mirrors
/
Tasmota
mirror of https://github.com/arendst/Tasmota.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
Tasmota/tasmota/xdrv_54_lvgl.ino

364 lines
12 KiB
C++
Raw Blame History

/*
xdrv_54_lvgl.ino - LVLG integration
Copyright (C) 2021 Stephan Hadinger, Berry language by Guan Wenliang https://github.com/Skiars/berry
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef USE_LVGL
#include <uDisplay_lvgl.h>
#include "lvgl.h"
#define XDRV_54 54
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "Adafruit_LvGL_Glue.h"
/* Creates a semaphore to handle concurrent call to lvgl stuff
* If you wish to call *any* lvgl function from other threads/tasks
* you should lock on the very same semaphore! */
SemaphoreHandle_t xGuiSemaphore;
uDisplay_lvgl * udisp = nullptr;
// necessary for compilation
uint8_t color_type = 0;
void udisp_dimm(uint8_t dim) {}
void udisp_bpwr(uint8_t on) {}
extern "C" {
const char task_name[] = "periodic_gui";
/* Create and start a periodic timer interrupt to call lv_tick_inc */
const esp_timer_create_args_t periodic_timer_args = {
&lv_tick_task,
nullptr,
ESP_TIMER_TASK,
task_name
};
}
Adafruit_LvGL_Glue * glue;
/**********************
* STATIC PROTOTYPES
**********************/
static void guiTask(void *pvParameter);
/************************************************************
* Provide a regular tick to lvgl, every ms
************************************************************/
#ifndef LV_TICK_PERIOD_MS
#define LV_TICK_PERIOD_MS 1 // default to tick every 1 ms
#endif
static void lv_tick_task(void *arg) {
(void) arg;
lv_tick_inc(LV_TICK_PERIOD_MS);
}
// **************************************************
// Logging
// **************************************************
#if LV_USE_LOG
static void lvbe_debug(lv_log_level_t level, const char *file, uint32_t line, const char *fname, const char *msg);
static void lvbe_debug(lv_log_level_t level, const char *file, uint32_t line, const char *fname, const char *msg) {
be_writebuffer("LVG: ", sizeof("LVG: "));
be_writebuffer(fname, strlen(fname));
be_writebuffer(" -> ", sizeof(" -> "));
be_writebuffer(msg, strlen(msg));
be_writebuffer("\n", sizeof("\n"));
}
#endif
/************************************************************
* Maint FreeRTOS task used in a separate thread
************************************************************/
static void guiTask(void *pvParameter) {
(void) pvParameter;
xGuiSemaphore = xSemaphoreCreateMutex();
/* Create and start a periodic timer interrupt to call lv_tick_inc */
esp_timer_handle_t periodic_timer;
ESP_ERROR_CHECK(esp_timer_create(&periodic_timer_args, &periodic_timer));
ESP_ERROR_CHECK(esp_timer_start_periodic(periodic_timer, LV_TICK_PERIOD_MS * 1000));
while (1) {
/* Delay 1 tick (assumes FreeRTOS tick is 10ms */
vTaskDelay(pdMS_TO_TICKS(10));
/* Try to take the semaphore, call lvgl related function on success */
if (pdTRUE == xSemaphoreTake(xGuiSemaphore, portMAX_DELAY)) {
lv_task_handler();
xSemaphoreGive(xGuiSemaphore);
}
}
/* A task should NEVER return */
vTaskDelete(NULL);
}
/************************************************************
* Callbacks for file system access from LVGL
*
* Useful to load fonts or images from file system
************************************************************/
#ifdef USE_UFILESYS
static lv_fs_res_t lvbe_fs_open(lv_fs_drv_t * drv, void * file_p, const char * path, lv_fs_mode_t mode);
static lv_fs_res_t lvbe_fs_open(lv_fs_drv_t * drv, void * file_p, const char * path, lv_fs_mode_t mode) {
// AddLog(LOG_LEVEL_INFO, "LVG: lvbe_fs_open(%p, %p, %s, %i) %i", drv, file_p, path, mode, sizeof(File));
const char * modes = nullptr;
switch (mode) {
case LV_FS_MODE_WR:
modes = "w";
break;
case LV_FS_MODE_RD:
modes = "r";
break;
case LV_FS_MODE_WR | LV_FS_MODE_RD:
modes = "rw";
break;
}
if (modes == nullptr) {
AddLog(LOG_LEVEL_INFO, "LVG: fs_open, unsupported mode %d", mode);
return LV_FS_RES_INV_PARAM;
}
// Add "/" prefix
String file_path = "/";
file_path += path;
File f = dfsp->open(file_path.c_str(), modes);
// AddLog(LOG_LEVEL_INFO, "LVG: lvbe_fs_open(%s) -> %i", file_path.c_str(), (int32_t)f);
// AddLog(LOG_LEVEL_INFO, "LVG: F=%*_H", sizeof(f), &f);
if (f) {
File * f_ptr = new File(f); // copy to dynamic object
*f_ptr = f; // TODO is this necessary?
