Progress of mruby/c library for Wio LTE Arduino
I confirmed basic functionalities of mruby/c library for Wio LTE Arduino.
After implementing a glue code for a RTC module, I can start implement my GPS tracker application by mruby/c.
Latest source code is here.
I think I miss consideration about memory management in C extensions. I need to double check.
Sample 1 : HTTP Get
I’m using a SORACOM Air SIM card with Wio LTE.
sleep(1) Wio.init Wio.power_supply_LTE(true) Wio.turnon_or_reset # this is common setting of SORACOM Air SIM card Wio.activate("soracom.io", "sora", "sora") url = "http://**********.com" response = Wio.http_get(url) puts response while true sleep(1) end
Sample 2 : Read GPS NMEA string via UART
I’m using an u-blox NEO-6M module. This can be connected to any major micro controller via UART line.
Wio.power_supply_grove(true) sleep(1) Serial.begin(9600) sleep(1) while true line = Serial.readline puts line if line != false && line != nil Arduino.delay(10) if line == false || line == nil end
Result: (some strings are modified because of security reason)
$GPRMC,102710.00,A,1111.85586,N,11111.44992,E,0.284,,070118,,,A*79 $GPVTG,,T,,M,0.284,N,0.526,K,A*2C $GPGGA,102710.00,1111.85586,N,11111.44992,E,1,06,2.28,34.3,M,39.3,M,,*60 $GPGSA,A,3,31,26,16,14,27,32,,,,,,,4.40,2.28,3.77*09 $GPGSV,3,1,10,04,63,012,21,14,36,189,17,16,47,284,27,21,26,113,21*75 $GPGSV,3,2,10,23,22,310,,26,66,335,36,27,26,210,16,29,28,043,*7D $GPGSV,3,3,10,31,66,097,14,32,12,173,30*75 $GPGLL,1111.85586,N,11111.44992,E,102710.00,A,A*66