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Add virtual backlight dimming

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This commit is contained in:
fvanroie 2021-02-19 01:58:20 +01:00
parent e8850d99fe
commit 1ccbbf16ea
5 changed files with 60 additions and 56 deletions
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32
lib/lv_drivers/display/monitor.c
View File

@ -51,7 +51,8 @@
/**********************
* TYPEDEFS
**********************/
typedef struct {
typedef struct
{
SDL_Window* window;
SDL_Renderer* renderer;
SDL_Texture* texture;
@ -115,7 +116,8 @@ void monitor_init(void)
#ifndef MONITOR_EMSCRIPTEN
SDL_CreateThread(monitor_sdl_refr_thread, "sdl_refr", NULL);
while(sdl_inited == false); /*Wait until 'sdl_refr' initializes the SDL*/
while(sdl_inited == false)
; /*Wait until 'sdl_refr' initializes the SDL*/
#endif
}
@ -156,7 +158,6 @@ void monitor_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t
monitor.tft_fb[y * disp_drv->hor_res + x] = lv_color_to32(*color_p);
color_p++;
}
}
#else
uint32_t w = lv_area_get_width(area);
@ -173,7 +174,6 @@ void monitor_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t
#endif
}
#if MONITOR_DUAL
/**
@ -210,7 +210,6 @@ void monitor_flush2(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t
monitor2.tft_fb[y * disp_drv->hor_res + x] = lv_color_to32(*color_p);
color_p++;
}
}
#else
uint32_t w = lv_area_get_width(area);
@ -265,13 +264,10 @@ int quit_filter(void * userdata, SDL_Event * event)
if(event->window.event == SDL_WINDOWEVENT_CLOSE) {
sdl_quit_qry = true;
}
}
else if(event->type == SDL_QUIT) {
} else if(event->type == SDL_QUIT) {
sdl_quit_qry = true;
}
return 1;
}
@ -291,6 +287,12 @@ static void monitor_sdl_clean_up(void)
SDL_Quit();
}
void monitor_backlight(uint8_t level)
{
SDL_SetTextureColorMod(monitor.texture, level, level, level);
window_update(&monitor);
}
static void monitor_sdl_init(void)
{
/*Initialize the SDL*/
@ -363,22 +365,21 @@ static void monitor_sdl_refr_core(void)
/*Sleep some time*/
SDL_Delay(SDL_REFR_PERIOD);
}
static void window_create(monitor_t* m)
{
m->window = SDL_CreateWindow("TFT Simulator",
SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
MONITOR_HOR_RES * MONITOR_ZOOM, MONITOR_VER_RES * MONITOR_ZOOM, 0); /*last param. SDL_WINDOW_BORDERLESS to hide borders*/
m->window = SDL_CreateWindow("TFT Simulator", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
MONITOR_HOR_RES * MONITOR_ZOOM, MONITOR_VER_RES * MONITOR_ZOOM,
0); /*last param. SDL_WINDOW_BORDERLESS to hide borders*/
#if MONITOR_VIRTUAL_MACHINE || defined(MONITOR_EMSCRIPTEN)
m->renderer = SDL_CreateRenderer(m->window, -1, SDL_RENDERER_SOFTWARE);
#else
m->renderer = SDL_CreateRenderer(m->window, -1, 0);
#endif
m->texture = SDL_CreateTexture(m->renderer,
SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STATIC, MONITOR_HOR_RES, MONITOR_VER_RES);
m->texture = SDL_CreateTexture(m->renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STATIC, MONITOR_HOR_RES,
MONITOR_VER_RES);
SDL_SetTextureBlendMode(m->texture, SDL_BLENDMODE_BLEND);
/*Initialize the frame buffer to gray (77 is an empirical value) */
@ -389,7 +390,6 @@ static void window_create(monitor_t * m)
#endif
m->sdl_refr_qry = true;
}
static void window_update(monitor_t* m)

1
lib/lv_drivers/display/monitor.h
View File

@ -43,6 +43,7 @@ extern "C" {
void monitor_init(void);
void monitor_flush(lv_disp_drv_t* disp_drv, const lv_area_t* area, lv_color_t* color_p);
void monitor_flush2(lv_disp_drv_t* disp_drv, const lv_area_t* area, lv_color_t* color_p);
void monitor_backlight(uint8_t level);
/**********************
* MACROS

6
src/dev/esp32/esp32.cpp
View File

@ -45,7 +45,7 @@ void Esp32Device::set_backlight_pin(uint8_t pin)
Esp32Device::_backlight_pin = pin;
/* Setup Backlight Control Pin */
if(pin != (uint8_t)-1) {
if(pin < GPIO_NUM_MAX) {
LOG_VERBOSE(TAG_GUI, F("Backlight : Pin %d"), pin);
ledcSetup(BACKLIGHT_CHANNEL, 20000, 12);
ledcAttachPin(pin, BACKLIGHT_CHANNEL);
@ -81,11 +81,11 @@ bool Esp32Device::get_backlight_power()
void Esp32Device::update_backlight()
{
if(_backlight_pin == (uint8_t)-1) return;
if(pin < GPIO_NUM_MAX) {
uint32_t duty = _backlight_power ? map(_backlight_level, 0, 100, 0, 4095) : 0;
ledcWrite(BACKLIGHT_CHANNEL, duty); // ledChannel and value
}
}
size_t Esp32Device::get_free_max_block()
{

7
src/dev/win32/hasp_win32.cpp
View File

@ -7,6 +7,9 @@
#include "hasp_conf.h"
#include "hasp_debug.h"
#include "hasp/hasp_utilities.h"
#include "display/monitor.h"
namespace dev {
@ -32,7 +35,7 @@ const char* Win32Device::get_display_driver()
void Win32Device::set_backlight_pin(uint8_t pin)
{
Win32Device::_backlight_pin = pin;
// Win32Device::_backlight_pin = pin;
}
void Win32Device::set_backlight_level(uint8_t level)
@ -60,7 +63,7 @@ bool Win32Device::get_backlight_power()
void Win32Device::update_backlight()
{
if(_backlight_pin == -1) return;
monitor_backlight(_backlight_power ? map(_backlight_level, 0, 100, 0, 255) : 0);
}
size_t Win32Device::get_free_max_block()

2
src/dev/win32/hasp_win32.h
View File

@ -21,7 +21,7 @@ class Win32Device : public BaseDevice {
Win32Device()
{
_hostname = "winplate";
_backlight_pin = -1;
// _backlight_pin = -1;
_backlight_power = 1;
_backlight_level = 100;
}