[stm32] Uart: Add transmission complete flag

modm-io · May 1, 2022 · 0e3d280 · 0e3d280
1 parent 596eafa
commit 0e3d280
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Showing 2 changed files with 14 additions and 0 deletions.
diff --git a/src/modm/platform/uart/stm32/uart_hal.hpp.in b/src/modm/platform/uart/stm32/uart_hal.hpp.in
@@ -118,6 +118,10 @@ public:
 	static inline bool
 	isTransmitRegisterEmpty();
 
+	/// Returns true if the transmission of a frame containing data is complete
+	static inline bool
+	isTransmissionComplete();
+
 	static inline void
 	enableInterruptVector(bool enable, uint32_t priority);
 

diff --git a/src/modm/platform/uart/stm32/uart_hal_impl.hpp.in b/src/modm/platform/uart/stm32/uart_hal_impl.hpp.in
@@ -210,6 +210,16 @@ bool
 %% endif
 }
 
+bool
+{{ hal }}::isTransmissionComplete()
+{
+%% if extended_driver
+	return {{ peripheral }}->ISR & USART_ISR_TC;
+%% else
+	return {{ peripheral }}->SR & USART_SR_TC;
+%% endif
+}
+
 void
 {{ hal }}::enableInterruptVector(bool enable, uint32_t priority)
 {