e. Do you need support for Rotors and/or Sliders in your design
a. If yes, how many rotors/sliders would be needed?
b. Based on a) above, identify the maximum number of rotors sliders that the library
supports
f.
Which compiler platform you intend to use to integrate the libraries – IAR or AVR -GCC
Follow the steps listed below to arrive at the right library variant
1) Select the device from the list of supported devices listed in 5.7.2.4.1
2) Select the right library variant for the device selected from the selection guide available
in
C: Program Files\Atmel\Atmel_QTouch_Libaries_5.x\Library_Selection_Guide.xls
Each variant supports
a. a specific number of channels,
b. Supports a specific configuration of X x Y matrix pins ( eg 4 x 2 for 4 - X pins & 2
- Y pins )
c.
has support for Rotor / Slider ( either supported or not )
d. support is available for IAR and/or GCC compiler tool chain
e. support for specific number of rotors sliders.
3) Define the constants and symbol names required
a. The next step is to define certain constants and symbols required in the host
application files where the touch API is going to be used. These values are
derived from the parameters defined in step 2 for your application
b. The constant/symbol names are as listed in the table below
56
c.
The constant/symbol definitions can be placed in any of the following
i. In the user’s ‘C’ file prior to include touch_api.h in the file
ii. Modifying the defines in a touch_config.h available in the project folder
8207L-AT42-05/12
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