177 lines
7.7 KiB
C
177 lines
7.7 KiB
C
/*
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* The Clear BSD License
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* Copyright (c) 2018, NXP Semiconductors, Inc.
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* All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted (subject to the limitations in the disclaimer below) provided
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* that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* How to set up clock using clock driver functions:
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*
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* 1. Setup clock sources.
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*
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* 2. Set up all dividers.
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*
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* 3. Set up all selectors to provide selected clocks.
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*/
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/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
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!!GlobalInfo
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product: Clocks v4.1
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processor: LPC824
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package_id: LPC824M201JHI33
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mcu_data: ksdk2_0
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processor_version: 0.0.1
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* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
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#include "fsl_power.h"
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#include "fsl_clock.h"
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#include "clock_config.h"
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#include "tos.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/*******************************************************************************
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* Variables
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******************************************************************************/
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/* System clock frequency. */
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extern uint32_t SystemCoreClock;
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/*******************************************************************************
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************************ BOARD_InitBootClocks function ************************
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******************************************************************************/
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void BOARD_InitBootClocks(void)
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{
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BOARD_BootClockIRC12M();
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}
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/*******************************************************************************
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******************** Configuration BOARD_BootClockIRC12M **********************
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******************************************************************************/
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/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
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!!Configuration
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name: BOARD_BootClockIRC12M
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called_from_default_init: true
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outputs:
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- {id: ADC_clock.outFreq, value: 12 MHz}
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- {id: I2C0_clock.outFreq, value: 12 MHz}
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- {id: I2C1_clock.outFreq, value: 12 MHz}
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- {id: I2C2_clock.outFreq, value: 12 MHz}
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- {id: LowPower_clock.outFreq, value: 10 kHz}
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- {id: SPI0_clock.outFreq, value: 12 MHz}
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- {id: SPI1_clock.outFreq, value: 12 MHz}
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- {id: SYSPLL_clock.outFreq, value: 12 MHz}
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- {id: System_clock.outFreq, value: 12 MHz}
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- {id: divto750k_clock.outFreq, value: 750 kHz}
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* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
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/*******************************************************************************
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* Variables for BOARD_BootClockIRC12M configuration
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******************************************************************************/
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/*******************************************************************************
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* Code for BOARD_BootClockIRC12M configuration
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******************************************************************************/
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void BOARD_BootClockIRC12M(void)
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{
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/*!< Set up the clock sources */
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/*!< Set up IRC */
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POWER_DisablePD(kPDRUNCFG_PD_IRC_OUT); /*!< Ensure FRO is on */
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POWER_DisablePD(kPDRUNCFG_PD_IRC); /*!< Ensure FRO is on */
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CLOCK_Select(kSYSPLL_From_Irc); /*!< set IRC to pll select */
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clock_sys_pll_t config;
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config.src = kCLOCK_SysPllSrcIrc; /*!< set pll src */
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config.targetFreq = 12000000U; /*!< set pll target freq */
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CLOCK_InitSystemPll(&config); /*!< set parameters */
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CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcIrc); /*!< slecte irc for main clock */
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CLOCK_Select(kCLKOUT_From_Irc); /*!< slecte IRC for CLKOUT */
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CLOCK_SetCoreSysClkDiv(1U);
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/*!< Set SystemCoreClock variable. */
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SystemCoreClock = BOARD_BOOTCLOCKIRC12M_CORE_CLOCK;
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}
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/*******************************************************************************
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******************** Configuration BOARD_BootClockPll24M **********************
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******************************************************************************/
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/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
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!!Configuration
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name: BOARD_BootClockPll24M
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outputs:
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- {id: ADC_clock.outFreq, value: 24 MHz}
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- {id: I2C0_clock.outFreq, value: 24 MHz}
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- {id: I2C1_clock.outFreq, value: 24 MHz}
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- {id: I2C2_clock.outFreq, value: 24 MHz}
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- {id: LowPower_clock.outFreq, value: 10 kHz}
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- {id: SPI0_clock.outFreq, value: 24 MHz}
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- {id: SPI1_clock.outFreq, value: 24 MHz}
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- {id: SYSPLL_clock.outFreq, value: 24 MHz}
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- {id: System_clock.outFreq, value: 24 MHz}
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- {id: divto750k_clock.outFreq, value: 750 kHz}
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settings:
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- {id: SYSCON.MAINCLKSEL.sel, value: SYSCON.PLL}
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- {id: SYSCON.M_MULT.scale, value: '2'}
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* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
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/*******************************************************************************
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* Variables for BOARD_BootClockPll24M configuration
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******************************************************************************/
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/*******************************************************************************
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* Code for BOARD_BootClockPll24M configuration
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******************************************************************************/
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void BOARD_BootClockPll24M(void)
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{
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/*!< Set up the clock sources */
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/*!< Set up IRC */
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POWER_DisablePD(kPDRUNCFG_PD_IRC_OUT); /*!< Ensure FRO is on */
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POWER_DisablePD(kPDRUNCFG_PD_IRC); /*!< Ensure FRO is on */
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CLOCK_Select(kSYSPLL_From_Irc); /*!< set IRC to pll select */
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clock_sys_pll_t config;
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config.src = kCLOCK_SysPllSrcIrc; /*!< set pll src */
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config.targetFreq = 24000000U; /*!< set pll target freq */
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CLOCK_InitSystemPll(&config); /*!< set parameters */
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CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcSysPll); /*!< slecte syspll for main clock */
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CLOCK_Select(kCLKOUT_From_Irc); /*!< slecte IRC for CLKOUT */
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CLOCK_SetCoreSysClkDiv(1U);
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/*!< Set SystemCoreClock variable. */
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SystemCoreClock = BOARD_BOOTCLOCKPLL24M_CORE_CLOCK;
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}
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void SysTick_Handler(void)
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{
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if(tos_knl_is_running()) //OS<4F><53>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>,<2C><>ִ<EFBFBD><D6B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5>ȴ<EFBFBD><C8B4><EFBFBD>
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{
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tos_knl_irq_enter(); //<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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tos_tick_handler(); //<2F><><EFBFBD><EFBFBD>TencentOS tiny<6E><79>ʱ<EFBFBD>ӷ<EFBFBD><D3B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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tos_knl_irq_leave(); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD>ж<EFBFBD>
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}
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/* USER CODE BEGIN SysTick_IRQn 1 */
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/* USER CODE END SysTick_IRQn 1 */
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}
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