uartSerializer.c File Reference

Implementation of uart serialize interface.

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

#include <types.h>
#include <uartSerializer.h>
#include "asf.h"
#include "conf_sio2host.h"

Macros
#define	USART_DOUBLE_SPEED   1ul
	Sets USART U2Xn bit value. More...

Typedefs
typedef SercomUsart *	UsartChannel_t

Functions
bool	getByteUsart (uint8_t *p)
	Receive byte on uart. More...
static void	hwInit (void)
	Startup initialization of the usart. More...
void	hwInitUsart0 (void)
	Startup initialization of the usart0. More...
static void	hwUnInit (void)
	Clear startup initialization parameters to start user application. More...
void	hwUnInitUsart0 (void)
	Clear startup initialization parameters to start user application. More...
void	setByteUsart (uint16_t length, uint8_t *data)
	Transmit byte to uart. More...
void	usart_disable0 (void)

Variables
struct usart_module	host_uart_module
UsartChannel_t	usartTty

#define USART_DOUBLE_SPEED   1ul

Sets USART U2Xn bit value.

typedef SercomUsart* UsartChannel_t

bool getByteUsart

(

uint8_t *

p

)

Receive byte on uart.

Parameters

[out]

p

- pointer to byte memory;

Returns

true - there is received byte;
false - there is not received byte;

References host_uart_module, STATUS_OK, and usart_read_wait().

static void hwInit ( void  )

inlinestatic

Startup initialization of the usart.

Referenced by hwInitUsart0().

void hwInitUsart0

(

void

)

Startup initialization of the usart0.

References usart_config::baudrate, HOST_SERCOM_MUX_SETTING, HOST_SERCOM_PINMUX_PAD0, HOST_SERCOM_PINMUX_PAD1, HOST_SERCOM_PINMUX_PAD2, HOST_SERCOM_PINMUX_PAD3, host_uart_module, hwInit(), usart_config::mux_setting, usart_config::pinmux_pad0, usart_config::pinmux_pad1, usart_config::pinmux_pad2, usart_config::pinmux_pad3, STATUS_OK, usart_enable(), usart_enable_transceiver(), usart_get_config_defaults(), USART_HOST, USART_HOST_BAUDRATE, usart_init(), USART_TRANSCEIVER_RX, and USART_TRANSCEIVER_TX.

static void hwUnInit ( void  )

inlinestatic

Clear startup initialization parameters to start user application.

Referenced by hwUnInitUsart0().

void hwUnInitUsart0

(

void

)

Clear startup initialization parameters to start user application.

References host_uart_module, hwUnInit(), usart_disable_transceiver(), usart_reset(), USART_TRANSCEIVER_RX, and USART_TRANSCEIVER_TX.

Referenced by usart_disable0().

void setByteUsart	(	uint16_t	length,
		uint8_t *	data
	)

Transmit byte to uart.

Parameters

[in]	len	- number of bytes to transmit;
[in]	p	- pointer to byte memory;

References host_uart_module, STATUS_OK, and usart_write_wait().

void usart_disable0

(

void

)

References _sercom_get_default_pad(), HOST_SERCOM_PINMUX_PAD0, HOST_SERCOM_PINMUX_PAD1, HOST_SERCOM_PINMUX_PAD2, HOST_SERCOM_PINMUX_PAD3, hwUnInitUsart0(), system_pinmux_config::mux_position, PINMUX_DEFAULT, PINMUX_UNUSED, system_pinmux_get_config_defaults(), system_pinmux_pin_set_config(), and USART_HOST.

Referenced by lowLevelUnInit().

struct usart_module host_uart_module

Referenced by getByteUsart(), hwInitUsart0(), hwUnInitUsart0(), and setByteUsart().

UsartChannel_t usartTty