def status(self):
try:
self.obtain_lock()
# restart status...
cmd = SPINDIRx1Cmd.find('ws')
response = self._transact(cmd)
watchdog_reset = bool(response)
# input voltage...
cmd = SPINDIRx1Cmd.find('iv')
response = self._transact(cmd)
pwr_in = Decode.float(response, '<')
# uptime...
cmd = SPINDIRx1Cmd.find('up')
response = self._transact(cmd)
seconds = Decode.unsigned_long(response, '<')
status = NDIRStatus(watchdog_reset, pwr_in, NDIRUptime(seconds))
return status
finally:
self.release_lock()
def _calib_w_float(self, block, index, value):
cmd = SPINDIRx1Cmd.find('cw')
value_bytes = Encode.float(value, '<')
self._transact(cmd, (block, index), value_bytes)
time.sleep(cmd.execution_time)
def reset(self):
try:
self.obtain_lock()
# force reset...
cmd = SPINDIRx1Cmd.find('wr')
self._transact(cmd)
time.sleep(cmd.execution_time)
# clear status...
cmd = SPINDIRx1Cmd.find('wc')
self._transact(cmd)
finally:
self.release_lock()
def _calib_r_float(self, block, index):
cmd = SPINDIRx1Cmd.find('cr')
cmd.return_count = 4
response = self._transact(cmd, (block, index))
value = Decode.float(response, '<')
return value
def watchdog_clear(self):
try:
self.obtain_lock()
cmd = SPINDIRx1Cmd.find('wc')
self._transact(cmd)
finally:
self.release_lock()
def record_raw(self, deferral, interval, count):
try:
self.obtain_lock()
# start recording...
deferral_bytes = Encode.unsigned_int(deferral, '<')
interval_bytes = Encode.unsigned_int(interval, '<')
count_bytes = Encode.unsigned_int(count, '<')
param_bytes = []
param_bytes.extend(deferral_bytes)
param_bytes.extend(interval_bytes)
param_bytes.extend(count_bytes)
cmd = SPINDIRx1Cmd.find('rs')
self._transact(cmd, param_bytes)
# wait...
execution_time = cmd.execution_time + ((
(interval * count) + deferral) / 1000)
# print("execution time: %s" % execution_time, file=sys.stderr)
time.sleep(execution_time)
# playback...
cmd = SPINDIRx1Cmd.find('rp')
cmd.return_count = count * 10
response = self._transact(cmd)
values = []
for i in range(0, cmd.return_count, 10):
timestamp = Decode.unsigned_int(response[i:i + 2], '<')
pile_ref = Decode.long(response[i + 2:i + 6], '<')
pile_act = Decode.long(response[i + 6:i + 10], '<')
values.append((timestamp, pile_ref, pile_act))
return values
finally:
self.release_lock()
def measure_calibrate(self):
try:
self.obtain_lock()
cmd = SPINDIRx1Cmd.find('mc')
self._transact(cmd)
time.sleep(cmd.execution_time)
finally:
self.release_lock()
def reload_calib(self):
try:
self.obtain_lock()
cmd = SPINDIRx1Cmd.find('cl')
self._transact(cmd)
time.sleep(cmd.execution_time)
finally:
self.release_lock()
def version(self):
try:
self.obtain_lock()
# version ident...
cmd = SPINDIRx1Cmd.find('vi')
response = self._transact(cmd)
id = ''.join([chr(byte) for byte in response]).strip()
