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input: -128 is illegal value. Limit to -127..+127 range.

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This commit is contained in:
sorgelig
2019-02-13 16:44:34 +08:00
parent ae98863cca
commit 7f721a5a5f
1 changed files with 6 additions and 4 deletions
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10
input.cpp
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@@ -1923,6 +1923,8 @@ static void input_cb(struct input_event *ev, struct input_absinfo *absinfo, int
{
//convert to 0..255 range
int value = ((ev->value - absinfo->minimum) * 256) / (absinfo->maximum - absinfo->minimum + 1);
value = (value < 127 || value>129) ? value - 128 : 0;
if (value < -127) value = -127;
//printf("ABS: axis %d = %d -> %d\n", ev->code, ev->value, value);
if (mouse_emu)
@@ -1930,7 +1932,7 @@ static void input_cb(struct input_event *ev, struct input_absinfo *absinfo, int
if (ev->code == 0) // x
{
mouse_emu_x = 0;
if (value < 127 || value>129) mouse_emu_x = value - 128;
if (value < -1 || value>1) mouse_emu_x = value;
mouse_emu_x /= 12;
return;
}
@@ -1938,7 +1940,7 @@ static void input_cb(struct input_event *ev, struct input_absinfo *absinfo, int
if (ev->code == 1) // y
{
mouse_emu_y = 0;
if (value < 127 || value>129) mouse_emu_y = value - 128;
if (value < -1 || value>1) mouse_emu_y = value;
mouse_emu_y /= 12;
return;
}
@@ -1955,7 +1957,7 @@ static void input_cb(struct input_event *ev, struct input_absinfo *absinfo, int
if (ev->code == 0) // x
{
int offset = 0;
if (value < 127 || value>129) offset = value - 128;
if (value < -1 || value>1) offset = value;
//printf("analog_x = %d\n", offset);
joy_analog(input[dev].num, 0, offset);
return;
@@ -1964,7 +1966,7 @@ static void input_cb(struct input_event *ev, struct input_absinfo *absinfo, int
if (ev->code == 1) // y
{
int offset = 0;
if (value < 127 || value>129) offset = value - 128;
if (value < -1 || value>1) offset = value;
//printf("analog_y = %d\n", offset);
joy_analog(input[dev].num, 1, offset);
return;