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aacee213fd
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@17 ebee16cc-31ac-478f-84a7-5cbb03baadba
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/**
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******************************************************************************
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*
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* @file pios_sys.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2009.
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* @brief Sets up basic system hardware, functions are called from Main.
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* @see The GNU Public License (GPL) Version 3
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* @defgroup PIOS_SYS
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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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/* Project Includes */
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#include "pios.h"
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/* Private Function Prototypes */
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void NVIC_Configuration(void);
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/* Local Variables */
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FATFS Fatfs[_DRIVES]; // File system object for each logical drive */
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/**
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* Function Name : SysInit
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* Description : Brings up the System and Initializes peripherals
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* Input : None
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* Output : None
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* Return : None
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*/
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//TODO: Get these in the right order, settings need to be loaded ASAP
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void SysInit(void)
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{
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/* Setup STM32 system (RCC, clock, PLL and Flash configuration) - CMSIS Function */
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SystemInit();
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/* Initialize NVIC */
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NVIC_Configuration();
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/* Initialize LEDs */
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LED_INIT();
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/* Initialize FatFS disk */
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if(f_mount(0, &Fatfs[0]) != FR_OK) {
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/* Failed to mount MicroSD filesystem, flash LED1 forever */
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while(1) {
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for(int i = 0; i < 1000; i++);
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LED_TOGGLE(LED1);
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}
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}
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/* Call LoadSettings which populates System Vars */
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LoadSettings();
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}
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/**
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* Function Name : GPIO_Configuration
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* Description : Configures base level GPIO ports.
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* Input : None
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* Output : None
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* Return : None
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*/
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void GPIO_Configuration(void)
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{
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}
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/**
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* Function Name : NVIC_Configuration
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* Description : Configures Vector Table base location and SysTick
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* Input : None
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* Output : None
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* Return : None
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*/
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void NVIC_Configuration(void)
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{
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/* Set the Vector Table base address as specified in .ld file */
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NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
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/* 4 bits for Interupt priorities so no sub priorities */
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NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
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/* Configure HCLK clock as SysTick clock source. */
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SysTick_CLKSourceConfig( SysTick_CLKSource_HCLK );
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}
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