gui and extra thread worker implemented
This commit is contained in:
f.geissler
parent
a4733d3578
commit
b3bbcf730b
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@ -1,179 +0,0 @@
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#!/usr/bin/env python3
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import os
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import struct
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import time
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import serial
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import sys
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BITRATE = 115200 # baud/s
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TIMEOUT = 1 # seconds
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N_SLAVES = 6
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LOG_FRAME_LENGTH = 8 # bytes
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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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class SlaveData:
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cell_voltages: list[float]
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cell_temps: list[float]
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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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class AccumulatorData:
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slaves: list[SlaveData]
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min_voltage: float
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max_voltage: float
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min_temp: float
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max_temp: float
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last_frame: float
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current: float
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panic: bool
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panic_errorcode: int
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panic_errorarg: int
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def __init__(self) -> None:
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self.slaves = [SlaveData() for _ in range(N_SLAVES)]
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self.min_voltage = (
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self.max_voltage
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) = self.min_temp = self.max_temp = self.last_frame = self.current = 0
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self.panic = False
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self.panic_errorcode = self.panic_errorarg = 0
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def check_log_start(buf: bytes):
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return buf[:-12].find(b"LOG")
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def check_current_start(buf: bytes):
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return buf[:-12].find(b"CUR")
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def check_panic_start(buf: bytes):
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return buf[:-12].find(b"PAN")
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def decode_log_frame(buf: bytes):
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msg_id = buf[0]
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slave = msg_id >> 4
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frame_id = msg_id & 0x0F
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if slave >= N_SLAVES:
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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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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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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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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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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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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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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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return
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data.last_frame = time.time()
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def decode_current_frame(buf: bytes):
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# current = (buf[2] << 24) | (buf[3] << 16) | (buf[4] << 8) | (buf[5])
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current = struct.unpack(">i", buf[2:6])[0]
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data.current = current / 1000.0
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def decode_panic_frame(buf: bytes):
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data.panic = True
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data.panic_errorcode = buf[0]
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data.panic_errorarg = buf[1]
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def update_display():
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voltages = [
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slave.cell_voltages[i] for i in range(CELLS_PER_SLAVE) for slave in data.slaves
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]
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temps = [
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slave.cell_temps[i]
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for i in range(TEMP_SENSORS_PER_SLAVE)
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for slave in data.slaves
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]
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data.min_voltage = min(voltages)
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data.max_voltage = max(voltages)
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data.min_temp = min(temps)
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data.max_temp = max(temps)
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time_since_last_frame = time.time() - data.last_frame
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print("\033[2J\033[H", end="")
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print("-" * 20)
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if data.panic:
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print("!!!!! PANIC !!!!!")
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print(f"Error code: {data.panic_errorcode}")
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print(f"Error arg: {data.panic_errorarg}")
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time.sleep(0.5)
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return
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print(f"Time since last frame: {time_since_last_frame} s")
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print(f"Current: {data.current:.2f} A")
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print(f"Min voltage: {data.min_voltage:.2f} V")
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print(f"Max voltage: {data.max_voltage:.2f} V")
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print(f"Min temp: {data.min_temp:.1f} °C")
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print(f"Max temp: {data.max_temp:.1f} °C")
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for i in range(N_SLAVES):
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min_v = min(data.slaves[i].cell_voltages)
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max_v = max(data.slaves[i].cell_voltages)
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min_t = min(data.slaves[i].cell_temps)
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max_t = max(data.slaves[i].cell_temps)
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print(
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f"Stack {i}: V ∈ [{min_v:.2f}, {max_v:.2f}]\tT ∈ [{min_t:.1f}, {max_t:.1f}]"
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)
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if len(sys.argv) != 2:
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print(f"Usage: {sys.argv[0]} SERIAL-PORT", file=sys.stderr)
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sys.exit(os.EX_USAGE)
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SERIAL_PORT = sys.argv[1]
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ser = serial.Serial(SERIAL_PORT, BITRATE, timeout=TIMEOUT)
