Print an error when serial number is invalid #691
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me-no-dev
reviewed
Oct 3, 2017
cores/esp32/HardwareSerial.cpp
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| @@ -14,6 +14,10 @@ void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, in | |||
| if(_uart) { | |||
| end(); | |||
| } | |||
| if(0 > _uart_nr || _uart_nr > 2) { | |||
| log_e("Serial number is invalid, please use 0, 1 or 2"); | |||
| end(); | |||
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no need for end(). this if can be the first thing in the function
|
and done :) |
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