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sentelic.txt
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Copyright (C) 2002-2010 Sentelic Corporation.
Last update: Jan-13-2010
==============================================================================
* Finger Sensing Pad Intellimouse Mode(scrolling wheel, 4th and 5th buttons)
==============================================================================
A) MSID 4: Scrolling wheel mode plus Forward page(4th button) and Backward
page (5th button)
@1. Set sample rate to 200;
@2. Set sample rate to 200;
@3. Set sample rate to 80;
@4. Issuing the "Get device ID" command (0xF2) and waits for the response;
@5. FSP will respond 0x04.
Packet 1
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |Y|X|y|x|1|M|R|L| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 | | |B|F|W|W|W|W|
|---------------| |---------------| |---------------| |---------------|
Byte 1: Bit7 => Y overflow
Bit6 => X overflow
Bit5 => Y sign bit
Bit4 => X sign bit
Bit3 => 1
Bit2 => Middle Button, 1 is pressed, 0 is not pressed.
Bit1 => Right Button, 1 is pressed, 0 is not pressed.
Bit0 => Left Button, 1 is pressed, 0 is not pressed.
Byte 2: X Movement(9-bit 2's complement integers)
Byte 3: Y Movement(9-bit 2's complement integers)
Byte 4: Bit3~Bit0 => the scrolling wheel's movement since the last data report.
valid values, -8 ~ +7
Bit4 => 1 = 4th mouse button is pressed, Forward one page.
0 = 4th mouse button is not pressed.
Bit5 => 1 = 5th mouse button is pressed, Backward one page.
0 = 5th mouse button is not pressed.
B) MSID 6: Horizontal and Vertical scrolling.
@ Set bit 1 in register 0x40 to 1
# FSP replaces scrolling wheel's movement as 4 bits to show horizontal and
vertical scrolling.
Packet 1
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |Y|X|y|x|1|M|R|L| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 | | |B|F|r|l|u|d|
|---------------| |---------------| |---------------| |---------------|
Byte 1: Bit7 => Y overflow
Bit6 => X overflow
Bit5 => Y sign bit
Bit4 => X sign bit
Bit3 => 1
Bit2 => Middle Button, 1 is pressed, 0 is not pressed.
Bit1 => Right Button, 1 is pressed, 0 is not pressed.
Bit0 => Left Button, 1 is pressed, 0 is not pressed.
Byte 2: X Movement(9-bit 2's complement integers)
Byte 3: Y Movement(9-bit 2's complement integers)
Byte 4: Bit0 => the Vertical scrolling movement downward.
Bit1 => the Vertical scrolling movement upward.
Bit2 => the Horizontal scrolling movement leftward.
Bit3 => the Horizontal scrolling movement rightward.
Bit4 => 1 = 4th mouse button is pressed, Forward one page.
0 = 4th mouse button is not pressed.
Bit5 => 1 = 5th mouse button is pressed, Backward one page.
0 = 5th mouse button is not pressed.
C) MSID 7:
# FSP uses 2 packets (8 Bytes) to represent Absolute Position.
so we have PACKET NUMBER to identify packets.
If PACKET NUMBER is 0, the packet is Packet 1.
If PACKET NUMBER is 1, the packet is Packet 2.
Please count this number in program.
# MSID6 special packet will be enable at the same time when enable MSID 7.
==============================================================================
* Absolute position for STL3886-G0.
==============================================================================
@ Set bit 2 or 3 in register 0x40 to 1
@ Set bit 6 in register 0x40 to 1
Packet 1 (ABSOLUTE POSITION)
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |0|1|V|1|1|M|R|L| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 |r|l|d|u|X|X|Y|Y|
|---------------| |---------------| |---------------| |---------------|
Byte 1: Bit7~Bit6 => 00, Normal data packet
=> 01, Absolute coordination packet
=> 10, Notify packet
Bit5 => valid bit
Bit4 => 1
Bit3 => 1
Bit2 => Middle Button, 1 is pressed, 0 is not pressed.
Bit1 => Right Button, 1 is pressed, 0 is not pressed.
Bit0 => Left Button, 1 is pressed, 0 is not pressed.
