altos/stmf0: Add faster USB path

[fw/altos] / src / stmf0 / ao_arch_funcs.h

diff --git a/src/stmf0/ao_arch_funcs.h b/src/stmf0/ao_arch_funcs.h
index a5c6764b17b57b6151ffd8cee123364c34098257..3db96be238c1c63586fbe75916fbf60fe9f29d7b 100644 (file)
--- a/src/stmf0/ao_arch_funcs.h
+++ b/src/stmf0/ao_arch_funcs.h
@@ -384,4 +384,17 @@ static inline void ao_arch_start_scheduler(void) {
                ao_arch_irqrestore(__mask);             \
        } while (0)
 
+/* ao_usb_stm.c */
+
+#if AO_USB_DIRECTIO
+uint16_t *
+ao_usb_alloc(void);
+
+void
+ao_usb_free(uint16_t *buffer);
+
+void
+ao_usb_write(uint16_t *buffer, uint16_t len);
+#endif /* AO_USB_DIRECTIO */
+
 #endif /* _AO_ARCH_FUNCS_H_ */