Beispiel #1
0
/*! \brief Test function.
 *
 *  This function tests the SPI master and slave drivers in polled operation,
 *  with a master (on port C) communicating with a slave (on port D).
 *
 *  Hardware setup:
 *
 *    - Connect PC4 to PD4 (SS)
 *    - Connect PC5 to PD5 (MOSI)
 *    - Connect PC6 to PD6 (MISO)
 *    - Connect PC7 to PD7 (SCK)
 *
 *  The drivers are tested in two phases:
 *
 *  1: Data is transmitted on byte at a time from the master to the slave.
 *     The slave increments the received data and sends it back. The master reads
 *     the data from the slave and verifies that it equals the data sent + 1.
 *
 *  2: Data is transmitted 4 bytes at a time to the slave. As the master sends
 *     a byte to the slave, the preceding byte is sent back to the master.
 *     When all bytes have been sent, it is verified that the last 3 bytes
 *     received at the master, equal the first 3 bytes sent.
 *
 *  The variable, 'success', will be non-zero when the function reaches the
 *  infinite for-loop if the test was successful.
 */
int main(void)
{
	/* Init SS pin as output with wired AND and pull-up. */
	PORTC.DIRSET = PIN4_bm;
	PORTC.PIN4CTRL = PORT_OPC_WIREDANDPULL_gc;

	/* Set SS output to high. (No slave addressed). */
	PORTC.OUTSET = PIN4_bm;

	/* Instantiate pointer to ssPort. */
	PORT_t *ssPort = &PORTC;

	/* Initialize SPI master on port C. */
	SPI_MasterInit(&spiMasterC,
	               &SPIC,
	               &PORTC,
	               false,
	               SPI_MODE_0_gc,
	               SPI_INTLVL_LO_gc,
	               false,
	               SPI_PRESCALER_DIV4_gc);

	/* Initialize SPI slave on port D. */
	SPI_SlaveInit(&spiSlaveD,
	              &SPID,
	              &PORTD,
	              false,
				  SPI_MODE_0_gc,
				  SPI_INTLVL_LO_gc);

	/* PHASE 1: Transceive individual bytes. */

	/* MASTER: Pull SS line low. This has to be done since
	 *         SPI_MasterTransceiveByte() does not control the SS line(s). */
	SPI_MasterSSLow(ssPort, PIN4_bm);

	for(uint8_t i = 0; i < NUM_BYTES; i++) {
		/* MASTER: Transmit data from master to slave. */
		SPI_MasterTransceiveByte(&spiMasterC, masterSendData[i]);

		/* SLAVE: Wait for data to be available. */
		while (SPI_SlaveDataAvailable(&spiSlaveD) == false) {

		}

		/* SLAVE: Get the byte received. */
		uint8_t slaveByte = SPI_SlaveReadByte(&spiSlaveD);

		/* SLAVE: Increment received byte and send back. */
		slaveByte++;
		SPI_SlaveWriteByte(&spiSlaveD, slaveByte);

		/* MASTER: Transmit dummy data to shift data from slave to master. */
		uint8_t masterReceivedByte = SPI_MasterTransceiveByte(&spiMasterC, 0x00);

		/* MASTER: Check if the correct value was received. */
		if (masterReceivedByte != (masterSendData[i] + 1) ) {
			success = false;
		}
	}

	/* MASTER: Release SS to slave. */
	SPI_MasterSSHigh(ssPort, PIN4_bm);

	/* PHASE 2: Transceive data packet. */

	/* Create data packet (SS to slave by PC4). */
	SPI_MasterCreateDataPacket(&dataPacket,
	                           masterSendData,
	                           masterReceivedData,
	                           NUM_BYTES,
	                           &PORTC,
	                           PIN4_bm);

	/* Transceive packet. */
	SPI_MasterTransceivePacket(&spiMasterC, &dataPacket);

	/* Check that correct data was received. Assume success at first. */
	for (uint8_t i = 0; i < NUM_BYTES - 1; i++) {
		if (masterReceivedData[i + 1] != masterSendData[i]) {
			success = false;
		}
	}

	while(true) {
		nop();
	}
}
Beispiel #2
0
int main(void)
{
	unsigned int XXL,YXL,ZXL;
	//unsigned int ADC1,ADC2,ADC3;
//	int16_t ZGY;
	unsigned int XGY,YGY,ZGY;
//	unsigned char XYZ_buffer[100];
	unsigned int timer=0;
	unsigned int timer_old=0;
	unsigned int diff_counter=0;
	unsigned int m_IMU_count=0;
    double m_XXL_sum=0;
    double m_YXL_sum=0;
    double m_ZXL_sum=0;
    double m_XGY_sum=0;
    double m_YGY_sum=0;
    double m_ZGY_sum=0;


	clk_init();
	port_init();
 	USART_INIT();
	
	timer_Init();
	int_init();
//	sei();
	

