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3 Commits
61f652ee8f
...
857ca68d83
Author | SHA1 | Date |
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jazzpi | 857ca68d83 | |
jazzpi | 18d9517fcc | |
jazzpi | a3f3b2c23e |
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@ -1,5 +1,6 @@
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#!/usr/bin/env python3
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from enum import Enum
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import math
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import os
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import struct
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@ -33,8 +34,8 @@ LOG_FRAME_LENGTH = 8 # bytes
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PARALLEL_CELLS = 9
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CELLS_PER_SLAVE = 10
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TEMP_SENSORS_PER_SLAVE = 32
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VOLTAGE_CONV = 5.0 / 255 # volts/quantum
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TEMP_CONV = 0.0625 * 16 # °C/quantum
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VOLTAGE_CONV = 5.0 / 0xFFFF # volts/quantum
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TEMP_CONV = 0.0625 # °C/quantum
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ERRORCODE_TIMEOUT_SLAVE = 1
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ERRORCODE_SLAVE_PANIC = 2
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@ -60,7 +61,20 @@ class SlaveData:
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def __init__(self) -> None:
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self.cell_voltages = [-1] * CELLS_PER_SLAVE
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self.cell_temps = [-1] * TEMP_SENSORS_PER_SLAVE
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self.cell_temps = ([-1] * (TEMP_SENSORS_PER_SLAVE // 2)) + (
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[0] * (TEMP_SENSORS_PER_SLAVE // 2)
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)
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class TSState(Enum):
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TS_INACTIVE = 0
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TS_ACTIVE = 1
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TS_PRECHARGE = 2
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TS_DISCHARGE = 3
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TS_ERROR = 4
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TS_CHARGING_CHECK = 5
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TS_CHARGING = 6
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TS_BALANCING = 7
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class AccumulatorData:
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@ -77,6 +91,7 @@ class AccumulatorData:
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panic: bool
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panic_errorcode: int
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panic_errorarg: int
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ts_state: TSState
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def __init__(self) -> None:
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self.slaves = [SlaveData() for _ in range(N_SLAVES)]
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@ -90,6 +105,7 @@ class AccumulatorData:
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self.panic = False
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self.panic_errorcode = self.panic_errorarg = 0
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self.time_since_last_frame = 0
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self.ts_state = TSState.TS_INACTIVE
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def fill_dummy_data(self):
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self.min_voltage = random.uniform(1, 3)
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@ -142,7 +158,7 @@ class StackGuiElement:
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l2 = QLabel("Max Voltage [V]")
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l3 = QLabel("Min Temperature [°C]")
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l4 = QLabel("Max Temperature [°C]")
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popup_btn = QPushButton(self.title + " details")
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popup_btn = QPushButton("Details")
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popup_btn.clicked.connect(self.show_popup)
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l1.setAlignment(Qt.AlignLeft)
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@ -172,10 +188,10 @@ class StackGuiElement:
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self.groupBox.setLayout(grid)
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def update_data_from_slave(self, slave: SlaveData):
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self.min_voltage_label.setNum(min(slave.cell_voltages))
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self.max_voltage_label.setNum(max(slave.cell_voltages))
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self.min_temp_label.setNum(min(slave.cell_temps))
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self.max_temp_label.setNum(max(slave.cell_temps))
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self.min_voltage_label.setText(f"{min(slave.cell_voltages):.02f}")
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self.max_voltage_label.setText(f"{max(slave.cell_voltages):.02f}")
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self.min_temp_label.setText(f"{min(slave.cell_temps):.02f}")
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self.max_temp_label.setText(f"{max(slave.cell_temps):.02f}")
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def show_popup(self):
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if self.detail_popup is None:
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@ -313,15 +329,15 @@ class Window(QWidget):
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self.l_current.setNum(data.current)
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self.l_current.setAlignment(Qt.AlignLeft)
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self.l8 = QLabel("Error")
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self.l_error = QLabel()
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self.l_error.setText(str(data.panic))
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self.l_error.setAlignment(Qt.AlignLeft)
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self.l8 = QLabel("State")
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self.l_state = QLabel()
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self.l_state.setText(data.ts_state.name)
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self.l_state.setAlignment(Qt.AlignLeft)
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self.l_errorcode = QLabel()
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self.l_errorcode.setText(str(data.panic_errorcode))
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self.l_errorcode.setText("")
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self.l_errorcode.setAlignment(Qt.AlignLeft)
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self.l_errorarg = QLabel()
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self.l_errorarg.setText(str(data.panic_errorarg))
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self.l_errorarg.setText("")
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self.l_errorcode.setAlignment(Qt.AlignLeft)
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self.l9 = QLabel("Time Since Last Dataframe")
