Atmel QTouch Library User Guide

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ATtiny88)v1g1s2(ATtiny461,ATmega16aATtiny861)v1g2s1 (ATmega48PA,ATmega88PA)v3xmsf (ATxmega16A4,ATxmega16D4,ATxmega32A4,ATxmega32D4)v3xm (ATxmega64A3)v4xm(ATxmega64A1)v5xm(ATxmega128A3,ATxmega192A3,ATxmega256A3,ATxmega256A3B)v6xm(ATxmega128A1)v3g3 (ATmega165P,ATmega325P,ATmega645,ATmega164p,ATmega324p,ATmega324pa,ATmega644p,ATmega168p,ATmega328p,AT90CAN32,AT90CAN64)v3g5 ( AT90CAN128,AT90USB1286,AT90USB1287,ATmega1280,ATmega1281)v3g6 ( AT90USB162)v3g7 ( AT90USB646,AT90USB647)Specific to GCC:avr25g1s0 (ATtiny44,ATtiny84)avr25g1s1 (ATtiny48,ATtiny88)avr25g1s2(ATtiny461,ATtiny861)ATmega16ATxmega16D4,ATxmega32A4,ATxmega32D4,ATxmega64A1ATxmega128A1ATxmega64A3ATxmega128A3,ATxmega192A3,ATxmega256A3,ATxmega256A3B)868207K-AT42-09/11
avr4g1s1 (ATmega48P,ATmega88P)avr5g4 ( AT90USB646,)AT90USB647avr5g6 ( AT90USB162)avrxmega2 (ATxmega16A4,ATxmega16D4,ATxmega32D4)avrxmega3 (ATxmega32A4)avrxmega4 (ATxmega64A3)avrxmega5(ATxmega64A1)avrxmega6(ATxmega128A3,ATxmega192A3,ATxmega256A3,ATxmega256A3B)avrxmega7(ATxmega128A1)avr5g3 (ATmega165P,ATmega325P,ATmega645,ATmega164p,ATmega324p,ATmega324p,ATmega644p,ATmega168p,ATmega328p,AT90CAN32,AT90CAN64)avr51g2 ( AT90CAN128,AT90USB1286,AT90USB1287,ATmega1280,ATmega1281)AT32UC3C0512NC 4,8,16,24,32,56,64 Indicates the maximum number of channels that thelibrary supports56 (8 x 7) support only for ATXmega Devices.24((8 x 3) support only for 32 Bit Devices.NX 4,8 Indicates the number of X-Lines that the library needsfor supporting the listed number of channels.The X lines on a PORT always start with LeastSignificant Bit of the PORT.Ex: #define PORT_X_1 B in case of a 4x2QMatrix library means87
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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
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Guard ChannelGuard channel in Qtouc
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7 AKS groups are supported by the l
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Data structuresThis section lists t
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The signal gain for each sensor is
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• This function can be called any
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unit16_t qt_measure_sensors( uint16
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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 72 and 73: SNS1 - SNSK1 & SNS2 -SNSK2QT_NUM_CH
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 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
Page 122 and 123: Figure 37 QMatrix method schematicQ
Page 124 and 125: Figure 39 QMatrix API Flow diagram
Page 126 and 127: CAT Module Pin NameCSA0CSB0CSA1CSB1
Page 128 and 129: The QTouch method acquisition using
Page 130 and 131: Host Application codeUsing the init
Page 132 and 133: Frozen Stop Stop Run Run Run Run On
Page 134 and 135: 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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