# version tag...
cmd = SPINDIRx1Cmd.find('vt')
response = self._transact(cmd)
tag = ''.join([chr(byte) for byte in response]).strip()
version = NDIRVersion(id, NDIRTag.construct_from_jdict(tag))
return version
finally:
self.release_lock()
def lamp_level(self, voltage):
try:
self.obtain_lock()
voltage_bytes = Encode.float(voltage, '<')
cmd = SPINDIRx1Cmd.find('ll')
self._transact(cmd, voltage_bytes)
finally:
self.release_lock()
def lamp_run(self, on):
try:
self.obtain_lock()
on_byte = 1 if on else 0
cmd = SPINDIRx1Cmd.find('lr')
self._transact(cmd, (on_byte, ))
finally:
self.release_lock()
def input_voltage(self):
try:
self.obtain_lock()
cmd = SPINDIRx1Cmd.find('iv')
response = self._transact(cmd)
v_in_voltage = Decode.float(response, '<')
return v_in_voltage
finally:
self.release_lock()
def input_raw(self):
try:
self.obtain_lock()
cmd = SPINDIRx1Cmd.find('ir')
response = self._transact(cmd)
v_in_value = Decode.unsigned_int(response, '<')
return v_in_value
finally:
self.release_lock()
def cmd(self, name, response_time, execution_time, return_count):
command = SPINDIRx1Cmd(name, response_time, execution_time,
return_count)
try:
self.obtain_lock()
self._transact(command)
time.sleep(execution_time)
finally:
self.release_lock()
def pressure(self):
try:
self.obtain_lock()
cmd = SPINDIRx1Cmd.find('sp')
response = self._transact(cmd)
p_a = Decode.float(response[0:4], '<')
return round(p_a, 1)
finally:
self.release_lock()
def get_sample_mode(self, single_shot):
try:
self.obtain_lock()
mode_byte = 1 if single_shot else 0
cmd = SPINDIRx1Cmd.find('sm')
self._transact(cmd, (mode_byte, ))
time.sleep(cmd.execution_time)
finally:
self.release_lock()
def measure_voltage(self):
try:
self.obtain_lock()
cmd = SPINDIRx1Cmd.find('mv')
response = self._transact(cmd)
pile_ref_voltage = Decode.float(response[0:4], '<')
pile_act_voltage = Decode.float(response[4:8], '<')
thermistor_voltage = Decode.float(response[8:12], '<')
return pile_ref_voltage, pile_act_voltage, thermistor_voltage
finally:
self.release_lock()
def measure_raw(self):
try:
self.obtain_lock()
cmd = SPINDIRx1Cmd.find('mr')
response = self._transact(cmd)
pile_ref_value = Decode.unsigned_int(response[0:2], '<')
pile_act_value = Decode.unsigned_int(response[2:4], '<')
thermistor_value = Decode.unsigned_int(response[4:6], '<')
return pile_ref_value, pile_act_value, thermistor_value
finally:
self.release_lock()
def sample(self):
try:
self.obtain_lock()
cmd = SPINDIRx1Cmd.find('sg')
response = self._transact(cmd)
cnc = Decode.float(response[0:4], '<')
cnc_igl = Decode.float(response[4:8], '<')
temp = Decode.float(response[8:12], '<')
return NDIRDatum(temp, cnc, cnc_igl)
finally:
self.release_lock()
def get_sample_raw(self):
try:
self.obtain_lock()
# report...
cmd = SPINDIRx1Cmd.find('sr')
response = self._transact(cmd)
pile_ref_amplitude = Decode.unsigned_int(response[0:2], '<')
pile_act_amplitude = Decode.unsigned_int(response[2:4], '<')
thermistor_average = Decode.unsigned_int(response[4:6], '<')
return pile_ref_amplitude, pile_act_amplitude, thermistor_average
finally:
self.release_lock()
def get_sample_offsets(self):
try:
self.obtain_lock()
# report...
cmd = SPINDIRx1Cmd.find('so')
response = self._transact(cmd)
min_ref_offset = Decode.unsigned_int(response[0:2], '<')
min_act_offset = Decode.unsigned_int(response[2:4], '<')
max_ref_offset = Decode.unsigned_int(response[4:6], '<')
max_act_offset = Decode.unsigned_int(response[6:8], '<')
return min_ref_offset, min_act_offset, max_ref_offset, max_act_offset
finally:
self.release_lock()
def get_sample_voltage(self):
try:
self.obtain_lock()
# report...
cmd = SPINDIRx1Cmd.find('sv')
response = self._transact(cmd)
pile_ref_amplitude = Decode.float(response[0:4], '<')
pile_act_amplitude = Decode.float(response[4:8], '<')
thermistor_average = Decode.float(response[8:12], '<')
# print("pile_ref_amplitude: %s pile_act_amplitude: %s thermistor_average: %s" % \
# (pile_ref_amplitude, pile_act_amplitude, thermistor_average))
return pile_ref_amplitude, pile_act_amplitude, thermistor_average
finally:
self.release_lock()
""" Created on 13 Feb 2018 @author: Bruno Beloff ([email protected]) """ from scs_ndir.gas.ndir.spi_ndir_x1.spi_ndir_x1_cmd import SPINDIRx1Cmd # -------------------------------------------------------------------------------------------------------------------- SPINDIRx1Cmd.init()