pinebuds/apps/voice_detector/voice_detector.c

#include "analog.h"
#include "audioflinger.h"
#include "hal_aud.h"
#include "hal_cmu.h"
#include "hal_sleep.h"
#include "hal_timer.h"
#include "hal_trace.h"
//#include "app_audio.h"
#include "app_utils.h"
#include "audio_dump.h"
#include "speech_ssat.h"
#include "voice_detector.h"
#include <string.h>

#include "pmu.h"
#ifdef __CYBERON
#include "CSpotterSDKApi.h"
#endif

#ifdef I2C_VAD
#include "vad_sensor.h"
#endif

/* This macro is used to show trace info for debugging */
#define VD_DEBUG

#ifdef VD_DEBUG
#define VD_LOG TRACE
#else
#define VD_LOG(...)                                                            \
  do {                                                                         \
  } while (0)
#endif

#ifdef VD_TEST
#define VD_TRACE TRACE
#else
#define VD_TRACE(...)                                                          \
  do {                                                                         \
  } while (0)
#endif

#define CMD_QUEUE_DATA_SIZE 15

struct command_queue {
  int idx;
  int out;
  int data[CMD_QUEUE_DATA_SIZE];
};

struct voice_detector_dev {
  uint8_t init;
  uint8_t dfl;
  uint8_t run;
  enum voice_detector_state state;
  uint32_t wakeup_cnt;
  uint32_t arguments[VOICE_DET_CB_QTY];
  voice_detector_cb_t callback[VOICE_DET_CB_QTY];
  struct command_queue cmd_queue;
  struct AUD_VAD_CONFIG_T conf;
  struct AF_STREAM_CONFIG_T cap_conf;
  struct AF_STREAM_CONFIG_T ply_conf;
  struct CODEC_VAD_BUF_INFO_T vad_buf_info;
  uint32_t sys_clk;
};

static struct voice_detector_dev voice_det_devs[VOICE_DETECTOR_QTY];
uint32_t vad_buf_len = 0;

short vad_buf[VAD_BUFFER_LEN] = {0};

#ifdef __CYBERON
static uint32_t POSSIBLY_UNUSED cyb_buf[20 * 1024];
static uint32_t POSSIBLY_UNUSED cyb_buf_used = 0;

extern unsigned char __g_cybase_start[];
extern unsigned char __g_cygroup_start[];
#define BASE_MODEL_DATA (__g_cybase_start)
#define COMMAND_MODEL_DATA (__g_cygroup_start)
HANDLE h_CSpotter = NULL;
#endif

static void voice_detector_vad_callback(int found);
static void voice_detector_exec_callback(struct voice_detector_dev *pdev,
                                         enum voice_detector_cb_id id);

#define to_voice_dev(id) (&voice_det_devs[(id)])

static int cmd_queue_enqueue(struct command_queue *q, int c) {
  if (q->idx >= CMD_QUEUE_DATA_SIZE) {
    VD_LOG(2, "%s, overflow cmd=%d", __func__, c);
    return -2;
  }
  if (q->idx < 0) {
    q->idx = 0;
  }
  q->data[q->idx++] = c;
  //    VD_LOG(2, "%s, cmd=%d", __func__, c);
  return 0;
}

static int cmd_queue_dequeue(struct command_queue *q) {
  int cmd;

  if (q->idx < 0) {
    //        VD_LOG(1, "%s, empty", __func__);
    return -2;
  }
  if (q->out < 0) {
    q->out = 0;
  }
  cmd = q->data[q->out++];
  if (q->out >= q->idx) {
    q->out = -1;
    q->idx = -1;
  }
  //    VD_LOG(2, "%s, cmd=%d", __func__, cmd);
  return cmd;
}

static int cmd_queue_is_empty(struct command_queue *q) {
  return (q->idx < 0) ? 1 : 0;
}

static void voice_detector_init_cmd_queue(struct command_queue *q) {
  if (q) {
    q->idx = -1;
    q->out = -1;
  }
}

