[DEV][UPDATE: 2-10-11][Optimus One multitouch fixes]
- Thread starter kpbotbot
- Start date
guys in cyanogenmod7 by mik i saw this file tht i upload....i think tht it is the MELFAS firmware....!!remove it if it awful 
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what good does this do? does it minimize lag?
is this only good for CM? or cant it be used with other ROMS...
is this only good for CM? or cant it be used with other ROMS...
It is the firmware for the melfas controller- nothing new and useless- sorry
i would give a hope!It is the firmware for the melfas controller- nothing new and useless- sorry
but he wave the same touch of nexus one right?at start also nexus one had this problem....then google resolved with an update...!hope tht lg do the same!!Is there any version working good with cm7? I tried v1.1 but it was pretty laggy and the performance was reduced significantly.
Sent from my LG-P500 using XDA App
Sent from my LG-P500 using XDA App
You shouldn't flash other kernels on mik's CM7 build since some of his patches are in ther kernel. If you flash something else, some of his fixes may not be there anymore.
The inversion axis problem!!!you can see easilyon youtube with firsts reviews of nexus one..
.it had the same problem!!!with an update google resolved this problem!!!
Sent from my LG-P500 using XDA Premium App
No they didn't, inversion is controller's fault and it's impossible to fix it. A lot of htc devices has this bug since they use synaptics 2000 controler (same as in n1).
Sent from Optimus One.
BIG BUMP !
Look at this: http://www.youtube.com/watch?v=YvvoyMieI3g
All data is here: http://android.modaco.com/content/a...co-com/323467/multitouch-fix-beta-2-verision/
Look at this: http://www.youtube.com/watch?v=YvvoyMieI3g
All data is here: http://android.modaco.com/content/a...co-com/323467/multitouch-fix-beta-2-verision/
these are the structs
as you see there are other structs tht are declared...these struct are declared in libraries right?but these libraries are system lybraries?beacuse if it is yes
this is the code i think tht swap the axis and calculare the secodn touch and we can use this!
correct me if i'm wrong i'm a programmer but of java
Code:
struct h353vl01_data{
struct work_struct work;
struct i2c_client *client;
struct input_dev *input;
ts_status status;
int version;
struct auo_platform_data* platform_data;
#ifdef CONFIG_HAS_EARLYSUSPEND
struct early_suspend early_suspend;
#endif
};
static struct h353vl01_data *h353_data;
Code:
static void h353vl01_work_func(struct work_struct *work)
{
static int finger2_was_pressed=0,was_pressed;
static int oldcoord[2][2]={{0,0},{0,0}};
static int mascoord[10][2][2];
static int oldspeed[2][2]={{0,0},{0,0}};
static int curpos;
int speed[2][2]={{0,0},{0,0}};
bool flag=0;
unsigned int coord[2][2];
unsigned int rawcoord[2][2];
uint8_t data_addr = 0x40;
uint8_t buf[8] = { 0 };
int pressed = 0;
int finger2_pressed = 0;
if (h353_data->status != ACTIVE) {
set_mode(h353_data->status);
return;
};
if (1 != i2c_master_send(h353_data->client, &data_addr, 1))
goto i2c_err;
if (8 !=i2c_master_recv(h353_data->client, buf, 8))
goto i2c_err;
// coord[0]: finger1, coord[1]: finger2
rawcoord[0][0] = buf[0] + (buf[4]*256);
rawcoord[0][1] = buf[1] + (buf[5]*256);
rawcoord[1][0] = buf[2] + (buf[6]*256);
rawcoord[1][1] = buf[3] + (buf[7]*256);
pressed = (rawcoord[0][0]||rawcoord[0][1]) ? 1 : 0;
finger2_pressed = (rawcoord[1][0]||rawcoord[1][1]) ? 1 : 0;
if(!finger2_pressed) {
//Monotouch, nothing to do
coord[0][0]=rawcoord[0][0];
coord[0][1]=rawcoord[0][1];
coord[1][0]=rawcoord[1][0];
coord[1][1]=rawcoord[1][1];
//reset mascoord
/*for (a=0;a<20;a++)
{
mascoord[a][0][0]=0;
mascoord[a][0][1]=0;
mascoord[a][1][0]=0;
mascoord[a][1][1]=0;
}*/
curpos=(-1);
} else {
if(!was_pressed) {
//Ouch, two fingers appear at the same time
//Sorry I can't do that :(
coord[0][0]=rawcoord[0][0];
coord[0][1]=rawcoord[0][1];
coord[1][0]=rawcoord[1][0];
coord[1][1]=rawcoord[1][1];
} else {
#define sq(z) (z)*(z)
#define dst(x1,y1,x2,y2) (sq(rawcoord[x1][0]-oldcoord[x2][0])+sq(rawcoord[y1][1]-oldcoord[y2][1]))
#define calibrey 250
#define calibrex 200
#define massize 5
#define accuracy 10
int i,k=0;
int a;
int temp;
//Do the nearest math only on the first point, the second one can appear anywhere.
