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Updated evdev-joystick for latest changes from upstream.

This commit is contained in:
Stephen Anthony 2019-04-26 15:15:01 -02:30
parent 35ca8edbaf
commit d956504d99
2 changed files with 74 additions and 31 deletions
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2
src/tools/evdev-joystick/Makefile
View File

@ -1,7 +1,7 @@
all : evdev-joystick
evdev-joystick: evdev-joystick.c
gcc -Wall -O2 -o evdev-joystick evdev-joystick.c
$(CC) -Wall -O2 -o evdev-joystick evdev-joystick.c
install: evdev-joystick 80-stelladaptor-joystick.rules
install -s evdev-joystick /usr/local/bin/

103
src/tools/evdev-joystick/evdev-joystick.c
View File

@ -8,6 +8,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <getopt.h>
#include <unistd.h>
#include <sys/stat.h>
@ -32,16 +33,20 @@
*/
#define test_bit(bit, array) (array[bit/8] & (1<<(bit%8)))
/* The default location for evdev devices in Linux */
// The default location for evdev devices in Linux
#define EVDEV_DIR "/dev/input/by-id/"
/* Function signatures; see actual functions for documentation */
////////////////////////////////////////////////////////////////
// Function signatures; see actual functions for documentation
void help(void);
void listDevices(void);
void printAxisType(int i);
int showCalibration(const char* const evdev);
int setDeadzoneAndFuzz(const char* const evdev, int axisindex,
__s32 deadzonevalue, __s32 fuzzvalue);
int setAxisInfo(const char* evdev, int axisindex,
__s32 minvalue, __s32 maxvalue,
__s32 deadzonevalue, __s32 fuzzvalue);
////////////////////////////////////////////////////////////////
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void help(void)
@ -51,6 +56,8 @@ void help(void)
" --listdevs, --l List all joystick devices found\n"
" --showcal, --s [path] Show current calibration for joystick device\n"
" --evdev, --e [path] Set the joystick device to modify\n"
" --minimum, --m [val] Change minimum for current joystick\n"
" --maximum, --M [val] Change maximum for current joystick\n"
" --deadzone, --d [val] Change deadzone for current joystick\n"
" --fuzz, --f [val] Change fuzz for current joystick\n"
" --axis, --a [val] The axis to modify for current joystick (by default, all axes)\n"
@ -61,18 +68,21 @@ void help(void)
"To set the deadzone values:\n"
" evdev-joystick [ --e /path/to/event/device/file --d deadzone_value [ --a axis_index ] ]\n"
"\n"
"To set the minimum and maximum range values:\n"
" evdev-joystick [ --e /path/to/event/device/file --m minimum_value --M maximum_value [ --a axis_index ] ]\n"
"\n"
"Example:\n"
"\n"
"I want to see the calibration values of my event managed joystick:\n"
" evdev-joystick --s /dev/input/event6\n"
"\n"
"Supported Absolute axes:\n"
" Absolute axis 0x00 (0) (X Axis) (min: 0, max: 16383, flatness: 1023 (=6.24%), fuzz: 63)\n"
" Absolute axis 0x01 (1) (Y Axis) (min: 0, max: 255, flatness: 15 (=5.88%), fuzz: 0)\n"
" Absolute axis 0x02 (2) (Z Axis) (min: 0, max: 255, flatness: 15 (=5.88%), fuzz: 0)\n"
" Absolute axis 0x05 (5) (Z Rate Axis) (min: 0, max: 255, flatness: 15 (=5.88%), fuzz: 0)\n"
" Absolute axis 0x10 (16) (Hat zero, x axis) (min: -1, max: 1, flatness: 0 (=0.00%), fuzz: 0)\n"
" Absolute axis 0x11 (17) (Hat zero, y axis) (min: -1, max: 1, flatness: 0 (=0.00%), fuzz: 0)\n"
" Absolute axis 0x00 (0) (X Axis) (value: 387, min: 0, max: 16383, flatness: 1023 (=6.24%), fuzz: 63)\n"
" Absolute axis 0x01 (1) (Y Axis) (value: 216, min: 0, max: 255, flatness: 15 (=5.88%), fuzz: 0)\n"
" Absolute axis 0x02 (2) (Z Axis) (value: 0, min: 0, max: 255, flatness: 15 (=5.88%), fuzz: 0)\n"
" Absolute axis 0x05 (5) (Z Rate Axis) (value: 101, min: 0, max: 255, flatness: 15 (=5.88%), fuzz: 0)\n"
" Absolute axis 0x10 (16) (Hat zero, x axis) (value: 0, min: -1, max: 1, flatness: 0 (=0.00%), fuzz: 0)\n"
" Absolute axis 0x11 (17) (Hat zero, y axis) (value: 0, min: -1, max: 1, flatness: 0 (=0.00%), fuzz: 0)\n"
"\n"
"I want to get rid of the deadzone on all axes on my joystick:\n"
" evdev-joystick --e /dev/input/event6 --d 0\n"
@ -167,10 +177,10 @@ int showCalibration(const char* const evdev)
if(ioctl(fd, EVIOCGABS(axisindex), &abs_features))
perror("evdev EVIOCGABS ioctl");
percent_deadzone = (double)(abs_features.flat * 100.0 / abs_features.maximum);
printf("(min: %d, max: %d, flatness: %d (=%.2f%%), fuzz: %d)\n",
abs_features.minimum, abs_features.maximum, abs_features.flat,
