Files
ESPDocs/public/exemplos/zh-CN/esp-sr.c
T

99 lines
3.2 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
/*
* 面向 ESP32-S3 / ESP32-P4 的 ESP-SR 示例
* 离线本地语音识别(WakeNet + MultiNet)
*
* 依赖(idf_component.yml):
* espressif/esp-sr: "^1.5.0"
*/
#include <stdio.h>
#include <stdlib.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_log.h"
#include "esp_wn_iface.h"
#include "esp_wn_models.h"
#include "esp_mn_iface.h"
#include "esp_mn_models.h"
#include "esp_afe_sr_iface.h"
#include "esp_afe_sr_models.h"
static const char *TAG = "app_voice_sr";
void feed_audio_task(void *arg)
{
esp_afe_sr_data_t *afe_data = (esp_afe_sr_data_t *)arg;
int audio_chunksize = afe_handle->get_feed_chunksize(afe_data);
int16_t *feed_buff = (int16_t *)malloc(audio_chunksize * sizeof(int16_t) * 2);
while (1) {
// 从开发板麦克风读取 I2S 音频
// i2s_read(I2S_NUM_0, feed_buff, ...);
afe_handle->feed(afe_data, feed_buff);
vTaskDelay(pdMS_TO_TICKS(10));
}
free(feed_buff);
vTaskDelete(NULL);
}
void speech_recognition_task(void *arg)
{
esp_afe_sr_data_t *afe_data = (esp_afe_sr_data_t *)arg;
const esp_afe_sr_iface_t *afe_handle = &ESP_AFE_SR_HANDLE;
// 初始化语音命令模型(MultiNet)
const esp_mn_iface_t *multinet = &ESP_MN_HANDLE;
model_iface_data_t *model_data = multinet->create(&MULTINET_MODEL, 6000);
ESP_LOGI(TAG, "Aguardando palavra-chave de ativação (ex: 'Hi, ESP')...");
while (1) {
afe_fetch_result_t *res = afe_handle->fetch(afe_data);
if (!res || res->ret_value == ESP_FAIL) {
continue;
}
// 1. 唤醒词(Wake Word)检测
if (res->wake_word_detected == WAKENET_DETECTED) {
ESP_LOGW(TAG, ">>> PALAVRA-CHAVE DETECTADA! Canal de escuta aberto.");
}
// 2. 本地命令识别
if (res->raw_data_size > 0) {
esp_mn_state_t mn_state = multinet->detect(model_data, res->data);
if (mn_state == ESP_MN_STATE_DETECTED) {
esp_mn_results_t *mn_res = multinet->get_results(model_data);
ESP_LOGI(TAG, ">>> COMANDO RECONHECIDO: ID #%d (Frase correspondente)", mn_res->command_id[0]);
// 操作示例
if (mn_res->command_id[0] == 1) {
ESP_LOGI(TAG, "Ação: Ligar Luz da Sala");
} else if (mn_res->command_id[0] == 2) {
ESP_LOGI(TAG, "Ação: Desligar Luz da Sala");
}
} else if (mn_state == ESP_MN_STATE_TIMEOUT) {
ESP_LOGI(TAG, "Tempo esgotado. Retornando ao modo de escuta de Wake Word.");
}
}
}
vTaskDelete(NULL);
}
void app_main(void)
{
ESP_LOGI(TAG, "Iniciando ESP-SR Speech Recognition Engine");
// 配置音频前端流水线(AEC、BSS、VAD、WakeNet)
afe_config_t afe_config = AFE_CONFIG_DEFAULT();
afe_config.wakenet_init = true;
afe_config.voice_communication_init = false;
esp_afe_sr_data_t *afe_data = ESP_AFE_SR_HANDLE.create_from_config(&afe_config);
// 创建音频输入和识别任务
xTaskCreatePinnedToCore(feed_audio_task, "feed_task", 4096, afe_data, 5, NULL, 0);
xTaskCreatePinnedToCore(speech_recognition_task, "sr_task", 8192, afe_data, 5, NULL, 1);
}