void bitfile_reverse_bits_of_chunk(bitfile_chunk_t *chunk) {
int i;
for (i = 0; i < chunk->size; i ++) {
chunk->data[i] = bitfile_reverse_bits(chunk->data[i]);
}
}
static int usb_program_fpga(llio_t *self, char *bitfile_name) {
board_t *board = self->board;
int bindex, bytesread;
u32 status, control;
char part_name[32];
struct stat file_stat;
FILE *fp;
u8 cmd = '0';
if (stat(bitfile_name, &file_stat) != 0) {
printf("Can't find file %s\n", bitfile_name);
return -1;
}
fp = fopen(bitfile_name, "rb");
if (fp == NULL) {
printf("Can't open file %s: %s\n", bitfile_name, strerror(errno));
return -1;
}
if (print_bitfile_header(fp, (char*) &part_name, board->llio.verbose) == -1) {
fclose(fp);
return -1;
}
printf("Programming FPGA...\n");
printf(" |");
fflush(stdout);
lbp_send(&cmd, 1);
lbp_send(&cmd, 1);
lbp_send(&cmd, 1);
lbp_send(&cmd, 1);
// program the FPGA
while (!feof(fp)) {
bytesread = fread(&file_buffer, 1, 8192, fp);
bindex = 0;
while (bindex < bytesread) {
file_buffer[bindex] = bitfile_reverse_bits(file_buffer[bindex]);
bindex++;
}
lbp_send(&file_buffer, bytesread);
printf("W");
fflush(stdout);
}
printf("\n");
fclose(fp);
return 0;
}
