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Add a boardconfig flag #423

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94 changes: 88 additions & 6 deletions minuitwrp/events.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,12 @@ static const std::string kVibratorInstance = std::string(IVibrator::descriptor)
#define ABS_MT_PRESSURE 0x3a
#define ABS_MT_DISTANCE 0x3b

#define BITS_PER_LONG (sizeof(long) * 8)
#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
#define OFF(x) ((x)%BITS_PER_LONG)
#define LONG(x) ((x)/BITS_PER_LONG)
#define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)

enum {
DOWN_NOT,
DOWN_SENT,
Expand Down Expand Up @@ -117,6 +123,9 @@ static unsigned ev_count = 0;
static struct timeval lastInputStat;
static time_t lastInputMTime;
static int has_mouse = 0;
static int input_event_haptics_fd = -1;
static unsigned long input_event_haptics_uses_rumble = 1;
static signed short input_event_haptics_effect_id=-1;

static inline int ABS(int x) {
return x<0?-x:x;
Expand All @@ -134,6 +143,79 @@ int write_to_file(const std::string& fn, const std::string& line) {
return -1;
}

static int input_event_ff_open(const char *input_dev_path)
{
if (input_event_haptics_fd >= 0)
return input_event_haptics_fd;

int fd = open(input_dev_path, O_RDWR | O_CLOEXEC);
if (fd < 0){
LOGI("Cannot open file %s\n", input_dev_path);
return -1;
}

unsigned long ff_bitmask[NBITS(FF_MAX)];
memset(ff_bitmask, 0, sizeof(ff_bitmask));
if (ioctl(fd, EVIOCGBIT(EV_FF, sizeof(ff_bitmask)), ff_bitmask) < 0) {
close(fd);
LOGI("Cannot ioctl file %s\n", input_dev_path);
return -1;
}

if (test_bit(FF_CONSTANT, ff_bitmask) || test_bit(FF_RUMBLE, ff_bitmask)) {
input_event_haptics_fd = fd;
input_event_haptics_uses_rumble = !test_bit(FF_CONSTANT, ff_bitmask);
return input_event_haptics_fd;
}
LOGI("unsupported Force Feedback ff_bitmask\n");
close(fd);
return -1;
}
static int input_event_ff_vibrate(int timeout_ms)
{
if (input_event_haptics_fd < 0){
LOGI("wrong fd %d\n",input_event_haptics_fd);
return -1;
}

if (input_event_haptics_effect_id>=0 &&ioctl(input_event_haptics_fd, EVIOCRMFF, input_event_haptics_effect_id) == -1) {
LOGI("fail to remove effect \n");
}

struct ff_effect effect;
memset(&effect, 0, sizeof(effect));
effect.id = -1;
effect.replay.length = timeout_ms;
effect.replay.delay = 0;

if (input_event_haptics_uses_rumble) {
effect.type = FF_RUMBLE;
effect.u.rumble.strong_magnitude = 0x7fff;
effect.u.rumble.weak_magnitude = 0x7fff;
} else {
effect.type = FF_CONSTANT;
effect.u.constant.level = 0x5fff;
}

if (ioctl(input_event_haptics_fd, EVIOCSFF, &effect) < 0){
LOGI("fail to regist effect \n");
return -1;
}

input_event_haptics_effect_id = effect.id;

struct input_event play;
memset(&play, 0, sizeof(play));
play.type = EV_FF;
play.code = input_event_haptics_effect_id;
play.value = 1;
if (write(input_event_haptics_fd, &play, sizeof(play)) <0){
LOGI("fail to play effect \n");
return -1;
}
return 0 ;
}

#ifndef TW_NO_HAPTICS
#ifndef TW_HAPTICS_TSPDRV
int vibrate(int timeout_ms)
Expand All @@ -159,6 +241,12 @@ int vibrate(int timeout_ms)
if (std::ifstream(VIBRATOR_TIMEOUT_FILE).good()) {
write_to_file(VIBRATOR_TIMEOUT_FILE, tout);
}
#elif defined(USE_INPUT_EVENT_VIBRATOR_HAPTICS)
/* Some devices like qcom and unisoc have /dev/input/eventX file with device name *haptics or *vibrator
could drive vibrator by ioctl input event and effect */
if (input_event_ff_open(EXPAND(USE_INPUT_EVENT_VIBRATOR_HAPTICS)) >= 0) {
input_event_ff_vibrate(timeout_ms);
}
#else
if (std::ifstream(LEDS_HAPTICS_ACTIVATE_FILE).good()) {
write_to_file(LEDS_HAPTICS_DURATION_FILE, tout);
Expand Down Expand Up @@ -310,12 +398,6 @@ static int vk_init(struct ev *e)
return 0;
}

#define BITS_PER_LONG (sizeof(long) * 8)
#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
#define OFF(x) ((x)%BITS_PER_LONG)
#define LONG(x) ((x)/BITS_PER_LONG)
#define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)

// Check for EV_REL (REL_X and REL_Y) and, because touchscreens can have those too,
// check also for EV_KEY (BTN_LEFT and BTN_RIGHT)
static void check_mouse(int fd, const char* deviceName)
Expand Down
5 changes: 5 additions & 0 deletions minuitwrp/libminuitwrp_defaults.go
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,11 @@ func globalFlags(ctx android.BaseContext) []string {
cflags = append(cflags, "-DUSE_QTI_HAPTICS")
}

if getMakeVars(ctx, "TW_SUPPORT_INPUT_EVENT_VIBRATOR_HAPTICS") != "" {
addflag:="-DUSE_INPUT_EVENT_VIBRATOR_HAPTICS="+ getMakeVars(ctx, "TW_SUPPORT_INPUT_EVENT_VIBRATOR_HAPTICS")
cflags = append(cflags,addflag )
}

if getMakeVars(ctx, "TW_SUPPORT_INPUT_AIDL_HAPTICS") == "true" {
cflags = append(cflags, "-DUSE_QTI_AIDL_HAPTICS")
}
Expand Down