rp2/CMakeLists.txt: Make board's pins.csv configurable.

Gadgetoid · dpgeorge · commit 1a060e87cd41 · 2025-06-19T10:47:50.000+10:00
Allow `mpconfigboard.cmake` to specify a custom `MICROPY_BOARD_PINS` to
override `${MICROPY_BOARD_DIR}/pins.csv`.

Signed-off-by: Phil Howard &lt;github@gadgetoid.com&gt;
diff --git a/ports/rp2/CMakeLists.txt b/ports/rp2/CMakeLists.txt
@@ -654,9 +654,13 @@ if(NOT PICO_NUM_EXT_GPIOS)
     set(PICO_NUM_EXT_GPIOS 10)
 endif()
 
-if(EXISTS "${MICROPY_BOARD_DIR}/pins.csv")
-    set(GEN_PINS_BOARD_CSV "${MICROPY_BOARD_DIR}/pins.csv")
-    set(GEN_PINS_CSV_ARG --board-csv "${GEN_PINS_BOARD_CSV}")
+if(NOT MICROPY_BOARD_PINS)
+    set(MICROPY_BOARD_PINS "${MICROPY_BOARD_DIR}/pins.csv")
+endif()
+
+if(EXISTS "${MICROPY_BOARD_PINS}")
+    set(GEN_PINS_BOARD_CSV "${MICROPY_BOARD_PINS}")
+    set(GEN_PINS_CSV_ARG --board-csv "${MICROPY_BOARD_PINS}")
 endif()
 
 target_sources(${MICROPY_TARGET} PRIVATE
