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QEI on DSPIC30F4011. Code not working!!!

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cyberian15

Joined: 18 Jul 2013
Posts: 1

QEI on DSPIC30F4011. Code not working!!!

Posted: Thu Jul 18, 2013 3:25 pm

I am trying to use the QEI module of DSPIC30F4011 to read the encoder counts. I am using MPLAB IDE to monitor the internal register POSCNT. On applying the sequence on QEA and QEB, the POSCNT is not changing at all. I am compiling the following code.

Code:

#include <30F4011.h>
#fuses FRC_PLL16,NOWDT,PROTECT,PUT64
#use delay(clock=120000000)

void main(void)
{
int16 value;
set_tris_b(0xFFFF);
setup_adc_ports(no_analogs);
setup_qei(QEI_MODE_X2);
qei_set_count(0b1);
value=0;

while(1)
{
value=qei_get_count();
delay_us(10);
}

}

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