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Fixes UART pin setting + adds CTS/RTS HW Flow Control (#6272)

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* fixes setPins and begin to keep rx/tx unmodified

* adds Hardware Flow Control mode and CTS/RTS pin setting

* adds Hardware Flow Control mode and CTS/RTS pin setting

* adds Hardware Flow Control mode and CTS/RTS pin setting

* adds Hardware Flow Control mode and CTS/RTS pin setting

* Code Review
This commit is contained in:
Rodrigo Garcia
2022-02-16 22:28:46 -03:00
committed by GitHub
parent 01303b700d
commit 50e9772ecf
4 changed files with 75 additions and 30 deletions
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8
cores/esp32/HardwareSerial.h
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@ -107,7 +107,13 @@ public:
void setDebugOutput(bool);
void setRxInvert(bool);
void setPins(uint8_t rxPin, uint8_t txPin);
// Negative Pin Number will keep it unmodified, thus this function can set individual pins
// SetPins shall be called after Serial begin()
void setPins(int8_t rxPin, int8_t txPin, int8_t ctsPin = -1, int8_t rtsPin = -1);
// Enables or disables Hardware Flow Control using RTS and/or CTS pins (must use setAllPins() before)
void setHwFlowCtrlMode(uint8_t mode = HW_FLOWCTRL_CTS_RTS, uint8_t threshold = 64); // 64 is half FIFO Length
size_t setRxBufferSize(size_t new_size);
protected: