def update_waveforms(self):
# self.time = self.time + (1/1000)*WAVEFORMS.UPDATE_INTERVAL_MS
# Use the processor clock to determine elapsed time since last function call
self.time_now = time.time()
if SIMULATION:
self.Paw = (self.Paw + 0.2)%5
self.Volume = (self.Volume + 0.2)%5
self.Flow = (self.Flow + 0.2)%5
self.file.write(str(self.time_now)+','+str(self.Paw)+','+str(self.Flow)+','+str(self.Volume)+'\n')
else:
readout = self.microcontroller.read_received_packet_nowait()
if readout is not None:
self.Paw = (utils.unsigned_to_signed(readout[0:2],MicrocontrollerDef.N_BYTES_DATA)/(65536/2))*MicrocontrollerDef.PAW_FS
self.Flow = (utils.unsigned_to_signed(readout[2:4],MicrocontrollerDef.N_BYTES_DATA)/(65536/2))*MicrocontrollerDef.FLOW_FS
self.Volume = (utils.unsigned_to_unsigned(readout[4:6],MicrocontrollerDef.N_BYTES_DATA)/65536)*MicrocontrollerDef.VOLUME_FS
# self.time = float(utils.unsigned_to_unsigned(readout[6:8],MicrocontrollerDef.N_BYTES_DATA))*MicrocontrollerDef.TIMER_PERIOD_ms/1000
self.file.write(str(self.time_now)+','+str(self.Paw)+','+str(self.Flow)+','+str(self.Volume)+','+str(self.ventController.Vt)+','+str(self.ventController.Ti)+','+str(self.ventController.RR)+','+str(self.ventController.PEEP) +'\n')
# reduce display refresh rate
self.counter = self.counter + 1
if self.counter>=1:
self.time_diff = self.time_now - self.time_prev
self.time_prev = self.time_now
self.time += self.time_diff
self.counter = 0
self.signal_Paw.emit(self.time,self.Paw)
self.signal_Flow.emit(self.time,self.Flow)
self.signal_Volume.emit(self.time,self.Volume)
def update_waveforms(self):
# self.time = self.time + (1/1000)*WAVEFORMS.UPDATE_INTERVAL_MS
if SIMULATION:
# test plotting multiple data points at a time
for i in range(MCU.TIMEPOINT_PER_UPDATE):
# Use the processor clock to determine elapsed time since last function call
self.time_now = time.time()
self.time_diff = self.time_now - self.time_prev
self.time_prev = self.time_now
self.time += self.time_diff
self.Paw = (self.Paw + 0.2 / MCU.TIMEPOINT_PER_UPDATE) % 5
self.Volume = (self.Volume +
0.2 / MCU.TIMEPOINT_PER_UPDATE) % 5
self.Flow = (self.Flow + 0.2 / MCU.TIMEPOINT_PER_UPDATE) % 5
# self.file.write(str(self.time_now)+','+str(self.Paw)+','+str(self.Flow)+','+str(self.Volume)+'\n')
self.signal_Paw.emit(self.time, self.Paw)
self.signal_Flow.emit(self.time, self.Flow)
self.signal_Volume.emit(self.time, self.Volume)
else:
readout = self.microcontroller.read_received_packet_nowait()
if readout is not None:
self.time_now = time.time()
self.time_diff = self.time_now - self.time_prev
self.time_prev = self.time_now
self.time += self.time_diff
self.timestamp = int.from_bytes(readout[0:4],
byteorder='big',
signed=False)
print(self.timestamp)
self.Paw = (utils.unsigned_to_signed(
readout[0:2], MicrocontrollerDef.N_BYTES_DATA) /
(65536 / 2)) * MicrocontrollerDef.PAW_FS
self.Flow = (utils.unsigned_to_signed(
readout[2:4], MicrocontrollerDef.N_BYTES_DATA) /
(65536 / 2)) * MicrocontrollerDef.FLOW_FS
self.Volume = (utils.unsigned_to_unsigned(
readout[4:6], MicrocontrollerDef.N_BYTES_DATA) /
65536) * MicrocontrollerDef.VOLUME_FS
self.file.write(
str(self.time_now) + ',' + "{:.2f}".format(self.Paw) +
',' + "{:.2f}".format(self.Flow) + ',' +
"{:.2f}".format(self.Volume) + ',' +
str(self.ventController.Vt) + ',' +
str(self.ventController.Ti) + ',' +
str(self.ventController.RR) + ',' +
str(self.ventController.PEEP) + '\n')
# print("{:.2f}".format(self.Paw)+'\t'+"{:.2f}".format(self.Flow)+'\t'+"{:.2f}".format(self.Volume))
# reduce display refresh rate
self.counter_display = self.counter_display + 1
if self.counter_display >= 1:
self.counter_display = 0
self.signal_Paw.emit(self.time, self.Paw)
self.signal_Flow.emit(self.time, self.Flow)
self.signal_Volume.emit(self.time, self.Volume)
