SPI_Status_struct Struct Reference

#include <USI.h>

---

Detailed Description

Holds SPI status and data.

Definition at line 56 of file USI.h.

Data Fields
unsigned char	Address: 8
	Specifies variable to read/write.
unsigned char	Count: 6
	The number of bytes to read/write.
unsigned char	Data: 8
	The last received byte.
unsigned char	EEPROM: 1
	Read/write from/to EEPROM? (TRUE/FALSE).
unsigned char	Read: 1
	Master wants to read or write? (TRUE/FALSE).
unsigned char	State: 2
	Communication state.
unsigned char	WriteCollision: 1
	Set if SPI_Put() is called before last byte was transferred.(TRUE/FALSE).
unsigned char	XferComplete: 1
	Used by SPI_Put() to determine if last byte was transferred.(TRUE/FALSE).

---

Field Documentation

unsigned char SPI_Status_struct::Address

Specifies variable to read/write.

Definition at line 59 of file USI.h.

Referenced by SPI_Init(), and USI_OVF_ISR().

unsigned char SPI_Status_struct::Count

The number of bytes to read/write.

Definition at line 60 of file USI.h.

Referenced by SPI_Init(), and USI_OVF_ISR().

unsigned char SPI_Status_struct::Data

The last received byte.

Definition at line 58 of file USI.h.

Referenced by SPI_Get(), SPI_Init(), and USI_OVF_ISR().

unsigned char SPI_Status_struct::EEPROM

Read/write from/to EEPROM? (TRUE/FALSE).

Definition at line 69 of file USI.h.

Referenced by SPI_Init(), and USI_OVF_ISR().

unsigned char SPI_Status_struct::Read

Master wants to read or write? (TRUE/FALSE).

Definition at line 66 of file USI.h.

Referenced by SPI_Init(), and USI_OVF_ISR().

unsigned char SPI_Status_struct::State

Communication state.

Note:

The states are enumerated in USI.h.

Definition at line 61 of file USI.h.

Referenced by SPI_Init(), and USI_OVF_ISR().

unsigned char SPI_Status_struct::WriteCollision

Set if SPI_Put() is called before last byte was transferred.(TRUE/FALSE).

Definition at line 75 of file USI.h.

Referenced by SPI_Init(), and SPI_Put().

unsigned char SPI_Status_struct::XferComplete

Used by SPI_Put() to determine if last byte was transferred.(TRUE/FALSE).

Definition at line 72 of file USI.h.

Referenced by SPI_Init(), SPI_Put(), SPI_Wait(), and USI_OVF_ISR().

---