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2. FreeRTOS Source Code Analysis and Application Development Based on STM32 [M];zhongkai;Beijing Beijing University of Aeronautics and Astronautics Press,2017
3. Digital Speech Processing [M];Wuhan Huazhong University of Science and Technology Press,2005
4. Application Program Design Technology about Singlechip Microcomputer [M];hangci;Beijing Beijing University of Aeronautics and Astronautics Press,2002
5. Study ARM9 Embedded Linux System Development with Zero-basis [M];qunjie;Beijing Machinery Industry Publisher,2010