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authorJosh Rahm <joshuarahm@gmail.com>2020-11-20 09:24:04 -0700
committerJosh Rahm <joshuarahm@gmail.com>2020-11-20 09:24:04 -0700
commitd82837cb93b8675a6e589548e157f31e41aaa039 (patch)
tree4ea6bfb8ed9e49db45cf455f7bb9a7ff94894d10 /02-usart/include/common.h
parent0c4468b1fa0e50f618f5e3150b3c24c324e5956c (diff)
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Added NVIC definition
Diffstat (limited to '02-usart/include/common.h')
-rw-r--r--02-usart/include/common.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/02-usart/include/common.h b/02-usart/include/common.h
index 2f14e42..653279e 100644
--- a/02-usart/include/common.h
+++ b/02-usart/include/common.h
@@ -44,4 +44,7 @@ typedef __IO uint32_t bits_t;
#define regset(reg, mask, val) \
((reg) = ((reg) & ~mask) | (val << CTZ(mask)))
+#define regget(reg, mask) \
+ (((reg) & mask) >> (CTZ(mask)))
+
#endif /* COMMON_H */