//	spi_init();


	/* Init SS pin as output with wired AND and pull-up. */
	//120813 portC를 D로 바꿈 SPI인거 같아서  
	PORTD.DIRSET = PIN0_bm;
	PORTD.PIN0CTRL = PORT_OPC_WIREDANDPULL_gc;
	PORTD.DIRSET = PIN1_bm;
	PORTD.PIN1CTRL = PORT_OPC_WIREDANDPULL_gc;

	/* Set SS output to high. (No slave addressed). */
	PORTD.OUTSET = PIN0_bm;
	PORTD.OUTSET = PIN1_bm;

	/* Instantiate pointer to ssPort. */
	PORT_t *ssPort = &PORTD;

	/* Initialize SPI master on port D. */
	SPI_MasterInit(&spiMasterD,
	               &SPID,
	               &PORTD,
	               false,
	               SPI_MODE_3_gc,
	               SPI_INTLVL_OFF_gc,
	               false,
	               SPI_PRESCALER_DIV16_gc);


	/* Use USARTD0 and initialize buffers. */
	USART_InterruptDriver_Initialize(&USARTD0_data, &USARTD0, USART_DREINTLVL_HI_gc);

	/* Enable RXC interrupt. */
	USART_RxdInterruptLevel_Set(USARTD0_data.usart, USART_RXCINTLVL_HI_gc);

	/* Enable PMIC interrupt level low. */
	PMIC.CTRL |= PMIC_HILVLEX_bm;

	/* Enable global interrupts.*/
	sei();

	/* Initialize ACC & Gyro */
//	Init_L3G4200DH();
	Init_LIS3DH();
	
	SPI_MasterCreateDataPacket(&dataPacket,
		                           masterSendData_gyro_init,
		                           GYRO_DATA,
		                           NUM_BYTES,
		                           &PORTD,
		                           PIN1_bm);

		SPI_MasterSSLow(ssPort, PIN1_bm);

		/* Transceive packet. */
		SPI_MasterTransceivePacket(&spiMasterD, &dataPacket);
		/* MASTER: Release SS to slave. */

		SPI_MasterSSHigh(ssPort, PIN1_bm);



//	USART_Rx_Enable(&USARTD0);
//	USART_Tx_Enable(&USARTD0);


	

	double z_deg=0;


	unsigned int oldT=0;
	unsigned int newT=0;	
	unsigned int dT=0;	
	int i;

	
	double x1m=0;
	double x1p=0;
	
	double P1p=1.0;

	double x2m[4]={0,0,0,0};
	double x2p[4]={0,0,0,0};
	
	double P2p[4][4]={{0.1,0,0,0},
				 	  {0,0.1,0,0},
					  {0,0,0.1,0},
			 		  {0,0,0,0.1}};


	double enc_time_cnt=0;

	for(i=0;i<DELAY_COMP_G;i++)
	{
		m_XGY_buf[i]=0.0;
		m_YGY_buf[i]=0.0;
		m_ZGY_buf[i]=0.0;

		m_XXL_buf[i]=0.0;
		m_YXL_buf[i]=0.0;
		m_ZXL_buf[i]=0.0;

		m_enc_buf[i]=0.0;
		m_enc_timebuf[i]=0.0;
		m_T_buf[i]=0.0;

	}

	//char XYZ_buffer_debug[20];
	//sprintf((char*)XYZ_buffer_debug,"Hello W");
	//uartSendTX((unsigned char*)XYZ_buffer_debug);
	while(1) 
	{
		
		
		//if(1)
		if(samplingFlag)
		{
				
		
			
//				adc_start_conversion(&ADCA, ADC_CH0);			
				samplingFlag=0;
				timer=TCC0.CNT;
				diff_counter=timer-timer_old;
				
				
				/* Create data packet (SS to slave by PC0). */
				SPI_MasterCreateDataPacket(&dataPacket,
				                           masterSendData,
				                           ACC_DATA,
				                           NUM_BYTES,
				                           &PORTD,
				                           PIN0_bm);


				/* MASTER: Pull SS line low. This has to be done since
				 *         SPI_MasterTransceiveByte() does not control the SS line(s). */
				SPI_MasterSSLow(ssPort, PIN0_bm);
				_delay_us(5);
				/* Transceive packet. */
				SPI_MasterTransceivePacket(&spiMasterD, &dataPacket);
				/* MASTER: Release SS to slave. */
				_delay_us(5);
				SPI_MasterSSHigh(ssPort, PIN0_bm);
				
