sync during ir_recv dev

firmware/apps/_samples/ir_recv_sim/.gitignore

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+build*/

firmware/apps/_samples/ir_recv_sim/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.20.0)
+
+# 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(_mcumgr)
+
+target_sources(app PRIVATE src/main.c)

firmware/apps/_samples/ir_recv_sim/nrf52840dk_nrf52840.overlay

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+// To get started, press Ctrl+Space (or Option+Esc) to bring up the completion menu and view the available nodes.
+
+// You can also use the buttons in the sidebar to perform actions on nodes.
+// Actions currently available include:
+
+// * Enabling / disabling the node
+// * Adding the bus to a bus
+// * Removing the node
+// * Connecting ADC channels
+
+// For more help, browse the DeviceTree documentation at https://docs.zephyrproject.org/latest/guides/dts/index.html
+// You can also visit the nRF DeviceTree extension documentation at https://docs.nordicsemi.com/bundle/nrf-connect-vscode/page/guides/ncs_configure_app.html#devicetree-support-in-the-extension
+
+/ {
+	chosen {
+		nordic,pm-ext-flash = &mx25r64;
+	};
+};
+
+&pinctrl {
+    i2s0_default: i2s0_default {
+        group1 {
+            psels = <NRF_PSEL(I2S_SCK_M, 0, 31)>,   /* SCK Pin */
+                    <NRF_PSEL(I2S_LRCK_M, 0, 30)>,  /* WS/LRCK Pin */
+                    <NRF_PSEL(I2S_SDOUT, 0, 29)>;   /* SD Pin (DIN am MAX) */
+        };
+    };
+
+    i2s0_sleep: i2s0_sleep {
+        group1 {
+            psels = <NRF_PSEL(I2S_SCK_M, 0, 31)>,
+                    <NRF_PSEL(I2S_LRCK_M, 0, 30)>,
+                    <NRF_PSEL(I2S_SDOUT, 0, 29)>;
+            low-power-enable;
+        };
+    };
+};
+
+&i2s0 {
+    status = "okay";
+    pinctrl-0 = <&i2s0_default>;
+    pinctrl-1 = <&i2s0_sleep>;
+    pinctrl-names = "default", "sleep";
+};

firmware/apps/_samples/ir_recv_sim/pm_static.yml

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+littlefs_storage:
+  address: 0x0
+  size: 0x800000
+  region: external_flash

firmware/apps/_samples/ir_recv_sim/prj.conf

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+CONFIG_LOG=y
+
+# UART-Grundlagen
+CONFIG_SERIAL=y
+CONFIG_UART_INTERRUPT_DRIVEN=y
+
+# Shell-Konfiguration
+CONFIG_SHELL=y
+CONFIG_SHELL_BACKEND_SERIAL=y
+
+# Lasertag-spezifische Konfiguration
+CONFIG_LASERTAG_UTILS=y
+CONFIG_IR_RECV=y
+CONFIG_IR_RECV_LOG_LEVEL_DBG=y
+CONFIG_IR_RECV_SIMULATOR=y
+

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

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+#include <zephyr/kernel.h>
+#include <zephyr/logging/log.h>
+#include <lasertag_utils.h>
+#include <ir_recv.h>
+
+LOG_MODULE_REGISTER(ir_recv_sim, LOG_LEVEL_INF);
+
+int main(void)
+{
+    LOG_INF("Starting IR receive simulator application...");
+    lasertag_utils_init();
+    ir_recv_init();
+
+    ir_packet_t test_packet = {0};
+
+    LOG_INF("Sending perfect packet...");
+    test_packet.data.fields.type = 1;
+    test_packet.data.fields.id = 42;
+    test_packet.data.fields.value = 15;
+    ir_recv_sim_send_packet(&test_packet, NULL);
+    
+    k_msleep(100);
+
+    LOG_INF("Sending noisy packet with high jitter...");
+    test_packet.data.fields.id = 255;
+    
+    ir_sim_error_t ext_error = {
+        .noise_flips_per_8 = 1, /* 2 von 8 Samples pro Block sind falsch */
+        .jitter_mark = 1,       /* Mark schwankt zwischen 6 und 10 Samples */
+        .jitter_space_0 = 1,    /* Space0 schwankt zwischen 4 und 12 Samples */
+        .jitter_space_1 = 1     /* Space1 schwankt zwischen 14 und 18 Samples */
+    };
+    ir_recv_sim_send_packet(&test_packet, &ext_error);
+
+    return 0;
+}