Byte 2: X coordinate (xpos[9:2])
Byte 3: Y coordinate (ypos[9:2])
Byte 4: Bit1~Bit0 => Y coordinate (xpos[1:0])
Bit3~Bit2 => X coordinate (ypos[1:0])
Bit4 => scroll up
Bit5 => scroll down
Bit6 => scroll left
Bit7 => scroll right
Notify Packet for G0
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |1|0|0|1|1|M|R|L| 2 |C|C|C|C|C|C|C|C| 3 |M|M|M|M|M|M|M|M| 4 |0|0|0|0|0|0|0|0|
|---------------| |---------------| |---------------| |---------------|
Byte 1: Bit7~Bit6 => 00, Normal data packet
=> 01, Absolute coordination packet
=> 10, Notify packet
Bit5 => 0
Bit4 => 1
Bit3 => 1
Bit2 => Middle Button, 1 is pressed, 0 is not pressed.
Bit1 => Right Button, 1 is pressed, 0 is not pressed.
Bit0 => Left Button, 1 is pressed, 0 is not pressed.
Byte 2: Message Type => 0x5A (Enable/Disable status packet)
Mode Type => 0xA5 (Normal/Icon mode status)
Byte 3: Message Type => 0x00 (Disabled)
=> 0x01 (Enabled)
Mode Type => 0x00 (Normal)
=> 0x01 (Icon)
Byte 4: Bit7~Bit0 => Don't Care
==============================================================================
* Absolute position for STL3888-Ax.
==============================================================================
Packet 1 (ABSOLUTE POSITION)
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |0|1|V|A|1|L|0|1| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 |x|x|y|y|X|X|Y|Y|
|---------------| |---------------| |---------------| |---------------|
Byte 1: Bit7~Bit6 => 00, Normal data packet
=> 01, Absolute coordination packet
=> 10, Notify packet
Bit5 => Valid bit, 0 means that the coordinate is invalid or finger up.
When both fingers are up, the last two reports have zero valid
bit.
Bit4 => arc
Bit3 => 1
Bit2 => Left Button, 1 is pressed, 0 is released.
Bit1 => 0
Bit0 => 1
Byte 2: X coordinate (xpos[9:2])
Byte 3: Y coordinate (ypos[9:2])
Byte 4: Bit1~Bit0 => Y coordinate (xpos[1:0])
Bit3~Bit2 => X coordinate (ypos[1:0])
Bit5~Bit4 => y1_g
Bit7~Bit6 => x1_g
Packet 2 (ABSOLUTE POSITION)
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |0|1|V|A|1|R|1|0| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 |x|x|y|y|X|X|Y|Y|
|---------------| |---------------| |---------------| |---------------|
Byte 1: Bit7~Bit6 => 00, Normal data packet
=> 01, Absolute coordinates packet
=> 10, Notify packet
Bit5 => Valid bit, 0 means that the coordinate is invalid or finger up.
When both fingers are up, the last two reports have zero valid
bit.
Bit4 => arc
Bit3 => 1
Bit2 => Right Button, 1 is pressed, 0 is released.
Bit1 => 1
Bit0 => 0
Byte 2: X coordinate (xpos[9:2])
Byte 3: Y coordinate (ypos[9:2])
Byte 4: Bit1~Bit0 => Y coordinate (xpos[1:0])
Bit3~Bit2 => X coordinate (ypos[1:0])
Bit5~Bit4 => y2_g
Bit7~Bit6 => x2_g
Notify Packet for STL3888-Ax
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |1|0|1|P|1|M|R|L| 2 |C|C|C|C|C|C|C|C| 3 |0|0|F|F|0|0|0|i| 4 |r|l|d|u|0|0|0|0|
|---------------| |---------------| |---------------| |---------------|
Byte 1: Bit7~Bit6 => 00, Normal data packet
=> 01, Absolute coordinates packet
=> 10, Notify packet
Bit5 => 1
Bit4 => when in absolute coordinates mode (valid when EN_PKT_GO is 1):
0: left button is generated by the on-pad command
1: left button is generated by the external button
Bit3 => 1
Bit2 => Middle Button, 1 is pressed, 0 is not pressed.
Bit1 => Right Button, 1 is pressed, 0 is not pressed.
Bit0 => Left Button, 1 is pressed, 0 is not pressed.
