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197 lines
4.9 KiB
C
197 lines
4.9 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) 2010.
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* Parts by Thorsten Klose (tk@midibox.org) (tk@midibox.org)
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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 System 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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/* Project Includes */
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#include "pios.h"
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#if defined(PIOS_INCLUDE_SYS)
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/* Private Function Prototypes */
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void NVIC_Configuration(void);
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void SysTick_Handler(void);
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/* Local Macros */
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#define MEM8(addr) (*((volatile uint8_t *)(addr)))
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/**
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* Initialises all system peripherals
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*/
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void PIOS_SYS_Init(void)
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{
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/**
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* stub
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*/
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printf("PIOS_SYS_Init\n");
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/* Initialise Basic NVIC */
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NVIC_Configuration();
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#if defined(PIOS_INCLUDE_LED)
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/* Initialise LEDs */
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PIOS_LED_Init();
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#endif
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}
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/**
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* Shutdown PIOS and reset the microcontroller:<BR>
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* <UL>
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* <LI>Disable all RTOS tasks
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* <LI>Disable all interrupts
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* <LI>Turn off all board LEDs
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* <LI>Reset STM32
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* </UL>
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* \return < 0 if reset failed
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*/
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int32_t PIOS_SYS_Reset(void)
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{
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/**
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* stub
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*/
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printf("PIOS_SYS_Reset\n");
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/* Disable all RTOS tasks */
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#if defined(PIOS_INCLUDE_FREERTOS)
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/* port specific FreeRTOS function to disable tasks (nested) */
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portENTER_CRITICAL();
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#endif
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// disable all interrupts
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//PIOS_IRQ_Disable();
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// turn off all board LEDs
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#if (PIOS_LED_NUM == 1)
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PIOS_LED_Off(LED1);
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#elif (PIOS_LED_NUM == 2)
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PIOS_LED_Off(LED1);
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PIOS_LED_Off(LED2);
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#endif
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/* Reset STM32 */
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//RCC_APB2PeriphResetCmd(0xfffffff8, ENABLE); /* MBHP_CORE_STM32: don't reset GPIOA/AF due to USB pins */
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//RCC_APB1PeriphResetCmd(0xff7fffff, ENABLE); /* don't reset USB, so that the connection can survive! */
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//RCC_APB2PeriphResetCmd(0xffffffff, DISABLE);
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//RCC_APB1PeriphResetCmd(0xffffffff, DISABLE);
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//SCB->AIRCR = NVIC_AIRCR_VECTKEY | (1 << NVIC_VECTRESET);
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exit(1);
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while(1);
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/* We will never reach this point */
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return -1;
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}
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/**
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* Returns the serial number as a string
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* param[out] uint8_t pointer to a string which can store at least 12 bytes
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* (12 bytes returned for STM32)
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* return < 0 if feature not supported
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*/
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int32_t PIOS_SYS_SerialNumberGetBinary(uint8_t *array)
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{
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/* Stored in the so called "electronic signature" */
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for (int i = 0; i < PIOS_SYS_SERIAL_NUM_BINARY_LEN; ++i) {
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array[i] = 0xff;
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}
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/* No error */
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return 0;
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}
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/**
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* Returns the serial number as a string
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* param[out] str pointer to a string which can store at least 32 digits + zero terminator!
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* (24 digits returned for STM32)
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* return < 0 if feature not supported
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*/
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int32_t PIOS_SYS_SerialNumberGet(char *str)
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{
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/* Stored in the so called "electronic signature" */
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int i;
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for (i = 0; i < PIOS_SYS_SERIAL_NUM_ASCII_LEN; ++i) {
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str[i] = 'F';
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}
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str[i] = '\0';
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/* No error */
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return 0;
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}
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/**
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* Configures Vector Table base location and SysTick
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*/
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void NVIC_Configuration(void)
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{
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/**
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* stub
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*/
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printf("NVIC_Configuration\n");
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/* Set the Vector Table base address as specified in .ld file */
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//NVIC_SetVectorTable(PIOS_NVIC_VECTTAB_FLASH, 0x0);
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/* 4 bits for Interrupt 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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#ifdef USE_FULL_ASSERT
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/**
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* Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* \param[in] file pointer to the source file name
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* \param[in] line assert_param error line source number
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* \retval None
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*/
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void assert_failed(uint8_t* file, uint32_t line)
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{
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/* When serial debugging is implemented, use something like this. */
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/* printf("Wrong parameters value: file %s on line %d\r\n", file, line); */
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printf("Wrong parameters value: file %s on line %d\r\n", file, line);
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/* Setup the LEDs to Alternate */
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PIOS_LED_On(LED1);
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PIOS_LED_Off(LED2);
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/* Infinite loop */
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while (1)
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{
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PIOS_LED_Toggle(LED1);
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PIOS_LED_Toggle(LED2);
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for(int i = 0; i < 1000000; i++);
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}
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}
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#endif
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#endif
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