ST STM32F31xx - USART Firmware Driver Defines; Usart

Universal synchronous asynchronous receiver
transmitter (USART)
UM1581
568/584
DocID023800 Rev 1
Function Description
Configures the USART's IrDA interface.
Parameters
 USARTx : Select the USART peripheral. This parameter can
be one of the following values: USART1 or USART2 or
USART3 or UART4 or UART5.
 USART_IrDAMode : specifies the IrDA mode. This
parameter can be one of the following values:
 USART_IrDAMode_LowPower :
 USART_IrDAMode_Normal :
Return values
 None.
Notes
 None.
23.2.25.2 USART_IrDACmd
Function Name
void USART_IrDACmd ( USART_TypeDef * USARTx,
FunctionalState NewState)
Function Description
Enables or disables the USART's IrDA interface.
Parameters
 USARTx : Select the USART peripheral. This parameter can
be one of the following values: USART1 or USART2 or
USART3 or UART4 or UART5.
 NewState : new state of the IrDA mode. This parameter can
be: ENABLE or DISABLE.
Return values
 None.
Notes
 None.
23.3 USART Firmware driver defines
23.3.1 USART
USART
USART_Address_Detection
 #define: USART_AddressLength_4b ((uint32_t)0x00000000)
 #define: USART_AddressLength_7b USART_CR2_ADDM7