Header file of UART interface. More...

#include <stdint.h>
#include <stdbool.h>
#include "no_os_lf256fifo.h"

Include dependency graph for no_os_uart.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	no_os_uart_init_param
	Structure holding the parameters for UART initialization. More...

struct	no_os_uart_desc
	Stucture holding the UART descriptor. More...

struct	no_os_uart_platform_ops
	Structure holding UART function pointers that point to the platform specific function. More...

Macros
#define	UART_MAX_NUMBER 10

Enumerations
enum	no_os_uart_size { NO_OS_UART_CS_5, NO_OS_UART_CS_6, NO_OS_UART_CS_7, NO_OS_UART_CS_8, NO_OS_UART_CS_9 }
	UART character size (number of data bits) options. More...

enum	no_os_uart_parity { NO_OS_UART_PAR_NO, NO_OS_UART_PAR_MARK, NO_OS_UART_PAR_SPACE, NO_OS_UART_PAR_ODD, NO_OS_UART_PAR_EVEN }
	UART parity options. More...

enum	no_os_uart_stop { NO_OS_UART_STOP_1_BIT, NO_OS_UART_STOP_2_BIT }
	UART number of stop bits options. More...

Functions
int32_t	no_os_uart_read (struct no_os_uart_desc desc, uint8_t data, uint32_t bytes_number)
	Read data from UART. More...

int32_t	no_os_uart_write (struct no_os_uart_desc desc, const uint8_t data, uint32_t bytes_number)
	Write to UART. More...

int32_t	no_os_uart_read_nonblocking (struct no_os_uart_desc desc, uint8_t data, uint32_t bytes_number)
	Read data from UART non-blocking. More...

int32_t	no_os_uart_write_nonblocking (struct no_os_uart_desc desc, const uint8_t data, uint32_t bytes_number)
	Write to UART non-blocking. More...

int32_t	no_os_uart_init (struct no_os_uart_desc *desc, struct no_os_uart_init_param param)
	Initialize the UART communication peripheral. More...

int32_t	no_os_uart_remove (struct no_os_uart_desc *desc)
	Free the resources allocated by no_os_uart_init(). More...

uint32_t	no_os_uart_get_errors (struct no_os_uart_desc *desc)
	Check if errors occurred on UART. More...

void	no_os_uart_stdio (struct no_os_uart_desc *desc)

Detailed Description

Header file of UART interface.

Author: Cristian Pop (crist.nosp@m.ian..nosp@m.pop@a.nosp@m.nalo.nosp@m.g.com)

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

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of Analog Devices, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Macro Definition Documentation

◆ UART_MAX_NUMBER

#define UART_MAX_NUMBER 10

Enumeration Type Documentation

◆ no_os_uart_parity

enum no_os_uart_parity

UART parity options.

Enumerator
NO_OS_UART_PAR_NO	no parity
NO_OS_UART_PAR_MARK	mark parity
NO_OS_UART_PAR_SPACE	space parity
NO_OS_UART_PAR_ODD	odd parity
NO_OS_UART_PAR_EVEN	even parity

◆ no_os_uart_size

enum no_os_uart_size

UART character size (number of data bits) options.

Enumerator
NO_OS_UART_CS_5	5 data bits
NO_OS_UART_CS_6	6 data bits
NO_OS_UART_CS_7	7 data bits
NO_OS_UART_CS_8	8 data bits
NO_OS_UART_CS_9	9 data bits

◆ no_os_uart_stop

enum no_os_uart_stop

UART number of stop bits options.

Enumerator
NO_OS_UART_STOP_1_BIT	one stop bit
NO_OS_UART_STOP_2_BIT	two stop bits

Function Documentation

◆ no_os_uart_get_errors()

uint32_t no_os_uart_get_errors ( struct no_os_uart_desc * desc )

Check if errors occurred on UART.

Parameters

desc	- The UART descriptor.

Returns: number of errors in case of success, error code otherwise.

Check if errors occurred on UART.

Parameters

desc	- The UART descriptor.

Returns: number of errors.

