From a27af14e815ef993e9a0c94e5bc8b32dbf989a94 Mon Sep 17 00:00:00 2001
From: Filip Wandzio <contact@philw.dev>
Date: Wed, 29 Oct 2025 13:29:27 +0100
Subject: Solve baud detection bug, fix wifi searching task scheduling bug,
 improve documentation, implement additional mqtt topics

---
 firmware/Makefile | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

(limited to 'firmware/Makefile')

diff --git a/firmware/Makefile b/firmware/Makefile
index 0fd1699..0595792 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -9,7 +9,29 @@ BUILD_FLAGS = -D WIFI_SSID="\\\"$(WIFI_SSID)\\\"" \
               -D WIFI_PASS="\\\"$(WIFI_PASS)\\\"" \
               -D MQTT_URI="\\\"$(MQTT_URI)\\\""
 
-.PHONY: build upload monitor clean debug-flags test
+PORT ?= $(shell ls /dev/ttyUSB* /dev/ttyACM* 2>/dev/null | head -n 1)
+
+ifdef BAUD
+  BAUD := $(BAUD)
+else ifneq ("$(wildcard .baud_detected)","")
+  BAUD := $(shell cat .baud_detected)
+else
+  BAUD := 115200
+endif
+
+detect-baud:
+	@echo "[*] Detecting correct baud rate..."
+	@if screen -L -dmS test_screen $(PORT) 74880; then \
+		sleep 1; \
+		grep -q "rst:" screenlog.0 && echo "74880" > .baud_detected || echo "115200" > .baud_detected; \
+		rm -f screenlog.0; \
+		screen -S test_screen -X quit; \
+	else \
+		echo "115200" > .baud_detected; \
+	fi
+	@echo "[✓] Set BAUD=$$(cat .baud_detected)"
+
+.PHONY: build upload monitor clean debug-flags test detect-baud
 
 build:
 	@echo "Starting build with SSID=$(WIFI_SSID)"
@@ -20,7 +42,11 @@ upload:
 	PLATFORMIO_BUILD_FLAGS="$(BUILD_FLAGS)" pio run -e $(ENV) -t upload
 
 monitor:
-	pio device monitor -e $(ENV)
+	@PORT=$(PORT); \
+	BAUD=$(BAUD); \
+	if [ -z "$$PORT" ]; then echo "[ERROR] Port /dev/ttyUSB* or /dev/ttyACM* not found"; exit 1; fi; \
+	echo "[*] Opening monitor: $$PORT @ $$BAUD baud"; \
+	screen $$PORT $$BAUD
 
 clean:
 	pio run -e $(ENV) -t clean
-- 
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