Standardise on GPIOn pin labels.

As of raspberrypi/linux@bd9542b
all downstream GPIO line names use the form GPIOn, and PIN_n is deprecated.

Simplify code and examples to reflect this.

Author: Gadgetoid

enviroplus/gas.py

@@ -11,11 +11,7 @@
 MICS6814_GAIN = 6.144
 
 OUTH = gpiod.LineSettings(direction=Direction.OUTPUT, output_value=Value.ACTIVE)
-PLATFORMS = {
-    "Radxa ROCK 5B": {"heater": ("PIN_18", OUTH)},
-    "Raspberry Pi 5": {"heater": ("PIN18", OUTH)},
-    "Raspberry Pi 4": {"heater": ("GPIO24", OUTH)}
-}
+
 
 ads1015.I2C_ADDRESS_DEFAULT = ads1015.I2C_ADDRESS_ALTERNATE
 _is_setup = False
@@ -68,7 +64,7 @@ def setup():
     else:
         adc.set_sample_rate(1600)
 
-    _heater = gpiodevice.get_pins_for_platform(PLATFORMS)[0]
+    _heater = gpiodevice.get_pin("GPIO24")
 
     atexit.register(cleanup)
 

examples/all-in-one-enviro-mini.py

@@ -37,8 +37,8 @@
 st7735 = st7735.ST7735(
     port=0,
     cs=1,
-    dc="PIN21",         # "GPIO9" on a Raspberry Pi 4
-    backlight="PIN32",  # "GPIO12" on a Raspberry Pi 4
+    dc="GPIO9",
+    backlight="GPIO12",
     rotation=270,
     spi_speed_hz=10000000
 )

examples/all-in-one-no-pm.py

@@ -38,8 +38,8 @@
 st7735 = st7735.ST7735(
     port=0,
     cs=1,
-    dc="PIN21",         # "GPIO9" on a Raspberry Pi 4
-    backlight="PIN32",  # "GPIO12" on a Raspberry Pi 4
+    dc="GPIO9",
+    backlight="GPIO12",
     rotation=270,
     spi_speed_hz=10000000
 )

examples/all-in-one.py

@@ -44,8 +44,8 @@
 st7735 = st7735.ST7735(
     port=0,
     cs=1,
-    dc="PIN21",         # "GPIO9" on a Raspberry Pi 4
-    backlight="PIN32",  # "GPIO12" on a Raspberry Pi 4
+    dc="GPIO9",
+    backlight="GPIO12",
     rotation=270,
     spi_speed_hz=10000000
 )

examples/combined.py

@@ -47,8 +47,8 @@
 st7735 = st7735.ST7735(
     port=0,
     cs=1,
-    dc="PIN21",         # "GPIO9" on a Raspberry Pi 4
-    backlight="PIN32",  # "GPIO12" on a Raspberry Pi 4
+    dc="GPIO9",
+    backlight="GPIO12",
     rotation=270,
     spi_speed_hz=10000000
 )

examples/lcd.py

@@ -21,8 +21,8 @@
 disp = st7735.ST7735(
     port=0,
     cs=1,
-    dc="PIN21",         # "GPIO9" on a Raspberry Pi 4
-    backlight="PIN32",  # "GPIO12" on a Raspberry Pi 4
+    dc="GPIO9",
+    backlight="GPIO12",
     rotation=270,
     spi_speed_hz=10000000
 )

examples/mqtt-all.py

@@ -234,8 +234,8 @@ def main():
     disp = st7735.ST7735(
         port=0,
         cs=1,
-        dc="PIN21",         # "GPIO9" on a Raspberry Pi 4
-        backlight="PIN32",  # "GPIO12" on a Raspberry Pi 4
+        dc="GPIO9",
+        backlight="GPIO12",
         rotation=270,
         spi_speed_hz=10000000
     )

examples/noise-amps-at-freqs.py

@@ -18,8 +18,8 @@
 disp = st7735.ST7735(
     port=0,
     cs=1,
-    dc="PIN21",         # "GPIO9" on a Raspberry Pi 4
-    backlight="PIN32",  # "GPIO12" on a Raspberry Pi 4
+    dc="GPIO9",
+    backlight="GPIO12",
     rotation=270,
     spi_speed_hz=10000000
 )

examples/noise-profile.py

@@ -16,8 +16,8 @@
 disp = st7735.ST7735(
     port=0,
     cs=1,
-    dc="PIN21",         # "GPIO9" on a Raspberry Pi 4
-    backlight="PIN32",  # "GPIO12" on a Raspberry Pi 4
+    dc="GPIO9",
+    backlight="GPIO12",
     rotation=270,
     spi_speed_hz=10000000
 )

examples/sensorcommunity.py

@@ -40,8 +40,8 @@
 disp = st7735.ST7735(
     port=0,
     cs=1,
-    dc="PIN21",         # "GPIO9" on a Raspberry Pi 4
-    backlight="PIN32",  # "GPIO12" on a Raspberry Pi 4
+    dc="GPIO9",
+    backlight="GPIO12",
     rotation=270,
     spi_speed_hz=10000000
 )