TSAPI struct tslib_module_info *linear_mod_init(struct tsdev *dev, const char *params)
{
struct tslib_linear *lin;
struct stat sbuf;
FILE *pcal_fd;
int index;
char *calfile;
lin = malloc(sizeof(struct tslib_linear));
if (lin == NULL)
return NULL;
lin->module.ops = &linear_ops;
// Use default values that leave ts numbers unchanged after transform
lin->a[0] = 1;
lin->a[1] = 0;
lin->a[2] = 0;
lin->a[3] = 0;
lin->a[4] = 1;
lin->a[5] = 0;
lin->a[6] = 1;
lin->p_offset = 0;
lin->p_mult = 1;
lin->p_div = 1;
lin->swap_xy = 0;
/*
* Check calibration file
*/
if( (calfile = getenv("TSLIB_CALIBFILE")) == NULL) calfile = TS_POINTERCAL;
if (stat(calfile, &sbuf)==0) {
pcal_fd = fopen(calfile, "r");
for (index = 0; index < 7; index++)
if (fscanf(pcal_fd, "%d", &lin->a[index]) != 1) break;
fscanf(pcal_fd, "%d %d", &lin->cal_res_x, &lin->cal_res_y);
#ifdef DEBUG
printf("Linear calibration constants: ");
for(index=0;index<7;index++) printf("%d ",lin->a[index]);
printf("\n");
#endif /*DEBUG*/
fclose(pcal_fd);
}
/*
* Parse the parameters.
*/
if (tslib_parse_vars(&lin->module, linear_vars, NR_VARS, params)) {
free(lin);
return NULL;
}
return &lin->module;
}
TSAPI struct tslib_module_info *cy8mrln_palmpre_mod_init(struct tsdev *dev, const char *params)
{
struct tslib_cy8mrln_palmpre *info;
struct cy8mrln_palmpre_input input;
int ret = 0;
info = malloc(sizeof(struct tslib_cy8mrln_palmpre));
if (info == NULL)
return NULL;
info->module.ops = &cy8mrln_palmpre_ops;
/* required to set the default valuse */
info->module.dev = dev;
info->last_valid_samples = NULL;
info->last_n_valid_samples = 0;
cy8mrln_palmpre_set_verbose(info, DEFAULT_VERBOSE);
cy8mrln_palmpre_set_scanrate(info, DEFAULT_SCANRATE);
cy8mrln_palmpre_set_timestamp_mode(info, DEFAULT_TIMESTAMP_MODE);
cy8mrln_palmpre_set_sleepmode(info, DEFAULT_SLEEPMODE);
cy8mrln_palmpre_set_wot_scanrate(info, DEFAULT_WOT_SCANRATE);
cy8mrln_palmpre_set_wot_threshold(info, DEFAULT_WOT_THRESHOLD);
cy8mrln_palmpre_set_gesture_height(info, DEFAULT_GESTURE_HEIGHT);
cy8mrln_palmpre_set_noise(info, DEFAULT_NOISE);
cy8mrln_palmpre_set_pressure(info, DEFAULT_PRESSURE);
cy8mrln_palmpre_set_sensor_offset_x (info, DEFAULT_SENSOR_OFFSET_X);
cy8mrln_palmpre_set_sensor_offset_y (info, DEFAULT_SENSOR_OFFSET_Y);
cy8mrln_palmpre_set_sensor_delta_x (info, DEFAULT_SENSOR_DELTA_X);
cy8mrln_palmpre_set_sensor_delta_y (info, DEFAULT_SENSOR_DELTA_Y);
info->discard_frames = 0;
if (tslib_parse_vars(&info->module, cy8mrln_palmpre_vars, NR_VARS, params)) {
free(info);
return NULL;
}
/* We need the intial values the touchscreen repots with no touch input for
* later use */
do {
ret = read(dev->fd, &input, sizeof(input));
} while (ret <= 0);
memcpy(info->references, input.field, H_FIELDS * V_FIELDS * sizeof(uint16_t));
return &(info->module);
}
TSAPI struct tslib_module_info *mod_init(struct tsdev *dev, const char *params)
{
struct tslib_dejitter *djt;
djt = malloc(sizeof(struct tslib_dejitter));
if (djt == NULL)
return NULL;
memset(djt, 0, sizeof(struct tslib_dejitter));
djt->module.ops = &dejitter_ops;
