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Change the pin function id for uart3 (#37)
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@0r31
0r31 authored Jun 23, 2020
1 parent 9cb19ed commit 1d83743
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions cores/arduino/HardwareSerial.h
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Original file line number Diff line number Diff line change
Expand Up @@ -103,8 +103,8 @@ class HardwareSerial : public Stream {
PinCfg.Pinnum = 11;
PINSEL_ConfigPin(&PinCfg);
} else if (UARTx == LPC_UART3) {
// Initialize UART2 pin connect
PinCfg.Funcnum = 1;
// Initialize UART3 pin connect
PinCfg.Funcnum = 2;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Pinnum = 0;
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@ruedli
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@ruedli ruedli commented on 1d83743 Aug 15, 2020 •
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Just stumbled upon this while searching for info, but shouldn't it be the last function? So Funcnum = 3 ? Found this for the LPC1769, used in the BTT SKR 1.4 Turbo board. It uses pins 28 and 29 of port 4.

image

So I will try for the BTT SKR 1.4 Turbo board:

  // Initialize UART3 pin connect
  PinCfg.Funcnum =  3;
  PinCfg.OpenDrain = 0;
  PinCfg.Pinmode = 0;
  PinCfg.Pinnum = 28;
  PinCfg.Portnum = 4;
  PINSEL_ConfigPin(&PinCfg);
  PinCfg.Pinnum = 29;
  PINSEL_ConfigPin(&PinCfg);

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