usart.h File Reference

USART API for the ATmega328P. More...

#include <stdint.h>
#include <Lazuli/common.h>

Go to the source code of this file.

Data Structures
struct	Usart
	Describes the memory mapping for the USART. More...

Macros
#define	UCSR0A   DIRECT(0xc0)
	USART Control and Status Register A.
#define	UCSR0B   DIRECT(0xc1)
	USART Control and Status Register B.
#define	UCSR0C   DIRECT(0xc2)
	USART Control and Status Register C.
#define	UBRROL   DIRECT(0xc4)
	USART Baud Rate Register low
#define	UBRR0H   DIRECT(0xc5)
	USART Baud Rate Register high
#define	UDR0   DIRECT(0xc6)
	USART I/O Data Register

Enumerations
enum	{   UCSR0A_RXC0 = POSITION(7U) ,   UCSR0A_TXC0 = POSITION(6U) ,   UCSR0A_UDRE0 = POSITION(5U) ,   UCSR0A_FE0 = POSITION(4U) ,   UCSR0A_DOR0 = POSITION(3U) ,   UCSR0A_UPE0 = POSITION(2U) ,   UCSR0A_U2X0 = POSITION(1U) ,   UCSR0A_MPCM0 = POSITION(0U) }
	Content of the UCSR0A register. More...
enum	{   UCSR0B_RXCIE0 = POSITION(7U) ,   UCSR0B_TXCIE0 = POSITION(6U) ,   UCSR0B_UDRIE0 = POSITION(5U) ,   UCSR0B_RXEN0 = POSITION(4U) ,   UCSR0B_TXEN0 = POSITION(3U) ,   UCSR0B_UCSZ02 = POSITION(2U) ,   UCSR0B_RXB80 = POSITION(1U) ,   UCSR0B_TXB80 = POSITION(0U) }
	Content of the UCSR0B register. More...
enum	{   UCSR0C_UMSEL01 = POSITION(7U) ,   UCSR0C_UMSEL00 = POSITION(6U) ,   UCSR0C_UPM01 = POSITION(5U) ,   UCSR0C_UPM00 = POSITION(4U) ,   UCSR0C_USBS0 = POSITION(3U) ,   UCSR0C_UCSZ01 = POSITION(2U) ,   UCSR0C_UCSZ00 = POSITION(1U) ,   UCSR0C_UCPOL0 = POSITION(0U) }
	Content of the UCSR0C register. More...

Detailed Description

USART API for the ATmega328P.

Copyright

2017-2020, Remi Andruccioli remi..nosp@m.andr.nosp@m.uccio.nosp@m.li@g.nosp@m.mail..nosp@m.com

Describes the interface of the USART driver for the ATMega328p.

Definition in file usart.h.

Macro Definition Documentation

UCSR0A

#define UCSR0A   DIRECT(0xc0)

USART Control and Status Register A.

Definition at line 29 of file usart.h.

UCSR0B

#define UCSR0B   DIRECT(0xc1)

USART Control and Status Register B.

Definition at line 32 of file usart.h.

UCSR0C

#define UCSR0C   DIRECT(0xc2)

USART Control and Status Register C.

Definition at line 35 of file usart.h.

UBRROL

#define UBRROL   DIRECT(0xc4)

USART Baud Rate Register low

Definition at line 38 of file usart.h.

UBRR0H

#define UBRR0H   DIRECT(0xc5)

USART Baud Rate Register high

Definition at line 41 of file usart.h.

UDR0

#define UDR0   DIRECT(0xc6)

USART I/O Data Register

Definition at line 44 of file usart.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Content of the UCSR0A register.

Enumerator
UCSR0A_RXC0	USART Receive Complete
UCSR0A_TXC0	USART Transmit Complete
UCSR0A_UDRE0	USART Data Register Empty
UCSR0A_FE0	Frame Error
UCSR0A_DOR0	Data OverRun
UCSR0A_UPE0	USART Parity Error
UCSR0A_U2X0	Double USART Transmission Speed
UCSR0A_MPCM0	Multi-processor Communication Mode.

Definition at line 62 of file usart.h.

anonymous enum

anonymous enum

Content of the UCSR0B register.

Enumerator
UCSR0B_RXCIE0	RX Complete Interrupt Enable
UCSR0B_TXCIE0	TX Complete Interrupt Enable
UCSR0B_UDRIE0	Data Register Empty Interrupt Enable.
UCSR0B_RXEN0	Receiver Enable
UCSR0B_TXEN0	Transmitter Enable
UCSR0B_UCSZ02	Character Size 2
UCSR0B_RXB80	Receive Data Bit 8
UCSR0B_TXB80	Transmit Data Bit 8

Definition at line 76 of file usart.h.

anonymous enum

anonymous enum

Content of the UCSR0C register.

Enumerator
UCSR0C_UMSEL01	USART Mode Select 1.
UCSR0C_UMSEL00	USART Mode Select 0.
UCSR0C_UPM01	Parity Mode 1
UCSR0C_UPM00	Parity Mode 0
UCSR0C_USBS0	Stop Bit Select
UCSR0C_UCSZ01	Character size 1
UCSR0C_UCSZ00	Character Size 0
UCSR0C_UCPOL0	Clock Polarity

Definition at line 90 of file usart.h.