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PIC24F RX2 doesn't work(SOLVED)

 
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E_Blue



Joined: 13 Apr 2011
Posts: 333

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PIC24F RX2 doesn't work(SOLVED)
PostPosted: Wed Feb 03, 2021 4:24 pm     Reply with quote

CCS v5.091
MPLAB X IDE 5.15
ICD3
PIC24FJ1024GB606

I'm trying to receive data on pin RG9 at 19200bps but get nothing.
The PIC is connected to 3.3V and the GPS at UART2 send 2.8V data.
I get not even a single interrupt
I can send data correctly but not receive; so I think that the bps are set it correctly.

2.8V is not enough?

This is a reduced code.
Code:

#pin_select U2TX=PIN_D5
#pin_select U2RX=PIN_G9
#use rs232(UART2,stream=GPS,NOINIT)

void main()
{
output_b(0);
   output_c(0);
   output_d(0);
   output_e(0);
   output_f(0);
   output_g(0);
   
    set_tris_b(0b1001001001010110);
    set_tris_c(0b0110000000000000);
    set_tris_d(0b111100000011);//RTS=GSM OUT=D2 RTS=GSM_IN=D1 - RD4=SPI_DO - RD5=SPI_DI - RD6=SPI_CLK - RD7=SPI_CS
    set_tris_e(0b11000011);
    set_tris_f(0b10000000);
    set_tris_g(0b11001000000);
   
    SETUP_PMP(PAR_DISABLE,0);
    SETUP_PSP(PAR_DISABLE,0);
    SETUP_CLC1(CLC_DISABLED);
    SETUP_CLC2(CLC_DISABLED);
    SETUP_CLC3(CLC_DISABLED);
    SETUP_CLC4(CLC_DISABLED);
    SETUP_CAPTURE(1,CAPTURE_OFF);
    SETUP_CAPTURE(2,CAPTURE_OFF);
    SETUP_CAPTURE(3,CAPTURE_OFF);
    SETUP_CAPTURE(4,CAPTURE_OFF);
    SETUP_CAPTURE(5,CAPTURE_OFF);

    setup_uart(GPS_BPS1,GPS);

}


Should I configure something more?
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Electric Blue


Last edited by E_Blue on Wed Feb 03, 2021 4:58 pm; edited 1 time in total
PCM programmer



Joined: 06 Sep 2003
Posts: 21362

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PostPosted: Wed Feb 03, 2021 4:42 pm     Reply with quote

You had the same issue about 1-1/2 years ago and it was solved in this thread:
http://www.ccsinfo.com/forum/viewtopic.php?t=58305
E_Blue



Joined: 13 Apr 2011
Posts: 333

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PostPosted: Wed Feb 03, 2021 4:57 pm     Reply with quote

It seems like I'm running in circles. Confused
I'm the ones that need to kick the same stone twice. Embarassed
Thanks. Rolling Eyes
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Electric Blue
temtronic



Joined: 01 Jul 2010
Posts: 7975
Location: Greensville,Ontario

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PostPosted: Wed Feb 03, 2021 6:19 pm     Reply with quote

re:
Quote:
It seems like I'm running in circles.

Just to let you know....It gets worse the older you get !!!!!
Ttelmah



Joined: 11 Mar 2010
Posts: 16935

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PostPosted: Thu Feb 04, 2021 1:31 am     Reply with quote

and the circles get smaller... Sad
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