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Old 11-16-2012, 09:21 PM   #16
twobob
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Double fingers = middle click. Triple = "bugger all" or middle click

xmodmap -e "pointer = 1 3 2" to remap right to middle and vice versa.

I have the bits now to run this stuff without debian as outlined: http://www.mobileread.com/forums/sho...&postcount=107

will stick it in the mix.

thanks all for your help.
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Old 11-17-2012, 12:49 AM   #17
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Quote:
Originally Posted by h1uke View Post
just FYI. My impression that linux touchscreen device driver on PW cannot
convey 3- or more fingers tap messages.
I tried this many times while creating a rudimentary touchscreen support for Qt
on KPW, but with no luck.
PW touchscreen kernel driver code expects up to 16 simultaneous touches, but tracks only up to 4. PW uses Cypress TrueTocuh Gen3 touchscreen, which certainly supports more than 2 simultaneous touches: you can look at it's capabilities at http://www.cypress.com/touch (open "Solutions" tab; can't provide direct link).

Excerpt from 5.3.0 kernel sources:
Spoiler:
Code:
$ grep -A34 -m1 cyttsp_i2c_platform_data drivers/input/touchscreen/cyttsp.c
static struct cyttsp_platform_data cyttsp_i2c_platform_data = {
	.mt_sync = 0,
	.maxx = 758,
	.maxy = 1024,
	.flags = 0,
	.gen = CY_GEN3,
	.use_st = 0,
	.use_mt = 1,
	.use_trk_id = 1,
	.use_hndshk = 1,
	.use_timer = 0,
	.use_sleep = 1,
	.use_gestures = 0,
	.use_load_file = 1,
	.use_force_fw_update = 1,
	.use_virtual_keys = 0,
	.use_lpm = 0,
	/* activate up to 4 groups
	 * and set active distance
	 */
	.gest_set = 0,
	/* change act_intrvl to customize the Active power state
	 * scanning/processing refresh interval for Operating mode
	 */
	.act_intrvl = CY_ACT_INTRVL_DFLT,
	/* change tch_tmout to customize the touch timeout for the
	 * Active power state for Operating mode
	 */
	.tch_tmout = CY_TCH_TMOUT_DFLT,
	/* change lp_intrvl to customize the Low Power power state
	 * scanning/processing refresh interval for Operating mode
	 */
	.lp_intrvl = CY_LP_INTRVL_DFLT,
	.name = CY_DRIVER_NAME,
};
Code:
$ grep -B1 -m3 'CY_NUM.*ID' drivers/input/touchscreen/cyttsp.h
/* maximum number of concurrent ST track IDs */
#define CY_NUM_ST_TCH_ID            2
/* maximum number of concurrent MT track IDs */
#define CY_NUM_MT_TCH_ID            4
/* maximum number of track IDs */
#define CY_NUM_TRK_ID               16
Code:
$ grep mt_create_slots drivers/input/touchscreen/cyttsp.c
		input_mt_create_slots(input_device, CY_NUM_TRK_ID);
Code:
$ grep -A33 Multi-Touch ./drivers/input/touchscreen/cyttsp.c
	/* set Multi-Touch current event signals */
	for (id = 0; id < CY_NUM_MT_TCH_ID; id++) {
		if (t->cur_mt_tch[id] >= CY_NUM_TRK_ID)
			continue;
		
		if ((slot = find_slot_by_id(t->cur_mt_tch[id])) < 0)
		{
			slot = find_next_slot();
			slots[slot] = t->cur_mt_tch[id];				
		}
		
		input_report_abs(ts->input, ABS_MT_SLOT, slot);
		input_report_abs(ts->input, ABS_MT_TRACKING_ID, slot);

		input_report_abs(ts->input, ABS_MT_POSITION_X,
						t->cur_mt_pos[id][CY_XPOS]);
		input_report_abs(ts->input, ABS_MT_POSITION_Y,
						t->cur_mt_pos[id][CY_YPOS]);
		if (mt_sync_func)
			mt_sync_func(ts->input);

		ts->act_trk[id] = CY_TCH;
		ts->prv_mt_pos[id][CY_XPOS] = t->cur_mt_pos[id][CY_XPOS];
		ts->prv_mt_pos[id][CY_YPOS] = t->cur_mt_pos[id][CY_YPOS];
		contacts_left++;
	}

	send_user_event(ts, ts->num_prv_st_tch, contacts_left);
	ts->num_prv_st_tch = contacts_left;
	
	input_report_key(ts->input, BTN_TOUCH, contacts_left > 0);
	input_report_key(ts->input, BTN_TOOL_FINGER, contacts_left >= 1);
	input_report_key(ts->input, BTN_TOOL_DOUBLETAP, contacts_left >= 2);
	input_report_key(ts->input, BTN_TOOL_TRIPLETAP, contacts_left == 3);


