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21d62c0c36
Added to comments in openpilot.c git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@58 ebee16cc-31ac-478f-84a7-5cbb03baadba
104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/**
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******************************************************************************
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*
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* @file op_logging.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2009.
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* @brief OpenPilot Logging Functions
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* @see The GNU Public License (GPL) Version 3
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* @defgroup OP_LOGGING Logging Functions
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* @{
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* OpenPilot Includes */
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#include "openpilot.h"
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/* Global Variables */
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xQueueHandle xLoggingQueue;
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/* Local Variables */
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static uint8_t FlightLogFilename[128];
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/* Local Functions */
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static void OP_Logging_MicroSDGateKeeperTask(void *pvParameters);
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/**
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* Main function
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*/
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void OP_Logging_Init(void)
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{
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uint16_t FileCount;
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FILINFO DummyFileInfo;
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/* Create the logging queue */
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xLoggingQueue = xQueueCreate(15, sizeof(LogTypeDef));
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/* This is a crude way to file the next avaiable number avaiable */
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/* The proper way would be to use folders with dates, we will get to that later */
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for(FileCount = 0; FileCount < 65536; FileCount++) {
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sprintf((char *)FlightLogFilename, "Flight_Log_%d.txt", FileCount);
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if(f_stat((char *)FlightLogFilename, &DummyFileInfo) != FR_OK) {
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/* We have come to a file that doesn't extist */
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break;
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}
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}
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/* Start the gatekeeper task */
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xTaskCreate(OP_Logging_MicroSDGateKeeperTask, (signed portCHAR *) "Logging_MicroSDGateKeeperTask", configMINIMAL_STACK_SIZE, NULL, OP_LOGGING_TASK_PRI, NULL);
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}
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/**
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* Task to handle the MicroSD log que
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*/
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void OP_Logging_MicroSDGateKeeperTask(void *pvParameters)
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{
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FIL File;
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LogTypeDef pcMessageToLog;
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for(;;) {
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xQueueReceive(xLoggingQueue, &pcMessageToLog, portMAX_DELAY);
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/* We don't want this take to get pre-empted, so enter critical state */
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/* If we do get pre-empted we face corrupting the MicroSD filesystem */
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taskENTER_CRITICAL();
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/* Open the correct log file */
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switch(pcMessageToLog.Type) {
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case FLIGHT_LOG:
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f_open(&File, (char *)FlightLogFilename, FA_OPEN_EXISTING);
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break;
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case RC_LOG:
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break;
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}
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/* Write the stuff */
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f_puts(pcMessageToLog.Message, &File);
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/* Sync the MicroSD Card */
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f_sync(&File);
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/* Close the file */
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f_close(&File);
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/* Exit the critical stage */
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taskEXIT_CRITICAL();
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}
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}
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