Diff: HSP/LoggingService/DataLoggingService.cpp

Revision:

0:8e4630a71eb1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HSP/LoggingService/DataLoggingService.cpp	Thu Apr 05 10:53:26 2018 +0300
@@ -0,0 +1,613 @@
+/*******************************************************************************
+ * 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 "mbed.h"
+#include "Logging.h"
+#include "Streaming.h"
+#include "RpcServer.h"
+#include "S25FS512.h"
+#include "PacketFifo.h"
+#include "DataLoggingService.h"
+#include "HspLed.h"
+#include "MAX30001_helper.h"
+#include "StringInOut.h"
+#include "StringHelper.h"
+#include "Peripherals.h"
+#include "Device_Logging.h"
+
+/// BMP280 logging object reference
+extern Device_Logging *bmp280_Logging;
+/// MAX14720 instance 0 logging object reference
+extern Device_Logging *MAX30205_0_Logging;
+/// MAX14720 instance 1 logging object reference
+extern Device_Logging *MAX30205_1_Logging;
+
+#define PING_PONG_BUFFER_SIZE 512
+#define HALF_OF_PING_PONG_BUFFER_SIZE PING_PONG_BUFFER_SIZE / 2
+#define MISSION_DEFINITION_SIZE 4096
+#define MISSION_FILE_NAME_LEN 32
+
+eLoggingTrigger loggingTrigger;
+
+/// file on SDCard where mission strings are stored
+char missionFileName[MISSION_FILE_NAME_LEN] = "/sd/missions.txt";
+
+/// data file on SDCard where mission strings are stored
+char dataFileName[MISSION_FILE_NAME_LEN] = "/sd/data.txt";
+
+/// buffer where mission strings are stored
+char loggingMissionCmds[MISSION_DEFINITION_SIZE];
+/// This houses two 256 byte ram concatenated to act as a ping-pong
+uint8_t PingPong_SRAM[PING_PONG_BUFFER_SIZE];
+uint32_t buttonTrigger = 0;
+
+eLoggingOutput loggingOutput;
+// extern int bleStartCommand;
+bool volatile globalFlag;
+extern int highDataRate;
+static uint32_t currentPage;
+static uint32_t sramIndex;
+/// flag to indicate that sram buffer 0 is dirty and will need to be flushed
+static uint32_t sram_buffer_0_dirty;
+/// flag to indicate that sram buffer 1 is dirty and will need to be flushed
+static uint32_t sram_buffer_1_dirty;
+/// usb byte buffer for sending out a bulk transfer
+static uint8_t usb_block[64];
+/// running index used to accumulate bytes to send as a block via bulk transfer
+static uint16_t usb_block_index = 0;
+
+typedef enum {
+  eStartEvent_NULL,
+  eStartEvent_BLE,
+  eStartEvent_BUTTON,
+  eStartEvent_RPC_TO_USB,
+  eStartEvent_RPC_TO_FLASH
+} eStartEvent;
+static eStartEvent startEvent;
+
+/**
+* @brief Sets a flag to start USB logging (streaming)
+*/
+void LoggingService_StartLoggingUsb(void) {
+  loggingTrigger = eTriggerLog_RPC_USB;
+}
+
+/**
+* @brief Sets a flag to start flash logging
+*/
+void LoggingService_StartLoggingFlash(void) {
+  loggingTrigger = eTriggerLog_RPC_FLASH;
+}
+
+/**
+* @brief Checks the various logging start condition
+* @return 1 if a start condition is true, 0 if there is no start condition
+*/
+static bool _LoggingService_CheckStartCondition(void) {
+  bool buttonPressed;
+  buttonPressed = Peripherals::pushButton()->GetButtonFallState();
+
+  // default not logging USB or flash
+  loggingOutput = eLogToNothing;
+  startEvent = eStartEvent_NULL;
+  if (buttonPressed) {
+    Peripherals::pushButton()->clearButtonFallState();
+    // a falling state has been detected... wait for a fraction of a second and
+    // re-read the pin
+    //   only start datalogging if the pin was released within this wait time
+    wait(0.75f);
+    int buttonRead = Peripherals::pushButton()->Read();
+    // if after a period of time the button is still pressed then get out
+    if (buttonRead == 0)
+      return 0;
+    buttonTrigger = 0;
+
+    loggingTrigger = eTriggerLog_BUTTON;
+    loggingOutput = eLogToFlash;
+    startEvent = eStartEvent_BUTTON;