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rx_buf = bytes()
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data = AccumulatorData()
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while True:
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rx_data = ser.read(32)
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if len(rx_data) > 0:
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rx_buf = rx_data
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if (start := check_log_start(rx_buf)) != -1:
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decode_log_frame(rx_buf[start + 3 : start + 11])
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rx_buf = b""
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elif (start := check_current_start(rx_buf)) != -1:
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decode_current_frame(rx_buf[start + 3 : start + 11])
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rx_buf = b""
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elif (start := check_panic_start(rx_buf)) != -1:
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decode_panic_frame(rx_buf[start + 3 : start + 11])
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rx_buf = b""
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"""
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if Button Charge is Pressed
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print(f"KBHIT: {c}", file=sys.stderr)
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print(ser.write(b"C"), file=sys.stderr)
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"""
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update_display()
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278
test.py
278
test.py
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@ -8,8 +8,9 @@ import random
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# import serial
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import sys
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from tkinter.tix import CELL
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from PyQt5.QtCore import Qt, QTimer
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from PyQt5.QtCore import Qt, QTimer, QThread, QObject, pyqtSignal
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from PyQt5.QtWidgets import (
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QApplication,
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QWidget,
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@ -17,9 +18,7 @@ from PyQt5.QtWidgets import (
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QVBoxLayout,
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QHBoxLayout,
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QGridLayout,
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QSlider,
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QLabel,
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QRadioButton,
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QGroupBox,
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)
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@ -51,6 +50,7 @@ class AccumulatorData:
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min_temp: float
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max_temp: float
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last_frame: float
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time_since_last_frame: float
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current: float
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panic: bool
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panic_errorcode: int
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@ -63,6 +63,31 @@ class AccumulatorData:
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) = self.min_temp = self.max_temp = self.last_frame = self.current = 0
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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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def fill_dummy_data(self):
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self.min_voltage = random.uniform(1, 3)
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self.max_voltage = random.uniform(3, 5)
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self.min_temp = random.uniform(0, 25)
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self.max_temp = random.uniform(25, 60)
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self.current = random.uniform(25, 60)
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self.last_frame = time.time() - random.random()
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self.panic = random.choice([True, False])
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if self.panic:
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self.panic_errorcode = random.randint(1, 10000)
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self.panic_errorarg = "ABCDERFG"
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else:
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self.panic_errorcode = 0
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self.panic_errorarg = ""
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data.time_since_last_frame = random.uniform(1, 60)
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for i in range(N_SLAVES):
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self.slaves[i].cell_voltages = [
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random.uniform(1, 5) for i in range(CELLS_PER_SLAVE)
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]
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self.slaves[i].cell_temps = [
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random.uniform(25, 60) for i in range(CELLS_PER_SLAVE)
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]
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class StackGuiElement:
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@ -119,63 +144,12 @@ class StackGuiElement:
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self.max_temp_label.setNum(max(slave.cell_temps))
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def fill_dummy_data():
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data.min_voltage = random.uniform(1, 3)
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data.max_voltage = random.uniform(3, 5)
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data.min_temp = random.uniform(0, 25)
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data.max_temp = random.uniform(25, 60)
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data.current = random.uniform(25, 60)
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data.last_frame = time.time() - random.random()
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data.panic = random.choice([True, False])
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if data.panic:
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data.panic_errorcode = random.randint(1, 10000)
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data.panic_errorarg = "ABCDERFG"
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else:
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data.panic_errorcode = 0
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data.panic_errorarg = ""
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def update_display():
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voltages = [
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slave.cell_voltages[i] for i in range(CELLS_PER_SLAVE) for slave in data.slaves
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]
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temps = [
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slave.cell_temps[i]
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for i in range(TEMP_SENSORS_PER_SLAVE)
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for slave in data.slaves
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]
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data.min_voltage = min(voltages)
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data.max_voltage = max(voltages)
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data.min_temp = min(temps)
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data.max_temp = max(temps)
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time_since_last_frame = time.time() - data.last_frame
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print("\033[2J\033[H", end="")
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print("-" * 20)
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if data.panic:
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print("!!!!! PANIC !!!!!")
