ei-cpp-export/edge-impulse-sdk/classifier/ei_classifier_config.h

/*
 * Copyright (c) 2022 EdgeImpulse Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS
 * IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef _EI_CLASSIFIER_CONFIG_H_
#define _EI_CLASSIFIER_CONFIG_H_

// clang-format off

// This is a file that's only used in benchmarking to override HW optimized kernels
#ifdef __has_include
    #if __has_include("source/benchmark.h")
    #include "source/benchmark.h"
    #endif
#endif

#if EI_CLASSIFIER_TFLITE_ENABLE_SILABS_MVP == 1
    #define EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN        0
    #define EI_CLASSIFIER_TFLITE_LOAD_CMSIS_NN_SOURCES  1
#endif

#ifndef EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN
#if defined(__MBED__)
    #include "mbed_version.h"
    #if (MBED_VERSION < MBED_ENCODE_VERSION((5), (7), (0)))
        #define EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN      0
    #else
        #define EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN      1
    #endif // Mbed OS 5.7 version check

// __ARM_ARCH_PROFILE is a predefine of arm-gcc.  __TARGET_* is armcc
#elif __ARM_ARCH_PROFILE == 'M' || defined(__TARGET_CPU_CORTEX_M0) || defined(__TARGET_CPU_CORTEX_M0PLUS) || defined(__TARGET_CPU_CORTEX_M3) || defined(__TARGET_CPU_CORTEX_M4) || defined(__TARGET_CPU_CORTEX_M7) || defined(ARDUINO_NRF52_ADAFRUIT)
    #define EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN      1
#else
    #define EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN      0
#endif
#endif // EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN

// CMSIS-NN falls back to reference kernels when __ARM_FEATURE_DSP and __ARM_FEATURE_MVE are not defined
// we should never use those... So disable CMSIS-NN in that case and throw a warning
#if EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN == 1
    #if !defined(__ARM_FEATURE_DSP) && !defined(__ARM_FEATURE_MVE)
        #pragma message( \
            "CMSIS-NN enabled, but neither __ARM_FEATURE_DSP nor __ARM_FEATURE_MVE defined. Falling back.")
        #undef EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN
        #define EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN 0
    #endif
#endif // EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN == 1

#if EI_CLASSIFIER_TFLITE_ENABLE_CMSIS_NN == 1
#define CMSIS_NN                                     1
#define EI_CLASSIFIER_TFLITE_LOAD_CMSIS_NN_SOURCES   1
#endif

#ifndef EI_CLASSIFIER_TFLITE_ENABLE_ARC
#ifdef CPU_ARC
#define EI_CLASSIFIER_TFLITE_ENABLE_ARC             1
#else
#define EI_CLASSIFIER_TFLITE_ENABLE_ARC             0
#endif // CPU_ARC
#endif // EI_CLASSIFIER_TFLITE_ENABLE_ARC

#ifndef EI_CLASSIFIER_TFLITE_ENABLE_ESP_NN
    #if defined(ESP32)
        #define EI_CLASSIFIER_TFLITE_ENABLE_ESP_NN      1
    #endif // ESP32 check
#endif

// no include checks in the compiler? then just include metadata and then ops_define (optional if on EON model)
#ifndef __has_include
    #include "model-parameters/model_metadata.h"
    #if (EI_CLASSIFIER_INFERENCING_ENGINE == EI_CLASSIFIER_TFLITE) && (EI_CLASSIFIER_COMPILED == 1)
        #include "tflite-model/trained_model_ops_define.h"
    #endif
#else
    #if __has_include("tflite-model/trained_model_ops_define.h")
    #include "tflite-model/trained_model_ops_define.h"
    #endif
#endif // __has_include

// clang-format on
#endif // _EI_CLASSIFIER_CONFIG_H_