* About board: https://github.com/Xinyuan-LilyGO/LilyGO-T-SIM7000G * About Version 20200415: https://github.com/Xinyuan-LilyGO/LilyGO-T-SIM7000G/blob/master ...
Get the number of bytes available for in the client's receive buffer. This returns the combined total of the number of bytes available in the TinyGSM fifo and the modem chip's internal fifo (where ...