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strawberry-pi-greenhouse
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test with original code 

Signed-off-by: Ebbe Baß <ebbe@ping-mee.de>
master
Ebbe Baß 2022-07-12 11:03:02 +02:00
parent 77b788c048
commit dffac60962
1 changed files with 48 additions and 27 deletions
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75
test.py
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@ -1,31 +1,52 @@
global GPIO
import RPi.GPIO as GPIO
import time
import time, signal, sys
sys.path.append('./SDL_Adafruit_ADS1x15')
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD)
import SDL_Adafruit_ADS1x15
GPIO_TRIGGER = 18
GPIO_ECHO = 24
GPIO.setup(GPIO_TRIGGER, GPIO.OUT)
GPIO.setup(GPIO_ECHO, GPIO.IN)
def signal_handler(signal, frame):
print( 'You pressed Ctrl+C!')
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
def get_water_level():
GPIO.output(GPIO_TRIGGER, True)
time.sleep(0.00001)
GPIO.output(GPIO_TRIGGER, False)
startTime = time.time()
StopTime = time.time()
while GPIO.input(GPIO_ECHO) == 0:
startTime = time.time()
while GPIO.input(GPIO_ECHO) == 1:
StopTime = time.time()
TimeElapsed = StopTime - startTime
distance = (TimeElapsed * 34300) / 2
return int(distance)
ADS1115 = 0x01 # 16-bit ADC
print(get_water_level())
# Select the gain
# gain = 6144 # +/- 6.144V
gain = 4096 # +/- 4.096V
# gain = 2048 # +/- 2.048V
# gain = 1024 # +/- 1.024V
# gain = 512 # +/- 0.512V
# gain = 256 # +/- 0.256V
# Select the sample rate
# sps = 8 # 8 samples per second
# sps = 16 # 16 samples per second
# sps = 32 # 32 samples per second
# sps = 64 # 64 samples per second
# sps = 128 # 128 samples per second
sps = 250 # 250 samples per second
# sps = 475 # 475 samples per second
# sps = 860 # 860 samples per second
# Initialise the ADC using the default mode (use default I2C address)
adc = SDL_Adafruit_ADS1x15.ADS1x15(ic=ADS1115)
while (1):
# Read channels in single-ended mode using the settings above
print ("--------------------")
voltsCh0 = adc.readADCSingleEnded(0, gain, sps) / 1000
rawCh0 = adc.readRaw(0, gain, sps)
print ("Channel 0 =%.6fV raw=0x%4X dec=%d" % (voltsCh0, rawCh0, rawCh0))
voltsCh1 = adc.readADCSingleEnded(1, gain, sps) / 1000
rawCh1 = adc.readRaw(1, gain, sps)
print ("Channel 1 =%.6fV raw=0x%4X dec=%d" % (voltsCh1, rawCh1, rawCh1))
voltsCh2 = adc.readADCSingleEnded(2, gain, sps) / 1000
rawCh2 = adc.readRaw(2, gain, sps)
print ("Channel 2 =%.6fV raw=0x%4X dec=%d" % (voltsCh2, rawCh2, rawCh2))
voltsCh3 = adc.readADCSingleEnded(3, gain, sps) / 1000
rawCh3 = adc.readRaw(3, gain, sps)
print ("Channel 3 =%.6fV raw=0x%4X dec=%d" % (voltsCh3, rawCh3, rawCh3))
print ("--------------------")
time.sleep(0.5)