jeremy/FW_LED_System_Monitor
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Finished CPU, Mem, and Batt mon

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= 2024-08-01 16:15:36 -04:00
parent 383cb15866
commit 80fd16cbc6
3 changed files with 128 additions and 23 deletions
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77
drawing.py
View File

@ -1,3 +1,6 @@
import time
import math
import numpy as np
import serial
@ -59,6 +62,23 @@ lookup_table = np.array(
]
]
)
lightning_bolt = np.array( [[0,0,0,0,0,0,0], # 0
[0,0,0,0,0,1,0], # 1
[0,0,0,0,1,1,0], # 2
[0,0,0,1,1,0,0], # 3
[0,0,1,1,1,0,0], # 4
[0,1,1,1,0,0,0], # 5
[0,1,1,1,1,1,0], # 6
[0,0,0,1,1,1,0], # 7
[0,0,1,1,1,0,0], # 8
[0,0,1,1,0,0,0], # 9
[0,1,1,0,0,0,0], #10
[0,1,0,0,0,0,0], #11
[0,0,0,0,0,0,0]],#12
dtype=bool).T
# Correct table orientation for visual orientation when drawn
for i in range(lookup_table.shape[0]):
lookup_table[i] = lookup_table[i].T
@ -67,24 +87,58 @@ for i in range(lookup_table.shape[0]):
def spiral_index(fill_ratio):
return int(round(fill_ratio * 9.999999 - 0.5))
def make_cpu_grid(cpu_values, border_value, fill_value):
grid = np.zeros((9,34), dtype = int)
# Takes up 15 rows, 7 columns, starting at 1,1
def draw_cpu(grid, cpu_values, fill_value):
for i, v in enumerate(cpu_values):
column_number = i % 2
row_number = i // 2
fill_grid = lookup_table[spiral_index(v)]
grid[1+column_number*4:4+column_number*4, 1+row_number*4:4+row_number*4] = fill_grid * fill_value
# Takes up 2 rows, 7 columns, starting at 17,1
def draw_memory(grid, memory_ratio, fill_value):
lit_pixels = 7 * 2 * memory_ratio
pixels_bottom = int(round(lit_pixels / 2))
pixels_top = int(round((lit_pixels - 0.49) / 2))
grid[1:1+pixels_top,17] = fill_value
grid[1:1+pixels_bottom,18] = fill_value
# Takes up 13 rows, 7 columns, starting at 21,1
def draw_battery(grid, battery_ratio, battery_plugged, fill_value, battery_low_thresh = 0.07, battery_low_flash_time = 2, charging_pulse_time = 3):
lit_pixels = int(round(13 * 7 * battery_ratio))
pixels_base = lit_pixels // 7
remainder = lit_pixels % 7
if battery_ratio <= battery_low_thresh and not battery_plugged:
if time.time() % battery_low_flash_time * 2 < battery_low_flash_time: # This will flash the battery indicator if too low
return
for i in range(7):
pixels_col = pixels_base
if i <= remainder:
pixels_col += 1
grid[i+1,33-pixels_col:33] = fill_value
if battery_plugged:
pulse_amount = math.sin(time.time() / charging_pulse_time)
grid[1:8,20:33][lightning_bolt] -= np.rint(fill_value + 10 * pulse_amount).astype(int)
indices = grid[1:8,20:33] < 0
grid[1:8,20:33][indices] = -grid[1:8,20:33][indices]
def draw_borders(grid, border_value):
# Fill in the borders
grid[0, :16] = border_value
# Cpu vertical partitions
grid[4, :16] = border_value
grid[8, :16] = border_value
grid[:, 0] = border_value
# Cpu horizontal partitions
grid[:, 4] = border_value
grid[:, 8] = border_value
grid[:, 12] = border_value
grid[:, 16] = border_value
return grid
# Memory bottom partition
grid[:, 19] = border_value
# Outer Edge borders
grid[:, 0] = border_value # Top
grid[0, :] = border_value # Left
grid[8, :] = border_value # Right
grid[:, 33] = border_value # Bottom
def draw_to_LEDs(s, grid):
for i in range(grid.shape[0]):
@ -95,7 +149,14 @@ def draw_to_LEDs(s, grid):
if __name__ == "__main__":
# LED array is 34x9, and is indexed left to right top to bottom
grid = make_cpu_grid([0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8], 10, 30)
port = "COM3"
with serial.Serial(port, 115200) as s:
draw_to_LEDs(s, grid)
while True:
grid = np.zeros((9,34), dtype = int)
draw_cpu(grid, [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8], 30)
draw_memory(grid, 0.3, 30)
draw_battery(grid, 0.75, True, 30)
draw_borders(grid, 10)
print(grid.T)
draw_to_LEDs(s, grid)
time.sleep(0.05)

