veles_labs/iaq_sensor_wired
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WIP test scripts

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mj 2021-11-26 21:33:22 +01:00
parent 998740b147
commit 3d2dc18d34
3 changed files with 5 additions and 12 deletions
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14
tests/find_device.py
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@ -72,17 +72,9 @@ for a in addr:
for b in baud: for b in baud:
print(f'Address {a : >3} baud {b : >6}: ', end='') print(f'Address {a : >3} baud {b : >6}: ', end='')
try: try:
# modbus init s = Sensor(address=a, baudrate=b)
instrument = minimalmodbus.Instrument('/dev/rs485', a, close_port_after_each_call=True) # port name, slave address (in decimal) reg_number = Sensor.input_register_start + Sensor.input_register_offset['CO2']
instrument.serial.baudrate = b s.read_register(reg_number)
instrument.serial.bytesize = 8
instrument.serial.parity = serial.PARITY_EVEN
instrument.serial.stopbits = 1
instrument.serial.timeout = 0.05 # seconds
instrument.mode = minimalmodbus.MODE_RTU # rtu or ascii mode
instrument.clear_buffers_before_each_transaction = True
##
CO2 = instrument.read_register(CO2_offset, 1, functioncode=4) * 10
print('DEVICE RESPONDED') print('DEVICE RESPONDED')
total_devices += 1 total_devices += 1
except minimalmodbus.NoResponseError: except minimalmodbus.NoResponseError:

1
tests/query_device.py
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@ -136,6 +136,7 @@ elif action == 'write':
print('---- Register write ----') print('---- Register write ----')
try: try:
s.write_register(reg_number, value) s.write_register(reg_number, value)
print(f'{reg_number : <10} {int(value) : <10}')
except ValueError: except ValueError:
print(f'Register number {reg_number} cannot be written') print(f'Register number {reg_number} cannot be written')
exit(-9) exit(-9)

2
tests/sensor.py
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@ -79,7 +79,7 @@ class Sensor():
except (minimalmodbus.NoResponseError, minimalmodbus.InvalidResponseError) as e: except (minimalmodbus.NoResponseError, minimalmodbus.InvalidResponseError) as e:
retries -= 1 retries -= 1
continue continue
raise e raise e
# generic read register function # generic read register function
def read_register(self, register_number): def read_register(self, register_number):
if self.input_register_start <= register_number <= self.input_register_end: if self.input_register_start <= register_number <= self.input_register_end: