main.cpp

00001 #include "MicroBit.h"
00002 #include "MicroBitSamples.h"
00003 #include "MicroBitUARTService.h"
00004 MicroBit uBit;
00005 MicroBitUARTService *uart;
00006 
00007 int connected = 0;
00008 
00009 void onConnected(MicroBitEvent e)
00010 {
00011     uBit.display.scroll("C");
00012 
00013     connected = 1;
00014 
00015     // my client will send ASCII strings terminated with the colon character
00016     ManagedString eom(":");
00017 
00018     while (connected == 1) {
00019         ManagedString msg = uart->readUntil(eom);
00020         uBit.display.scroll(msg);
00021     }
00022 
00023 }
00024 
00025 void onDisconnected(MicroBitEvent e)
00026 {
00027     uBit.display.scroll("D");
00028     connected = 0;
00029 }
00030 
00031 void onButtonA(MicroBitEvent e)
00032 {
00033     if (connected == 0) {
00034         uBit.display.scroll("NC");
00035         return;
00036     }
00037     uart->send("YES");
00038     uBit.display.scroll("YES");
00039 }
00040 
00041 void onButtonB(MicroBitEvent e)
00042 {
00043     if (connected == 0) {
00044         uBit.display.scroll("NC");
00045         return;
00046     }
00047     uart->send("NO");
00048     uBit.display.scroll("NO");
00049 }
00050 
00051 void onButtonAB(MicroBitEvent e)
00052 {
00053     if (connected == 0) {
00054         uBit.display.scroll("NC");
00055         return;
00056     }
00057     uart->send("GOT IT!!");
00058     uBit.display.scroll("GOT IT!!");
00059 }
00060 
00061 /*
00062 Recommend disabling the DFU and Event services in MicroBitConfig.h since they are not needed here:
00063 
00064 #ifndef MICROBIT_BLE_DFU_SERVICE
00065 #define MICROBIT_BLE_DFU_SERVICE                0
00066 #endif
00067 
00068 #ifndef MICROBIT_BLE_EVENT_SERVICE
00069 #define MICROBIT_BLE_EVENT_SERVICE              0
00070 #endif
00071 */
00072 
00073 int main()
00074 {
00075     // Initialise the micro:bit runtime.
00076     uBit.init();
00077 
00078     // listen for Bluetooth connection state changes
00079     uBit.messageBus.listen(MICROBIT_ID_BLE, MICROBIT_BLE_EVT_CONNECTED, onConnected);
00080     uBit.messageBus.listen(MICROBIT_ID_BLE, MICROBIT_BLE_EVT_DISCONNECTED, onDisconnected);
00081 
00082     // listen for user button interactions
00083     uBit.messageBus.listen(MICROBIT_ID_BUTTON_A, MICROBIT_BUTTON_EVT_CLICK, onButtonA);
00084     uBit.messageBus.listen(MICROBIT_ID_BUTTON_B, MICROBIT_BUTTON_EVT_CLICK, onButtonB);
00085     uBit.messageBus.listen(MICROBIT_ID_BUTTON_AB, MICROBIT_BUTTON_EVT_CLICK, onButtonAB);
00086 
00087 
00088     // Note GATT table size increased from default in MicroBitConfig.h
00089     // #define MICROBIT_SD_GATT_TABLE_SIZE             0x500
00090     uart = new MicroBitUARTService(*uBit.ble, 32, 32); 
00091     uBit.display.scroll("AVM");
00092 
00093     // If main exits, there may still be other fibers running or registered event handlers etc.
00094     // Simply release this fiber, which will mean we enter the scheduler. Worse case, we then
00095     // sit in the idle task forever, in a power efficient sleep.
00096     release_fiber();
00097 }