# self.signal_Paw.emit(self.time+0.01,self.Paw+2)
# self.signal_Flow.emit(self.time+0.001,self.Flow+2)
# self.signal_Volume.emit(self.time+0.01,self.Volume+2)
# self.signal_Paw.emit(self.time+0.0002,self.Paw)
# self.signal_Flow.emit(self.time+0.0002,self.Flow)
# self.signal_Volume.emit(self.time+0.0002,self.Volume)
# self.signal_Paw.emit(self.time+0.0003,self.Paw)
# self.signal_Flow.emit(self.time+0.0003,self.Flow)
# self.signal_Volume.emit(self.time+0.0003,self.Volume)
# self.signal_Paw.emit(self.time+0.0004,self.Paw)
# self.signal_Flow.emit(self.time+0.0004,self.Flow)
# self.signal_Volume.emit(self.time+0.0004,self.Volume)
# file flushing
self.counter_file_flush = self.counter_file_flush + 1
if self.counter_file_flush >= 500:
self.counter_file_flush = 0
self.file.flush()
def update_waveforms(self):
if SIMULATION:
# test plotting multiple data points at a time
#for i in range(MCU.TIMEPOINT_PER_UPDATE):
t_chunck = np.array([])
ch1_chunck = np.array([])
ch2_chunck = np.array([])
ch3_chunck = np.array([])
for i in range(MCU.TIMEPOINT_PER_UPDATE):
self.time = time.time()
self.ch1 = (self.ch1 + 0.2/MCU.TIMEPOINT_PER_UPDATE)%5
self.ch2 = (self.ch2 + 0.1/MCU.TIMEPOINT_PER_UPDATE)%5
self.ch3 = 0
# append variables for plotting
t_chunck = np.append(t_chunck,self.time)
ch1_chunck = np.append(ch1_chunck,self.ch1)
ch2_chunck = np.append(ch2_chunck,self.ch2)
ch3_chunck = np.append(ch3_chunck,self.ch3)
self.time_array = np.append(self.time_array,t_chunck)
self.ch1_array = np.append(self.ch1_array,ch1_chunck)
self.ch2_array = np.append(self.ch2_array,ch2_chunck)
self.ch3_array = np.append(self.ch3_array,ch2_chunck)
self.signal_plot1.emit(self.time_array,self.ch1_array)
self.signal_plot2.emit(self.time_array,self.ch2_array)
self.signal_plot3.emit(self.time_array,self.ch3_array)
self.signal_ch1.emit("{:.2f}".format(self.ch1))
self.signal_ch2.emit("{:.2f}".format(self.ch2))
self.signal_ch3.emit("{:.2f}".format(self.ch3))
else:
readout = self.microcontroller.read_received_packet_nowait()
if readout is not None:
self.time_now = time.time()
t_chunck = np.array([])
ch1_chunck = np.array([])
ch2_chunck = np.array([])
temp1_chunck = np.array([])
temp2_chunck = np.array([])
for i in range(MCU.TIMEPOINT_PER_UPDATE):
# time
self.time_ticks = int.from_bytes(readout[i*MCU.RECORD_LENGTH_BYTE:i*MCU.RECORD_LENGTH_BYTE+4], byteorder='big', signed=False)
if self.first_run:
self.time_ticks_start = self.time_ticks
self.first_run = False
self.time = (self.time_ticks - self.time_ticks_start)*MCU.TIMER_PERIOD_ms/1000
self.ch1 = utils.unsigned_to_unsigned(readout[i*MCU.RECORD_LENGTH_BYTE+4:i*MCU.RECORD_LENGTH_BYTE+6],2)
self.ch2 = utils.unsigned_to_unsigned(readout[i*MCU.RECORD_LENGTH_BYTE+6:i*MCU.RECORD_LENGTH_BYTE+8],2)
self.ch1 = (self.ch1/65535)*(comm._comm_flow_max-comm._comm_flow_min)+comm._comm_flow_min
self.ch2 = (self.ch2/65535)*(comm._comm_pressure_max-comm._comm_pressure_min)+comm._comm_pressure_min
record_from_MCU = (
str(self.time_ticks) + '\t' + str(self.ch1) + '\t' + "{:.2f}".format(self.ch2) )
record_settings = (str(self.time_now))
# print(record_from_MCU)
# saved variables
if self.logging_is_on:
self.file.write(record_from_MCU + '\t' + record_settings + '\n')
# append variables for plotting
t_chunck = np.append(t_chunck,self.time)
ch1_chunck = np.append(ch1_chunck,self.ch1)
ch2_chunck = np.append(ch2_chunck,self.ch2)
self.ch1_array = np.append(self.ch1_array,ch1_chunck)
self.ch2_array = np.append(self.ch2_array,ch2_chunck)
self.time_array = np.append(self.time_array,t_chunck)
# reduce display refresh rate
self.counter_display = self.counter_display + 1
if self.counter_display>=1:
self.counter_display = 0
self.signal_plot1.emit(self.time_array[-200*20:],self.ch1_array[-200*20:])
self.signal_plot2.emit(self.time_array[-200*20:],self.ch2_array[-200*20:])
self.signal_plotyy.emit(self.time_array[-200*20:],self.ch1_array[-200*20:],self.ch2_array[-200*20:])
self.signal_ch1.emit("{:.2f}".format(self.ch1))
self.signal_ch2.emit("{:.2f}".format(self.ch2))
# file flushing
if self.logging_is_on:
self.counter_file_flush = self.counter_file_flush + 1
if self.counter_file_flush>=500:
self.counter_file_flush = 0
self.file.flush()
