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BLE Observer example for nucleo platform
Dependencies: BLE_API X_NUCLEO_IDB0XA1 mbed
main.cpp@8:0052fb9fe16c, 2017-01-26 (annotated)
- Committer:
- erikamorv
- Date:
- Thu Jan 26 12:49:50 2017 +0000
- Revision:
- 8:0052fb9fe16c
- Parent:
- 7:743f48384bdf
2017.01.26
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
vcoubard | 0:39b311448c9e | 1 | /* mbed Microcontroller Library |
vcoubard | 0:39b311448c9e | 2 | * Copyright (c) 2006-2015 ARM Limited |
vcoubard | 0:39b311448c9e | 3 | * |
vcoubard | 0:39b311448c9e | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
vcoubard | 0:39b311448c9e | 5 | * you may not use this file except in compliance with the License. |
vcoubard | 0:39b311448c9e | 6 | * You may obtain a copy of the License at |
vcoubard | 0:39b311448c9e | 7 | * |
vcoubard | 0:39b311448c9e | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
vcoubard | 0:39b311448c9e | 9 | * |
vcoubard | 0:39b311448c9e | 10 | * Unless required by applicable law or agreed to in writing, software |
vcoubard | 0:39b311448c9e | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
vcoubard | 0:39b311448c9e | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
vcoubard | 0:39b311448c9e | 13 | * See the License for the specific language governing permissions and |
vcoubard | 0:39b311448c9e | 14 | * limitations under the License. |
vcoubard | 0:39b311448c9e | 15 | */ |
erikamorv | 1:6ec60260b682 | 16 | |
vcoubard | 0:39b311448c9e | 17 | #include "mbed.h" |
vcoubard | 0:39b311448c9e | 18 | #include "BLE.h" |
erikamorv | 1:6ec60260b682 | 19 | |
erikamorv | 8:0052fb9fe16c | 20 | BLE ble; // Bluetooth Low Energy device: Advertising mode |
erikamorv | 8:0052fb9fe16c | 21 | BLE ble_Scan; // Bluetooth Low Energy device: Scan mode |
erikamorv | 8:0052fb9fe16c | 22 | DigitalOut led1(LED1); // Led on Nucleo Board |
erikamorv | 2:b34944e028f9 | 23 | |
erikamorv | 2:b34944e028f9 | 24 | // Change your device name below |
erikamorv | 2:b34944e028f9 | 25 | const char DEVICE_NAME[] = "Nucleo_test"; |
erikamorv | 5:346bcd62f251 | 26 | |
erikamorv | 8:0052fb9fe16c | 27 | #define T 50 // Threshold for Beacon RSSI |
erikamorv | 5:346bcd62f251 | 28 | #define UUID 0x00FF //Beacon UUID |
erikamorv | 5:346bcd62f251 | 29 | const uint16_t uuid16_list[] = {UUID}; |
erikamorv | 1:6ec60260b682 | 30 | |
erikamorv | 4:2aefa62bdce5 | 31 | // Control Beacon read |
erikamorv | 4:2aefa62bdce5 | 32 | static int beacon = 0; |
erikamorv | 5:346bcd62f251 | 33 | |
vcoubard | 0:39b311448c9e | 34 | void periodicCallback(void) |
vcoubard | 0:39b311448c9e | 35 | { |
vcoubard | 0:39b311448c9e | 36 | led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ |
vcoubard | 0:39b311448c9e | 37 | } |
erikamorv | 1:6ec60260b682 | 38 | |
erikamorv | 2:b34944e028f9 | 39 | void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) { |
erikamorv | 6:1c20e1891e4b | 40 | |
erikamorv | 8:0052fb9fe16c | 41 | if (params->peerAddr[0] == 0xB2) { // Control last bytes of Beacon Address -> Address Beacon 1 is 00 07 80 15 6E B2 |
erikamorv | 6:1c20e1891e4b | 42 | |
erikamorv | 8:0052fb9fe16c | 43 | if (abs(params->rssi) <= T) { |
erikamorv | 2:b34944e028f9 | 44 | |
erikamorv | 8:0052fb9fe16c | 45 | printf("Beacon_1: [%02x %02x %02x %02x %02x %02x] rssi %d\r\n", // Display Beacon Address and relative RSSI |
vcoubard | 0:39b311448c9e | 46 | params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], |
erikamorv | 8:0052fb9fe16c | 47 | params->rssi); |
erikamorv | 4:2aefa62bdce5 | 48 | |
