DESK-MP1-L/Peripherals/Touchscreen
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| Issue Date | Notes | ||
| 2023/08/02 | DESK-MP1-L-1.0.0 release | ||
Pheripheral Touchscreen[edit | edit source]
The screen supplied with the kit has a capacitive touchscreen, it is connected to the board via the USB OTG port
Linux messages at boot time[edit | edit source]
... [ 3.408937] usb 1-1: new full-speed USB device number 2 using dwc2 [ 3.678177] input: ILITEK ILITEK-TP as /devices/platform/soc/49000000.usb-otg/usb1/1-1/1-1:1.0/0003:222A:0001.0001/input/input1 [ 3.689297] hid-multitouch 0003:222A:0001.0001: input,hidraw0: USB HID v1.10 Device [ILITEK ILITEK-TP] on usb-49000000.usb-otg-1/input0 [ 3.705350] input: ILITEK ILITEK-TP Mouse as /devices/platform/soc/49000000.usb-otg/usb1/1-1/1-1:1.1/0003:222A:0001.0002/input/input2 [ 3.717019] hid-generic 0003:222A:0001.0002: input,hidraw1: USB HID v1.10 Mouse [ILITEK ILITEK-TP] on usb-49000000.usb-otg-1/input1 ...
Usage with evtest[edit | edit source]
Use command evtest:
root@desk-mp1:~# evtest
No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0: pmic_onkey
/dev/input/event1: ILITEK ILITEK-TP
/dev/input/event2: ILITEK ILITEK-TP Mouse
Select the device event number [0-2]: 1
Input driver version is 1.0.1
Input device ID: bus 0x3 vendor 0x222a product 0x1 version 0x110
Input device name: "ILITEK ILITEK-TP"
Supported events:
Event type 0 (EV_SYN)
Event type 1 (EV_KEY)
Event code 330 (BTN_TOUCH)
Event type 3 (EV_ABS)
Event code 0 (ABS_X)
Value 0
Min 0
Max 16384
Resolution 53
Event code 1 (ABS_Y)
Value 0
Min 0
Max 9600
Resolution 55
Event code 47 (ABS_MT_SLOT)
Value 0
Min 0
Max 9
Event code 53 (ABS_MT_POSITION_X)
Value 0
Min 0
Max 16384
Resolution 53
Event code 54 (ABS_MT_POSITION_Y)
Value 0
Min 0
Max 9600
Resolution 55
Event code 57 (ABS_MT_TRACKING_ID)
Value 0
Min 0
Max 65535
Event type 4 (EV_MSC)
Event code 5 (MSC_TIMESTAMP)
Properties:
Property type 1 (INPUT_PROP_DIRECT)
Testing ... (interrupt to exit)
Event: time 1690972553.988150, type 3 (EV_ABS), code 57 (ABS_MT_TRACKING_ID), value 0
Event: time 1690972553.988150, type 3 (EV_ABS), code 53 (ABS_MT_POSITION_X), value 7993
Event: time 1690972553.988150, type 3 (EV_ABS), code 54 (ABS_MT_POSITION_Y), value 4871
Event: time 1690972553.988150, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 1
Event: time 1690972553.988150, type 3 (EV_ABS), code 0 (ABS_X), value 7993
Event: time 1690972553.988150, type 3 (EV_ABS), code 1 (ABS_Y), value 4871
Event: time 1690972553.988150, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value 0
Event: time 1690972553.988150, -------------- SYN_REPORT ------------
Event: time 1690972553.994101, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value 8000
Event: time 1690972553.994101, -------------- SYN_REPORT ------------
Event: time 1690972554.000104, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value 16000
Event: time 1690972554.000104, -------------- SYN_REPORT ------------
Event: time 1690972554.006103, type 3 (EV_ABS), code 57 (ABS_MT_TRACKING_ID), value -1
Event: time 1690972554.006103, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 0
Event: time 1690972554.006103, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value 24000
Event: time 1690972554.006103, -------------- SYN_REPORT ------------