KT touchscreen driver has similar explicit limitation for number of simultaneous touches:
Code:
$ grep -B1 -m1 MAX_CONTACTS drivers/input/touchscreen/zforceint.h
/* Device specific configuration */
#define MAX_CONTACTS                2    // Maximum number of contacts the sensor can report
Code:
$ grep mt_create_slots drivers/input/touchscreen/zforce.c  
  input_mt_create_slots(tdev, MAX_CONTACTS);
BTW, you can try your's luck with enabling of 1mm stylus sensing (selection should be possible with file buried somewhere in /sys):
Spoiler:
Code:
$ grep -B1 CY_SCN drivers/input/touchscreen/cyttsp.h
/* Scan Type selection for finger and/or stylus activation */
#define CY_SCN_TYP_DFLT 0x01 /* finger only mutual scan */
#define CY_SCN_TYP_MUT_SELF 0x03 /*self scan and mutual scan*/
#define CY_SCN_TYP_SELF 0x02 /*self scan*/
#define CY_SCN_TYP_MUTUAL 0x01 /*mutual scan*/
Code:
$ grep '\(mutual\|self\|scan\)' ./drivers/input/touchscreen/cyttsp.c
	 * scanning/processing refresh interval for Operating mode
	 * scanning/processing refresh interval for Operating mode
 * 	test mode, scan type, 
 * 	TT_MODE[7:6] new data counter (00, 10 or 01 11), TT_MODE[1:0] scan type
		printk(KERN_INFO "%s:scan_type=0x%x\n", __func__, cyttsp_tsc->scn_typ);
	 * new data counter TT_MODE[7:6] = 00, scan type TT_MODE[1:0] = 00 (mutual scan)
	sscanf(buf, "%d %d %d", &ai, &tout, &li);
static ssize_t attr_sysinfo_scan_type_show(struct device *dev,
		printk(KERN_ERR "cyttsp:scan_type::cannot communicate when device is suspended");
	printk(KERN_INFO "scan type read 0x%x", scn_typ);
			len = sprintf(buf, "mutual-self");
			len = sprintf(buf, "mutual");
			len = sprintf(buf, "self");
			len = sprintf(buf, "?scan type: 0x%x", scn_typ);
static ssize_t attr_sysinfo_scan_type_store(struct device *dev,
		printk(KERN_ERR "cyttsp:scan_type::cannot communicate when device is suspended");
		if(0 == strncmp(buf, "mutual", 6)) {
		}else if(0 == strncmp(buf, "self", 4)) {
		}else if(0 == strncmp(buf, "mutual-self", 11)) {
			printk(KERN_ERR "cannot recognize scan type %s", buf);
		printk(KERN_INFO "\n\n%s scan_type read: 0x%x\n\n", __func__, st_read);
	printk(KERN_INFO "\n\n%s scan_type read: 0x%x retry %d\n\n", __func__, st_read, retry);	
static struct device_attribute sysinfo_scan_type =
	__ATTR(sysinfo_scan_type, 0644, attr_sysinfo_scan_type_show, attr_sysinfo_scan_type_store);	
	retval = device_create_file(&pdev->dev, &sysinfo_scan_type);	
		goto device_create_error_scan_type;
device_create_error_scan_type:
	device_remove_file(&pdev->dev, &sysinfo_scan_type);
	device_remove_file(&pdev->dev, &sysinfo_scan_type);
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Old 11-17-2012, 03:02 AM   #18
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Quote:
Originally Posted by eureka View Post
BTW, you can try your's luck with enabling of 1mm stylus sensing
.. and use three styli simultaneously to operate the Kindle..

On a serious note: my goal was more practical. I was trying to find a neutral gesture
which could serve as a user special action introducer, and at the same time, minimally
disturb the standard Kindle software. Based on what I observed, the "Tool Tripletap" was
excluded from consideration. Events of this kind are not signaled (by the driver?) and
do not reach the application. The reason for that is currently unknown.
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Old 11-17-2012, 03:33 AM   #19
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Quote:
Originally Posted by h1uke View Post
.. and use three styli simultaneously to operate the Kindle..
I was just curious, whether scan modes really could be changed on PW and whether thin stylus will really works on capacitive touchscreen (in self scan mode, maybe?).
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Old 11-17-2012, 09:13 AM   #20
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Quote:
Originally Posted by h1uke View Post
On a serious note: my goal was more practical. I was trying to find a neutral gesture
which could serve as a user special action introducer, and at the same time, minimally
disturb the standard Kindle software. Based on what I observed, the "Tool Tripletap" was
excluded from consideration. Events of this kind are not signaled (by the driver?) and
do not reach the application. The reason for that is currently unknown.
Good choice might be long press, which AFAIR has its unique Xevent code.
For example short press selects item, long press opens context menu.
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Old 11-17-2012, 09:29 AM   #21
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Quote:
Originally Posted by h1uke View Post
On a serious note: my goal was more practical. I was trying to find a neutral gesture
which could serve as a user special action introducer, and at the same time, minimally
disturb the standard Kindle software. Based on what I observed, the "Tool Tripletap" was
excluded from consideration. Events of this kind are not signaled (by the driver?) and
do not reach the application. The reason for that is currently unknown.
Do you want to implement launchpad analog for PW?

If it will help you, you can intercept user press on Menu button with lipc-set-prop command (but don't use double click event, as shown in linked example, it's very hard to make double click). interrogatePillow property of com.lab126.pillow allows to execute arbitrary JavaScript code in context of HTML page representing top bar (with search field, Menu button, etc.). With manipulating of DOM you can also add your own button to top bar. It will be a bit like GUI launcher, but it will work not only at Home screen.
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Old 11-17-2012, 09:32 AM   #22
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pcmanfm

If you want to test pcmanfm, here is a binary for KT. I only changed window title so that it is properly mapped in window manager. I didn't test it deeply, but it surely needs further development. It crashes sometimes and I suppose some windows may not open properly. It also misses some pixmaps etc. But you can get general idea of what it looks like in Kindle.
Attached Files
File Type: zip pcmanfm.zip (165.3 KB, 38 views)
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Old 11-17-2012, 11:54 AM   #23
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Quote:
Originally Posted by baf View Post
If you want to test pcmanfm, here is a binary for KT. I only changed window title so that it is properly mapped in window manager. I didn't test it deeply, but it surely needs further development. It crashes sometimes and I suppose some windows may not open properly. It also misses some pixmaps etc. But you can get general idea of what it looks like in Kindle.
nice. only bug I spotted was preferences don't pop up.
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