I'm triyng to interface a SIM 900 GPRS module to the IND I/O board using a 1286 board.
I'm trying to use SoftwareSerial library, to comunicate with it, since I'm using also the main serial port as RS-485 interface. The only populated pins in the header that support Interrupt, according to Teensy++(same microcontroller) documentation are the MOSI, MISO and SCLK. But I haven't managed to read any serial data, using the library.
Have anyone manged to use SoftwareSerial with Indio board and the 1286?
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