uart_arch.c File Reference

linux uart handling More...

#include <BOARD_CONFIG>
#include "mcu_periph/uart.h"
#include <stdint.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "serial_port.h"
#include "rt_priority.h"
#include <pthread.h>
#include <sys/select.h>

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Macros
#define	UART_THREAD_PRIO   11
#define	TRACE(fmt, args...)

Functions
static void	uart_receive_handler (struct uart_periph *periph)
static void *	uart_thread (void *data)
void	uart_arch_init (void)
static void	uart_periph_open (struct uart_periph *periph, uint32_t baud)
void	uart_periph_set_baudrate (struct uart_periph *periph, uint32_t baud)
	Set baudrate. More...
void	uart_periph_set_bits_stop_parity (struct uart_periph *periph, uint8_t bits, uint8_t stop, uint8_t parity)
	Set parity and stop bits. More...
void	uart_put_byte (struct uart_periph *periph, long fd, uint8_t data)
	Uart transmit implementation. More...
uint8_t	uart_getch (struct uart_periph *p)
uint16_t	uart_char_available (struct uart_periph *p)
	Check UART for available chars in receive buffer. More...

Variables
static pthread_mutex_t	uart_mutex = PTHREAD_MUTEX_INITIALIZER

Detailed Description

linux uart handling

Definition in file uart_arch.c.

Macro Definition Documentation

#define TRACE	(		fmt,
			args...
	)

Definition at line 52 of file uart_arch.c.

Referenced by uart_periph_open(), uart_put_byte(), and uart_receive_handler().

#define UART_THREAD_PRIO   11

Definition at line 44 of file uart_arch.c.

Referenced by uart_thread().

Function Documentation

void uart_arch_init

(

void

)

Definition at line 54 of file uart_arch.c.

Referenced by mcu_init().

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uint16_t uart_char_available

(

struct uart_periph *

p

)

Check UART for available chars in receive buffer.

Returns

number of chars in the buffer

Definition at line 323 of file uart_arch.c.

Referenced by airspeed_uADC_event(), dw1000_arduino_event(), esc32_event(), gps_piksi_event(), gps_piksi_read(), high_speed_logger_direct_memory_periodic(), hott_check_serial_data(), hott_common_decode_event(), hott_send_telemetry_data(), imu_gx3_event(), imu_um6_event(), periodic_switch_uart(), ReadGX3Buffer(), sbus_common_decode_event(), tunnel_event(), vn200_event(), and vn200_read_buffer().

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uint8_t uart_getch

(

struct uart_periph *

p

)

Definition at line 314 of file uart_arch.c.

References uart_periph::rx_buf, uart_periph::rx_extract_idx, and UART_RX_BUFFER_SIZE.

static void uart_periph_open ( struct uart_periph *  periph, uint32_t  baud  )

static

Definition at line 217 of file uart_arch.c.

References uart_periph::baudrate, uart_periph::dev, uart_periph::reg_addr, serial_port_close(), serial_port_free(), serial_port_new(), serial_port_open_raw(), and TRACE.

Referenced by uart_periph_set_baudrate().

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void uart_periph_set_baudrate	(	struct uart_periph *	periph,
		uint32_t	baud
	)

Set baudrate.

Definition at line 244 of file uart_arch.c.

References uart_periph::baudrate, uart_periph::reg_addr, serial_port_set_baudrate(), and uart_periph_open().

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void uart_periph_set_bits_stop_parity	(	struct uart_periph *	periph,
		uint8_t	bits,
		uint8_t	stop,
		uint8_t	parity
	)

Set parity and stop bits.

Definition at line 260 of file uart_arch.c.

References uart_periph::reg_addr, and serial_port_set_bits_stop_parity().

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void uart_put_byte	(	struct uart_periph *	periph,
		long	fd,
		uint8_t	data
	)

Uart transmit implementation.

Definition at line 270 of file uart_arch.c.

References SerialPort::fd, uart_periph::reg_addr, and TRACE.

static void uart_receive_handler ( struct uart_periph *  periph )

static

Definition at line 288 of file uart_arch.c.

References fd, SerialPort::fd, TRACE, and UART_RX_BUFFER_SIZE.

Referenced by uart_thread().

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static void * uart_thread ( void *  data )

static

Definition at line 65 of file uart_arch.c.

References fd, get_rt_prio(), uart_receive_handler(), and UART_THREAD_PRIO.

Referenced by uart_arch_init().

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Variable Documentation

pthread_mutex_t uart_mutex = PTHREAD_MUTEX_INITIALIZER

static

Definition at line 49 of file uart_arch.c.