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[SOLVED] dsPIC33EP32MC202 rebooting

 
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alan



Joined: 12 Nov 2012
Posts: 357
Location: South Africa

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[SOLVED] dsPIC33EP32MC202 rebooting
PostPosted: Thu May 01, 2014 2:47 am     Reply with quote

Hi All,

CCS 5.019

Anybody got an idea why the following code will restart the MCU. It happens every 30sec.
Code:

#include <33EP32MC202.h>
#device ADC=10

#FUSES NOWDT                    //No Watch Dog Timer
#FUSES NOIESO                   //Internal External Switch Over mode disabled
#FUSES OSCIO                    //OSC2 is general purpose output
#FUSES NOCKSNOFSM                 //Clock Switching is disabled, fail Safe clock monitor is disabled
#FUSES NOWINDIS                 //Watch Dog Timer in Window mode
#FUSES NOJTAG                   //JTAG disabled

#device ICSP=2
//FRC = 7.37MHz so CLK_FREQ should be multiple of this
#use delay(internal=36850000)

#include <stdint.h>

#use fast_io(A)
#use fast_io(B)
#define LED PIN_A3

int16_t VinADC, LEDTime;

void main(void) {

  setup_adc(ADC_CLOCK_DIV_8|ADC_TAD_MUL_16);
  setup_adc_ports(sAN0 | sAN1, VSS_VDD );
  set_adc_channel(0);
  output_a(0);
  output_b(0);
  set_tris_a(0x03);
  set_tris_b(0x0281);

  //Toggle LED when reboot to check for PIC resetting
  //Happens randomly
  output_toggle(LED);
  delay_ms(500);
  output_toggle(LED);
  delay_ms(500);
  output_toggle(LED);
  delay_ms(500);
  output_toggle(LED);
  delay_ms(500);
  output_toggle(LED);
 
  while (TRUE) {
    if (LEDTime++ > 5000) {
      output_toggle(LED);
      LEDTime = 0;
    }
    VinADC = read_adc() - 516;
  }
}



Regards


Last edited by alan on Thu May 01, 2014 3:45 am; edited 1 time in total
alan



Joined: 12 Nov 2012
Posts: 357
Location: South Africa

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PostPosted: Thu May 01, 2014 3:44 am     Reply with quote

I left the ICD-U64 in after programming and somehow the programmer resetted the MCU every 30sec. When unplugged the board does not reset anymore.

Regards
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