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@ -348,7 +364,7 @@ class Window(QWidget):
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grid_accumulator.addWidget(self.l_min_temp, 0, 3)
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grid_accumulator.addWidget(self.l_max_temp, 1, 3)
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grid_accumulator.addWidget(self.l_current, 2, 3)
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grid_accumulator.addWidget(self.l_error, 5, 1)
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grid_accumulator.addWidget(self.l_state, 5, 1)
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grid_accumulator.addWidget(self.l_errorcode, 5, 2)
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grid_accumulator.addWidget(self.l_errorarg, 5, 3)
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grid_accumulator.addWidget(self.l_time_since_last_frame, 3, 3)
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@ -386,14 +402,18 @@ class Window(QWidget):
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self.btn_stop.resize(self.btn_stop.sizeHint())
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self.btn_stop.move(150, 50)
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self.btn_charge = QPushButton("Start Charging")
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self.btn_charge.resize(self.btn_stop.sizeHint())
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self.btn_charge.move(150, 50)
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self.btn_charge.resize(self.btn_charge.sizeHint())
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self.btn_charge.move(250, 50)
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self.btn_balance = QPushButton("Start Balancing")
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self.btn_balance.resize(self.btn_balance.sizeHint())
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self.btn_balance.move(350, 50)
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### LAYOUT BUTTONS ###
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vbox_controls = QVBoxLayout()
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vbox_controls.addWidget(self.btn_start)
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vbox_controls.addWidget(self.btn_stop)
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vbox_controls.addWidget(self.btn_charge)
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vbox_controls.addWidget(self.btn_balance)
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groupBox_controls = QGroupBox("Controls")
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groupBox_controls.setLayout(vbox_controls)
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win.addWidget(groupBox_controls)
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@ -407,6 +427,9 @@ class Window(QWidget):
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# Charge Button action
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self.btn_charge.clicked.connect(self.start_charge)
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# Balance Button action
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self.btn_balance.clicked.connect(self.start_balance)
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self.setLayout(win)
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self.setWindowTitle("FT22 Charger Display")
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@ -440,19 +463,34 @@ class Window(QWidget):
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def start_charge(self):
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ser.write(b"C")
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def start_balance(self):
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ser.write(b"B")
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def update(self):
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# Accumulator
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self.l_min_voltage.setText(f"{data.min_voltage:.02f}")
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self.l_max_voltage.setText(f"{data.max_voltage:.02f}")
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self.l_min_soc.setText(f"{data.min_soc:.01f}")
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self.l_max_soc.setText(f"{data.max_soc:.01f}")
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self.l_min_temp.setText(f"{data.min_temp:.00f}")
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self.l_max_temp.setText(f"{data.max_temp:.00f}")
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self.l_current.setText(f"{data.current:.03f}")
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self.l_error.setText(str(data.panic))
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self.l_errorcode.setText(str(data.panic_errorcode))
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self.l_errorarg.setText(str(data.panic_errorarg))
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self.l_time_since_last_frame.setText(str(time.time() - data.last_frame))
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self.l_min_temp.setText(f"{data.min_temp:.02f}")
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self.l_max_temp.setText(f"{data.max_temp:.02f}")
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self.l_current.setText(f"{data.current:.02f}")
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self.l_state.setText(data.ts_state.name)
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if data.panic:
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self.l_errorcode.setText(str(data.panic_errorcode))
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self.l_errorarg.setText(str(data.panic_errorarg))
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for l in (self.l_state, self.l_errorcode, self.l_errorarg):
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l.setStyleSheet("color: red; font-weight: bold;")
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elif data.ts_state == TSState.TS_CHARGING:
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for l in (self.l_state, self.l_errorcode, self.l_errorarg):
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l.setStyleSheet("color: green; font-weight: bold;")
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else:
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self.l_errorcode.setText("")
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self.l_errorarg.setText("")
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for l in (self.l_state, self.l_errorcode, self.l_errorarg):
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l.setStyleSheet("color: black; font-weight: normal;")
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last_time = time.time() - data.last_frame
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self.l_time_since_last_frame.setText(f"{last_time:.03f}")
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# Stacks
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for i, sge in enumerate(self.stack_gui_elements):
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@ -492,6 +530,10 @@ class Worker(QObject):
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self.decode_panic_frame(rx_data[frame_start + 3 : frame_start + 11])
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rx_data = rx_data[frame_start + 11 :]
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continue
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elif (frame_start := self.check_status_start(rx_data)) != -1:
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self.decode_status_frame(rx_data[frame_start + 3 : frame_start + 11])
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rx_data = rx_data[frame_start + 11 :]
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continue
