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/*
* Copyright (c) 2009 Openmoko Inc.
*
* Authors Daniel Mack <daniel@caiaq.de>
*
* 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 "regs.h"
#include "types.h"
#include "samo.h"
#include "misc.h"
int serial_input_available(void) {
return (0 != (REG_EFSIF0_STATUS & RDBFx));
}
int serial_input_char(void)
{
while (!serial_input_available()) {
}
return(REG_EFSIF0_RXD);
}
#define WAIT_FOR_EFSIF0_RDY() \
do { \
} while (0 == (REG_EFSIF0_STATUS & TDBEx))
int print_char(int c)
{
if (c == '\n') {
WAIT_FOR_EFSIF0_RDY();
REG_EFSIF0_TXD = '\r';
}
WAIT_FOR_EFSIF0_RDY();
REG_EFSIF0_TXD = c;
return 0;
}
void print(const char *txt)
{
while (txt && *txt) {
print_char(*txt++);
}
}
static void print_nibble(uint8_t nib)
{
nib &= 0x0f;
if (nib >= 10)
print_char(nib - 10 + 'a');
else
print_char(nib + '0');
}
void print_byte(uint8_t byte)
{
print_nibble(byte >> 4);
print_nibble(byte);
}
void hex_dump(const void *buffer, uint32_t size)
{
int i, l;
char a[2] = "X";
const uint8_t *buf = (const uint8_t *)buffer;
for (l = 0; l < size; l += 16) {
print_byte(l >> 24);
print_byte(l >> 16);
print_byte(l >> 8);
print_byte(l);
print(" ");
for (i = 0; i < 16; i++) {
if (l + i < size) {
print_byte(buf[l + i]);
print(" ");
} else
print(" ");
}
print(" |");
for (i = 0; i < 16; i++) {
if (l + i < size) {
if (buf[l + i] >= ' ' && buf[l + i] <= '~')
a[0] = buf[l + i];
else
a[0] = '.';
} else
a[0] = ' ';
print(a);
}
print("|\n");
}
}
void print_u32(uint32_t val)
{
print("0x");
print_byte(val >> 24);
print_byte(val >> 16);
print_byte(val >> 8);
print_byte(val);
}
void print_int32(int32_t value)
{
if (0 > value) {
print("-");
value = - value;
}
print_dec32(value);
}
void print_dec32(uint32_t value)
{
char c[33];
int i;
c[sizeof(c) - 1] = '\0';
for (i = sizeof(c) - 2; i >= 0; --i) {
c[i] = value % 10 + '0';
value /= 10;
}
for (i = 0; '0' == c[i] && i < sizeof(c) - 2; ++i) {
}
print(&c[i]);
}
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