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-rw-r--r--ports/rp2/Makefile5
-rw-r--r--ports/rp2/README.md1
2 files changed, 6 insertions, 0 deletions
diff --git a/ports/rp2/Makefile b/ports/rp2/Makefile
index 246f29dd0..2af13bfbb 100644
--- a/ports/rp2/Makefile
+++ b/ports/rp2/Makefile
@@ -20,3 +20,8 @@ all:
clean:
$(RM) -rf $(BUILD)
+
+GIT_SUBMODULES += lib/pico-sdk lib/tinyusb
+
+submodules:
+ $(MAKE) -f ../../py/mkrules.mk GIT_SUBMODULES="$(GIT_SUBMODULES)" submodules
diff --git a/ports/rp2/README.md b/ports/rp2/README.md
index d49550c5c..5836ac0cd 100644
--- a/ports/rp2/README.md
+++ b/ports/rp2/README.md
@@ -29,6 +29,7 @@ Building of the RP2 firmware is done entirely using CMake, although a simple
Makefile is also provided as a convenience. To build the firmware run (from
this directory):
+ $ make submodules
$ make clean
$ make