Merge branch 'bugfix/fully_connected_mismatch' into 'master'

Bugfix: fixed wrong dims calculations leading fully connected mismatch

See merge request app-frameworks/esp-tflite-micro!156

Author: vikramdattu

.github/workflows/ci.yml

@@ -15,15 +15,8 @@ jobs:
   build:
     strategy:
       matrix:
-        idf_ver: ["release-v4.2", "release-v4.3", "release-v4.4", "release-v5.0", "release-v5.3"]
+        idf_ver: ["release-v4.4", "release-v5.0", "release-v5.3"]
         idf_target: ["esp32", "esp32s2", "esp32s3"]
-        exclude:
-          - idf_ver: "release-v4.2"
-            idf_target: esp32s2
-          - idf_ver: "release-v4.2"
-            idf_target: esp32s3
-          - idf_ver: "release-v4.3"
-            idf_target: esp32s3
         include:
           - idf_ver: "release-v4.4"
             idf_target: "esp32c3"

.gitlab-ci.yml

@@ -37,15 +37,15 @@ pre-commit-mr:
     - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
   tags: [build, internet]
 
-include:
-  - project: espressif/shared-ci-dangerjs
-    ref: master
-    file: danger.yaml
-run-danger-mr-linter:
-  before_script:
-    - echo "Skip common before script"
-  stage: pre-check
-  tags: [build, internet]
+# include:
+#   - project: espressif/shared-ci-dangerjs
+#     ref: master
+#     file: danger.yaml
+# run-danger-mr-linter:
+#   before_script:
+#     - echo "Skip common before script"
+#   stage: pre-check
+#   tags: [build, internet]
 
 before_script:
     - mkdir -p ~/.ssh

tensorflow/lite/micro/kernels/esp_nn/fully_connected.cc

@@ -160,8 +160,9 @@ TfLiteStatus FullyConnectedEval(TfLiteContext* context, TfLiteNode* node) {
           TFLITE_DCHECK_GE(filter_shape.DimensionsCount(), 2);
           TFLITE_DCHECK_GE(output_shape.DimensionsCount(), 1);
           const int filter_dim_count = filter_shape.DimensionsCount();
-          const int batches = output_shape.Dims(0);
-          const int output_depth = output_shape.Dims(1);
+          const int output_dim_count = output_shape.DimensionsCount();
+          const int batches = FlatSizeSkipDim(output_shape, output_dim_count - 1);
+          const int output_depth = output_shape.Dims(output_dim_count - 1);
           TFLITE_DCHECK_LE(output_depth, filter_shape.Dims(filter_dim_count - 2));
           const int accum_depth = filter_shape.Dims(filter_dim_count - 1);