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/*
* Copyright 2007 Free Software Foundation, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "u2_init.h"
#include "memory_map.h"
#include <stdbool.h>
#include "nonstdio.h"
#include "hal_io.h"
#include "mdelay.h"
static void
write_bufs(void)
{
int i, n;
int counter = 0;
for (n = 0; n < NBUFFERS; n++){
volatile int *p = buffer_ram(n);
for (i = 0; i < BP_NLINES; i++)
p[i] = counter++;
}
}
// return number of errors detected
static int
check_bufs(void)
{
int i, n;
int counter = 0;
int nerrors = 0;
for (n = 0; n < NBUFFERS; n++){
volatile int *p = buffer_ram(n);
for (i = 0; i < BP_NLINES; i++, counter++){
int rd = p[i];
if (rd != counter){
putchar('b');
putchar(n + '0');
putchar('[');
puthex16(i);
putstr("] exp: ");
puthex32(counter);
putstr(" got: ");
puthex32_nl(rd);
nerrors++;
}
}
}
return nerrors;
}
int
main(void)
{
u2_init();
output_regs->leds = 0;
write_bufs();
int nerrors = check_bufs();
if (nerrors == 0){
output_regs->leds = 0x3; // leds on -> PASS
putstr("PASS\n");
}
else {
output_regs->leds = 0x0; // leds off -> FAIL
putstr("FAIL\n");
}
hal_finish();
return 0;
}
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