From b6c3fad82cf0f922eb728752509bc5083a8cab8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaros=C5=82aw=20Doma=C5=84ski?= <domanoid@gmail.com>
Date: Sun, 19 Jul 2026 01:13:44 +0200
Subject: [PATCH] Added fixed RX duty-cycle profiles for companion builds with
 sane default

---
 examples/companion_radio/MyMesh.cpp | 12 ++++++++++++
 platformio.ini                      |  8 ++++++++
 variants/heltec_t096/platformio.ini |  2 ++
 variants/heltec_v4/platformio.ini   |  3 +++
 variants/t1000-e/platformio.ini     |  2 ++
 variants/xiao_nrf52/platformio.ini  |  2 ++
 variants/xiao_s3/platformio.ini     |  2 ++
 7 files changed, 31 insertions(+)

diff --git a/examples/companion_radio/MyMesh.cpp b/examples/companion_radio/MyMesh.cpp
index c514b04c..972755bc 100644
--- a/examples/companion_radio/MyMesh.cpp
+++ b/examples/companion_radio/MyMesh.cpp
@@ -267,6 +267,18 @@ bool MyMesh::getCADEnabled() const {
   return true; // hardware CAD before TX (no CLI toggle on companion; enabled by default)
 }
 
+#if defined(RXPS_FIXED_ENABLED) || defined(RXPS_FIXED_LEVEL) || defined(RXPS_FIXED_PREAMBLE)
+#if !defined(RXPS_FIXED_ENABLED) || !defined(RXPS_FIXED_LEVEL) || !defined(RXPS_FIXED_PREAMBLE)
+#error "RXPS_FIXED_ENABLED, RXPS_FIXED_LEVEL, and RXPS_FIXED_PREAMBLE must be defined together"
+#endif
+#if RXPS_FIXED_LEVEL < 1 || RXPS_FIXED_LEVEL > 10
+#error "RXPS_FIXED_LEVEL must be between 1 and 10"
+#endif
+#if RXPS_FIXED_PREAMBLE != 16 && RXPS_FIXED_PREAMBLE != 32
+#error "RXPS_FIXED_PREAMBLE must be 16 or 32"
+#endif
+#endif
+
 #ifdef RXPS_FIXED_ENABLED
 static uint32_t ceilPositiveFloat(float value) {
   uint32_t rounded = (uint32_t)value;
diff --git a/platformio.ini b/platformio.ini
index e16f7b83..734d8059 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -13,6 +13,14 @@ extra_configs =
   variants/*/platformio.ini
   platformio.local.ini
 
+[companion_rxps]
+custom_rxps_level = 5
+custom_rxps_preamble = 16
+build_flags =
+  -D RXPS_FIXED_ENABLED=1
+  -D RXPS_FIXED_LEVEL=${companion_rxps.custom_rxps_level}
+  -D RXPS_FIXED_PREAMBLE=${companion_rxps.custom_rxps_preamble}
+
 [arduino_base]
 framework = arduino
 monitor_speed = 115200
diff --git a/variants/heltec_t096/platformio.ini b/variants/heltec_t096/platformio.ini
index 5f17436a..dccb9d0b 100644
--- a/variants/heltec_t096/platformio.ini
+++ b/variants/heltec_t096/platformio.ini
@@ -126,6 +126,7 @@ board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
 board_upload.maximum_size = 712704
 build_flags =
   ${Heltec_t096.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-new
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40
@@ -155,6 +156,7 @@ board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
 board_upload.maximum_size = 712704
 build_flags =
   ${Heltec_t096.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-new
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40
diff --git a/variants/heltec_v4/platformio.ini b/variants/heltec_v4/platformio.ini
index 113ba24a..ec90e723 100644
--- a/variants/heltec_v4/platformio.ini
+++ b/variants/heltec_v4/platformio.ini
@@ -184,6 +184,7 @@ lib_deps =
 extends = heltec_v4_oled
 build_flags =
   ${heltec_v4_oled.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-new
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40
@@ -203,6 +204,7 @@ lib_deps =
 extends = heltec_v4_oled
 build_flags =
   ${heltec_v4_oled.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-new
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40
@@ -237,6 +239,7 @@ build_flags =
 extends = heltec_v4_oled
 build_flags =
   ${heltec_v4_oled.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-new
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40
diff --git a/variants/t1000-e/platformio.ini b/variants/t1000-e/platformio.ini
index 43a3d93f..7e662fbc 100644
--- a/variants/t1000-e/platformio.ini
+++ b/variants/t1000-e/platformio.ini
@@ -73,6 +73,7 @@ extends = t1000-e
 board_build.ldscript = boards/nrf52840_s140_v7_extrafs.ld
 board_upload.maximum_size = 708608
 build_flags = ${t1000-e.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-orig
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40
@@ -96,6 +97,7 @@ extends = t1000-e
 board_build.ldscript = boards/nrf52840_s140_v7_extrafs.ld
 board_upload.maximum_size = 708608
 build_flags = ${t1000-e.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-orig
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40
diff --git a/variants/xiao_nrf52/platformio.ini b/variants/xiao_nrf52/platformio.ini
index f4d1b93e..44fcc56f 100644
--- a/variants/xiao_nrf52/platformio.ini
+++ b/variants/xiao_nrf52/platformio.ini
@@ -46,6 +46,7 @@ board_build.ldscript = boards/nrf52840_s140_v7_extrafs.ld
 board_upload.maximum_size = 708608
 build_flags =
   ${Xiao_nrf52.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-orig
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40
@@ -69,6 +70,7 @@ board_build.ldscript = boards/nrf52840_s140_v7_extrafs.ld
 board_upload.maximum_size = 708608
 build_flags =
   ${Xiao_nrf52.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-orig
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40
diff --git a/variants/xiao_s3/platformio.ini b/variants/xiao_s3/platformio.ini
index b59e69ae..47315b5f 100644
--- a/variants/xiao_s3/platformio.ini
+++ b/variants/xiao_s3/platformio.ini
@@ -94,6 +94,7 @@ lib_deps =
 extends = Xiao_S3
 build_flags =
   ${Xiao_S3.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-new
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40
@@ -122,6 +123,7 @@ platform_packages = framework-arduinoespressif32 @ symlink://D:/esp32-2.0.17
 extends = Xiao_S3
 build_flags =
   ${Xiao_S3.build_flags}
+  ${companion_rxps.build_flags}
   -I examples/companion_radio/ui-new
   -D MAX_CONTACTS=350
   -D MAX_GROUP_CHANNELS=40