Esempi in C++ (Cpp) per SPI_CSN_L

Esempio n. 1

File: cc1101.c Progetto: navinars/etz-main

void cc1101_init(void)
{
	SPI_CSN_L();
	Mrfi_DelayUsec(10);
	SPI_CSN_H();
	Mrfi_DelayUsec(40);
	SPI_CSN_L();
	while (SPI_MISO_READ());
	spi_writebyte(SRES);
	while (SPI_MISO_READ());
	SPI_CSN_H();
	
	RfWriteRfSettings();
	
	Mrfi_SpiWriteReg(TI_CCxxx0_IOCFG0, 0x06);
	{
		uint8_t tmp = 0;
		tmp = Mrfi_SpiReadReg(TI_CCxxx0_IOCFG0);
		if(tmp != 0x06)
			while(1);
	}
	Mrfi_SpiCmdStrobe(SIDLE);
	Mrfi_SpiCmdStrobe(SRX);
	
	P2IES |= GPIO0;													// Ñ¡ÔñÉÏÉý/ϽµÑØ
	P2REN |= GPIO0;													// push-up enable
	P2IFG &=~GPIO0;
	P2IE  |= GPIO0;
}

Esempio n. 2

File: NRF24L01.C Progetto: tqdong/flyembedded

/*
*****************************************************************
* 读寄存器
*****************************************************************
*/
uint8_t NRF_Read_Reg(uint8_t reg)
{
	uint8_t reg_val;
	SPI_CSN_L();					 
	SPI_RW(reg);			  
	reg_val = SPI_RW(0);	  /* 读取该寄存器返回数据 */
	SPI_CSN_H();					  /* 禁止该器件 */
    return 	reg_val;
}

Esempio n. 3

File: NRF24L01.C Progetto: tqdong/flyembedded

/*
*****************************************************************
* 写寄存器
*****************************************************************
*/
uint8_t NRF_Write_Reg(uint8_t reg, uint8_t value)
{
	uint8_t status;
	SPI_CSN_L();					  
	status = SPI_RW(reg);  
	SPI_RW(value);		  /* 写数据 */
	SPI_CSN_H();					  /* 禁止该器件 */
    return 	status;
}

Esempio n. 4

File: cc1101.c Progetto: navinars/etz-main

uint8_t spiBurstFifoAccess(uint8_t addrByte, uint8_t * pData, uint8_t len)
{
	SPI_CSN_L();
//	while (SPI_MISO_READ());
	spi_writebyte(addrByte);
	SPI_WriteBuf(pData, len);
	SPI_CSN_H();
	return 1;
}

Esempio n. 5

File: cc1101.c Progetto: navinars/etz-main

uint8_t Mrfi_SpiCmdStrobe(uint8_t cmd)
{
	uint8_t statusByte;
	SPI_CSN_L();
//	while (SPI_MISO_READ());
	statusByte = spi_writebyte(cmd);
	SPI_CSN_H();
	return(statusByte);
}

Esempio n. 6

File: cc1101.c Progetto: navinars/etz-main

uint8_t spiRegAccess(uint8_t addrByte, uint8_t writeValue)
{
	uint8_t readValue;
	SPI_CSN_L();
//	while (SPI_MISO_READ());
	spi_writebyte(addrByte);
	readValue = spi_writebyte(writeValue);
	SPI_CSN_H();
	return(readValue);
}

Esempio n. 7

File: NRF24L01.C Progetto: tqdong/flyembedded

/*
*****************************************************************
*
* 写缓冲区
*
*****************************************************************
*/
uint8_t NRF_Write_Buf(uint8_t reg, uint8_t *pBuf, uint8_t uchars)
{
	uint8_t i;
	uint8_t status;
	SPI_CSN_L();				        /* 选通器件 */
	status = SPI_RW(reg);	/* 写寄存器地址 */
	for(i=0; i<uchars; i++)
	{
		SPI_RW(pBuf[i]);		/* 写数据 */
	}
	SPI_CSN_H();						/* 禁止该器件 */
    return 	status;	
}

Esempio n. 8

File: NRF24L01.C Progetto: tqdong/flyembedded

/*
*****************************************************************
* 读缓冲区
*****************************************************************
*/
uint8_t NRF_Read_Buf(uint8_t reg, uint8_t *pBuf, uint8_t uchars)
{
	uint8_t i;
	uint8_t status;
	SPI_CSN_L();						/* 选通器件 */
	status = SPI_RW(reg);	/* 写寄存器地址 */
	for(i=0; i<uchars; i++)
	{
		pBuf[i] = SPI_RW(0); /* 读取返回数据 */ 	
	}
	SPI_CSN_H();						/* 禁止该器件 */
    return 	status;
}