Working Code
Dependencies: BLE_API mbed nRF51822
Fork of BLE_Central_Light_Demo by
Diff: main.cpp
- Revision:
- 2:4b53d13d9851
- Parent:
- 1:2f1203d70643
- Child:
- 3:d6f80e11a7f4
--- a/main.cpp Sun Nov 22 10:28:59 2015 +0000 +++ b/main.cpp Sun Nov 22 11:51:48 2015 +0000 @@ -2,10 +2,13 @@ #include "ble/BLE.h" #include "ble/DiscoveredCharacteristic.h" #include "ble/DiscoveredService.h" +#include "ble_radio_notification.h" BLE ble; Serial pc(USBTX, USBRX); +DiscoveredCharacteristic accelChar; + const uint8_t MPU6050_service_uuid[] = { 0x45,0x35,0x56,0x80,0x0F,0xD8,0x5F,0xB5,0x51,0x48,0x30,0x27,0x06,0x9B,0x3F,0xD9 }; @@ -24,7 +27,7 @@ params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], params->rssi, params->isScanResponse, params->type); - ble.stopScan(); + ble.connect(params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL); } @@ -34,12 +37,31 @@ void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP) { pc.printf("characteristicDiscoveryCallback\r\n"); - ble.gattClient().read(characteristicP->getConnHandle(), characteristicP->getValueHandle(), 0); + + const uint8_t *longUUIDBytes = characteristicP->getUUID().getBaseUUID(); + bool flag = true; + + if (characteristicP->getUUID().shortOrLong() != UUID::UUID_TYPE_SHORT) { + for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++){ + if( longUUIDBytes[i]!=MPU6050_Accel_Characteristic_uuid[i]){ + flag=false; + } + } + if(flag == true) { + accelChar = *characteristicP; + ble.gattClient().read(characteristicP->getConnHandle(), characteristicP->getValueHandle(), 0); + } + } + } void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { pc.printf("GAP_EVT_CONNECTED"); - ble.gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, serviceUUID, accelUUID); + + if (params->role == Gap::CENTRAL) { + ble.gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, serviceUUID, accelUUID); + //ble.stopScan(); + } } void discoveryTerminationCallback(Gap::Handle_t connectionHandle) { @@ -52,10 +74,18 @@ pc.printf("data %x", response->data[i]); } pc.printf("\r\n"); + accelChar.read(); } void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params){//(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) { pc.printf("disconnected\r\n"); + wait(8.0); + ble.gap().startScan(scanCallback); +} + +void your_radio_callback_handler(bool radio_active) +{ + } int main(void) { @@ -64,6 +94,9 @@ pc.printf("start\r\n"); ble.init(); + ble_radio_notification_init(NRF_APP_PRIORITY_HIGH, + NRF_RADIO_NOTIFICATION_DISTANCE_4560US, + your_radio_callback_handler); ble.onConnection(connectionCallback); ble.onDisconnection(disconnectionCallback); ble.gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback);