453 lines
15 KiB
Python
453 lines
15 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import os
|
|
import struct
|
|
import time
|
|
import random
|
|
import serial
|
|
import sys
|
|
|
|
from PyQt5.QtCore import Qt, QTimer, QThread, QObject, pyqtSignal
|
|
from PyQt5.QtWidgets import (
|
|
QApplication,
|
|
QWidget,
|
|
QPushButton,
|
|
QVBoxLayout,
|
|
QHBoxLayout,
|
|
QGridLayout,
|
|
QLabel,
|
|
QGroupBox,
|
|
)
|
|
|
|
|
|
BITRATE = 115200 # baud/s
|
|
TIMEOUT = 1 # seconds
|
|
N_SLAVES = 6
|
|
LOG_FRAME_LENGTH = 8 # bytes
|
|
|
|
CELLS_PER_SLAVE = 10
|
|
TEMP_SENSORS_PER_SLAVE = 32
|
|
VOLTAGE_CONV = 5.0 / 255 # volts/quantum
|
|
TEMP_CONV = 0.0625 * 16 # °C/quantum
|
|
|
|
|
|
class SlaveData:
|
|
cell_voltages: list[float]
|
|
cell_temps: list[float]
|
|
|
|
def __init__(self) -> None:
|
|
self.cell_voltages = [-1] * CELLS_PER_SLAVE
|
|
self.cell_temps = [-1] * TEMP_SENSORS_PER_SLAVE
|
|
|
|
|
|
class AccumulatorData:
|
|
slaves: list[SlaveData]
|
|
min_voltage: float
|
|
max_voltage: float
|
|
min_temp: float
|
|
max_temp: float
|
|
last_frame: float
|
|
time_since_last_frame: float
|
|
current: float
|
|
panic: bool
|
|
panic_errorcode: int
|
|
panic_errorarg: int
|
|
|
|
def __init__(self) -> None:
|
|
self.slaves = [SlaveData() for _ in range(N_SLAVES)]
|
|
self.min_voltage = (
|
|
self.max_voltage
|
|
) = self.min_temp = self.max_temp = self.last_frame = self.current = 0
|
|
self.panic = False
|
|
self.panic_errorcode = self.panic_errorarg = 0
|
|
self.time_since_last_frame = 0
|
|
|
|
def fill_dummy_data(self):
|
|
self.min_voltage = random.uniform(1, 3)
|
|
self.max_voltage = random.uniform(3, 5)
|
|
self.min_temp = random.uniform(0, 25)
|
|
self.max_temp = random.uniform(25, 60)
|
|
self.current = random.uniform(25, 60)
|
|
self.last_frame = time.time() - random.random()
|
|
self.panic = random.choice([True, False])
|
|
if self.panic:
|
|
self.panic_errorcode = random.randint(1, 10000)
|
|
self.panic_errorarg = "ABCDERFG"
|
|
else:
|
|
self.panic_errorcode = 0
|
|
self.panic_errorarg = ""
|
|
data.time_since_last_frame = random.uniform(1, 60)
|
|
|
|
for i in range(N_SLAVES):
|
|
self.slaves[i].cell_voltages = [
|
|
random.uniform(1, 5) for i in range(CELLS_PER_SLAVE)
|
|
]
|
|
self.slaves[i].cell_temps = [
|
|
random.uniform(25, 60) for i in range(CELLS_PER_SLAVE)
|
|
]
|
|
|
|
|
|
class StackGuiElement:
|
|
title: str
|
|
min_voltage_label: QLabel
|
|
max_voltage_label: QLabel
|
|
min_temp_label: QLabel
|
|
max_temp_label: QLabel
|
|
groupBox: QGroupBox
|
|
|
|
def __init__(self, title: str):
|
|
self.title = title
|
|
self.min_voltage_label = QLabel()
|
|
self.max_voltage_label = QLabel()
|
|
self.min_temp_label = QLabel()
|
|
self.max_temp_label = QLabel()
|
|
self.groupBox = QGroupBox()
|
|
self.__post__init__()
|
|
|
|
def __post__init__(self):
|
|
l1 = QLabel("Min Voltage [V]")
|
|
l2 = QLabel("Max Voltage [V]")
|
|
l3 = QLabel("Min Temperature [°C]")
