BLe Central Role. It can connect to a number of peripheral that use the same uart ble services
Dependencies: BLE_API mbed nRF51822
Diff: main.cpp
- Revision:
- 0:83b5c6efd8d7
- Child:
- 1:2f1203d70643
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sat Nov 21 11:13:58 2015 +0000 @@ -0,0 +1,76 @@ +#include "mbed.h" +#include "ble/BLE.h" +#include "ble/DiscoveredCharacteristic.h" +#include "ble/DiscoveredService.h" + +BLE ble; + +const uint8_t MPU6050_service_uuid[] = { + 0x45,0x35,0x56,0x80,0x0F,0xD8,0x5F,0xB5,0x51,0x48,0x30,0x27,0x06,0x9B,0x3F,0xD9 +}; + +const uint8_t MPU6050_Accel_Characteristic_uuid[] = { + 0x45,0x35,0x56,0x81,0x0F,0xD8,0x5F,0xB5,0x51,0x48,0x30,0x27,0x06,0x9B,0x3F,0xD9 +}; + + +UUID serviceUUID(MPU6050_service_uuid); +UUID accelUUID(MPU6050_Accel_Characteristic_uuid); + + +void scanCallback(const Gap::AdvertisementCallbackParams_t *params) { + printf("adv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\n", + 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); +} + +void serviceDiscoveryCallback(const DiscoveredService *service) { + printf("service found...\r\n"); +} + +void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP) { + printf("characteristicDiscoveryCallback\r\n"); + ble.gattClient().read(characteristicP->getConnHandle(), characteristicP->getValueHandle(), 0); +} + +void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { + printf("GAP_EVT_CONNECTED"); + ble.gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, serviceUUID, accelUUID); +} + +void discoveryTerminationCallback(Gap::Handle_t connectionHandle) { + printf("terminated SD for handle %u\r\n", connectionHandle); +} + +void triggerRead(const GattReadCallbackParams *response) { + printf("triggerRead....."); + for(int i=0; i < response->len; i++){ + printf("data %x", response->data[i]); + } + printf("\r\n"); +} + +void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params){//(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) { + printf("disconnected\r\n"); +} + +int main(void) { + wait(8.0); + printf("start\r\n"); + + ble.init(); + ble.onConnection(connectionCallback); + ble.onDisconnection(disconnectionCallback); + ble.gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback); + ble.gattClient().onDataRead(triggerRead); + //ble.gattClient().onDataWrite(triggerToggledWrite); + + ble.gap().setScanParams(500, 400); + ble.gap().startScan(scanCallback); + + while (true) { + } +} \ No newline at end of file