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问题描述

我正在尝试对 PIC 微控制器进行编程，但是，每次我尝试包含 <xc.h> 时，我都会收到相同的错误，“未解决包含文件内部”。

这是我正在尝试的：

#include <stdio.h>
#include "Header.h"

#define _XTAL_FREQ 4000000

int main(void)
{

}

请注意，#include "Header.h" 内部是我的 #pragma 和 #include <xc.h>，它们一直被识别为错误。有谁知道为什么 #include <xc.h> 一直这样失败？我也尝试将它直接包含在源文件中，但没有任何改变。

根据要求，我包含了头文件的内容，“Header.h”（多么有创意），我不建议阅读所有#pragma，它非常狭窄：

// PIC24EP32MC202 Configuration Bit Settings

// 'C' source line config statements

// FICD
#pragma config ICS = PGD1               // ICD Communication Channel Select bits (Communicate on PGEC1 and PGED1)
#pragma config JTAGEN = OFF             // JTAG Enable bit (JTAG is disabled)

// FPOR
#pragma config ALTI2C1 = OFF            // Alternate I2C1 pins (I2C1 mapped to SDA1/SCL1 pins)
#pragma config ALTI2C2 = OFF            // Alternate I2C2 pins (I2C2 mapped to SDA2/SCL2 pins)
#pragma config WDTWIN = WIN25           // Watchdog Window Select bits (WDT Window is 25% of WDT period)

// FWDT
#pragma config WDTPOST = PS32768        // Watchdog Timer Postscaler bits (1:32,768)
#pragma config WDTPRE = PR128           // Watchdog Timer Prescaler bit (1:128)
#pragma config PLLKEN = ON              // PLL Lock Enable bit (Clock switch to PLL source will wait until the PLL lock signal is valid.)
#pragma config WINDIS = OFF             // Watchdog Timer Window Enable bit (Watchdog Timer in Non-Window mode)
#pragma config FWDTEN = ON              // Watchdog Timer Enable bit (Watchdog timer always enabled)

// FOSC
#pragma config POSCMD = NONE            // Primary Oscillator Mode Select bits (Primary Oscillator disabled)
#pragma config OSCIOFNC = OFF           // OSC2 Pin Function bit (OSC2 is clock output)
#pragma config IOL1WAY = ON             // Peripheral pin select configuration (Allow only one reconfiguration)
#pragma config FCKSM = CSDCMD           // Clock Switching Mode bits (Both Clock switching and Fail-safe Clock Monitor are disabled)

// FOSCSEL
#pragma config FNOSC = FRCDIVN          // Oscillator Source Selection (Internal Fast RC (FRC) Oscillator with postscaler)
#pragma config PWMLOCK = ON             // PWM Lock Enable bit (Certain PWM registers may only be written after key sequence)
#pragma config IESO = ON                // Two-speed Oscillator Start-up Enable bit (Start up device with FRC, then switch to user-selected oscillator source)

// FGS
#pragma config GWRP = OFF               // General Segment Write-Protect bit (General Segment may be written)
#pragma config GCP = OFF                // General Segment Code-Protect bit (General Segment Code protect is Disabled)

// #pragma config statements should precede project file includes.
// Use project enums instead of #define for ON and OFF.

#include <xc.h>

标签： cmicrochip

解决方案

这是你应该开始的方式：

#include <xc.h>
#include <stdio.h>
#include "Header.h"

#define _XTAL_FREQ 4000000

int main(void)
{

}

并#include <xc.h>从您的文件中删除Header.h

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