From d443fd17614a1e5f3319eafe25dd0c0d8c1b3e99 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Hamal=20Dvo=C5=99=C3=A1k?= <mordae@anilinux.org>
Date: Sun, 25 Feb 2024 23:16:25 +0100
Subject: [PATCH] Experiment with TX bursts
---
src/main.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/src/main.c b/src/main.c
index 6950eca..99421a7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -893,6 +893,12 @@ static void command(const char *cmd)
} else if ('-' == c) {
actual = rx_lo_init(actual - step_hz);
printf("Frequency: %.0f\n", actual);
+ } else if ((c >= '1') && (c <= '9')) {
+ for (int i = 0; i < 1000; i++) {
+ phase = !phase;
+ gpio_set_outover(n, phase);
+ sleep_us(1000 / (c - '0'));
+ }
}
}
@@ -932,6 +938,20 @@ static void command(const char *cmd)
} else if ('-' == c) {
f = tx_fsk_lo_init(f - step_hz, g);
printf("Frequency: %.0f +/- %.f\n", f, g / 2.0f);
+ } else if ((c >= '1') && (c <= '9')) {
+ for (int i = 0; i < 1000; i++) {
+ high = !high;
+
+ if (high) {
+ dma_hw->ch[dma_ch_tx_cos].read_addr =
+ (uint32_t)lo_cos;
+ } else {
+ dma_hw->ch[dma_ch_tx_cos].read_addr =
+ (uint32_t)lo_sin;
+ }
+
+ sleep_us(1000 / (c - '0'));
+ }
}
}