static void voice_detector_init_vad(struct AUD_VAD_CONFIG_T *c, int id,
                                    enum AUD_VAD_TYPE_T vad_type) {
  if (c) {
    c->type = vad_type;
#ifdef VAD_USE_8K_SAMPLE_RATE
    c->sample_rate = AUD_SAMPRATE_8000;
#else
    c->sample_rate = AUD_SAMPRATE_16000;
#endif
    c->bits = AUD_BITS_16;
    c->handler = voice_detector_vad_callback;
    c->udc = VAD_DEFAULT_UDC;
    c->upre = VAD_DEFAULT_UPRE;
#ifdef I2C_VAD
    c->frame_len = VAD_DEFAULT_SENSOR_FRAME_LEN;
#else
    c->frame_len = VAD_DEFAULT_MIC_FRAME_LEN;
#endif
    c->mvad = VAD_DEFAULT_MVAD;
    c->dig_mode = VAD_DEFAULT_DIG_MODE;
    c->pre_gain = VAD_DEFAULT_PRE_GAIN;
    c->sth = VAD_DEFAULT_STH;
    c->dc_bypass = VAD_DEFAULT_DC_BYPASS;
    c->frame_th[0] = VAD_DEFAULT_FRAME_TH0;
    c->frame_th[1] = VAD_DEFAULT_FRAME_TH0;
    c->frame_th[2] = VAD_DEFAULT_FRAME_TH0;
    c->range[0] = VAD_DEFAULT_RANGE0;
    c->range[1] = VAD_DEFAULT_RANGE1;
    c->range[2] = VAD_DEFAULT_RANGE2;
    c->range[3] = VAD_DEFAULT_RANGE3;
    c->psd_th[0] = VAD_DEFAULT_PSD_TH0;
    c->psd_th[1] = VAD_DEFAULT_PSD_TH1;
  }
}

int voice_detector_open(enum voice_detector_id id,
                        enum AUD_VAD_TYPE_T vad_type) {
  struct voice_detector_dev *pdev;

  if (id >= VOICE_DETECTOR_QTY) {
    VD_LOG(1, "%s, invalid id=%d", __func__, id);
    return -1;
  }

  pdev = to_voice_dev(id);
  if (pdev->init) {
    VD_LOG(1, "%s, dev already open", __func__);
    return -2;
  }
  if (pdev->run) {
    VD_LOG(1, "%s, dev not stoped", __func__);
    return -3;
  }

  memset(pdev, 0x0, sizeof(struct voice_detector_dev));
  memset(&pdev->cap_conf, 0x0, sizeof(struct AF_STREAM_CONFIG_T));
  memset(&pdev->ply_conf, 0x0, sizeof(struct AF_STREAM_CONFIG_T));
  voice_detector_init_cmd_queue(&pdev->cmd_queue);
  voice_detector_init_vad(&pdev->conf, id, vad_type);
  pdev->state = VOICE_DET_STATE_IDLE;
  pdev->run = 0;
  pdev->dfl = 1;
  pdev->init = 1;

  return 0;
}

void voice_detector_close(enum voice_detector_id id) {
  struct voice_detector_dev *pdev;

  if (id >= VOICE_DETECTOR_QTY) {
    VD_LOG(2, "%s, invalid id=%d", __func__, id);
    return;
  }

  pdev = to_voice_dev(id);
  if (pdev->init) {
    if (pdev->run) {
      cmd_queue_enqueue(&pdev->cmd_queue, VOICE_DET_CMD_EXIT);
    }
    pdev->init = 0;
  }
}

int voice_detector_setup_vad(enum voice_detector_id id,
                             struct AUD_VAD_CONFIG_T *conf) {
  struct voice_detector_dev *pdev;

  if (id >= VOICE_DETECTOR_QTY) {
    VD_LOG(2, "%s, invalid id=%d", __func__, id);
    return -1;
  }

  pdev = to_voice_dev(id);
  if (!pdev->init) {
    VD_LOG(1, "%s, dev not open", __func__);
    return -2;
  }

  if (conf) {
    memcpy(&pdev->conf, conf, sizeof(*conf));
    pdev->conf.handler = voice_detector_vad_callback;
    pdev->dfl = 0;
  }
  return 0;
}

