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-rw-r--r--src/product/ao_flash_pins.h1
-rw-r--r--src/stm/ao_usb_stm.c6
2 files changed, 7 insertions, 0 deletions
diff --git a/src/product/ao_flash_pins.h b/src/product/ao_flash_pins.h
index ff8d3273..019b5425 100644
--- a/src/product/ao_flash_pins.h
+++ b/src/product/ao_flash_pins.h
@@ -25,6 +25,7 @@
#define HAS_USB 1
#define USE_USB_STDIO 0
+#define HAS_USB_DISABLE 0
#define HAS_BEEP 0
#define HAS_TASK 0
#define HAS_ECHO 0
diff --git a/src/stm/ao_usb_stm.c b/src/stm/ao_usb_stm.c
index e436d264..b06814d2 100644
--- a/src/stm/ao_usb_stm.c
+++ b/src/stm/ao_usb_stm.c
@@ -970,6 +970,11 @@ 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)
{
@@ -987,6 +992,7 @@ ao_usb_disable(void)
stm_rcc.apb1enr &= ~(1 << STM_RCC_APB1ENR_USBEN);
ao_arch_release_interrupts();
}
+#endif
void
ao_usb_enable(void)