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fb test: view multiple pictures

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This commit is contained in:
Martin Stein 2013-10-08 18:15:24 +02:00 committed by Christian Helmuth
parent 7057a12304
commit abbb03555d
2 changed files with 41 additions and 11 deletions
os
run
framebuffer.run
src/test/framebuffer
main.cc

1
os/run/framebuffer.run

@ -28,6 +28,7 @@ append config {
<service name="RM"/>
<service name="CPU"/>
<service name="LOG"/>
<service name="SIGNAL"/>
</parent-provides>
<default-route>
<any-service> <parent/> <any-child/> </any-service>

51
os/src/test/framebuffer/main.cc

@ -16,12 +16,14 @@
#include <dataspace/client.h>
#include <base/printf.h>
#include <base/env.h>
#include <timer_session/connection.h>
using namespace Genode;
int main()
{
printf("--- Test framebuffer ---\n");
static Timer::Connection timer;
/* create framebuffer */
static Framebuffer::Connection fb;
@ -32,17 +34,44 @@ int main()
PERR("Could not request dataspace for frame buffer");
return -2;
}
Framebuffer::Mode const fb_mode = fb.mode();
/* write pixeldata to framebuffer */
void *fb_base = env()->rm_session()->attach(fb_ds_cap);
unsigned const fb_size = (unsigned)(mode.width()*mode.height())/2;
for (unsigned i = 0; i < fb_size; i++)
*(((unsigned volatile *)fb_base) + i) = i;
fb.refresh(0, 0, fb_mode.width(), fb_mode.height());
printf("--- end ---\n");
while(1);
/* drive framebuffer */
enum {
BLACK = 0x0,
BLUE = 0x1f,
GREEN = 0x7e0,
RED = 0xf800,
WHITE = 0xffff,
};
addr_t const fb_base = (addr_t)env()->rm_session()->attach(fb_ds_cap);
unsigned const fb_bpp = (unsigned)mode.bytes_per_pixel();
unsigned const fb_size = (unsigned)(mode.width() * mode.height() * fb_bpp);
while (1) {
for (addr_t o = 0; o < fb_size; o += fb_bpp)
*(unsigned volatile *)(fb_base + o) = BLACK;
PINF("black");
timer.msleep(2000);
for (addr_t o = 0; o < fb_size; o += fb_bpp)
*(unsigned volatile *)(fb_base + o) = BLUE;
PINF("blue");
timer.msleep(2000);
for (addr_t o = 0; o < fb_size; o += fb_bpp)
*(unsigned volatile *)(fb_base + o) = GREEN;
PINF("green");
timer.msleep(2000);
for (addr_t o = 0; o < fb_size; o += fb_bpp)
*(unsigned volatile *)(fb_base + o) = RED;
PINF("red");
timer.msleep(2000);
for (addr_t o = 0; o < fb_size; o += fb_bpp)
*(unsigned volatile *)(fb_base + o) = WHITE;
PINF("white");
timer.msleep(2000);
unsigned i = 0;
for (addr_t o = 0; o < fb_size; o += fb_bpp, i++)
*(unsigned volatile *)(fb_base + o) = i;
PINF("all");
timer.msleep(2000);
}
return 0;
}