				
				/* Create data packet (SS to slave by PC1). */
				SPI_MasterCreateDataPacket(&dataPacket,
				                           masterSendData_gyro,
				                           GYRO_DATA,
				                           NUM_BYTES,
				                           &PORTD,
				                           PIN1_bm);

				/* MASTER: Pull SS line low. This has to be done since
				 *         SPI_MasterTransceiveByte() does not control the SS line(s). */
				SPI_MasterSSLow(ssPort, PIN1_bm);
				/* Transceive packet. */
				_delay_us(5);
				SPI_MasterTransceivePacket(&spiMasterD, &dataPacket);
				/* MASTER: Release SS to slave. */
				_delay_us(5);
				SPI_MasterSSHigh(ssPort, PIN1_bm);







				timer_old=timer;

				T=(double)diff_counter/2000000.0*32.0;

				ACC_DATA[2]=ACC_DATA[2]+0x80;
				ACC_DATA[4]=ACC_DATA[4]+0x80;
				ACC_DATA[6]=ACC_DATA[6]+0x80;
				YXL= (unsigned int)ACC_DATA[2]*256+ACC_DATA[1];
				XXL= (unsigned int)ACC_DATA[4]*256+ACC_DATA[3];
				ZXL= (unsigned int)ACC_DATA[6]*256+ACC_DATA[5];

				GYRO_DATA[2]=GYRO_DATA[2]+0x80;
				GYRO_DATA[4]=GYRO_DATA[4]+0x80;
				GYRO_DATA[6]=GYRO_DATA[6]+0x80;
				XGY= (unsigned int)GYRO_DATA[4]*256+GYRO_DATA[3];
				YGY= (unsigned int)GYRO_DATA[2]*256+GYRO_DATA[1];
				ZGY= (unsigned int)GYRO_DATA[6]*256+GYRO_DATA[5];	
			
			if(m_IMU_count<Tsample)
			{
				m_IMU_count++;
			}
			else if(m_IMU_count<Tsample+Bsample)
			{
				m_XXL_sum+=XXL;
				m_YXL_sum+=YXL;
				m_ZXL_sum+=ZXL;
				//m_XGY_sum+=XGY;
				//m_YGY_sum+=YGY;
				m_ZGY_sum+=ZGY;
				m_IMU_count++;
			}
			else if(m_IMU_count==Tsample+Bsample)
			{
				//SetTimer(25,1,NULL);
				m_biasXXL=(double)m_XXL_sum/(double)Bsample;
				m_biasYXL=(double)m_YXL_sum/(double)Bsample;
				m_biasZXL=(double)m_ZXL_sum/(double)Bsample-GRAVITY_COUNT;
				//m_biasXGY=(double)m_XGY_sum/(double)Bsample;
				//m_biasYGY=(double)m_YGY_sum/(double)Bsample;
				m_biasZGY=(double)m_ZGY_sum/(double)Bsample;

				
				gravityVect[0]=0;
				gravityVect[1]=0;
				gravityVect[2]=SCALE_ZXL*GRAVITY_COUNT;

				m_IMU_count++;

		    }
		    else
			{
				
			
				//encoder_interface(0);
				//encoder_interface(1);
				
				//host_interface();
				


				//unsigned int a=TCC0.CNT;

				//position_estimator(XXL,YXL,ZXL,XGY,YGY,ZGY);
				
				//unsigned int b=TCC0.CNT;

				//TJX=(double)(b-a)/2000000.0*32.0;

				//FF_controller();

				newT=TCC0.CNT;
				dT=newT-oldT;

				
				////////////////////////////////////////////////
				///////////////////////////////////////////////////////
				///////////////////////////////////////////////////////
				///////////////////////////////////////////////////////
				///////////////////////////////////////////////////////
				///////////////////////////////////////////////////////
				///////////////////////////////////////////////////////	    	
				int i,j,k;	

				m_XXL=-SCALE_XXL*((double)XXL-(double)m_biasXXL);
				m_YXL=-SCALE_YXL*((double)YXL-(double)m_biasYXL);
				m_ZXL=SCALE_ZXL*((double)ZXL-(double)m_biasZXL);
				m_XGY=-SCALE_XGY*((double)XGY-(double)m_biasXGY);//-0.001212142/0.00015711
				m_YGY=SCALE_YGY*((double)YGY-(double)m_biasYGY);//+
				//if(ZGY<3000)	m_ZGY=SCALE_ZGY*((double)ZGY-(double)m_biasZGY+65536.0);
				//else 			m_ZGY=SCALE_ZGY*((double)ZGY-(double)m_biasZGY);//+
				m_ZGY=SCALE_ZGY*((double)ZGY-(double)m_biasZGY);
				
				sprintf(XYZ_buffer,"%u %u %u %u %u %u \n",XXL, YXL, ZXL, XGY, YGY, ZGY);
				uartC0SendTX((unsigned char*)XYZ_buffer);
		