int voice_detector_setup_stream(enum voice_detector_id id,
                                enum AUD_STREAM_T stream_id,
                                struct AF_STREAM_CONFIG_T *stream) {
  struct voice_detector_dev *pdev;

  if (id >= VOICE_DETECTOR_QTY) {
    VD_LOG(2, "%s, invalid id=%d", __func__, id);
    return -1;
  }

  pdev = to_voice_dev(id);
  if (!pdev->init) {
    VD_LOG(1, "%s, dev not open", __func__);
    return -2;
  }

  if (stream_id == AUD_STREAM_CAPTURE)
    memcpy(&pdev->cap_conf, stream, sizeof(struct AF_STREAM_CONFIG_T));
  else
    memcpy(&pdev->ply_conf, stream, sizeof(struct AF_STREAM_CONFIG_T));

  return 0;
}

int voice_detector_setup_callback(enum voice_detector_id id,
                                  enum voice_detector_cb_id func_id,
                                  voice_detector_cb_t func, void *param) {
  struct voice_detector_dev *pdev;

  if (id >= VOICE_DETECTOR_QTY) {
    VD_LOG(2, "%s, invalid id=%d", __func__, id);
    return -1;
  }

  pdev = to_voice_dev(id);
  if (!pdev->init) {
    VD_LOG(1, "%s, dev not open", __func__);
    return -2;
  }

  if (func_id >= VOICE_DET_CB_QTY) {
    VD_LOG(2, "%s, invalid func_id=%d", __func__, func_id);
    return -3;
  }
  pdev->arguments[func_id] = (uint32_t)param;
  pdev->callback[func_id] = func;
  return 0;
}

int voice_detector_send_cmd(enum voice_detector_id id,
                            enum voice_detector_cmd cmd) {
  int r;
  struct voice_detector_dev *pdev;

  if (id >= VOICE_DETECTOR_QTY) {
    VD_LOG(2, "%s, invalid id=%d", __func__, id);
    return -1;
  }
  pdev = to_voice_dev(id);

  r = cmd_queue_enqueue(&pdev->cmd_queue, (int)cmd);
  return r;
}

int voice_detector_send_cmd_array(enum voice_detector_id id, int *cmd_array,
                                  int num) {
  int r, i;
  struct voice_detector_dev *pdev;

  if (id >= VOICE_DETECTOR_QTY) {
    VD_LOG(2, "%s, invalid id=%d", __func__, id);
    return -1;
  }
  pdev = to_voice_dev(id);

  for (i = 0; i < num; i++) {
    r = cmd_queue_enqueue(&pdev->cmd_queue, cmd_array[i]);
    if (r)
      return r;
  }
  return 0;
}

enum voice_detector_state
voice_detector_query_status(enum voice_detector_id id) {
  struct voice_detector_dev *pdev;

  if (id >= VOICE_DETECTOR_QTY) {
    return VOICE_DET_STATE_IDLE;
  }
  pdev = to_voice_dev(id);

  VD_LOG(2, "%s, state=%d", __func__, pdev->state);
  return pdev->state;
}

static void voice_detector_vad_callback(int found) {
  struct voice_detector_dev *pdev;
  enum voice_detector_id id = VOICE_DETECTOR_ID_0;

  pdev = to_voice_dev(id);

  pdev->wakeup_cnt++;

  VD_LOG(3, "%s, voice detector[%d], wakeup_cnt=%d", __func__, id,
         pdev->wakeup_cnt);

  if (pdev->wakeup_cnt == 1) {
    /*
     * VOICE_DET_CB_APP should be called only once
     * after CPU is waked up from sleeping.
     * The VAD already can gernerates interrupts at this monment or later.
     */
    voice_detector_exec_callback(pdev, found ? VOICE_DET_FIND_APP
                                             : VOICE_DET_NOT_FIND_APP);
  }
}

static int voice_detector_vad_open(struct voice_detector_dev *pdev) {
  struct AUD_VAD_CONFIG_T *c = &pdev->conf;

  if (pdev->dfl) {
    VD_LOG(1, "%s, use dfl vad", __func__);
  }
  af_vad_open(c);
#ifdef I2C_VAD
  vad_sensor_open();
#endif
  return 0;
}

static int voice_detector_vad_start(struct voice_detector_dev *pdev) {
  /* wakeup_cnt is cleared while VAD starts */
  pdev->wakeup_cnt = 0;
  af_vad_start();
#ifdef I2C_VAD
  vad_sensor_engine_start();
#endif
  return 0;
}

static int voice_detector_vad_stop(struct voice_detector_dev *pdev) {
  af_vad_stop();