Byte 2: Message Type => 0xB7 (Multi Finger, Multi Coordinate mode)
Byte 3: Bit7~Bit6 => Don't care
Bit5~Bit4 => Number of fingers
Bit3~Bit1 => Reserved
Bit0 => 1: enter gesture mode; 0: leaving gesture mode
Byte 4: Bit7 => scroll right button
Bit6 => scroll left button
Bit5 => scroll down button
Bit4 => scroll up button
* Note that if gesture and additional buttoni (Bit4~Bit7)
happen at the same time, the button information will not
be sent.
Bit3~Bit0 => Reserved
Sample sequence of Multi-finger, Multi-coordinate mode:
notify packet (valid bit == 1), abs pkt 1, abs pkt 2, abs pkt 1,
abs pkt 2, ..., notify packet (valid bit == 0)
==============================================================================
* Absolute position for STL3888-B0.
==============================================================================
Packet 1(ABSOLUTE POSITION)
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |0|1|V|F|1|0|R|L| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 |r|l|u|d|X|X|Y|Y|
|---------------| |---------------| |---------------| |---------------|
Byte 1: Bit7~Bit6 => 00, Normal data packet
=> 01, Absolute coordinates packet
=> 10, Notify packet
Bit5 => Valid bit, 0 means that the coordinate is invalid or finger up.
When both fingers are up, the last two reports have zero valid
bit.
Bit4 => finger up/down information. 1: finger down, 0: finger up.
Bit3 => 1
Bit2 => finger index, 0 is the first finger, 1 is the second finger.
Bit1 => Right Button, 1 is pressed, 0 is not pressed.
Bit0 => Left Button, 1 is pressed, 0 is not pressed.
Byte 2: X coordinate (xpos[9:2])
Byte 3: Y coordinate (ypos[9:2])
Byte 4: Bit1~Bit0 => Y coordinate (xpos[1:0])
Bit3~Bit2 => X coordinate (ypos[1:0])
Bit4 => scroll down button
Bit5 => scroll up button
Bit6 => scroll left button
Bit7 => scroll right button
Packet 2 (ABSOLUTE POSITION)
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |0|1|V|F|1|1|R|L| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 |r|l|u|d|X|X|Y|Y|
|---------------| |---------------| |---------------| |---------------|
Byte 1: Bit7~Bit6 => 00, Normal data packet
=> 01, Absolute coordination packet
=> 10, Notify packet
Bit5 => Valid bit, 0 means that the coordinate is invalid or finger up.
When both fingers are up, the last two reports have zero valid
bit.
Bit4 => finger up/down information. 1: finger down, 0: finger up.
Bit3 => 1
Bit2 => finger index, 0 is the first finger, 1 is the second finger.
Bit1 => Right Button, 1 is pressed, 0 is not pressed.
Bit0 => Left Button, 1 is pressed, 0 is not pressed.
Byte 2: X coordinate (xpos[9:2])
Byte 3: Y coordinate (ypos[9:2])
Byte 4: Bit1~Bit0 => Y coordinate (xpos[1:0])
Bit3~Bit2 => X coordinate (ypos[1:0])
Bit4 => scroll down button
Bit5 => scroll up button
Bit6 => scroll left button
Bit7 => scroll right button
Notify Packet for STL3888-B0
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |1|0|1|P|1|M|R|L| 2 |C|C|C|C|C|C|C|C| 3 |0|0|F|F|0|0|0|i| 4 |r|l|u|d|0|0|0|0|
|---------------| |---------------| |---------------| |---------------|
Byte 1: Bit7~Bit6 => 00, Normal data packet
=> 01, Absolute coordination packet
=> 10, Notify packet
Bit5 => 1
Bit4 => when in absolute coordinate mode (valid when EN_PKT_GO is 1):
0: left button is generated by the on-pad command
1: left button is generated by the external button
Bit3 => 1
Bit2 => Middle Button, 1 is pressed, 0 is not pressed.
Bit1 => Right Button, 1 is pressed, 0 is not pressed.
Bit0 => Left Button, 1 is pressed, 0 is not pressed.
Byte 2: Message Type => 0xB7 (Multi Finger, Multi Coordinate mode)
Byte 3: Bit7~Bit6 => Don't care
Bit5~Bit4 => Number of fingers
Bit3~Bit1 => Reserved
Bit0 => 1: enter gesture mode; 0: leaving gesture mode
Byte 4: Bit7 => scroll right button
Bit6 => scroll left button
Bit5 => scroll up button
Bit4 => scroll down button
* Note that if gesture and additional button(Bit4~Bit7)
happen at the same time, the button information will not
be sent.
