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path: root/examples/stm32/f1/stm32-h107/usb_simple/usb_simple.c
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Diffstat (limited to 'examples/stm32/f1/stm32-h107/usb_simple/usb_simple.c')
-rw-r--r--examples/stm32/f1/stm32-h107/usb_simple/usb_simple.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/examples/stm32/f1/stm32-h107/usb_simple/usb_simple.c b/examples/stm32/f1/stm32-h107/usb_simple/usb_simple.c
index c488b1c..0b30a7e 100644
--- a/examples/stm32/f1/stm32-h107/usb_simple/usb_simple.c
+++ b/examples/stm32/f1/stm32-h107/usb_simple/usb_simple.c
@@ -99,6 +99,7 @@ int main(void)
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
+ rcc_peripheral_enable_clock(&RCC_AHBENR, RCC_AHBENR_OTGFSEN);
/* LED output */
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,