|
|
l4 = QLabel("Max Temperature [°C]")
|
|
|
|
l1.setAlignment(Qt.AlignLeft)
|
|
l2.setAlignment(Qt.AlignLeft)
|
|
l3.setAlignment(Qt.AlignLeft)
|
|
l4.setAlignment(Qt.AlignLeft)
|
|
|
|
self.min_voltage_label.setAlignment(Qt.AlignLeft)
|
|
self.max_voltage_label.setAlignment(Qt.AlignLeft)
|
|
self.min_temp_label.setAlignment(Qt.AlignLeft)
|
|
self.max_temp_label.setAlignment(Qt.AlignLeft)
|
|
|
|
grid = QGridLayout()
|
|
grid.addWidget(l1, 0, 0)
|
|
grid.addWidget(l2, 1, 0)
|
|
grid.addWidget(l3, 0, 2)
|
|
grid.addWidget(l4, 1, 2)
|
|
|
|
grid.addWidget(self.min_voltage_label, 0, 1)
|
|
grid.addWidget(self.max_voltage_label, 1, 1)
|
|
grid.addWidget(self.min_temp_label, 0, 3)
|
|
grid.addWidget(self.max_temp_label, 1, 3)
|
|
|
|
self.groupBox.setTitle(self.title)
|
|
self.groupBox.setLayout(grid)
|
|
|
|
def update_data_from_slave(self, slave: SlaveData):
|
|
self.min_voltage_label.setNum(min(slave.cell_voltages))
|
|
self.max_voltage_label.setNum(max(slave.cell_voltages))
|
|
self.min_temp_label.setNum(min(slave.cell_temps))
|
|
self.max_temp_label.setNum(max(slave.cell_temps))
|
|
|
|
|
|
class Window(QWidget):
|
|
|
|
stop_signal = (
|
|
pyqtSignal()
|
|
) # make a stop signal to communicate with the worker in another thread
|
|
|
|
def __init__(self, parent=None):
|
|
super(Window, self).__init__(parent)
|
|
|
|
win = QVBoxLayout()
|
|
|
|
### ACCUMULATOR GENERAL ###
|
|
self.l1 = QLabel("Min Voltage [V]")
|
|
self.l1.setAlignment(Qt.AlignLeft)
|
|
self.l_min_voltage = QLabel()
|
|
self.l_min_voltage.setNum(data.min_voltage)
|
|
self.l_min_voltage.setAlignment(Qt.AlignLeft)
|
|
|
|
self.l2 = QLabel("Max Voltage [V]")
|
|
self.l2.setAlignment(Qt.AlignLeft)
|
|
self.l_max_voltage = QLabel()
|
|
self.l_max_voltage.setNum(data.max_voltage)
|
|
self.l_max_voltage.setAlignment(Qt.AlignLeft)
|
|
|
|
self.l3 = QLabel("Min Temperature [°C]")
|
|
self.l3.setAlignment(Qt.AlignLeft)
|
|
self.l_min_temp = QLabel()
|
|
self.l_min_temp.setNum(data.min_temp)
|
|
self.l_min_temp.setAlignment(Qt.AlignLeft)
|
|
|
|
self.l4 = QLabel("Max Temperature [°C]")
|
|
self.l4.setAlignment(Qt.AlignLeft)
|
|
self.l_max_temp = QLabel()
|
|
self.l_max_temp.setNum(data.max_temp)
|
|
self.l_max_temp.setAlignment(Qt.AlignLeft)
|
|
|
|
self.l5 = QLabel("Current [A]")
|
|
self.l5.setAlignment(Qt.AlignLeft)
|
|
self.l_current = QLabel()
|
|
self.l_current.setNum(data.current)
|
|
self.l_current.setAlignment(Qt.AlignLeft)
|
|
|
|
self.l6 = QLabel("Error")
|
|
self.l_error = QLabel()
|
|
self.l_error.setText(str(data.panic))
|
|
self.l_error.setAlignment(Qt.AlignLeft)
|
|
self.l_errorcode = QLabel()
|
|
self.l_errorcode.setText(str(data.panic_errorcode))
|
|
self.l_errorcode.setAlignment(Qt.AlignLeft)
|
|
self.l_errorarg = QLabel()
|
|
self.l_errorarg.setText(str(data.panic_errorarg))
|
|
self.l_errorcode.setAlignment(Qt.AlignLeft)
|
|
|
|
self.l7 = QLabel("Time Since Last Dataframe")
|
|
