INTERVAL = 1.0
# which ADC channel
ADC_CHANNEL = 0
if 'debug' in sys.argv:
DEBUG = True
else:
DEBUG = False
ts = TimeSeries(["voltage"])
if DEBUG:
print("\nPress CTRL+C to exit.\n")
time.sleep(
INTERVAL) # short pause after ads1015 class creation recommended(??)
try:
while True:
t = time.time()
value = adc.read_adc(ADC_CHANNEL, gain=GAIN, data_rate=DATA_RATE)
volts = float(value) / MAX_VALUE * GAIN_VOLTAGE / VOLT_DIVIDER
if DEBUG:
print("{0:.3f} {1:5d} {2:.6f}".format(t, value, volts))
ts.store(t, [volts])
time.sleep(INTERVAL)
except KeyboardInterrupt:
print("...exiting...")
if use_hw_spi:
mcp = Adafruit_MCP3008.MCP3008(spi=SPI.SpiDev(0, 0))
else:
mcp = Adafruit_MCP3008.MCP3008(clk=CLK, cs=CS, miso=MISO, mosi=MOSI)
ts = TimeSeries(["voltage", "temp"])
print("\nPress CTRL+C to exit.\n")
try:
while True:
# read the analog pin
value = mcp.read_adc(TARGET_ADC)
volt = voltage(value)
temp_C = temp(volt)
temp_F = 9 * temp_C / 5 + 32
t = time.time()
form = 't={time:.3f} - val= {volt:.3f} V == {temp:.3f} C / {temp_F:.3f} F'
print(form.format(time=t, volt=volt, temp=temp_C, temp_F=temp_F))
ts.store(t, [volt, temp_F])
# hang out and do nothing for a second
time.sleep(INTERVAL)
except KeyboardInterrupt:
# normal to exit with ^C
pass