sio2host.c File Reference

Handles Serial I/O Functionalities For the Host Device.

Copyright (c) 2013-2020 Microchip Technology Inc. and its subsidiaries.

#include "asf.h"
#include "sio2host.h"
#include "conf_sio2host.h"

Functions
	cpu_irq_disable ()
	cpu_irq_enable ()
	if ((SERIAL_RX_BUF_SIZE_HOST-1)==serial_rx_buf_tail)
void	sio2host_deinit (void)
	DeInitializes the Serial IO Module. More...
void	sio2host_disable (void)
	Disables the Serial IO Module. More...
void	sio2host_enable (void)
	Enables the Serial IO Module. More...
uint8_t	sio2host_getchar (void)
	This function performs a blocking character receive functionality. More...
int	sio2host_getchar_nowait (void)
	This function performs a non-blocking character receive functionality. More...
void	sio2host_init (void)
	Initializes the Serial IO Module. More...
void	sio2host_putchar (uint8_t ch)
	This function prints the character to the host. More...
uint8_t	sio2host_rx (uint8_t *data, uint8_t max_length)
	Receives data from UART. More...
uint8_t	sio2host_tx (uint8_t *data, uint8_t length)
	Transmits data via UART. More...
	usart_serial_read_packet (USART_HOST,&temp, 1)

Variables
	else
static uint8_t	serial_rx_buf [SERIAL_RX_BUF_SIZE_HOST] = temp
	Receive buffer The buffer size is defined in sio2host.h. More...
static uint8_t	serial_rx_buf_head
	Receive buffer head. More...
static uint8_t	serial_rx_buf_tail
	Receive buffer tail. More...
static uint8_t	serial_rx_count
	Number of bytes in receive buffer. More...
static usart_serial_options_t	usart_serial_options

cpu_irq_disable

(

)

cpu_irq_enable

(

)

if

(

(SERIAL_RX_BUF_SIZE_HOST-1)

= = serial_rx_buf_tail

)

References serial_rx_buf_tail.

usart_serial_read_packet	(	USART_HOST	,
		&	temp,
		1
	)

else

Initial value:

{
        serial_rx_buf_tail++

serial_rx_buf[serial_rx_buf_tail] = temp

static

Receive buffer The buffer size is defined in sio2host.h.

Referenced by sio2host_rx().

uint8_t serial_rx_buf_head

static

Receive buffer head.

Referenced by sio2host_rx().

uint8_t serial_rx_buf_tail

static

Receive buffer tail.

Referenced by if(), and sio2host_rx().

uint8_t serial_rx_count

static

Number of bytes in receive buffer.

Referenced by sio2host_rx().

usart_serial_options_t usart_serial_options

static

Initial value:

= {
    .baudrate     = USART_HOST_BAUDRATE,
    .charlength   = USART_HOST_CHAR_LENGTH,
    .paritytype   = USART_HOST_PARITY,
    .stopbits     = USART_HOST_STOP_BITS
}

Referenced by sio2host_init().