IT_Management
[USART Exported Functions]

Disable Character Match Interrupt CR1 CMIE LL_USART_DisableIT_CM.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3173 of file stm32l4xx_ll_usart.h.

Disable CTS Interrupt.

Note:

Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not Hardware Flow control feature is supported by the USARTx instance. CR3 CTSIE LL_USART_DisableIT_CTS

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3238 of file stm32l4xx_ll_usart.h.

Disable End Of Block Interrupt.

Note:

Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not Smartcard feature is supported by the USARTx instance. CR1 EOBIE LL_USART_DisableIT_EOB

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3197 of file stm32l4xx_ll_usart.h.

Disable Error Interrupt.

Note:

When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_ISR register). 0: Interrupt is inhibited 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_ISR register. CR3 EIE LL_USART_DisableIT_ERROR

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3225 of file stm32l4xx_ll_usart.h.

Disable IDLE Interrupt CR1 IDLEIE LL_USART_DisableIT_IDLE.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3118 of file stm32l4xx_ll_usart.h.

Disable LIN Break Detection Interrupt.

Note:

Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not LIN feature is supported by the USARTx instance. CR2 LBDIE LL_USART_DisableIT_LBD

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3210 of file stm32l4xx_ll_usart.h.

Disable Parity Error Interrupt CR1 PEIE LL_USART_DisableIT_PE.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3162 of file stm32l4xx_ll_usart.h.

Disable Receiver Timeout Interrupt CR1 RTOIE LL_USART_DisableIT_RTO.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3184 of file stm32l4xx_ll_usart.h.

Disable RX Not Empty Interrupt CR1 RXNEIE LL_USART_DisableIT_RXNE.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3129 of file stm32l4xx_ll_usart.h.

Disable Transmission Complete Interrupt CR1 TCIE LL_USART_DisableIT_TC.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3140 of file stm32l4xx_ll_usart.h.

Disable Smartcard Transmission Complete Before Guard Time Interrupt.

Note:

Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not Smartcard feature is supported by the USARTx instance. CR3 TCBGTIE LL_USART_DisableIT_TCBGT

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3266 of file stm32l4xx_ll_usart.h.

Disable TX Empty Interrupt CR1 TXEIE LL_USART_DisableIT_TXE.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3151 of file stm32l4xx_ll_usart.h.

Disable Wake Up from Stop Mode Interrupt.

Note:

Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not Wake-up from Stop mode feature is supported by the USARTx instance. CR3 WUFIE LL_USART_DisableIT_WKUP

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3251 of file stm32l4xx_ll_usart.h.

Enable Character Match Interrupt CR1 CMIE LL_USART_EnableIT_CM.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3013 of file stm32l4xx_ll_usart.h.

Enable CTS Interrupt.

Note:

Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not Hardware Flow control feature is supported by the USARTx instance. CR3 CTSIE LL_USART_EnableIT_CTS

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3078 of file stm32l4xx_ll_usart.h.

Enable End Of Block Interrupt.

Note:

Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not Smartcard feature is supported by the USARTx instance. CR1 EOBIE LL_USART_EnableIT_EOB

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3037 of file stm32l4xx_ll_usart.h.

Enable Error Interrupt.

Note:

When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the USARTx_ISR register). 0: Interrupt is inhibited 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_ISR register. CR3 EIE LL_USART_EnableIT_ERROR

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3065 of file stm32l4xx_ll_usart.h.

Enable IDLE Interrupt CR1 IDLEIE LL_USART_EnableIT_IDLE.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 2958 of file stm32l4xx_ll_usart.h.

Enable LIN Break Detection Interrupt.

Note:

Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not LIN feature is supported by the USARTx instance. CR2 LBDIE LL_USART_EnableIT_LBD

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3050 of file stm32l4xx_ll_usart.h.

Enable Parity Error Interrupt CR1 PEIE LL_USART_EnableIT_PE.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3002 of file stm32l4xx_ll_usart.h.

Enable Receiver Timeout Interrupt CR1 RTOIE LL_USART_EnableIT_RTO.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3024 of file stm32l4xx_ll_usart.h.

