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122 lines
2.7 KiB
122 lines
2.7 KiB
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2009-09-22 Bernard add board.h to this bsp
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* 2018-09-02 xuzhuoyi modify for TMS320F28379D version
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* 2022-06-21 guyunjie fix bugs in trap_rtosint and enable interrupt nesting
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* 2022-08-21 yuqi adding onboard devices initialization code
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*/
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#include <rtthread.h>
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#include "board.h"
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#include "drv_sci.h"
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#include "drv_gpio.h"
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#include "F28x_Project.h"
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#ifndef RT_USING_SMP
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extern volatile rt_uint8_t rt_interrupt_nest;
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#endif
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extern rt_uint32_t rt_thread_switch_interrupt_flag;
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extern interrupt void rtosint_handler();
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/**
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* This is the timer interrupt service routine.
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*
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*/
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interrupt void cpu_timer2_isr(void)
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{
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CpuTimer2Regs.TCR.all = 0xC000;
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rt_interrupt_enter();
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rt_tick_increase();
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rt_interrupt_leave();
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}
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extern interrupt void XINT1_Handler(void);
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extern interrupt void XINT2_Handler(void);
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/**
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* This function will initial TMS320F28379D board.
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*/
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void rt_hw_board_init()
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{
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/* Configure the system clock @ 84 Mhz */
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InitSysCtrl();
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DINT;
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InitPieCtrl();
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IER = 0x0000;
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IFR = 0x0000;
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InitPieVectTable();
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#ifdef _FLASH
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memcpy(&RamfuncsRunStart, &RamfuncsLoadStart, (Uint32)&RamfuncsLoadSize);
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InitFlash();
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#endif
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EALLOW; // This is needed to write to EALLOW protected registers
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PieVectTable.TIMER2_INT = &cpu_timer2_isr;
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PieVectTable.RTOS_INT = &rtosint_handler;
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#ifdef BSP_USING_XINT1
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PieVectTable.XINT1_INT = &XINT1_Handler;
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#endif
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#ifdef BSP_USING_XINT2
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PieVectTable.XINT2_INT = &XINT2_Handler;
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#endif
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#ifdef BSP_USING_XINT3
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PieVectTable.XINT3_INT = &XINT3_Handler;
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#endif
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#ifdef BSP_USING_XINT4
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PieVectTable.XINT4_INT = &XINT4_Handler;
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#endif
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#ifdef BSP_USING_XINT5
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PieVectTable.XINT5_INT = &XINT5_Handler;
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#endif
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EDIS;
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InitCpuTimers();
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ConfigCpuTimer(&CpuTimer2, 200, 1000000 / RT_TICK_PER_SECOND);
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CpuTimer2Regs.TCR.all = 0x4000;
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IER |= M_INT14;
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IER |= M_INT1;
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#ifdef RT_USING_HEAP
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rt_system_heap_init(&__ebss_end, &(__heap_end));
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#endif
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#ifdef RT_USING_SERIAL
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rt_hw_sci_init();
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#endif
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#ifdef RT_USING_PIN
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rt_hw_pin_init();
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#endif
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#ifdef RT_USING_COMPONENTS_INIT
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rt_components_board_init();
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#endif
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#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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#endif
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}
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int _args_main()
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{
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/* _args_main is the entry point called by _c_int00. We define it
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* here to override the one defined by the compiler in args_main.c */
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extern int rtthread_startup();
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/* startup RT-Thread RTOS */
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rtthread_startup();
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/* never reach here*/
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return 0;
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}
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