Added missing debug dir
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jakeg00dwin
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0be7187865
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57c10fe661
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/********************************** (C) COPYRIGHT *******************************
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* File Name : debug.c
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : This file contains all the functions prototypes for UART
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* Printf , Delay functions.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#include "debug.h"
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static uint8_t p_us = 0;
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static uint16_t p_ms = 0;
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/*********************************************************************
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* @fn Delay_Init
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*
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* @brief Initializes Delay Funcation.
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*
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* @return none
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*/
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void Delay_Init(void)
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{
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p_us = SystemCoreClock / 8000000;
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p_ms = (uint16_t)p_us * 1000;
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}
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/*********************************************************************
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* @fn Delay_Us
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*
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* @brief Microsecond Delay Time.
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*
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* @param n - Microsecond number.
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*
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* @return None
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*/
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void Delay_Us(uint32_t n)
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{
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uint32_t i;
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SysTick->SR &= ~(1 << 0);
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i = (uint32_t)n * p_us;
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SysTick->CMP = i;
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SysTick->CTLR |= (1 << 4);
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SysTick->CTLR |= (1 << 5) | (1 << 0);
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while((SysTick->SR & (1 << 0)) != (1 << 0));
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SysTick->CTLR &= ~(1 << 0);
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}
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/*********************************************************************
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* @fn Delay_Ms
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*
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* @brief Millisecond Delay Time.
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*
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* @param n - Millisecond number.
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*
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* @return None
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*/
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void Delay_Ms(uint32_t n)
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{
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uint32_t i;
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SysTick->SR &= ~(1 << 0);
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i = (uint32_t)n * p_ms;
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SysTick->CMP = i;
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SysTick->CTLR |= (1 << 4);
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SysTick->CTLR |= (1 << 5) | (1 << 0);
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while((SysTick->SR & (1 << 0)) != (1 << 0));
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SysTick->CTLR &= ~(1 << 0);
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}
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/*********************************************************************
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* @fn USART_Printf_Init
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*
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* @brief Initializes the USARTx peripheral.
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*
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* @param baudrate - USART communication baud rate.
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*
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* @return None
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*/
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void USART_Printf_Init(uint32_t baudrate)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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USART_InitTypeDef USART_InitStructure;
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#if(DEBUG == DEBUG_UART1)
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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#elif(DEBUG == DEBUG_UART2)
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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#elif(DEBUG == DEBUG_UART3)
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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#endif
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USART_InitStructure.USART_BaudRate = baudrate;
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USART_InitStructure.USART_WordLength = USART_WordLength_8b;
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USART_InitStructure.USART_StopBits = USART_StopBits_1;
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USART_InitStructure.USART_Parity = USART_Parity_No;
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USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
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USART_InitStructure.USART_Mode = USART_Mode_Tx;
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#if(DEBUG == DEBUG_UART1)
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USART_Init(USART1, &USART_InitStructure);
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USART_Cmd(USART1, ENABLE);
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#elif(DEBUG == DEBUG_UART2)
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USART_Init(USART2, &USART_InitStructure);
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USART_Cmd(USART2, ENABLE);
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#elif(DEBUG == DEBUG_UART3)
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USART_Init(USART3, &USART_InitStructure);
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USART_Cmd(USART3, ENABLE);
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#endif
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}
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/*********************************************************************
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* @fn _write
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*
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* @brief Support Printf Function
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*
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* @param *buf - UART send Data.
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* size - Data length
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*
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* @return size: Data length
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*/
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__attribute__((used))
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int _write(int fd, char *buf, int size)
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{
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int i;
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for(i = 0; i < size; i++){
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#if(DEBUG == DEBUG_UART1)
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while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET);
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USART_SendData(USART1, *buf++);
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#elif(DEBUG == DEBUG_UART2)
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while(USART_GetFlagStatus(USART2, USART_FLAG_TC) == RESET);
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USART_SendData(USART2, *buf++);
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#elif(DEBUG == DEBUG_UART3)
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while(USART_GetFlagStatus(USART3, USART_FLAG_TC) == RESET);
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USART_SendData(USART3, *buf++);
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#endif
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}
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return size;
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}
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/*********************************************************************
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* @fn _sbrk
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*
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* @brief Change the spatial position of data segment.
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*
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* @return size: Data length
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*/
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void *_sbrk(ptrdiff_t incr)
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{
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extern char _end[];
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extern char _heap_end[];
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static char *curbrk = _end;
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if ((curbrk + incr < _end) || (curbrk + incr > _heap_end))
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return NULL - 1;
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curbrk += incr;
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return curbrk - incr;
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}
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@ -0,0 +1,48 @@
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/********************************** (C) COPYRIGHT *******************************
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* File Name : debug.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : This file contains all the functions prototypes for UART
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* Printf , Delay functions.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __DEBUG_H
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#define __DEBUG_H
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#include "stdio.h"
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#include "ch32v20x.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* UART Printf Definition */
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#define DEBUG_UART1 1
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#define DEBUG_UART2 2
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#define DEBUG_UART3 3
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/* DEBUG UATR Definition */
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#ifndef DEBUG
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#define DEBUG DEBUG_UART1
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#endif
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void Delay_Init(void);
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void Delay_Us(uint32_t n);
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void Delay_Ms(uint32_t n);
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void USART_Printf_Init(uint32_t baudrate);
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#if(DEBUG)
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#define PRINT(format, ...) printf(format, ##__VA_ARGS__)
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#else
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#define PRINT(X...)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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