Valentin Tanasa / Mbed 2 deprecated BLE_Nano_CentralTest

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@2:4b53d13d9851, 2015-11-22 (annotated)

Committer:
mbed_tw_hoehoe
Date:
Sun Nov 22 11:51:48 2015 +0000
Revision:
2:4b53d13d9851
Parent:
1:2f1203d70643
Child:
3:d6f80e11a7f4
2nd commit.

Who changed what in which revision?

UserRevisionLine numberNew 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 2:4b53d13d9851 5 #include "ble_radio_notification.h"
mbed_tw_hoehoe 0:83b5c6efd8d7 6
mbed_tw_hoehoe 0:83b5c6efd8d7 7 BLE ble;
mbed_tw_hoehoe 1:2f1203d70643 8 Serial pc(USBTX, USBRX);
mbed_tw_hoehoe 0:83b5c6efd8d7 9
mbed_tw_hoehoe 2:4b53d13d9851 10 DiscoveredCharacteristic accelChar;
mbed_tw_hoehoe 2:4b53d13d9851 11
mbed_tw_hoehoe 0:83b5c6efd8d7 12 const uint8_t MPU6050_service_uuid[] = {
mbed_tw_hoehoe 0:83b5c6efd8d7 13 0x45,0x35,0x56,0x80,0x0F,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 const uint8_t MPU6050_Accel_Characteristic_uuid[] = {
mbed_tw_hoehoe 0:83b5c6efd8d7 17 0x45,0x35,0x56,0x81,0x0F,0xD8,0x5F,0xB5,0x51,0x48,0x30,0x27,0x06,0x9B,0x3F,0xD9
mbed_tw_hoehoe 0:83b5c6efd8d7 18 };
mbed_tw_hoehoe 0:83b5c6efd8d7 19
mbed_tw_hoehoe 0:83b5c6efd8d7 20
mbed_tw_hoehoe 0:83b5c6efd8d7 21 UUID serviceUUID(MPU6050_service_uuid);
mbed_tw_hoehoe 0:83b5c6efd8d7 22 UUID accelUUID(MPU6050_Accel_Characteristic_uuid);
mbed_tw_hoehoe 0:83b5c6efd8d7 23
mbed_tw_hoehoe 0:83b5c6efd8d7 24
mbed_tw_hoehoe 0:83b5c6efd8d7 25 void scanCallback(const Gap::AdvertisementCallbackParams_t *params) {
mbed_tw_hoehoe 1:2f1203d70643 26 pc.printf("adv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\n",
mbed_tw_hoehoe 0:83b5c6efd8d7 27 params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0],
mbed_tw_hoehoe 0:83b5c6efd8d7 28 params->rssi, params->isScanResponse, params->type);
mbed_tw_hoehoe 0:83b5c6efd8d7 29
mbed_tw_hoehoe 2:4b53d13d9851 30
mbed_tw_hoehoe 0:83b5c6efd8d7 31 ble.connect(params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL);
mbed_tw_hoehoe 0:83b5c6efd8d7 32 }
mbed_tw_hoehoe 0:83b5c6efd8d7 33
mbed_tw_hoehoe 0:83b5c6efd8d7 34 void serviceDiscoveryCallback(const DiscoveredService *service) {
mbed_tw_hoehoe 1:2f1203d70643 35 pc.printf("service found...\r\n");
mbed_tw_hoehoe 0:83b5c6efd8d7 36 }
mbed_tw_hoehoe 0:83b5c6efd8d7 37
mbed_tw_hoehoe 0:83b5c6efd8d7 38 void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP) {
mbed_tw_hoehoe 1:2f1203d70643 39 pc.printf("characteristicDiscoveryCallback\r\n");
mbed_tw_hoehoe 2:4b53d13d9851 40
mbed_tw_hoehoe 2:4b53d13d9851 41 const uint8_t *longUUIDBytes = characteristicP->getUUID().getBaseUUID();
mbed_tw_hoehoe 2:4b53d13d9851 42 bool flag = true;
mbed_tw_hoehoe 2:4b53d13d9851 43
mbed_tw_hoehoe 2:4b53d13d9851 44 if (characteristicP->getUUID().shortOrLong() != UUID::UUID_TYPE_SHORT) {
mbed_tw_hoehoe 2:4b53d13d9851 45 for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++){
mbed_tw_hoehoe 2:4b53d13d9851 46 if( longUUIDBytes[i]!=MPU6050_Accel_Characteristic_uuid[i]){
mbed_tw_hoehoe 2:4b53d13d9851 47 flag=false;
mbed_tw_hoehoe 2:4b53d13d9851 48 }
mbed_tw_hoehoe 2:4b53d13d9851 49 }
mbed_tw_hoehoe 2:4b53d13d9851 50 if(flag == true) {
mbed_tw_hoehoe 2:4b53d13d9851 51 accelChar = *characteristicP;
mbed_tw_hoehoe 2:4b53d13d9851 52 ble.gattClient().read(characteristicP->getConnHandle(), characteristicP->getValueHandle(), 0);
