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bb1084556f
* [console] 解决在没有定义RT_USING_DEVICE的情况下使用device报错的问题 * format codes * [libc] 整理格式 * refresh projects
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
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* Copyright (c) 2006-2021, 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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* 2021-01-28 flybreak first version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <stdio.h>
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#include "board.h"
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#include "hardware/structs/systick.h"
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void isr_systick(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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rt_tick_increase();
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/* leave interrupt */
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rt_interrupt_leave();
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}
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uint32_t systick_config(uint32_t ticks)
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{
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if ((ticks - 1UL) > M0PLUS_SYST_RVR_RELOAD_BITS)
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{
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return (1UL); /* Reload value impossible */
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}
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mpu_hw->rvr = (uint32_t)(ticks - 1UL); /* set reload register */
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mpu_hw->csr = M0PLUS_SYST_CSR_CLKSOURCE_BITS |
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M0PLUS_SYST_CSR_TICKINT_BITS |
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M0PLUS_SYST_CSR_ENABLE_BITS; /* Enable SysTick IRQ and SysTick Timer */
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return (0UL); /* Function successful */
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}
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void rt_hw_board_init()
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{
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rt_system_heap_init(HEAP_BEGIN, HEAP_END);
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alarm_pool_init_default();
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// Start and end points of the constructor list,
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// defined by the linker script.
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extern void (*__init_array_start)();
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extern void (*__init_array_end)();
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// Call each function in the list.
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// We have to take the address of the symbols, as __init_array_start *is*
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// the first function pointer, not the address of it.
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for (void (**p)() = &__init_array_start; p < &__init_array_end; ++p) {
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(*p)();
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}
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/* Configure the SysTick */
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systick_config(frequency_count_khz(CLOCKS_FC0_SRC_VALUE_ROSC_CLKSRC)*10000/RT_TICK_PER_SECOND);
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stdio_init_all();
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rt_hw_uart_init();
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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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