text: /*******************************************************************************
   * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * 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.
   *******************************************************************************
   */
  #include "MAX30101_RPC.h"
  #include "StringHelper.h"
  #include "MAX30101.h"
  #include "Streaming.h"
  #include "RpcFifo.h"
  #include "RpcServer.h"
  #include "StringInOut.h"
  #include "MAX30101_helper.h"
  #include "LIS2DH.h"
  #include "Peripherals.h"
  #include "DataLoggingService.h"
  
  //******************************************************************************
  int MAX30101_WriteReg(char argStrs[32][32], char replyStrs[32][32]) {
  	uint8_t args[2];
  	uint8_t reply[1];
  	ProcessArgs(argStrs, args, sizeof(args));
  	reply[0] = 0x80;
  	FormatReply(reply, sizeof(reply), replyStrs);
  	return 0;
  }
  
  //******************************************************************************
  int MAX30101_ReadReg(char argStrs[32][32], char replyStrs[32][32]) {
  	uint8_t args[1];
  	uint8_t reply[1];
  	char value = 0;
  	ProcessArgs(argStrs, args, sizeof(args));
  	reply[0] = (uint8_t)value;
  	FormatReply(reply, sizeof(reply), replyStrs);
  	return 0;
  }
  
  //******************************************************************************
  int MAX30101_COMMinit(char argStrs[32][32], char replyStrs[32][32])
  {
  	uint8_t args[4];
  	uint8_t return_value = 0;
  	ProcessArgs(argStrs,args,sizeof(args));
  
  	strcpy(replyStrs[0],"80");
  	return return_value;
  }
  
  //******************************************************************************
  int MAX30101_SpO2mode_stop(char argStrs[32][32], char replyStrs[32][32])
  {
  	uint8_t args[4];
  	uint8_t return_value = 0;
  	ProcessArgs(argStrs,args,sizeof(args));
  
  	Peripherals::max30101()->SpO2mode_stop();
  
  	strcpy(replyStrs[0],"80");
  	return return_value;
  }
  
  //******************************************************************************
  int MAX30101_HRmode_stop(char argStrs[32][32], char replyStrs[32][32])
  {
  	uint8_t args[4];
  	ProcessArgs(argStrs,args,sizeof(args));
  
  	Peripherals::max30101()->HRmode_stop();
  
  	strcpy(replyStrs[0],"80");
  	return 0;
  }
  
  //******************************************************************************
  int MAX30101_Multimode_stop(char argStrs[32][32], char replyStrs[32][32])
  {
  	uint8_t args[4];
  	ProcessArgs(argStrs,args,sizeof(args));
  
  	Peripherals::max30101()->Multimode_stop();
  
  	strcpy(replyStrs[0],"80");
  	return 0;
  }
  
  //******************************************************************************
  void ClearInOutFifos() {
  	fifo_clear(GetStreamOutFifo());	   ///< clear stream out fifo
  	fifo_clear(GetUSBIncomingFifo());  ///< clear USB serial incoming fifo
  }
  
  int highDataRate = 0;
  #define MAX30101_200HZ	2
  #define MAX30101_400HZ	3
  
  /**
  * Adjust the threshold of the Accel based on the data rate
  * @lis2dhDataRate Data rate of the accel to determine what would be a good threshold value
  */
  static int adjustAccelThreshold(int lis2dhDataRate) {
  	int lis2dhFifoThreshold;
  	lis2dhFifoThreshold = 31;
  	if (lis2dhDataRate <= LIS2DH_DATARATE_50HZ) lis2dhFifoThreshold = 4; 
  	if (lis2dhDataRate == LIS2DH_DATARATE_100HZ) lis2dhFifoThreshold = 8; 
  	return lis2dhFifoThreshold;
  }
  
  /**
  * Evaluate the data rate of the Accel to see if we should stream using a high data rate mode
  * @lis2dhDataRate Data rate of the accel to determine if this is a high data rate
  */
  static void adjustHighDataRate(int lis2dhDataRate) {
  	highDataRate = 0;
  	if (lis2dhDataRate >= LIS2DH_DATARATE_200HZ) highDataRate = 1;
  }
  
  //******************************************************************************
  int MAX30101_SpO2mode_init(char argStrs[32][32], char replyStrs[32][32])
  {
  	uint8_t args[7];
  	uint8_t lis2dhDataRate;
  	uint8_t lis2dhFifoThreshold;
  	ProcessArgs(argStrs, args, sizeof(args));
  
