220 lines
6.3 KiB
C++
220 lines
6.3 KiB
C++
#include "LittleVgl.h"
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#include "lv_pinetime_theme.h"
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#include <FreeRTOS.h>
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#include <task.h>
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//#include <projdefs.h>
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#include "drivers/Cst816s.h"
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#include "drivers/St7789.h"
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using namespace Pinetime::Components;
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lv_style_t* LabelBigStyle = nullptr;
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static void disp_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p) {
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auto* lvgl = static_cast<LittleVgl*>(disp_drv->user_data);
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lvgl->FlushDisplay(area, color_p);
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}
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bool touchpad_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data) {
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auto* lvgl = static_cast<LittleVgl*>(indev_drv->user_data);
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return lvgl->GetTouchPadInfo(data);
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}
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LittleVgl::LittleVgl(Pinetime::Drivers::St7789& lcd, Pinetime::Drivers::Cst816S& touchPanel) : lcd{lcd}, touchPanel{touchPanel}, previousClick{0,0} {
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lv_init();
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InitTheme();
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InitDisplay();
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InitTouchpad();
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}
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void LittleVgl::InitDisplay() {
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lv_disp_buf_init(&disp_buf_2, buf2_1, buf2_2, LV_HOR_RES_MAX * 4); /*Initialize the display buffer*/
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lv_disp_drv_init(&disp_drv); /*Basic initialization*/
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/*Set up the functions to access to your display*/
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/*Set the resolution of the display*/
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disp_drv.hor_res = 240;
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disp_drv.ver_res = 240;
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/*Used to copy the buffer's content to the display*/
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disp_drv.flush_cb = disp_flush;
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/*Set a display buffer*/
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disp_drv.buffer = &disp_buf_2;
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disp_drv.user_data = this;
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/*Finally register the driver*/
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lv_disp_drv_register(&disp_drv);
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}
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void LittleVgl::InitTouchpad() {
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lv_indev_drv_t indev_drv;
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lv_indev_drv_init(&indev_drv);
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indev_drv.type = LV_INDEV_TYPE_POINTER;
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indev_drv.read_cb = touchpad_read;
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indev_drv.user_data = this;
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lv_indev_drv_register(&indev_drv);
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}
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void LittleVgl::SetFullRefresh(FullRefreshDirections direction) {
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if(scrollDirection == FullRefreshDirections::None) {
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scrollDirection = direction;
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if (scrollDirection == FullRefreshDirections::Down)
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lv_disp_set_direction(lv_disp_get_default(), 1);
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}
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}
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void LittleVgl::FlushDisplay(const lv_area_t *area, lv_color_t *color_p) {
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ulTaskNotifyTake(pdTRUE, 500);
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// Notification is still needed (even if there is a mutex on SPI) because of the DataCommand pin
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// which cannot be set/clear during a transfer.
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// TODO refactore and remove duplicated code
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uint16_t x, y, y1, y2, width, height = 0;
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if(scrollDirection == LittleVgl::FullRefreshDirections::Down) {
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if(area->y2 == visibleNbLines-1) {
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writeOffset = ((writeOffset + totalNbLines) - visibleNbLines) % totalNbLines;
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}
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x = area->x1;
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width = (area->x2 - area->x1) + 1;
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y1 = (area->y1 + writeOffset) % totalNbLines;
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y2 = (area->y2 + writeOffset) % totalNbLines;
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y = y1;
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height = (y2 - y1) + 1;
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if(area->y2 < visibleNbLines - 1) {
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uint16_t toScroll = 0;
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if(area->y1 == 0) {
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toScroll = height*2;
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scrollDirection = FullRefreshDirections::None;
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lv_disp_set_direction(lv_disp_get_default(), 0);
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} else {
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toScroll = height;
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}
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if(scrollOffset >= toScroll)
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scrollOffset -= toScroll;
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else {
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toScroll -= scrollOffset;
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scrollOffset = (totalNbLines) - toScroll;
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}
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lcd.VerticalScrollDefinition(0, 320, 0);
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lcd.VerticalScrollStartAddress(scrollOffset);
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}
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lcd.BeginDrawBuffer(x, y, width, height);
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lcd.NextDrawBuffer(reinterpret_cast<const uint8_t *>(color_p), width * height*2) ;
