/* Don't try the SPI bus during initialization */
if (!ao_cur_task)
return;
- ao_spi_get_bit(AO_PCA9922_CS_PORT, AO_PCA9922_CS_PIN, AO_PCA9922_CS, AO_PCA9922_SPI_BUS, AO_SPI_SPEED_FAST);
+ ao_mutex_get(&ao_spi_mutex);
+ ao_spi_set_speed(AO_SPI_SPEED_FAST);
+ AO_PCA9922_CS = 1;
ao_spi_send(&ao_led_state, 1, AO_PCA9922_SPI_BUS);
- ao_spi_put_bit(AO_PCA9922_CS_PORT, AO_PCA9922_CS_PIN, AO_PCA9922_CS, AO_PCA9922_SPI_BUS);
+ AO_PCA9922_CS = 0;
+ ao_mutex_put(&ao_spi_mutex);
}
void