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)
void	uart_periph_set_bits_stop_parity (struct uart_periph *periph, uint8_t bits, uint8_t stop, uint8_t parity)
void	uart_put_byte (struct uart_periph *periph, long fd, uint8_t data)
uint8_t	uart_getch (struct uart_periph *p)
int	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

TRACE

#define TRACE	(		fmt,
			args...
	)

Definition at line 52 of file uart_arch.c.

UART_THREAD_PRIO

#define UART_THREAD_PRIO   11

Definition at line 44 of file uart_arch.c.

Function Documentation

uart_arch_init()

void uart_arch_init

(

void

)

Definition at line 54 of file uart_arch.c.

References uart_mutex, and uart_thread().

Referenced by mcu_init().

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uart_char_available()

int 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 357 of file uart_arch.c.

References p, uart_mutex, and UART_RX_BUFFER_SIZE.

Referenced by actuators_faulhaber_event(), 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(), jevois_event(), periodic_switch_uart(), sbus_common_decode_event(), spektrum_uart_check(), sts3032_event(), syslink_dl_event(), and tunnel_event().

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uart_getch()

uint8_t uart_getch

(

struct uart_periph *

p

)

Definition at line 348 of file uart_arch.c.

References p, uart_mutex, and UART_RX_BUFFER_SIZE.

Referenced by actuators_faulhaber_event(), airspeed_uADC_event(), dw1000_arduino_event(), esc32_event(), gps_piksi_read(), high_speed_logger_direct_memory_periodic(), hott_check_serial_data(), hott_common_decode_event(), hott_send_telemetry_data(), jevois_event(), periodic_switch_uart(), sbus_common_decode_event(), spektrum_uart_check(), sts3032_event(), syslink_dl_event(), and tunnel_event().

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uart_periph_open()

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

static

Definition at line 253 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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uart_periph_set_baudrate()

void uart_periph_set_baudrate	(	struct uart_periph *	periph,
		uint32_t	baud
	)

Definition at line 280 of file uart_arch.c.

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

Referenced by actuators_sbus_init(), gps_ubx_ucenter_autobaud(), gps_ubx_ucenter_configure(), hott_common_init(), px4flash_event(), sbus_common_init(), and uart_periph_init().

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uart_periph_set_bits_stop_parity()

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

Definition at line 296 of file uart_arch.c.

References uart_periph::reg_addr, and serial_port_set_bits_stop_parity().

Referenced by actuators_sbus_init(), high_speed_logger_direct_memory_init(), hott_common_init(), and sbus_common_init().

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uart_put_byte()

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

Definition at line 306 of file uart_arch.c.

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

Referenced by direct_memory_logger_periodic(), drop_ball(), esc32_periodic(), esc32_send(), faulhaber_send_command(), gps_piksi_write(), hott_send_telemetry_data(), jevois_send_string(), send_buffer_to_uart(), tunnel_event(), uart_periph_init(), and uart_put_buffer().

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uart_receive_handler()

static void uart_receive_handler ( struct uart_periph *  periph )

static

Definition at line 324 of file uart_arch.c.

References SerialPort::fd, fd, uart_periph::reg_addr, uart_periph::rx_buf, uart_periph::rx_extract_idx, uart_periph::rx_insert_idx, TRACE, uart_mutex, and UART_RX_BUFFER_SIZE.

Referenced by uart_thread().

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uart_thread()

static void * uart_thread ( void *  data )

static

Definition at line 68 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

uart_mutex

pthread_mutex_t uart_mutex = PTHREAD_MUTEX_INITIALIZER

static

Definition at line 49 of file uart_arch.c.

Referenced by uart_arch_init(), uart_char_available(), uart_getch(), and uart_receive_handler().