Atmel QTouch Library User Guide

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SNS1 – SNSK1 & SNS2 –SNSK2QT_NUM_CHANNELS_ROTOR_SLIDER__DEBUG_INTERFACE_Section 5.7.1.5.2 hasdetails on the range ofvalues allowed4, 8, 12, 16 for tinyAVR,megaAVR and XMEGAdevice libraries and 8, 16,32 for UC3 device libraries.Rotor / slider can be addedto the design, if this symbolis definedThe debug interface code inthe example application willbe enabled if this macro isenabled.To be used if two port pairs are needed forthe designA library with rotor / slider functionalityalready available needs to be selected ifthis macro is to be enabledThis will enable the application to outputQTouch measurement values to GPIOpins, which can be used by a USB bridgeto view the output on Hawkeye or QTouchStudio. This feature is currently supportedby EVK/TS 2080A and QT600 boards.QT_DELAY_CYCLES 1 to 255 Please refer to sectionQTOUCH_STUDIO_MASKS This macro needs to bedefined if QTouch StudioPin Configurator Wizard.isused to generate the SNSand SNSK masks.Please refer to section 5.8.1_STATIC_PORT_PIN_CONF_This macro needs to bedefined only in case of 4and 8 channel libraries withinterport configuration andpin configurability.Please refer to section 5.8.1Figure 5-15 : Specifying the QTouch acquisition method library configuration parametersin AVR Studio IDE728207K-AT42-09/11
Figure 5-16 : Specifying the QTouch acquisition method library configuration parametersin IAR IDEUsing the example projectsThe sample applications are shipped with the complete set of files required to configure, build,execute and test the application for both IAR-workbench and AVR Studio IDEs.The sample applications are provided for the evaluation kits and a few configurations for selectdevices. The user can use the sample applications as a reference or baseline to configuredifferent configurations. Please ensure to change the configuration settings in the project optionsto match the device selected.To change the configuration settings of the sample applications,1. Select the configuration from the list of configurations available.2. If the user wishes to have a new name for the configuration to be used, a newconfiguration can be added to the project.3. If a different variant of the library needs to be used, remove the existing library in thatparticular configuration and add the library variant that you require. Please refer to5.7.1.4 for details on the different library variants. Update the linker options to specifythe library to be linked.4. Specify the tunable configuration parameters for the project as illustrated in sections5.6.11.2.2 and 5.6.11.2.3.Example applications for QMatrix acquisition method librariesThe QMatrix acquisition method libraries include example projects for some of the supporteddevices. Example projects for both IAR IDE and AVR Studio IDE along with example applicationsare provided for select devices using the QMatrix acquisition libraries. These sample applicationsdemonstrate the usage of the touch API’s to add touch sensing to an application. Refer to thelibrary selection guide for details on the example projects and sample applications supported forthe release.73
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Atmel QTouch LibraryUser GuideSuppo
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5.6.11.6.1 Debug Support in the sam
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6.3.16.21 touch_info_t ............