#ifdef I2C_VAD
  vad_sensor_engine_stop();
#else
  /* get vad buf info after stopping it */
  af_vad_get_data_info(&(pdev->vad_buf_info));
  TRACE(4,
        "vad_buf base_addr:0x%x, buf_size:0x%x, data_count:%d, addr_count:%d",
        pdev->vad_buf_info.base_addr, pdev->vad_buf_info.buf_size,
        pdev->vad_buf_info.data_count, pdev->vad_buf_info.addr_count);
#if defined(CHIP_BEST2300)
  vad_buf_len = pdev->vad_buf_info.data_count / 2;
#else
  vad_buf_len = pdev->vad_buf_info.data_count;
#endif
#endif
  return 0;
}

void voice_detector_get_vad_data_info(
    enum voice_detector_id id, struct CODEC_VAD_BUF_INFO_T *vad_buf_info) {

  struct voice_detector_dev *pdev;

  pdev = to_voice_dev(id);

  vad_buf_info->base_addr = pdev->vad_buf_info.base_addr;
  vad_buf_info->buf_size = pdev->vad_buf_info.buf_size;
  vad_buf_info->data_count = pdev->vad_buf_info.data_count;
  vad_buf_info->addr_count = pdev->vad_buf_info.addr_count;
}

static int voice_detector_vad_close(struct voice_detector_dev *pdev) {
#ifdef I2C_VAD
  vad_sensor_close();
#endif
  af_vad_close();
  return 0;
}

static int voice_detector_aud_cap_open(struct voice_detector_dev *pdev) {
  struct AF_STREAM_CONFIG_T *conf = &pdev->cap_conf;

  if ((!conf->handler) || (!conf->data_ptr)) {
    VD_LOG(1, "%s, capture stream is null", __func__);
    return -1;
  }
  af_stream_open(AUD_STREAM_ID_0, AUD_STREAM_CAPTURE, conf);
  return 0;
}

static int voice_detector_aud_cap_start(struct voice_detector_dev *pdev) {
  af_stream_start(AUD_STREAM_ID_0, AUD_STREAM_CAPTURE);
  return 0;
}

static int voice_detector_aud_cap_stop(struct voice_detector_dev *pdev) {
  af_stream_stop(AUD_STREAM_ID_0, AUD_STREAM_CAPTURE);
  return 0;
}

static int voice_detector_aud_cap_close(struct voice_detector_dev *pdev) {
  af_stream_close(AUD_STREAM_ID_0, AUD_STREAM_CAPTURE);
  return 0;
}

static int voice_detector_sys_clk(struct voice_detector_dev *pdev) {
#ifdef VD_TEST
  app_sysfreq_req(APP_SYSFREQ_USER_APP_0,
                  (enum APP_SYSFREQ_FREQ_T)(pdev->sys_clk));
#else
  app_sysfreq_req(APP_SYSFREQ_USER_AI_VOICE,
                  (enum APP_SYSFREQ_FREQ_T)(pdev->sys_clk));
#endif
  //    VD_TRACE(2,"%s, cpu freq=%d", __func__,
  //    hal_sys_timer_calc_cpu_freq(5,0));
  return 0;
}

static int voice_detector_exit(struct voice_detector_dev *pdev) {
  // TODO: exit process
  return 0;
}

static int voice_detector_idle(struct voice_detector_dev *pdev) {
  // TODO: idle process
  return 0;
}

struct cmd_vector {
  const char *name;
  int cmd;
  int (*func)(struct voice_detector_dev *pdev);
};