+    return true;
+  }
+  if (loggingTrigger == eTriggerLog_RPC_FLASH) {
+    loggingOutput = eLogToFlash;
+    startEvent = eStartEvent_RPC_TO_FLASH;
+    return true;
+  }
+  /*if (Peripherals::hspBLE()->getStartDataLogging()) {
+    loggingTrigger = eTriggerLog_BLE;
+    loggingOutput = eLogToFlash;
+    startEvent = eStartEvent_BLE;
+    return true;
+  }*/
+  // check if start is from RPC call for USB streaming
+  if (loggingTrigger == eTriggerLog_RPC_USB) {
+    loggingOutput = eLogtoUsb;
+    startEvent = eStartEvent_RPC_TO_USB;
+    return true;
+  }
+  return false;
+}
+
+/**
+* @brief Read the mission string from flash into a buffer
+* @return false if a mission was not defined, true if mission was read and
+* buffered
+*/
+static bool _LoggingService_ReadMissionFromFlash(void) {
+  // get mission from flash
+  Logging_ReadMissionFromFlash((uint8_t *)loggingMissionCmds);
+  if (Logging_IsMissionDefined((uint8_t *)loggingMissionCmds) == 0) {
+    return false;
+  }
+  printf(loggingMissionCmds);
+  fflush(stdout);
+  RPC_ProcessCmds(loggingMissionCmds);
+  return true;
+}
+
+/**
+* @brief Read the mission string from SDCARD into a buffer
+* @return false if a mission was not defined, true if mission was read and
+* buffered
+*/
+static bool _LoggingService_ReadMissionFromSDCard(void) {
+  // get mission from flash
+  Logging_ReadMissionFromSDCard((uint8_t *)loggingMissionCmds);
+  if (Logging_IsMissionDefined((uint8_t *)loggingMissionCmds) == 0) {
+    return false;
+  }
+  printf(loggingMissionCmds);
+  fflush(stdout);
+  RPC_ProcessCmds(loggingMissionCmds);
+  return true;
+}
+
+/**
+* @brief Process a RPC command that is pointed to.
+* @param cmd RPC string to process
+*/
+void ProcessCmd(char *cmd) {
+  char cmd_[256];
+  char reply[512];
+  strcpy(cmd_, cmd);
+  RPC_call(cmd_, reply);
+}
+
+/**
+* @brief Buffer sensor fifo data in ram buffers, when a ram buffer is full (a
+* flash page worth of data is accumulated) then flash that buffer.
+*        A buffer ping pong method is used so that one buffer can be flashing as
+* the other buffer fills with sensor fifo data.
+* @param fifoData Sensor data taken from the fifo to be stored into flash
+*/
+static void _LoggingServer_OutputToFlash(uint32_t fifoData) {
+  uint32_t index;
+  char str[128];
+  uint8_t *ptr;
+  //
+  // Log To Flash
+  //
+  // i.e. there is data, read one 32-bit size data at a time.
+  // put the fifo data into the ping-pong SRAM
+  PingPong_SRAM[sramIndex++] = fifoData & 0xFF; // LSByte goes into index N
+  PingPong_SRAM[sramIndex++] = (fifoData >> 8) & 0xFF;
+  PingPong_SRAM[sramIndex++] = (fifoData >> 16) & 0xFF;
+  PingPong_SRAM[sramIndex++] = (fifoData >> 24) & 0xFF; // MSByte goes into index N+3
+
+  // flag this buffer as dirty
+  if (sramIndex <= 256)
+    sram_buffer_0_dirty = 1;
+  else
+    sram_buffer_1_dirty = 1;
+
+  if (sramIndex == 256 ||
+      sramIndex == 512) // Either Ping SRAM or Pong SRAM location is full
+  {                     // therefore write to Flash
+
+    index = sramIndex - 256;
+    ptr = &PingPong_SRAM[index];
+    sprintf(str, "currentPage=%d", currentPage);
+    Peripherals::s25FS512()->writePage_Helper(currentPage, ptr, 0);
+
+    // this page is no longer dirty
+    if (index == 0)
+      sram_buffer_0_dirty = 0;
+    if (index == 256)
+      sram_buffer_1_dirty = 0;
+
+    currentPage++;
+  }
+  sramIndex = sramIndex % 512; // Wrap around the index
+}
+
+/**
+* @brief Buffer sensor fifo data in ram buffers, when a ram buffer is full (a
+* flash page worth of data is accumulated) then flash that buffer.
+*        A buffer ping pong method is used so that one buffer can be flashing as
+* the other buffer fills with sensor fifo data.
