初始化

#include "asr_pro.h"
void asr_init(void) {
    asr_config_t config = {
        .sample_rate = 16000,
        .bit_width = 16,
        .model_path = "/models/asr_pro_v2.bin",
        .callback = asr_result_callback
    };
    if (asr_pro_init(&config) != ASR_SUCCESS) {
        printf("ASR module init failed\n");
        while(1);
    }
    // 加载自定义词表（需提前转换为.dict格式）
    asr_pro_load_dict("/dicts/custom_commands.dict");
}