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  rei

  • 2 days ago
  • Other wireless
  • Other wireless technologies forum

  CC2538: Use the 32kHz Crystal Oscillator

  TI Thinks Resolved

  Part Number: CC2538 Hi, I want to use a 32kHz Crystal Oscillator (External 32kHz) on my CC2538. Can I just use the following setting? SYS_CTRL_CLOCK_CTRL:OSC32K bit 1 -> 0 Regards, Rei
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  Zihao Zou1

  • 3 days ago
  • Sub-1 GHz
  • Sub-1 GHz forum

  CC2538: How to set up the GP timer with 1 us solution

  Part Number: CC2538 Hi, I am trying to set up the gp timer B as a high solution time recorder. I want to use the prescaler to enable the timer ticks every 1 us. I will paste my code first and list all my problems below. /*********************...
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  Mathew Heard

  • 13 days ago
  • Zigbee & Thread
  • Zigbee & Thread forum

  CC2538: ZStack 3.0: nwk_buffer messages stuck in send

  Part Number: CC2538 I've suspected this for a while however only just built the code to confirm it. The problem: Over a period of consecutive usage messages (nwkDB_t) build up in a state of sent (NWK_DATABUF_SENT) leading to an eventual out of...
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  Panagiotis Nomikos

  • 1 month ago
  • Zigbee & Thread
  • Zigbee & Thread forum

  CC2538: How to set up a Pin as a wake up pin and set an interrupt service routine when waking up.

  • Resolved

  Part Number: CC2538 Hello, I am working on a project where I need to wake up my MCU when I get
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  Panagiotis Nomikos

  • 16 days ago
  • Zigbee & Thread
  • Zigbee & Thread forum

  RE: CC2538: My cc2538 ED tries to reconnect to a network it no longer is a part of.

  Hello Ryan, Thank you for your answer. I discovered something about the cause of the issue. Every time I would call NLME_SetPollRate(x) the callback function would activate. Is there some correlation with the neighbor table and the poll rate? Thank...
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  Nathan Block

  • 1 day ago
  • Other wireless
  • Other wireless technologies forum

  RE: CC2538: Power mode 2 issue

  Hi Rei, You're correct in your interpretation of the power-down guard time. Unfortunately, we need to do some more research on the calibration frequency and longevity. I'm asking around about this internally, but this is an older part so it...
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  Eduard Iten

  • 1 month ago
  • Zigbee & Thread
  • Zigbee & Thread forum

  RE: CC2538: no JTAG connection/Oscillators won't start

  Thanks, I'll add it in the next Revision. btw: the other 5 boards arrived and work just GREAT! Thanks for your efforts, It seems it was just a faulty first prototype! Regards, Edi
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  Zihao Zou1

  • 27 days ago
  • Zigbee & Thread
  • Zigbee & Thread forum

  RE: CC2538: CC2538 UDMA error interrupt got triggered as soon as enabled.

  Hi Ryan, I find the problem. as long as I change the data type of the data I want to transfer from char * to char[], then everything is fine. Thank you.
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  Ryan Brown1

  • 1 month ago
  • Zigbee & Thread
  • Zigbee & Thread forum

  RE: CC2538: Block the CPU for reading a specific region of flash

  Hello Nikos, You will need to lock the JTAG debug interface so that it is unable to read any flash memory region. The top most page the Flash contains the lock bit information. A value of 1 enables the access to all the secondary/slave DAP/TAP connected...
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  Kalin Gelov

  • 2 months ago
  • Zigbee & Thread
  • Zigbee & Thread forum

  CC2538: GPTimer compare mode

  Part Number: CC2538 Hello, Is there a way to make GPTimer to drive pin in one shot mode. I need to make a single pulse with variable width externally triggered. I'm using one shot mode, but did not find a way to drive pin direct from timer, not...

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