From eb54deb628c77f3998600755d06ac14b5ddaa630 Mon Sep 17 00:00:00 2001
From: Ramakrishnan Muthukrishnan <ram@leastauthority.com>
Date: Sun, 31 Dec 2023 17:29:34 +0530
Subject: [PATCH] debug
---
vfo.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/vfo.c b/vfo.c
index 1dc7870..4600740 100644
--- a/vfo.c
+++ b/vfo.c
@@ -616,6 +616,7 @@ void vfo_id_step(int id, int steps) {
long long frequency = vfo[id].frequency;
/* long long rx_low = */
/* vfo[id].ctun_frequency + hz + active_receiver->filter_low; */
+
// convert frequency in terms of steps, then add the given
// number of steps in the argument and then convert it
// back to frequency.
@@ -626,26 +627,31 @@ void vfo_id_step(int id, int steps) {
long long rx_high =
((vfo[id].ctun_frequency / step + steps) * step) +
active_receiver->filter_high;
- long long half = (long long)active_receiver->sample_rate / 2LL;
- long long min_freq = frequency - half;
+
+ long long half = (long long)active_receiver->sample_rate / 2LL;
+
+ long long min_freq = frequency - half;
long long max_freq = frequency + half;
+ if (min_freq < 0) {
+ min_freq = 0;
+ }
log_info("rx_low = %ld, rx_high = %ld", rx_low, rx_high);
log_info("min_freq = %ld, max_freq = %ld", min_freq, max_freq);
if (rx_low <= min_freq) {
// XXX handle ctune beyond the screen limits
long long delta_move = min_freq - rx_low;
vfo[id].frequency = ((vfo[id].frequency / step + steps) * step) - delta_move;
- //vfo[id].ctun_frequency = ((vfo[id].ctun_frequency / step + steps) * step);
- receiver_frequency_changed(receiver[id]);
+
log_info("vfo_f = %lld, ctun_f = %lld", vfo[id].frequency, vfo[id].ctun_frequency);
+ receiver_frequency_changed(receiver[id]);
g_idle_add(ext_vfo_update, NULL);
return;
} else if (rx_high >= max_freq) {
// XXX: move the background
long long delta_move = rx_high - max_freq;
- vfo[id].frequency = ((vfo[id].frequency / step + steps) * step) - delta_move;
- //vfo[id].ctun_frequency = (vfo[id].ctun_frequency / step + steps) * step;
+ vfo[id].frequency = ((vfo[id].frequency / step + steps) * step) + delta_move;
+
log_info("vfo_f = %lld, ctun_f = %lld", vfo[id].frequency, vfo[id].ctun_frequency);
receiver_frequency_changed(receiver[id]);
g_idle_add(ext_vfo_update, NULL);
--
2.45.2