static struct cmd_vector cmd_vectors[] = {
    {"idle", VOICE_DET_CMD_IDLE, voice_detector_idle},
    {"exit", VOICE_DET_CMD_EXIT, voice_detector_exit},
    {"vad open", VOICE_DET_CMD_VAD_OPEN, voice_detector_vad_open},
    {"vad start", VOICE_DET_CMD_VAD_START, voice_detector_vad_start},
    {"vad stop", VOICE_DET_CMD_VAD_STOP, voice_detector_vad_stop},
    {"vad close", VOICE_DET_CMD_VAD_CLOSE, voice_detector_vad_close},
    {"cap start", VOICE_DET_CMD_AUD_CAP_START, voice_detector_aud_cap_start},
    {"cap stop", VOICE_DET_CMD_AUD_CAP_STOP, voice_detector_aud_cap_stop},
    {"cap open", VOICE_DET_CMD_AUD_CAP_OPEN, voice_detector_aud_cap_open},
    {"cap close", VOICE_DET_CMD_AUD_CAP_CLOSE, voice_detector_aud_cap_close},
    {"clk32k", VOICE_DET_CMD_SYS_CLK_32K, voice_detector_sys_clk},
    {"clk26m", VOICE_DET_CMD_SYS_CLK_26M, voice_detector_sys_clk},
    {"clk52m", VOICE_DET_CMD_SYS_CLK_52M, voice_detector_sys_clk},
    {"clk104m", VOICE_DET_CMD_SYS_CLK_104M, voice_detector_sys_clk},
};

static int voice_detector_process_cmd(struct voice_detector_dev *pdev,
                                      int cmd) {
  int err;

  VD_LOG(3, "%s, cmd[%d]: %s", __func__, cmd, cmd_vectors[(int)cmd].name);

  switch (cmd) {
  case VOICE_DET_CMD_SYS_CLK_32K:
    pdev->sys_clk = APP_SYSFREQ_32K;
    break;
  case VOICE_DET_CMD_SYS_CLK_26M:
    pdev->sys_clk = APP_SYSFREQ_26M;
    break;
  case VOICE_DET_CMD_SYS_CLK_52M:
    pdev->sys_clk = APP_SYSFREQ_52M;
    break;
  case VOICE_DET_CMD_SYS_CLK_104M:
    pdev->sys_clk = APP_SYSFREQ_104M;
    break;
  default:
    break;
  }
  err = cmd_vectors[(int)cmd].func(pdev);
  return err;
}

static void voice_detector_set_status(struct voice_detector_dev *pdev,
                                      enum voice_detector_state s) {
  if ((s == VOICE_DET_STATE_SYS_CLK_104M) ||
      (s == VOICE_DET_STATE_SYS_CLK_52M) ||
      (s == VOICE_DET_STATE_SYS_CLK_26M) ||
      (s == VOICE_DET_STATE_SYS_CLK_32K)) {
    return;
  }
  pdev->state = s;
  VD_LOG(2, "%s, state=%d", __func__, pdev->state);
}

static void voice_detector_exec_callback(struct voice_detector_dev *pdev,
                                         enum voice_detector_cb_id id) {
  voice_detector_cb_t func;

  func = pdev->callback[id];
  if (func) {
    void *argv = (void *)(pdev->arguments[id]);

    func(pdev->state, argv);
  }
}

int voice_detector_enhance_perform(enum voice_detector_id id) {
  struct voice_detector_dev *pdev = to_voice_dev(id);

  pdev->sys_clk = APP_SYSFREQ_26M;

  return app_sysfreq_req(APP_SYSFREQ_USER_AI_VOICE,
                         (enum APP_SYSFREQ_FREQ_T)(pdev->sys_clk));
}

int voice_detector_run(enum voice_detector_id id, int continous) {
  int exit = 0;
  int exit_code = 0;
  struct voice_detector_dev *pdev;

  if (id >= VOICE_DETECTOR_QTY) {
    return -1;
  }

  pdev = to_voice_dev(id);
  if (!pdev->init)
    return -2;

