linux 事件协议分析

//

// _class & CLASS_KEYBOARD(0x00000001) == 1

// keyboard event

//

// EX:

//

Read CLASS_KEYBOARD : EV_KEY

Event deviceId: 65540,type: 0x1, scancode: 0x74, keyCode: 0x1a, flags: 1, value: 1, when: 3831734487000

Read CLASS_KEYBOARD : SYN_REPORT

Event deviceId: 65540,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 3831736232000

Read CLASS_KEYBOARD : EV_KEY

Event deviceId: 65540,type: 0x1, scancode: 0x74, keyCode: 0x1a, flags: 1, value: 0, when: 3831874527000

Read CLASS_KEYBOARD : SYN_REPORT

Event deviceId: 65540,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 3831875164000

//

//Protocol

//

EV_KEY::xxx //down xxx key is down

EV_SYN::SYN_REPORT //report

EV_KEY::xxx //up xxx key is up

EV_SYN::SYN_REPORT //report

//

// (_class & CLASS_TOUCHSCREEN(0x00000004) == 1 ) && (_class & CLASS_TOUCHSCREEN_MT(0x00000010) == 0

// single touch screen

//

// EX:

//

Read CLASS_TOUCHSCREEN : EV_ABS

Event deviceId: 0,type: 0x3, scancode: 0x0, keyCode: 0x0, flags: 0, value: 166, when: 83226491000

Read CLASS_TOUCHSCREEN : EV_ABS

Event deviceId: 0,type: 0x3, scancode: 0x1, keyCode: 0x1, flags: 0, value: 242, when: 83226580000

Read CLASS_TOUCH : EV_KEY : BTN_TOUCH

Event deviceId: 0,type: 0x1, scancode: 0x14a, keyCode: 0x0, flags: 0, value: 1, when: 83226659000

Read CLASS_TOUCHSCREEN : SYN_REPORT

Event deviceId: 0,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 83226812000

Read CLASS_TOUCHSCREEN : EV_ABS

Event deviceId: 0,type: 0x3, scancode: 0x0, keyCode: 0x0, flags: 0, value: 167, when: 88243099000

Read CLASS_TOUCHSCREEN : SYN_REPORT

Event deviceId: 0,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 88243267000

Read CLASS_TOUCHSCREEN : EV_ABS

Event deviceId: 0,type: 0x3, scancode: 0x0, keyCode: 0x0, flags: 0, value: 168, when: 88259031000

Read CLASS_TOUCHSCREEN : SYN_REPORT

Event deviceId: 0,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 88259135000

Read CLASS_TOUCH : EV_KEY : BTN_TOUCH

Event deviceId: 0,type: 0x1, scancode: 0x14a, keyCode: 0x0, flags: 0, value: 0, when: 90508923000

Read CLASS_TOUCHSCREEN : SYN_REPORT

Event deviceId: 0,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 90509047000

//

//Protocol

//

//down

EV_ABS::ABS_X //absolute x-axis value

EV_ABS::ABS_Y //absolute y-axis value

EV_KEY::BTN_TOUCH //state == 1 down

EV_SYN::SYN_REPORT //report

//move

//1: both

EV_ABS::ABS_X

EV_ABS::ABS_Y

EV_SYN::SYN_REPORT //report

//2: x

EV_ABS::ABS_X

EV_SYN::SYN_REPORT //report

//3: y

EV_ABS::ABS_Y

EV_SYN::SYN_REPORT //report

... //more

//up

EV_KEY::BTN_TOUCH //state == 0 up

EV_SYN::SYN_REPORT //report

//

// _class & CLASS_TOUCHSCREEN(0x00000004) == 1

// multi_touch screen

// see: Tegra_odm.c search: ABS_MT_TOUCH_MAJOR

// EX:

//

//single finger

//

//finger down:

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 1, when: 4636891598000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x35, keyCode: 0x35, flags: 0, value: 209, when: 4636891638000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x36, keyCode: 0x36, flags: 0, value: 269, when: 4636891652000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 4636891665000

Read CLASS_TOUCHSCREEN_MT : SYN_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 4636891675000

//finger move:

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 1, when: 4636902628000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x35, keyCode: 0x35, flags: 0, value: 209, when: 4636902669000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x36, keyCode: 0x36, flags: 0, value: 268, when: 4636902682000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 4636902695000