erikamorv | 4:2aefa62bdce5 | 49 | beacon = 1; |
erikamorv | 2:b34944e028f9 | 50 | } |
erikamorv | 2:b34944e028f9 | 51 | } |
erikamorv | 2:b34944e028f9 | 52 | |
erikamorv | 8:0052fb9fe16c | 53 | if (params->peerAddr[0] == 0xA8) { // Control last bytes of Beacon Address -> Address Beacon 2 is EE 45 56 1C D0 A8 |
erikamorv | 2:b34944e028f9 | 54 | |
erikamorv | 8:0052fb9fe16c | 55 | if (abs(params->rssi) <= T) { |
erikamorv | 8:0052fb9fe16c | 56 | printf("Beacon_2: [%02x %02x %02x %02x %02x %02x] rssi %d\r\n", // Display Beacon Address and relative RSSI |
erikamorv | 2:b34944e028f9 | 57 | params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], |
erikamorv | 4:2aefa62bdce5 | 58 | params->rssi); |
erikamorv | 4:2aefa62bdce5 | 59 | |
erikamorv | 4:2aefa62bdce5 | 60 | beacon = 2; |
erikamorv | 2:b34944e028f9 | 61 | } |
erikamorv | 2:b34944e028f9 | 62 | } |
erikamorv | 1:6ec60260b682 | 63 | |
erikamorv | 8:0052fb9fe16c | 64 | if (params->peerAddr[0] == 0x46) { // Control last bytes of Beacon Address -> Address Beacon 3 is 00 07 80 15 79 46 |
erikamorv | 2:b34944e028f9 | 65 | |
erikamorv | 8:0052fb9fe16c | 66 | if (abs(params->rssi) <= T) { |
erikamorv | 8:0052fb9fe16c | 67 | printf("Beacon_3: [%02x %02x %02x %02x %02x %02x] rssi %d\r\n", // Display Beacon Address and relative RSSI |
erikamorv | 2:b34944e028f9 | 68 | params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], |
erikamorv | 2:b34944e028f9 | 69 | params->rssi); |
erikamorv | 4:2aefa62bdce5 | 70 | |
erikamorv | 4:2aefa62bdce5 | 71 | beacon = 3; |
vcoubard | 0:39b311448c9e | 72 | } |
erikamorv | 2:b34944e028f9 | 73 | } |
erikamorv | 1:6ec60260b682 | 74 | |
erikamorv | 2:b34944e028f9 | 75 | } |
erikamorv | 2:b34944e028f9 | 76 | |
erikamorv | 2:b34944e028f9 | 77 | /* Optional: Restart advertising when peer disconnects */ |
erikamorv | 2:b34944e028f9 | 78 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) |
erikamorv | 2:b34944e028f9 | 79 | { |
erikamorv | 2:b34944e028f9 | 80 | BLE::Instance().gap().startAdvertising(); |
erikamorv | 2:b34944e028f9 | 81 | } |
erikamorv | 1:6ec60260b682 | 82 | |
erikamorv | 2:b34944e028f9 | 83 | void bleInitComplete(BLE::InitializationCompleteCallbackContext *context) |
erikamorv | 2:b34944e028f9 | 84 | { |
erikamorv | 2:b34944e028f9 | 85 | // Set up the advertising flags. Note: not all combination of flags are valid |
erikamorv | 2:b34944e028f9 | 86 | // BREDR_NOT_SUPPORTED: Device does not support Basic Rate or Enchanced Data Rate, It is Low Energy only. |
erikamorv | 2:b34944e028f9 | 87 | // LE_GENERAL_DISCOVERABLE: Peripheral device is discoverable at any moment |
erikamorv | 2:b34944e028f9 | 88 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
erikamorv | 2:b34944e028f9 | 89 | |
erikamorv | 2:b34944e028f9 | 90 | // Put the device name in the advertising payload |
erikamorv | 2:b34944e028f9 | 91 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); |
erikamorv | 5:346bcd62f251 | 92 | |
erikamorv | 5:346bcd62f251 | 93 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); |
erikamorv | 5:346bcd62f251 | 94 | |
erikamorv | 2:b34944e028f9 | 95 | /* Optional: add callback for disconnection */ |
erikamorv | 2:b34944e028f9 | 96 | ble.gap().onDisconnection(disconnectionCallback); |
erikamorv | 1:6ec60260b682 | 97 | |
erikamorv | 2:b34944e028f9 | 98 | // The Service Data data type consists of a service UUID with the data associated with that service. |
erikamorv | 4:2aefa62bdce5 | 99 | // We will encode the number of beacon received |
erikamorv | 5:346bcd62f251 | 100 | uint8_t service_data[2]; |
