add some code

managed_components/espressif__esp-dsp/modules/conv/include/dspi_conv.h

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+// Copyright 2024 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.
+
+#ifndef _dspi_conv_H_
+#define _dspi_conv_H_
+#include "dsp_err.h"
+
+#include "dsps_conv_platform.h"
+#include "dsp_types.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**@{*/
+/**
+ * @brief   2D Convolution
+ *
+ * The function convolve Signal image with Kernel (filter) image.
+ * The implementation use ANSI C and could be compiled and run on any platform
+ *
+ * @param[in] in_image:  input image
+ * @param[in] filter:    input array with convolution kernel
+ * @param[out] out_image: output image. The stride and step parameters must be set.
+ *
+ * @return
+ *      - ESP_OK on success
+ *      - One of the error codes from DSP library
+ */
+esp_err_t dspi_conv_f32_ansi(const image2d_t *in_image, const image2d_t *filter, image2d_t *out_image);
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#ifdef CONFIG_DSP_OPTIMIZED
+#define dspi_conv_f32 dspi_conv_f32_ansi
+#else
+#define dspi_conv_f32 dspi_conv_f32_ansi
+#endif // CONFIG_DSP_OPTIMIZED
+
+#endif // _dspi_conv_H_