示例#1
0
//Receive Repeat Response data from Blackfin, store into an array of size response_counter
void Blackfin_Echo(int response_counter) //echos # of characters expected for each command
	{
	int temp;
	int counter=0;

	rprintfInit(uart0SendByte);//change UART to bluetooth

	while(1)
		{
		temp=uart3GetByte();//returns -1 if no data present
		//rprintf("trapped!");

  	    if (temp != -1)//if data received
			{
			rprintf("%c",temp);
			response[counter]=temp & 0x0F;//store values into an array, &0x0F converts ascii to char

			counter++;
	  	    if(counter >= response_counter || temp == '\n')
				{
				rprintf("\r\n\r\n");
				uartFlushReceiveBuffer(3);//flush out receive camera buffer to stop phase shifting
				break;
				}
			}
		}
	}
示例#2
0
//to track green, use low U and low V
//to track blue and green, use low V only
//to see color space:http://en.wikipedia.org/wiki/YUV
void Blackfin_Blob_Detect(int bin_value)
	{
	rprintfInit(uart3SendByte);//change UART to Blackfin
	uartFlushReceiveBuffer(3);//flush out receive camera buffer to stop phase shifting

	rprintf("vb%d",bin_value);//poll for blob of a particular bin

	Blackfin_Echo(99);
	
	//decode array by summing up each part, Y_top, Y_bottom, X_left, X_right;
	X_left=response[6]*100	  + response[7]*10  + response[8];
	X_right=response[10]*100  + response[11]*10 + response[12];
	Y_top=response[14]*100	  + response[15]*10 + response[16];
	Y_bottom=response[18]*100 + response[19]*10 + response[20];
	//long ints blow up in rprintf so divide by 10
	pixels=(response[25]*1000  + response[26]*100 + response[27]*10 + response[28]);

	X_centroid=(X_left+X_right)/2;
	Y_centroid=(Y_top+Y_bottom)/2;

	//test code, output centroid	
	rprintfInit(uart0SendByte);//change UART to bluetooth
	rprintf("X_left=%d, X_right=%d Y_top=%d Y_bottom=%d Pix=%d",X_left,X_right,Y_top,Y_bottom,pixels);
	rprintf(", X=%d Y=%d\r\n\r\n",X_centroid,Y_centroid);

	}
示例#3
0
//sets the range of a color bin (0-9)
//example:	vc0090255000255000255      returns ##vc0
//          012345678901234567890
//sets color bin #0 using Y mean, 255, 0, 255, 0, 255 so
//pixels of higher than average brightness will appear in blob search
void Blackfin_Bin_Range(int bin, int y_min, int y_max, int u_min, int u_max, int v_min, int v_max)
	{
	rprintfInit(uart3SendByte);//change UART to Blackfin
	uartFlushReceiveBuffer(3);//flush out receive camera buffer to stop phase shifting

	rprintf("vc%d",bin);//start command, send bin #
	rprintf("%d%d%d",y_min/100,y_min%100/10,y_min%100%10);
	rprintf("%d%d%d",y_max/100,y_max%100/10,y_max%100%10);
	rprintf("%d%d%d",u_min/100,u_min%100/10,u_min%100%10);
	rprintf("%d%d%d",u_max/100,u_max%100/10,u_max%100%10);
	rprintf("%d%d%d",v_min/100,v_min%100/10,v_min%100%10);
	rprintf("%d%d%d",v_max/100,v_max%100/10,v_max%100%10);

	Blackfin_Echo(6);//maybe 5?

