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LibrePilot/flight/PiOS/Common/pios_settings.c
gussy 53ea65bb2f Updated PIOS_Settings_CheckForFiles routine to work with DFS.
Startup procedure now waits for SD Card with the correct settings files on it.
Refactored a few global PIOS_SDCARD names.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@140 ebee16cc-31ac-478f-84a7-5cbb03baadba
2010-01-25 16:30:31 +00:00

113 lines
3.5 KiB
C

/**
******************************************************************************
*
* @file pios_settings.c
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2009.
* @brief Gets and sets PiOS settings, normally from SDCard.
* @see The GNU Public License (GPL) Version 3
* @defgroup PIOS_SETTINGS Settings Functions
* @{
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Project Includes */
#include "pios.h"
/* Private Function Prototypes */
/* Local Variables */
SettingsTypeDef Settings;
/**
* Populate System global Settings into Structs using MinIni, defaults are also set here via macros from pios_config.h
*/
/* Value Reading: ini_getl("Section", "Key", (DefaultValue), IniFile); */
/* String Reading: ini_gets("Section", "Key", "DefaultValue", StrBuffer, sizearray(StrBuffer), IniFile); */
void PIOS_Settings_Load(void)
{
/* Unused yet, until we load strings
char StrBuffer[100];
long Result;
*/
/* Section: GPS */
Settings.GPS.Baudrate = (uint32_t) ini_getl("GPS", "Baudrate", GPS_BAUDRATE, SETTINGS_FILE);
/* Section: Telemetry */
Settings.Telem.Baudrate = (uint32_t) ini_getl("Telemetry", "Baudrate", TELEM_BAUDRATE, SETTINGS_FILE);
/* Section: Auxillary_USART */
Settings.AuxUSART.Enabled = (bool) ini_getl("Auxillary_USART", "Enabled", AUXUART_ENABLED, SETTINGS_FILE);
Settings.AuxUSART.Baudrate = (uint32_t) ini_getl("Auxillary_USART", "Baudrate", AUXUART_BAUDRATE, SETTINGS_FILE);
/* Section: Servos */
Settings.Servos.PositionMin = (uint16_t) ini_getl("Servos", "PositionMin", SERVOS_POSITION_MIN, SETTINGS_FILE);
Settings.Servos.PositionMax = (uint16_t) ini_getl("Servos", "PositionMax", SERVOS_POSITION_MAX, SETTINGS_FILE);
}
/**
* Dump Settings struct contents to UART
* \param[in] USARTx USART name (GPS, TELEM, AUX)
*/
void PIOS_Settings_Dump(USART_TypeDef* USARTx)
{
/* Implement once UART is fully implemented */
}
/**
* Check if settings files exist on the drive
* \return 0 All files found
* \return >0 Number of files missing
*/
int32_t PIOS_Settings_CheckForFiles(void)
{
DIRINFO di;
DIRENT de;
int FoundCount = 0;
di.scratch = PIOS_SDCARD_Sector;
/* Open the root directory */
DFS_OpenDir(&PIOS_SDCARD_VolInfo, (uint8_t *)"", &di);
/* Scan the directory for all files */
while(!DFS_GetNext(&PIOS_SDCARD_VolInfo, &di, &de)) {
if(de.name[0]) {
uint8_t file_name[13];
DFS_DirToCanonical((char *)file_name, (char *)de.name);
if(strcmp((char *)file_name, SETTINGS_FILE) == 0) {
FoundCount++;
}
}
}
/* If one or more files are missing, return the number of missing files */
if(FoundCount != 1)
{
return FoundCount;
}
/* All files found */
return 0;
}