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Make the first Demo*

This SDK comes with a default model, wake word is Tmall genie , follow the steps below

1. Compile*

$ cd lvp_tws
$ cp configs/release/nationalchip/grus_gx8002b_dev_1v.config .config
$ make menuconfig
$ make clean;make

notice

make menuconfig sometimes encounters this error Linux Error: ncurses.h: No such file or directory, This is due to the lack of corresponding dependency libraries, Ubuntu solution：sudo apt-get install libncurses5-dev.

  • After successful compilation, one is generated in the 'output' directory mcu_nor.bin。 
    (py36) jindg@nc:~/bux/code/gitlab/lvp_tws/output$ ll
... # 省略一亿行
-rw-rw-r--  1 jindg jindg  130060 Apr 25 15:07 mcu_nor.bin
... # 省略一亿行

2. Burning*

3. Running*

  • Open your serial port terminal, then restart the development board, and the following print will appear, Pay attention to the notes highlighted in yellow。
    log output of the SDK
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    [LVP]Low-Power Voice Preprocess
[LVP]Copyright (C) 2001-2020 NationalChip Co., Ltd
[LVP]ALL RIGHTS RESERVED!
[LVP]Board Model: [grus_gx8002b_dev_1v]
[LVP]MCU Version: [bcd1a41-dirty]
[LVP]Release Ver: [0x42555858]
[LVP]Build Date : [2022-04-25, 15:07:07]
[LVP]Flash vendor:[PUYA]
[LVP]Flash type:  [p25q40l]
[LVP]Flash ID:    [0x856013]
[LVP]Flash size:  [520192 Byte]
[LVP]CPU   Freq:  [8192000 Hz][fix] # Configured CPU frequency
[LVP]SRAM  Freq:  [8192000 Hz] # The configured SRAM frequency
[LVP]NPU   Freq:  [8192000 Hz] # Configured NPU frequency
[LVP]FLASH Freq:  [24576000 Hz] # Configured FLASH frequency
[LVP]Ldo   Trim:  [924 mV]
[LVP]Kws Version: [tmjl_kws_model_v0.1.1_2020_0427.h]
[LVP]Ctc Version: error!!!
[LVP_CTC]Demo Kws List [Total:1]:
[LVP_CTC]KWS: tian mao jing ling | KV: 100 | TRH: 905 | Major: 0 | L: [6 42 3 37 12 40 8 40 ]
[LVP_KWS ]Kws Use:147 ms
[AB]amic          [1 Channel]
[AB]amic pga_gain:[24 dB]
[AB]amic Ain_gain:[0 dB]
[LVP_AUD]vad param 3 [0]
[LVP_TWS]Ctx:0, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:15, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:30, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:45, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:60, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:75, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:78, Vad:0, Ns:0, R:0
[LVP_TWS]Ctx:90, Vad:0, Ns:0, R:0
set mcu sleep # GX8002 enter standby and shout "天猫精灵"
[LVP_TWS]Ctx:3, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:15, Vad:1, Ns:0, R:0
[LVP_CTC] Activation ctx:27,Kws:tian mao jing ling[100],th:905,S:994,905 # Wake up printing
[LVP_TWS]Ctx:30, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:45, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:60, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:64, Vad:0, Ns:0, R:0
[LVP_TWS]Ctx:75, Vad:0, Ns:0, R:0 # Say "天猫精灵"
v,0,1
[LVP_TWS]Ctx:73, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:75, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:90, Vad:1, Ns:0, R:0
[LVP_CTC] Activation ctx:91,Kws:tian mao jing ling[100],th:905,S:988,905 # Wake up printing
[LVP_TWS]Ctx:105, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:120, Vad:1, Ns:0, R:0
[LVP_TWS]Ctx:132, Vad:0, Ns:0, R:0
[LVP_TWS]Ctx:135, Vad:0, Ns:0, R:0
set mcu sleep # GX8002 Go to standby