add some code

managed_components/espressif__esp-dsp/modules/support/misc/dsps_d_gen.c

@@ -0,0 +1,30 @@
+// 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;
+}

managed_components/espressif__esp-dsp/modules/support/misc/dsps_h_gen.c

@@ -0,0 +1,32 @@
+// 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_h_gen.h"
+
+esp_err_t dsps_h_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 < pos ; i++) {
+        output[i] = 0;
+    }
+    for (int i = pos ; i < len ; i++) {
+        output[i] = 1;
+    }
+    return ESP_OK;
+}

managed_components/espressif__esp-dsp/modules/support/misc/dsps_tone_gen.c

@@ -0,0 +1,39 @@
+// 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_tone_gen.h"
+#include <math.h>
+
+esp_err_t dsps_tone_gen_f32(float *output, int len, float Ampl, float freq, float phase)
+{
+    if (freq >= 1) {
+        return ESP_ERR_DSP_INVALID_PARAM;
+    }
+    if (freq <= -1) {
+        return ESP_ERR_DSP_INVALID_PARAM;
+    }
+    float ph = phase / 180 * M_PI;
+    float fr  = 2 * M_PI * freq;
+    for (int i = 0 ; i < len ; i++) {
+        output[i] = Ampl * sin(ph);
+        ph += fr;
+        if (ph > 2 * M_PI) {
+            ph -= 2 * M_PI;
+        }
+        if (ph < -2 * M_PI) {
+            ph += 2 * M_PI;
+        }
+    }
+    return ESP_OK;
+}