![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
This is a basic program that provides the necessary BLE service to allow communications with the UPAS
Dependencies: BLE_API mbed nRF51822 CronoDot EEPROM NCP5623BMUTBG ADS1115 BME280 Calibration_one MCP40D17 SDFileSystem LSM303 SI1145 STC3100
Fork of BLE_Button by
main.cpp
- Committer:
- jelord
- Date:
- 2015-10-20
- Revision:
- 10:66549fa08986
- Parent:
- 9:0f6951db24f1
- Child:
- 11:1058647c66e8
File content as of revision 10:66549fa08986:
//CODE BY JAKE LORD //ALL RIGHTS RESERVED BY VOLCKENS GROUP, FORT COLLINS CO #include "mbed.h" #include "BLE.h" #include "UPAS_Service.h" BLE ble; DigitalOut led1(LED1); //Use of leds is important for debugging const static char DEVICE_NAME[] = "UPAS"; //Will hold the actual name of the whichever UPAS is being connected to static const uint16_t uuid16_list[] = {UPAS_Service::UPAS_SERVICE_UUID}; //Currently a custom 16-bit representation of 128-bit UUID UPAS_Service *upasServicePtr; void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)//Code called when mbed ble senses a disconnect { ble.gap().startAdvertising(); } void periodicCallback(void) { led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */ } void writeCharCallback(const GattWriteCallbackParams *params) { led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */ // check to see what characteristic was written, by handle if(params->handle == upasServicePtr->writeChar.getValueHandle()) { // toggle LED if only 1 byte is written if(params->len == 1) { led1 = params->data[0]; } // update the readChar with the value of writeChar ble.updateCharacteristicValue(upasServicePtr->readChar.getValueHandle(),params->data,params->len); } } int main(void) { led1 = 1; Ticker ticker; ticker.attach(periodicCallback, 1); uint8_t readValues[57] = {0x31,0x30,0x2F,0x31,0x38,0x2F,0x31,0x35,0x20,0x31,0x32,0x3A,0x30,0x30,0x3A,0x30,0x30}; //dummy array for testing ble.init(); ble.gap().onDisconnection(disconnectionCallback); ble.gattServer().onDataWritten(writeCharCallback); //add writeCharCallback (custom function) to whenever data is being written to device UPAS_Service upasService(ble, false,readValues); //Create a GattService that is defined in UPAS_Service.h upasServicePtr = &upasService; //Create a pointer to the service (Allows advertisement without specifically adding the service /* setup advertising Following lines do the follow: 1:Declare the device as Bluetooth Smart(Low-Energy) 2.Advertise the UPAS service that will send and receive the 57-bits of settable values in the UPAS EEPROM 3.Advertise the name that will be associated with the UPAS 4.Allow the UPAS to advertise unrestricted (this might change) */ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); ble.gap().setAdvertisingInterval(160); /* 160ms. */ ble.gap().startAdvertising(); //Loop keeps device in infinite loop waiting for events to occur while (true) { ble.waitForEvent(); } }