printer: helper macros

2021-01-14 19:32:18 +01:00 · 2021-01-14 19:32:18 +01:00 · fd11cae7be
commit fd11cae7be
parent d6b0af3be7
1 changed files with 14 additions and 0 deletions
--- a/serviceinterface/ServiceInterfacePrinter.h
+++ b/serviceinterface/ServiceInterfacePrinter.h
@ -2,6 +2,20 @@
 #include <cstdio>
 #endif

+//! https://stackoverflow.com/questions/111928/is-there-a-printf-converter-to-print-in-binary-format
+//! Can be used to print out binary numbers in human-readable format.
+#define BYTE_TO_BINARY_PATTERN "%c%c%c%c%c%c%c%c"
+#define BYTE_TO_BINARY(byte)  \
+  (byte & 0x80 ? '1' : '0'), \
+  (byte & 0x40 ? '1' : '0'), \
+  (byte & 0x20 ? '1' : '0'), \
+  (byte & 0x10 ? '1' : '0'), \
+  (byte & 0x08 ? '1' : '0'), \
+  (byte & 0x04 ? '1' : '0'), \
+  (byte & 0x02 ? '1' : '0'), \
+  (byte & 0x01 ? '1' : '0')
+
+
 namespace sif {

 enum PrintLevel {