List of Preprocessor Build Settings#
This section provides the list of preprocessor macros that can be edited in the build settings and are available with the WiSeConnect™ SDK v3.x with the SiWx91x™ and EFR32™ hosts.
Some macros shown in the preprocessor build settings window are not listed here as you cannot modify it.
Macros are listed in alphabetical order.
Macro Name and Default Value | Valid Values | Description |
|---|---|---|
SL_SI91X_AWS_IOT_ROOT_CA_1 | 1 to enable, 0 to disable | Enabling or disabling the Intermediate Amazon Root CA 1 certificate. |
SL_SI91X_EVENT_HANDLER_STACK_SIZE | User defined value | Stack size of the event handler thread that processes all Wi-Fi and networking callbacks. |
SL_SI91X_FAST_FW_UP | 1 to enable, 0 to disable | Enabling or disabling fast firmware update. Used to flash firmware image in primary location of NWP. |
SL_SI91X_MCU_ALARM_BASED_WAKEUP=1 | 1 to enable, 0 to disable | Enabling or disabling the alarm-based wake up method. Only used when the Si91x Cortex-M4 Powersave component is enabled. |
SL_SI91X_MCU_BUTTON_BASED_WAKEUP=1 | 1 to enable, 0 to disable | Enabling or disabling the button-based wake up method. Only used when the Si91x Cortex-M4 Powersave component is enabled. |
SL_SI91X_MCU_WIRELESS_BASED_WAKEUP=1 | 1 to enable, 0 to disable | Enabling or disabling the wireless-based wake up method. Only used when the Si91x Cortex-M4 Powersave component is enabled. |
SL_SI91X_PRINT_DBG_LOG=1 | 1 to enable, 0 to disable | Enabling or disabling |
SL_SI91X_REQUIRES_INTF_PLL | 1 to enable, 0 to disable | Enabling or disabling the INTF_PLL (Interface PLL) clock for HP peripherals. |
SL_SI91X_UART_HFC_ENABLE | 1 to enable, 0 to disable | Enabling or disabling hardware flow control in NCP UART. Should only be used when SL_SI91X_UART_HIGH_SPEED_ENABLE is enabled. |
SL_SI91X_UART_HIGH_SPEED_ENABLE | 1 to enable, 0 to disable | Enabling or disabling the switching of NCP UART to operate on higher baudrate. |
SL_SI91X_ULP_STATE_ENABLE | 1 to enable, 0 to disable | Enabling or disabling the required configuration for ultra-low power state by trimming the ULP_RC (Ultra-Low Power RC) clock to 20 MHz. |
SLI_SI91X_CONFIG_WIFI6_PARAMS=1 | 1 to enable, 0 to disable | Enabling or disabling the Wi-Fi 6 protocol. Only used when the Wi-Fi component is enabled. |
SLI_SI91X_EMBEDDED_MQTT_CLIENT=1 | 1 to enable, 0 to disable | Enabling or disabling the Message Queue Telemetry Transport (MQTT) client functionality of the SiWx91x chipset. Only used when the MQTT Client component is enabled. |
SLI_SI91X_ENABLE_IPV6=1 | 1 to enable, 0 to disable | Enabling or disabling Internet Protocol version 6 (IPv6) support. |
SLI_SI91X_INTERNAL_HTTP_CLIENT=1 | 1 to enable, 0 to disable | Enabling or disabling the Hyper-Text Transfer Protocol (HTTP) client functionality of the SiWx91x chipset with asynchronous event support. Only used when the HTTP Client component is enabled. |
SLI_SI91X_INTERNAL_MDNS | 1 to enable, 0 to disable | Enabling or disabling the Multicast Domain Name System (mDNS) functionality of the SiWx91x chipset. Only used when the MDNS component is enabled. |
SLI_SI91X_INTERNAL_SNTP_CLIENT=1 | 1 to enable, 0 to disable | Enabling or disabling the Simple Network Time Protocol (SNTP) client functionality of the SiWx91x chipset. Only used when the SNTP Client component is enabled. |
SLI_SI91X_LWIP_HOSTED_NETWORK_STACK=1 | 1 to enable, 0 to disable | Enabling or disabling the lightweight Internet Protocol (LwIP) network stack on the external microcontroller unit (MCU) host in Network Co-Processor (NCP) mode. |
SLI_SI91X_LWIP_NETWORK_STACK=1 | 1 to enable, 0 to disable | Enabling or disabling the lightweight Internet Protocol (LwIP) network stack on the application processor in System-on-Chip (SoC) mode. |
SLI_SI91X_MCU_ENABLE_PSRAM_FEATURE=1 | 1 to enable, 0 to disable | Enabling or disabling the sleep and wakeup functionality of the Pseudo-Static Random-Access Memory (PSRAM) of the SiWx91x chipset. This option is only available on radio boards that include PSRAM. |
SLI_SI91X_MCU_FW_UPGRADE_OTA_DUAL_FLASH=1 | 1 to enable, 0 to disable | Enabling or disabling the firmware update of the application processor on dual flash radio boards using the OTAF protocol. This option is only available on dual flash boards. |
SLI_SI91X_MCU_INTR_BASED_RX_ON_UART=1 | 1 to enable, 0 to disable | Enabling or disabling the receiving of data over the Universal Asynchronous Receiver-Transmitter (UART) interface using interrupts. |
SLI_SI91X_SOCKETS=1 | 1 to enable, 0 to disable | Enabling or disabling socket programming support. Only used when the Internal Network Stack component is enabled. |