  voice_detector_exec_callback(pdev, VOICE_DET_CB_PREVIOUS);
  pdev->run = 1;
  while (1) {
    int err = 0;
    int cmd = cmd_queue_dequeue(&pdev->cmd_queue);

    if (cmd < 0) {
      // cmd is invalid, invoke waitting callback
      voice_detector_exec_callback(pdev, VOICE_DET_CB_RUN_WAIT);
    } else {
      // cmd is okay, process it
      err = voice_detector_process_cmd(pdev, cmd);
      if (!err) {
        voice_detector_set_status(pdev, (enum voice_detector_state)cmd);
        voice_detector_exec_callback(pdev, VOICE_DET_CB_RUN_DONE);
      } else {
        voice_detector_exec_callback(pdev, VOICE_DET_CB_ERROR);
        VD_LOG(3, "%s, process cmd %d error, %d", __func__, cmd, err);
      }
    }
    switch (continous) {
    case VOICE_DET_MODE_ONESHOT:
      // not continous, run only once
      exit_code = err;
      exit = 1;
      break;
    case VOICE_DET_MODE_EXEC_CMD:
      // continous run,exit until cmd queue is empty
      if (cmd_queue_is_empty(&pdev->cmd_queue)) {
        exit = 1;
        exit_code = err;
        // invoke waitting callback
        voice_detector_exec_callback(pdev, VOICE_DET_CB_RUN_WAIT);
      }
      break;
    case VOICE_DET_MODE_LOOP:
      // continous run forever, exit until receive VOICE_DET_CMD_EXIT
      if (cmd == VOICE_DET_CMD_EXIT) {
        exit = 1;
        exit_code = err;
      }
      break;
    default:
      break;
    }
    if (exit) {
      break;
    }
  }
  pdev->run = 0;
  voice_detector_exec_callback(pdev, VOICE_DET_CB_POST);

  return exit_code;
}

#ifdef VD_TEST

#include "app_voice_detector.h"

#define AUDIO_CAP_BUFF_SIZE (160 * 2 * 2 * 2)

static uint32_t buff_capture[AUDIO_CAP_BUFF_SIZE / 4];
static uint32_t voice_det_evt = 0;
static uint8_t vad_data_buf[8 * 1024];

static void voice_detector_send_evt(uint32_t evt) { voice_det_evt = evt; }

static void print_vad_raw_data(uint8_t *buf, uint32_t len) {
  VD_TRACE(3, "%s, buf=%x, len=%d", __func__, (uint32_t)buf, len);
  // TODO: print data
}

static int State_M_1 = 0;
void dc_filter_f(short *in, int len, float left_gain, float right_gain) {
  int tmp1;
  for (int i = 0; i < len; i += 1) {
    State_M_1 = (15 * State_M_1 + in[i]) >> 4;
    tmp1 = in[i];
    tmp1 -= State_M_1;
    in[i] = speech_ssat_int16(tmp1);
  }
}

static uint32_t mic_data_come(uint8_t *buf, uint32_t len) {
  static int come_cnt = 0;
  short *p16data = (short *)buf;
  uint32_t sample_len = len / 2;
  int retcode = 0;

  dc_filter_f(p16data, sample_len, 0.0, 0.0);

  audio_dump_clear_up();
  audio_dump_add_channel_data(0, p16data, sample_len);
  // audio_dump_add_channel_data(1, temp_buf, sample_len);
  audio_dump_run();

#ifdef __CYBERON
  retcode = CSpotter_AddSample(h_CSpotter, p16data, sample_len);

  if (retcode == CSPOTTER_SUCCESS) {
    int id, score;

    id = CSpotter_GetResult(h_CSpotter);
    TRACE(1, "##### CSpotterGetResult return ID : %d\n", id);

    score = CSpotter_GetResultScore(h_CSpotter);
    TRACE(1, "CSpotter_GetResultScore return Score: %d", score);

