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/*
* File : board.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006-2017, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2017-09-19 Quintin.Z the first version
*/
#include <rthw.h>
#include <rtthread.h>
#include <finsh.h>
#include "sysinit.h"
#include "board.h"
#include "drv_uart.h"
#include "nv32.h"
#define portNVIC_SYSTICK_CTRL ( ( volatile uint32_t *) 0xe000e010 )
#define portNVIC_SYSTICK_LOAD ( ( volatile uint32_t *) 0xe000e014 )
#define portNVIC_INT_CTRL ( ( volatile uint32_t *) 0xe000ed04 )
#define portNVIC_SYSPRI2 ( ( volatile uint32_t *) 0xe000ed20 )
#define portNVIC_SYSTICK_CLK 0x00000004
#define portNVIC_SYSTICK_INT 0x00000002
#define portNVIC_SYSTICK_ENABLE 0x00000001
#define portNVIC_PENDSVSET 0x10000000
#define portMIN_INTERRUPT_PRIORITY ( 255UL )
#define portNVIC_PENDSV_PRI ( portMIN_INTERRUPT_PRIORITY << 16UL )
#define portNVIC_SYSTICK_PRI ( portMIN_INTERRUPT_PRIORITY << 24UL )
#ifdef __CC_ARM
extern int Image$$RW_IRAM1$$ZI$$Limit;
#define NV32_SRAM_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit)
#elif __ICCARM__
#pragma section="HEAP"
#define NV32_SRAM_BEGIN (__segment_end("HEAP"))
#else
extern int __bss_end;
#define NV32_SRAM_BEGIN (&__bss_end)
#endif
/*******************************************************************************
* Function Name : assert_failed
* Description : Reports the name of the source file and the source line number
* where the assert error has occurred.
* Input : - file: pointer to the source file name
* - line: assert error line source number
* Output : None
* Return : None
*******************************************************************************/
void assert_failed(uint8_t* file, uint32_t line)
{
rt_kprintf("\n\r Wrong parameter value detected on\r\n");
rt_kprintf(" file %s\r\n", file);
rt_kprintf(" line %d\r\n", line);
while (1) ;
}
/**
* This is the timer interrupt service routine.
*
*/
void SysTick_Handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/**
* This function will initial STM32 board.
*/
void rt_hw_board_init()
{
/* Configure the SysTick */
*(portNVIC_SYSTICK_LOAD) = ( 40000000 / RT_TICK_PER_SECOND ) - 1UL;
*(portNVIC_SYSTICK_CTRL) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE;
rt_hw_uart_init();
/* Call components board initial (use INIT_BOARD_EXPORT()) */
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
#ifdef RT_USING_CONSOLE
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
#ifdef RT_USING_HEAP
rt_system_heap_init((void*)NV32_SRAM_BEGIN, (void*)NV32_SRAM_END);
#endif
}
long cmd_reset(int argc, char** argv)
{
NVIC_SystemReset();
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_reset, __cmd_reset, Reset Board.);
/*@}*/
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