	
	//test code
	rprintfInit(uart0SendByte);//change UART to bluetooth

	rprintf("vc%d",bin);//start command, send bin #
	rprintf("%d%d%d",y_min/100,y_min%100/10,y_min%100%10);
	rprintf("%d%d%d",y_max/100,y_max%100/10,y_max%100%10);
	rprintf("%d%d%d",u_min/100,u_min%100/10,u_min%100%10);
	rprintf("%d%d%d",u_max/100,u_max%100/10,u_max%100%10);
	rprintf("%d%d%d",v_min/100,v_min%100/10,v_min%100%10);
	rprintf("%d%d%d\r\n",v_max/100,v_max%100/10,v_max%100%10);
	}
示例#4
0
/*
I believe 'vm'
command response header is 8 characters - "##vmean ", and then the Y,
U and V are each 4 characters, followed by the \n

Luminence, Chroma Blue, Chroma Red
*/
void Blackfin_YUV_Mean(void)
	{
	//int temp10;

	rprintfInit(uart3SendByte);//change UART to Blackfin
	uartFlushReceiveBuffer(3);//flush out receive camera buffer to stop phase shifting

	rprintf("vm");//Send Blackfin command to find mean

	Blackfin_Echo(19);

	//output array
	/*
	for(temp10=0;temp10<19;temp10++)
		rprintf("%d ",response[temp10]);
	rprintf("\r\n");*/

	//decode array by summing up each part
	Y_mean=response[8]*100  + response[9]*10  + response[10];
	U_mean=response[12]*100 + response[13]*10 + response[14];
	V_mean=response[16]*100 + response[17]*10 + response[18];

	//stay within limits, causes send command error if its out of bounds
	/*if (Y_mean < 0)
		Y_mean=0;
	if (U_mean < 0)
		U_mean=0;
	if (V_mean < 0)
		V_mean=0;
	if (Y_mean > 255)
		Y_mean=255;
	if (U_mean > 255)
		U_mean=255;
	if (V_mean > 255)
		V_mean=255;*/

	//output for testing
	rprintfInit(uart0SendByte);//change UART to bluetooth
	rprintf("Y=%d U=%d V=%d\r\n\r\n",Y_mean, U_mean, V_mean);
	}
示例#5
0
int main(void)
{	
	unsigned char tempSec;
	get_mcusr(); // Disable the watchdog timer
	uartInit(); // Init both UARTs
	uartSetBaudRate(0,BAUD);
	uartSetBaudRate(1,BAUD);
	stdout = stdin = &uart1_str; // Init the stdout and stdin (printf, scanf...) functions
	stderr = &uart0_str; // Init the stderror functions
	i2cInit();
	i2cSetBitrate(100);	
	ds1307_enable(DS1307_I2C_ADDR); // Enable the DS1307 RTC
	// Make a flash on LEDs connected to PORTB when starting / restarting
	DDRB=0xff; // PORTB output
	PORTB=0xff; // All bits on port B = 1 
	_delay_ms(1000); // Wait until XBee modem has started
	PORTB=0x00; // All bits on port B = 0
	// Empty the receive buffer of both UARTs
	uartFlushReceiveBuffer(EthUART);
	uartFlushReceiveBuffer(XBeeUART);
	wdt_enable(WDTO_2S); // Enable watchdog, reset after 2 seconds
	wdt_reset();
	while(1)
	{	
		wdt_reset(); // Reset the watchdog timer		
		tempSec=time.sec;
		if(ds1307_gettime(DS1307_I2C_ADDR, &time))
		{	//if(tempSec!=time.sec)	
			if((time.sec%2==0)&&(tempSec!=time.sec)) // True every 2nd second
			{
				while(!uartReceiveBufferIsEmpty(XBeeUART))
				{
					int i;
					i=0;
					signed char XBeePacket[12];
					// Read data from slave module 
					while (i<13)
					{
						while (uartReceiveBufferIsEmpty(XBeeUART))
							;;
						// Syncronization
						uartReceiveByte(XBeeUART, &XBeePacket[i]);
						if (XBeePacket[i]=='~') // Counter is set to 0 if the current character is '~'
							i=0;
						if (XBeePacket[0]=='~') //Increment if the first character in received data is '~'
							i++;
					}					
					sm[XBeePacket[7]-'0'].temp=XBeePacket[12]-7; // Compensate for heat from components in slave module
					// Check status of slave module and make status ready to send to webserver
					if (XBeePacket[10]=='f')
						sm[XBeePacket[7]-'0'].status=0;
					else if (XBeePacket[10]=='n')
						sm[XBeePacket[7]-'0'].status=1;
					XBeePacketCounter[XBeePacket[7]-'0']=1; // Set packet counter for this slave module to 1
				}
				// Check packet counter of all modules, if false: status=2 is sent to the webserver
				// Webserver will then now which modules that are unconnected
				for (int i=0; i<noOfModules; i++)
				{		
					if (!XBeePacketCounter[i])
						sm[i].status=2;
					XBeePacketCounter[i]=0;
				}
				// Receive data from webserver
				if (checkForEthPacket(ethPacket))
				{
					if (ethPacket[pHour]<24)// edit time 
					{
						time.yr=ethPacket[pYear];
						time.mon=ethPacket[pMonth];
						time.dat=ethPacket[pDate];
						time.hr=ethPacket[pHour];
						time.min=ethPacket[pMin];
						ds1307_settime(DS1307_I2C_ADDR,time);
					}
					int number=0;
					while (number<noOfModules)
					{
						sm_web[number].type=ethPacket[pType+number*pFieldsModules];
						sm_web[number].status=ethPacket[pStatus+number*pFieldsModules];
						sm_web[number].temp=ethPacket[pTemp+number*pFieldsModules];
						switch (sm_web[number].type)
						{
							case 0:
								if (sm_web[number].status==0) // Check if the current slave module is disabled on the website
									sendSlaveModule(number,0); // Send data to slave module: turn off relay
								else
								{
									if ((sm[number].temp)<(sm_web[number].temp-1)) // Measured temperature < wanted temperature - 1 ?
										sendSlaveModule(number,1); // Send data to slave module: turn on relay
									else if ((sm[number].temp)>(sm_web[number].temp+1)) // Measured temperature > wanted temperature + 1 ?
										sendSlaveModule(number,0); // Send data to slave module: turn off relay
									else 
										sendSlaveModule(number,2); // Send data to slave module
								}
								break;
						}
						number++; // next slave module
					}
				}				
				sendEthPacket(time, sm); // send packet with data to webserver
			}
		}
	}				
	return 0;	
}
示例#6
0
int main(void){
	
	uint16_t plen;
	uint16_t dat_p;
	uint8_t cmd;
	
	// set the clock speed to "no pre-scaler" (8MHz with internal osc or
	// full external speed)
	// set the clock prescaler. First write CLKPCE to enable setting of clock the
	// next four instructions.
	CLKPR=(1<<CLKPCE); // change enable
	CLKPR=0; // "no pre-scaler"
	uartInit();
	uartSetBaudRate(9600);
	
	_delay_loop_1(50); // 12ms
	/* enable PD2/INT0, as input */
	DDRD&= ~(1<<DDD2);
	
	
	
	// test button
	cbi(DDRD,PIND6);
	sbi(PORTD,PIND6); // internal pullup resistor on
	_delay_loop_1(50); // 12ms
	// read eeprom values unless, the PD6 pin is connected to GND during bootup
	// PD6 is used to reset to factory default. Note that factory default is
	// not stored back to eeprom.
	if (eeprom_read_byte((uint8_t *)0x0) == 19 && ! bit_is_clear(PIND,PIND6)){
		// ok magic number matches accept values
		eeprom_read_block((uint8_t *)myip,(void *)1,sizeof(myip));
		eeprom_read_block((uint8_t *)monitoredhost,(void *)6,sizeof(monitoredhost));
		pinginterval=eeprom_read_byte((uint8_t *)11);
		sendping=eeprom_read_byte((uint8_t *)12);
		eeprom_read_block((char *)password,(void *)13,sizeof(password));
		password[7]='\0'; // make sure it is terminated, should not be necessary
	}
	
	/*initialize enc28j60*/
	enc28j60Init(mymac);
	enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
	_delay_loop_1(50); // 12ms
	// LED
	/* enable PB1, LED as output */
	//DDRB|= (1<<DDB1);
	/* set output to Vcc, LED off */
	//LEDOFF;
	
	// the transistor on PD7
	DDRD|= (1<<DDD7);
	PORTD &= ~(1<<PIND7);// transistor off
	
	/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
	// LEDB=yellow LEDA=green
	//
	// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
	// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
	enc28j60PhyWrite(PHLCON,0x476);
	_delay_loop_1(50); // 12ms
	
	
	//init the ethernet/ip layer:
	init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
	timer_init();
	_delay_ms(1000);
	uartFlushReceiveBuffer();
	sei(); // interrupt enable
	
	while(1){
		//uartSendByte('a');
		
		//checkForEthPacket(ethPacket);
		stop_timer=2;
		if (checkForEthPacket(ethPacket))
		{
			sendEthPacket(time, sm);
			time.hr = 99;
		}
		stop_timer=0;
		// 			wait_data++;
		// 			if (wait_data>40)
		// 				wait_data=0;
		//_delay_ms(500);
		// spontanious messages must not interfer with
		// web pages
		if (pagelock==0 && enc28j60hasRxPkt()==0){
			if (sendping &&  havemac==0){
				client_arp_whohas(buf,monitoredhost);
				havemac=2;
			}
			if (sendping && havemac==1 && pingnow){
				pingnow=0;
				client_icmp_request(buf,monitoredhost,PINGPATTERN);
				pingtimer++; // otheweise we would call this function again
				hoststatus++;
				if (hoststatus==0xff){
					hoststatus=1; // wrap to 1
				}
			}
		}
		// get the next new packet:
		plen = enc28j60PacketReceive(BUFFER_SIZE, buf);
		
		/*plen will be unequal to zero if there is a valid 
		* packet (without crc error) */
		if(plen==0){
			continue;
		}
		
		// arp is broadcast if unknown but a host may also
		// verify the mac address by sending it to
		// a unicast address.
		if(eth_type_is_arp_and_my_ip(buf,plen)){
			if (eth_type_is_arp_req(buf)){
				make_arp_answer_from_request(buf);
			}
			if (eth_type_is_arp_reply(buf)){
				if (client_store_gw_mac(buf,monitoredhost)){
					havemac=1;
				}
			}
			continue;
		}
		
		// check if ip packets are for us:
		if(eth_type_is_ip_and_my_ip(buf,plen)==0){
			continue;
		}
		
		if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREPLY_V){
			if (buf[ICMP_DATA_P]== PINGPATTERN){
				if (check_ip_message_is_from(buf,monitoredhost)){
					// ping reply is from monitored host and ping was from us
					hoststatus=0;
					hostbackafterreboot=1;
				}
			}
		}
		if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREQUEST_V){
			if (check_ip_message_is_from(buf,monitoredhost)){
				// ping is from monitored host
				hoststatus=0;
				hostbackafterreboot=1;
			}
			// a ping packet, let's send pong
			make_echo_reply_from_request(buf,plen);
			continue;
		}
		// tcp port www start, compare only the lower byte
		if (buf[IP_PROTO_P]==IP_PROTO_TCP_V&&buf[TCP_DST_PORT_H_P]==0&&buf[TCP_DST_PORT_L_P]==MYWWWPORT){
			if (buf[TCP_FLAGS_P] & TCP_FLAGS_SYN_V){
				make_tcp_synack_from_syn(buf);
				// make_tcp_synack_from_syn does already send the syn,ack
				continue;
			}
			if (buf[TCP_FLAGS_P] & TCP_FLAGS_ACK_V){
				init_len_info(buf); // init some data structures
				// we can possibly have no data, just ack:
				dat_p=get_tcp_data_pointer();
				if (dat_p==0){
					if (buf[TCP_FLAGS_P] & TCP_FLAGS_FIN_V){
						// finack, answer with ack
						make_tcp_ack_from_any(buf);
					}
					// just an ack with no data, wait for next packet
					continue;
				}
				if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
					// head, post and other methods:
					//
					// for possible status codes see:
					// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
					plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<h1>200 OK</h1>"));
					goto SENDTCP;
				}
				if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0){
					plen=print_webpage(buf);
					goto SENDTCP;
				}
				cmd=analyse_get_url((char *)&(buf[dat_p+5]));
				pagelock=1; // stop automatic actions until webpage is displayed
				//
				// error, default, will get overwritte in case 
				// something else is selected:
				plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<h1>Error</h1>"));
				plen=fill_tcp_data(buf,plen,errmsg);
				plen=fill_tcp_data_p(buf,plen,PSTR("<br><br><a href=/>-&gt;continue</a>\n"));
				// for possible status codes see:
				// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
				if (cmd==1){
					resethost();
					plen=print_webpage_confirm(buf);
				}
				if (cmd==2){
					store_in_eeprom();
					plen=print_webpage_confirm(buf);
				}
				if (cmd==7){
					store_in_eeprom();
					plen=print_webpage_confirm(buf);
					reinitmac=1;
				}
				// start and stop of wd, this is not store in eeprom
				if (cmd==5){
					pingtimer=1; // wd on 
					plen=print_webpage_confirm(buf);
				}
				if (cmd==4){
					pingtimer=0; // wd off 
					plen=print_webpage_confirm(buf);
				}
				if (cmd==3){
					plen=print_webpage_now(buf);
				}
				if (cmd==6){
					plen=print_webpage_config(buf);
				}
				// testing the temp OK / NOK
				if (cmd==20){
					sm[0].temp= atoi(strbuf);
					plen=print_webpage_confirm(buf);
				}
				if (cmd==21){
					sm[1].temp= atoi(strbuf);
					plen=print_webpage_confirm(buf);
				}
				
