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Diffstat (limited to 'src/stm/ao_usb_stm.c')
-rw-r--r--src/stm/ao_usb_stm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/stm/ao_usb_stm.c b/src/stm/ao_usb_stm.c
index 4e9d1f14..d4dac887 100644
--- a/src/stm/ao_usb_stm.c
+++ b/src/stm/ao_usb_stm.c
@@ -950,6 +950,11 @@ ao_usb_getchar(void)
return c;
}
+#ifndef HAS_USB_DISABLE
+#define HAS_USB_DISABLE 1
+#endif
+
+#if HAS_USB_DISABLE
void
ao_usb_disable(void)
{
@@ -967,6 +972,7 @@ ao_usb_disable(void)
stm_rcc.apb1enr &= ~(1 << STM_RCC_APB1ENR_USBEN);
ao_arch_release_interrupts();
}
+#endif
void
ao_usb_enable(void)