spi.h

来自「nrf9e5 nordic公司出品的带有无线发送接收的单片机的bootloade」· C头文件 代码 · 共 21 行

#ifndef SPI_H__200701171450__INCLUDED_
#define SPI_H__200701171450__INCLUDED_

#define EXTERNAL		1
#define INTERNAL		2

/*
SPI_CTRL:
	EXTERNAL	25C320(P1 port)
	INTERNAL	Rf905&ADC&CLK(P2 port)
SPICLK:
	EXTERNAL	1MHz(25C320)
	INTERNAL	16MHz
 */
#define ChoiceSPIModule(choice) \
{SPI_CTRL = (choice == EXTERNAL) ? EXTERNAL : choice;SPICLK = (choice == EXTERNAL) ? 4 : 1;}

#define ActionSPI_CS(action) \                
{(SPI_CTRL == 0x01) ? (EECSN = action) : (RACSN = action);}
extern void SPIReadWrite(BYTE data *buf, BYTE data size);
#endif