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-rw-r--r--wirish/HardwareSerial.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/wirish/HardwareSerial.cpp b/wirish/HardwareSerial.cpp
index 7dccccf..e78156d 100644
--- a/wirish/HardwareSerial.cpp
+++ b/wirish/HardwareSerial.cpp
@@ -85,7 +85,7 @@ static void disable_timer_if_necessary(timer_dev *dev, uint8 ch) {
(STM32_MCU_SERIES == STM32_SERIES_F4)
#define disable_timer_if_necessary(dev, ch) ((void)0)
#else
-#warn "Unsupported STM32 series; timer conflicts are possible"
+#warning "Unsupported STM32 series; timer conflicts are possible"
#endif
void HardwareSerial::begin(uint32 baud) {