stuf

.vscode/settings.json

@@ -0,0 +1,14 @@
+{
+    "python.languageServer": "Pylance",
+    "python.linting.pylintEnabled": false,
+    "python.analysis.diagnosticSeverityOverrides": {
+        "reportMissingModuleSource": "none"
+        "reportShadowedImports": "none"
+    },
+    "python.analysis.extraPaths": [
+        "",
+        "/Users/ure/.vscode/extensions/joedevivo.vscode-circuitpython-0.1.19-darwin-arm64/stubs",
+        "/Users/ure/Library/Application Support/Code/User/globalStorage/joedevivo.vscode-circuitpython/bundle/20221227/adafruit-circuitpython-bundle-py-20221227/lib"
+    ],
+    "circuitpython.board.version": null
+}

OLED.py

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+import board
+import busio
+import displayio
+import terminalio
+import adafruit_displayio_ssd1306
+from adafruit_display_text import label
+from adafruit_display_shapes.rect import Rect
+import time
+
+displayio.release_displays()
+
+# Create the I2C interface.
+i2c = busio.I2C(scl=board.GP21, sda=board.GP20)
+
+if i2c.try_lock():
+    print("Starting I2C scan.")
+    devices = i2c.scan()
+    i2c.unlock()
+
+    print("Found %d I2C device(s)." % (len(devices)))
+    for dev in devices:
+        print("  I2C address:  %d (0x%x)" % (dev, dev))
+
+else:
+    print("Unable to lock I2C interface.")
+
+display_bus = displayio.I2CDisplay(i2c, device_address=0x3c)
+
+display = adafruit_displayio_ssd1306.SSD1306(display_bus, width=128, height=64)
+
+# Make the display context
+splash = displayio.Group()
+display.show(splash)#
+
+def printTitle(msg):
+    global splash
+
+    msg='{message: <6}'.format(message=msg)
+    # Draw a label
+    text_area = label.Label(terminalio.FONT, text=msg, color=0xFFFFFF, x=0, y=8, scale=2)
+    splash.append(text_area)
+    time.sleep(0.1)
+    splash.remove(text_area)
+
+def printPWR(msg):
+    global splash
+
+    # Draw a label
+    text_area = label.Label(terminalio.FONT, text=msg, color=0xFFFFFF, x=10, y=40, scale=2)
+    splash.append(text_area)
+    time.sleep(0.1)
+    splash.remove(text_area)
+
+

SmartSWR.py

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+import board
+import math
+import time
+import analogio
+import OLED
+
+rf1Level = analogio.AnalogIn(board.GP26)
+rf2Level = analogio.AnalogIn(board.GP27)
+
+def rf1_voltage():
+    return (rf1Level.value / 65535 * rf1Level.reference_voltage)
+
+def rf2_voltage():
+    return (rf2Level.value / 65535 * rf2Level.reference_voltage)
+
+def rf1_ppower():
+    while True:
+        result = 0
+        for x in range(10000):
+            voltage = rf1_voltage()
+            if voltage > result:
+                result = voltage
+
+        if result > 0.04:
+            voltage = rf1_voltage()
+            if voltage > result:
+                result = voltage
+            output = round(result * 3.1,4)
+            if output < 1:
+                output = output*1000
+                OLED.printPWR('A {message: <13}'.format(message=str(round(output,2))+" mW"))
+            else:
+                OLED.printPWR('A {message: <13}'.format(message=str(round(output,2))+" W"))
+        else:
+            return False
+
+
+def rf1_apower():
+    counter = 0
+    sum = 0
+    while True:
+        result = 0
+        for x in range(10000):
+            voltage = rf1_voltage()
+            if voltage > result:
+                result = voltage
+
+        if result > 0.04:
+            voltage = rf1_voltage()
+            sum = voltage + sum
+            counter = counter + 1
+            output = round((sum/counter) * 3.1,4)
+            if output < 1:
+                output = output*1000
+                OLED.printPWR('A {message: <13}'.format(message=str(round(output,2))+" mW"))
+            else:
+                OLED.printPWR('A {message: <13}'.format(message=str(round(output,2))+" W"))
+        else:
+            return False

TODO

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+Button toggles mode
+Boot with button -> loads config + disk

code.py

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+import OLED
+import time
+import SmartSWR
+
+mode='peak'
+
+if mode == 'peak':
+    OLED.printTitle("PEAK Pwr")
+if mode == 'average':
+    OLED.printTitle("AVG Pwr")
+
+while True:
+    OLED.printPWR('Waiting...')
+    print(SmartSWR.rf1_voltage())
+    print(SmartSWR.rf2_voltage())
+#    if mode == 'peak':
+#        SmartPWR.rf1_ppower()
+#    if mode == 'average':
+#        SmartPWR.rf1_apower()