erikamorv | 5:346bcd62f251 | 101 | service_data[0] = UUID & 0xff; |
erikamorv | 5:346bcd62f251 | 102 | service_data[1] = beacon & 0xff; |
erikamorv | 5:346bcd62f251 | 103 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::SERVICE_DATA, (uint8_t *)service_data, sizeof(service_data)); |
erikamorv | 2:b34944e028f9 | 104 | |
erikamorv | 2:b34944e028f9 | 105 | // It is not connectable as we are just boardcasting |
erikamorv | 2:b34944e028f9 | 106 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); |
erikamorv | 2:b34944e028f9 | 107 | |
erikamorv | 2:b34944e028f9 | 108 | //Send out the advertising payload every 1000ms |
erikamorv | 6:1c20e1891e4b | 109 | ble.gap().setAdvertisingInterval(100); |
vcoubard | 0:39b311448c9e | 110 | } |
erikamorv | 3:37a2f13b746d | 111 | |
erikamorv | 3:37a2f13b746d | 112 | void bleScanInitComplete(BLE::InitializationCompleteCallbackContext *context) { |
erikamorv | 3:37a2f13b746d | 113 | |
erikamorv | 7:743f48384bdf | 114 | ble_Scan.gap().setScanParams(50 /* scan interval */, 25 /* scan window */, 1); |
erikamorv | 3:37a2f13b746d | 115 | |
erikamorv | 3:37a2f13b746d | 116 | } |
erikamorv | 3:37a2f13b746d | 117 | |
erikamorv | 1:6ec60260b682 | 118 | |
vcoubard | 0:39b311448c9e | 119 | int main(void) |
vcoubard | 0:39b311448c9e | 120 | { |
vcoubard | 0:39b311448c9e | 121 | led1 = 1; |
vcoubard | 0:39b311448c9e | 122 | Ticker ticker; |
erikamorv | 8:0052fb9fe16c | 123 | ticker.attach(periodicCallback, 1); // Debug Periodic Callback |
erikamorv | 2:b34944e028f9 | 124 | |
erikamorv | 2:b34944e028f9 | 125 | BLE &ble = BLE::Instance(); |
erikamorv | 2:b34944e028f9 | 126 | BLE &ble_Scan = BLE::Instance(); |
erikamorv | 2:b34944e028f9 | 127 | |
erikamorv | 5:346bcd62f251 | 128 | int status = 1; |
erikamorv | 2:b34944e028f9 | 129 | |
erikamorv | 2:b34944e028f9 | 130 | /* Infinite loop waiting for BLE events */ |
erikamorv | 2:b34944e028f9 | 131 | while (true) { |
erikamorv | 5:346bcd62f251 | 132 | switch (status) { |
erikamorv | 3:37a2f13b746d | 133 | case(0): |
erikamorv | 8:0052fb9fe16c | 134 | |
erikamorv | 8:0052fb9fe16c | 135 | // Advertising mode |
erikamorv | 8:0052fb9fe16c | 136 | |
erikamorv | 8:0052fb9fe16c | 137 | printf("Advertising mode 0\r\n"); |
erikamorv | 3:37a2f13b746d | 138 | ble.init(bleInitComplete); |
erikamorv | 3:37a2f13b746d | 139 | ble.gap().startAdvertising(); |
erikamorv | 5:346bcd62f251 | 140 | wait(1); |
erikamorv | 3:37a2f13b746d | 141 | ble.gap().stopAdvertising(); |
erikamorv | 5:346bcd62f251 | 142 | status = 1; |
erikamorv | 8:0052fb9fe16c | 143 | NVIC_SystemReset(); |
erikamorv | 3:37a2f13b746d | 144 | break; |
erikamorv | 3:37a2f13b746d | 145 | case(1): |
erikamorv | 8:0052fb9fe16c | 146 | |
erikamorv | 8:0052fb9fe16c | 147 | // Scan mode |
erikamorv | 8:0052fb9fe16c | 148 | |
erikamorv | 8:0052fb9fe16c | 149 | printf("Scan mode 1\r\n"); |
erikamorv | 3:37a2f13b746d | 150 | ble_Scan.init(bleScanInitComplete); |
erikamorv | 3:37a2f13b746d | 151 | ble_Scan.gap().startScan(advertisementCallback); |
erikamorv | 5:346bcd62f251 | 152 | wait(1); |
erikamorv | 5:346bcd62f251 | 153 | status = 0; |
erikamorv | 5:346bcd62f251 | 154 | break; |
erikamorv | 3:37a2f13b746d | 155 | } |
erikamorv | 2:b34944e028f9 | 156 | |
erikamorv | 5:346bcd62f251 | 157 | /* Save power while waiting for callback events */ |
erikamorv | 5:346bcd62f251 | 158 | ble.waitForEvent(); |
erikamorv | 5:346bcd62f251 | 159 | ble_Scan.waitForEvent(); |
erikamorv | 5:346bcd62f251 | 160 | } |
erikamorv | 2:b34944e028f9 | 161 | } |