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⚡️ Improve LVGL touch driver (#22817)

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Sola
2021-09-23 15:53:48 +08:00
committed by Scott Lahteine
parent 9ae6351a02
commit 3deb54d0fd
2 changed files with 19 additions and 28 deletions
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46
Marlin/src/lcd/extui/mks_ui/tft_lvgl_configuration.cpp
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@ -264,9 +264,7 @@ unsigned int getTickDiff(unsigned int curTick, unsigned int lastTick) {
}
static bool get_point(int16_t *x, int16_t *y) {
bool is_touched = touch.getRawPoint(x, y);
if (!is_touched) return false;
if (!touch.getRawPoint(x, y)) return false;
#if ENABLED(TOUCH_SCREEN_CALIBRATION)
const calibrationState state = touch_calibration.get_calibration_state();
@ -286,34 +284,26 @@ static bool get_point(int16_t *x, int16_t *y) {
bool my_touchpad_read(lv_indev_drv_t * indev_driver, lv_indev_data_t * data) {
static int16_t last_x = 0, last_y = 0;
static uint8_t last_touch_state = LV_INDEV_STATE_REL;
static int32_t touch_time1 = 0;
uint32_t tmpTime, diffTime = 0;
tmpTime = millis();
diffTime = getTickDiff(tmpTime, touch_time1);
if (diffTime > 20) {
if (get_point(&last_x, &last_y)) {
if (last_touch_state == LV_INDEV_STATE_PR) return false;
data->state = LV_INDEV_STATE_PR;
// Set the coordinates (if released use the last-pressed coordinates)
if (get_point(&last_x, &last_y)) {
#if TFT_ROTATION == TFT_ROTATE_180
data->point.x = TFT_WIDTH - last_x;
data->point.y = TFT_HEIGHT - last_y;
#else
data->point.x = last_x;
data->point.y = last_y;
last_x = last_y = 0;
last_touch_state = LV_INDEV_STATE_PR;
}
else {
if (last_touch_state == LV_INDEV_STATE_PR)
data->state = LV_INDEV_STATE_REL;
last_touch_state = LV_INDEV_STATE_REL;
}
touch_time1 = tmpTime;
#endif
data->state = LV_INDEV_STATE_PR;
}
else {
#if TFT_ROTATION == TFT_ROTATE_180
data->point.x = TFT_WIDTH - last_x;
data->point.y = TFT_HEIGHT - last_y;
#else
data->point.x = last_x;
data->point.y = last_y;
#endif
data->state = LV_INDEV_STATE_REL;
}
return false; // Return `false` since no data is buffering or left to read
}