From bd9338da4ae8472d21c11bf27b80503e4872f7b1 Mon Sep 17 00:00:00 2001
From: Rick Altherr <kc8apf@kc8apf.net>
Date: Fri, 8 Dec 2017 19:34:32 -0800
Subject: [PATCH] Tool to decode xc7series frame addresses

Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
---
 tools/CMakeLists.txt           |  3 +++
 tools/frame_address_decoder.cc | 43 ++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 tools/frame_address_decoder.cc

diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index b5bcafd8..68290a6c 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -6,3 +6,6 @@ target_link_libraries(segmatch libprjxray gflags absl::strings)
 
 add_executable(bittool bittool.cc)
 target_link_libraries(bittool libprjxray gflags absl::strings absl::span)
+
+add_executable(frame_address_decoder frame_address_decoder.cc)
+target_link_libraries(frame_address_decoder libprjxray)
diff --git a/tools/frame_address_decoder.cc b/tools/frame_address_decoder.cc
new file mode 100644
index 00000000..60410521
--- /dev/null
+++ b/tools/frame_address_decoder.cc
@@ -0,0 +1,43 @@
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+
+#include <prjxray/xilinx/xc7series/configuration_frame_address.h>
+
+namespace xc7series = prjxray::xilinx::xc7series;
+
+int main(int argc, char *argv[]) {
+	std::istream * input_stream = &std::cin;
+	if (argc > 1) {
+		auto file_stream = std::ifstream(argv[1]);
+		if (file_stream) {
+			input_stream = &file_stream;
+		}
+	}
+
+	for (uint32_t frame_address_raw;
+	     (*input_stream) >> std::hex >> frame_address_raw;
+	     ) {
+		xc7series::ConfigurationFrameAddress frame_address(frame_address_raw);
+		std::cout << "["
+			  << std::hex << std::showbase << std::setw(10)
+			  << frame_address_raw
+			  << "] "
+			  << (frame_address.is_bottom_half_rows() ?
+				     "BOTTOM" : "TOP")
+			  << " Row="
+			  << std::setw(2) << std::dec
+			  << static_cast<unsigned int>(frame_address.row_address())
+			  << " Column="
+			  << std::setw(2) << std::dec
+			  << frame_address.column_address()
+			  << " Minor="
+			  << std::setw(2) << std::dec
+			  << static_cast<unsigned int>(frame_address.minor_address())
+			  << " Type="
+			  << frame_address.block_type()
+			  << std::endl;
+	}
+
+	return 0;
+}