Add panel boilerplate and weather boilerplate

This commit is contained in:
Tyler Perkins 2021-09-19 17:16:59 -04:00
parent fdd40d31cc
commit f3409daff9
7 changed files with 174 additions and 9 deletions

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@ -370,12 +370,64 @@ int board::init(){
// This is where most of the logic lives
void board::start(){
initConstResources();
//get Panel size
const size_t panel_count = sizeof(PANELS) / sizeof(PANELS[0]);
size_t i = 0;
//timing, for dealing with framerates
auto start = std::chrono::high_resolution_clock::now();
static const std::chrono::nanoseconds s{1000000000};
//frame counter
static unsigned long long int fcount = 0;
SDL_Log("Starting main loop...\n");
for(;;){
start = std::chrono::high_resolution_clock::now();
fcount++;
//check if we can loop back over
if(i > panel_count)
i = 0;
//SDL_RenderClear(_renderer);
//PLACEHOLDER, cycle color
{
static uint8_t red = 0;
static bool up = true;
SDL_SetRenderDrawColor(_renderer, red,
BOARD_GREEN, BOARD_BLUE, SDL_ALPHA_OPAQUE);
SDL_RenderClear(_renderer);
if(up){
if(red == 254)
up = false;
red++;
} else {
if(red == 1)
up = true;
red --;
}
}
//END PLACEHOLDER
//call draw on the current panel
PANELS[i]->draw();
std::cerr << "Current frame: " << fcount << "\n";
SDL_RenderPresent(_renderer);
//wait for frame
std::this_thread::sleep_for((s / MAX_FRAMERATE) -
std::chrono::duration_cast<std::chrono::nanoseconds>(
std::chrono::high_resolution_clock::now() - start));
}
}
///////////////////////////////////////

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@ -9,10 +9,13 @@
#include "config.hpp"
#include "util/lru.hpp"
#include "panel/panel.hpp"
#include <functional>
#include <unordered_map>
#include <string.h>
#include <chrono>
#include <thread>
#include <SDL.h>
#include <SDL2/SDL_image.h>
@ -29,7 +32,6 @@ namespace dashboard {
bool operator< (const font_and_size&) const;
bool operator>=(const font_and_size&) const;
bool operator<=(const font_and_size&) const;
};
struct string_and_font {
@ -126,7 +128,6 @@ namespace dashboard {
SDL_Texture* setImage (const std::string&);
TTF_Font* setFont (const font_and_size&);
//TODO make set* functions that accept SDL_*_Wrapper objects
SDL_Texture* setString(const string_and_font&, const SDL_Texture_Wrapper&);
SDL_Texture* setImage (const std::string&, const SDL_Texture_Wrapper&);
TTF_Font* setFont (const font_and_size&, const SDL_Font_Wrapper&);
@ -138,12 +139,13 @@ namespace dashboard {
inline static std::unordered_map<string_and_font, SDL_Texture_Wrapper,
string_and_font_hash> _strings;
static clortox::LRUCache<string_and_font,
inline static clortox::LRUCache<string_and_font,
SDL_Texture_Wrapper, string_and_font_hash> _dynamic_strings;
//TODO: Dynamic images?
//TODO: Dynamic Fonts?
//local pointers to the globals
SDL_Window* _window;
SDL_Renderer* _renderer;

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@ -71,6 +71,16 @@ constexpr int IMG_FLAGS = 0
//| IMG_INIT_TIF
;
// PANELS
// A list of all panels to be displayed, in order
// Be sure to include the panel definition below, then add it to the system
#include "panel/panel.hpp"
#include "panel/weather.hpp"
static dashboard::panel::panel* PANELS[] = {
new dashboard::panel::weather(),
};
// DATA_DIR
// Where all resources will be
// Keep this as DATA to use the install dir set in the makefile
@ -81,9 +91,6 @@ constexpr char DATA_DIR[] = DATA_ ;
// Keep this a DATA_IMG_ to use the DATA_IMG dir defined in the makefile
constexpr char DATA_IMG[] = DATA_IMG_;
//TODO: Add directory prefix for each of these, and change it so it doesnt use
//that whole path as the key for the file
// IMAGE_LOCATIONS
// Locations of all static images used
static const char* IMAGE_LOCATIONS[] = {

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@ -17,7 +17,7 @@
#include <SDL2/SDL_image.h>
#include <SDL2/SDL_ttf.h>
namespace dashboard {
namespace dashboard::panel {
class panel {
public:
panel() = default;

50
src/panel/weather.cpp Normal file
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@ -0,0 +1,50 @@
///////////////////////////////////////////////////////////////////////////////
// Tyler Perkins
// 19-9-21
// weather panel
//
#include "weather.hpp"
using namespace dashboard::panel;
///////////////////////////////////////////////////////////////////////////////
// Constructors ///////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
weather::weather(){
_time_on_screen = WEATHER_DEFAULT_ON_SCREEN_TIME;
_update_interval = std::chrono::milliseconds{UPDATE_INTERVAL};
_last_update = std::chrono::high_resolution_clock::now();
}
weather::~weather(){
}
///////////////////////////////////////////////////////////////////////////////
// Draw function //////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
void weather::draw(){
std::cerr << "WEATHER DRAW FUNC\n";
std::cerr << "url_source : " << WEATHER_URL_SOURCE << "\n";
//check if its time to update
if((std::chrono::high_resolution_clock::now() - _last_update) > _update_interval){
//TODO multithread this
update();
}
}
///////////////////////////////////////////////////////////////////////////////
// Helper functions ///////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
void weather::update() {
std::cerr << "WEATHER::UPDATE\n";
_last_update = std::chrono::high_resolution_clock::now();
//fetch updates
}

33
src/panel/weather.hpp Normal file
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@ -0,0 +1,33 @@
///////////////////////////////////////////////////////////////////////////////
// Tyler Perkins
// 19-9-21
// weather panel
//
#pragma once
#include "panel.hpp"
#include "weather_config.hpp"
#include <chrono>
#include <SDL.h>
#include <SDL2/SDL_image.h>
#include <SDL2/SDL_ttf.h>
#include <iostream>
namespace dashboard::panel {
class weather : public panel {
public:
weather();
~weather();
void draw();
private:
std::chrono::time_point<std::chrono::high_resolution_clock> _last_update;
std::chrono::milliseconds _update_interval;
void update();
};
}

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@ -0,0 +1,21 @@
///////////////////////////////////////////////////////////////////////////////
// Tyler Perkins
// 19-9-21
// weather panel configuration
//
#pragma once
namespace dashboard::panel {
//New York RSS feed
static const char* WEATHER_URL_SOURCE = "http://rss.accuweather.com/rss/liveweather_rss.asp?locCode=10007";
//Default time the slide is shown on screen, in ms
//Default 5s
constexpr size_t WEATHER_DEFAULT_ON_SCREEN_TIME = 5000;
//How long should we wait between updates? in ms
//Default 1 hour
constexpr int UPDATE_INTERVAL = 3600000;
}