				// on / off - slave-modules
				// ON slave-module-1
				if (cmd==34){
					sm[0].status = atoi(strbuf);
					plen=print_webpage_confirmrm1(buf);
				}
				// OFF slave-module-1
				if (cmd==31){
					sm[0].status = atoi(strbuf);
					plen=print_webpage_confirmrm1(buf);
				}
				// ON slave-module-2
				if (cmd==32){
					sm[1].status = atoi(strbuf);
					plen=print_webpage_confirmrm2(buf);
				}
				// OFF slave-module-2
				if (cmd==33){
					sm[1].status = atoi(strbuf);
					plen=print_webpage_confirmrm2(buf);
				}
				
				if (cmd==35){
					plen=print_webpage_confirmclk(buf);
				}
				if (cmd==36){
					plen=print_webpage_confirmclk(buf);
				}
				
				// Room-1
				if (cmd==10){
					plen=print_webpage_room1(buf);
				}
				// ROom-2
				if (cmd==11){
					plen=print_webpage_room2(buf);
				}
				// Clock & date
				if (cmd==12){
					plen=print_webpage_clk(buf);
				}
				
				//
				SENDTCP:
				make_tcp_ack_from_any(buf); // send ack for http get
				make_tcp_ack_with_data(buf,plen); // send data
				continue;
			}
			
		}
		// tcp port www end
		//
		// udp not implemented
	}
	return (0);
}
示例#7
0
文件: Commander.c 项目: erelson/Numa
/* process messages coming from Commander
 *  format = 0xFF RIGHT_H RIGHT_V LEFT_H LEFT_V BUTTONS EXT checksum_cmdr */
int CmdrReadMsgs() {
    //while(LISTEN.available() > 0){
    while(uartReceiveBufferIsEmpty(LISTEN) == FALSE) {
        if(index_cmdr == -1) {        // looking for new packet
            if(uartGetByte(LISTEN) == 0xff) { //read until packet start
                index_cmdr = 0;
                checksum_cmdr = 0;
            }
        } else if(index_cmdr == 0) {
            vals[index_cmdr] = (unsigned char) uartGetByte(LISTEN);
            if(vals[index_cmdr] != 0xff) {
                checksum_cmdr += (int) vals[index_cmdr];
                index_cmdr++;
            }
        } else {
            vals[index_cmdr] = (unsigned char) uartGetByte(LISTEN); //loops will sequentially read bytes and store them here
            checksum_cmdr += (int) vals[index_cmdr];
            index_cmdr++;

