1.1.8 AT Pwr Dev Character Interface

The Bluetooth/BLE stack uses a character interface that runs in the user space to convey commands to the power management layer.

• Use the echo BT_POWER_UP > /dev/wilc_bt command to power-up the chip. This command does not take effect if Wi-Fi is ON
• Use the echo BT_POWER_DOWN > /dev/wilc_bt command to power-down the chip. This command does not take effect if Wi-Fi is ON
• Use the echo BT_DOWNLOAD_FW > /dev/wilc_bt command to download Bluetooth FW to IRAM using SDIO or SPI
• Use the echo BT_FW_CHIP_WAKEUP > /dev/wilc_bt command to wake the chip up, issued before downloading FW for both UART or SDIO/SPI
• Use the echo BT_FW_CHIP_ALLOW_SLEEP > /dev/wilc_bt command to allow the chip to enter Sleep mode when appropriate