/**
* @brief Deinitialize SPI
*/
static int btstack_em9304_spi_embedded_close(void){
// remove data source
btstack_run_loop_disable_data_source_callbacks(&btstack_em9304_spi_embedded_data_source, DATA_SOURCE_CALLBACK_POLL);
btstack_run_loop_remove_data_source(&btstack_em9304_spi_embedded_data_source);
// stop lower layer
hal_em9304_spi_deinit();
return 0;
}
static int h4_close(void){
// remove data source
btstack_run_loop_disable_data_source_callbacks(&hci_transport_h4_dma_ds, DATA_SOURCE_CALLBACK_POLL);
btstack_run_loop_remove_data_source(&hci_transport_h4_dma_ds);
// close device
// ...
return 0;
}