    CSpotter_Reset(h_CSpotter);
  }
#endif

  if (come_cnt % 100 == 0) {
    TRACE(1, "retcode: %d", retcode);
  }
  come_cnt++;
  // if ((come_cnt % 200) == 0) {
  //    VD_TRACE(3,"%s, buf=%x, len=%d", __func__, (uint32_t)buf, len);
  // }
  if ((come_cnt % 300) == 0) {
    come_cnt = 0;
    voice_detector_send_evt(VOICE_DET_EVT_VAD_START);
    VD_TRACE(1, "%s, close audio stream ...", __func__);
  }

  return 0;
}

#ifdef __CYBERON
static int CSpotter_Init_bes() {
#define TIMES (1000)
  int err;
  int state_size, mem_size;
  uint8_t *state_buffer, *mem_pool;
  uint8_t *p_combuf = (uint8_t *)cyb_buf;

  TRACE(1, "%s", __func__);

  state_size = CSpotter_GetStateSize((BYTE *)COMMAND_MODEL_DATA);
  TRACE(2, "%s, state_size=%d", __func__, state_size);

  state_buffer = p_combuf + cyb_buf_used;
  cyb_buf_used += state_size;
  if (!state_buffer) {
    TRACE(0, "alloc state buff failed");
    err = -1;
    goto fail;
  }

  mem_size = CSpotter_GetMemoryUsage_Sep((BYTE *)BASE_MODEL_DATA,
                                         (BYTE *)COMMAND_MODEL_DATA, TIMES);
  TRACE(1, "mem_size=%d", mem_size);

  mem_pool = p_combuf + cyb_buf_used;
  cyb_buf_used += mem_size;
  if (!mem_pool) {
    TRACE(0, "alloc mem pool failed");
    err = -2;
    goto fail;
  }

  h_CSpotter = CSpotter_Init_Sep((BYTE *)BASE_MODEL_DATA,
                                 (BYTE *)COMMAND_MODEL_DATA, TIMES, mem_pool,
                                 mem_size, state_buffer, state_size, &err);
  if (!h_CSpotter) {
    TRACE(1, "CSpotter Init fail! err : %d\n", err);
    err = -3;
    goto fail;
  }

  return 0;

fail:
  return err;
}
#endif

static void cmd_wait_handler(int state, void *param) {
  voice_detector_send_evt(VOICE_DET_EVT_IDLE);

  VD_TRACE(2, "%s, state=%d", __func__, state);
  //    hal_sys_timer_delay(MS_TO_TICKS(100));
  //    while(1);

  //    hal_sleep_enter_sleep();
}

static void cmd_done_handler(int state, void *param) {
  VD_TRACE(2, "%s, state=%d", __func__, state);
}

static void cpu_det_find_wakeup_handler(int state, void *param) {
  static uint32_t cpu_wakeup_cnt = 0;

  cpu_wakeup_cnt++;
  VD_TRACE(3, "%s, state=%d, cnt=%d", __func__, state, cpu_wakeup_cnt);
  // VD_TRACE(2,"%s, calc sys freq=%d", __func__,
  // hal_sys_timer_calc_cpu_freq(5,0));

  voice_detector_send_evt(VOICE_DET_EVT_AUD_CAP_START);
}

static void cpu_det_notfind_wakeup_handler(int state, void *param) {

  VD_TRACE(2, "%s, state=%d", __func__, state);
  // VD_TRACE(2,"%s, calc sys freq=%d", __func__,
  // hal_sys_timer_calc_cpu_freq(5,0));

  voice_detector_send_evt(VOICE_DET_EVT_VAD_START);
}

void voice_detector_test(void) {
  enum voice_detector_id id = VOICE_DETECTOR_ID_0;
  int r, run;
  struct AF_STREAM_CONFIG_T stream_cfg;
  enum HAL_SLEEP_STATUS_T sleep;
  uint32_t len;

  VD_TRACE(1, "%s, start", __func__);

  af_open();

  memset(&stream_cfg, 0, sizeof(stream_cfg));

  stream_cfg.sample_rate = AUD_SAMPRATE_16000;
  stream_cfg.bits = AUD_BITS_16;
  stream_cfg.vol = 16;
  stream_cfg.device = AUD_STREAM_USE_INT_CODEC;
  stream_cfg.io_path = AUD_INPUT_PATH_VADMIC;
  stream_cfg.channel_num = AUD_CHANNEL_NUM_1;
  stream_cfg.handler = mic_data_come;
  stream_cfg.data_ptr = (uint8_t *)buff_capture;
  stream_cfg.data_size = AUDIO_CAP_BUFF_SIZE;

  audio_dump_init(AUDIO_CAP_BUFF_SIZE / 2 / 2, sizeof(short), 1);

