From b03c70cece76fa54d22d10691643dc891e4feb78 Mon Sep 17 00:00:00 2001
From: c vw <dl1ycf@darc.de>
Date: Thu, 8 Aug 2019 15:49:15 +0200
Subject: [PATCH] P1: bypass RX filters when using EXT1 for PS feedback
---
old_protocol.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/old_protocol.c b/old_protocol.c
index ab5259b..72aa9e4 100644
--- a/old_protocol.c
+++ b/old_protocol.c
@@ -1265,6 +1265,8 @@ void ozy_send_buffer() {
output_buffer[C0]=0x12;
output_buffer[C1]=power&0xFF;
output_buffer[C2]=0x00;
+ output_buffer[C3]=0x00;
+ output_buffer[C4]=0x00;
if(mic_boost) {
output_buffer[C2]|=0x01;
}
@@ -1277,14 +1279,23 @@ void ozy_send_buffer() {
if((filter_board==APOLLO) && tune) {
output_buffer[C2]|=0x10;
}
- output_buffer[C3]=0x00;
if(band_get_current()==band6) {
output_buffer[C3]=output_buffer[C3]|0x40; // Alex 6M low noise amplifier
}
if(band->disablePA) {
output_buffer[C3]=output_buffer[C3]|0x80; // disable PA
}
- output_buffer[C4]=0x00;
+#ifdef PURESIGNAL
+ //
+ // If using PURESIGNAL and a feedback to EXT1, we have to manually activate the RX HPF/BPF
+ // filters and select "bypass"
+ //
+ if (isTransmitting() && transmitter->puresignal && receiver[PS_RX_FEEDBACK]->alex_antenna == 6) {
+ output_buffer[C2] |= 0x40; // enable manual filter selection
+ output_buffer[C3] &= 0x80; // preserve ONLY "PA enable" bit and clear all filters including "6m LNA"
+ output_buffer[C3] |= 0x40; // bypass all filters
+ }
+#endif
}
break;
case 4:
--
2.45.2