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/**
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******************************************************************************
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* @file main.c
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* @author MCU Application Team
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* @brief Main program body
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2023 Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by Puya under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* Private define ------------------------------------------------------------*/
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#define BLOCK_SIZE (0x200)
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#define BLOCK_NUM (0x02)
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#define STARTADDR (0x00) /* Start address in blocks */
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/* Private variables ---------------------------------------------------------*/
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uint8_t Txbuff[BLOCK_SIZE*BLOCK_NUM]={0};
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uint8_t Rxbuff[BLOCK_SIZE*BLOCK_NUM]={0};
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SD_HandleTypeDef SDHandle;
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DMA_HandleTypeDef SD_DMA_ReadBlockHandle;
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DMA_HandleTypeDef SD_DMA_WriteBlockHandle;
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/* Private user code ---------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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static void APP_SystemClockConfig(void);
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static uint32_t APP_BuffCmp(uint8_t *buff1, uint8_t* buff2, uint32_t size);
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static uint32_t APP_BuffElementCheck(uint8_t *buff1, uint32_t size, uint8_t value);
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/**
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* @brief Main program.
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* @retval int
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*/
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int main(void)
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{
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uint32_t i = 0;
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/* Reset of all peripherals, Initializes the Systick. */
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HAL_Init();
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/* Configure system clock */
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APP_SystemClockConfig();
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/* Initialize LED */
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BSP_LED_Init(LED_GREEN);
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/* initialize an array */
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for(i=0;i < BLOCK_SIZE*BLOCK_NUM;i++)
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{
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Txbuff[i] = i;
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}
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/* Initialize SD card */
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SDHandle.Instance = SDIO;
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SDHandle.Init.ClockSel = SDIO_CLOCK_OFFSET_180C;
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SDHandle.Init.ClockDiv = 0x01;
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SDHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
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SDHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
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SDHandle.Init.PreSampling = SDIO_PRE_SAMPLING_ENABLE;
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SDHandle.Init.PreSamplingClockSel = SDIO_PRE_SAMPLING_CLOCK_OFFSET_270C;
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if(HAL_SD_Init(&SDHandle) != HAL_SD_ERROR_NONE)
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{
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APP_ErrorHandler();
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}
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/* Enable 4-wire data transmission */
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if(HAL_SD_ConfigWideBusOperation(&SDHandle, SDIO_BUS_WIDE_4B) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* block erase */
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if(HAL_SD_Erase(&SDHandle,STARTADDR,(STARTADDR + BLOCK_NUM - 1)) != HAL_SD_ERROR_NONE)
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{
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APP_ErrorHandler();
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}
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/* Wait for SD card to complete current operation */
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while((HAL_SD_GetState(&SDHandle) != HAL_SD_STATE_READY) || (HAL_SD_GetCardState(&SDHandle) != HAL_SD_CARD_TRANSFER))
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{
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}
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/* block read */
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if(HAL_SD_ReadBlocks_DMA(&SDHandle,Rxbuff,STARTADDR,BLOCK_NUM) != HAL_SD_ERROR_NONE)
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{
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APP_ErrorHandler();
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}
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/* Wait for SD card to complete current operation */
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while((HAL_SD_GetState(&SDHandle) != HAL_SD_STATE_READY) || (HAL_SD_GetCardState(&SDHandle) != HAL_SD_CARD_TRANSFER))
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{
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}
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/* Check if erasure succeeded */
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if (APP_BuffElementCheck(Rxbuff, BLOCK_SIZE*BLOCK_NUM, 0x0))
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{
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APP_ErrorHandler();
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}
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/* block write */
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if(HAL_SD_WriteBlocks_DMA(&SDHandle,Txbuff,STARTADDR,BLOCK_NUM) != HAL_SD_ERROR_NONE)
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{
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APP_ErrorHandler();
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}
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/* Wait for SD card to complete current operation */
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while((HAL_SD_GetState(&SDHandle) != HAL_SD_STATE_READY) || (HAL_SD_GetCardState(&SDHandle) != HAL_SD_CARD_TRANSFER))
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{
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}
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/* block read */
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if(HAL_SD_ReadBlocks_DMA(&SDHandle,Rxbuff,STARTADDR,BLOCK_NUM) != HAL_SD_ERROR_NONE)
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{
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APP_ErrorHandler();
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}
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/* Wait for SD card to complete current operation */
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while((HAL_SD_GetState(&SDHandle) != HAL_SD_STATE_READY) || (HAL_SD_GetCardState(&SDHandle) != HAL_SD_CARD_TRANSFER))
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{
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}
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/* compare array */
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if(APP_BuffCmp(Txbuff, Rxbuff, BLOCK_SIZE*BLOCK_NUM))
