static int powermate_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int _value)
{
unsigned int command = (unsigned int)_value;
struct powermate_device *pm = input_get_drvdata(dev);
if (type == EV_MSC && code == MSC_PULSELED){
int static_brightness = command & 0xFF;
int pulse_speed = (command >> 8) & 0x1FF;
int pulse_table = (command >> 17) & 0x3;
int pulse_asleep = (command >> 19) & 0x1;
int pulse_awake = (command >> 20) & 0x1;
powermate_pulse_led(pm, static_brightness, pulse_speed, pulse_table, pulse_asleep, pulse_awake);
}
/* Callback from the Input layer when an event arrives from userspace to configure the LED */
static int powermate_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int _value)
{
unsigned int command = (unsigned int)_value;
struct powermate_device *pm = dev->private;
if (type == EV_MSC && code == MSC_PULSELED){
/*
bits 0- 7: 8 bits: LED brightness
bits 8-16: 9 bits: pulsing speed modifier (0 ... 510); 0-254 = slower, 255 = standard, 256-510 = faster.
bits 17-18: 2 bits: pulse table (0, 1, 2 valid)
bit 19: 1 bit : pulse whilst asleep?
bit 20: 1 bit : pulse constantly?
*/
int static_brightness = command & 0xFF; // bits 0-7
int pulse_speed = (command >> 8) & 0x1FF; // bits 8-16
int pulse_table = (command >> 17) & 0x3; // bits 17-18
int pulse_asleep = (command >> 19) & 0x1; // bit 19
int pulse_awake = (command >> 20) & 0x1; // bit 20
powermate_pulse_led(pm, static_brightness, pulse_speed, pulse_table, pulse_asleep, pulse_awake);
}
void *
process_evdev_events(void )
{
int evdev_fd;
struct input_event ev[64];
int clic_duration;
int i;
int static_brightness = 0x80;
int pulse_speed = 255;
int pulse_table = 0;
int pulse_asleep = 1;
int pulse_awake = 0;
evdev_fd = find_powermate(O_WRONLY);
if(evdev_fd < 0){
fprintf(stderr, "Unable to locate powermate\n");
return 1;
}
pulse_awake=1;
powermate_pulse_led(static_brightness, pulse_speed, pulse_table, pulse_asleep, pulse_awake);
if ((evdev_fd = open("/dev/input/by-id/usb-Griffin_Technology__Inc._Griffin_PowerMate-event-if00", O_RDONLY)) < 0) {
perror("jukebox");
return 1;
}
printf("Starting thread loop\n");
for (;;) {
int rd = read(evdev_fd, ev, sizeof(struct input_event) * 64);
if (rd < (int) sizeof(struct input_event)) {
perror("\njukebox: error reading");
pthread_exit(NULL);
}
for (i = 0; i < rd / sizeof(struct input_event); i++){
if ( ev[i].type == 1 ) {
if ( ev[i].value == 1 ) {
clic_start_time=ev[i].time.tv_sec * 1000000 + ev[i].time.tv_usec;
} else {
clic_duration=( ev[i].time.tv_sec * 1000000 + ev[i].time.tv_usec - clic_start_time ) /1000;
printf("That's a release, duration %ld ms\n", clic_duration );
if ( clic_duration > 3000 ) {
sync();
// reboot(RB_POWER_OFF);
} else if ( clic_duration > 500 ) {
printf ("That was a long clic!\n");
} else {
printf ("That was a short clic!\n");
media_toggle_playback();
}
}
} else if ( ev[i].type == 2 ) {
SetAlsaMasterVolume(ev[i].value);
last_scroll_event=ev[i].time.tv_sec * 1000000 + ev[i].time.tv_usec;
}
if(0) {
printf("EventC: time %ld.%06ld, type %d (%s), code %d, value %d\n",
ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type,
events[ev[i].type] ? events[ev[i].type] : "?",
ev[i].code,
ev[i].value);
}
}
}
printf("Thread loop finished\n");
close(evdev_fd);
pthread_exit(NULL);
}
