SLAA351A April   2007  – November 2018 MSP430F2232 , MSP430F2232 , MSP430F2234 , MSP430F2234 , MSP430F2252 , MSP430F2252 , MSP430F2254 , MSP430F2254 , MSP430F2272 , MSP430F2272 , MSP430F2274 , MSP430F2274

 

  1.   A Simple Glass-Breakage Detector Using an MSP430™ MCU
    1.     Trademarks
    2. 1 Introduction
    3. 2 Hardware Description
      1. 2.1 Device Specifications
      2. 2.2 Power Supply
      3. 2.3 Microphone
      4. 2.4 LED and Buzzer Alert
      5. 2.5 Interface to CC1100 or CC2500 Devices
      6. 2.6 Operational Amplifiers (OAs)
      7. 2.7 Internal Very-Low-Power Oscillator (VLO)
      8. 2.8 JTAG Interface
      9. 2.9 Current Consumption
    4. 3 Software Description
      1. 3.1 Initialization Routine
      2. 3.2 Timer_A
      3. 3.3 ADC10
      4. 3.4 Signal Analysis
        1. 3.4.1 First Stage of Processing
          1. 3.4.1.1 Signal Averaging, Peak Detection, and Zero Crossings
          2. 3.4.1.2 High-Pass Filtering
        2. 3.4.2 Second Stage of Processing
          1. 3.4.2.1 Frequency Composition Ratio
          2. 3.4.2.2 Peak and Zero-Crossing Count
          3. 3.4.2.3 Glass-Breakage Detect
    5. 4 Hardware Schematic
    6. 5 Test Setup
    7. 6 References
  2.   Revision History

6 References

  1. MSP430x2xx Family User Guide
  2. MSP430x22x2, MSP430x22x4 Mixed-Signal Microcontrollers
  3. Kaiser, Ulrich, "Wave Digital Filtering for TI’s Sensor Signal Processor MSP430", Texas Instruments Technical Journal, Vol. 11, Nr. 6, 1994 S.65-83
  4. Venkat, Kripasagar, Efficient Multiplication and Division Using MSP430
  5. Venkat, Kripasagar, Wave Digital Filtering Using the MSP430
  6. V. Carl Hamacher, Zvonko G. Vranesic, Safwat G. Zaky, Computer Organization, Third Edition, McGraw Hill Publication, 1990
  7. Quiring, Keith, MSP430 Interface to the CC1100/2500 Code Library
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