* Using SPI on USART 0, with P1_2 as the chip select
*/
+#define EE_CS_PORT P1
#define EE_CS P1_2
-#define EE_CS_INDEX 2
+#define EE_CS_PIN 2
static __xdata uint8_t ao_ee_mutex;
_asm nop _endasm; \
} while(0)
-#define ao_ee_cs_low() ao_spi_get_bit(EE_CS, AO_EE_SPI_BUS)
+#define ao_ee_cs_low() ao_spi_get_bit(EE_CS_PORT, EE_CS_PIN, EE_CS, AO_EE_SPI_BUS, AO_SPI_SPEED_FAST)
-#define ao_ee_cs_high() ao_spi_put_bit(EE_CS, AO_EE_SPI_BUS)
+#define ao_ee_cs_high() ao_spi_put_bit(EE_CS_PORT, EE_CS_PIN, EE_CS, AO_EE_SPI_BUS)
struct ao_ee_instruction {
uint8_t instruction;
ao_storage_device_init(void)
{
/* set up CS */
- EE_CS = 1;
- P1DIR |= (1 << EE_CS_INDEX);
- P1SEL &= ~(1 << EE_CS_INDEX);
+ ao_enable_output(EE_CS_PORT, EE_CS_PIN, EE_CS, 1);
}