+* @param fifoData Sensor data taken from the fifo to be stored into flash
+*/
+static void _LoggingServer_OutputToSDCard(FILE* fp, uint32_t fifoData) {
+	if (fp != NULL){
+		fwrite(&fifoData,sizeof(fifoData),1,fp);
+	}
+}
+
+/**
+* @brief If flash ram buffers are flagged as dirty, flush to flash
+*/
+static void _LoggingServer_WriteDirtySramBufferToFlash(void) {
+  uint8_t *ptr = PingPong_SRAM;
+  if (sram_buffer_0_dirty == 0 && sram_buffer_1_dirty == 0)
+    return;
+  if (sram_buffer_0_dirty == 1) {
+    ptr += 0;
+  }
+  if (sram_buffer_1_dirty == 1) {
+    ptr += 256;
+  }
+  printf("_LoggingServer_WriteDirtySramBufferToFlash:%d,%d\n",
+         sram_buffer_0_dirty, sram_buffer_1_dirty);
+  fflush(stdout);
+  // s25fs512_WritePage_Helper(currentPage, ptr, 0);
+  Peripherals::s25FS512()->writePage_Helper(currentPage, ptr, 0);
+}
+
+/**
+* @brief Initialize the USB block running index
+* @param fifoData Sensor data taken from the fifo to be sent out USB
+*/
+static void _LoggingServer_OutputToCdcAcm(uint32_t fifoData) {
+  uint8_t *ptr;
+  uint8_t str[16];
+  sprintf((char *)str, "%X ", fifoData);
+  ptr = str;
+  usb_block_index = 0;
+  while (*ptr != 0) {
+    usb_block[usb_block_index] = *ptr;
+    ptr++;
+    usb_block_index++;
+  }
+  Peripherals::usbSerial()->writeBlock(usb_block, usb_block_index);
+}
+
+/**
+* @brief Initialize the USB block running index
+*/
+static void _LoggingServer_OutputToCdcAcm_Start(void) { usb_block_index = 0; }
+
+/**
+* @brief Buffer up fifoData from sensors, do a USB block transfer if buffer is
+* full
+* @param fifoData Sensor data taken from the fifo to be send out USB within a
+* bulk block transfer
+* @return Return the success status of the writeblock operation
+*/
+static bool _LoggingServer_OutputToCdcAcm_Block(uint32_t fifoData) {
+  uint8_t str[64];
+  uint8_t *ptr;
+  bool result;
+  //
+  // Log to CDCACM
+  //
+  result = true;
+  sprintf((char *)str, "%X ", fifoData);
+  ptr = str;
+  while (*ptr != 0) {
+    usb_block[usb_block_index] = *ptr;
+    ptr++;
+    usb_block_index++;
+    if (usb_block_index >= 64) {
+      result = Peripherals::usbSerial()->writeBlock(usb_block, 64);
+      usb_block_index = 0;
+    }
+  }
+  return result;
+}
+
+/**
+* @brief Output a full USB block via bulk transfer
+*/
+static void _LoggingServer_OutputToCdcAcm_End(void) {
+  if (usb_block_index == 0)
+    return;
+  Peripherals::usbSerial()->writeBlock(usb_block, usb_block_index - 1);
+}
+
+/**
+* @brief Blink LED pattern that indicates that the flash end boundary has been
+* reached
+*/
+static void BlinkEndOfDatalogging(void) {
+  // blink to signal end of logging
+  Peripherals::hspLed()->pattern(0x55555555, 20);
+  wait(2);
+}
+
+/**
+* @brief Reads the first data page of flash, if all FF's then the page is empty
+* @return 1 if the flash is empty as indicated by the first data page of the
+* flash, 0 if not
+*/
+int isFlashEmpty(void) {
+  int i;
+  uint8_t data[256];
+  int firstDataPage = Logging_GetLoggingStartPage();
+  Peripherals::s25FS512()->readPages_Helper(firstDataPage, firstDataPage, data, 0);
+  for (i = 0; i < 256; i++) {
+    if (data[i] != 0xFF)
+      return 0;
+  }
+  return 1;
+}
+
+/**
+* @brief Reads the first data from SDCard, if all FF's then the page is empty
+* @return 1 if the flash is empty as indicated by the first data page of the
+* flash, 0 if not
+*/
+int isSDCardWithoutDataLog(void) {
+	FILE *fp = NULL;
+	fp = fopen(dataFileName, "rb");
+	if (fp != NULL) {
+		uint8_t count = 0;
+		do
+		{
+			count ++;
+			char c = (char)fgetc(fp);
+			if (count > 2) 
+			{
+				fclose(fp);
+				return 0;
+			}
+		} while(!feof(fp));
+		fclose(fp);
+	}
+	return 1;
+
+}
+
+/**
