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simple RestApi for RaspberryPi RPIO & camera model with flask
# BPi restFull-api by @BenyaminSalimi
# you can see log of this program in "BPi.log"
from flask import Flask,jsonify,send_file
import picamera
import time
import RPi.GPIO as GPIO
app = Flask(__name__)
GPIO.setmode(GPIO.BCM)
### index page
@app.route("/")
def hello():
return "BPi Api is running "
### info
@app.route("/info")
def info():
return jsonify(GPIO.RPI_INFO) # can be some of this info or any thing else ! prove connection is perfect
#### Stat
@app.route("/pinstat/<pin>")
def readPin(pin):
try:
GPIO.setup(int(pin), GPIO.IN) # setup gpio
if GPIO.input(int(pin)) == True:
response = "high" # this is for high voltage
else:
response = "low" # this is for low voltage
except:
response = "Erorr" # this is erorr
return jsonify(pin=pin,stat=response)
### Actions
@app.route("/action/<act>/<pin>")
def acting(act,pin):
pin=int(pin)
GPIO.setup(pin,GPIO.OUT)
if act== "high":
GPIO.output(pin, GPIO.HIGH)
return jsonify(pin=pin,action="High")
elif act== "low":
GPIO.output(pin, GPIO.LOW)
return jsonify(pin=pin, action="low")
elif act== "tog":
GPIO.output(pin, not GPIO.input(pin))
return jsonify(pin=pin, action="toggle")
else:
return jsonify(pin=pin, action="Not valid Commend")
### set all pin high or low
@app.route("/setall/<stat>")
def setAll(stat):
if stat== "high":
try:
GPIO.setup(range(0,26),GPIO.OUT)
GPIO.output(range(0,26), GPIO.HIGH)
return jsonify(pin="All", action="high")
except:
return jsonify(Erorr="Can not be high")
elif stat == "low":
try:
GPIO.setup(range(0,26),GPIO.OUT)
GPIO.output(range(0,26), GPIO.LOW)
return jsonify(pin="All", action="low")
except:
return jsonify(Erorr="Can not be low!")
### GPIO checking function
@app.route("/showfunction/<pin>")
def showPinFunc(pin):
GPIO.setmode(GPIO.BOARD)
return jsonify(pin=pin,function= GPIO.gpio_function(pin))
### taking pic of now
@app.route("/shot")
def take_pic():
## this is happing when camera not connected or in use by other app :-/
try:
pic = picamera.PiCamera()
except:
return jsonify(erorr="can not acess camera!")
# you can change the resolution !
pic.resolution = (1280, 720)
#you can change the format, as you see y= years and other is the same ;)
picName = time.strftime('bpi-%Y-%m-%d-%H%M%S')+'.jpg'
pic.capture(picName)
return send_file(picName, mimetype='image/jpg')
### Server
if __name__ == "__main__":
## logging to file "BPI.log"
import logging
logging.basicConfig(filename='BPi.log', level=logging.DEBUG)
## running option
app.run(host='0.0.0.0', port=80, debug=True) # any where access
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