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break
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def check_log_start(self, buf: bytes):
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@ -503,6 +545,9 @@ class Worker(QObject):
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def check_panic_start(self, buf: bytes):
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return buf[:-12].find(b"PAN")
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def check_status_start(self, buf: bytes):
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return buf[:-12].find(b"STA")
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def decode_log_frame(self, buf: bytes):
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msg_id = buf[0]
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slave = msg_id >> 4
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@ -512,25 +557,44 @@ class Worker(QObject):
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return
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if frame_id == 0:
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for i in range(7):
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data.slaves[slave].cell_voltages[i] = buf[i + 1] * VOLTAGE_CONV
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for i in range(3):
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raw = (buf[i * 2 + 1] << 8) | buf[i * 2 + 2]
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data.slaves[slave].cell_voltages[i] = raw * VOLTAGE_CONV
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elif frame_id == 1:
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for i in range(3):
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data.slaves[slave].cell_voltages[i + 7] = buf[i + 1] * VOLTAGE_CONV
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for i in range(4):
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data.slaves[slave].cell_temps[i] = buf[i + 4] * TEMP_CONV
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raw = (buf[i * 2 + 1] << 8) | buf[i * 2 + 2]
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data.slaves[slave].cell_voltages[i + 3] = raw * VOLTAGE_CONV
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elif frame_id == 2:
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for i in range(7):
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data.slaves[slave].cell_temps[i + 4] = buf[i + 1] * TEMP_CONV
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for i in range(3):
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raw = (buf[i * 2 + 1] << 8) | buf[i * 2 + 2]
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data.slaves[slave].cell_voltages[i + 6] = raw * VOLTAGE_CONV
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elif frame_id == 3:
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for i in range(7):
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data.slaves[slave].cell_temps[i + 11] = buf[i + 1] * TEMP_CONV
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for i in range(1):
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raw = (buf[i * 2 + 1] << 8) | buf[i * 2 + 2]
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data.slaves[slave].cell_voltages[i + 9] = raw * VOLTAGE_CONV
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for i in range(2):
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raw = (buf[i * 2 + 3] << 8) | buf[i * 2 + 4]
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data.slaves[slave].cell_temps[i] = raw * TEMP_CONV
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elif frame_id == 4:
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for i in range(7):
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data.slaves[slave].cell_temps[i + 18] = buf[i + 1] * TEMP_CONV
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for i in range(3):
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raw = (buf[i * 2 + 1] << 8) | buf[i * 2 + 2]
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data.slaves[slave].cell_temps[i + 2] = raw * TEMP_CONV
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elif frame_id == 5:
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for i in range(7):
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data.slaves[slave].cell_temps[i + 25] = buf[i + 1] * TEMP_CONV
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for i in range(3):
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raw = (buf[i * 2 + 1] << 8) | buf[i * 2 + 2]
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data.slaves[slave].cell_temps[i + 5] = raw * TEMP_CONV
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elif frame_id == 6:
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for i in range(3):
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raw = (buf[i * 2 + 1] << 8) | buf[i * 2 + 2]
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data.slaves[slave].cell_temps[i + 8] = raw * TEMP_CONV
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elif frame_id == 7:
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for i in range(3):
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raw = (buf[i * 2 + 1] << 8) | buf[i * 2 + 2]
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data.slaves[slave].cell_temps[i + 11] = raw * TEMP_CONV
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elif frame_id == 8:
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for i in range(3):
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raw = (buf[i * 2 + 1] << 8) | buf[i * 2 + 2]
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data.slaves[slave].cell_temps[i + 14] = raw * TEMP_CONV
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else:
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print(f"Unknown frame ID: {frame_id} (buf: {repr(buf)})", file=sys.stderr)
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# time.sleep(1)
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@ -609,6 +673,11 @@ class Worker(QObject):
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data.panic_errorcode = buf[0]
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data.panic_errorarg = buf[1]
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def decode_status_frame(self, buf: bytes):
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state = buf[0] & 0x7F
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data.ts_state = TSState(state)
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data.panic = data.ts_state == TSState.TS_ERROR
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INTERNAL_RESISTANCE_CURVE_X = [2.0, 4.12]
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INTERNAL_RESISTANCE_CURVE_Y = [0.0528, 0.0294]
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SOC_OCV_X = [2.1, 2.9, 3.2, 3.3, 3.4, 3.5, 3.68, 4.0, 4.15, 4.2]
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@ -633,8 +702,8 @@ class Worker(QObject):
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temps = [-1]
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min_t = min(temps)
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max_t = max(temps)
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for i in range(16, 32):
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data.slaves[slave].cell_temps[i] = random.randint(min_t, max_t)
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# for i in range(16, 32):
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# data.slaves[slave].cell_temps[i] = random.randint(min_t, max_t)
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def stop(self):
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self.continue_run = False # set the run condition to false on stop
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