main.cpp

00001 #include "mbed.h"
00002 #include "ble/BLE.h"
00003 #include "ble/Gap.h"
00004 #include "ble/services/BatteryService.h"
00005 #include "ble/services/DeviceInformationService.h"
00006 
00007 #define BUTTON_SERVICE_UUID_0              0x0000    // Custom SERVICE_UUID 
00008 #define BUTTON_SERVICE_UUID_1              0x0000    // Custom SERVICE_UUID 
00009 #define BUTTON_SERVICE_UUID_2              0x0000    // Custom SERVICE_UUID 
00010 #define BUTTON_SERVICE_UUID_3              0x0000    // Custom SERVICE_UUID 
00011 #define BUTTON_SERVICE_UUID_4              0x0000    // Custom SERVICE_UUID 
00012 #define BUTTON_SERVICE_UUID_5              0x0000    // Custom SERVICE_UUID 
00013 #define BUTTON_SERVICE_UUID_6              0x0000    // Custom SERVICE_UUID 
00014 #define BUTTON_SERVICE_UUID_7              0xFFF0    // Custom SERVICE_UUID 
00015 
00016 #define BUTTON_STATE_CHARACTERISTIC_UUID_0 0x0000    // Custom CHARACTERISTIC_UUID
00017 #define BUTTON_STATE_CHARACTERISTIC_UUID_1 0x0000    // Custom CHARACTERISTIC_UUID
00018 #define BUTTON_STATE_CHARACTERISTIC_UUID_2 0x0000    // Custom CHARACTERISTIC_UUID
00019 #define BUTTON_STATE_CHARACTERISTIC_UUID_3 0x0000    // Custom CHARACTERISTIC_UUID
00020 #define BUTTON_STATE_CHARACTERISTIC_UUID_4 0x0000    // Custom CHARACTERISTIC_UUID
00021 #define BUTTON_STATE_CHARACTERISTIC_UUID_5 0x0000    // Custom CHARACTERISTIC_UUID
00022 #define BUTTON_STATE_CHARACTERISTIC_UUID_6 0x0000    // Custom CHARACTERISTIC_UUID
00023 #define BUTTON_STATE_CHARACTERISTIC_UUID_7 0xFFF1    // Custom CHARACTERISTIC_UUID
00024 
00025 BLE  ble;
00026 
00027 DigitalOut  led1(LED1);
00028 InterruptIn int_external(PC_13);
00029 DigitalIn  Push_Button(PC_13,PullNone);
00030 
00031 static const  char    DEVICE_NAME[] = "CESA BLE 4.0 Button";
00032 //static const uint16_t service_uuid16_list[] = {BUTTON_SERVICE_UUID_7};
00033 static const uint16_t service_uuid128_list[] = {BUTTON_SERVICE_UUID_7};
00034 static const uint16_t characteristic_uuid128_list[] = {BUTTON_STATE_CHARACTERISTIC_UUID_7};
00035                                                
00036 bool buttonPressed = false;
00037 
00038 //buttonState is accessible to button callbacks(CHARACTERISTIC_UUID)
00039 ReadOnlyGattCharacteristic<bool> buttonState((uint8_t *)characteristic_uuid128_list,&buttonPressed,GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
00040 
00041 
00042 void buttonPressedCallback(void)
00043 {
00044     buttonPressed = true;
00045     ble.updateCharacteristicValue(buttonState.getValueHandle(),(uint8_t *)&buttonPressed, sizeof(bool));
00046 }
00047 
00048 void buttonReleasedCallback(void)
00049 {
00050     buttonPressed = false;
00051     ble.updateCharacteristicValue(buttonState.getValueHandle(),(uint8_t *)&buttonPressed, sizeof(bool));
00052 }
00053 
00054 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
00055 {
00056     ble.startAdvertising();
00057 }
00058 
00059 void periodicCallback(void)
00060 {
00061     //led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */
00062 }
00063 
00064 int main(void)
00065 {
00066     led1 = 1;
00067     Ticker ticker;
00068     ticker.attach(periodicCallback, 1);
00069     int_external.fall(&buttonPressedCallback);
00070     int_external.rise(&buttonReleasedCallback);
00071 
00072     ble.init();
00073     ble.onDisconnection(disconnectionCallback);
00074 
00075     GattCharacteristic *charTable[] = {&buttonState};
00076     GattService  buttonService((uint8_t *)service_uuid128_list, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
00077     ble.addService(buttonService);
00078 
00079     /* setup advertising */
00080     ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
00081     //ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS,(uint8_t *)service_uuid16_list, sizeof(service_uuid16_list));
00082     ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,(uint8_t *)service_uuid128_list, sizeof(service_uuid128_list));
00083     ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME,(uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
00084     ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
00085     
00086     ble.setAdvertisingInterval(100); /* 100 ms. */
00087     ble.startAdvertising();
00088 
00089     while (true) 
00090     {
00091         ble.waitForEvent();
00092     }
00093 }