#ifdef __CYBERON
  CSpotter_Init_bes();
#endif

  r = voice_detector_open(id);
  if (r) {
    VD_TRACE(2, "%s, error %d", __func__, r);
    return;
  }

  voice_detector_setup_stream(id, AUD_STREAM_CAPTURE, &stream_cfg);
  voice_detector_setup_callback(id, VOICE_DET_CB_RUN_WAIT, cmd_wait_handler,
                                NULL);
  voice_detector_setup_callback(id, VOICE_DET_CB_RUN_DONE, cmd_done_handler,
                                NULL);
  voice_detector_setup_callback(id, VOICE_DET_FIND_APP,
                                cpu_det_find_wakeup_handler, NULL);
  voice_detector_setup_callback(id, VOICE_DET_NOT_FIND_APP,
                                cpu_det_notfind_wakeup_handler, NULL);

  VD_TRACE(2, "%s, calc sys freq=%d", __func__,
           hal_sys_timer_calc_cpu_freq(5, 0));

  voice_detector_send_cmd(id, VOICE_DET_CMD_AUD_CAP_OPEN);
  voice_detector_send_cmd(id, VOICE_DET_CMD_AUD_CAP_CLOSE);
  voice_detector_send_evt(VOICE_DET_EVT_VAD_START);
  run = 0;

  while (1) {
    if (voice_det_evt != VOICE_DET_EVT_IDLE) {
      switch (voice_det_evt) {
      case VOICE_DET_EVT_VAD_START:
        if (voice_detector_query_status(id) == VOICE_DET_STATE_VAD_CLOSE) {
          voice_detector_send_cmd(id, VOICE_DET_CMD_AUD_CAP_STOP);
          voice_detector_send_cmd(id, VOICE_DET_CMD_AUD_CAP_CLOSE);
        }
        // TODO: save current system clock
        voice_detector_send_cmd(id, VOICE_DET_CMD_VAD_OPEN);
        voice_detector_send_cmd(id, VOICE_DET_CMD_VAD_START);
        voice_detector_send_cmd(id, VOICE_DET_CMD_SYS_CLK_32K);
        run = 1;
        break;
      case VOICE_DET_EVT_AUD_CAP_START:
        voice_detector_send_cmd(id, VOICE_DET_CMD_SYS_CLK_26M);
        voice_detector_send_cmd(id, VOICE_DET_CMD_AUD_CAP_OPEN);
        voice_detector_send_cmd(id, VOICE_DET_CMD_AUD_CAP_START);
        voice_detector_send_cmd(id, VOICE_DET_CMD_VAD_STOP);
        voice_detector_send_cmd(id, VOICE_DET_CMD_VAD_CLOSE);
        // voice_detector_send_cmd(id, VOICE_DET_CMD_AUD_CAP_OPEN);
        // voice_detector_send_cmd(id, VOICE_DET_CMD_AUD_CAP_START);
        run = 1;
        break;
      default:
        run = 0;
        break;
      }
      voice_det_evt = VOICE_DET_EVT_IDLE;
    }
    if (run) {
      run = 0;
      voice_detector_run(id, VOICE_DET_MODE_EXEC_CMD);
    }

#ifndef RTOS
    extern void af_thread(void const *argument);
    af_thread(NULL);
#endif

    //      while(1);
    sleep = hal_sleep_enter_sleep();
    if (sleep == HAL_SLEEP_STATUS_DEEP) {
      VD_TRACE(0, "wake up from deep sleep");
    }

    len = voice_detector_recv_vad_data(VOICE_DETECTOR_ID_0, vad_data_buf,
                                       sizeof(vad_data_buf));
    if (len) {
      print_vad_raw_data(vad_data_buf, len);
    }
  }
}
#endif