uart_sam.c File Reference

UART functions.

Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include "conf_example.h"
#include "uart.h"
#include "main.h"
#include "ui.h"
#include "flexcom.h"

Macros
#define	USART_PERIPH_CLK_ENABLE()

Functions
	ISR (USART_HANDLER)
void	uart_close (uint8_t port)
	Closes communication line. More...
void	uart_config (uint8_t port, usb_cdc_line_coding_t *cfg)
	Configures communication line. More...
void	uart_open (uint8_t port)
	Opens communication line. More...
void	uart_rx_notify (uint8_t port)
	Called by CDC interface Callback running when CDC device have received data. More...

Variables
static sam_usart_opt_t	usart_options

#define USART_PERIPH_CLK_ENABLE

(

)

Value:

flexcom_enable(BOARD_FLEXCOM);      \
                                                            flexcom_set_opmode(BOARD_FLEXCOM, FLEXCOM_USART);

Referenced by uart_open().

ISR

(

USART_HANDLER

)

References udi_cdc_getc(), udi_cdc_is_rx_ready(), udi_cdc_is_tx_ready(), udi_cdc_putc(), udi_cdc_signal_framing_error(), udi_cdc_signal_overrun(), ui_com_error(), ui_com_overflow(), ui_com_rx_start(), ui_com_rx_stop(), ui_com_tx_start(), ui_com_tx_stop(), USART_BASE, usart_disable_interrupt(), usart_disable_tx(), usart_enable_rx(), usart_get_status(), usart_read(), usart_reset_rx(), and usart_write().

void uart_close

(

uint8_t

port

)

Closes communication line.

References UNUSED, USART_BASE, USART_DISABLE, and usart_disable_interrupt().

Referenced by main_cdc_disable().

void uart_config	(	uint8_t	port,
		usb_cdc_line_coding_t *	cfg
	)

Configures communication line.

Parameters

cfg	line configuration

References sam_usart_opt_t::baudrate, usb_cdc_line_coding_t::bCharFormat, usb_cdc_line_coding_t::bDataBits, usb_cdc_line_coding_t::bParityType, CDC_PAR_EVEN, CDC_PAR_MARK, CDC_PAR_NONE, CDC_PAR_ODD, CDC_PAR_SPACE, CDC_STOP_BITS_1, CDC_STOP_BITS_1_5, CDC_STOP_BITS_2, sam_usart_opt_t::channel_mode, sam_usart_opt_t::char_length, usb_cdc_line_coding_t::dwDTERate, LE32_TO_CPU, sam_usart_opt_t::parity_type, sam_usart_opt_t::stop_bits, sysclk_get_peripheral_hz(), UNUSED, USART_BASE, usart_disable_interrupt(), usart_enable_interrupt(), usart_enable_rx(), usart_enable_tx(), usart_get_interrupt_mask(), and usart_init_rs232().

void uart_open

(

uint8_t

port

)

Opens communication line.

References sysclk_get_peripheral_hz(), UNUSED, USART_BASE, USART_ENABLE, usart_enable_interrupt(), usart_enable_rx(), usart_enable_tx(), usart_init_rs232(), USART_INT_IRQn, USART_INT_LEVEL, and USART_PERIPH_CLK_ENABLE.

Referenced by main_cdc_enable().

void uart_rx_notify

(

uint8_t

port

)

Called by CDC interface Callback running when CDC device have received data.

References UNUSED, USART_BASE, usart_enable_interrupt(), usart_enable_tx(), and usart_get_interrupt_mask().

sam_usart_opt_t usart_options

static