sd_uart.h File Reference

UART Control. More...

Go to the source code of this file.

Data Structures
struct	sd_uart_dev
	UART device structure. More...

Macros
#define	SD_UART_ERROR_NONE   ((uint32_t)0x00)
#define	SD_UART_ERROR_PARITY   ((uint32_t)0x01)
#define	SD_UART_ERROR_FRAMING   ((uint32_t)0x02)
#define	SD_UART_ERROR_NOISE   ((uint32_t)0x04)
#define	SD_UART_ERROR_OVERRUN   ((uint32_t)0x08)
#define	__SD_UART_ERROR_IT(__HANDLE__)   ((__HANDLE__)->Instance->ISR & ((uint32_t)0x0F))
	Check whether an error interrupt has occured. Checks the 4 LSBs of the interrupt and status register (ISR) to determine if the overrun, noise, framing or parity error flags have been set. More...
#define	__SD_UART_CLEAR_ERROR_IT(__HANDLE__)   ((__HANDLE__)->Instance->ICR = ((uint32_t)0x0F))
	Clear error interrupts Clears the 4 LSBs of the interrupt flag clear register (ICR). More...

Enumerations
enum	sd_uart_err {   SD_UART_SUCCESS = 0x4A0D, SD_UART_NULL_ERROR, SD_UART_LOCKED, SD_UART_TIMEOUT,   SD_UART_ERROR }
	UART error enumeration. More...
enum	sd_uart_state { SD_UART_INITIALIZED = 0x0E60, SD_UART_READY, SD_UART_BUSY, SD_UART_OVERFLOW }
	UART state enumeration. More...

Functions
void	sd_usart1_init (void)
	USART 1 Initialization.
void	sd_usart2_init (void)
	USART 2 Initialization.
void	sd_usart3_init (void)
	USART 3 Initialization.
enum sd_uart_err	sd_uart_rx_init (struct sd_uart_dev *dev, struct sd_cbuf *rx_buff)
	UART Receive Interrupt Initialization Enable and prepare the UART to receive on interrupt. More...
enum sd_uart_err	sd_uart_transmit (struct sd_uart_dev *dev, uint8_t *buf, uint32_t len, uint32_t timeout)
	Transmit Data In Blocking Mode. More...
void	sd_uart_irqhandler (struct sd_uart_dev *dev)
	UART Interrupt Handler Handle interrupt events on the UART peripheral. More...

Detailed Description

UART Control.

Author

R. Bush bush@.nosp@m.krtk.nosp@m.l.com

Version

v1.0

Date

2016 March 28

Copyright

FreeBSD

Copyright (c) 2016, krtkl inc. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

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