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software/videomixer: send to framebuffer

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Sebastien Bourdeauducq 2013-05-06 09:56:49 +02:00
parent 679d13c99c
commit f82a16f3a3
1 changed files with 17 additions and 0 deletions
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17
software/videomixer/main.c
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@ -3,10 +3,12 @@
#include <irq.h>
#include <uart.h>
#include <console.h>
#include <hw/csr.h>
#include <hw/flags.h>
static int d0, d1, d2;
static unsigned int framebuffer[640*480] __attribute__((aligned(16)));
static void print_status(void)
{
@ -22,6 +24,17 @@ static void print_status(void)
dvisampler0_resdetection_vres_read());
}
static void capture_fb(void)
{
dvisampler0_dma_base_write((unsigned int)framebuffer);
dvisampler0_dma_length_write(sizeof(framebuffer));
dvisampler0_dma_shoot_write(1);
printf("waiting for DMA...");
while(dvisampler0_dma_busy_read());
printf("done\n");
}
static void calibrate_delays(void)
{
dvisampler0_data0_cap_dly_ctl_write(DVISAMPLER_DELAY_CAL);
@ -119,6 +132,8 @@ static void vmix(void)
adjust_phase();
counter = 0;
}
if(readchar_nonblock() && (readchar() == 'c'))
capture_fb();
}
printf("PLL unlocked\n");
}
@ -132,6 +147,8 @@ int main(void)
puts("Minimal video mixer software built "__DATE__" "__TIME__"\n");
fb_base_write((unsigned int)framebuffer);
fb_enable_write(1);
vmix();
return 0;