Jerry Bradshaw
ddd
Diff: HSP/LoggingService/DataLoggingService.cpp
- Revision:
- 0:e4a10ed6eb92
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HSP/LoggingService/DataLoggingService.cpp Tue Oct 25 15:22:11 2016 +0000
@@ -0,0 +1,567 @@
+/*******************************************************************************
+ * 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 "BMP280.h"
+#include "PacketFifo.h"
+#include "DataLoggingService.h"
+#include "ServiceNonInterrupt.h"
+#include "HspLed.h"
+#include "MAX30001_helper.h"
+#include "MAX30101_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
+
+eLoggingTrigger loggingTrigger;
+
+/// 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 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 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 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");
+ ProcessCmd("/LIS2DH/InitStart 02 01");
+}
+
+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;
+ USBSerial *usbSerial = Peripherals::usbSerial();
+ // BMP280 *bmp280 = Peripherals::bmp280();
+ bool buttonPressed;
+ 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 (isFlashEmpty() == 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_ReadMissionFromFlash() == 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 (isFlashEmpty() == 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_ReadMissionFromFlash() ==
+ 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);
+ ServiceNonInterrupt_Init();
+ ServiceNonInterrupt_StartTimer();
+
+ 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) {
+ Peripherals::pushButton()->clearButtonFallState();
+ // if there is a dirty sram buffer... flush it to flash
+ _LoggingServer_WriteDirtySramBufferToFlash();
+ BlinkEndOfDatalogging(); // blink for 3 seconds to signal end of logging
+ break;
+ }
+ }
+
+ if (loggingTrigger == eTriggerLog_BLE) {
+ if (Peripherals::hspBLE()->getStartDataLogging() == false) {
+ // if there is a dirty sram buffer... flush it to flash
+ _LoggingServer_WriteDirtySramBufferToFlash();
+ BlinkEndOfDatalogging(); // blink for 3 seconds to signal end of logging
+ break;
+ }
+ }
+
+ 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;
+ }
+ }
+
+ // check to see if data is available
+ packetBurstCount = 0;
+ while (PacketFifo_Empty() == 0) {
+ if (packetBurstCount >= 100)
+ break;
+ fifoData = PacketFifo_GetUint32();
+ if (loggingOutput == eLogToFlash) {
+ _LoggingServer_OutputToFlash(fifoData);
+ }
+ if (loggingOutput == eLogtoUsb) {
+ if (highDataRate == 0)
+ _LoggingServer_OutputToCdcAcm(fifoData);
+ else
+ _LoggingServer_OutputToCdcAcm_Block(fifoData);
+ }
+ packetBurstCount++;
+ }
+
+ if (PacketFifo_Empty() != 0) {
+ Peripherals::ble()->waitForEvent();
+ }
+ ServiceNonInterrupt_BMP280(bmp280_Logging);
+ ServiceNonInterrupt_MAX30205(MAX30205_0_Logging,
+ Peripherals::max30205_top(),
+ PACKET_MAX30205_TEMP_TOP);
+ ServiceNonInterrupt_MAX30205(MAX30205_1_Logging,
+ Peripherals::max30205_bottom(),
+ PACKET_MAX30205_TEMP_BOTTOM);
+ }
+ _LoggingServer_OutputToCdcAcm_End();
+ printf("End Logging.\n");
+ fflush(stdout);
+
+ bmp280_Logging->stop();
+ MAX30205_0_Logging->stop();
+ MAX30205_1_Logging->stop();
+ MAX30001_Helper_Stop(); // if any MAX30001 streams have been started, stop
+ // them
+ MAX30101_Helper_Stop(); // if any MAX30101 streams have been started, stop
+ // them
+ Peripherals::lis2dh()->stop();
+ SetDataLoggingStream(FALSE);
+ Peripherals::timestampTimer()->stop();
+ hspLed->blink(1000);
+ // default to non-usb packet speed optimizing
+ highDataRate = 0;
+ loggingTrigger = eTriggerLog_NULL;
+ return 1;
+}