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{
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APP_ErrorHandler();
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}
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/* Turn on LED */
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BSP_LED_On(LED_GREEN);
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/* Infinite loop */
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while (1)
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{
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}
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}
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/**
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* @brief System Clock Configuration
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* @param None
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* @retval None
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*/
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static void APP_SystemClockConfig(void)
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{
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RCC_OscInitTypeDef OscInitstruct = {0};
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RCC_ClkInitTypeDef ClkInitstruct = {0};
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OscInitstruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE |
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RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSI48M;
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OscInitstruct.HSEState = RCC_HSE_OFF; /* Close HSE */
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/* OscInitstruct.HSEFreq = RCC_HSE_16_32MHz; */ /* Choose HSE frequency of 16-32MHz */
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OscInitstruct.HSI48MState = RCC_HSI48M_OFF; /* Close HSI48M */
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OscInitstruct.HSIState = RCC_HSI_ON; /* Enable HSI */
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OscInitstruct.LSEState = RCC_LSE_OFF; /* Close LSE */
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/* OscInitstruct.LSEDriver = RCC_LSEDRIVE_HIGH; */ /* Drive capability level: high */
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OscInitstruct.LSIState = RCC_LSI_OFF; /* Close LSI */
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OscInitstruct.PLL.PLLState = RCC_PLL_OFF; /* Close PLL */
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/* OscInitstruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; */ /* PLL clock source selection HSE */
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/* OscInitstruct.PLL.PLLMUL = RCC_PLL_MUL6; */ /* PLL clock source 6-fold frequency */
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/* Configure oscillator */
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if(HAL_RCC_OscConfig(&OscInitstruct) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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ClkInitstruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
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ClkInitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; /* System clock selection HSI */
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ClkInitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* AHB clock 1 division */
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ClkInitstruct.APB1CLKDivider = RCC_HCLK_DIV1; /* APB1 clock 1 division */
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ClkInitstruct.APB2CLKDivider = RCC_HCLK_DIV2; /* APB2 clock 2 division */
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/* Configure Clock */
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if(HAL_RCC_ClockConfig(&ClkInitstruct, FLASH_LATENCY_0) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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}
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/**
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* @brief array comparison function
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* @param buff1： array 1
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* @param buff2： array 2
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* @param size： array size
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* @retval 0：Same array
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* 1：Different arrays
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*/
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static uint32_t APP_BuffCmp(uint8_t *buff1, uint8_t *buff2, uint32_t size)
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{
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while (size--)
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{
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if ((*buff1) != (*buff2))
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{
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return 1;
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}
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buff1++;
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buff2++;
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}
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return 0;
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}
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/**
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* @brief A function that compares an array element to an expected value.
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* @param buff： array to be compared
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* @param size： array size
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* @param value：expected value
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* @retval 0: Array elements are the same as expected values
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* 1: Array elements differ from expected values
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*/
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static uint32_t APP_BuffElementCheck(uint8_t *buff1, uint32_t size, uint8_t value)
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{
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while (size--)
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{
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if ((*buff1) != value)
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{
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return 1;
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}
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buff1++;
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}
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return 0;
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}
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/**
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* @brief This function is executed in case of error occurrence.
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* @param None
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* @retval None
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*/
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void APP_ErrorHandler(void)
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{
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/* Infinite loop */
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while (1)
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{
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}
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* User can add his own implementation to report the file name and line number,
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for example: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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while (1)
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{
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}
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT Puya *****END OF FILE******************/
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