Bit3~Bit0 => Reserved
Sample sequence of Multi-finger, Multi-coordinate mode:
notify packet (valid bit == 1), abs pkt 1, abs pkt 2, abs pkt 1,
abs pkt 2, ..., notify packet (valid bit == 0)
==============================================================================
* FSP Enable/Disable packet
==============================================================================
Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
1 |Y|X|0|0|1|M|R|L| 2 |0|1|0|1|1|0|1|E| 3 | | | | | | | | | 4 | | | | | | | | |
|---------------| |---------------| |---------------| |---------------|
FSP will send out enable/disable packet when FSP receive PS/2 enable/disable
command. Host will receive the packet which Middle, Right, Left button will
be set. The packet only use byte 0 and byte 1 as a pattern of original packet.
Ignore the other bytes of the packet.
Byte 1: Bit7 => 0, Y overflow
Bit6 => 0, X overflow
Bit5 => 0, Y sign bit
Bit4 => 0, X sign bit
Bit3 => 1
Bit2 => 1, Middle Button
Bit1 => 1, Right Button
Bit0 => 1, Left Button
Byte 2: Bit7~1 => (0101101b)
Bit0 => 1 = Enable
0 = Disable
Byte 3: Don't care
Byte 4: Don't care (MOUSE ID 3, 4)
Byte 5~8: Don't care (Absolute packet)
==============================================================================
* PS/2 Command Set
==============================================================================
FSP supports basic PS/2 commanding set and modes, refer to following URL for
details about PS/2 commands:
http://www.computer-engineering.org/ps2mouse/
==============================================================================
* Programming Sequence for Determining Packet Parsing Flow
==============================================================================
1. Identify FSP by reading device ID(0x00) and version(0x01) register
2. Determine number of buttons by reading status2 (0x0b) register
buttons = reg[0x0b] & 0x30
if buttons == 0x30 or buttons == 0x20:
# two/four buttons
Refer to 'Finger Sensing Pad PS/2 Mouse Intellimouse'
section A for packet parsing detail(ignore byte 4, bit ~ 7)
elif buttons == 0x10:
# 6 buttons
Refer to 'Finger Sensing Pad PS/2 Mouse Intellimouse'
section B for packet parsing detail
elif buttons == 0x00:
# 6 buttons
Refer to 'Finger Sensing Pad PS/2 Mouse Intellimouse'
section A for packet parsing detail
==============================================================================
* Programming Sequence for Register Reading/Writing
==============================================================================
Register inversion requirement:
Following values needed to be inverted(the '~' operator in C) before being
sent to FSP:
0xe9, 0xee, 0xf2 and 0xff.
Register swapping requirement:
Following values needed to have their higher 4 bits and lower 4 bits being
swapped before being sent to FSP:
10, 20, 40, 60, 80, 100 and 200.
Register reading sequence:
1. send 0xf3 PS/2 command to FSP;
2. send 0x66 PS/2 command to FSP;
3. send 0x88 PS/2 command to FSP;
4. send 0xf3 PS/2 command to FSP;
5. if the register address being to read is not required to be
inverted(refer to the 'Register inversion requirement' section),
goto step 6
5a. send 0x68 PS/2 command to FSP;
5b. send the inverted register address to FSP and goto step 8;
6. if the register address being to read is not required to be
swapped(refer to the 'Register swapping requirement' section),
goto step 7
6a. send 0xcc PS/2 command to FSP;
6b. send the swapped register address to FSP and goto step 8;
7. send 0x66 PS/2 command to FSP;
7a. send the original register address to FSP and goto step 8;
8. send 0xe9(status request) PS/2 command to FSP;
9. the response read from FSP should be the requested register value.
Register writing sequence:
1. send 0xf3 PS/2 command to FSP;
2. if the register address being to write is not required to be
inverted(refer to the 'Register inversion requirement' section),
goto step 3
2a. send 0x74 PS/2 command to FSP;
2b. send the inverted register address to FSP and goto step 5;
3. if the register address being to write is not required to be
swapped(refer to the 'Register swapping requirement' section),
goto step 4
3a. send 0x77 PS/2 command to FSP;
3b. send the swapped register address to FSP and goto step 5;
4. send 0x55 PS/2 command to FSP;
4a. send the register address to FSP and goto step 5;
5. send 0xf3 PS/2 command to FSP;
6. if the register value being to write is not required to be
inverted(refer to the 'Register inversion requirement' section),
goto step 7
6a. send 0x47 PS/2 command to FSP;
6b. send the inverted register value to FSP and goto step 9;
7. if the register value being to write is not required to be
swapped(refer to the 'Register swapping requirement' section),
goto step 8
7a. send 0x44 PS/2 command to FSP;
7b. send the swapped register value to FSP and goto step 9;
8. send 0x33 PS/2 command to FSP;
8a. send the register value to FSP;
9. the register writing sequence is completed.
