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#include "displayapp/LittleVgl.h"
#include "displayapp/lv_pinetime_theme.h"
#include <FreeRTOS.h>
#include <task.h>
//#include <projdefs.h>
#include "drivers/Cst816s.h"
#include "drivers/St7789.h"
using namespace Pinetime::Components;
lv_style_t* LabelBigStyle = nullptr;
static void disp_flush(lv_disp_drv_t* disp_drv, const lv_area_t* area, lv_color_t* color_p) {
auto* lvgl = static_cast<LittleVgl*>(disp_drv->user_data);
lvgl->FlushDisplay(area, color_p);
}
static void rounder(lv_disp_drv_t* disp_drv, lv_area_t* area) {
auto* lvgl = static_cast<LittleVgl*>(disp_drv->user_data);
if (lvgl->GetFullRefresh()) {
area->x1 = 0;
area->x2 = LV_HOR_RES - 1;
area->y1 = 0;
area->y2 = LV_VER_RES - 1;
}
}
bool touchpad_read(lv_indev_drv_t* indev_drv, lv_indev_data_t* data) {
auto* lvgl = static_cast<LittleVgl*>(indev_drv->user_data);
return lvgl->GetTouchPadInfo(data);
}
LittleVgl::LittleVgl(Pinetime::Drivers::St7789& lcd, Pinetime::Drivers::Cst816S& touchPanel) : lcd {lcd}, touchPanel {touchPanel} {
}
void LittleVgl::Init() {
lv_init();
InitTheme();
InitDisplay();
InitTouchpad();
}
void LittleVgl::InitDisplay() {
lv_disp_buf_init(&disp_buf_2, buf2_1, buf2_2, LV_HOR_RES_MAX * 4); /*Initialize the display buffer*/
lv_disp_drv_init(&disp_drv); /*Basic initialization*/
/*Set up the functions to access to your display*/
/*Set the resolution of the display*/
disp_drv.hor_res = 240;
disp_drv.ver_res = 240;
/*Used to copy the buffer's content to the display*/
disp_drv.flush_cb = disp_flush;
/*Set a display buffer*/
disp_drv.buffer = &disp_buf_2;
disp_drv.user_data = this;
disp_drv.rounder_cb = rounder;
/*Finally register the driver*/
lv_disp_drv_register(&disp_drv);
}
void LittleVgl::InitTouchpad() {
lv_indev_drv_t indev_drv;
lv_indev_drv_init(&indev_drv);
indev_drv.type = LV_INDEV_TYPE_POINTER;
indev_drv.read_cb = touchpad_read;
indev_drv.user_data = this;
lv_indev_drv_register(&indev_drv);
}
void LittleVgl::SetFullRefresh(FullRefreshDirections direction) {
if (scrollDirection == FullRefreshDirections::None) {
scrollDirection = direction;
if (scrollDirection == FullRefreshDirections::Down) {
lv_disp_set_direction(lv_disp_get_default(), 1);
} else if (scrollDirection == FullRefreshDirections::Right) {
lv_disp_set_direction(lv_disp_get_default(), 2);
} else if (scrollDirection == FullRefreshDirections::Left) {
lv_disp_set_direction(lv_disp_get_default(), 3);
} else if (scrollDirection == FullRefreshDirections::RightAnim) {
lv_disp_set_direction(lv_disp_get_default(), 5);
} else if (scrollDirection == FullRefreshDirections::LeftAnim) {
lv_disp_set_direction(lv_disp_get_default(), 4);
}
}
fullRefresh = true;
}
void LittleVgl::FlushDisplay(const lv_area_t* area, lv_color_t* color_p) {
uint16_t y1, y2, width, height = 0;
ulTaskNotifyTake(pdTRUE, 200);
// NOtification is still needed (even if there is a mutex on SPI) because of the DataCommand pin
// which cannot be set/clear during a transfert.
