133 lines
3.4 KiB
C
133 lines
3.4 KiB
C
/*
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* Copyright (c) 2006-2020, 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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* 2020-04-29 supperthomas first version
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*
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*/
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#include <rtthread.h>
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#include <rthw.h>
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#include <nrfx_systick.h>
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#include "board.h"
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#include "drv_uart.h"
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#ifdef BSP_USING_SOFTDEVICE
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#include <nrfx_rtc.h>
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#include <nrfx_clock.h>
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#include "app_error.h"
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#include "nrf_drv_clock.h"
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const nrfx_rtc_t rtc = NRFX_RTC_INSTANCE(1); /**< Declaring an instance of nrf_drv_rtc for RTC0. */
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static void rtc_handler(nrfx_rtc_int_type_t int_type)
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{
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if (int_type == NRFX_RTC_INT_TICK)
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{
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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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}
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#else
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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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void SysTick_Handler(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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#endif
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void SysTick_Configuration(void)
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{
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#ifdef BSP_USING_SOFTDEVICE
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nrf_drv_clock_init();
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nrf_drv_clock_lfclk_request(NULL);
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uint32_t err_code;
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#define TICK_RATE_HZ RT_TICK_PER_SECOND
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#define SYSTICK_CLOCK_HZ ( 32768UL )
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#define NRF_RTC_REG NRF_RTC1
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/* IRQn used by the selected RTC */
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#define NRF_RTC_IRQn RTC1_IRQn
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/* Constants required to manipulate the NVIC. */
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#define NRF_RTC_PRESCALER ( (uint32_t) (NRFX_ROUNDED_DIV(SYSTICK_CLOCK_HZ, TICK_RATE_HZ) - 1) )
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nrfx_rtc_config_t config = NRFX_RTC_DEFAULT_CONFIG;
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config.prescaler = NRF_RTC_PRESCALER;
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err_code = nrfx_rtc_init(&rtc, &config, rtc_handler);
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// APP_ERROR_CHECK(err_code);
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nrfx_rtc_tick_enable(&rtc, true);
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#define COMPARE_COUNTERTIME (3UL) /**< Get Compare event COMPARE_TIME seconds after the counter starts from 0. */
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//Set compare channel to trigger interrupt after COMPARE_COUNTERTIME seconds
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err_code = nrfx_rtc_cc_set(&rtc, 0, COMPARE_COUNTERTIME * 8, true);
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// APP_ERROR_CHECK(err_code);
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//Power on RTC instance
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nrfx_rtc_enable(&rtc);
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#else
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/* Set interrupt priority */
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NVIC_SetPriority(SysTick_IRQn, 0xf);
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/* Configure SysTick to interrupt at the requested rate. */
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nrf_systick_load_set(SystemCoreClock / RT_TICK_PER_SECOND);
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nrf_systick_val_clear();
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nrf_systick_csr_set(NRF_SYSTICK_CSR_CLKSOURCE_CPU | NRF_SYSTICK_CSR_TICKINT_ENABLE
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| NRF_SYSTICK_CSR_ENABLE);
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#endif
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}
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void rt_hw_board_init(void)
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{
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rt_hw_interrupt_enable(0);
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// sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE);
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/* Activate deep sleep mode */
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SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
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SysTick_Configuration();
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#if defined(RT_USING_HEAP)
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rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
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#endif
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#ifdef RT_USING_SERIAL
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rt_hw_uart_init();
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#endif
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#ifdef RT_USING_CONSOLE
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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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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#ifdef BSP_USING_SOFTDEVICE
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extern uint32_t Image$$RW_IRAM1$$Base;
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uint32_t const *const m_ram_start = &Image$$RW_IRAM1$$Base;
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if ((uint32_t)m_ram_start == 0x20000000)
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{
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rt_kprintf("\r\n using softdevice the RAM couldn't be %p,please use the templete from package\r\n", m_ram_start);
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while (1);
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}
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else
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{
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rt_kprintf("\r\n using softdevice the RAM at %p\r\n", m_ram_start);
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}
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#endif
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}
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