cdc/host/example/uart_uc3.c File Reference

UART functions.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include "conf_usb_host.h"
#include "main.h"
#include "ui.h"

Functions
	ISR (usart_interrupt, USART_IRQ_GROUP, 3)
void	uart_close (void)
	Closes communication line. More...
void	uart_config (usb_cdc_line_coding_t *cfg)
	Configures communication line. More...
void	uart_open (void)
	Opens communication line. More...
void	uart_rx_notify (void)
	Callback called by CDC interface when the CDC device has received data. More...

Variables
static usart_options_t	usart_options

ISR	(	usart_interrupt	,
		USART_IRQ_GROUP	,
		3
	)

References uhi_cdc_getc(), uhi_cdc_is_rx_ready(), uhi_cdc_is_tx_ready(), uhi_cdc_putc(), ui_com_error(), ui_com_overflow(), ui_com_rx_start(), ui_com_rx_stop(), ui_com_tx_start(), ui_com_tx_stop(), USART, usart_read_char(), usart_reset_status(), USART_SUCCESS, and usart_write_char().

void uart_close

(

void

)

Closes communication line.

References USART.

Referenced by main_cdc_disable().

void uart_config

(

usb_cdc_line_coding_t *

cfg

)

Configures communication line.

Parameters

cfg	pointer on line configuration descriptor

References usart_options_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, usart_options_t::channelmode, usart_options_t::charlength, usb_cdc_line_coding_t::dwDTERate, LE32_TO_CPU, usart_options_t::paritytype, usart_options_t::stopbits, sysclk_get_pba_hz(), USART, USART_1_5_STOPBITS, USART_1_STOPBIT, USART_2_STOPBITS, USART_EVEN_PARITY, usart_init_rs232(), USART_MARK_PARITY, USART_NO_PARITY, USART_NORMAL_CHMODE, USART_ODD_PARITY, and USART_SPACE_PARITY.

void uart_open

(

void

)

Opens communication line.

References irq_register_handler, sysclk_enable_pba_module(), sysclk_get_pba_hz(), USART, usart_init_rs232(), USART_IRQ, and USART_SUCCESS.

Referenced by main_cdc_enable().

void uart_rx_notify

(

void

)

Callback called by CDC interface when the CDC device has received data.

References USART.

usart_options_t usart_options

static

Initial value:

= {
    .baudrate = 115200,
    .charlength = 8,
    .paritytype = USART_NO_PARITY,
    .stopbits = USART_1_STOPBIT,
    .channelmode = USART_NORMAL_CHMODE,
}

Referenced by init_printk(), and main().