Attachment 124205 Details for Bug 96267 – parse_synaptics.py

parse_synaptics.py

parse_synaptics.py (text/plain), 4.60 KB, created by Benjamin Tissoires on 2016-05-31 08:52:26 UTC

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Creator: Benjamin Tissoires

Created: 2016-05-31 08:52:26 UTC

Size: 4.60 KB

patch

obsolete

>#!/bin/env python3
># -*- coding: utf-8 -*-
>
>#  This program is free software; you can redistribute it and/or modify
>#  it under the terms of the GNU General Public License as published by
>#  the Free Software Foundation; either version 2 of the License, or
>#  (at your option) any later version.
>#  
>#  This program is distributed in the hope that it will be useful,
>#  but WITHOUT ANY WARRANTY; without even the implied warranty of
>#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>#  GNU General Public License for more details.
>#  
>
>import sys
>
>class AGM(object):
>	def __init__(self):
>		self.w = None
>		self.x = None
>		self.y = None
>		self.z = None
>		self.agm_count = None
>
>#	hw->w = (((buf[0] & 0x30) >> 2) |
>#		 ((buf[0] & 0x04) >> 1) |
>#		 ((buf[3] & 0x04) >> 2));
>#
>#	if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) ||
>#		SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) &&
>#	    hw->w == 2) {
>#		synaptics_parse_agm(buf, priv, hw);
>#		return 1;
>#	}
>#
>#	hw->x = (((buf[3] & 0x10) << 8) |
>#		 ((buf[1] & 0x0f) << 8) |
>#		 buf[4]);
>#	hw->y = (((buf[3] & 0x20) << 7) |
>#		 ((buf[1] & 0xf0) << 4) |
>#		 buf[5]);
>#	hw->z = buf[2];
>#
>#	hw->left  = (buf[0] & 0x01) ? 1 : 0;
>#	hw->right = (buf[0] & 0x02) ? 1 : 0;
>#
>#	if (priv->is_forcepad) {
>#		/*
>#		 * ForcePads, like Clickpads, use middle button
>#		 * bits to report primary button clicks.
>#		 * Unfortunately they report primary button not
>#		 * only when user presses on the pad above certain
>#		 * threshold, but also when there are more than one
>#		 * finger on the touchpad, which interferes with
>#		 * out multi-finger gestures.
>#		 */
>#		if (hw->z == 0) {
>#			/* No contacts */
>#			priv->press = priv->report_press = false;
>#		} else if (hw->w >= 4 && ((buf[0] ^ buf[3]) & 0x01)) {
>#			/*
>#			 * Single-finger touch with pressure above
>#			 * the threshold. If pressure stays long
>#			 * enough, we'll start reporting primary
>#			 * button. We rely on the device continuing
>#			 * sending data even if finger does not
>#			 * move.
>#			 */
>#			if  (!priv->press) {
>#				priv->press_start = jiffies;
>#				priv->press = true;
>#			} else if (time_after(jiffies,
>#					priv->press_start +
>#						msecs_to_jiffies(50))) {
>#				priv->report_press = true;
>#			}
>#		} else {
>#			priv->press = false;
>#		}
>#
>#		hw->left = priv->report_press;
>#
>#	} else if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
>#		/*
>#		 * Clickpad's button is transmitted as middle button,
>#		 * however, since it is primary button, we will report
>#		 * it as BTN_LEFT.
>#		 */
>#		hw->left = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
>#
>#	} else if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) {
>#		hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
>#		if (hw->w == 2)
>#			hw->scroll = (signed char)(buf[1]);
>#	}
>#
>#	if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) {
>#		hw->up   = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0;
>#		hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0;
>#	}
>#
>#	if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 0 &&
>#	    ((buf[0] ^ buf[3]) & 0x02)) {
>#		synaptics_parse_ext_buttons(buf, priv, hw);
>#	}
>
>def parse_agm(buf, w):
>	agm = AGM()
>	agm_packet_type = (buf[5] & 0x30) >> 4
>	if agm_packet_type == 1:
>		# Gesture packet: (x, y, z) half resolution
>		agm.w = w
>		agm.x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1
>		agm.y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1
>		agm.z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1
>	elif agm_packet_type == 2:
>		# AGM-CONTACT packet: we are only interested in the count
>		agm.agm_count = buf[1]
>	return agm
>
>def process_synaptics_packet(time, buf):
>	str_buf = ["{0:02x}".format(d) for d in buf]
>	timestamp = "{0:02.06f}".format(time / 1000000)
>	w = (((buf[0] & 0x30) >> 2) |
>	     ((buf[0] & 0x04) >> 1) |
>	     ((buf[3] & 0x04) >> 2))
>	if w == 2:
>		agm = parse_agm(buf, w)
>		print(timestamp, str_buf, "w:", w, "(AGM)", "x:", agm.x, "y:", agm.y, "z:", agm.z)
>		return
>
>	x = (((buf[3] & 0x10) << 8) |
>	     ((buf[1] & 0x0f) << 8) |
>	     buf[4])
>	y = (((buf[3] & 0x20) << 7) |
>	     ((buf[1] & 0xf0) << 4) |
>	     buf[5])
>	z = buf[2]
>
>#	left  = (buf[0] & 0x01) ? 1 : 0;
>#	right = (buf[0] & 0x02) ? 1 : 0;
>
>	print(timestamp, str_buf, "w:", w, "(SGM)", "x:", x, "y:", y, "z:", z)
>
>current_data = []
>
>with open(sys.argv[1]) as f_in:
>	request = False
>	for line in f_in.readlines():
>		if line.startswith("S:"):
>			print(line)
>			continue
>		if not line.startswith('E:'):
>			continue
>		e, time, r, data, rest = line.split(maxsplit=4)
>		try:
>			time = int(time)
>			data = int(data, 16)
>		except:
>			continue
>		if r == "S":
>			request = True
>			continue
>		if r != "R":
>			continue
>		if request:
>			request = False
>			current_data = []
>			continue
>		current_data.append(data)
>		if len(current_data) == 6:
>			process_synaptics_packet(time, current_data)
>			current_data = []

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Attachments on bug 96267: 124157 | 124193 | 124203 | 124204 | 124205

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