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stm32/usart: Add enable_/disable_error_interrupt

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This commit is contained in:
Ben Gamari 2012-11-08 14:54:41 -05:00
parent 095e6cdb5d
commit 9fea26e455
2 changed files with 23 additions and 0 deletions
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2
include/libopencm3/stm32/usart.h
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@ -371,6 +371,8 @@ void usart_enable_rx_interrupt(u32 usart);
void usart_disable_rx_interrupt(u32 usart); void usart_disable_rx_interrupt(u32 usart);
void usart_enable_tx_interrupt(u32 usart); void usart_enable_tx_interrupt(u32 usart);
void usart_disable_tx_interrupt(u32 usart); void usart_disable_tx_interrupt(u32 usart);
void usart_enable_error_interrupt(u32 usart);
void usart_disable_error_interrupt(u32 usart);
bool usart_get_flag(u32 usart, u32 flag); bool usart_get_flag(u32 usart, u32 flag);
bool usart_get_interrupt_source(u32 usart, u32 flag); bool usart_get_interrupt_source(u32 usart, u32 flag);

21
lib/stm32/usart.c
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@ -398,6 +398,27 @@ void usart_disable_tx_interrupt(u32 usart)
USART_CR1(usart) &= ~USART_CR1_TXEIE; USART_CR1(usart) &= ~USART_CR1_TXEIE;
} }
/*-----------------------------------------------------------------------------*/
/** @brief USART Error Interrupt Enable.
@param[in] usart unsigned 32 bit. USART block register address base @ref usart_reg_base
*/
void usart_enable_error_interrupt(u32 usart)
{
USART_CR3(usart) |= USART_CR3_EIE;
}
/*-----------------------------------------------------------------------------*/
/** @brief USART Error Interrupt Disable.
@param[in] usart unsigned 32 bit. USART block register address base @ref usart_reg_base
*/
void usart_disable_error_interrupt(u32 usart)
{
USART_CR3(usart) &= ~USART_CR3_EIE;
}
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
/** @brief USART Read a Status Flag. /** @brief USART Read a Status Flag.