boards/ti/cc1312r1_launchxl/doc/index.rst
.. zephyr:board:: cc1312r1_launchxl
Overview
The Texas Instruments CC1312R LaunchPad™ (LAUNCHXL-CC1312R1) is a development kit for the SimpleLink™ multi-Standard CC1312R wireless MCU.
See the TI CC1312R1 LaunchPad Product Page_ for details.
Hardware
The CC1312R LaunchPad™ development kit features the CC1312R wireless MCU. The board is equipped with two LEDs, two push buttons, antenna switch and BoosterPack connectors for expansion. It also includes an integrated (XDS110) debugger.
The CC1312R wireless MCU has a 48 MHz Arm® Cortex®-M4F SoC and an integrated sub-1GHz transceiver supporting the IEEE® 802.15.4g protocol.
See the TI CC1312R Product Page_ for additional details.
.. zephyr:board-supported-hw::
All I/O signals are accessible from the BoosterPack connectors. Pin function aligns with the LaunchPad standard.
+-------+-----------+---------------------+ | Pin | Function | Usage | +=======+===========+=====================+ | DIO2 | UART0_RX | UART_RXD | +-------+-----------+---------------------+ | DIO3 | UART0_TX | UART_TXD | +-------+-----------+---------------------+ | DIO4 | I2C_MSSCL | I2C SCL | +-------+-----------+---------------------+ | DIO5 | I2C_MSSDA | I2C SDA | +-------+-----------+---------------------+ | DIO6 | GPIO | Red LED | +-------+-----------+---------------------+ | DIO7 | GPIO | Green LED | +-------+-----------+---------------------+ | DIO8 | SSI0_RX | SPI MISO | +-------+-----------+---------------------+ | DIO9 | SSI0_TX | SPI MOSI | +-------+-----------+---------------------+ | DIO10 | SSI0_CLK | SPI CLK | +-------+-----------+---------------------+ | DIO11 | SSIO_CS | SPI CS | +-------+-----------+---------------------+ | DIO12 | GPIO | | +-------+-----------+---------------------+ | DIO13 | GPIO | Button 1 | +-------+-----------+---------------------+ | DIO14 | GPIO | Button 2 | +-------+-----------+---------------------+ | DIO15 | GPIO | | +-------+-----------+---------------------+ | DIO16 | | JTAG TDO | +-------+-----------+---------------------+ | DIO17 | | JTAG TDI | +-------+-----------+---------------------+ | DIO18 | UART0_RTS | UART RTS / JTAG SWO | +-------+-----------+---------------------+ | DIO19 | UART0_CTS | UART CTS | +-------+-----------+---------------------+ | DIO20 | GPIO | Flash CS | +-------+-----------+---------------------+ | DIO21 | GPIO | | +-------+-----------+---------------------+ | DIO22 | GPIO | | +-------+-----------+---------------------+ | DIO23 | AUX_IO | A0 | +-------+-----------+---------------------+ | DIO24 | AUX_IO | A1 | +-------+-----------+---------------------+ | DIO25 | AUX_IO | A2 | +-------+-----------+---------------------+ | DIO26 | AUX_IO | A3 | +-------+-----------+---------------------+ | DIO27 | AUX_IO | A4 | +-------+-----------+---------------------+ | DIO28 | AUX_IO | A5 | +-------+-----------+---------------------+ | DIO29 | AUX_IO | A6 | +-------+-----------+---------------------+ | DIO30 | GPIO | TXCO VCC | +-------+-----------+---------------------+
Programming and Debugging
.. zephyr:board-supported-runners::
Before flashing or debugging ensure the RESET, TMS, TCK, TDO, and TDI jumpers are in place. Also place jumpers on the TXD and RXD signals for a serial console using the XDS110 application serial port.
#. Ensure the XDS-110 emulation firmware on the board is updated.
Download and install the latest XDS-110 emulation package_.
Follow these xds110 firmware update directions <http://software-dl.ti.com/ccs/esd/documents/xdsdebugprobes/emu_xds110.html#updating-the-xds110-firmware>_
Note that the emulation package install may place the xdsdfu utility
in <install_dir>/ccs_base/common/uscif/xds110/.
#. Install OpenOCD
You can obtain OpenOCD by following these
:ref:installing the latest Zephyr SDK instructions <toolchain_zephyr_sdk>.
After the installation, add the directory containing the OpenOCD executable to your environment's PATH variable. For example, use this command in Linux:
.. code-block:: console
export PATH=$ZEPHYR_SDK_INSTALL_DIR/sysroots/x86_64-pokysdk-linux/usr/bin/openocd:$PATH
Applications for the CC1312R LaunchPad board configuration can be built and
flashed in the usual way (see :ref:build_an_application and
:ref:application_run for more details).
Here is an example for the :zephyr:code-sample:hello_world application.
First, run your favorite terminal program to listen for output.
.. code-block:: console
$ screen <tty_device> 115200
Replace :code:<tty_device> with the port where the XDS110 application
serial device can be found. For example, :code:/dev/ttyACM0.
Then build and flash the application in the usual way.
.. zephyr-app-commands:: :zephyr-app: samples/hello_world :board: cc1312r1_launchxl :goals: build flash
You can debug an application in the usual way. Here is an example for the
:zephyr:code-sample:hello_world application.
.. zephyr-app-commands:: :zephyr-app: samples/hello_world :board: cc1312r1_launchxl :maybe-skip-config: :goals: debug
The ROM bootloader on CC13x2 and CC26x2 devices is enabled by default. The
bootloader will start if there is no valid application image in flash or the
so-called backdoor is enabled (via option
:kconfig:option:CONFIG_CC13X2_CC26X2_BOOTLOADER_BACKDOOR_ENABLE) and BTN-1 is held
down during reset. See the bootloader documentation in chapter 10 of the TI CC13x2 / CC26x2 Technical Reference Manual_ for additional information.
System and device power management are supported on this platform, and
can be enabled via the standard Kconfig options in Zephyr, such as
:kconfig:option:CONFIG_PM, :kconfig:option:CONFIG_PM_DEVICE.
When system power management is turned on (CONFIG_PM=y), sleep state 2 (standby mode) is allowed, and polling is used to retrieve input by calling uart_poll_in(), it is possible for characters to be missed if the system enters standby mode between calls to uart_poll_in(). This is because the UART is inactive while the system is in standby mode. The workaround is to disable sleep state 2 while polling:
.. code-block:: c
pm_policy_state_lock_get(PM_STATE_STANDBY, PM_ALL_SUBSTATES);
<code that calls uart_poll_in() and expects input at any point in time>
pm_policy_state_lock_put(PM_STATE_STANDBY, PM_ALL_SUBSTATES);
References
CC1312R1 LaunchPad Quick Start Guide: http://www.ti.com/lit/pdf/swru525
.. _TI CC1312R1 LaunchPad Product Page: https://www.ti.com/tool/LAUNCHXL-CC1312R1
.. _TI CC1312R Product Page: https://www.ti.com/product/CC1312R
.. _TI CC13x2 / CC26x2 Technical Reference Manual: http://www.ti.com/lit/pdf/swcu185
.. _XDS-110 emulation package: http://processors.wiki.ti.com/index.php/XDS_Emulation_Software_Package#XDS_Emulation_Software_.28emupack.29_Download