Silicon Laboratories Si1120 Скачать руководство пользователя страница 9 | Manualshive

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Содержание Si1120

Страница 1: ...ct that is placed in proximity to the sensor X Y and Z positions can be calculated from these measurements If no object is close enough to the board the measured signal levels will fall below pre determined thresholds and the position calculations will not update The example firmware is intended to be used in conjunction with the QuickSenseTM Performance Analysis Tool to provide user feedback In a...

Страница 2: ... Note that the CP210x VCP drivers should have been installed during the software setup described in 3 1 Software Download and Installation If the drivers are installed correctly a dialog box will pop up notifying the user that a new USB device has been found Refer to Figure 3 for the full hardware connection diagram Figure 1 Si1120 Evaluation Board Shorting Block Settings Figure 2 C8051F930 Target...

Страница 3: ...corner emitter is fixed at D1 but a shorting block point is provided for debug purposes The X and Y axis emitters can each be moved between three different positions on the board as shown in Figure 4 Figure 4 Header J1 Setup Communication with PC CP 210 3 SILICON LABS www silabs com F930 C8051F930 TB P1 SILICON LABS Si1120 EVB Debug Connection to PC AC DC Adapter SILICON LABS J1 Select Corner Emit...

Страница 4: ... and the firmware example source code 4 1 QuickSense Studio The QuickSense Studio software facilitates rapid code development and analysis for applications using the Silicon Labs family of QuickSense products QuickSense Studio is comprised of multiple programs that guide users through an intuitive development flow including graphical configuration wizards firmware templates and performance monitor...

Страница 5: ...source code and an example IDE project is located in the default path C SiLabs MCU QuickSense_Studio Kits Si1120EK Firmware The pre built HEX image is located in the default path C SiLabs MCU QuickSense_Studio Kits Si1120EK Firmware Release Follow the steps below to update or refresh the HEX image in the C8051F930 TB 1 Connect the hardware as described in 3 2 Hardware Setup on page 2 2 Launch the ...

Страница 6: ...rial Interface see AN366 QuickSense API To use the Performance Analysis Tool with the Si1120 Evaluation Kit 1 Connect the C8051F930 TB to the PC using a USB cable 2 Launch the Performance Analysis Tool from QuickSense Studio or from the Start menu 3 Select the board from the Devices menu it will normally show up as the last COM port in the list 4 Select the channels you wish to display on the pict...

Страница 7: ...w The maximum output limit of the Si1120 is 2 ms which would correspond to 12250 counts of a 6 125 MHz clock 2 Linearized distance measurements for each IR channel The raw proximity values output from the Si1120 will be exponentially larger the closer an object is to the sensor The channels labeled Radius 1 Radius 2 and Radius 3 are linearizations of the raw data output from the sensor when illumi...

Страница 8: ...y the example code The parameters for each gesture are listed in Table 1 The detected ambient light conditions Sunlight Incandescent Halogen or Fluorescent CFL will be displayed in the Light Type Figure 8 Performance Analysis Tool Group Windows Table 1 Recognized Gestures Gesture Name Parameter Parameter Range Description of Action Swipe Left Speed 1 18 Slow to Fast Move hand rapidly from the righ...

Страница 9: ...Si1120 EK Rev 0 1 9 6 Schematic Figure 9 Si1120 EVB Schematic ...

Страница 10: ... herein Additionally Silicon Laboratories assumes no responsibility for the functioning of undescribed features or parameters Silicon Laboratories reserves the right to make changes without further notice Silicon Laboratories makes no warranty rep resentation or guarantee regarding the suitability of its products for any particular purpose nor does Silicon Laboratories assume any liability arising...

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