dsps_d_gen.c

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// Copyright 2018-2019 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.
 
#include "dsps_d_gen.h"
 
esp_err_t dsps_d_gen_f32(float *output, int len, int pos)
{
    if (pos >= len) {
        return ESP_ERR_DSP_PARAM_OUTOFRANGE;
    }
    if (pos <    0) {
        return ESP_ERR_DSP_PARAM_OUTOFRANGE;
    }
    for (int i = 0 ; i < len ; i++) {
        output[i] = 0;
    }
    output[pos] = 1;
    return ESP_OK;
}