libctru  v2.4.1
graphics/printing/both-screen-text/source/main.c
/*
Both Screen Text example made by Aurelio Mannara for libctru
This code was modified for the last time on: 12/12/2014 23:20 UTC+1
*/
#include <3ds.h>
#include <stdio.h>
int main(int argc, char **argv)
{
// Initialize services
//In this example we need one PrintConsole for each screen
PrintConsole topScreen, bottomScreen;
//Initialize console for both screen using the two different PrintConsole we have defined
consoleInit(GFX_TOP, &topScreen);
consoleInit(GFX_BOTTOM, &bottomScreen);
//Before doing any text printing we should select the PrintConsole in which we are willing to write, otherwise the library will print on the last selected/initialized one
//Let's start by printing something on the top screen
consoleSelect(&topScreen);
printf("This is the top screen. We have lot of space here!\n");
//Now write something else on the bottom screen
consoleSelect(&bottomScreen);
printf("This is the bottom screen. We don't have much space...\nStill better than DS screens :D");
consoleSelect(&topScreen);
printf("\x1b[30;16HPress Start to exit.");
// Main loop
while (aptMainLoop())
{
//Scan all the inputs. This should be done once for each frame
//hidKeysDown returns information about which buttons have been just pressed (and they weren't in the previous frame)
u32 kDown = hidKeysDown();
if (kDown & KEY_START) break; // break in order to return to hbmenu
// Flush and swap framebuffers
//Wait for VBlank
}
// Exit services
return 0;
}
Central 3DS header.
bool aptMainLoop(void)
Main function which handles sleep mode and HOME/power buttons - call this at the beginning of every f...
PrintConsole * consoleInit(gfxScreen_t screen, PrintConsole *console)
Initialise the console.
PrintConsole * consoleSelect(PrintConsole *console)
Make the specified console the render target.
void gfxSwapBuffers(void)
Updates the configuration of both screens.
void gfxInitDefault(void)
Initializes the LCD framebuffers with default parameters This is equivalent to calling:
@ GFX_BOTTOM
Bottom screen.
Definition: gfx.h:27
@ GFX_TOP
Top screen.
Definition: gfx.h:26
void gfxExit(void)
Deinitializes and frees the LCD framebuffers.
void gfxFlushBuffers(void)
Flushes the data cache for the current framebuffers.
#define gspWaitForVBlank()
Waits for VBlank.
Definition: gspgpu.h:151
@ KEY_START
Start.
Definition: hid.h:15
u32 hidKeysDown(void)
Returns a bitmask of newly pressed buttons, this frame.
void hidScanInput(void)
Scans HID for input data.
Console structure used to store the state of a console render context.
Definition: console.h:77
uint32_t u32
32-bit unsigned integer
Definition: types.h:23