fix: add ESP32-C5 support with bootloader offset 0x2000

- ESP32-C5/XIAO_ESP32C5 uses 0x2000 for bootloader (different from C3/C6)
- Updated build-firmware.yml, generate-flasher.py, build-local.sh

Author: limengdu

.github/workflows/build-firmware.yml

@@ -168,6 +168,10 @@ jobs:
           elif [[ "${{ matrix.board }}" == *"esp32s2"* ]]; then
             CHIP_FAMILY="ESP32-S2"
             BOOTLOADER_OFFSET=4096  # 0x1000
+          elif [[ "${{ matrix.board }}" == *"esp32c5"* ]] || [[ "${{ matrix.board }}" == *"XIAO_ESP32C5"* ]]; then
+            # ESP32-C5 uses 0x2000 for bootloader | ESP32-C5 的 bootloader 偏移为 0x2000
+            CHIP_FAMILY="ESP32-C5"
+            BOOTLOADER_OFFSET=8192  # 0x2000
           elif [[ "${{ matrix.board }}" == *"esp32c3"* ]]; then
             CHIP_FAMILY="ESP32-C3"
             BOOTLOADER_OFFSET=0

docs/flasher/build-local.sh

@@ -156,7 +156,10 @@ build_firmware() {
     local bootloader_offset=0
     case "$chip_family" in
         "ESP32"|"ESP32-S2")
-            bootloader_offset=4096
+            bootloader_offset=4096   # 0x1000
+            ;;
+        "ESP32-C5")
+            bootloader_offset=8192   # 0x2000 - ESP32-C5 specific
             ;;
         *)
             bootloader_offset=0

docs/flasher/generate-flasher.py

@@ -47,6 +47,12 @@
         "boot_app0": 0xe000,
         "firmware": 0x10000
     },
+    "ESP32-C5": {
+        "bootloader": 0x2000,  # ESP32-C5 uses 0x2000 | ESP32-C5 使用 0x2000
+        "partitions": 0x8000,
+        "boot_app0": 0xe000,
+        "firmware": 0x10000
+    },
     "ESP32-C6": {
         "bootloader": 0x0,
         "partitions": 0x8000,