percent_deadzone, abs_features.fuzz);
percent_deadzone = (double)abs_features.flat * 100 / (double)abs_features.maximum;
printf("(value: %d, min: %d, max: %d, flatness: %d (=%.2f%%), fuzz: %d)\n",
abs_features.value, abs_features.minimum, abs_features.maximum,
abs_features.flat, percent_deadzone, abs_features.fuzz);
}
}
@ -179,8 +189,9 @@ int showCalibration(const char* const evdev)
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
int setDeadzoneAndFuzz(const char* const evdev, int axisindex,
__s32 deadzonevalue, __s32 fuzzvalue)
int setAxisInfo(const char* evdev, int axisindex,
__s32 minvalue, __s32 maxvalue,
__s32 deadzonevalue, __s32 fuzzvalue)
{
int fd = -1;
uint8_t abs_bitmask[ABS_MAX/8 + 1];
@ -218,7 +229,19 @@ int setDeadzoneAndFuzz(const char* const evdev, int axisindex,
return 1;
}
if(deadzonevalue != -1)
if(minvalue != INT_MIN)
{
printf("Setting min value to : %d\n", minvalue);
abs_features.minimum = minvalue;
}
if(maxvalue != INT_MIN)
{
printf("Setting max value to : %d\n", maxvalue);
abs_features.maximum = maxvalue;
}
if(deadzonevalue != INT_MIN)
{
if(deadzonevalue < abs_features.minimum ||
deadzonevalue > abs_features.maximum )
@ -232,7 +255,7 @@ int setDeadzoneAndFuzz(const char* const evdev, int axisindex,
abs_features.flat = deadzonevalue;
}
if(fuzzvalue != -1)
if(fuzzvalue != INT_MIN)
{
if(fuzzvalue < abs_features.minimum ||
fuzzvalue > abs_features.maximum )
@ -256,10 +279,10 @@ int setDeadzoneAndFuzz(const char* const evdev, int axisindex,
perror("evdev EVIOCGABS ioctl");
return 1;
}
percent_deadzone = (double)(abs_features.flat * 100.0 / abs_features.maximum);
printf(" (min: %d, max: %d, flatness: %d (=%.2f%%), fuzz: %d)\n",
abs_features.minimum, abs_features.maximum, abs_features.flat,
percent_deadzone, abs_features.fuzz);
percent_deadzone = (double)abs_features.flat * 100 / (double)abs_features.maximum;
printf(" (value: %d, min: %d, max: %d, flatness: %d (=%.2f%%), fuzz: %d)\n",
abs_features.value, abs_features.minimum, abs_features.maximum,
abs_features.flat, percent_deadzone, abs_features.fuzz);
}
}
@ -272,7 +295,7 @@ int main(int argc, char* argv[])
{
char* evdevice = NULL;
int c, axisindex = -1;
__s32 flat = -1, fuzz = -1;
__s32 min = INT_MIN, max = INT_MIN, flat = INT_MIN, fuzz = INT_MIN;
// Show help by default
if(argc == 1)
@ -289,6 +312,8 @@ int main(int argc, char* argv[])
{ "listdevs", no_argument, 0, 'l' },
{ "showcal", required_argument, 0, 's' },
{ "evdev", required_argument, 0, 'e' },
{ "minimum", required_argument, 0, 'm' },
{ "maximum", required_argument, 0, 'M' },
{ "deadzone", required_argument, 0, 'd' },
{ "fuzz", required_argument, 0, 'f' },
{ "axis", required_argument, 0, 'a' },
@ -297,7 +322,7 @@ int main(int argc, char* argv[])
// getopt_long stores the option index here
int option_index = 0;
c = getopt_long(argc, argv, "h:l:s:e:d:f:a:", long_options, &option_index);
c = getopt_long(argc, argv, "h:l:s:e:d:m:M:f:a:", long_options, &option_index);
// Detect the end of the options
if(c == -1)
@ -338,6 +363,16 @@ int main(int argc, char* argv[])
printf("New dead zone value: %d\n", flat);
break;
case 'm':
min = atoi(optarg);
printf("New min value: %d\n", min);
break;
case 'M':
max = atoi(optarg);
printf("New max value: %d\n", max);
break;
case 'f':
fuzz = atoi(optarg);
printf("New fuzz value: %d\n", fuzz);
@ -366,7 +401,7 @@ int main(int argc, char* argv[])
putchar('\n');
}
if(flat != -1 || fuzz != -1)
if(min != INT_MIN || max != INT_MIN || flat != INT_MIN || fuzz != INT_MIN)
{
if(evdevice == NULL)
{
@ -377,20 +412,28 @@ int main(int argc, char* argv[])
{
if(axisindex == -1)
{
if(flat != -1)
if(min != INT_MIN)
printf( "Trying to set all axes minimum to: %d\n", min);
if(max != INT_MIN)
printf( "Trying to set all axes maximum to: %d\n", max);
if(flat != INT_MIN)
printf( "Trying to set all axes deadzone to: %d\n", flat);
if(fuzz != -1)
if(fuzz != INT_MIN)
printf( "Trying to set all axes fuzz to: %d\n", fuzz);
}
else
{
if(flat != -1)
if(min != INT_MIN)
printf( "Trying to set axis %d minimum to: %d\n", axisindex, min);
if(max != INT_MIN)
printf( "Trying to set axis %d maximum to: %d\n", axisindex, max);
if(flat != INT_MIN)
printf( "Trying to set axis %d deadzone to: %d\n", axisindex, flat);
if(fuzz != -1)
if(fuzz != INT_MIN)
printf( "Trying to set axis %d fuzz to: %d\n", axisindex, fuzz);
}
setDeadzoneAndFuzz(evdevice, axisindex, flat, fuzz);
setAxisInfo(evdevice, axisindex, min, max, flat, fuzz);
}
}