1 files changed, 3 insertions, 0 deletions

diff --git a/weak.c b/weak.c
new file mode 100644
index 0000000..8d8a726
--- /dev/null
+++ b/weak.c
@@ -0,0 +1,3 @@
+void uart0_isr(void);
+__attribute__ ((weak))
+void uart0_isr(void) { }