mbed_tw_hoehoe 2:4b53d13d9851 53 }
mbed_tw_hoehoe 2:4b53d13d9851 54 }
mbed_tw_hoehoe 2:4b53d13d9851 55
mbed_tw_hoehoe 0:83b5c6efd8d7 56 }
mbed_tw_hoehoe 0:83b5c6efd8d7 57
mbed_tw_hoehoe 0:83b5c6efd8d7 58 void connectionCallback(const Gap::ConnectionCallbackParams_t *params) {
mbed_tw_hoehoe 1:2f1203d70643 59 pc.printf("GAP_EVT_CONNECTED");
mbed_tw_hoehoe 2:4b53d13d9851 60
mbed_tw_hoehoe 2:4b53d13d9851 61 if (params->role == Gap::CENTRAL) {
mbed_tw_hoehoe 2:4b53d13d9851 62 ble.gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, serviceUUID, accelUUID);
mbed_tw_hoehoe 2:4b53d13d9851 63 //ble.stopScan();
mbed_tw_hoehoe 2:4b53d13d9851 64 }
mbed_tw_hoehoe 0:83b5c6efd8d7 65 }
mbed_tw_hoehoe 0:83b5c6efd8d7 66
mbed_tw_hoehoe 0:83b5c6efd8d7 67 void discoveryTerminationCallback(Gap::Handle_t connectionHandle) {
mbed_tw_hoehoe 1:2f1203d70643 68 pc.printf("terminated SD for handle %u\r\n", connectionHandle);
mbed_tw_hoehoe 0:83b5c6efd8d7 69 }
mbed_tw_hoehoe 0:83b5c6efd8d7 70
mbed_tw_hoehoe 0:83b5c6efd8d7 71 void triggerRead(const GattReadCallbackParams *response) {
mbed_tw_hoehoe 0:83b5c6efd8d7 72 printf("triggerRead.....");
mbed_tw_hoehoe 0:83b5c6efd8d7 73 for(int i=0; i < response->len; i++){
mbed_tw_hoehoe 1:2f1203d70643 74 pc.printf("data %x", response->data[i]);
mbed_tw_hoehoe 0:83b5c6efd8d7 75 }
mbed_tw_hoehoe 1:2f1203d70643 76 pc.printf("\r\n");
mbed_tw_hoehoe 2:4b53d13d9851 77 accelChar.read();
mbed_tw_hoehoe 0:83b5c6efd8d7 78 }
mbed_tw_hoehoe 0:83b5c6efd8d7 79
mbed_tw_hoehoe 0:83b5c6efd8d7 80 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params){//(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) {
mbed_tw_hoehoe 1:2f1203d70643 81 pc.printf("disconnected\r\n");
mbed_tw_hoehoe 2:4b53d13d9851 82 wait(8.0);
mbed_tw_hoehoe 2:4b53d13d9851 83 ble.gap().startScan(scanCallback);
mbed_tw_hoehoe 2:4b53d13d9851 84 }
mbed_tw_hoehoe 2:4b53d13d9851 85
mbed_tw_hoehoe 2:4b53d13d9851 86 void your_radio_callback_handler(bool radio_active)
mbed_tw_hoehoe 2:4b53d13d9851 87 {
mbed_tw_hoehoe 2:4b53d13d9851 88
mbed_tw_hoehoe 0:83b5c6efd8d7 89 }
mbed_tw_hoehoe 0:83b5c6efd8d7 90
mbed_tw_hoehoe 0:83b5c6efd8d7 91 int main(void) {
mbed_tw_hoehoe 1:2f1203d70643 92 pc.baud(9600);
mbed_tw_hoehoe 0:83b5c6efd8d7 93 wait(8.0);
mbed_tw_hoehoe 1:2f1203d70643 94 pc.printf("start\r\n");
mbed_tw_hoehoe 0:83b5c6efd8d7 95
mbed_tw_hoehoe 0:83b5c6efd8d7 96 ble.init();
mbed_tw_hoehoe 2:4b53d13d9851 97 ble_radio_notification_init(NRF_APP_PRIORITY_HIGH,
mbed_tw_hoehoe 2:4b53d13d9851 98 NRF_RADIO_NOTIFICATION_DISTANCE_4560US,
mbed_tw_hoehoe 2:4b53d13d9851 99 your_radio_callback_handler);
mbed_tw_hoehoe 0:83b5c6efd8d7 100 ble.onConnection(connectionCallback);
mbed_tw_hoehoe 0:83b5c6efd8d7 101 ble.onDisconnection(disconnectionCallback);
mbed_tw_hoehoe 0:83b5c6efd8d7 102 ble.gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback);
mbed_tw_hoehoe 0:83b5c6efd8d7 103 ble.gattClient().onDataRead(triggerRead);
mbed_tw_hoehoe 0:83b5c6efd8d7 104 //ble.gattClient().onDataWrite(triggerToggledWrite);
mbed_tw_hoehoe 0:83b5c6efd8d7 105
mbed_tw_hoehoe 0:83b5c6efd8d7 106 ble.gap().setScanParams(500, 400);
mbed_tw_hoehoe 0:83b5c6efd8d7 107 ble.gap().startScan(scanCallback);
mbed_tw_hoehoe 0:83b5c6efd8d7 108
mbed_tw_hoehoe 0:83b5c6efd8d7 109 while (true) {
mbed_tw_hoehoe 0:83b5c6efd8d7 110 }
mbed_tw_hoehoe 0:83b5c6efd8d7 111 }