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Max Roberg
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Adding initial files
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‎631/example-631.c‎

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// 631_COMMAND_LINE_TEST.cpp
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// Ultra-simple 631 command-line communications example
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "typedefs.h"
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#include "serial.h"
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#include "cf_packet.h"
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#include "show_packet.h"
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//============================================================================
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int main(int argc, char* argv[])
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{
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printf("Ultra-simple CFA-631 command-line communications example.\n");
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printf("Crystalfontz America, Inc. http://www.crystalfontz.com\n\n");
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printf("Usage:\n");
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printf("%s PORT BAUD\n",argv[0]);
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printf("PORT is something like \"/dev/ttyS0\" or \"/dev/usb/ttyUSB0\"\n");
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printf("BAUD is 19200 or 115200\n");
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printf("To clear the display, enter \"clear\" as an optional third parameter\n\n");
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//If only 0 or 1 parameter is entered, prompt for the missing parameter(s)
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if(argc < 3)
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{
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printf("\nMISSING A PARAMETER. Enter both PORT and BAUD.\n\n");
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return(0);
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}
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//Check for optional "clear" parameter and set flag if found
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int
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cleardisplay=0;
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if((argc > 3) && (!strcmp(argv[3],"clear"))) cleardisplay=1;
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int
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baud;
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//default the baud to 19200
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if(strcmp(argv[2],"115200"))
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baud=19200;
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else
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baud=115200;
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if(Serial_Init(argv[1],baud))
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{
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printf("Could not open port \"%s\" at \"%d\" baud.\n",argv[1],baud);
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return(1);
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}
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else
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printf("\"%s\" opened at \"%d\" baud.\n\n",argv[1],baud);
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//Outgoing command packets. Either clear the screen
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//or send our line information
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//**********************************************
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if(cleardisplay)
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{
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outgoing_response.command = 6;
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outgoing_response.data_length = 0;
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send_packet();
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}
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else
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{
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//Send line 1 to the 631 using command 31
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outgoing_response.command = 31;
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outgoing_response.data[0]=0; //col
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outgoing_response.data[1]=0; //row
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memcpy(&outgoing_response.data[2],"* >This is line 1< *",20);
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outgoing_response.data_length = 22;
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send_packet();
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//CFA-631 / CFA-633 communications protocol only allows
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//one outstanding packet at a time. Wait for the response
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//packet from the CFA-631 / CFA-633 before sending another
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//packet.
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int
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k;
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int
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timed_out;
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timed_out = 1; //default timed_out is true
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for(k=0;k<=10000;k++)
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if(check_for_packet())
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{
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ShowReceivedPacket();
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timed_out = 0; //set timed_out to false
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break;
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}
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if(timed_out)
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printf("Timed out waiting for a response.\n");
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//Send line 2 to the 631 using command 31
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outgoing_response.command = 31;
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outgoing_response.data_length = 22;
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outgoing_response.data[0]=0; //col
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outgoing_response.data[1]=1; //row
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memcpy(&outgoing_response.data[2],"* >This is line 2< *",20);
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send_packet();
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//CFA-631 / CFA-633 communications protocol only allows
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//one outstanding packet at a time. Wait for the response
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//packet from the CFA-631 / CFA-633 before sending another
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//packet.
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timed_out = 1; //reset timed_out to default false value
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for(k=0;k<=10000;k++)
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if(check_for_packet())
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{
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ShowReceivedPacket();
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timed_out = 0; //set timed_out to false
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break;
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}
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if(timed_out)
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printf("Timed out waiting for a response.\n");
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}
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//**********************************************
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printf("Ctrl-C to exit.\n");
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printf("Updated display, now waiting for packets\n\n");
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while(!cleardisplay)
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{
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usleep(100000); // 1/10 second
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if(check_for_packet())
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ShowReceivedPacket();
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}
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if(cleardisplay) printf("Display Cleared.\n");
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printf("Done.\n\n");
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Uninit_Serial();
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return 0;
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}
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//============================================================================

‎632_634/example-632_634.c‎

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// 632_634_COMMAND_LINE_TEST.cpp
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// Ultra-simple 632 / 634 command-line communications example
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "typedefs.h"
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#include "serial.h"
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//============================================================================
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int main(int argc, char* argv[])
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{
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printf("Ultra-simple CFA-632 / CFA-634 command-line communications example.\n");
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printf("Crystalfontz America, Inc. http://www.crystalfontz.com\n\n");
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printf("Usage:\n");
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printf("%s PORT BAUD\n",argv[0]);
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printf("PORT is something like \"/dev/ttyS0\" or \"/dev/usb/ttyUSB1\"\n");
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printf("BAUD is 1200, 2400, 4800, 9600 or 19200\n");
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printf("To clear the display, enter \"clear\" as an optional third parameter\n\n");
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//If only 0 or 1 parameter is entered, prompt for the missing parameter(s)
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if(argc < 3)
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{
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printf("\nMISSING A PARAMETER. Enter both PORT and BAUD.\n\n");
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return(0);
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}
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//Check for optional "clear" parameter and set flag if found
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int
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cleardisplay=0;
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if((argc > 3) && (!strcmp(argv[3],"clear")))
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cleardisplay=1;
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int
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baud;
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//default the baud to 19200
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if(!strcmp(argv[2],"1200"))
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baud=1200;
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else
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if(!strcmp(argv[2],"2400"))
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baud=2400;
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else
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if(!strcmp(argv[2],"4800"))
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baud=4800;
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else
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if(!strcmp(argv[2],"9600"))
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baud=9600;
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else
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baud=19200;
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if(Serial_Init(argv[1],baud))
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{
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printf("Could not open port \"%s\" at \"%d\" baud.\n",argv[1],baud);
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return(1);
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}
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else
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printf("\"%s\" opened at \"%d\" baud.\n\n",argv[1],baud);
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//We will try to be tricky, and send out data that will show up correctly
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//on both the 634 and 632.
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//First turn off "scroll" and "wrap"
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SendByte(20);
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SendByte(24);
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//Write out the bottom two lines
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//on the 634. The 632 will ignore
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//these lines.
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//Position to line 4, col 1
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SendByte(17);
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SendByte(0);
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SendByte(3);
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if(cleardisplay==1)
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{
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//12345678901234567890
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SendString(" ");
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}
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else
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{
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//12345678901234567890
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SendString("This is Line 4 *****");
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}
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//Position to line 3, col 1
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SendByte(17);
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SendByte(0);
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SendByte(2);
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if(cleardisplay==1)
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{
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//12345678901234567890
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SendString(" ");
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}
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else
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{
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//12345678901234567890
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SendString("This is Line 3 *****");
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}
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//Write out top two lines of the
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//634 and both lines of the 632.
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//Position to line 2, col 1
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SendByte(17);
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SendByte(0);
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SendByte(1);
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if(cleardisplay==1)
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{
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//12345678901234567890
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SendString(" ");
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}
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else
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{
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//12345678901234567890
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SendString("This is Line 2 *****");
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}
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//Position to line 1, col 1
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SendByte(17);
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SendByte(0);
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SendByte(0);
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if(cleardisplay==1)
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{
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//12345678901234567890
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SendString(" ");
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}
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else
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{
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//12345678901234567890
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SendString("This is Line 1 *****");
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}
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if(cleardisplay==1) printf("Display Cleared.\n");
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printf("Done.\n\n");
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Uninit_Serial();
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return 0;
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}
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//============================================================================

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