self.l_time_since_last_frame = QLabel()
|
|
self.l_time_since_last_frame.setText(str(data.time_since_last_frame))
|
|
self.l_time_since_last_frame.setAlignment(Qt.AlignLeft)
|
|
|
|
### LAYOUT ACCUMULATOR GENERAL ###
|
|
grid_accumulator = QGridLayout()
|
|
grid_accumulator.addWidget(self.l1, 0, 0)
|
|
grid_accumulator.addWidget(self.l2, 1, 0)
|
|
grid_accumulator.addWidget(self.l3, 0, 2)
|
|
grid_accumulator.addWidget(self.l4, 1, 2)
|
|
grid_accumulator.addWidget(self.l5, 2, 0)
|
|
grid_accumulator.addWidget(self.l6, 3, 0)
|
|
grid_accumulator.addWidget(self.l7, 4, 0)
|
|
|
|
grid_accumulator.addWidget(self.l_min_voltage, 0, 1)
|
|
grid_accumulator.addWidget(self.l_max_voltage, 1, 1)
|
|
grid_accumulator.addWidget(self.l_min_temp, 0, 3)
|
|
grid_accumulator.addWidget(self.l_max_temp, 1, 3)
|
|
grid_accumulator.addWidget(self.l_current, 2, 1)
|
|
grid_accumulator.addWidget(self.l_error, 3, 1)
|
|
grid_accumulator.addWidget(self.l_errorcode, 3, 2)
|
|
grid_accumulator.addWidget(self.l_errorarg, 3, 3)
|
|
grid_accumulator.addWidget(self.l_time_since_last_frame, 4, 1)
|
|
|
|
groupBox_accumulator = QGroupBox("Accumulator General")
|
|
groupBox_accumulator.setLayout(grid_accumulator)
|
|
|
|
win.addWidget(groupBox_accumulator)
|
|
|
|
### STACKS ###
|
|
self.stack_gui_elements = []
|
|
for i in range(N_SLAVES):
|
|
sge = StackGuiElement(f"Stack {i}")
|
|
sge.update_data_from_slave(data.slaves[i])
|
|
self.stack_gui_elements.append(sge)
|
|
|
|
### LAYOUT STACKS ###
|
|
n_slaves_half = N_SLAVES // 2
|
|
grid_stacks = QGridLayout()
|
|
for i, sge in enumerate(self.stack_gui_elements):
|
|
grid_stacks.addWidget(
|
|
sge.groupBox, 0 if i < n_slaves_half else 1, i % n_slaves_half
|
|
)
|
|
|
|
groupBox_stacks = QGroupBox("Individual Stacks")
|
|
groupBox_stacks.setLayout(grid_stacks)
|
|
|
|
win.addWidget(groupBox_stacks)
|
|
|
|
### BUTTONS ###
|
|
self.btn_start = QPushButton("Start Serial")
|
|
self.btn_start.resize(self.btn_start.sizeHint())
|
|
self.btn_start.move(50, 50)
|
|
self.btn_stop = QPushButton("Stop Serial")
|
|
self.btn_stop.resize(self.btn_stop.sizeHint())
|
|
self.btn_stop.move(150, 50)
|
|
self.btn_charge = QPushButton("Start Charging")
|
|
self.btn_charge.resize(self.btn_stop.sizeHint())
|
|
self.btn_charge.move(150, 50)
|
|
|
|
### LAYOUT BUTTONS ###
|
|
vbox_controls = QVBoxLayout()
|
|
vbox_controls.addWidget(self.btn_start)
|
|
vbox_controls.addWidget(self.btn_stop)
|
|
vbox_controls.addWidget(self.btn_charge)
|
|
groupBox_controls = QGroupBox("Controls")
|
|
groupBox_controls.setLayout(vbox_controls)
|
|
win.addWidget(groupBox_controls)
|
|
|
|
# Start Button action
|
|
self.btn_start.clicked.connect(self.start_thread)
|
|
|
|
# Stop Button action
|
|
self.btn_stop.clicked.connect(self.stop_thread)
|
|
|
|
# Charge Button action
|
|
self.btn_charge.clicked.connect(self.start_charge)
|
|
|
|
self.setLayout(win)
|
|
self.setWindowTitle("FT22 Charger Display")