			}
		}
	}

	while(true) {
		nop();
	}
}
int main(void)
{
	unsigned int XXL,YXL,ZXL,XGL,YGL,ZGL;
	unsigned char XYZ_buffer[100];
	clk_init();
	port_init();
 	USART_INIT();
//	spi_init();


	/* Init SS pin as output with wired AND and pull-up. */
	PORTC.DIRSET = PIN0_bm;
	PORTC.PIN0CTRL = PORT_OPC_WIREDANDPULL_gc;
	PORTC.DIRSET = PIN1_bm;
	PORTC.PIN1CTRL = PORT_OPC_WIREDANDPULL_gc;

	/* Set SS output to high. (No slave addressed). */
	PORTC.OUTSET = PIN0_bm;
	PORTC.OUTSET = PIN1_bm;

	/* Instantiate pointer to ssPort. */
	PORT_t *ssPort = &PORTC;

	/* Initialize SPI master on port C. */
	SPI_MasterInit(&spiMasterC,
	               &SPIC,
	               &PORTC,
	               false,
	               SPI_MODE_3_gc,
	               SPI_INTLVL_OFF_gc,
	               false,
	               SPI_PRESCALER_DIV16_gc);

	/* Initialize ACC & Gyro */
	Init_L3G4200DH();
	Init_LIS331DLH();

	/* Read Sensor data */

	while(true) {
	/* Create data packet (SS to slave by PC0). */
	SPI_MasterCreateDataPacket(&dataPacket,
	                           masterSendData,
	                           ACC_DATA,
	                           NUM_BYTES,
	                           &PORTC,
	                           PIN0_bm);


	/* MASTER: Pull SS line low. This has to be done since
	 *         SPI_MasterTransceiveByte() does not control the SS line(s). */
	SPI_MasterSSLow(ssPort, PIN0_bm);
	/* Transceive packet. */
	SPI_MasterTransceivePacket(&spiMasterC, &dataPacket);
	/* MASTER: Release SS to slave. */
	SPI_MasterSSHigh(ssPort, PIN0_bm);


	/* Create data packet (SS to slave by PC1). */
	SPI_MasterCreateDataPacket(&dataPacket,
	                           masterSendData,
	                           GYRO_DATA,
	                           NUM_BYTES,
	                           &PORTC,
	                           PIN1_bm);

	/* MASTER: Pull SS line low. This has to be done since
	 *         SPI_MasterTransceiveByte() does not control the SS line(s). */
	SPI_MasterSSLow(ssPort, PIN1_bm);
	/* Transceive packet. */
	SPI_MasterTransceivePacket(&spiMasterC, &dataPacket);
	/* MASTER: Release SS to slave. */
	SPI_MasterSSHigh(ssPort, PIN1_bm);

	  ACC_DATA[2]=ACC_DATA[2]+0x80;
	  ACC_DATA[4]=ACC_DATA[4]+0x80;
	  ACC_DATA[6]=ACC_DATA[6]+0x80;
	  XXL= (unsigned int)ACC_DATA[2]*256+ACC_DATA[1];
	  YXL= (unsigned int)ACC_DATA[4]*256+ACC_DATA[3];
	  ZXL= (unsigned int)ACC_DATA[6]*256+ACC_DATA[5];

	  GYRO_DATA[2]=GYRO_DATA[2]+0x80;
	  GYRO_DATA[4]=GYRO_DATA[4]+0x80;
	  GYRO_DATA[6]=GYRO_DATA[6]+0x80;
	  XGL= (unsigned int)GYRO_DATA[2]*256+GYRO_DATA[1];
	  YGL= (unsigned int)GYRO_DATA[4]*256+GYRO_DATA[3];
	  ZGL= (unsigned int)GYRO_DATA[6]*256+GYRO_DATA[5];

		sprintf((char*)XYZ_buffer,"[XXL%6u][YXL%6u][ZXL%6u][XGY%6u][YGY%6u][ZGY%6u]\r\n",XXL,YXL,ZXL,XGL,YGL,ZGL);
		//uartSendTXbit('3');
		//sprintf((char*)XYZ_buffer,"abcdefgefgh12341\n\r");	
		uartSendTX(XYZ_buffer);
	}
	while(true) {
		nop();
	}
}