PIC16F1825和PIC16F1786
製作早晨鬧鐘及自動拉窗簾需要一些硬件設備，例如RTC模塊、步進馬達驅動器、光線感應器、LCD顯示屏等等。以下是一個基於PIC16F1825和PIC16F1786，該示例使用RTC模塊、步進馬達驅動器和光線感應器來控制早晨鬧鐘和自動拉窗簾。所需零件：
PIC16F1825微型控制器
PIC16F1786微型控制器
RTC模塊
步進馬達驅動器
光線感應器
LCD顯示屏
電位器
陶瓷電容和電解電容
電阻
按鈕開關
連接線和面包板
連結腳位：
以下是PIC16F1825和PIC16F1786的連結腳位示意圖：
PIC16F1825 PIC16F1786
RA0 <----> SDA
RA1 <----> SCL
RC0 <----> STEP
RC1 <----> DIR
RC2 <----> EN
RC3 <----> LCD_RS
RC4 <----> LCD_EN
RC5 <----> LCD_D4
RC6 <----> LCD_D5
RC7 <----> LCD_D6
RA4 <----> LIGHT_SENSOR
RA5 <----> BUTTON
程式碼：
其中使用了RTC庫、步進馬達驅動器庫、LCD顯示屏庫和光線感應器庫。
您需要自行安裝這些庫，並將代碼進行修改以適應您的硬件設備和需求。
#include <pic16f1825.h>
#include <pic16f1786.h>
#include <stdlib.h>
#include "RTC.h"
#include "StepperMotor.h"
#include "LCD.h"
#include "LightSensor.h"
#define _XTAL_FREQ 8000000
#pragma config FOSC = INTOSC, WDTE = OFF, PWRTE = OFF, MCLRE = OFF, CP = OFF, BOREN = OFF, CLKOUTEN = OFF, IESO = OFF, FCMEN = OFF
void main() {
OSCCONbits.IRCF = 0b111; // Set internal oscillator frequency to 8MHz
TRISCbits.TRISC0 = 0; // Set STEP pin as output
TRISCbits.TRISC1 = 0; // Set DIR pin as output
TRISCbits.TRISC2 = 0; // Set EN pin as output
TRISCbits.TRISC3 = 0; Set LCD_RS pin as output
TRISCbits.TRISC4 = 0; // Set LCD_EN pin as output
TRISCbits.TRISC5 = 0; // Set LCD_D4 pin as output
TRISCbits.TRISC6 = 0; // Set LCD_D5 pin as output
TRISCbits.TRISC7 = 0; // Set LCD_D6 pin as output
TRISAbits.TRISA4 = 1; // Set LIGHT_SENSOR pin as input
TRISAbits.TRISA5 = 1; // Set BUTTON pin as input
ANSELA = 0b00000000; // Set all PORTA pins as digital
ANSELC = 0b00000000; // Set all PORTC pins as digital
// Initialize RTC
rtc_init();
// Initialize stepper motor driver
stepper_motor_init();
// Initialize LCD
lcd_init();
// Initialize light sensor
light_sensor_init();
while(1) {
// Get current time from RTC
rtc_time_t time = rtc_get_time();
// Check if it is time to ring the alarm
if(time.hour == 7 && time.minute == 0 && time.second == 0) {
// Ring the alarm by rotating the stepper motor
for(int i = 0; i < 100; i++) {
stepper_motor_step(1);
__delay_ms(10);
}
}
// Check if it is time to open the curtain
if(time.hour == 7 && time.minute == 30 && time.second == 0) {
// Check if it is dark outside
if(light_sensor_read() < 500) {
// Open the curtain by rotating the stepper motor
for(int i = 0; i < 1000; i++) {
stepper_motor_step(1);
__delay_ms(10);
}
}
}
// Display current time on LCD
lcd_clear();
lcd_print("Time: %02d:%02d:%02d", time.hour, time.minute, time.second);
// Check if button is pressed to set the time
if(!PORTAbits.RA5) {
// Wait for button to be released
while(!PORTAbits.RA5);
// Set current time on RTC
rtc_set_time(8, 0, 0);
}
__delay_ms(1000);
}
}
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