mirror of
https://github.com/GorgonMeducer/perf_counter.git
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72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/****************************************************************************
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* Copyright 2021 Gorgon Meducer (Email:embedded_zhuoran@hotmail.com) *
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* *
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* Licensed under the Apache License, Version 2.0 (the "License"); *
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* you may not use this file except in compliance with the License. *
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* You may obtain a copy of the License at *
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* *
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* http://www.apache.org/licenses/LICENSE-2.0 *
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* *
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* Unless required by applicable law or agreed to in writing, software *
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* distributed under the License is distributed on an "AS IS" BASIS, *
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
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* See the License for the specific language governing permissions and *
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* limitations under the License. *
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* *
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****************************************************************************/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "perf_counter.h"
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//#include "ARMCM0.h" // Keil::Board Support:V2M-MPS2:Common
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#include "main.h"
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#include <assert.h>
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extern
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void uart_config(uint32_t wUARTFrequency);
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__attribute__((weak))
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void systimer_1ms_handler(void)
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{
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HAL_IncTick();
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}
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static volatile uint32_t s_wMSCounter = 0;
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/*----------------------------------------------------------------------------
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SysTick / Timer0 IRQ Handler
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*----------------------------------------------------------------------------*/
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void SysTick_Handler (void)
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{
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if (s_wMSCounter) {
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s_wMSCounter--;
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}
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user_code_insert_to_systick_handler();
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systimer_1ms_handler();
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}
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void delay_ms(uint32_t wMillisecond)
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{
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s_wMSCounter = wMillisecond;
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while( s_wMSCounter > 0 );
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}
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/*! \brief initialise platform before main()
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*/
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__attribute__((constructor(101)))
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void platform_init(void)
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{
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SystemCoreClockUpdate();
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uart_config(25000000ul);
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/* Generate interrupt each 1 ms */
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SysTick_Config(SystemCoreClock / 1000);
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}
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