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Displaying ADC sensor data on lcd.

 
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jacqueskleynhans



Joined: 10 Apr 2008
Posts: 109
Location: Cape Town, South Africa

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Displaying ADC sensor data on lcd.
PostPosted: Tue Apr 15, 2008 1:10 pm     Reply with quote
I solved the problem feeling like an idiot. Used 16x2 code instead of 20x4.
But o well...

My new problem arise i am currently building an electronic scale using strain gauges i have already conditioned my signal for a 0kg 0v and full scale 2kg 2v when i try to display the result i get gibberish on the lcd.

Code:
void scale_measure()
{
  uchar CNT;
   
   set_adc_channel(0);

   VBP_VAL = 0xFFFF;
       

   while(1)
   {
  delay_us(20);
   VBP_VAL = Read_ADC(ADC_START_AND_READ);
   VBP_VAL = VBP_VAL * 1000
   

}


To be honest i dont know what im doing...
I have set up

// Configure Port_A for Analog I
Setup_ADC_Ports( AN0_AN1_AN2_AN3_AN4 );


// Setup AD clock
SETUP_ADC( ADC_CLOCK_INTERNAL );

Ps how do i delete an old post!!
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"THE ONLY EASY DAY WAS YESTERDAY"
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Tue Apr 15, 2008 1:27 pm     Reply with quote
Quote:
when i try to display the result i get gibberish on the lcd.

See this post. It shows how to read the ADC value, do some math on it,
and display it on an LCD:
http://www.ccsinfo.com/forum/viewtopic.php?t=32168&start=1

Quote:
Ps how do i delete an old post!!

Edit the post, change the title to Please Delete. The moderator
will delete it later.
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