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Noritake VFD CU20045SCPB-T23A display with HW USART

 
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The Puma



Joined: 23 Apr 2004
Posts: 227
Location: The Netherlands

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Noritake VFD CU20045SCPB-T23A display with HW USART
PostPosted: Sat May 13, 2006 3:26 pm     Reply with quote
Did anyone has experience how to drive a this vfd display
with HW USART

BR = 19200 BPS
Non Parity

Please give a sample program how to do
The Puma



Joined: 23 Apr 2004
Posts: 227
Location: The Netherlands

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PostPosted: Mon May 15, 2006 12:14 pm     Reply with quote
I have working sofar with this code

Code:

#include <18F4620.h>
#use delay(clock=20000000)
#use rs232(baud=19200,parity=n,xmit=PIN_C6,rcv=PIN_C7,bits=8)
#fuses HS,NOWDT,NOBROWNOUT,NOPUT,NOLVP,DEBUG,NOSTVREN,NOPROTECT

#include <cu20045scpb-t23a.h>

void main() {
   output_low(CU20045SCPB_BUSY);
   printf("TEST");
   delay_ms(1);
   output_high(CU20045SCPB_BUSY);
}


Code:

#define CU20045SCPB_BUSY  PIN_C0

void vfd_init() {
   output_high(CU20045SCPB_BUSY);
   delay_ms(2);
}

void vfd_send_byte(byte n) {
   output_low(CU20045SCPB_BUSY);
   printf(n);
   delay_ms(2);
   output_high(CU20045SCPB_BUSY);
}

void vfd_putc(char c) {
   switch(c) {
      default  : vfd_send_byte(c); break;
   }
}


But if i change to that it did't work anymore
What is the problem
Code:
#include <18F4620.h>
#use delay(clock=20000000)
#use rs232(baud=19200,parity=n,xmit=PIN_C6,rcv=PIN_C7,bits=8)
#fuses HS,NOWDT,NOBROWNOUT,NOPUT,NOLVP,DEBUG,NOSTVREN,NOPROTECT

#include <cu20045scpb-t23a.h>

void main() {
   vfd_init();
   vfd_putc("TEST");
}
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