common/services/usb/class/cdc/device/example/uart.h File Reference

UART functions.

Copyright (c) 2009-2018 Microchip Technology Inc. and its subsidiaries.

Functions
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...

void uart_close

(

uint8_t

port

)

Closes communication line.

References UNUSED, 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, get_usart(), LE32_TO_CPU, sam_usart_opt_t::parity_type, sam_usart_opt_t::stop_bits, sysclk_get_peripheral_bus_hz(), sysclk_get_peripheral_hz(), UNUSED, 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 get_usart(), pmc_enable_periph_clk(), sysclk_get_peripheral_bus_hz(), sysclk_get_peripheral_hz(), UNUSED, usart_enable_interrupt(), usart_enable_rx(), usart_enable_tx(), usart_init_rs232(), 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 get_usart(), UNUSED, usart_enable_interrupt(), usart_enable_tx(), and usart_get_interrupt_mask().