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Fix Serial RX and add option for FIFO Full Threshold in Serial.begin

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Fixes: https://github.com/espressif/arduino-esp32/issues/5005
This commit is contained in:
me-no-dev
2021-04-08 15:29:53 +03:00
parent 425619dfea
commit 371f382db7
5 changed files with 25 additions and 18 deletions
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6
cores/esp32/HardwareSerial.cpp
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@ -50,7 +50,7 @@ HardwareSerial Serial2(2);
HardwareSerial::HardwareSerial(int uart_nr) : _uart_nr(uart_nr), _uart(NULL) {}
void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, int8_t txPin, bool invert, unsigned long timeout_ms)
void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, int8_t txPin, bool invert, unsigned long timeout_ms, uint8_t rxfifo_full_thrhd)
{
if(0 > _uart_nr || _uart_nr > 2) {
log_e("Serial number is invalid, please use 0, 1 or 2");
@ -78,7 +78,7 @@ void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, in
txPin = TX2;
}
#endif
_uart = uartBegin(_uart_nr, baud ? baud : 9600, config, rxPin, txPin, 256, invert);
_uart = uartBegin(_uart_nr, baud ? baud : 9600, config, rxPin, txPin, 256, invert, rxfifo_full_thrhd);
_tx_pin = txPin;
_rx_pin = rxPin;
@ -94,7 +94,7 @@ void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, in
if(detectedBaudRate) {
delay(100); // Give some time...
_uart = uartBegin(_uart_nr, detectedBaudRate, config, rxPin, txPin, 256, invert);
_uart = uartBegin(_uart_nr, detectedBaudRate, config, rxPin, txPin, 256, invert, rxfifo_full_thrhd);
} else {
log_e("Could not detect baudrate. Serial data at the port must be present within the timeout for detection to be possible");
_uart = NULL;