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Diffstat (limited to 'examples/stm32/stm32-discovery/button/button.c')
-rw-r--r--examples/stm32/stm32-discovery/button/button.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/examples/stm32/stm32-discovery/button/button.c b/examples/stm32/stm32-discovery/button/button.c
index 086d850..b84f074 100644
--- a/examples/stm32/stm32-discovery/button/button.c
+++ b/examples/stm32/stm32-discovery/button/button.c
@@ -61,6 +61,7 @@ int main(void)
while (1) {
gpio_toggle(GPIOC, GPIO9);
+ /* Upon button press, blink more slowly. */
exti_line_state = GPIOA_IDR;
if ((exti_line_state & (1 << 0)) != 0) {
for (i = 0; i < 800000; i++) /* Wait a bit. */