            // DEBUG: if all packets go through, shoudl see x2 through x7 when Commander input is being received.
            // rprintf("x%u ",index_cmdr);

            if(index_cmdr == 7) { // packet complete
                if(checksum_cmdr%256 != 255) {
                    // packet error!
                    rprintf("\npacket error!\n");
                    index_cmdr = -1;
                    return 0;
                } else {
                    char buttonval = vals[4];
                    short dowalking = zTRUE;

                    //rprintf("\t%d\t",(int)buttonval);
                    //Turn gait...
                    if((buttonval&0x40) > 0) { //if(buttonval & BUT_LT){
                        if(PRINT_DEBUG_COMMANDER) {
                            rprintf("lft\t");
                        }
                        turnleft = zTRUE;
                        turnright = zFALSE;

                        dowalking = zFALSE;
                    }
                    else if((buttonval&0x80) > 0) { //if(buttonval & BUT_RT){
                        if(PRINT_DEBUG_COMMANDER) {
                            rprintf("rgt\t");
                        }
                        turnright = zTRUE;
                        turnleft = zFALSE;

                        dowalking = zFALSE;
                    }
                    else { // Do nothing
                        turnright = zFALSE;
                        turnleft = zFALSE;
                        turn = zFALSE;
                    }
                    if((buttonval&BUT_L6) > 0) {
                        gunbutton = zTRUE;
                        if(PRINT_DEBUG_COMMANDER) {
                            rprintf("guns\t");
                        }
                    }
                    else {
                        gunbutton = zFALSE;
                    }

                    if((buttonval&BUT_R3) > 0) {
                        panicbutton = zTRUE;
                        if(PRINT_DEBUG_COMMANDER) {
                            rprintf("panic\t");
                        }
                    }
                    else {
                        panicbutton = zFALSE;
                    }

                    if((buttonval&BUT_L4) > 0) {
                        infobutton = zTRUE;
                        if(PRINT_DEBUG_COMMANDER) {
                            rprintf("info\t");
                        }
                    }
                    else {
                        infobutton = zFALSE;
                    }

                    if((buttonval&BUT_R2) > 0) {
                        pan_pos = PAN_CENTER;
                        tilt_pos = TILT_CENTER;
                        if(PRINT_DEBUG_COMMANDER) {
                            rprintf("look\t");
                        }
                    }
                    // else{infobutton = zFALSE;}

                    if((buttonval&BUT_R1) > 0) {
                        agitbutton = zTRUE;
                        if(PRINT_DEBUG_COMMANDER) {
                            rprintf("agit\t");
                        }
                    }
                    else {
                        agitbutton = zFALSE;
                    }

                    if((southpaw&0x01) > 0) {    // SouthPaw
                        walkV = (signed char)( (int)vals[0]-128 );
                        walkH = (signed char)( (int)vals[1]-128 );
                        // lookV = (signed char)( (int)vals[2]-128 );
                        // lookH = (signed char)( (int)vals[3]-128 );
                    } else if (dowalking) {
                        // vals - 128 gives look a vlaue in the range from -128 to 127?
                        lookV = (signed char)( (int)vals[0]-128 );
                        lookH = (signed char)( (int)vals[1]-128 );
                        // if( (int)vals[0] >= 128){
                        // tilt_pos = interpolateU( (int)vals[0],128,128+102,TILT_CENTER,servo52Max);
                        // }
                        // else {
                        // tilt_pos = interpolateU( (int)vals[0],128-102,128,servo52Min,TILT_CENTER);
                        // }

                        int pan_add = (-(float)lookH)/17;
                        int tilt_add = (-(float)lookV)/25;

                        pan_pos = CLAMP(pan_pos + pan_add, servo51Min, servo51Max);
                        tilt_pos = CLAMP(tilt_pos + tilt_add, servo52Min, servo52Max);

                        //Default handling in original Commander.c - sets to range of -127 to 127 or so...
                        walkV = (signed char)( (int)vals[2]-128 );
                        walkH = (signed char)( (int)vals[3]-128 );
                    }
                    // pan = (vals[0]<<8) + vals[1];
                    // tilt = (vals[2]<<8) + vals[3];
                    // buttons = vals[4];
                    // ext = vals[5];
                }
                index_cmdr = -1;
                //LISTEN.flush(); //flush after reading an entire packet... why?
                uartFlushReceiveBuffer(LISTEN);
                return 1;
            }
        }
    }
    return 0;
}
示例#8
0
文件: Axon.c 项目: abarbu/axon
void control(void)
{
  reset_timer5();
  uartFlushReceiveBuffer(1);

  a2dSetReference(ADC_REFERENCE_256V);
  delay_us(100);