==============================================================================
* Register Listing
==============================================================================
offset width default r/w name
0x00 bit7~bit0 0x01 RO device ID
0x01 bit7~bit0 0xc0 RW version ID
0x02 bit7~bit0 0x01 RO vendor ID
0x03 bit7~bit0 0x01 RO product ID
0x04 bit3~bit0 0x01 RW revision ID
0x0b RO test mode status 1
bit3 1 RO 0: rotate 180 degree, 1: no rotation
bit5~bit4 RO number of buttons
11 => 2, lbtn/rbtn
10 => 4, lbtn/rbtn/scru/scrd
01 => 6, lbtn/rbtn/scru/scrd/scrl/scrr
00 => 6, lbtn/rbtn/scru/scrd/fbtn/bbtn
0x0f RW register file page control
bit0 0 RW 1 to enable page 1 register files
0x10 RW system control 1
bit0 1 RW Reserved, must be 1
bit1 0 RW Reserved, must be 0
bit4 1 RW Reserved, must be 0
bit5 0 RW register clock gating enable
0: read only, 1: read/write enable
(Note that following registers does not require clock gating being
enabled prior to write: 05 06 07 08 09 0c 0f 10 11 12 16 17 18 23 2e
40 41 42 43. In addition to that, this bit must be 1 when gesture
mode is enabled)
0x31 RW on-pad command detection
bit7 0 RW on-pad command left button down tag
enable
0: disable, 1: enable
0x34 RW on-pad command control 5
bit4~bit0 0x05 RW XLO in 0s/4/1, so 03h = 0010.1b = 2.5
(Note that position unit is in 0.5 scanline)
bit7 0 RW on-pad tap zone enable
0: disable, 1: enable
0x35 RW on-pad command control 6
bit4~bit0 0x1d RW XHI in 0s/4/1, so 19h = 1100.1b = 12.5
(Note that position unit is in 0.5 scanline)
0x36 RW on-pad command control 7
bit4~bit0 0x04 RW YLO in 0s/4/1, so 03h = 0010.1b = 2.5
(Note that position unit is in 0.5 scanline)
0x37 RW on-pad command control 8
bit4~bit0 0x13 RW YHI in 0s/4/1, so 11h = 1000.1b = 8.5
(Note that position unit is in 0.5 scanline)
0x40 RW system control 5
bit1 0 RW FSP Intellimouse mode enable
0: disable, 1: enable
bit2 0 RW movement + abs. coordinate mode enable
0: disable, 1: enable
(Note that this function has the functionality of bit 1 even when
bit 1 is not set. However, the format is different from that of bit 1.
In addition, when bit 1 and bit 2 are set at the same time, bit 2 will
override bit 1.)
bit3 0 RW abs. coordinate only mode enable
0: disable, 1: enable
(Note that this function has the functionality of bit 1 even when
bit 1 is not set. However, the format is different from that of bit 1.
In addition, when bit 1, bit 2 and bit 3 are set at the same time,
bit 3 will override bit 1 and 2.)
bit5 0 RW auto switch enable
0: disable, 1: enable
bit6 0 RW G0 abs. + notify packet format enable
0: disable, 1: enable
(Note that the absolute/relative coordinate output still depends on
bit 2 and 3. That is, if any of those bit is 1, host will receive
absolute coordinates; otherwise, host only receives packets with
relative coordinate.)
bit7 0 RW EN_PS2_F2: PS/2 gesture mode 2nd
finger packet enable
0: disable, 1: enable
0x43 RW on-pad control
bit0 0 RW on-pad control enable
0: disable, 1: enable
(Note that if this bit is cleared, bit 3/5 will be ineffective)
bit3 0 RW on-pad fix vertical scrolling enable
0: disable, 1: enable
bit5 0 RW on-pad fix horizontal scrolling enable
0: disable, 1: enable