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} else if(scrollDirection == FullRefreshDirections::Up) {
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if(area->y1 == 0) {
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writeOffset = (writeOffset + visibleNbLines) % totalNbLines;
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}
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x = area->x1;
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width = (area->x2 - area->x1) + 1;
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y1 = (area->y1 + writeOffset) % totalNbLines;
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y2 = (area->y2 + writeOffset) % totalNbLines;
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y = y1;
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height = (y2 - y1) + 1;
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if(area->y1 > 0) {
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if(area->y2 == visibleNbLines -1) {
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scrollOffset += (height * 2);
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scrollDirection = FullRefreshDirections::None;
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lv_disp_set_direction(lv_disp_get_default(), 0);
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} else {
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scrollOffset += height;
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}
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scrollOffset = scrollOffset % totalNbLines;
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lcd.VerticalScrollDefinition(0, 320, 0);
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lcd.VerticalScrollStartAddress(scrollOffset);
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}
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lcd.BeginDrawBuffer(x, y, width, height);
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lcd.NextDrawBuffer(reinterpret_cast<const uint8_t *>(color_p), width * height*2);
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} else {
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x = area->x1;
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width = (area->x2 - area->x1) + 1;
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y1 = (area->y1 + writeOffset) % totalNbLines;
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y2 = (area->y2 + writeOffset) % totalNbLines;
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y = y1;
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height = (y2 - y1) + 1;
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if (y2 < y1) {
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height = (totalNbLines - 1) - y1;
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lcd.BeginDrawBuffer(x, y1, width, height);
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lcd.NextDrawBuffer(reinterpret_cast<const uint8_t *>(color_p), width * height * 2);
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ulTaskNotifyTake(pdTRUE, 500);
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height = y2;
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lcd.BeginDrawBuffer(x, 0, width, height);
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lcd.NextDrawBuffer(reinterpret_cast<const uint8_t *>(color_p), width * height * 2);
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} else {
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lcd.BeginDrawBuffer(x, y, width, height);
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lcd.NextDrawBuffer(reinterpret_cast<const uint8_t *>(color_p), width * height * 2);
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}
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}
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/* IMPORTANT!!!
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* Inform the graphics library that you are ready with the flushing*/
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lv_disp_flush_ready(&disp_drv);
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}
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void LittleVgl::SetNewTapEvent(uint16_t x, uint16_t y) {
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tap_x = x;
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tap_y = y;
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tapped = true;
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}
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bool LittleVgl::GetTouchPadInfo(lv_indev_data_t *ptr) {
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if(tapped) {
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ptr->point.x = tap_x;
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ptr->point.y = tap_y;
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ptr->state = LV_INDEV_STATE_PR;
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tapped = false;
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} else {
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ptr->state = LV_INDEV_STATE_REL;
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}
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return false;
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/*
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auto info = touchPanel.GetTouchInfo();
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if((previousClick.x != info.x || previousClick.y != info.y) &&
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(info.gesture == Drivers::Cst816S::Gestures::SingleTap)) {
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// TODO For an unknown reason, the first touch is taken twice into account.
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// 'firstTouch' is a quite'n'dirty workaound until I find a better solution
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if(firstTouch) ptr->state = LV_INDEV_STATE_REL;
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else ptr->state = LV_INDEV_STATE_PR;
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firstTouch = false;
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previousClick.x = info.x;
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previousClick.y = info.y;
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}
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else {
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ptr->state = LV_INDEV_STATE_REL;
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}
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ptr->point.x = info.x;
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ptr->point.y = info.y;
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return false;
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*/
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}
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void LittleVgl::InitTheme() {
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lv_theme_t * th = lv_pinetime_theme_init(
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LV_COLOR_WHITE, LV_COLOR_SILVER,
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0,
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&jetbrains_mono_bold_20,
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&jetbrains_mono_bold_20,
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&jetbrains_mono_bold_20,
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&jetbrains_mono_bold_20);
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lv_theme_set_act(th);
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}
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