  PORT_OFF(PORTB,7);

  while(1) {
    char read = uart1GetByte();
    if(read == 'U') { //Rangefinder only for the Hand! We only have 3 uart ports!
      uart0SendByte(0x22); //sends 4 bytes with the command to read distance (0x22)
      uart0SendByte(0x00); uart0SendByte(0x00);uart0SendByte(0x22);delay_us(50);
      uart0GetByte(); //we don't care about this byte
      rprintf("%d\r\n", 255*uart0GetByte() + uart0GetByte());
      uart0GetByte(); //we don't care about this byte
    } else if(read == 'L') {
      rprintf("%d\r\n", 255 - a2dConvert8bit(0));
    } else if(read == 'R') {
      rprintf("%d\r\n", 255 - a2dConvert8bit(1));
    } else if(read == 'D') {
      int buff='#';
      uart2SendByte('#'); uart2SendByte('o'); uart2SendByte('s');
      uart2SendByte('#'); uart2SendByte('f');
      delay_ms(60); // Do not change this delay or you'll get in trouble! 
      while(1) {
	buff = uart2GetByte();
	if(buff==10 || buff==13 || buff==-1) {
	  uart1SendByte('\r');
	  uart1SendByte('\n');
	  break;
	}
	uart1SendByte(buff);
      }
      while((buff=uart2GetByte()) != -1);
    }  else if(read == 'E') {
      int buff='#';
      uart3SendByte('#'); uart3SendByte('o'); uart3SendByte('s');
      uart3SendByte('#'); uart3SendByte('f');
      delay_ms(60); // Do not change this delay or you'll get in trouble! 
      while(1) {
	buff = uart3GetByte();
	if(buff==10 || buff==13 || buff==-1) {
	  uart1SendByte('\r');
	  uart1SendByte('\n');
	  break;
	}
	uart1SendByte(buff);
      }
      while((buff=uart3GetByte()) != -1);
    } else if(read == 'M') {
      int buff='#';
      uart2SendByte('#'); uart2SendByte('o'); uart2SendByte('t');
      uart2SendByte('#'); uart2SendByte('f');
      delay_ms(60); // Do not change this delay or you'll get in trouble! 
      while(1) {
	buff = uart2GetByte();
	if(buff==10 || buff==13 || buff==-1) {
	  uart1SendByte('\r');
	  uart1SendByte('\n');
	  break;
	}
	uart1SendByte(buff);
      }
      while((buff=uart2GetByte()) != -1);
    } else if(read == 'N') {
      int buff='#';
      uart3SendByte('#'); uart3SendByte('o'); uart3SendByte('t');
      uart3SendByte('#'); uart3SendByte('f');
      delay_ms(60); // Do not change this delay or you'll get in trouble! 
      while(1) {
	buff = uart3GetByte();
	if(buff==10 || buff==13 || buff==-1) {
	  uart1SendByte('\r');
	  uart1SendByte('\n');
	  break;
	}
	uart1SendByte(buff);
      }
      while((buff=uart3GetByte()) != -1);
    } else if(read == 'P') {
      PORT_ON(PORTB,6);
    } else if(read == 'p') {
      PORT_OFF(PORTB,6);
    } else if(read == 'Q') {
      PORT_ON(PORTB,7);
    } else if(read == 'q') {
      PORT_OFF(PORTB,7);
    } else if(read == 'X') {
      PORT_ON(PORTB,4);
    } else if(read == 'x') {
      PORT_OFF(PORTB,4);
    } else if(read == 'Y') {
      PORT_ON(PORTB,5);
    } else if(read == 'y') {
      PORT_OFF(PORTB,5);
    } 
    delay_us(50);
  }
}