if ((scrollDirection == LittleVgl::FullRefreshDirections::Down) && (area->y2 == visibleNbLines - 1)) {
writeOffset = ((writeOffset + totalNbLines) - visibleNbLines) % totalNbLines;
} else if ((scrollDirection == FullRefreshDirections::Up) && (area->y1 == 0)) {
writeOffset = (writeOffset + visibleNbLines) % totalNbLines;
}
y1 = (area->y1 + writeOffset) % totalNbLines;
y2 = (area->y2 + writeOffset) % totalNbLines;
width = (area->x2 - area->x1) + 1;
height = (area->y2 - area->y1) + 1;
if (scrollDirection == LittleVgl::FullRefreshDirections::Down) {
if (area->y2 < visibleNbLines - 1) {
uint16_t toScroll = 0;
if (area->y1 == 0) {
toScroll = height * 2;
scrollDirection = FullRefreshDirections::None;
lv_disp_set_direction(lv_disp_get_default(), 0);
} else {
toScroll = height;
}
if (scrollOffset >= toScroll)
scrollOffset -= toScroll;
else {
toScroll -= scrollOffset;
scrollOffset = (totalNbLines) -toScroll;
}
lcd.VerticalScrollStartAddress(scrollOffset);
}
} else if (scrollDirection == FullRefreshDirections::Up) {
if (area->y1 > 0) {
if (area->y2 == visibleNbLines - 1) {
scrollOffset += (height * 2);
scrollDirection = FullRefreshDirections::None;
lv_disp_set_direction(lv_disp_get_default(), 0);
} else {
scrollOffset += height;
}
scrollOffset = scrollOffset % totalNbLines;
lcd.VerticalScrollStartAddress(scrollOffset);
}
} else if (scrollDirection == FullRefreshDirections::Left or scrollDirection == FullRefreshDirections::LeftAnim) {
if (area->x2 == visibleNbLines - 1) {
scrollDirection = FullRefreshDirections::None;
lv_disp_set_direction(lv_disp_get_default(), 0);
}
} else if (scrollDirection == FullRefreshDirections::Right or scrollDirection == FullRefreshDirections::RightAnim) {
if (area->x1 == 0) {
scrollDirection = FullRefreshDirections::None;
lv_disp_set_direction(lv_disp_get_default(), 0);
}
}
if (y2 < y1) {
height = totalNbLines - y1;
if (height > 0) {
lcd.DrawBuffer(area->x1, y1, width, height, reinterpret_cast<const uint8_t*>(color_p), width * height * 2);
ulTaskNotifyTake(pdTRUE, 100);
}
uint16_t pixOffset = width * height;
height = y2 + 1;
lcd.DrawBuffer(area->x1, 0, width, height, reinterpret_cast<const uint8_t*>(color_p + pixOffset), width * height * 2);
} else {
lcd.DrawBuffer(area->x1, y1, width, height, reinterpret_cast<const uint8_t*>(color_p), width * height * 2);
}
// IMPORTANT!!!
// Inform the graphics library that you are ready with the flushing
lv_disp_flush_ready(&disp_drv);
}
void LittleVgl::SetNewTouchPoint(uint16_t x, uint16_t y, bool contact) {
tap_x = x;
tap_y = y;
tapped = contact;
}
bool LittleVgl::GetTouchPadInfo(lv_indev_data_t* ptr) {
ptr->point.x = tap_x;
ptr->point.y = tap_y;
if (tapped) {
ptr->state = LV_INDEV_STATE_PR;
} else {
ptr->state = LV_INDEV_STATE_REL;
}
return false;
}
void LittleVgl::InitTheme() {
lv_theme_t* th = lv_pinetime_theme_init(
LV_COLOR_WHITE, LV_COLOR_SILVER, 0, &jetbrains_mono_bold_20, &jetbrains_mono_bold_20, &jetbrains_mono_bold_20, &jetbrains_mono_bold_20);
lv_theme_set_act(th);
}
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