Read CLASS_TOUCHSCREEN_MT : SYN_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 4636902705000

... //more

//finger up:

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 0, when: 4637274042000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 4637274073000

Read CLASS_TOUCHSCREEN_MT : SYN_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 4637274082000

//

//Protocol_1(single finger)

//

EV_ABS::ABS_MT_TOUCH_MAJOR

EV_ABS::ABS_MT_POSITION_X

EV_ABS::ABS_MT_POSITION_Y

EV_SYN::SYN_MT_REPORT //report

EV_SYN::SYN_REPORT //report

... //more

EV_ABS::ABS_MT_TOUCH_MAJOR

EV_SYN::SYN_MT_REPORT //report

EV_SYN::SYN_REPORT //report

//

//multi_finger

//

//finger_1 down:

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 1, when: 5246937870000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x35, keyCode: 0x35, flags: 0, value: 220, when: 5246938447000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x36, keyCode: 0x36, flags: 0, value: 188, when: 5246938690000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 5246938931000

//finger_2 down:

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 1, when: 5246939139000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x35, keyCode: 0x35, flags: 0, value: 219, when: 5246939346000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x36, keyCode: 0x36, flags: 0, value: 678, when: 5246941381000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 5246941663000

//report two fingers

Read CLASS_TOUCHSCREEN_MT : SYN_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 5246941871000

//finger_1 move:

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 1, when: 5246949798000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x35, keyCode: 0x35, flags: 0, value: 219, when: 5246949839000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x36, keyCode: 0x36, flags: 0, value: 188, when: 5246949853000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 5246949865000

//finger_2 move:

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 1, when: 5246949878000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x35, keyCode: 0x35, flags: 0, value: 219, when: 5246949890000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x36, keyCode: 0x36, flags: 0, value: 677, when: 5246949902000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 5246949913000

//report two fingers

Read CLASS_TOUCHSCREEN_MT : SYN_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 5246949923000

//finger_1 move:

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 1, when: 5246962686000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x35, keyCode: 0x35, flags: 0, value: 219, when: 5246962723000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x36, keyCode: 0x36, flags: 0, value: 188, when: 5246962737000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 5246962749000

//finger_2 move:

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 1, when: 5246962761000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x35, keyCode: 0x35, flags: 0, value: 220, when: 5246962773000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x36, keyCode: 0x36, flags: 0, value: 677, when: 5246962784000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 5246962796000

//report two fingers

Read CLASS_TOUCHSCREEN_MT : SYN_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 5246962806000

//finger_2 move: finger_1 is up

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 1, when: 5246999654000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x35, keyCode: 0x35, flags: 0, value: 219, when: 5246999691000

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x36, keyCode: 0x36, flags: 0, value: 188, when: 5246999705000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 5246999717000

//report two fingers

Read CLASS_TOUCHSCREEN_MT : SYN_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 5246999727000

//all fingers up

Read CLASS_TOUCHSCREEN_MT : EV_ABS

Event deviceId: 65542,type: 0x3, scancode: 0x30, keyCode: 0x30, flags: 0, value: 0, when: 5247036729000

Read CLASS_TOUCHSCREEN_MT : SYN_MT_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x2, keyCode: 0x2, flags: 0, value: 0, when: 5247036763000

Read CLASS_TOUCHSCREEN_MT : SYN_REPORT

Event deviceId: 65542,type: 0x0, scancode: 0x0, keyCode: 0x0, flags: 0, value: 0, when: 5247036775000

//

//Protocol_1(multi_finger)

//

//finger_1

EV_ABS::ABS_MT_TOUCH_MAJOR

EV_ABS::ABS_MT_POSITION_X

EV_ABS::ABS_MT_POSITION_Y

EV_SYN::SYN_MT_REPORT //report finger_1

... //more

//finger_n

EV_ABS::ABS_MT_TOUCH_MAJOR

EV_ABS::ABS_MT_POSITION_X

EV_ABS::ABS_MT_POSITION_Y

EV_SYN::SYN_MT_REPORT //report finger_n

EV_SYN::SYN_REPORT //report all

EV_ABS::ABS_MT_TOUCH_MAJOR

EV_SYN::SYN_MT_REPORT //report

EV_SYN::SYN_REPORT //report

//

//others:

//

//~/software/eclipse/android-sdk-linux_86/tools$ ./emulator -avd vaney -partition-size 256