From b47d7693697754ab6916b578b034761be80eb74a Mon Sep 17 00:00:00 2001
From: tute-avalos <msavalos@gmail.com>
Date: Fri, 3 Jul 2020 00:21:48 -0300
Subject: [PATCH] stm32: uart: Add Trasmission Complete enable/disable
 interrupt functions

---
 .../stm32/common/usart_common_all.h           |  2 ++
 lib/stm32/common/usart_common_all.c           | 26 +++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/include/libopencm3/stm32/common/usart_common_all.h b/include/libopencm3/stm32/common/usart_common_all.h
index a39d6833..5a41684b 100644
--- a/include/libopencm3/stm32/common/usart_common_all.h
+++ b/include/libopencm3/stm32/common/usart_common_all.h
@@ -120,6 +120,8 @@ void usart_enable_rx_interrupt(uint32_t usart);
 void usart_disable_rx_interrupt(uint32_t usart);
 void usart_enable_tx_interrupt(uint32_t usart);
 void usart_disable_tx_interrupt(uint32_t usart);
+void usart_enable_tx_complete_interrupt(uint32_t usart);
+void usart_disable_tx_complete_interrupt(uint32_t usart);
 void usart_enable_error_interrupt(uint32_t usart);
 void usart_disable_error_interrupt(uint32_t usart);
 bool usart_get_flag(uint32_t usart, uint32_t flag);
diff --git a/lib/stm32/common/usart_common_all.c b/lib/stm32/common/usart_common_all.c
index 2c7e9a6d..3565e802 100644
--- a/lib/stm32/common/usart_common_all.c
+++ b/lib/stm32/common/usart_common_all.c
@@ -350,6 +350,32 @@ void usart_disable_tx_interrupt(uint32_t usart)
 	USART_CR1(usart) &= ~USART_CR1_TXEIE;
 }
 
+/*---------------------------------------------------------------------------*/
+/**
+ * @brief USART Transmission Complete Interrupt Enable
+ * 
+ * @param[in] usart unsigned 32 bit. USART block register address base @ref
+usart_reg_base
+ */
+
+void usart_enable_tx_complete_interrupt(uint32_t usart)
+{
+	USART_CR1(usart) |= USART_CR1_TCIE;
+}
+
+/*---------------------------------------------------------------------------*/
+/**
+ * @brief USART Transmission Complete Interrupt Disable
+ * 
+ * @param[in] usart unsigned 32 bit. USART block register address base @ref
+usart_reg_base
+ */
+
+void usart_disable_tx_complete_interrupt(uint32_t usart)
+{
+	USART_CR1(usart) &= ~USART_CR1_TCIE;
+}
+
 /*---------------------------------------------------------------------------*/
 /** @brief USART Error Interrupt Enable.