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| // Copyright 2022 Espressif Systems (Shanghai) PTE LTD | ||
| // | ||
| // 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. | ||
|
|
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| #pragma once | ||
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| #include <stdint.h> | ||
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| /** | ||
| * @brief structure to club data dims | ||
| * this structure can be used for input, output and filter | ||
| */ | ||
| typedef struct data_dims { | ||
| int32_t width; | ||
| int32_t height; | ||
| int32_t channels; | ||
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| int32_t extra; // can be used as batch or any other param | ||
| } data_dims_t; | ||
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| /** | ||
| * @brief 2d data structure (width, height) | ||
| * | ||
| */ | ||
| typedef struct data_2d { | ||
| int32_t width; | ||
| int32_t height; | ||
| } data_2d_t; | ||
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|
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| /** | ||
| * @brief min/max activation | ||
| */ | ||
| typedef struct act_params { | ||
| int32_t min; | ||
| int32_t max; | ||
| } act_params_t; | ||
|
|
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| /** | ||
| * @brief per channel quant data | ||
| * | ||
| * @note number of shift and mult elements are equal to output channels | ||
| */ | ||
| typedef struct quant_data { | ||
| int32_t *shift; | ||
| int32_t *mult; | ||
| } quant_data_t; | ||
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| /** | ||
| * @brief params specific to convolution 2d | ||
| * | ||
| */ | ||
| typedef struct conv_params { | ||
| int32_t in_offset; | ||
| int32_t out_offset; | ||
| data_2d_t stride; | ||
| data_2d_t padding; | ||
| data_2d_t dilation; | ||
| act_params_t activation; | ||
| } conv_params_t; | ||
|
|
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| /** | ||
| * @brief params specific to depthwise convolution 2d | ||
| * | ||
| */ | ||
| typedef struct dw_conv_params { | ||
| int32_t in_offset; | ||
| int32_t out_offset; | ||
| int32_t ch_mult; // channel multiplier. (in_ch * ch_mult = out_ch) | ||
| data_2d_t stride; | ||
| data_2d_t padding; | ||
| data_2d_t dilation; | ||
| act_params_t activation; | ||
| } dw_conv_params_t; |
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