+* @brief Blink LED pattern that indicates that the flash is not empty and a new
+* flash logging session can not occur
+*/
+void BlinkFlashNotEmpty(void) {
+  Peripherals::hspLed()->pattern(0x55555555, 20);
+  wait(1);
+}
+
+void ExecuteDefaultMission(void) {
+  ProcessCmd("/MAX30001/CAL_InitStart 01 01 01 03 7FF 00");
+  ProcessCmd("/MAX30001/ECG_InitStart 01 01 01 00 02 03 1F 0 00 00 01");
+  ProcessCmd("/MAX30001/RtoR_InitStart 01 03 0F 00 03 01 00 00 01");
+  ProcessCmd("/MAX30001/Rbias_FMSTR_Init 01 02 01 01 00");
+}
+
+void LoggingService_Init(void) { loggingTrigger = eTriggerLog_NULL; }
+
+/**
+* @brief This routine checks to see if a USB or flash logging action needs to be taken
+*           The routine checks for a start condition via button press, USB command, or BLE command 
+*           Once one of these start conditions is present, the logging begins until stopped or memory is full
+* @return 1 if successful, 0 if error or logging was aborted and no logging occurred
+*/
+uint8_t LoggingService_ServiceRoutine(void) {
+  uint32_t fifoData;
+  uint32_t endPage;
+  FILE *fp;
+  USBSerial *usbSerial = Peripherals::usbSerial();
+  // BMP280 *bmp280 = Peripherals::bmp280();
+  bool buttonPressed;
+  bool endSDLogging = false;
+  int packetBurstCount = 0;
+  HspLed *hspLed = Peripherals::hspLed();
+
+  sramIndex = 0;
+  // only start logging if conditions exist
+
+	if (_LoggingService_CheckStartCondition() == false) return 0;
+	printf("Begin Logging...");
+	if (startEvent == eStartEvent_NULL) printf("eStartEvent_NULL..."); 
+	if (startEvent == eStartEvent_BLE) printf("eStartEvent_BLE..."); 
+	if (startEvent == eStartEvent_BUTTON) printf("eStartEvent_BUTTON..."); 
+	if (startEvent == eStartEvent_RPC_TO_USB) printf("eStartEvent_RPC_TO_USB..."); 
+	if (startEvent == eStartEvent_RPC_TO_FLASH) printf("eStartEvent_RPC_TO_FLASH..."); 
+	fflush(stdout);
+
+  // start logging stuttered blink pattern
+  hspLed->pattern(0xA0F3813, 20);
+
+  if (startEvent == eStartEvent_RPC_TO_FLASH ||
+      startEvent == eStartEvent_BUTTON) {
+    // check to see if datalog already in flash... abort and force user to erase
+    // flash if needed
+    if (loggingOutput == eLogToFlash) {
+      if (isSDCardWithoutDataLog() == 0) {
+        Logging_SetStart(false);
+        // bleStartCommand = 0x00;
+        BlinkFlashNotEmpty();
+        hspLed->blink(1000);
+        printf("Abort Logging, flash log exists. ");
+        fflush(stdout);
+        return 0;
+      }
+    }
+  }
+
+  if (startEvent == eStartEvent_BLE) {
+    // check for mission in flash
+    if (_LoggingService_ReadMissionFromSDCard() == false) {
+      // if there is no mission in flash then do a default mission for the sake
+      // of ble Android app working "out-of-the-box" and stream RtoR and Accel
+      printf("No Mission in Flash...ExecuteDefaultMission...");
+      fflush(stdout);
+      ExecuteDefaultMission();
+      // do not log this data
+      loggingOutput = eLogToNothing;
+    } else {
+      // there is a mission in flash check if there is already logged data
+      if (isSDCardWithoutDataLog() == 0) {
+        // just do default mission
+        printf("Logged Data Detected...ExecuteDefaultMission...");
+        fflush(stdout);
+        ExecuteDefaultMission();
+        // do not log this data
+        loggingOutput = eLogToNothing;
+      } else {
+        // flag that we are logging to flash
+        loggingOutput = eLogToFlash;
+      }
+    }
+  }
+
+  // if we are logging to flash then read mission in flash
+  if (loggingOutput == eLogToFlash) {
+    if (_LoggingService_ReadMissionFromSDCard() ==
+        false) { // if there is no mission in flash then get out
+      Logging_SetStart(false);