◆ no_os_uart_init()

int32_t no_os_uart_init	(	struct no_os_uart_desc **	desc,
		struct no_os_uart_init_param *	param
	)

Initialize the UART communication peripheral.

Parameters

desc	- The UART descriptor.
param	- The structure that contains the UART parameters.

Returns: 0 in case of success, error code otherwise.

Parameters

desc	- The UART descriptor.
param	- The structure that contains the UART parameters.

Returns: 0 in case of success, -1 otherwise.

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◆ no_os_uart_read()

int32_t no_os_uart_read	(	struct no_os_uart_desc *	desc,
		uint8_t *	data,
		uint32_t	bytes_number
	)

Read data from UART.

Parameters

desc	- The UART descriptor.
data	- The buffer with the received data.
bytes_number	- Number of bytes to read.

Returns: 0 in case of success, error code otherwise.

Read data from UART.

Parameters

desc	- Instance of UART.
data	- Pointer to buffer containing data.
bytes_number	- Number of bytes to read.

Returns: 0 in case of success, -1 otherwise.

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◆ no_os_uart_read_nonblocking()

int32_t no_os_uart_read_nonblocking	(	struct no_os_uart_desc *	desc,
		uint8_t *	data,
		uint32_t	bytes_number
	)

Read data from UART non-blocking.

Parameters

desc	- The UART descriptor.
data	- The buffer with the received data.
bytes_number	- Number of bytes to read.

Returns: 0 in case of success, error code otherwise.

Read data from UART non-blocking.

Buffer is used until bytes_number bytes are read.

Parameters

desc	Descriptor of the UART device
data	Buffer where data will be read
bytes_number	Number of bytes to be read.

Returns: 0 in case of success, -1 otherwise.

◆ no_os_uart_remove()

int32_t no_os_uart_remove ( struct no_os_uart_desc * desc )

Free the resources allocated by no_os_uart_init().

Parameters

desc	- The UART descriptor.

Returns: 0 in case of success, error code otherwise.

Parameters

desc	- The UART descriptor.

Returns: 0 in case of success, -1 otherwise.

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◆ no_os_uart_stdio()

void no_os_uart_stdio ( struct no_os_uart_desc * desc )

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◆ no_os_uart_write()

int32_t no_os_uart_write	(	struct no_os_uart_desc *	desc,
		const uint8_t *	data,
		uint32_t	bytes_number
	)

Write to UART.

Parameters

desc	- The UART descriptor.
data	- The buffer with the transmitted data.
bytes_number	- Number of bytes to write.

Returns: 0 in case of success, error code otherwise.

Write to UART.

Parameters

desc	- Instance of UART.
data	- Pointer to buffer containing data.
bytes_number	- Number of bytes to read.

Returns: 0 in case of success, -1 otherwise.

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◆ no_os_uart_write_nonblocking()

int32_t no_os_uart_write_nonblocking	(	struct no_os_uart_desc *	desc,
		const uint8_t *	data,
		uint32_t	bytes_number
	)

Write to UART non-blocking.

Parameters

desc	- The UART descriptor.
data	- The buffer with the transmitted data.
bytes_number	- Number of bytes to write.

Returns: 0 in case of success, error code otherwise.

Write to UART non-blocking.

Data from the buffer is sent over the UART, the function returns imediatly.

Parameters

desc	Descriptor of the UART device
data	Buffer where data will be written
bytes_number	Number of bytes to be written.

Returns: 0 in case of success, -1 otherwise.

Classes

Macros

Enumerations

Functions

Detailed Description

Macro Definition Documentation

◆ UART_MAX_NUMBER

Enumeration Type Documentation

◆ no_os_uart_parity

◆ no_os_uart_size

◆ no_os_uart_stop

Function Documentation

◆ no_os_uart_get_errors()

◆ no_os_uart_init()

◆ no_os_uart_read()

◆ no_os_uart_read_nonblocking()

◆ no_os_uart_remove()

◆ no_os_uart_stdio()

◆ no_os_uart_write()

◆ no_os_uart_write_nonblocking()