*((File**)file_p) = f_ptr;
return LV_FS_RES_OK;
} else {
return LV_FS_RES_NOT_EX;
}
}
static lv_fs_res_t lvbe_fs_close(lv_fs_drv_t * drv, void * file_p);
static lv_fs_res_t lvbe_fs_close(lv_fs_drv_t * drv, void * file_p) {
// AddLog(LOG_LEVEL_INFO, "LVG: lvbe_fs_close(%p, %p)", drv, file_p);
File * f_ptr = (File*) file_p;
f_ptr->close();
delete f_ptr;
return LV_FS_RES_OK;
}
static lv_fs_res_t lvbe_fs_read(lv_fs_drv_t * drv, void * file_p, void * buf, uint32_t btr, uint32_t * br);
static lv_fs_res_t lvbe_fs_read(lv_fs_drv_t * drv, void * file_p, void * buf, uint32_t btr, uint32_t * br) {
// AddLog(LOG_LEVEL_INFO, "LVG: lvbe_fs_read(%p, %p, %p, %i, %p)", drv, file_p, buf, btr, br);
File * f_ptr = (File*) file_p;
// AddLog(LOG_LEVEL_INFO, "LVG: F=%*_H", sizeof(File), f_ptr);
int32_t ret = f_ptr->read((uint8_t*) buf, btr);
// AddLog(LOG_LEVEL_INFO, "LVG: lvbe_fs_read -> %i", ret);
if (ret >= 0) {
*br = ret;
return LV_FS_RES_OK;
} else {
return LV_FS_RES_UNKNOWN;
}
}
static lv_fs_res_t lvbe_fs_write(lv_fs_drv_t * drv, void * file_p, const void * buf, uint32_t btw, uint32_t * bw);
static lv_fs_res_t lvbe_fs_write(lv_fs_drv_t * drv, void * file_p, const void * buf, uint32_t btw, uint32_t * bw) {
// AddLog(LOG_LEVEL_INFO, "LVG: lvbe_fs_write(%p, %p, %p, %i, %p)", drv, file_p, buf, btw, bw);
File * f_ptr = (File*) file_p;
int32_t ret = f_ptr->write((const uint8_t*) buf, btw);
if (ret >= 0) {
*bw = ret;
return LV_FS_RES_OK;
} else {
return LV_FS_RES_UNKNOWN;
}
}
static lv_fs_res_t lvbe_fs_tell(lv_fs_drv_t * drv, void * file_p, uint32_t * pos_p);
static lv_fs_res_t lvbe_fs_tell(lv_fs_drv_t * drv, void * file_p, uint32_t * pos_p) {
// AddLog(LOG_LEVEL_INFO, "LVG: lvbe_fs_tell(%p, %p, %p)", drv, file_p, pos_p);
File * f_ptr = (File*) file_p;
*pos_p = f_ptr->position();
return LV_FS_RES_OK;
}
static lv_fs_res_t lvbe_fs_seek(lv_fs_drv_t * drv, void * file_p, uint32_t pos);
static lv_fs_res_t lvbe_fs_seek(lv_fs_drv_t * drv, void * file_p, uint32_t pos) {
// AddLog(LOG_LEVEL_INFO, "LVG: lvbe_fs_seek(%p, %p, %i)", drv, file_p, pos);
File * f_ptr = (File*) file_p;
if (f_ptr->seek(pos)) {
return LV_FS_RES_OK;
} else {
return LV_FS_RES_UNKNOWN;
}
}
static lv_fs_res_t lvbe_fs_size(lv_fs_drv_t * drv, void * file_p, uint32_t * size_p);
static lv_fs_res_t lvbe_fs_size(lv_fs_drv_t * drv, void * file_p, uint32_t * size_p) {
// AddLog(LOG_LEVEL_INFO, "LVG: lvbe_fs_size(%p, %p, %p)", drv, file_p, size_p);
File * f_ptr = (File*) file_p;
*size_p = f_ptr->size();
return LV_FS_RES_OK;
}
static lv_fs_res_t lvbe_fs_remove(lv_fs_drv_t * drv, const char *path);
static lv_fs_res_t lvbe_fs_remove(lv_fs_drv_t * drv, const char *path) {
// AddLog(LOG_LEVEL_INFO, "LVG: lvbe_fs_remove(%p, %s)", drv, path);
dfsp->remove(path);
return LV_FS_RES_OK;
}
#endif // USE_UFILESYS
/************************************************************
* Initialize the display / touchscreen drivers then launch lvgl
*
* We use Adafruit_LvGL_Glue to leverage the Adafruit
* display ecosystem.
