Add option for custom rxPin and txPin with HardwareSerial (e.g. for ESP32) #34
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sync fork
while keeping existing API for SoftwareSerial
cyberman54
changed the title
lewapek
reviewed
Feb 22, 2022
| void begin(int baudRate) { | ||
| serial.begin(baudRate); | ||
| void begin(int baudRate = 9600, uint32_t config = SERIAL_8N1, int pinRx = -1, int pinTx = -1) { | ||
| serial.begin(baudRate, config, pinRx, pinTx); |
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esp32 HardwareSerial is different - and if you try to compile for arduino this would not work
the solution is to put you modified API (with additional params) behind preprocessor directive so it's compiled only in case of esp32
lewapek
reviewed
Feb 22, 2022
| abstractSerial->begin(baudRate); | ||
| } | ||
| void begin(int baudRate = 9600, uint32_t config = SERIAL_8N1, int pinRx = -1, int pinTx = -1) { | ||
| abstractSerial->begin(baudRate, config, pinRx, pinTx); |
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let's keep 2 spaces indentation to be consistent with the rest of the project
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ESP32 boards support remapping of GPIO pins to Serial ports (UART0/1/2).
This PR enhances API in Serial.h with an option to pass custom rxPin and txPin to HardwareSerial. It keeps all usage options of the former API (i.e. for using SoftwareSerial), so this change shouldn't break any code created before this PR.