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PIC24FJ1024GB606, six UART support issue CCS v5.091 [Solved]

 
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jartur32



Joined: 24 Feb 2014
Posts: 10

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PIC24FJ1024GB606, six UART support issue CCS v5.091 [Solved]
PostPosted: Sat Sep 05, 2020 3:09 pm     Reply with quote

Hello all, thanks for any incoming help and have a good day.

I found some issue with the CCS and the PIC24FJ1024GB606, I need to use six UART port at the same time, but the CCS only can handle 4 UART at the same time, I checked the Header of this device and only show U1RX, U2RX, U3RX, U4RX, then I try to also use U5RX and U6RX I got errors in compilation because these are invalid pins ID not exist.

I use CCS v5.091 with MPLAB X ide v5.30 but with the CCS ide also I got the same errors.


Last edited by jartur32 on Sun Sep 06, 2020 6:49 am; edited 2 times in total
jeremiah



Joined: 20 Jul 2010
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PostPosted: Sat Sep 05, 2020 3:41 pm     Reply with quote

I use a similar chip, and on it U5 and U6 are "hard pinned" and not PPS, so you cannot use #pin_select on them. You just specify UART5 and UART6 in the #use rs232() statements and don't bother specifying pins. Maybe yours is similar?

EDIT: CCS accepts this setup so I think that is the case:
Code:

#include <24FJ1024GB606.h>

#pin_select U1RX = PIN_B1
#pin_select U1TX = PIN_B2
#pin_select U2RX = PIN_B9
#pin_select U2TX = PIN_B4
#pin_select U3RX = PIN_B5
#pin_select U3TX = PIN_B6
#pin_select U4RX = PIN_B7
#pin_select U4TX = PIN_B8

#use delay(clock=8MHz)
#use rs232(UART1,errors,baud=9600)
#use rs232(UART2,errors,baud=9600)
#use rs232(UART3,errors,baud=9600)
#use rs232(UART4,errors,baud=9600)
#use rs232(UART5,errors,baud=9600)
#use rs232(UART6,errors,baud=9600)


void main() {
   
   while(TRUE);
}
Ttelmah



Joined: 11 Mar 2010
Posts: 16342

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PostPosted: Sat Sep 05, 2020 11:40 pm     Reply with quote

Spot on.

If you look in the data sheet, you will find that U5 & U6RX together with
U5 & U6TX don't exist in the PPS table, and as Jeremiah says only support
operation to their hardwired pins.
jartur32



Joined: 24 Feb 2014
Posts: 10

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PostPosted: Sun Sep 06, 2020 6:52 am     Reply with quote

Thanks a lot, now I can make tests with the six UART port, I only made some change in the assignation pins and for now, I donĀ“t see problems, thanks and have a good day
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