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-rw-r--r--examples/rules.mk2
-rw-r--r--hw/bsp/samd21/boards/curiosity_nano/board.mk1
2 files changed, 2 insertions, 1 deletions
diff --git a/examples/rules.mk b/examples/rules.mk
index 4bad747da..4af2f2be4 100644
--- a/examples/rules.mk
+++ b/examples/rules.mk
@@ -170,7 +170,7 @@ flash-stlink: $(BUILD)/$(PROJECT).elf
# flash with pyocd
flash-pyocd: $(BUILD)/$(PROJECT).hex
- pyocd flash -t $(PYOCD_TARGET) -O dap_protocol=swd $<
+ pyocd flash -t $(PYOCD_TARGET) $(PYOCD_OPTION) $<
pyocd reset -t $(PYOCD_TARGET)
# flash with Black Magic Probe
diff --git a/hw/bsp/samd21/boards/curiosity_nano/board.mk b/hw/bsp/samd21/boards/curiosity_nano/board.mk
index 05257e88c..767788b86 100644
--- a/hw/bsp/samd21/boards/curiosity_nano/board.mk
+++ b/hw/bsp/samd21/boards/curiosity_nano/board.mk
@@ -10,4 +10,5 @@ JLINK_DEVICE = atsamd21g17a
#flash: flash-jlink
PYOCD_TARGET = atsamd21g17a
+PYOCD_OPTION = -O dap_protocol=swd
flash: flash-pyocd