|
|
|
|
# When start_btn is clicked this runs. Creates the worker and the thread.
|
|
def start_thread(self):
|
|
self.thread = QThread()
|
|
self.worker = Worker()
|
|
self.stop_signal.connect(
|
|
self.worker.stop
|
|
) # connect stop signal to worker stop method
|
|
self.worker.moveToThread(self.thread)
|
|
|
|
self.worker.finished.connect(
|
|
self.thread.quit
|
|
) # connect the workers finished signal to stop thread
|
|
self.worker.finished.connect(
|
|
self.worker.deleteLater
|
|
) # connect the workers finished signal to clean up worker
|
|
self.thread.finished.connect(
|
|
self.thread.deleteLater
|
|
) # connect threads finished signal to clean up thread
|
|
|
|
self.thread.started.connect(self.worker.do_work)
|
|
self.thread.finished.connect(self.worker.stop)
|
|
self.thread.start()
|
|
|
|
# When stop_btn is clicked this runs. Terminates the worker and the thread.
|
|
def stop_thread(self):
|
|
self.stop_signal.emit() # emit the finished signal on stop
|
|
|
|
def start_charge(self):
|
|
ser.write(b"C")
|
|
|
|
def update(self):
|
|
# Accumulator
|
|
self.l_min_voltage.setNum(data.min_voltage)
|
|
self.l_max_voltage.setNum(data.max_voltage)
|
|
self.l_min_temp.setNum(data.min_temp)
|
|
self.l_max_temp.setNum(data.max_temp)
|
|
self.l_current.setNum(data.current)
|
|
self.l_error.setText(str(data.panic))
|
|
self.l_errorcode.setText(str(data.panic_errorcode))
|
|
self.l_errorarg.setText(str(data.panic_errorarg))
|
|
self.l_time_since_last_frame.setText(str(data.time_since_last_frame))
|
|
|
|
# Stacks
|
|
for i, sge in enumerate(self.stack_gui_elements):
|
|
sge.update_data_from_slave(data.slaves[i])
|
|
|
|
|
|
class Worker(QObject):
|
|
|
|
finished = pyqtSignal() # give worker class a finished signal
|
|
|
|
def __init__(self, parent=None):
|
|
QObject.__init__(self, parent=parent)
|
|
self.continue_run = True # provide a bool run condition for the class
|
|
|
|
def do_work(self):
|
|
i = 1
|
|
while self.continue_run: # give the loop a stoppable condition
|
|
data.fill_dummy_data()
|
|
# self.charger_communication()
|
|
# QThread.sleep(1)
|
|
|
|
self.finished.emit() # emit the finished signal when the loop is done
|
|
|
|
def charger_communication(self):
|
|
rx_data = ser.read(32)
|
|
if len(rx_data) > 0:
|
|
rx_buf = rx_data
|
|
if (start := self.check_log_start(rx_buf)) != -1:
|
|
self.decode_log_frame(rx_buf[start + 3 : start + 11])
|
|
rx_buf = b""
|
|
elif (start := self.check_current_start(rx_buf)) != -1:
|
|
self.decode_current_frame(rx_buf[start + 3 : start + 11])
|
|
rx_buf = b""
|
|
elif (start := self.check_panic_start(rx_buf)) != -1:
|
|
self.decode_panic_frame(rx_buf[start + 3 : start + 11])
|
|
rx_buf = b""
|
|
|
|
def check_log_start(buf: bytes):
|
|
