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Found 9 results

  1. I've been searching for the Wi-Fi SensorTag firmware. Has anyone see it on TI's wiki or tool site? I just received mine. It works seamlessly, but I wanted to play around with the firmware a little.
  2. Nice surprise! It’s here! Get your Wi-Fi® SensorTag today Get data from 10 sensors to the cloud in minutes Connect to the cloud in minutes with this ready-to-use demo platform Run applications on 2 AAA batteries Learn more
  3. Here's a heads-up for anyone that wants to use the external SPI flash memory on the SensorTag: it's not accessible while a debugger session is active. Unfortunately the pin on the SensorTag's CC2650 which outputs the SPI clock to the flash memory is also used as the JTAG TDI pin: While you're debugging using the Debug DevPack the CC2650 is unable to clock data out to the flash chip. That means the flash will just sit there doing nothing and the CC2650 will end up reading zeroes from the SPI bus. To use the flash you need to be certain that no JTAG communication is occurring during execution of your firmware. The easiest way to do this is just to disconnect the Debug DevPack and power the SensorTag from a coin cell or external power supply. Alternatively you can use the Debug DevPack to power the SensorTag, but then you have to follow this procedure: Load your updated firmware onto the SensorTag using the Debug DevPack (I just run it in the CCS debugger) Terminate the debug session once you reach the start of main() Disconnect the Debug DevPack from USB Detach the SensorTag from the DevPack Connect the Debug DevPack to USB Reattach the SensorTag to the Debug DevPack Be careful not to miss step 2, or the DevPack will resume JTAG communication when everything is connected up again. I found that out the hard way... Also, the order of the last two steps is to avoid an issue with powering up the Debug DevPack while it's connected to a SensorTag with no coin cell. The advantage of that is that you don't need a coin cell (I've drained two already...) This makes testing code that uses the flash really difficult, as there's no way to use the debugger. I've been using a combination of UART logging, LED flashes and beep codes from the onboard buzzer to keep track of where the code is up to. The other thing I'm doing is detecting whether the flash is available during startup and skipping the flash accesses if it's not there. That lets the rest of the code run in the debugger without problems. The command sequence I'm using to detect the flash is: Repeatedly send a Read Status Register command (0x05, 0x00) until the received BUSY flag is clear Send a Read Mode Reset command (0xFF, 0xFF) Send a Release From Power Down command sequence (0xAB, 0x00, 0x00, 0x00, 0x00) Flash is available if the device ID value 0x12 is received in the last byte of the Release From Power Down sequence This sequence is arranged to work irrespective of the state of the flash chip. If JTAG is active the code will immediately fall through step 1 (BUSY flag is zero), but the received device ID at step 4 will be zero too. Step 2 covers against any remote chance that the device has ended up in dual-SPI mode. Step 3 wakes the chip if it has been put in suspend, and returns the device ID regardless.
  4. There is a new series of YouTube postings that uses Texas Instruments parts and microcontrollers by Peter Oakes. I have started watching it and have found it interesting. It seems pitched at the hobbyist level (pretty basic at times), but goes beyond just a recipe to make something work and he even pulls out the datasheet!: https://www.youtube.com/playlist?list=PL_atu5RtEPi5I5YWx_wb_j9erZGCvnpvW EDIT: I have watched a few more of these and apparently they are TI sponsored.
  5. As stated in the title. https://e2e.ti.com/support/wireless_connectivity/proprietary_sub_1_ghz_simpliciti/f/156/t/469373
  6. How do I connect a sensortag to Energia? I assumed I used the xds110 to probram & debug, but Energia complains: IcePick_C: Error connecting to the target: (Error -260 @ 0x0) An attempt to connect to the XDS110 failed. The cause may be one or more of: invalid firmware update, invalid XDS110 serial number, or faulty USB connection. The firmware and serial number may be updated using the xdsdfu utility found in the .../ccs_base/common/uscif/xds110 directory of your installation. View the ReadMe.txt file there for instructions. (Emulation package 6.0.14.5) and running xdsdfu.exe -e gives USB Device Firmware Upgrade Utility Copyright © 2008-2015 Texas Instruments Incorporated. All rights reserved. Scanning USB buses for supported XDS110 devices... Found 0 devices. yours Simon M.
  7. SensorTag can be used not only for development I had to find the exact location when fixing problem with my subfloor, so I attached small magnet under the floor and used ST to locate it.
  8. I was wondering if the SensorTag (the current Bluetooth one) is going to have Energia support at any stage?
  9. MAKE magazine article with photos of the board enclosed in the Sensor Tag: http://blog.makezine.com/2013/04/18/teardown-of-the-ti-sensortag/