suzanne.soy/fpgatools
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

small improvement in frame structure

Browse Source
This commit is contained in:
Wolfgang Spraul 2012-06-11 20:20:14 +02:00
parent 2490c266a0
commit 8caf4dd1e6
1 changed files with 95 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

111
bit2txt.c
View File

@ -173,22 +173,18 @@ static const char* bitstr(uint32_t value, int digits)
return str;
}
void hexdump(int offset, const uint8_t* data, int len)
void hexdump(const uint8_t* data, int len)
{
int i, j;
if (len) {
printf("#D hexdump offset %xh, len 0x%x (%i)\n",
offset, len, len);
i = 0;
while (i < len) {
printf("#D %05x: %02x", i, data[i]);
for (j = 1; (j < 8) && (i + j < len); j++) {
if (i + j >= len) break;
printf(" %02x", data[i+j]);
}
printf("\n");
i += 8;
i = 0;
while (i < len) {
printf("@%05x %02x", i, data[i]);
for (j = 1; (j < 8) && (i + j < len); j++) {
if (i + j >= len) break;
printf(" %02x", data[i+j]);
}
printf("\n");
i += 8;
}
}
@ -201,7 +197,7 @@ int main(int argc, char** argv)
uint16_t packet_hdr_register, packet_hdr_wordcount;
int info = 0; // whether to print #I info messages (offsets and others)
char* bit_path = 0;
int i;
int i, j;
//
// parse command line
@ -791,8 +787,91 @@ int main(int argc, char** argv)
printf("T2 FDRI\n");
if (bit_cur + 2*u32 > bit_eof) goto fail_eof;
hexdump(bit_cur, &bit_data[bit_cur], 2*u32);
if (!u32)
printf("#W Unexpected Type2 length 0.\n");
// If the data size is a multiple of frame size (1 frame
// is 130 bytes), then hexdump frame by frame.
// Total frames on xc6slx4 is 2020. 505 per row (18
// columns (majors) with varying counts), 4 rows.
// Then there are an extra 5 frames before data starts (?)
if ((2*u32) % 130 == 0 || 2*u32 > 2025*130) {
int max_frames = 2*u32 / 130;
if (max_frames > 2025)
max_frames = 2025;
for (i = 0; i < max_frames; i++) {
int first64_all_zero, first64_all_one;
int last64_all_zero, last64_all_one;
uint16_t middle_word;
middle_word = __be16_to_cpu(*(uint16_t*)
&bit_data[bit_cur+i*130+64]);
first64_all_zero = 1; first64_all_one = 1;
last64_all_zero = 1; last64_all_one = 1;
for (j = 0; j < 64; j++) {
if (bit_data[bit_cur+i*130+j] != 0)
first64_all_zero = 0;
if (bit_data[bit_cur+i*130+j] != 0xff)
first64_all_one = 0;
if (!first64_all_zero && !first64_all_one)
break;
}
for (j = 66; j < 130; j++) {
if (bit_data[bit_cur+i*130+j] != 0)
last64_all_zero = 0;
if (bit_data[bit_cur+i*130+j] != 0xff)
last64_all_one = 0;
if (!last64_all_zero && !last64_all_one)
break;
}
if (first64_all_zero && !middle_word
&& last64_all_zero)
printf("frame_130 all_0\n");
else if (first64_all_one
&& (middle_word == 0xFFFF) &&
last64_all_one)
printf("frame_130 all_1\n");
else {
if (first64_all_zero)
printf("frame_64 all_0\n");
else if (first64_all_one)
printf("frame_64 all_1\n");
else {
printf("frame_64");
for (j = 0; j < 64; j++)
printf(" %02x", bit_data[bit_cur+i*130+j]);
printf("\n");
}
printf("frame_2 0x%04x\n", __be16_to_cpu(
*(uint16_t*) &bit_data[bit_cur+i*130+64]));
if (last64_all_zero)
printf("frame_64 all_0\n");
else if (last64_all_one)
printf("frame_64 all_1\n");
else {
printf("frame_64");
for (j = 66; j < 130; j++)
printf(" %02x", bit_data[bit_cur+i*130+j]);
printf("\n");
}
}
}
if (2*u32 > 2025*130) {
int dump_len = 2*u32 - 2025*130;
printf("#D hexdump offset %xh, len 0x%x (%i)\n",
bit_cur+2025*130, dump_len, dump_len);
hexdump(&bit_data[bit_cur+2025*130], dump_len);
}
} else {
printf("#D hexdump offset %xh, len 0x%x (%i)\n",
bit_cur, 2*u32, 2*u32);
hexdump(&bit_data[bit_cur], 2*u32);
}
bit_cur += u32*2;
if (bit_cur + 4 > bit_eof) goto fail_eof;