![]() ![]() This maylead to inevitable, but few, bit errors when having heavy data trafficat high baud rates. Please note that due to the fact that the ESP always have other activitiesongoing, there will be some inexactness in interrupt timings. The begin function also has optional input buffer capacityarguments for byte buffer and ISR bit buffer. The same functionality is given as the corresponding AVR library butseveral instances can be active at the same time. At high bitrates (115200bps)send bit timing can be improved at the expense of blocking concurrentfull duplex receives, with the SoftwareSerial::enableIntTx(false) function call. The more time consuming phasedetection and byte assembly are done in the main code.Įxcept at high bitrates, depending on other ongoing activity,interrupts in particular, this software serial adaptersupports full duplex receive and send. This fork implements interrupt service routine best practice.In the receive interrupt, instead of blocking for whole bytesat a time - voiding any near-realtime behavior of the CPU - only levelchange and timestamp are recorded. Implementation of the Arduino software serial library for the ESP8266 / ESP32 User79893 user79893 $endgroup$ Not the answer you're looking for? Browse other questions tagged arduinoserialrf or ask your own question.
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