BLe Central Role. It can connect to a number of peripheral that use the same uart ble services
Dependencies: BLE_API mbed nRF51822
main.cpp@0:83b5c6efd8d7, 2015-11-21 (annotated)
- Committer:
- mbed_tw_hoehoe
- Date:
- Sat Nov 21 11:13:58 2015 +0000
- Revision:
- 0:83b5c6efd8d7
- Child:
- 1:2f1203d70643
BLE Central Test
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 1 | #include "mbed.h" |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 2 | #include "ble/BLE.h" |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 3 | #include "ble/DiscoveredCharacteristic.h" |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 4 | #include "ble/DiscoveredService.h" |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 5 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 6 | BLE ble; |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 7 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 8 | const uint8_t MPU6050_service_uuid[] = { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 9 | 0x45,0x35,0x56,0x80,0x0F,0xD8,0x5F,0xB5,0x51,0x48,0x30,0x27,0x06,0x9B,0x3F,0xD9 |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 10 | }; |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 11 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 12 | const uint8_t MPU6050_Accel_Characteristic_uuid[] = { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 13 | 0x45,0x35,0x56,0x81,0x0F,0xD8,0x5F,0xB5,0x51,0x48,0x30,0x27,0x06,0x9B,0x3F,0xD9 |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 14 | }; |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 15 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 16 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 17 | UUID serviceUUID(MPU6050_service_uuid); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 18 | UUID accelUUID(MPU6050_Accel_Characteristic_uuid); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 19 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 20 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 21 | void scanCallback(const Gap::AdvertisementCallbackParams_t *params) { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 22 | printf("adv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\n", |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 23 | params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 24 | params->rssi, params->isScanResponse, params->type); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 25 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 26 | ble.stopScan(); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 27 | ble.connect(params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 28 | } |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 29 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 30 | void serviceDiscoveryCallback(const DiscoveredService *service) { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 31 | printf("service found...\r\n"); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 32 | } |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 33 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 34 | void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP) { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 35 | printf("characteristicDiscoveryCallback\r\n"); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 36 | ble.gattClient().read(characteristicP->getConnHandle(), characteristicP->getValueHandle(), 0); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 37 | } |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 38 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 39 | void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 40 | printf("GAP_EVT_CONNECTED"); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 41 | ble.gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, serviceUUID, accelUUID); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 42 | } |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 43 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 44 | void discoveryTerminationCallback(Gap::Handle_t connectionHandle) { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 45 | printf("terminated SD for handle %u\r\n", connectionHandle); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 46 | } |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 47 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 48 | void triggerRead(const GattReadCallbackParams *response) { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 49 | printf("triggerRead....."); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 50 | for(int i=0; i < response->len; i++){ |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 51 | printf("data %x", response->data[i]); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 52 | } |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 53 | printf("\r\n"); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 54 | } |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 55 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 56 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params){//(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 57 | printf("disconnected\r\n"); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 58 | } |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 59 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 60 | int main(void) { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 61 | wait(8.0); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 62 | printf("start\r\n"); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 63 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 64 | ble.init(); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 65 | ble.onConnection(connectionCallback); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 66 | ble.onDisconnection(disconnectionCallback); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 67 | ble.gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 68 | ble.gattClient().onDataRead(triggerRead); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 69 | //ble.gattClient().onDataWrite(triggerToggledWrite); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 70 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 71 | ble.gap().setScanParams(500, 400); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 72 | ble.gap().startScan(scanCallback); |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 73 | |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 74 | while (true) { |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 75 | } |
mbed_tw_hoehoe | 0:83b5c6efd8d7 | 76 | } |