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-rw-r--r--digital/io-hub/src/common/output.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/digital/io-hub/src/common/output.c b/digital/io-hub/src/common/output.c
index d3518e7c..f6b3a705 100644
--- a/digital/io-hub/src/common/output.c
+++ b/digital/io-hub/src/common/output.c
@@ -60,3 +60,15 @@ output_clear (uint32_t clear)
#undef OUTPUT
}
+/** Toggle state of any number of output. */
+void
+output_toggle (uint32_t toggle)
+{
+#define OUTPUT(io, init) do { \
+ if (toggle & 1ul) IO_TOGGLE_ (io); \
+ toggle >>= 1; \
+} while (0); // <- do not copy this code unless you know why!
+ OUTPUT_LIST
+#undef OUTPUT
+}
+