Enable RX Not Empty Interrupt CR1 RXNEIE LL_USART_EnableIT_RXNE.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 2969 of file stm32l4xx_ll_usart.h.

Enable Transmission Complete Interrupt CR1 TCIE LL_USART_EnableIT_TC.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 2980 of file stm32l4xx_ll_usart.h.

Enable Smartcard Transmission Complete Before Guard Time Interrupt.

Note:

Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not Smartcard feature is supported by the USARTx instance. CR3 TCBGTIE LL_USART_EnableIT_TCBGT

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3106 of file stm32l4xx_ll_usart.h.

Enable TX Empty Interrupt CR1 TXEIE LL_USART_EnableIT_TXE.

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 2991 of file stm32l4xx_ll_usart.h.

Enable Wake Up from Stop Mode Interrupt.

Note:

Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not Wake-up from Stop mode feature is supported by the USARTx instance. CR3 WUFIE LL_USART_EnableIT_WKUP

Parameters:

USARTx

USART Instance

Return values:

None

Definition at line 3091 of file stm32l4xx_ll_usart.h.

Check if the USART Character Match Interrupt is enabled or disabled.

CR1 CMIE LL_USART_IsEnabledIT_CM

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3333 of file stm32l4xx_ll_usart.h.

Check if the USART CTS Interrupt is enabled or disabled.

Note:

Macro IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not Hardware Flow control feature is supported by the USARTx instance. CR3 CTSIE LL_USART_IsEnabledIT_CTS

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3394 of file stm32l4xx_ll_usart.h.

Check if the USART End Of Block Interrupt is enabled or disabled.

Note:

Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not Smartcard feature is supported by the USARTx instance. CR1 EOBIE LL_USART_IsEnabledIT_EOB

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3357 of file stm32l4xx_ll_usart.h.

Check if the USART Error Interrupt is enabled or disabled.

CR3 EIE LL_USART_IsEnabledIT_ERROR

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3381 of file stm32l4xx_ll_usart.h.

Check if the USART IDLE Interrupt source is enabled or disabled.

CR1 IDLEIE LL_USART_IsEnabledIT_IDLE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3278 of file stm32l4xx_ll_usart.h.

Check if the USART LIN Break Detection Interrupt is enabled or disabled.

Note:

Macro IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not LIN feature is supported by the USARTx instance. CR2 LBDIE LL_USART_IsEnabledIT_LBD

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3370 of file stm32l4xx_ll_usart.h.

Check if the USART Parity Error Interrupt is enabled or disabled.

CR1 PEIE LL_USART_IsEnabledIT_PE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3322 of file stm32l4xx_ll_usart.h.

Check if the USART Receiver Timeout Interrupt is enabled or disabled.

CR1 RTOIE LL_USART_IsEnabledIT_RTO

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3344 of file stm32l4xx_ll_usart.h.

Check if the USART RX Not Empty Interrupt is enabled or disabled.

CR1 RXNEIE LL_USART_IsEnabledIT_RXNE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3289 of file stm32l4xx_ll_usart.h.

Check if the USART Transmission Complete Interrupt is enabled or disabled.

CR1 TCIE LL_USART_IsEnabledIT_TC

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3300 of file stm32l4xx_ll_usart.h.

Check if the Smartcard Transmission Complete Before Guard Time Interrupt is enabled or disabled.

Note:

Macro IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not Smartcard feature is supported by the USARTx instance. CR3 TCBGTIE LL_USART_IsEnabledIT_TCBGT

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3422 of file stm32l4xx_ll_usart.h.

Check if the USART TX Empty Interrupt is enabled or disabled.

CR1 TXEIE LL_USART_IsEnabledIT_TXE

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3311 of file stm32l4xx_ll_usart.h.

Check if the USART Wake Up from Stop Mode Interrupt is enabled or disabled.

Note:

Macro IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not Wake-up from Stop mode feature is supported by the USARTx instance. CR3 WUFIE LL_USART_IsEnabledIT_WKUP

Parameters:

USARTx

USART Instance

Return values:

State

of bit (1 or 0).

Definition at line 3407 of file stm32l4xx_ll_usart.h.