Detailed Description

Low Energy Universal Asynchronous Receiver/Transmitter (LEUART) peripheral API.

Version: 5.1.2

License

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

The origin of this software must not be misrepresented; you must not claim that you wrote the original software.
Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
This notice may not be removed or altered from any source distribution.

DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no obligation to support this Software. Silicon Labs is providing the Software "AS IS", with no express or implied warranties of any kind, including, but not limited to, any implied warranties of merchantability or fitness for any particular purpose or warranties against infringement of any proprietary rights of a third party.

Silicon Labs will not be liable for any consequential, incidental, or special damages, or any other relief, or for any claim by any third party, arising from your use of this Software.

Definition in file em_leuart.h.

#include "em_device.h"
#include <stdbool.h>

Go to the source code of this file.

Data Structures
struct	LEUART_Init_TypeDef

Macros
#define	LEUART_INIT_DEFAULT

Enumerations
enum	LEUART_Databits_TypeDef { leuartDatabits8 = LEUART_CTRL_DATABITS_EIGHT, leuartDatabits9 = LEUART_CTRL_DATABITS_NINE }

enum	LEUART_Enable_TypeDef { leuartDisable = 0x0, leuartEnableRx = LEUART_CMD_RXEN, leuartEnableTx = LEUART_CMD_TXEN, leuartEnable = (LEUART_CMD_RXEN \| LEUART_CMD_TXEN) }

enum	LEUART_Parity_TypeDef { leuartNoParity = LEUART_CTRL_PARITY_NONE, leuartEvenParity = LEUART_CTRL_PARITY_EVEN, leuartOddParity = LEUART_CTRL_PARITY_ODD }

enum	LEUART_Stopbits_TypeDef { leuartStopbits1 = LEUART_CTRL_STOPBITS_ONE, leuartStopbits2 = LEUART_CTRL_STOPBITS_TWO }

Functions
uint32_t	LEUART_BaudrateCalc (uint32_t refFreq, uint32_t clkdiv)
	Calculate baudrate for LEUART given reference frequency and clock division. More...

uint32_t	LEUART_BaudrateGet (LEUART_TypeDef *leuart)
	Get current baudrate for LEUART. More...

void	LEUART_BaudrateSet (LEUART_TypeDef *leuart, uint32_t refFreq, uint32_t baudrate)
	Configure baudrate (or as close as possible to specified baudrate). More...

void	LEUART_Enable (LEUART_TypeDef *leuart, LEUART_Enable_TypeDef enable)
	Enable/disable LEUART receiver and/or transmitter. More...

void	LEUART_FreezeEnable (LEUART_TypeDef *leuart, bool enable)
	LEUART register synchronization freeze control. More...

void	LEUART_Init (LEUART_TypeDef leuart, LEUART_Init_TypeDef const init)
	Init LEUART. More...

__STATIC_INLINE void	LEUART_IntClear (LEUART_TypeDef *leuart, uint32_t flags)
	Clear one or more pending LEUART interrupts. More...

__STATIC_INLINE void	LEUART_IntDisable (LEUART_TypeDef *leuart, uint32_t flags)
	Disable one or more LEUART interrupts. More...

__STATIC_INLINE void	LEUART_IntEnable (LEUART_TypeDef *leuart, uint32_t flags)
	Enable one or more LEUART interrupts. More...

__STATIC_INLINE uint32_t	LEUART_IntGet (LEUART_TypeDef *leuart)
	Get pending LEUART interrupt flags. More...

__STATIC_INLINE uint32_t	LEUART_IntGetEnabled (LEUART_TypeDef *leuart)
	Get enabled and pending LEUART interrupt flags. Useful for handling more interrupt sources in the same interrupt handler. More...

__STATIC_INLINE void	LEUART_IntSet (LEUART_TypeDef *leuart, uint32_t flags)
	Set one or more pending LEUART interrupts from SW. More...

void	LEUART_Reset (LEUART_TypeDef *leuart)
	Reset LEUART to same state as after a HW reset. More...

uint8_t	LEUART_Rx (LEUART_TypeDef *leuart)
	Receive one 8 bit frame, (or part of 9 bit frame). More...

__STATIC_INLINE uint8_t	LEUART_RxDataGet (LEUART_TypeDef *leuart)
	Receive one 8 bit frame, (or part of a 9 bit frame). More...

__STATIC_INLINE uint16_t	LEUART_RxDataXGet (LEUART_TypeDef *leuart)
	Receive one 8-9 bit frame, with extended information. More...

void	LEUART_RxDmaInEM2Enable (LEUART_TypeDef *leuart, bool enable)
	Enables handling of LEUART RX by DMA in EM2. More...

uint16_t	LEUART_RxExt (LEUART_TypeDef *leuart)
	Receive one 8-9 bit frame, with extended information. More...

__STATIC_INLINE uint32_t	LEUART_StatusGet (LEUART_TypeDef *leuart)
	Get LEUART STATUS register. More...

void	LEUART_Tx (LEUART_TypeDef *leuart, uint8_t data)
	Transmit one frame. More...

void	LEUART_TxDmaInEM2Enable (LEUART_TypeDef *leuart, bool enable)
	Enables handling of LEUART TX by DMA in EM2. More...

void	LEUART_TxExt (LEUART_TypeDef *leuart, uint16_t data)
	Transmit one 8-9 bit frame with extended control. More...

Detailed Description

License

Data Structures

Macros

Enumerations

Functions