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Merge pull request #304 from frtos-wpan/rf230bb-merged

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cpu/avr/radio/rf230bb/rf230bb.c (rf230_transmit): extend comment on tx s...
This commit is contained in:
Nicolas Tsiftes 2013-08-05 00:24:35 -07:00
parent e339d9cd48 be0a296049
commit a9f0907640
1 changed files with 3 additions and 1 deletions
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cpu/avr/radio/rf230bb/rf230bb.c
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@ -964,7 +964,9 @@ rf230_transmit(unsigned short payload_len)
/* No interrupts across frame download! */ /* No interrupts across frame download! */
HAL_ENTER_CRITICAL_REGION(); HAL_ENTER_CRITICAL_REGION();
/* Toggle the SLP_TR pin to initiate the frame transmission */ /* Toggle the SLP_TR pin to initiate the frame transmission, then transfer
* the frame. We have about 16 us + the on-air transmission time of 40 bits
* (for the synchronization header) before the transceiver sends the PHR. */
hal_set_slptr_high(); hal_set_slptr_high();
hal_set_slptr_low(); hal_set_slptr_low();
hal_frame_write(buffer, total_len); hal_frame_write(buffer, total_len);