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• ARM: refers to a device in the
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Libraries for AVR microcontrollers
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QMatrix charge transfer is labeled
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Maximum ON DurationIf an object uni
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Setting Variable name Data Type Uni
Page 22 and 23: Guard ChannelGuard channel in Qtouc
Page 24 and 25: 7 AKS groups are supported by the l
Page 26 and 27: Data structuresThis section lists t
Page 28 and 29: The signal gain for each sensor is
Page 30 and 31: • This function can be called any
Page 32 and 33: unit16_t qt_measure_sensors( uint16
Page 34 and 35: Channel NumberingChannel numbering
Page 36 and 37: qt_reset_sensing()qt_enable_xxx()qt
Page 38 and 39: Port AAll SNSK pinsterminatedon thi
Page 40 and 41: Example:Pins A0 ,A3 and A5 of PORT
Page 42 and 43: Channel 47 N/A N/A N/A N/A N/A X7Y5
Page 44 and 45: channel 0channel 1channel 2channel
Page 46 and 47: Disabling and Enabling of Pull-up f
Page 48 and 49: ‣ Recommended threshold should be
Page 50 and 51: QMatrix acquisitionmethod libraries
Page 52 and 53: definition is not required.QT_NUM_C
Page 54 and 55: SNS1 and SNSK1 pins usethe same por
Page 56 and 57: • It is recommended to disable PU
Page 58 and 59: Table 4 :List of configurable param
Page 60 and 61: Number ofchannels requiredfor the a
Page 62 and 63: 2. The above definitions should be
Page 64 and 65: NUM_Y_LINES_ROTOR_SLIDER_QT_MAX_NUM
Page 66 and 67: has Four Comparators (AC0A , AC1A ,
Page 68 and 69: Note: When using the IAR IDE / comp
Page 70 and 71: Figure 5-11: Selecting the right co
Page 74 and 75: Selecting the right configurationTh
Page 76 and 77: Figure 5-20 : Specifying QMatrix ac
Page 78 and 79: Debug Support in Example applicatio
Page 80 and 81: Support for different compiler tool
Page 82 and 83: Maximum number of rotor / sliders s
Page 84 and 85: Tips on pin assignments for the sen
Page 86 and 87: ATtiny88)v1g1s2(ATtiny461,ATmega16a
Page 88 and 89: X0,X1,X2,X3 are on PB0,PB1,PB2,PB3N
Page 90 and 91: 1. The channel numbers are allocate
Page 92 and 93: SNSK_array[1][1]=0x00; (SNSK odd ma
Page 94 and 95: SNSK_array[1][0]=0x14; (SNSK even m
Page 96 and 97: Figure 5-28: New Design Sensors in
Page 98 and 99: Figure 5-31: Selecting the MCU for
Page 100 and 101: Figure 5-34: Selecting the SNS and
Page 102 and 103: 2. QTOUCH_STUDIO_MASKS needs to be
Page 104 and 105: Figure 5-38: Selecting New Design3.
Page 106 and 107: Figure 5-42: Start window of the co
Page 108 and 109: Figure 5-45: Selecting the X,YA,YB,
Page 110 and 111: The code can be copied using the
Page 112 and 113: ApplicablereleaseQTouch libraries v
Page 114 and 115: Device Specific LibrariesIntroducti
Page 116 and 117: Table 8 Compiler tool chains suppor
Page 118 and 119: maintains the States of QMatrix, QT
Page 120 and 121: equired as shown in the case A of F
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Figure 37 QMatrix method schematicQ
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Figure 39 QMatrix API Flow diagram
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CAT Module Pin NameCSA0CSB0CSA1CSB1
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The QTouch method acquisition using
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Host Application codeUsing the init
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Frozen Stop Stop Run Run Run Run On
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Figure 45 Raw acquisition mode API
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Figure 46 GNU Example project usage
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the QTouch Library as QMatrix data
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TOUCH_STATUS_CHANGE 0x0002u Status
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sensor_type_tEnumerationUsesensor_t
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OUT_OF_TOUCHIN_TOUCHCurrently the a
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num_channel_signals uint8_t Length
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touch_at_statusstructureInput / Out
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UseData structure which holds the R
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variable to the Touch library. The
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structure.p_qta_config touch_qt_con
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p_touch_sensor_param touch_qm_param
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current_time_ms touch_time_t Curren
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touch_ret_t touch_qt_sensor_config(
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touch_qt_sensors_calibratetouch_ret
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touch_qt_get_libinfotouch_ret_t tou
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• This API updates the configurat
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Rule Rule Description Advisory/Requ
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VCCPA0No ConnectionPA1PA2ATtiny20PA
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QTouch Library configuration parame
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Recommended setting.Table 19 QTouch
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Figure 51 Schematic overview of QTo
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QTouch Library configuration parame
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Devices supportedThe list of differ
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• The channel number is derived f
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MISRA Compliance ReportThis section
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May 2010Ver 4.2July 2010Ver 4.3Jan
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Atmel QTouch Library User Guide

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