void
ao_spi_duplex(const void *out, void *in, uint16_t len, uint8_t spi_index);
-extern uint16_t ao_spi_speed[LPC_NUM_SPI];
-
void
ao_spi_init(void);
asm("isb");
}
+void *
+ao_usb_alloc(uint16_t len);
+
+void
+ao_usb_write(void *block, int len);
+
#endif /* _AO_ARCH_FUNCS_H_ */