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rs232 prints rubish
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gaugeguy



Joined: 05 Apr 2011
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PostPosted: Tue Sep 16, 2025 1:17 pm     Reply with quote
That processor uses PPS (peripheral pin select). Please see the sticky on how to use #pin_select
scanan



Joined: 13 Aug 2004
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PostPosted: Wed Sep 17, 2025 12:50 am     Reply with quote
gaugeguy wrote:
That processor uses PPS (peripheral pin select). Please see the sticky on how to use #pin_select


By using
#pin_select U1TX=PIN_C6
#pin_select U1RX=PIN_C7
problem solved

many thanks
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Ttelmah



Joined: 11 Mar 2010
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PostPosted: Thu Sep 18, 2025 10:13 am     Reply with quote
A a comment, this line is wrong:

setup_spi(SPI_SS_DISABLED);

This turns off SPI slave select. It does not disable the SPI
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