PIC18F47Q10小板按键问题

1万 · 2019-11-24 21:36

代码如下：
// CONFIG1L
#pragma config FEXTOSC = LP    // External Oscillator mode Selection bits (LP (crystal oscillator) optimized for 32.768 kHz; PFM set to low power)
#pragma config RSTOSC = LFINTOSC// Power-up default value for COSC bits (Low-Frequency Oscillator)

// CONFIG1H
#pragma config CLKOUTEN = OFF // Clock Out Enable bit (CLKOUT function is disabled)
#pragma config CSWEN = ON    // Clock Switch Enable bit (Writing to NOSC and NDIV is allowed)
#pragma config FCMEN = ON    // Fail-Safe Clock Monitor Enable bit (Fail-Safe Clock Monitor enabled)

// CONFIG2L
#pragma config MCLRE = EXTMCLR  // Master Clear Enable bit (MCLR pin (RE3) is MCLR)
#pragma config PWRTE = OFF    // Power-up Timer Enable bit (Power up timer disabled)
#pragma config LPBOREN = OFF // Low-power BOR enable bit (Low power BOR is disabled)
#pragma config BOREN = SBORDIS  // Brown-out Reset Enable bits (Brown-out Reset enabled , SBOREN bit is ignored)

// CONFIG2H
#pragma config BORV = VBOR_190  // Brown Out Reset Voltage selection bits (Brown-out Reset Voltage (VBOR) set to 1.90V)
#pragma config ZCD = OFF       // ZCD Disable bit (ZCD disabled. ZCD can be enabled by setting the ZCDSEN bit of ZCDCON)
#pragma config PPS1WAY = ON    // PPSLOCK bit One-Way Set Enable bit (PPSLOCK bit can be cleared and set only once; PPS registers remain locked after one clear/set cycle)
#pragma config STVREN = ON    // Stack Full/Underflow Reset Enable bit (Stack full/underflow will cause Reset)
#pragma config XINST = OFF    // Extended Instruction Set Enable bit (Extended Instruction Set and Indexed Addressing Mode disabled)

// CONFIG3L
#pragma config WDTCPS = WDTCPS_31// WDT Period Select bits (Divider ratio 1:65536; software control of WDTPS)
#pragma config WDTE = OFF    // WDT operating mode (WDT Disabled)

// CONFIG3H
#pragma config WDTCWS = WDTCWS_7// WDT Window Select bits (window always open (100%); software control; keyed access not required)
#pragma config WDTCCS = SC    // WDT input clock selector (Software Control)

// CONFIG4L
#pragma config WRT0 = OFF    // Write Protection Block 0 (Block 0 (000800-003FFFh) not write-protected)
#pragma config WRT1 = OFF    // Write Protection Block 1 (Block 1 (004000-007FFFh) not write-protected)
#pragma config WRT2 = OFF    // Write Protection Block 2 (Block 2 (008000-00BFFFh) not write-protected)
#pragma config WRT3 = OFF    // Write Protection Block 3 (Block 3 (00C000-00FFFFh) not write-protected)
#pragma config WRT4 = OFF    // Write Protection Block 4 (Block 4 (010000-013FFFh) not write-protected)
#pragma config WRT5 = OFF    // Write Protection Block 5 (Block 5 (014000-017FFFh) not write-protected)
#pragma config WRT6 = OFF    // Write Protection Block 6 (Block 6 (018000-01BFFFh) not write-protected)
#pragma config WRT7 = OFF    // Write Protection Block 7 (Block 7 (01C000-01FFFFh) not write-protected)

// CONFIG4H
#pragma config WRTC = OFF    // Configuration Register Write Protection bit (Configuration registers (300000-30000Bh) not write-protected)
#pragma config WRTB = OFF    // Boot Block Write Protection bit (Boot Block (000000-0007FFh) not write-protected)
#pragma config WRTD = OFF    // Data EEPROM Write Protection bit (Data EEPROM not write-protected)
#pragma config SCANE = ON    // Scanner Enable bit (Scanner module is available for use, SCANMD bit can control the module)
#pragma config LVP = ON       // Low Voltage Programming Enable bit (Low voltage programming enabled. MCLR/VPP pin function is MCLR. MCLRE configuration bit is ignored)

// CONFIG5L
#pragma config CP = OFF       // UserNVM Program Memory Code Protection bit (UserNVM code protection disabled)
#pragma config CPD = OFF       // DataNVM Memory Code Protection bit (DataNVM code protection disabled)

// CONFIG5H

// CONFIG6L
#pragma config EBTR0 = OFF    // Table Read Protection Block 0 (Block 0 (000800-003FFFh) not protected from table reads executed in other blocks)
#pragma config EBTR1 = OFF    // Table Read Protection Block 1 (Block 1 (004000-007FFFh) not protected from table reads executed in other blocks)
#pragma config EBTR2 = OFF    // Table Read Protection Block 2 (Block 2 (008000-00BFFFh) not protected from table reads executed in other blocks)
#pragma config EBTR3 = OFF    // Table Read Protection Block 3 (Block 3 (00C000-00FFFFh) not protected from table reads executed in other blocks)
#pragma config EBTR4 = OFF    // Table Read Protection Block 4 (Block 4 (010000-013FFFh) not protected from table reads executed in other blocks)
#pragma config EBTR5 = OFF    // Table Read Protection Block 5 (Block 5 (014000-017FFFh) not protected from table reads executed in other blocks)
#pragma config EBTR6 = OFF    // Table Read Protection Block 6 (Block 6 (018000-01BFFFh) not protected from table reads executed in other blocks)
#pragma config EBTR7 = OFF    // Table Read Protection Block 7 (Block 7 (01C000-01FFFFh) not protected from table reads executed in other blocks)

// CONFIG6H
#pragma config EBTRB = OFF    // Boot Block Table Read Protection bit (Boot Block (000000-0007FFh) not protected from table reads executed in other blocks)

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

#include <xc.h>
#include <stdio.h>
#include <stdlib.h>
#include <pic18f47q10.h>

/*
*
*/
unsigned int i;

int main(int argc, char** argv)
{
TRISE=0x04;
ADCON0=0;
while(1)
{
      if(RE2==0)
         RE0=0;
      else
         RE0=1;
}
return (EXIT_SUCCESS);
}
烧写进去，灯一直亮，按键不起作用。大神看看哪有问题？谢谢！