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Getting Started with TI CC2650 LaunchPad and Contiki

I just bought two TI CC2650 LaunchPads from Mouser, which feature the recently released TI CC2650 System-on-a-Chip (SoC), and I thought I could write a simple tutorial to help people get started with the LaunchPad and Contiki OS on Mac OS X.

The CC2650 SoC integrates an ARM Cortex-M3 microcontroller together with a Bluetooth Low Energy (BLE) and IEEE 802.15.4 radio chip. This SoC brings new opportunities for wireless devices and research. For instance, Thingsquare uses BLE for proximity control using the SensorTag, another TI CC2650-based evaluation board. Other researchers are studying how to run RPL over BLE, see this demo and this paper.

The following picture obtained from the TI CC2650 LaunchPad Quick Start Guide details some of the LaunchPad features.

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Everything that you need to get started with the TI CC2650 LaunchPad and Contiki is enumerated in the Contiki TI CC2650 platform’s README. Here, you can find the commands to install all these requirements on Mac OS X.

First, clone the Contiki GitHub repository and get its submodules. Specifically, the CC26XXware and the CC2538-bsl script submodules are required.

The previous commands should download the latest Contiki and its submodules. If you already have a previous clone of Contiki, you can update it with git pull . If you have a Contiki fork that is not up-to-date you can run the following commands:

Being upstream the original project repository. If you do not have any upstream added, you can add it like this: git remote add upstream https://github.com/contiki-os/contiki .

Then, if the submodules in your fork or clone are not up-to-date, you can update them with the following command:

By now, you should have the latest Contiki, CC26XXware, and the CC2538-bsl script that you need to upload an image over the serial port to the LaunchPad. However, you may still not have a toolchain to build the firmware. To this end, you need the GNU Tools for ARM Embedded Processors. On Mac OS X to install these tools, you can use Homebrew as follows:

At the time of writing, this installs version 5.2.1.

Finally, you will also need to install SRecord. You can also use Homebrew for this purpose:

Flashing the LaunchPad with TI SmartRF Flash Programmer

Most likely, your LaunchPad comes pre-programmed with factory firmware that does not have the ROM bootloader enabled. As a consequence, before you can use the CC2538-bsl script to programme the LaunchPad over serial, you will need to flash first the CC2650 with a new image that enables the device bootloader. To do that, you will need to modify the ccfg.c file that you can find in:

Specifically, you need to enable the ROM bootloader and its backdoor, define the pin state to activate the bootloader backdoor, and the DIO number of the backdoor. You can do that by looking for the bootloader definitions in the ccfg.c file and modifying them as follows:

With these modifications you are setting the button 1 ( DIO13 ) to enable the bootloader. If you prefer for any reason to use button 2 for this purpose, simply set:

Once, you have done these modifications and you have all the requirements, you can compile a new image to flash the TI CC2650 LaunchPad. For simplicity, I will use in this post the cc26xx-demo.c example in Contiki. You can compile the image for the LaunchPad as follows:

After this, you should be able to see the next files:

Basically, the cc26xx-demo.elf or cc26xx-demo.hex is the image that you need to flash the TI CC2650 LaunchPad. To do so, you will need the TI SmartRF Flash Programmer, which you can download for free from TI. Download the second version (v2). You will need to first sign up and then fill a form to download the software. Unfortunately, TI SmartRF Flash Programmer is only available for Windows, so you will need to either use a Windows machine or a virtual machine with VMware Fusion or Parallels. A priori, you could also use VirtualBox. However, with VirtualBox I had a problem when upgrading the firmware in the XDS110 MCU, which is most likely the first thing you will have to do when using for the first time your LaunchPad together with SmartRF Flash Programmer.

Once you have TI SmartRF Flash Programmer up and running, connect your LaunchPad to your Windows (virtual) machine and you will see a device appearing in the left pannel of the application. Click on it and update if required the XDS110 firmware. Then, connect to the LaunchPad using the same pannel. Once the connection is successful, select the image to upload to the LaunchPad, i.e., either the cc26xx-demo.elf or the cc26xx-demo.hex files. Then, mark the three checkboxes available in the application, i.e., erase, program, and verify. Click play and wait to get the green bar reporting success. Congratulations you have programmed your LaunchPad for the first time!

Now that your LaunchPad is running a firmware that has the the ROM bootloader enabled, you should be able to programme the LaunchPad over serial using the CC2538-bsl script on Mac OS X. Note that you should have the CC2538-bsl script dependencies installed.

First, you need to manually enable the bootloader backdoor. To do so, connect your LaunchPad to your Mac OS computer, press and hold Button 1, reset the LaunchPad, and then release Button 1. Now, you can directly programme the LaunchPad as follows:

If by any chance, you are getting an error such as ERROR: Timeout waiting for ACK/NACK after 'Synch (0x55 0x55)' , you may need to reduce the baudrate by modifying the BSL_FLAGS of the CC2538-bsl script either in platform/srf06-cc26xx/Makefile.srf06-cc26xx or in platform/srf06-cc26xx/launchpad/Makefile.launchpad to:

To connect via serial port to your TI CC2650 LaunchPad, first you need to see the serial port the LaunchPad is connected to. To do that just run:

In my particular case, the LaunchPad is connected to the /dev/tty.usbmodemL1002961 serial port. Then, I can use the serialdump-macos tool of Contiki to connect serially to the LaunchPad with the following command:

Running that command you should see something like:


The Sims 3 CC "Please Make Sure Your Game Has the Latest Software Updates and Try Again" Error's 100% Solution

First of all I want to say that I made this guide for xnoirx and I will glad if you can move this topic to tips and tricks.

Have you tried to install a Custom Content to Sims 3 via launcher and it says you: "Please make sure your game has the latest software updates and try again."? Then you need to decrapify your sims3pack. Here is the link for it. There is a guide inside how to make it. Thank to G4TW! Cc starting with 3

You decraped your sims3pack and it still not works, you need to download CC Magic which is powerful CC installer. Here is the link. You need a free account to download it. It needs 3 more programs to get it work. Here is their link:

When you are done, you need to click Rebuild button at the top to make your selected CC's activated in game.

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