Add files for Pi SSD server

Add files for Pi SSD server

Author: djecken

Pi_SSD_Media_Server/display-info.py

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+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+import time
+import subprocess
+import board
+import terminalio
+import displayio
+from adafruit_display_text import label
+from adafruit_bitmap_font import bitmap_font
+from adafruit_st7789 import ST7789
+import gpiozero as gz
+
+BORDER_WIDTH = 4
+TEXT_SCALE = 1
+
+font = bitmap_font.load_font("/home/pi/fonts/Arial-18.bdf")
+font_small = bitmap_font.load_font("/home/pi/fonts/Arial-14.bdf")
+font_bold = bitmap_font.load_font("/home/pi/fonts/Arial-Bold-24.bdf")
+
+# Release any resources currently in use for the displays
+displayio.release_displays()
+
+spi = board.SPI()
+tft_cs = board.CE0
+tft_dc = board.D25
+tft_rst = board.D24
+
+display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=tft_rst)
+
+display = ST7789(display_bus, width=320, height=170, colstart=35, rotation=270)
+
+# Make the display context
+splash = displayio.Group()
+display.show(splash)
+
+color_bitmap = displayio.Bitmap(display.width, display.height, 1)
+color_palette = displayio.Palette(1)
+color_palette[0] = 0xAA0088  # Purple
+bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
+splash.append(bg_sprite)
+
+# Draw a smaller inner rectangle
+inner_bitmap = displayio.Bitmap(
+    display.width - (BORDER_WIDTH * 2), display.height - (BORDER_WIDTH * 2), 1
+)
+inner_palette = displayio.Palette(1)
+inner_palette[0] = 0x222222  # Dark Gray
+inner_sprite = displayio.TileGrid(
+    inner_bitmap, pixel_shader=inner_palette, x=BORDER_WIDTH, y=BORDER_WIDTH
+)
+splash.append(inner_sprite)
+
+# display ip, cpu and memory usage
+cmd = "hostname -I | cut -d' ' -f1"
+IP = subprocess.check_output(cmd, shell=True).decode("utf-8")
+cmd = 'cut -f 1 -d " " /proc/loadavg'
+CPU = subprocess.check_output(cmd, shell=True).decode("utf-8")
+cmd = "free -m | awk 'NR==2{printf \"Mem: %s/%s MB  %.2f%%\", $3,$2,$3*100/$2 }'"
+MemUsage = subprocess.check_output(cmd, shell=True).decode("utf-8")
+cmd =  "vcgencmd measure_temp | grep -o -E '[[:digit:]].*'"
+cpu_temp = subprocess.check_output(cmd, shell=True).decode("utf-8")
+
+# Draw a label
+text_ip = label.Label(
+    font_bold,
+    text="IP: " + IP,
+    color=0x1BF702,
+    scale=TEXT_SCALE,
+)
+text_cpu = label.Label(
+    font,
+    text="CPU: " + cpu_temp,
+    color=0xFFFFFF,
+    scale=TEXT_SCALE,
+)
+text_mem = label.Label(
+    font_small,
+    text=MemUsage,
+    color=0xCCCCCC,
+    scale=TEXT_SCALE,
+)
+text_ip.x = 12
+text_cpu.x = 12
+text_mem.x = 12
+
+text_ip.y = 30
+text_cpu.y = 70
+text_mem.y = 150
+
+splash.append(text_ip)
+splash.append(text_cpu)
+splash.append(text_mem)
+
+while True:
+    text_ip.text = "IP: " + IP
+    text_cpu.text = "CPU:" + cpu_temp
+    text_mem.text = MemUsage
+    display.refresh()