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New kernel drivers and device migrations (#563)

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This commit is contained in:
Ken Van Hoeylandt
2026-07-14 20:26:57 +02:00
committed by GitHub
parent 955416dac8
commit 8af6204ba1
215 changed files with 6359 additions and 3633 deletions
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Modules/lvgl-module/include/tactility/lvgl_pointer.h
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@@ -10,6 +10,56 @@ extern "C" {
#include <tactility/device.h>
#include <tactility/error.h>
/**
* @brief Linear per-axis calibration range for raw pointer coordinates.
*
* Values are the raw (pre-calibration) coordinates that should map to the display's
* [0, hor_res-1] / [0, ver_res-1] range. Corrects scale+offset error only; axis
* swap/mirror is handled separately by PointerApi and applied by the driver before
* lvgl_pointer_read_cb() sees the coordinates.
*/
struct LvglPointerCalibration {
int32_t x_min;
int32_t x_max;
int32_t y_min;
int32_t y_max;
};
/**
* @brief Sets (or clears, when calibration is NULL) the calibration applied to raw coordinates
* read from the device before they are written into LVGL indev data, on an indev previously
* created with lvgl_pointer_add().
*
* @warning Caller must hold the LVGL lock (see lvgl_lock() in lvgl_module.h).
*
* @param[in] indev an indev previously created by lvgl_pointer_add()
* @param[in] calibration the calibration range to apply, or NULL to clear/disable calibration
* @retval ERROR_NONE on success
* @retval ERROR_INVALID_ARGUMENT if indev is NULL, or calibration is non-NULL but invalid
* (x_max <= x_min, y_max <= y_min, or either span smaller than the minimum allowed range)
*/
error_t lvgl_pointer_set_calibration(lv_indev_t* indev, const struct LvglPointerCalibration* calibration);
/**
* @brief Retrieves the calibration currently active on indev, if any.
* @warning Caller must hold the LVGL lock.
* @return true when a calibration is currently set on indev (out_calibration is filled), false otherwise
*/
bool lvgl_pointer_get_calibration(lv_indev_t* indev, struct LvglPointerCalibration* out_calibration);
/**
* @brief Returns the first indev created by lvgl_pointer_add() that hasn't been removed yet.
*
* Unlike iterating LVGL's own indev list, this only ever returns an indev created by
* lvgl_pointer_add() — safe to pass to lvgl_pointer_set_calibration()/lvgl_pointer_get_calibration()
* without risking a foreign indev (e.g. one registered by the deprecated HAL layer) whose driver
* data isn't a struct LvglPointerCtx*.
*
* @warning Caller must hold the LVGL lock.
* @return the indev, or NULL if none is currently registered.
*/
lv_indev_t* lvgl_pointer_get_default(void);
/**
* @brief Creates an lv_indev_t bound to the given POINTER_TYPE device and registers a read callback
* that polls the device through its PointerApi.