firmware/apps/_samples/ir_recv_sim/tool/requirements.txt

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+pyserial
+cbor2

firmware/apps/_samples/ir_recv_sim/tool/tool.py

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+import serial
+import base64
+import cbor2
+import struct
+import time
+import argparse
+import sys
+
+# Icons (NerdFont / Emoji)
+ICON_DIR = "📁" 
+ICON_FILE = "📄"
+
+class nRF_FS_Client:
+    def __init__(self, port, baud):
+        try:
+            self.ser = serial.Serial(port, baud, timeout=0.2)
+            self.seq = 0
+            self.ser.reset_input_buffer()
+        except serial.SerialException as e:
+            print(f"Fehler: Konnte {port} nicht öffnen ({e})")
+            sys.exit(1)
+
+    def crc16(self, data):
+        crc = 0x0000
+        for byte in data:
+            crc ^= (byte << 8)
+            for _ in range(8):
+                if crc & 0x8000:
+                    crc = (crc << 1) ^ 0x1021
+                else:
+                    crc = crc << 1
+                crc &= 0xFFFF
+        return crc
+
+    def build_packet(self, group, cmd, payload):
+        self.seq = (self.seq + 1) % 256
+        cbor_payload = cbor2.dumps(payload)
+        header = struct.pack(">BBHHBB", 0x00, 0x08, len(cbor_payload), group, self.seq, cmd)
+        full_body = header + cbor_payload
+        checksum = self.crc16(full_body)
+        full_msg = full_body + struct.pack(">H", checksum)
+        return struct.pack(">H", len(full_msg)) + full_msg
+
+    def request(self, group, cmd, payload):
+        packet = self.build_packet(group, cmd, payload)
+        b64_data = base64.b64encode(packet).decode()
+        self.ser.write(f"\x06\t{b64_data}\n".encode())
+        
+        full_response_b64 = ""
+        expected_len = -1
+        start_time = time.time()
+        
+        while (time.time() - start_time) < 3.0:
+            line = self.ser.readline().strip()
+            if not line:
+                continue
+            
+            is_smp = line.startswith(b'\x06\t') or line.startswith(b'\x06\n')
+            is_cont_special = line.startswith(b'\x04\x14') and expected_len > 0
+
+            if is_smp or is_cont_special:
+                full_response_b64 += line[2:].decode()
+                try:
+                    raw_data = base64.b64decode(full_response_b64)
+                    if expected_len == -1 and len(raw_data) >= 2:
+                        expected_len = struct.unpack(">H", raw_data[:2])[0]
+                    
+                    if expected_len != -1 and len(raw_data) >= expected_len + 2:
+                        if raw_data[8] == self.seq:
+                            return cbor2.loads(raw_data[10:-2])
+                except:
+                    continue
+        return None
+
+    def list_recursive(self, path="/", prefix=""):
+        res = self.request(64, 0, {"path": path})
+        if res is None or 'files' not in res:
+            return
+
+        # Sortierung: Verzeichnisse zuerst, dann Namen
+        entries = sorted(res['files'], key=lambda x: (x.get('t', 'f') != 'd', x['n']))
+        count = len(entries)
+
+        for i, entry in enumerate(entries):
+            is_last = (i == count - 1)
+            name = entry['n']
+            is_dir = entry.get('t', 'f').startswith('d')
+            
+            # Line-Art Auswahl
+            # connector = "└── " if is_last else "├── "
+            connector = "└─ " if is_last else "├─ "
+
+
+            print(f"{prefix}{connector}{ICON_DIR if is_dir else ICON_FILE} {name}")
+            
+            if is_dir:
+                # Prefix für die nächste Ebene erweitern
+                extension = "   " if is_last else "│  "
+                sub_path = f"{path}/{name}".replace("//", "/")
+                self.list_recursive(sub_path, prefix + extension)
+
+    def close(self):
+        if hasattr(self, 'ser') and self.ser.is_open:
+            self.ser.close()
+
+def main():
+    parser = argparse.ArgumentParser(description="nRF52840 LittleFS Tree Tool")
+    parser.add_argument("port", help="Serieller Port (z.B. /dev/cu.usbmodem...)")
+    args = parser.parse_args()
+
+    client = nRF_FS_Client(args.port, 115200)
+    print(f"--- Dateistruktur auf nRF ({args.port}) ---")
+    try:
+        # Initialer Aufruf
+        client.list_recursive("/")
+    finally:
+        client.close()
+
+if __name__ == "__main__":
+    main()