Added IR Lib, samples and specification

firmware/apps/_samples/ir_send/CMakeLists.txt

@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.20)
+
+# Tell Zephyr to look into our libs folder for extra modules
+list(APPEND ZEPHYR_EXTRA_MODULES ${CMAKE_CURRENT_SOURCE_DIR}/../../../libs)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(ir_send)
+
+# Define application source files
+target_sources(app PRIVATE src/main.c)

firmware/apps/_samples/ir_send/Kconfig

@@ -0,0 +1,13 @@
+config IR_SEND_SAMPLE_BURST_US
+	int "IR test burst length (microseconds)"
+	default 1000
+	range 50 100000
+	help
+	  Duration of the carrier burst for each test pulse in the sample app.
+
+config IR_SEND_SAMPLE_PERIOD_MS
+	int "IR test burst period (milliseconds)"
+	default 1000
+	range 10 60000
+	help
+	  Interval between consecutive test bursts in the sample app.

firmware/apps/_samples/ir_send/boards/nrf52840dk_nrf52840.overlay

@@ -0,0 +1 @@
+../../../../boards/nrf52840dk/nrf52840dk_nrf52840.overlay

firmware/apps/_samples/ir_send/prj.conf

@@ -0,0 +1,13 @@
+# Logging
+CONFIG_LOG=y
+
+# IR Send Library
+CONFIG_IR_SEND=y
+
+# PWM driver for IR carrier
+CONFIG_PWM=y
+CONFIG_PWM_NRFX=y
+
+# Sample test configuration
+CONFIG_IR_SEND_SAMPLE_BURST_US=1000
+CONFIG_IR_SEND_SAMPLE_PERIOD_MS=1000

firmware/apps/_samples/ir_send/src/main.c

@@ -0,0 +1,37 @@
+/*
+ * ir_send sample app - IR transmission test
+ */
+
+#include <zephyr/kernel.h>
+#include <zephyr/logging/log.h>
+
+#include "ir_send.h"
+
+LOG_MODULE_REGISTER(ir_send);
+
+int main(void)
+{
+	LOG_INF("=== IR Send Sample ===");
+	LOG_INF("Board: %s", CONFIG_BOARD);
+
+	int ret = ir_send_init();
+	if (ret != 0) {
+		LOG_ERR("Failed to initialize IR send: %d", ret);
+		return ret;
+	}
+
+	ir_send_set_frequency(CONFIG_IR_SEND_CARRIER_HZ);
+	LOG_INF("Ready to test IR transmission (burst %u us every %u ms @ %u Hz)",
+	        CONFIG_IR_SEND_SAMPLE_BURST_US,
+	        CONFIG_IR_SEND_SAMPLE_PERIOD_MS,
+	        CONFIG_IR_SEND_CARRIER_HZ);
+
+	while (true) {
+		ret = ir_send_pulse(CONFIG_IR_SEND_SAMPLE_BURST_US);
+		if (ret != 0) {
+			LOG_ERR("ir_send_pulse failed: %d", ret);
+		}
+		k_msleep(CONFIG_IR_SEND_SAMPLE_PERIOD_MS);
+	}
+}
+

firmware/apps/leader/CMakeLists.txt

@@ -3,6 +3,9 @@ cmake_minimum_required(VERSION 3.20)
 # Tell Zephyr to look into our libs folder for extra modules
 list(APPEND ZEPHYR_EXTRA_MODULES ${CMAKE_CURRENT_SOURCE_DIR}/../../libs)
 
+# Set board root to find custom board overlays in firmware/boards
+set(BOARD_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../..)
+
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(lasertag_leader)
 

firmware/apps/weapon/CMakeLists.txt

@@ -3,6 +3,9 @@ cmake_minimum_required(VERSION 3.20)
 # Zephyr mitteilen, dass unsere Libs Teil des Projekts sind
 list(APPEND ZEPHYR_EXTRA_MODULES ${CMAKE_CURRENT_SOURCE_DIR}/../../libs)
 
+# Set board root to find custom board overlays in firmware/boards
+set(BOARD_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../..)
+
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(lasertag_weapon)