Allow more precise tuning

Use shorter queue to decrease latency
2024-07-10 10:10:29 +02:00 · 2024-07-10 10:10:13 +02:00
1 changed files with 2 additions and 2 deletions
--- a/src/main.c
+++ b/src/main.c
@ -27,7 +27,7 @@

 #define IQ_SAMPLES 32
 #define IQ_BLOCK_LEN (2 * IQ_SAMPLES)
-#define IQ_QUEUE_LEN 64
+#define IQ_QUEUE_LEN 4

 #define XOR_ADDR 0x1000
 #define LO_COS_ACCUMULATOR (&pio1->sm[2].pinctrl)
@ -290,7 +290,7 @@ static void lo_tweak(uint32_t *buf, uint32_t phase)

 static void rx_lo_init(double req_freq, bool align)
 {
-	const double step_hz = (double)CLK_SYS_HZ / (4 << LO_BITS_DEPTH);
+	const double step_hz = (double)CLK_SYS_HZ / (8 << LO_BITS_DEPTH);
 	double freq = req_freq;

 	if (align)
Author	SHA1	Message	Date
Jan Hamal Dvořák	1c3ec5cb49	Allow more precise tuning	2024-07-10 10:10:29 +02:00
Jan Hamal Dvořák	12c53377f6	Use shorter queue to decrease latency	2024-07-10 10:10:13 +02:00