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jartur32
Joined: 24 Feb 2014
Posts: 10
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| PIC24FJ1024GB606, six UART support issue CCS v5.091 [Solved] |
 Posted: Sat Sep 05, 2020 3:09 pm |
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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 |
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jeremiah
Joined: 20 Jul 2010
Posts: 1346
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| Posted: Sat Sep 05, 2020 3:41 pm |
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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);
}
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Ttelmah
Joined: 11 Mar 2010
Posts: 19506
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| Posted: Sat Sep 05, 2020 11:40 pm |
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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. |
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jartur32
Joined: 24 Feb 2014
Posts: 10
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| Posted: Sun Sep 06, 2020 6:52 am |
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| 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 don´t see problems, thanks and have a good day |
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