  	ClearInOutFifos();
  	MAX30101_Helper_SetStreamingFlag(eStreaming_SPO2,1);
  	Peripherals::max30101()->SpO2mode_init(args[0], args[1], args[2], args[3], args[4], args[5]);
  
  	lis2dhDataRate = args[6];
  	lis2dhFifoThreshold = adjustAccelThreshold(lis2dhDataRate);
  	adjustHighDataRate(lis2dhDataRate);
  
  	Peripherals::lis2dh()->initStart(lis2dhDataRate,lis2dhFifoThreshold);
  	LoggingService_StartLoggingUsb();
  
  	strcpy(replyStrs[0],"80");
  	return 0;
  }
  
  //******************************************************************************
  int MAX30101_SpO2mode_InitStart(char argStrs[32][32], char replyStrs[32][32])
  {
  	uint8_t args[6];   // Size
  	ProcessArgs(argStrs, args, sizeof(args));
  
  	ClearInOutFifos();
  	MAX30101_Helper_SetStreamingFlag(eStreaming_SPO2,1);
  	if (args[2] >= MAX30101_200HZ) {
        highDataRate = 1;
      }
  	Peripherals::max30101()->SpO2mode_init(args[0], args[1], args[2], args[3], args[4], args[5]);
  
  	strcpy(replyStrs[0],"80");
  	return 0;
  }
  
  //******************************************************************************
  int MAX30101_HRmode_init(char argStrs[32][32], char replyStrs[32][32])
  {
  	uint8_t args[6];
  	uint8_t lis2dhDataRate;
  	uint8_t lis2dhFifoThreshold;
  	ProcessArgs(argStrs, args, sizeof(args));
  
  	ClearInOutFifos();
  	MAX30101_Helper_SetStreamingFlag(eStreaming_HR,1);
  	Peripherals::max30101()->HRmode_init(args[0], args[1], args[2], args[3], args[4]);
  
  	lis2dhDataRate = args[5];
  	lis2dhFifoThreshold = adjustAccelThreshold(lis2dhDataRate);
  	adjustHighDataRate(lis2dhDataRate);
  	
  	Peripherals::lis2dh()->initStart(lis2dhDataRate,lis2dhFifoThreshold);
  	LoggingService_StartLoggingUsb();
  	strcpy(replyStrs[0],"80");
  	return 0;
  }
  
  //******************************************************************************
  int MAX30101_HRmode_InitStart(char argStrs[32][32], char replyStrs[32][32])
  {
  	uint8_t args[5];
  	ProcessArgs(argStrs, args, sizeof(args));
  
  	ClearInOutFifos();
  	MAX30101_Helper_SetStreamingFlag(eStreaming_HR,1);
  	if (args[2] >= MAX30101_200HZ) {
        highDataRate = 1;
      }
  	Peripherals::max30101()->HRmode_init(args[0], args[1], args[2], args[3], args[4]);
  	strcpy(replyStrs[0],"80");
  	return 0;
  }
  
  //******************************************************************************
  int MAX30101_Multimode_init(char argStrs[32][32], char replyStrs[32][32])
  {
  	uint8_t args[12];
  	uint8_t lis2dhDataRate;
  	uint8_t lis2dhFifoThreshold;
  	ProcessArgs(argStrs, args, sizeof(args));
  
  	ClearInOutFifos();
  
  	lis2dhDataRate = args[11];
  	lis2dhFifoThreshold = adjustAccelThreshold(lis2dhDataRate);
  	adjustHighDataRate(lis2dhDataRate);
  	
  	Peripherals::lis2dh()->initStart(lis2dhDataRate,lis2dhFifoThreshold);
  
  	wait(0.1f);
  	MAX30101_Helper_SetStreamingFlag(eStreaming_MULTI, 1);
  	Peripherals::max30101()->Multimode_init(args[0], args[1], args[2],
  											args[3], args[4], args[5], args[6],
  											args[7], args[8], args[9], args[10]);
  	LoggingService_StartLoggingUsb();
  
  	strcpy(replyStrs[0],"80");
  	return 0;
  }
  
  //******************************************************************************
  int MAX30101_Multimode_InitStart(char argStrs[32][32], char replyStrs[32][32])
  {
  	uint8_t args[11];
  	ProcessArgs(argStrs, args, sizeof(args));
  
  	ClearInOutFifos();
  	MAX30101_Helper_SetStreamingFlag(eStreaming_MULTI, 1);
  	if (args[2] >= MAX30101_200HZ) {
        highDataRate = 1;
      }
  	Peripherals::max30101()->Multimode_init(args[0], args[1], args[2],
  											args[3], args[4], args[5], args[6],
  											args[7], args[8], args[9], args[10]);
  
  	strcpy(replyStrs[0],"80");
  	return 0;
  }
  
  
  
  