43
led_system_monitor.py
View File

@ -6,8 +6,8 @@ import queue
# Internal Dependencies
from commands import Commands, send_command
from drawing import make_cpu_grid, draw_to_LEDs
from monitors import CPUMonitorThread
from drawing import draw_cpu, draw_memory, draw_battery, draw_borders, draw_to_LEDs
from monitors import CPUMonitorThread, MemoryMonitorThread, BatteryMonitorThread
# External Dependencies
try:
@ -62,21 +62,42 @@ if __name__ == "__main__":
cpu_monitor = CPUMonitorThread(cpu_queue)
cpu_monitor.start()
memory_queue = queue.Queue(2)
memory_monitor = MemoryMonitorThread(memory_queue)
memory_monitor.start()
battery_queue = queue.Queue(2)
battery_monitor = BatteryMonitorThread(battery_queue)
battery_monitor.start()
s = serial.Serial(port, 115200)
min_background_brightness = 10
max_background_brightness = 30
min_background_brightness = 8
max_background_brightness = 20
min_foreground_brightness = 30
max_foreground_brightness = 120
max_foreground_brightness = 110
last_cpu_values = cpu_queue.get()
last_memory_values = memory_queue.get()
last_battery_values = battery_queue.get()
while True:
if not cpu_queue.empty():
cpu_values = cpu_queue.get()
screen_brightness = sbc.get_brightness()[0]
background_value = int(screen_brightness / 100 * (max_background_brightness - min_background_brightness) + min_background_brightness)
foreground_value = int(screen_brightness / 100 * (max_foreground_brightness - min_foreground_brightness) + min_foreground_brightness)
grid = make_cpu_grid(cpu_values, background_value, foreground_value)
draw_to_LEDs(s, grid)
last_cpu_values = cpu_queue.get()
if not memory_queue.empty():
last_memory_values = memory_queue.get()
if not battery_queue.empty():
last_battery_values = battery_queue.get()
screen_brightness = sbc.get_brightness()[0]
background_value = int(screen_brightness / 100 * (max_background_brightness - min_background_brightness) + min_background_brightness)
foreground_value = int(screen_brightness / 100 * (max_foreground_brightness - min_foreground_brightness) + min_foreground_brightness)
grid = np.zeros((9,34), dtype = int)
draw_cpu(grid, last_cpu_values, foreground_value)
draw_memory(grid, last_memory_values, foreground_value)
draw_battery(grid, last_battery_values[0], last_battery_values[1], foreground_value)
draw_borders(grid, background_value)
draw_to_LEDs(s, grid)
time.sleep(0.05)

31
monitors.py
View File

@ -141,38 +141,61 @@ class MemoryMonitorThread(threading.Thread):
self.output_queue.put(avg_memory_usage)
time.sleep(self.update_interval)
class BatteryMonitorThread(threading.Thread):
def __init__(self, output_queue, update_interval = 1):
super().__init__()
self.daemon = True
self.update_interval = update_interval
self.output_queue = output_queue
def run(self):
while True:
if not self.output_queue.full():
battery = psutil.sensors_battery()
if battery is not None:
battery_percentage = battery.percent / 100.0
battery_plugged = battery.power_plugged
self.output_queue.put((battery_percentage, battery_plugged))
time.sleep(self.update_interval)
if __name__ == "__main__":
disk_queue = queue.Queue()
network_queue = queue.Queue()
cpu_queue = queue.Queue()
memory_queue = queue.Queue()
battery_queue = queue.Queue()
disk_monitor = DiskMonitorThread(disk_queue)
network_monitor = NetworkMonitorThread(network_queue)
cpu_monitor = CPUMonitorThread(cpu_queue)
memory_monitor = MemoryMonitorThread(memory_queue)
battery_monitor = BatteryMonitorThread(battery_queue)
disk_monitor.start()
network_monitor.start()
cpu_monitor.start()
memory_monitor.start()
battery_monitor.start()
while True:
if not disk_queue.empty():
read_percent, write_percent = disk_queue.get()
print(f"Disk Usage: Read {read_percent:.2%}, Write {write_percent:.2%}")
print(f"Disk: Read {read_percent:.2%}, Write {write_percent:.2%}")
if not network_queue.empty():
sent_percent, recv_percent = network_queue.get()
print(f"Network Usage: Sent {sent_percent:.2%}, Received {recv_percent:.2%}")
print(f"Network: Sent {sent_percent:.2%}, Received {recv_percent:.2%}")
if not cpu_queue.empty():
cpu_percentages = cpu_queue.get()
print(f"CPU Usage: {cpu_percentages}")
print(f"CPU: {cpu_percentages}")
if not memory_queue.empty():
memory_usage = memory_queue.get()
print(f"Memory Usage: {memory_usage:.2%}")
print(f"Memory: {memory_usage:.2%}")
if not battery_queue.empty():
battery_percentage, battery_plugged = battery_queue.get()
print(f"Battery: {battery_percentage:.2%}, Plugged: {battery_plugged}")
time.sleep(0.5)