+      Peripherals::hspLed()->pattern(0xC3C3C3C3, 20);
+      wait(2);
+      printf("Abort Logging, Mission does not exist. ");
+      fflush(stdout);
+      return 0;
+    }
+    currentPage = Logging_GetLoggingStartPage();
+    endPage = Logging_GetLoggingEndPage();
+  }
+
+  MAX30001_Helper_SetupInterrupts();
+  if (MAX30001_AnyStreamingSet() == 1) {
+    MAX30001_Helper_StartSync();
+  }
+
+  SetDataLoggingStream(TRUE);
+
+  while (usbSerial->readable()) {
+    usbSerial->_getc();
+  }
+  fifo_clear(GetUSBIncomingFifo()); // clear USB serial incoming fifo
+  fifo_clear(GetStreamOutFifo());
+
+  sram_buffer_0_dirty = 0;
+  sram_buffer_1_dirty = 0;
+
+
+	if (loggingOutput == eLogToNothing) printf("eLogToNothing..."); fflush(stdout);
+	if (loggingOutput == eLogToFlash) printf("eLogToFlash..."); fflush(stdout);
+	if (loggingOutput == eLogtoUsb) printf("eLogtoUsb..."); fflush(stdout);
+	printf("highDataRate=%d...",highDataRate); fflush(stdout);
+
+
+  Peripherals::timestampTimer()->reset();
+  Peripherals::timestampTimer()->start();
+
+  _LoggingServer_OutputToCdcAcm_Start();
+  while (1) {
+    if (loggingOutput == eLogToFlash) {
+      // check if we are at the end of flash
+      if (currentPage >= endPage) {
+        BlinkEndOfDatalogging(); // blink for 3 seconds to signal end of logging
+        break;
+      }
+    }
+
+    if (startEvent == eStartEvent_BUTTON) {
+      buttonPressed = Peripherals::pushButton()->GetButtonFallState();
+      if (buttonPressed) {
+        printf("button pressed, flush the FIFO buffer to SDCard before ending logging\r\n");
+        Peripherals::pushButton()->clearButtonFallState();
+        // if there is a dirty sram buffer... flush it to flash
+        _LoggingServer_WriteDirtySramBufferToFlash();
+        endSDLogging = true;
+      }
+    }
+
+    if (startEvent == eStartEvent_RPC_TO_USB ||
+        startEvent == eStartEvent_RPC_TO_FLASH) {
+      if (usbSerial->available()) {
+        if (loggingOutput == eLogToFlash) {
+          _LoggingServer_WriteDirtySramBufferToFlash();
+        }
+        wait(0.2f);
+        while (usbSerial->available()) {
+          usbSerial->_getc();
+        }
+        fifo_clear(GetUSBIncomingFifo()); // clear USB serial incoming fifo
+        fifo_clear(GetStreamOutFifo());
+        break;
+      }
+    }
+	if (fp == NULL && loggingOutput == eLogToFlash)
+		fp = fopen(dataFileName, "ab+");
+    // check to see if data is available
+    packetBurstCount = 0;
+    while (PacketFifo_Empty() == 0) {
+      printf("*");
+      if (packetBurstCount >= 100 && endSDLogging == false)
+        break;
+      fifoData = PacketFifo_GetUint32();
+      if (loggingOutput == eLogToFlash) {
+        //_LoggingServer_OutputToFlash(fifoData);
+    	  _LoggingServer_OutputToSDCard(fp, fifoData);
+      }
+      if (loggingOutput == eLogtoUsb) {
+        if (highDataRate == 0)
+          _LoggingServer_OutputToCdcAcm(fifoData);
+        else
+          _LoggingServer_OutputToCdcAcm_Block(fifoData);
+      }
+      packetBurstCount++;
+    }
+    
+    if (endSDLogging) {
+    	endSDLogging = false;
+    	if (fp != NULL) fclose(fp);
+    	fp == NULL;
+    	BlinkEndOfDatalogging(); // blink for 3 seconds to signal end of logging
+        break;	
+    }
+
+  }
+  _LoggingServer_OutputToCdcAcm_End();
+  printf("End Logging.\n");
+  fflush(stdout);
+  
+  MAX30001_Helper_Stop(); // if any MAX30001 streams have been started, stop
+                          // them
+  SetDataLoggingStream(FALSE);
+  Peripherals::timestampTimer()->stop();
+  hspLed->blink(1000);
+  // default to non-usb packet speed optimizing
+  highDataRate = 0;
+  loggingTrigger = eTriggerLog_NULL;
+  return 1;
+}
+