remove git submodule esp32-camera and add to main repository.

lib/esp32-camera/.github/workflows/build.yml

@@ -0,0 +1,57 @@
+name: Build examples
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+
+jobs:
+  build-examples:
+    name: Build for ${{ matrix.idf_target }} on ${{ matrix.idf_ver }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        idf_ver: ["release-v4.1", "release-v4.2", "release-v4.3"]
+        idf_target: ["esp32", "esp32s2"]
+        exclude:
+          - idf_ver: "release-v4.1"
+            idf_target: esp32s2 # ESP32S2 support started with version 4.2
+    container: espressif/idf:${{ matrix.idf_ver }}
+    steps:
+      - uses: actions/checkout@v1
+        with:
+          submodules: 'true'
+      - name: esp-idf build
+        env:
+          IDF_TARGET: ${{ matrix.idf_target }}
+        shell: bash
+        working-directory: examples
+        run: |
+          . ${IDF_PATH}/export.sh
+          idf.py build
+  build-examples-pedantic:
+    name: Build for ${{ matrix.idf_target }} on ${{ matrix.idf_ver }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        idf_ver: ["release-v4.4", "release-v5.0", "release-v5.1", "latest"]
+        idf_target: ["esp32", "esp32s2", "esp32s3", "esp32c2", "esp32c3"]
+        exclude:
+          - idf_ver: "release-v4.4"
+            idf_target: esp32c2 # ESP32C2 support started with version 5.0
+    container: espressif/idf:${{ matrix.idf_ver }}
+    steps:
+      - uses: actions/checkout@v1
+        with:
+          submodules: 'true'
+      - name: esp-idf build
+        env:
+          IDF_TARGET: ${{ matrix.idf_target }}
+        shell: bash
+        working-directory: examples
+        run: |
+          . ${IDF_PATH}/export.sh
+          export PEDANTIC_FLAGS="-DIDF_CI_BUILD -Werror -Werror=deprecated-declarations -Werror=unused-variable -Werror=unused-but-set-variable -Werror=unused-function"
+          export EXTRA_CFLAGS="${PEDANTIC_FLAGS} -Wstrict-prototypes"
+          export EXTRA_CXXFLAGS="${PEDANTIC_FLAGS}"
+          idf.py build

lib/esp32-camera/.github/workflows/stale.yml

@@ -0,0 +1,27 @@
+# This workflow warns and then closes issues and PRs that have had no activity for a specified amount of time.
+#
+# You can adjust the behavior by modifying this file.
+# For more information, see:
+# https://github.com/actions/stale
+name: Mark stale issues and pull requests
+
+on:
+  schedule:
+  - cron: '20 9 * * *'
+
+jobs:
+  stale:
+
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+
+    steps:
+    - uses: actions/stale@v3
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        stale-issue-message: 'This issue appears to be stale. Please close it if its no longer valid.'
+        stale-pr-message: 'This pull request appears to be stale. Please close it if its no longer valid.'
+        stale-issue-label: 'no-issue-activity'
+        stale-pr-label: 'no-pr-activity'

lib/esp32-camera/.github/workflows/upload_component.yml

@@ -0,0 +1,19 @@
+name: Push component to https://components.espressif.com
+on:
+  push:
+    tags:
+      - v*
+jobs:
+  upload_components:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+        with:
+          submodules: "recursive"
+      - name: Upload component to the component registry
+        uses: espressif/github-actions/upload_components@master
+        with:
+          name: "esp32-camera"
+          namespace: "espressif"
+          version: ${{ github.ref_name }}
+          api_token: ${{ secrets.IDF_COMPONENT_API_TOKEN }}

lib/esp32-camera/.gitignore

@@ -0,0 +1,6 @@
+*.DS_Store
+.vscode
+**/build
+**/sdkconfig
+**/sdkconfig.old
+**/dependencies.lock

lib/esp32-camera/CMakeLists.txt

@@ -0,0 +1,98 @@
+# get IDF version for comparison
+set(idf_version "${IDF_VERSION_MAJOR}.${IDF_VERSION_MINOR}")
+
+# set conversion sources
+set(COMPONENT_SRCS
+  conversions/yuv.c
+  conversions/to_jpg.cpp
+  conversions/to_bmp.c
+  conversions/jpge.cpp
+  conversions/esp_jpg_decode.c
+  )
+
+set(COMPONENT_PRIV_INCLUDEDIRS
+  conversions/private_include
+  )
+
+set(COMPONENT_ADD_INCLUDEDIRS
+  driver/include
+  conversions/include
+  )
+
+set(COMPONENT_REQUIRES driver)
+
+# set driver sources only for supported platforms
+if(IDF_TARGET STREQUAL "esp32" OR IDF_TARGET STREQUAL "esp32s2" OR IDF_TARGET STREQUAL "esp32s3")
+  list(APPEND COMPONENT_SRCS
+    driver/esp_camera.c
+    driver/cam_hal.c
+    driver/sccb.c
+    driver/sensor.c
+    sensors/ov2640.c
+    sensors/ov3660.c
+    sensors/ov5640.c
+    sensors/ov7725.c
+    sensors/ov7670.c
+    sensors/nt99141.c
+    sensors/gc0308.c
+    sensors/gc2145.c
+    sensors/gc032a.c
+    sensors/bf3005.c
+    sensors/bf20a6.c
+    sensors/sc101iot.c
+    sensors/sc030iot.c
+    sensors/sc031gs.c
+    )
+
+  list(APPEND COMPONENT_PRIV_INCLUDEDIRS
+    driver/private_include
+    sensors/private_include
+    target/private_include
+    )
+
+  if(IDF_TARGET STREQUAL "esp32")
+    list(APPEND COMPONENT_SRCS
+      target/xclk.c
+      target/esp32/ll_cam.c
+      )
+  endif()
+
+  if(IDF_TARGET STREQUAL "esp32s2")
+    list(APPEND COMPONENT_SRCS
+      target/xclk.c
+      target/esp32s2/ll_cam.c
+      target/tjpgd.c
+      )
+
+    list(APPEND COMPONENT_PRIV_INCLUDEDIRS
+      target/esp32s2/private_include
+      )
+  endif()
+
+  if(IDF_TARGET STREQUAL "esp32s3")
+    list(APPEND COMPONENT_SRCS
+      target/esp32s3/ll_cam.c
+      )
+  endif()
+
+  set(COMPONENT_PRIV_REQUIRES freertos nvs_flash)
+
+  set(min_version_for_esp_timer "4.2")
+  if (idf_version VERSION_GREATER_EQUAL min_version_for_esp_timer)
+    list(APPEND COMPONENT_PRIV_REQUIRES esp_timer)
+  endif()
+
+endif()
+
+# CONFIG_ESP_ROM_HAS_JPEG_DECODE is available from IDF v4.4 but
+# previous IDF supported chips already support JPEG decoder, hence okay to use this
+if(idf_version VERSION_GREATER_EQUAL "4.4" AND NOT CONFIG_ESP_ROM_HAS_JPEG_DECODE)
+  list(APPEND COMPONENT_SRCS
+    target/tjpgd.c
+  )
+  list(APPEND COMPONENT_PRIV_INCLUDEDIRS
+    target/jpeg_include/
+  )
+endif()
+
+register_component()