mordae/pico-sdr
1
2
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Compare commits

...

2 commits
558c3a0a41 ... 66105e155a

Author SHA1 Message Date
Jan Hamal Dvořák
66105e155a Shorten queue to decrease latency 2024-07-22 19:40:12 +02:00
Jan Hamal Dvořák
f45d343c8c Prevent too tight loop on the 1st core 2024-07-22 19:40:02 +02:00
1 changed files with 3 additions and 1 deletions

4
src/main.c
View file

@ -37,7 +37,7 @@
#define IQ_SAMPLES 32 #define IQ_SAMPLES 32
#define IQ_BLOCK_LEN (2 * IQ_SAMPLES) #define IQ_BLOCK_LEN (2 * IQ_SAMPLES)
#define IQ_QUEUE_LEN 4 #define IQ_QUEUE_LEN 2
#define LO_BITS_DEPTH 15 #define LO_BITS_DEPTH 15
#define LO_WORDS (1 << (LO_BITS_DEPTH - 2)) #define LO_WORDS (1 << (LO_BITS_DEPTH - 2))
@ -598,6 +598,8 @@ static void do_rx()
if (queue_try_remove(&iq_queue, &block)) { if (queue_try_remove(&iq_queue, &block)) {
fwrite(block, IQ_BLOCK_LEN, 1, stdout); fwrite(block, IQ_BLOCK_LEN, 1, stdout);
fflush(stdout); fflush(stdout);
} else {
sleep_us(25);
} }
} }