************************************************************/
void start_lvgl(const char * uconfig);
void start_lvgl(const char * uconfig) {
if (glue != nullptr) {
AddLog(LOG_LEVEL_INFO, D_LOG_LVGL " LVGL was already initialized");
return;
}
if (udisp == nullptr) {
udisp = new uDisplay_lvgl((char*)uconfig);
}
udisp->Init();
// Settings.display_width = udisp->width();
// Settings.display_height = udisp->height();
udisp->DisplayInit(0 /* DISPLAY_INIT_MODE */, Settings.display_size, Settings.display_rotate, Settings.display_font);
udisp->dim(Settings.display_dimmer);
// **************************************************
// Initialize the glue between Adafruit and LVGL
// **************************************************
glue = new Adafruit_LvGL_Glue();
// Initialize glue, passing in address of display & touchscreen
LvGLStatus status = glue->begin(udisp);
if (status != LVGL_OK) {
AddLog(LOG_LEVEL_ERROR, PSTR("Glue error %d"), status);
return;
}
// Set the default background color of the display
// This is normally overriden by an opaque screen on top
lv_obj_set_style_local_bg_color(lv_scr_act(), LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, lv_color_from_uint32(USE_LVGL_BG_DEFAULT));
lv_obj_set_style_local_bg_opa(lv_scr_act(), LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_OPA_COVER);
#if LV_USE_LOG
lv_log_register_print_cb(lvbe_debug);
#endif // LV_USE_LOG
#ifdef USE_UFILESYS
// Add file system mapping
lv_fs_drv_t drv; // can be on heap, LVGL creates a copy
lv_fs_drv_init(&drv); /*Basic initialization*/
drv.letter = 'A'; /*An uppercase letter to identify the drive */
drv.file_size = 0; /*Size required to store a file object*/
drv.rddir_size = 0; /*Size required to store a directory object (used by dir_open/close/read)*/
drv.ready_cb = nullptr; /*Callback to tell if the drive is ready to use */
drv.open_cb = &lvbe_fs_open; /*Callback to open a file */
drv.close_cb = &lvbe_fs_close; /*Callback to close a file */
drv.read_cb = &lvbe_fs_read; /*Callback to read a file */
drv.write_cb = &lvbe_fs_write; /*Callback to write a file */
drv.seek_cb = &lvbe_fs_seek; /*Callback to seek in a file (Move cursor) */
drv.tell_cb = &lvbe_fs_tell; /*Callback to tell the cursor position */
drv.trunc_cb = nullptr; /*Callback to delete a file */
drv.size_cb = &lvbe_fs_size; /*Callback to tell a file's size */
drv.rename_cb = nullptr; /*Callback to rename a file */
drv.remove_cb = &lvbe_fs_remove; /*Callback to remove a file */
drv.dir_open_cb = nullptr; /*Callback to open directory to read its content */
drv.dir_read_cb = nullptr; /*Callback to read a directory's content */
drv.dir_close_cb = nullptr; /*Callback to close a directory */
drv.free_space_cb = nullptr; /*Callback to tell free space on the drive */
// drv.user_data = nullptr; /*Any custom data if required*/
lv_fs_drv_register(&drv); /*Finally register the drive*/
#endif // USE_UFILESYS
/* If you want to use a task to create the graphic, you NEED to create a Pinned task
* Otherwise there can be problem such as memory corruption and so on.
* NOTE: When not using Wi-Fi nor Bluetooth you can pin the guiTask to core 0 */
xTaskCreatePinnedToCore(guiTask, "gui", 4096*2, NULL, 0, NULL, 1);
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv54(uint8_t function)
{
bool result = false;
switch (function) {
case FUNC_INIT:
break;
case FUNC_LOOP:
break;
case FUNC_EVERY_50_MSECOND:
break;
case FUNC_EVERY_100_MSECOND:
break;
case FUNC_EVERY_SECOND:
break;
case FUNC_COMMAND:
// result = DecodeCommand(kBrCommands, BerryCommand);
break;
case FUNC_RULES_PROCESS:
break;
case FUNC_SAVE_BEFORE_RESTART:
break;
case FUNC_MQTT_DATA:
break;
case FUNC_WEB_SENSOR:
break;
case FUNC_JSON_APPEND:
break;
case FUNC_BUTTON_PRESSED:
break;
}
return result;
}
#endif // USE_LVGL
Reference in New Issue View Git Blame Copy Permalink