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print(f"Error code: {data.panic_errorcode}")
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print(f"Error arg: {data.panic_errorarg}")
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time.sleep(0.5)
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return
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print(f"Time since last frame: {time_since_last_frame} s")
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print(f"Current: {data.current:.2f} A")
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print(f"Min voltage: {data.min_voltage:.2f} V")
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print(f"Max voltage: {data.max_voltage:.2f} V")
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print(f"Min temp: {data.min_temp:.1f} °C")
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print(f"Max temp: {data.max_temp:.1f} °C")
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for i in range(N_SLAVES):
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min_v = min(data.slaves[i].cell_voltages)
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max_v = max(data.slaves[i].cell_voltages)
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min_t = min(data.slaves[i].cell_temps)
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max_t = max(data.slaves[i].cell_temps)
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print(
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f"Stack {i}: V ∈ [{min_v:.2f}, {max_v:.2f}]\tT ∈ [{min_t:.1f}, {max_t:.1f}]"
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)
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class Window(QWidget):
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stop_signal = (
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pyqtSignal()
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) # make a stop signal to communicate with the worker in another thread
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def __init__(self, parent=None):
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super(Window, self).__init__(parent)
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@ -223,6 +197,12 @@ class Window(QWidget):
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self.l_errorarg.setText(str(data.panic_errorarg))
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self.l_errorcode.setAlignment(Qt.AlignLeft)
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self.l7 = QLabel("Time Since Last Dataframe")
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self.l_time_since_last_frame = QLabel()
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self.l_time_since_last_frame.setText(str(data.time_since_last_frame))
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self.l_time_since_last_frame.setAlignment(Qt.AlignLeft)
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### LAYOUT ACCUMULATOR GENERAL ###
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grid_accumulator = QGridLayout()
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grid_accumulator.addWidget(self.l1, 0, 0)
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grid_accumulator.addWidget(self.l2, 1, 0)
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@ -230,6 +210,7 @@ class Window(QWidget):
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grid_accumulator.addWidget(self.l4, 1, 2)
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grid_accumulator.addWidget(self.l5, 2, 0)
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grid_accumulator.addWidget(self.l6, 3, 0)
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grid_accumulator.addWidget(self.l7, 4, 0)
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grid_accumulator.addWidget(self.l_min_voltage, 0, 1)
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grid_accumulator.addWidget(self.l_max_voltage, 1, 1)
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@ -239,6 +220,7 @@ class Window(QWidget):
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grid_accumulator.addWidget(self.l_error, 3, 1)
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grid_accumulator.addWidget(self.l_errorcode, 3, 2)
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grid_accumulator.addWidget(self.l_errorarg, 3, 3)
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grid_accumulator.addWidget(self.l_time_since_last_frame, 4, 1)
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groupBox_accumulator = QGroupBox("Accumulator General")
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groupBox_accumulator.setLayout(grid_accumulator)
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@ -246,14 +228,13 @@ class Window(QWidget):
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win.addWidget(groupBox_accumulator)
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### STACKS ###
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self.stack_gui_elements = []
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for i in range(N_SLAVES):
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sge = StackGuiElement(f"Stack {i}")
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sge.update_data_from_slave(data.slaves[i])
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self.stack_gui_elements.append(sge)
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### Layout Stacks ###
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### LAYOUT STACKS ###
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n_slaves_half = N_SLAVES // 2
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grid_stacks = QGridLayout()
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for i, sge in enumerate(self.stack_gui_elements):
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@ -266,9 +247,68 @@ class Window(QWidget):
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win.addWidget(groupBox_stacks)
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### BUTTONS ###
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self.btn_start = QPushButton("Start Serial")
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self.btn_start.resize(self.btn_start.sizeHint())
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self.btn_start.move(50, 50)
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self.btn_stop = QPushButton("Stop Serial")
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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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### 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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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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# Start Button action
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self.btn_start.clicked.connect(self.start_thread)
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# Stop Button action
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self.btn_stop.clicked.connect(self.stop_thread)
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# Charge Button action
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self.btn_charge.clicked.connect(self.start_charge)
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self.setLayout(win)
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self.setWindowTitle("FT22 Charger Display")
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# When start_btn is clicked this runs. Creates the worker and the thread.
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def start_thread(self):
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self.thread = QThread()
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self.worker = Worker()
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self.stop_signal.connect(
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self.worker.stop
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) # connect stop signal to worker stop method
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self.worker.moveToThread(self.thread)
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self.worker.finished.connect(
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self.thread.quit
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) # connect the workers finished signal to stop thread
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self.worker.finished.connect(
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self.worker.deleteLater
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) # connect the workers finished signal to clean up worker
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self.thread.finished.connect(
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self.thread.deleteLater
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) # connect threads finished signal to clean up thread
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self.thread.started.connect(self.worker.do_work)
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self.thread.finished.connect(self.worker.stop)
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self.thread.start()
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# When stop_btn is clicked this runs. Terminates the worker and the thread.
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def stop_thread(self):
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self.stop_signal.emit() # emit the finished signal on stop
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def start_charge(self):
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ser.write(b"C")
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def update(self):
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# Accumulator
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self.l_min_voltage.setNum(data.min_voltage)
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@ -279,21 +319,133 @@ class Window(QWidget):
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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(data.time_since_last_frame))
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# Cells
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# Stacks
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for i, sge in enumerate(self.stack_gui_elements):
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sge.update_data_from_slave(data.slaves[i])
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class Worker(QObject):
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finished = pyqtSignal() # give worker class a finished signal
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def __init__(self, parent=None):
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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]
|
||||
# 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.timeout.connect(fill_dummy_data)
|
||||
timer.start(1000) # every 1,000 milliseconds
|
||||
|
||||
# update_display()
|
||||
|
|
|
|||
Loading…
Reference in New Issue