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Running Matter Examples on the TI SimpleLink CC2674P10 and CC2674R10

The existing Matter project examples are based on LP_EM_CC1354P10_6. If using the CC2674P10, the following migration steps are required. Developers are strongly encouraged to start with a cc13x4_26x4 example and migrate the project accordingly. Example projects can be found in the following location: matter/examples/[application]/cc13x4_26x4

Dependencies

The following must be installed on your system before proceeding:

Matter source code changes

The following are changes to the Matter source code files which should be applied to convert a matter/examples/[application]/cc13x4_26x4 project to the CC2674P10 device

  • examples/[application]/cc13x4_26x4/args.gni, modify/add the following defines for the CC2674
    • ti_simplelink_board = "CC2674"
    • ti_simplelink_device = "CC2674P10RGZ"
  • third_party/ti_simplelink_sdk/repo_cc13xx_cc26xx/source/ti/common/flash/no_rtos/extFlash/bsp.h, modify the SPI GPIO pins to the value below:
#define BSP_IOID_FLASH_CS       IOID_20
#define BSP_SPI_MOSI            IOID_9
#define BSP_SPI_MISO            IOID_8
#define BSP_SPI_CLK_FLASH       IOID_10

The GPIO pin values for SPI will need to be adjusted based on your design.

Configuring chip.syscfg in the SysConfig GUI

  1. To open matter/examples/[application]/cc13x4_26x4/chip.syscfg in the GUI, add the following line to the top of the file:
  // @cliArgs --product <path to SDK>/.metadata/product.json --board /ti/boards/LP_EM_CC1354P10_6 --rtos freertos
  1. Open the syscfg file using the standalone Sysconfig GUI (sysconfig_gui.sh) from the SysConfig installation folder.
  2. Click on Show Device View and then click Switch.
  3. Select Board as None and Device as CC2674P10RGZ, Unselect Lock PinMux, and click Confirm.
  4. To fix errors, make the following module changes:
    • RF Design and RF Stacks -> Bluetooth LE -> Radio: click on accepting the current value, which should be LP_CC2674P10_RGZ in the drop down menu for Based On RF Design
    • TI DEVICES -> Device Configuration: Clear XOSC Cap Array Modification
    • TI DRIVERS -> RF: Set Global Event Mask as None and No. of Antenna Switch Control Pins as 0
    • TI DRIVERS -> UART2 -> PinMux: Set UART Peripheral to UART0, TX Pin to DIO_13/19, and RX Pin to DIO_12/18
    • TI DRIVERS APPS -> Button: Set PinMux of CONFIG_BTN_LEFT to DIO_15 and CONFIG_BTN_RIGHT to DIO_14
    • TI DRIVERS APPS -> LED: Set PinMux of CONFIG_LED_RED to DIO_6 and CONFIG_LED_RIGHT to DIO_7
  5. Save the SysConfig file (click on Save As) and ensure the file name matches the reference from BUILD.gn (default project name is chip.syscfg).
  6. Open the new SysConfig file with a text editor and remove the generated arguments. 
    /**
 * These arguments were used when this file was generated.  They will be automatically applied on subsequent loads
 * via the GUI or CLI.  Run CLI with '--help' for additional information on how to override these arguments.
 * @cliArgs --device "CC2674P10RGZ" --package "RGZ" --part "Default" --rtos "freertos" --product "[email protected]"
 * @versions {"tool":"1.18.0+3130"}
 */
  7. Move the *.syscfg file into the matter/examples/[application]/cc13x4_26x4/ folder. Make sure that the args.gni parameters are aligned for the CC2674P10RGZ as detailed above, and build the example using the README.md instructions.

Modifications required for the CC2674R10

After applying all items in the "Configuring chip.syscfg in the SysConfig GUI" section, additional steps must also be applied to generate Matter project for the CC2674R10.

  • examples/[application]/cc13x4_26x4/args.gni should have ti_simplelink_board as CC2674 and ti_simplelink_device = CC2674R10RGZ.
  • examples/[application]/cc13x4_26x4/chip.syscfg opened with a Text Editor should change ble.radioConfig.codeExportConfig.$name to ti_devices_radioconfig_code_export_param2 and ble.rfDesign to LP_EM_CC1354P10_1

Furthermore, the subsequent changes apply specifically for the CC2674R10 and should be addressed from a SysConfig Editor.

  1. Pins will need to be reconfigured as such:

    SysConfig pin name R10 PinMux
    UART_RX DIO_2
    UART_TX DIO_3
    CONFIG_BTN_LEFT DIO_13
    CONFIG_BTN_RIGHT DIO_14
    CONFIG_LED_RED DIO_6
    CONFIG_LED_GREEN DIO_7

  2. Custom -> IEEE 802.15.4-2006, 250 kbps, OQPSK, DSSS = 1:8 -> Code Export Configuration, acknowledge and dismiss the PA radio setup error

  3. Custom -> IEEE 802.15.4-2006, 250 kbps, OQPSK, DSSS = 1:8 -> RF Command Symbols, change CMD_RADIO_SETUP from RF_cmdRadioSetup to RF_cmdIeeeRadioSetup and add the following functions from the drop-down: CMD_TX_TEST,CMD_IEEE_ED_SCAN, CMD_IEEE_CSMA, and CMD_IEEE_RX_ACK.

Building examples for the CC1354P10-1

To migrate the CC1354P10-6 examples to the CC1354P10-1 platform, there are only two steps:

  1. examples/[application]/cc13x4_26x4/args.gni should have ti_simplelink_board as CC1354P10-1
  2. examples/[application]/cc13x4_26x4/chip.syscfg opened with a Text Editor should change ble.radioConfig.codeExportConfig.$name to ti_devices_radioconfig_code_export_param2 and ble.rfDesign to LP_EM_CC1354P10_1

After this, the example's README.md instructions can be followed to produce the executable needed.