aboutsummaryrefslogtreecommitdiff
path: root/usart/include/isr_vector.h
diff options
context:
space:
mode:
authorJosh Rahm <joshuarahm@gmail.com>2018-01-22 00:14:20 -0700
committerJosh Rahm <joshuarahm@gmail.com>2018-01-22 00:14:20 -0700
commitaf0244fb51ccb608440128d0f3303ccce77c14c2 (patch)
tree4b6057fe3c3029ee4b4602e690917859c6011599 /usart/include/isr_vector.h
parent2dcbbea5fe1e2342ce4700b3ee8dce44a360a888 (diff)
downloadstm32l4-af0244fb51ccb608440128d0f3303ccce77c14c2.tar.gz
stm32l4-af0244fb51ccb608440128d0f3303ccce77c14c2.tar.bz2
stm32l4-af0244fb51ccb608440128d0f3303ccce77c14c2.zip
VERY simple USART set up on USART2.
Diffstat (limited to 'usart/include/isr_vector.h')
-rw-r--r--usart/include/isr_vector.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/usart/include/isr_vector.h b/usart/include/isr_vector.h
new file mode 100644
index 0000000..3e55f52
--- /dev/null
+++ b/usart/include/isr_vector.h
@@ -0,0 +1,20 @@
+#ifndef h__ISR_VECTOR_H__
+#define h__ISR_VECTOR_H__
+
+/*
+ * Include file for interrupt service routines.
+ */
+
+/*
+ * The interrupt service routines. These link in the function `main` as the
+ * main function.
+ */
+extern const void* isr_vector[];
+
+/*
+ * Defines an error state. This loops forever and defines a distinct flashing
+ * pattern to let the user know an unhandled ISR happened.
+ */
+void unhandled_isr();
+
+#endif /* h___ISR_VECTOR_H__ */