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further fix for missing CONSOLE_TX/RX in porting guide #1466

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Jul 19, 2021
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further fix for missing CONSOLE_TX/RX in porting guide #1466

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4 changes: 2 additions & 2 deletions docs/api/platform/FileHandle.md
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Expand Up @@ -82,11 +82,11 @@ namespace mbed

Then any program using `printf` on that target sends its output over the SWO, rather than serial.

Because targets can redirect the console in this way, portable applications should not use constructs such as `Serial(USBTX, USBRX)`, assuming that this will access the console. Instead they should use `stdin`/`stdout`/`stderr` or `STDIN_FILENO`/`STDOUT_FILENO`/`STDERR_FILENO`.
Because targets can redirect the console in this way, portable applications should not use constructs such as `Serial(CONSOLE_TX, CONSOLE_RX)`, assuming that this will access the console. Instead they should use `stdin`/`stdout`/`stderr` or `STDIN_FILENO`/`STDOUT_FILENO`/`STDERR_FILENO`.

```
// Don't do:
Serial serial(USBTX, USBRX);
Serial serial(CONSOLE_TX, CONSOLE_RX);
serial.printf("Hello!\r\n");

// Do do:
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