for(i=1;i<4;++i) {
if(dst(i%2, i/2, 0, 0)<dst(k%2, k/2, 0, 0))
k=i;
}
coord[0][0]=rawcoord[k%2][0];
coord[0][1]=rawcoord[k/2][1];
coord[1][0]=rawcoord[!(k%2)][0];
coord[1][1]=rawcoord[!(k/2)][1];
//writing mascoord
if (curpos==massize-1) //mascord filled
{
for (a=1;a<massize;a++)//move all coordinates
{
mascoord[a-1][0][0]=mascoord[a][0][0];
mascoord[a-1][0][1]=mascoord[a][0][1];
mascoord[a-1][1][0]=mascoord[a][1][0];
mascoord[a-1][1][1]=mascoord[a][1][1];
}
}
else curpos++;
//writing current coord to massive
if (curpos){
if ((mascoord[curpos-1][0][0]==coord[0][0])&&(mascoord[curpos-1][0][1]==coord[0][1])&&(mascoord[curpos-1][1][0]==coord[1][0])&&(mascoord[curpos-1][1][1]==coord[1][1])) curpos--;//if there is no moving, nothing happens
else if ((coord[0][1]==coord[1][1])||(coord[0][0]==coord[1][0])) curpos--;
else
{
if (abs(coord[0][0]-mascoord[curpos-1][0][0])<accuracy) mascoord[curpos][0][0]=mascoord[curpos-1][0][0];
else mascoord[curpos][0][0]=coord[0][0];
if (abs(coord[0][1]-mascoord[curpos-1][0][1])<accuracy) mascoord[curpos][0][1]=mascoord[curpos-1][0][1];
else mascoord[curpos][0][1]=coord[0][1];
if (abs(coord[1][0]-mascoord[curpos-1][1][0])<accuracy) mascoord[curpos][1][0]=mascoord[curpos-1][1][0];
else mascoord[curpos][1][0]=coord[1][0];
if (abs(coord[1][1]-mascoord[curpos-1][1][1])<accuracy) mascoord[curpos][1][1]=mascoord[curpos-1][1][1];
else mascoord[curpos][1][1]=coord[1][1];
}
}
else
{
mascoord[curpos][0][0]=coord[0][0];
mascoord[curpos][0][1]=coord[0][1];
mascoord[curpos][1][0]=coord[1][0];
mascoord[curpos][1][1]=coord[1][1];
}
//calculate speed
if (curpos==0)
{
oldspeed[0][0]=0;
oldspeed[0][1]=0;
oldspeed[1][0]=0;
oldspeed[1][1]=0;
}
else
{
speed[0][0]=mascoord[curpos][0][0]-mascoord[0][0][0];
speed[0][1]=mascoord[curpos][0][1]-mascoord[0][0][1];
speed[1][0]=mascoord[curpos][1][0]-mascoord[0][1][0];
speed[1][1]=mascoord[curpos][1][1]-mascoord[0][1][1];
}
//check speed changing (y axis)
if (((speedch(speed[0][1],oldspeed[0][1])==1)||(speedch(speed[1][1],oldspeed[1][1])==1))&&(abs(coord[0][1]-coord[1][1])<calibrey))
{
temp=coord[1][0];
coord[1][0]=coord[0][0];
coord[0][0]=temp;
curpos=-1;
}
//check speed changing (x axis)
if (((speedch(speed[0][0],oldspeed[0][0])==1)||(speedch(speed[1][0],oldspeed[1][0])==1))&&(abs(coord[0][0]-coord[1][0])<calibrex))
{
temp=coord[1][1];
coord[1][1]=coord[0][1];
coord[0][1]=temp;
curpos=-1;
}
flag=0;
oldspeed[0][0]=speed[0][0];
oldspeed[0][1]=speed[0][1];
oldspeed[1][0]=speed[1][0];
oldspeed[1][1]=speed[1][1];
}//end of block
}
if ( pressed ) {
input_report_abs(h353_data->input, ABS_X, coord[0][0] );
input_report_abs(h353_data->input, ABS_Y, coord[0][1] );
}
input_report_abs(h353_data->input, ABS_PRESSURE, pressed ? 128 : 0);
input_report_abs(h353_data->input, ABS_TOOL_WIDTH, 0);
input_report_key(h353_data->input, BTN_TOUCH, pressed );
