uint8_t
ao_74hc497_read(void)
{
- static __xdata state;
+ static state;
ao_spi_get_bit(AO_74HC497_CS_PORT, AO_74HC497_CS_PIN, AO_74HC497_CS, AO_74HC497_SPI_BUS, AO_SPI_SPEED_FAST);
ao_spi_recv(&state, 1, AO_74HC497_SPI_BUS);
ao_spi_put_bit(AO_74HC497_CS_PORT, AO_74HC497_CS_PIN, AO_74HC497_CS, AO_74HC497_SPI_BUS);