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latticeBitParser: support lattice radiant bit file

This commit is contained in:
Gwenhael Goavec-Merou 2020-09-26 07:58:03 +02:00
parent d9bbcdf68b
commit 871e28259e
1 changed files with 15 additions and 1 deletions
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16
src/latticeBitParser.cpp
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@ -86,8 +86,22 @@ int LatticeBitParser::parse()
{
uint8_t dummy[2];
/* bit file start with 0xff00 */
_fd.read(reinterpret_cast<char*>(&dummy), 2*sizeof(uint8_t));
/* radiant .bit start with LSCC */
if (dummy[0] == 'L') {
uint8_t dummy2[2];
_fd.read(reinterpret_cast<char*>(&dummy2), 2*sizeof(uint8_t));
if (!(dummy[1] == 'S' && dummy2[0] == 'C' && dummy2[1] == 'C')) {
printf("Wrong File %c%c%c%c\n",
dummy[0], dummy[1],
dummy2[0], dummy2[1]);
return EXIT_FAILURE;
}
_fd.read(reinterpret_cast<char*>(&dummy), 2*sizeof(uint8_t));
}
/* bit file comment area start with 0xff00 */
if (dummy[0] != 0xff || dummy[1] != 0x00) {
printf("Wrong File %02x%02x\n", dummy[0], dummy[1]);
return EXIT_FAILURE;