input_report_abs(h353_data->input, ABS_MT_TOUCH_MAJOR, pressed ? 128 : 0);
input_report_abs(h353_data->input, ABS_MT_WIDTH_MAJOR, 0);
input_report_abs(h353_data->input, ABS_MT_POSITION_X, (coord[0][0]*5)/3);
input_report_abs(h353_data->input, ABS_MT_POSITION_Y, coord[0][1]);
input_mt_sync(h353_data->input);
if (finger2_pressed) {
input_report_abs(h353_data->input, ABS_MT_TOUCH_MAJOR, 128);
input_report_abs(h353_data->input, ABS_MT_WIDTH_MAJOR, 0);
input_report_abs(h353_data->input, ABS_MT_POSITION_X, (coord[1][0]*5)/3);
input_report_abs(h353_data->input, ABS_MT_POSITION_Y, coord[1][1]);
input_mt_sync(h353_data->input);
} else if (finger2_was_pressed) {
input_report_abs(h353_data->input, ABS_MT_TOUCH_MAJOR, 0);
input_report_abs(h353_data->input, ABS_MT_WIDTH_MAJOR, 0);
input_mt_sync(h353_data->input);
}
input_sync(h353_data->input);
oldcoord[0][0]=coord[0][0];
oldcoord[0][1]=coord[0][1];
oldcoord[1][0]=coord[1][0];
oldcoord[1][1]=coord[1][1];
finger2_was_pressed=finger2_pressed;
was_pressed=pressed;
return;
i2c_err:
pr_err("[TS] Work i2c error\n");
}correct me if i'm wrong i'm a programmer but of java
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In the video you can see that it still "snaps" ("snapping" is hardware related)- so it is of no use for double "analog sticks" or "analog stick left and buttons right"- why bother the cpu with calculating coordinates? That's just waste of energy.
It's all been done before- look at page one.
To really resolve the problem we need a melfas firmware which does a "matrix scan" of the touchscreen lines- if it is possible with this controller at all (melfas does not provide information about anything- I don't understand why a company buys this crap)...
I really don't understand why LG does not use the broadcom touchscreen controller used in the ipod touch (this thing is pretty old and has 10 finger multitouch)
It's all been done before- look at page one.
To really resolve the problem we need a melfas firmware which does a "matrix scan" of the touchscreen lines- if it is possible with this controller at all (melfas does not provide information about anything- I don't understand why a company buys this crap)...
I really don't understand why LG does not use the broadcom touchscreen controller used in the ipod touch (this thing is pretty old and has 10 finger multitouch
)
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It seems to work better than the one we already have. Who can give it a shot ?
Sent from my LG-P500 using XDA Premium App
Sent from my LG-P500 using XDA Premium App
Actually it's the same as the one we already have,if you look at it,it does also some really strange coordinates swap at certain times ;-)
Sent from my LG-P500 using XDA App
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