From ab43af7f0e44f3358f6186e58466d7524a324af8 Mon Sep 17 00:00:00 2001 From: Gwenhael Goavec-Merou Date: Sat, 20 Nov 2021 17:01:13 +0100 Subject: [PATCH] latticeBitParser: extract FPGA idcode from configuration data --- src/latticeBitParser.cpp | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/src/latticeBitParser.cpp b/src/latticeBitParser.cpp index 4f40900..f93b1da 100644 --- a/src/latticeBitParser.cpp +++ b/src/latticeBitParser.cpp @@ -92,5 +92,19 @@ int LatticeBitParser::parse() std::move(_raw_data.begin()+_endHeader, _raw_data.end(), _bit_data.begin()); _bit_length = _bit_data.size() * 8; + /* extract idcode from configuration data (area starting with 0xE2) */ + for (int i = 0; i < _bit_data.size();i++) { + if ((uint8_t)_bit_data[i] != 0xe2) + continue; + /* E2: verif id */ + uint32_t idcode = (((uint32_t)_bit_data[i+4]) << 24) | + (((uint32_t)_bit_data[i+5]) << 16) | + (((uint32_t)_bit_data[i+6]) << 8) | + (((uint32_t)_bit_data[i+7]) << 0); + _hdr["idcode"] = string(8, ' '); + snprintf(&_hdr["idcode"][0], 9, "%08x", idcode); + break; + } + return 0; }