# 接线图
# 树莓派管脚图
# 代码
# C
#include <wiringPi.h> | |
#include <stdio.h> | |
#define VibratePin 0 | |
#define Gpin 1 | |
#define Rpin 2 | |
int tmp = 0; | |
void LED(int color) | |
{ | |
pinMode(Gpin, OUTPUT); | |
pinMode(Rpin, OUTPUT); | |
if (color == 0) | |
{ | |
digitalWrite(Rpin, HIGH); | |
digitalWrite(Gpin, LOW); | |
} | |
else if (color == 1) | |
{ | |
digitalWrite(Rpin, LOW); | |
digitalWrite(Gpin, HIGH); | |
} | |
else | |
printf("LED Error"); | |
} | |
void Print(int x){ | |
if (x != tmp){ | |
if (x == 0) | |
printf("...ON\n"); | |
if (x == 1) | |
printf("OFF..\n"); | |
tmp = x; | |
} | |
} | |
int main(void) | |
{ | |
int status = 0; | |
int tmp = 0; | |
int value = 1; | |
if(wiringPiSetup() == -1){ //when initialize wiring failed,print messageto screen | |
printf("setup wiringPi failed !"); | |
return 1; | |
} | |
pinMode(VibratePin, INPUT); | |
while(1){ | |
value = digitalRead(VibratePin); | |
if (tmp != value){ | |
status ++; | |
if (status > 1){ | |
status = 0; | |
} | |
LED(status); | |
Print(status); | |
delay(1000); | |
} | |
} | |
return 0; | |
} |
编译命令： gcc vibration_switch.c -o vibration_switch -lwiringPi
# Python
#!/usr/bin/env python | |
import RPi.GPIO as GPIO | |
import time | |
VibratePin = 11 | |
Gpin = 12 | |
Rpin = 13 | |
tmp = 0 | |
def setup(): | |
GPIO.setmode(GPIO.BOARD) # Numbers GPIOs by physical location | |
GPIO.setup(Gpin, GPIO.OUT) # Set Green Led Pin mode to output | |
GPIO.setup(Rpin, GPIO.OUT) # Set Red Led Pin mode to output | |
GPIO.setup(VibratePin, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Set BtnPin's mode is input, and pull up to high level(3.3V) | |
def Led(x): | |
if x == 0: | |
GPIO.output(Rpin, 1) | |
GPIO.output(Gpin, 0) | |
if x == 1: | |
GPIO.output(Rpin, 0) | |
GPIO.output(Gpin, 1) | |
def Print(x): | |
global tmp | |
if x != tmp: | |
if x == 0: | |
print ' **********' | |
print ' * ON *' | |
print ' **********' | |
if x == 1: | |
print ' **********' | |
print ' * OFF *' | |
print ' **********' | |
tmp = x | |
def loop(): | |
state = 0 | |
while True: | |
if GPIO.input(VibratePin): | |
state = state + 1 | |
if state > 1: | |
state = 0 | |
Led(state) | |
Print(state) | |
time.sleep(1) | |
def destroy(): | |
GPIO.output(Gpin, GPIO.HIGH) # Green led off | |
GPIO.output(Rpin, GPIO.HIGH) # Red led off | |
GPIO.cleanup() # Release resource | |
if __name__ == '__main__': # Program start from here | |
setup() | |
try: | |
loop() | |
except KeyboardInterrupt: # When 'Ctrl+C' is pressed, the child program destroy() will be executed. | |
destroy() |
