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CC2500 Continuous

JackJohnson
Intellectual 655 points
Other Parts Discussed in Thread: CC2500

Hi,

What I'd like to do is send an 8 byte packet continuously at 40khz with a CC2500. 

I'd like my receiver to wake see that a carrier is around and hang on until the packet is rx'd.

I'm open for any suggestions but plan on implementing it like this.

  1. Set the MCSM1.TXOFF_MODE to 2 - Stay in TX start sending preamble
  2. Set the FIFO threshold to 1
  3. Load the TxFifo  - hit the STX.
  4. Wait 5msec  (time for the TX to complete) via a timer IRQ
  5. OR - generate an IRQ that says the fifo is empty - GDOx_CFG[5:0]] = 0x6
  6. repeat 3 and 4/5 forever.

I'd set the MCSM2.RX_TIME_RSSI in my reciever so that it would wake up see the preamble or other data going by and stay on until it got a packet.

If your CC2500 Guru's out there see anything wrong with this approach I'd appreciate the feed back.

 

Thanks,

Jack