djt->delta = 100;
djt->head = 0;
if (tslib_parse_vars(&djt->module, dejitter_vars, NR_VARS, params)) {
free(djt);
return NULL;
}
djt->delta = sqr (djt->delta);
return &djt->module;
}
TSAPI struct tslib_module_info *variance_mod_init(struct tsdev *dev, const char *params)
{
struct tslib_variance *var;
var = malloc(sizeof(struct tslib_variance));
if (var == NULL)
return NULL;
var->module.ops = &variance_ops;
var->delta = 30;
var->flags = 0;
if (tslib_parse_vars(&var->module, variance_vars, NR_VARS, params)) {
free(var);
return NULL;
}
var->delta = sqr (var->delta);
return &var->module;
}
TSAPI struct tslib_module_info *waveshare_mod_init(struct tsdev *dev,
const char *params)
{
struct tslib_input *i;
(void) dev;
i = malloc(sizeof(struct tslib_input));
if (i == NULL)
return NULL;
i->module.ops = &waveshare_ops;
i->vendor = 0;
i->product = 0;
i->len = 25;
if (tslib_parse_vars(&i->module, raw_vars, NR_VARS, params)) {
free(i);
return NULL;
}
return &(i->module);
}
TSAPI struct tslib_module_info *input_mod_init(struct tsdev *dev, const char *params)
{
struct tslib_input *i;
i = malloc(sizeof(struct tslib_input));
if (i == NULL)
return NULL;
i->module.ops = &__ts_input_ops;
i->current_x = 0;
i->current_y = 0;
i->current_p = 0;
i->sane_fd = 0;
i->using_syn = 0;
i->grab_events = 0;
if (tslib_parse_vars(&i->module, raw_vars, NR_VARS, params)) {
free(i);
return NULL;
}
return &(i->module);
}
TSAPI struct tslib_module_info *mod_init(struct tsdev *dev, const char *params)
{
struct tslib_pthres *p;
p = malloc(sizeof(struct tslib_pthres));
if (p == NULL)
return NULL;
p->module.ops = &pthres_ops;
p->pmin = 1;
p->pmax = INT_MAX;
/*
* Parse the parameters.
*/
if (tslib_parse_vars(&p->module, pthres_vars, NR_VARS, params)) {
free(p);
return NULL;
}
return &p->module;
}
TSAPI struct tslib_module_info *mod_init(struct tsdev *dev, const char *params)
{
struct tslib_linear *lin;
struct stat sbuf;
int pcal_fd;
char pcalbuf[200];
int index;
char *tokptr;
char *calfile=NULL;
char *defaultcalfile = "/etc/pointercal";
lin = malloc(sizeof(struct tslib_linear));
if (lin == NULL)
return NULL;
lin->module.ops = &linear_ops;
// Use default values that leave ts numbers unchanged after transform
lin->a[0] = 1;
lin->a[1] = 0;
lin->a[2] = 0;
lin->a[3] = 0;
lin->a[4] = 1;
lin->a[5] = 0;
lin->a[6] = 1;
lin->p_offset = 0;
lin->p_mult = 1;
lin->p_div = 1;
lin->swap_xy = 0;
/*
* Check calibration file
*/
if( (calfile = getenv("TSLIB_CALIBFILE")) == NULL) calfile = defaultcalfile;
if(stat(calfile,&sbuf)==0) {
pcal_fd = open(calfile,O_RDONLY);
read(pcal_fd,pcalbuf,200);
lin->a[0] = atoi(strtok(pcalbuf," "));
index=1;
while(index<7) {
tokptr = strtok(NULL," ");
if(*tokptr!='\0') {
lin->a[index] = atoi(tokptr);
index++;
}
}
#ifdef DEBUG
printf("Linear calibration constants: ");
for(index=0;index<7;index++) printf("%d ",lin->a[index]);
printf("\n");
#endif /*DEBUG*/
close(pcal_fd);
}
/*
* Parse the parameters.
*/
if (tslib_parse_vars(&lin->module, linear_vars, NR_VARS, params)) {
free(lin);
return NULL;
}
return &lin->module;
}
