* Atmega32u4 USART in MSPIM (master SPI mode)
*/
-__xdata uint8_t ao_spi_mutex;
+uint8_t ao_spi_mutex;
/* Send bytes over SPI.
*
* so using interrupts would take way too long
*/
void
-ao_spi_send_bus(void __xdata *block, uint16_t len) __reentrant
+ao_spi_send_bus(void *block, uint16_t len)
{
uint8_t *d = block;
* Poll, sending zeros and reading data back
*/
void
-ao_spi_recv_bus(void __xdata *block, uint16_t len) __reentrant
+ao_spi_recv_bus(void *block, uint16_t len)
{
uint8_t *d = block;