return buf[:-12].find(b"LOG")
|
|
|
|
def check_current_start(buf: bytes):
|
|
return buf[:-12].find(b"CUR")
|
|
|
|
def check_panic_start(buf: bytes):
|
|
return buf[:-12].find(b"PAN")
|
|
|
|
def decode_log_frame(buf: bytes):
|
|
msg_id = buf[0]
|
|
slave = msg_id >> 4
|
|
frame_id = msg_id & 0x0F
|
|
if slave >= N_SLAVES:
|
|
return
|
|
|
|
if frame_id == 0:
|
|
for i in range(7):
|
|
data.slaves[slave].cell_voltages[i] = buf[i + 1] * VOLTAGE_CONV
|
|
elif frame_id == 1:
|
|
for i in range(3):
|
|
data.slaves[slave].cell_voltages[i + 7] = buf[i + 1] * VOLTAGE_CONV
|
|
for i in range(4):
|
|
data.slaves[slave].cell_temps[i] = buf[i + 4] * TEMP_CONV
|
|
elif frame_id == 2:
|
|
for i in range(7):
|
|
data.slaves[slave].cell_temps[i + 4] = buf[i + 1] * TEMP_CONV
|
|
elif frame_id == 3:
|
|
for i in range(7):
|
|
data.slaves[slave].cell_temps[i + 11] = buf[i + 1] * TEMP_CONV
|
|
elif frame_id == 4:
|
|
for i in range(7):
|
|
data.slaves[slave].cell_temps[i + 18] = buf[i + 1] * TEMP_CONV
|
|
elif frame_id == 5:
|
|
for i in range(7):
|
|
data.slaves[slave].cell_temps[i + 25] = buf[i + 1] * TEMP_CONV
|
|
else:
|
|
# print(f"Unknown frame ID: {frame_id} (buf: {repr(buf)})", file=sys.stderr)
|
|
# time.sleep(1)
|
|
return
|
|
voltages = [
|
|
slave.cell_voltages[i]
|
|
for i in range(CELLS_PER_SLAVE)
|
|
for slave in data.slaves
|
|
]
|
|
temps = [
|
|
slave.cell_temps[i]
|
|
for i in range(TEMP_SENSORS_PER_SLAVE)
|
|
for slave in data.slaves
|
|
]
|
|
data.min_voltage = min(voltages)
|
|
data.max_voltage = max(voltages)
|
|
data.min_temp = min(temps)
|
|
data.max_temp = max(temps)
|
|
data.time_since_last_frame = time.time() - data.last_frame
|
|
|
|
data.last_frame = time.time()
|
|
|
|
def decode_current_frame(buf: bytes):
|
|
# current = (buf[2] << 24) | (buf[3] << 16) | (buf[4] << 8) | (buf[5])
|
|
current = struct.unpack(">i", buf[2:6])[0]
|
|
data.current = current / 1000.0
|
|
|
|
def decode_panic_frame(buf: bytes):
|
|
data.panic = True
|
|
data.panic_errorcode = buf[0]
|
|
data.panic_errorarg = buf[1]
|
|
|
|
def stop(self):
|
|
self.continue_run = False # set the run condition to false on stop
|
|
|
|
|
|
if __name__ == "__main__":
|
|
data = AccumulatorData()
|
|
rx_buf = bytes()
|
|
|
|
"""
|
|
if len(sys.argv) != 2:
|
|
print(f"Usage: {sys.argv[0]} SERIAL-PORT", file=sys.stderr)
|
|
sys.exit(os.EX_USAGE)
|
|
|
|
SERIAL_PORT = sys.argv[1]
|
|
print(SERIAL_PORT)
|
|
ser = serial.Serial(SERIAL_PORT, BITRATE, timeout=TIMEOUT)
|
|
"""
|
|
|
|
app = QApplication(sys.argv)
|
|
gui = Window()
|
|
gui.show()
|
|
|
|
timer = QTimer()
|
|
# timer.timeout.connect(data.fill_dummy_data)
|
|
timer.timeout.connect(gui.update)
|
|
timer.start(1000) # every 1,000 milliseconds
|
|
|
|
sys.exit(app.exec_())
|