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8 ALPS touchpads, called versions 1, 2, 3, 4, 5, 6, 7 and 8.
40 For older touchpads supporting protocol versions 3 and 4, the E7 report
51 Protocol versions 3 and 4 have a command mode that is used to read and write
55 whether the devices uses the version 3 or 4 protocol.
113 byte 4: 0 y6 y5 y4 y3 y2 y1 y0
125 byte 4: 0 y6 y5 y4 y3 y2 y1 y0
143 byte 4: X7 X6 X5 X4 X3 X2 X1 X0
167 byte 4: 0 mt x3 x2 y3 y2 y1 y0
183 byte 4: 0 x14 x13 x12 x11 x10 x9 y0
196 byte 4: 0 z6 z5 z4 z3 z2 z1 z0
200 processing is enabled. SW means scroll up when 4 buttons are available.
202 ALPS Absolute Mode - Protocol Version 4
205 Protocol version 4 has an 8-byte packet format::
211 byte 4: 0 ? ? ? 1 ? r l
224 byte 4: 0 0 0 0 0 0 0 0
239 4) There is a 3 to 1 ratio of position packets to bitmap packets. Therefore
259 byte 4: y10 y9 y8 y7 x10 x9 x8 x7
268 byte 4: 0 x9 x8 x7 x6 x5 x4 x3
280 byte 4: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0
289 byte 4: ? y7 y6 y5 y4 ? ? ?
303 byte 4: Y7 0 Y5 Y4 Y3 1 1 0
311 byte 1: Y0-10 Y0-9 Y0-8 Y0-7 Y0-6 Y0-5 Y0-4 Y0-3
313 byte 3: X1-11 1 X0-4 X0-3 1 X0-2 X0-1 X0-0
314 byte 4: TWO X1-10 TWO X1-9 X1-8 X1-7 X1-6 X1-5 X1-4
315 byte 4: MULTI X1-10 TWO X1-9 X1-8 X1-7 X1-6 Y1-5 1
316 byte 4: NEW X1-10 TWO X1-9 X1-8 X1-7 X1-6 0 0
317 byte 5: TWO & NEW Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 Y1-5 Y1-4
329 TWO: 1: Two touches present, byte 0/4/5 are in TWO fmt
330 0: If byte 4 bit 0 is 1, then byte 0/4/5 are in MULTI fmt
331 otherwise byte 0 bit 4 must be set and byte 0/4/5 are
333 F: Number of fingers - 3, 0 means 3 fingers, 1 means 4 ...
341 The packet type is given by the APD field, bits 4-5 of byte 3.
350 byte 4: 0 Z6 Z5 Z4 Z3 Z2 Z1 Z0
362 byte 4: Zv7 Y11 Y10 1 Y9 Y8 Y7 Y6
375 byte 4: BX11 BX10 BX9 BX8 BX7 BZ1 BY4 BZ0
378 CONT: A 3-or-4 Finger packet is to follow
380 Touchpad 3-or-4 Finger packet (APD = 0x3)::
387 byte 4: BX11 BX10 BX9 BX8 BX7 BZ1 BY4 BZ0