 90 //for (int i = 0; i < numberOf; i++)
darienf 20:6d2af70c92ab 91 //{
darienf 20:6d2af70c92ab 92 // sb.Append(data[i].ToString("X2"));
darienf 20:6d2af70c92ab 93 // if (i != numberOf - 1)
darienf 20:6d2af70c92ab 94 // {
darienf 20:6d2af70c92ab 95 // sb.Append(" ");
darienf 20:6d2af70c92ab 96 // }
darienf 20:6d2af70c92ab 97 //}
darienf 20:6d2af70c92ab 98 //Call(CLASSNAME, "WriteMultiReg", instance.ToString("X2"), slaveAddress.ToString("X2"), addr.ToString("X2"), numberOf.ToString("X2"), sb.ToString());
darienf 20:6d2af70c92ab 99 }
darienf 20:6d2af70c92ab 100
darienf 20:6d2af70c92ab 101 public void ReadReg(DeviceSupport.DeviceDetails deviceDetails, DeviceSupport.RegisterInfo reg)
darienf 20:6d2af70c92ab 102 {
darienf 20:6d2af70c92ab 103 byte[] dataToWrite = new byte[] { (byte)reg.address };
darienf 20:6d2af70c92ab 104 byte numberToRead = (byte)reg.numBytes;
darienf 20:6d2af70c92ab 105 byte[] data = WriteRead((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, dataToWrite, numberToRead);
darienf 20:6d2af70c92ab 106 for (int i = 0; i < data.Length; i++)
darienf 20:6d2af70c92ab 107 {
darienf 20:6d2af70c92ab 108 reg.data[i] = (int)data[i];
darienf 20:6d2af70c92ab 109 }
darienf 20:6d2af70c92ab 110 //if (reg.numBytes == 1)
darienf 20:6d2af70c92ab 111 //{
darienf 20:6d2af70c92ab 112 // byte data = ReadReg((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, (byte)reg.address);
darienf 20:6d2af70c92ab 113 // reg.data[0] = (int)data;
darienf 20:6d2af70c92ab 114 //}
darienf 20:6d2af70c92ab 115 //else
darienf 20:6d2af70c92ab 116 //{
darienf 20:6d2af70c92ab 117 // byte[] data = ReadMultiReg((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, (byte)reg.address, (byte)reg.numBytes);
darienf 20:6d2af70c92ab 118 // for (int i = 0; i < data.Length; i++)
darienf 20:6d2af70c92ab 119 // {
darienf 20:6d2af70c92ab 120 // reg.data[i] = (int)data[i];
darienf 20:6d2af70c92ab 121 // }
darienf 20:6d2af70c92ab 122 //}
darienf 20:6d2af70c92ab 123 }
darienf 20:6d2af70c92ab 124
darienf 20:6d2af70c92ab 125 internal void WriteReg(DeviceSupport.DeviceDetails deviceDetails, DeviceSupport.RegisterInfo reg)
darienf 20:6d2af70c92ab 126 {
darienf 20:6d2af70c92ab 127 byte[] dataToWrite;
darienf 20:6d2af70c92ab 128 byte numberToRead = 0;
darienf 20:6d2af70c92ab 129
darienf 20:6d2af70c92ab 130 dataToWrite = new byte[reg.numBytes + 1];
darienf 20:6d2af70c92ab 131 dataToWrite[0] = (byte)reg.address;
darienf 20:6d2af70c92ab 132 for (int i = 0; i < reg.numBytes; i++)
darienf 20:6d2af70c92ab 133 {
darienf 20:6d2af70c92ab 134 dataToWrite[i + 1] = (byte)(reg.data[i]);
darienf 20:6d2af70c92ab 135 }
darienf 20:6d2af70c92ab 136
darienf 20:6d2af70c92ab 137 WriteRead((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, dataToWrite, numberToRead);
darienf 20:6d2af70c92ab 138 //if (reg.numBytes == 1)
darienf 20:6d2af70c92ab 139 //{
darienf 20:6d2af70c92ab 140 // WriteReg((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, (byte)reg.address, (byte)reg.data[0]);
darienf 20:6d2af70c92ab 141 //}
darienf 20:6d2af70c92ab 142 //else
darienf 20:6d2af70c92ab 143 //{
darienf 20:6d2af70c92ab 144 // byte[] data = new byte[reg.numBytes];
darienf 20:6d2af70c92ab 145 // for (int i = 0; i < data.Length; i++)
darienf 20:6d2af70c92ab 146 // {
darienf 20:6d2af70c92ab 147 // data[i] = (byte)reg.data[i];
darienf 20:6d2af70c92ab 148 // }
darienf 20:6d2af70c92ab 149 // WriteMultiReg((byte)deviceDetails.i2cInstance, (byte)deviceDetails.i2cSlaveAddress, (byte)reg.address, (byte)reg.numBytes, data);
darienf 20:6d2af70c92ab 150 //}
darienf 20:6d2af70c92ab 151 }
darienf 20:6d2af70c92ab 152
darienf 20:6d2af70c92ab 153 public byte[] WriteRead(byte instance, byte slaveAddress, byte[] dataToWrite, byte numberToRead)
darienf 20:6d2af70c92ab 154 {
darienf 20:6d2af70c92ab 155 string dataToWriteStr = "";
darienf 20:6d2af70c92ab 156 StringBuilder sb = new StringBuilder();
darienf 20:6d2af70c92ab 157 for (int i = 0; i < dataToWrite.Length; i++)
darienf 20:6d2af70c92ab 158 {
darienf 20:6d2af70c92ab 159 sb.Append(dataToWrite[i].ToString("X2") + " ");
darienf 20:6d2af70c92ab 160 }
darienf 20:6d2af70c92ab 161 dataToWriteStr = sb.ToString().Trim();
darienf 20:6d2af70c92ab 162 string reply = Call(CLASSNAME, "WriteRead", instance.ToString("X2"), slaveAddress.ToString("X2"), dataToWrite.Length.ToString("X2"),dataToWriteStr, numberToRead.ToString("X2"));
darienf 20:6d2af70c92ab 163 return client.pipeline.StringToMultiBytes(reply, numberToRead);
darienf 20:6d2af70c92ab 164 }
darienf 20:6d2af70c92ab 165 }
darienf 20:6d2af70c92ab 166 }