This example demonstrates using the GattClient API to control BLE client devices. The canonical source for this example lives at https://github.com/ARMmbed/mbed-os-example-ble/tree/master/BLE_LEDBlinker

Committer:
sayhuthut
Date:
Thu Mar 07 09:38:15 2019 +0000
Revision:
81:816977af0b75
Parent:
75:1a8d19363522
This an example show Central and Peripheral working concurrently.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 75:1a8d19363522 1 /* mbed Microcontroller Library
mbed_official 75:1a8d19363522 2 * Copyright (c) 2018 ARM Limited
mbed_official 75:1a8d19363522 3 *
mbed_official 75:1a8d19363522 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 75:1a8d19363522 5 * you may not use this file except in compliance with the License.
mbed_official 75:1a8d19363522 6 * You may obtain a copy of the License at
mbed_official 75:1a8d19363522 7 *
mbed_official 75:1a8d19363522 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 75:1a8d19363522 9 *
mbed_official 75:1a8d19363522 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 75:1a8d19363522 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 75:1a8d19363522 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 75:1a8d19363522 13 * See the License for the specific language governing permissions and
mbed_official 75:1a8d19363522 14 * limitations under the License.
mbed_official 75:1a8d19363522 15 */
mbed_official 75:1a8d19363522 16
mbed_official 75:1a8d19363522 17 #include <mbed.h>
mbed_official 75:1a8d19363522 18 #include "ble/BLE.h"
mbed_official 75:1a8d19363522 19
mbed_official 75:1a8d19363522 20 inline void print_error(ble_error_t error, const char* msg)
mbed_official 75:1a8d19363522 21 {
mbed_official 75:1a8d19363522 22 printf("%s: ", msg);
mbed_official 75:1a8d19363522 23 switch(error) {
mbed_official 75:1a8d19363522 24 case BLE_ERROR_NONE:
mbed_official 75:1a8d19363522 25 printf("BLE_ERROR_NONE: No error");
mbed_official 75:1a8d19363522 26 break;
mbed_official 75:1a8d19363522 27 case BLE_ERROR_BUFFER_OVERFLOW:
mbed_official 75:1a8d19363522 28 printf("BLE_ERROR_BUFFER_OVERFLOW: The requested action would cause a buffer overflow and has been aborted");
mbed_official 75:1a8d19363522 29 break;
mbed_official 75:1a8d19363522 30 case BLE_ERROR_NOT_IMPLEMENTED:
mbed_official 75:1a8d19363522 31 printf("BLE_ERROR_NOT_IMPLEMENTED: Requested a feature that isn't yet implement or isn't supported by the target HW");
mbed_official 75:1a8d19363522 32 break;
mbed_official 75:1a8d19363522 33 case BLE_ERROR_PARAM_OUT_OF_RANGE:
mbed_official 75:1a8d19363522 34 printf("BLE_ERROR_PARAM_OUT_OF_RANGE: One of the supplied parameters is outside the valid range");
mbed_official 75:1a8d19363522 35 break;
mbed_official 75:1a8d19363522 36 case BLE_ERROR_INVALID_PARAM:
mbed_official 75:1a8d19363522 37 printf("BLE_ERROR_INVALID_PARAM: One of the supplied parameters is invalid");
mbed_official 75:1a8d19363522 38 break;
mbed_official 75:1a8d19363522 39 case BLE_STACK_BUSY:
mbed_official 75:1a8d19363522 40 printf("BLE_STACK_BUSY: The stack is busy");
mbed_official 75:1a8d19363522 41 break;
mbed_official 75:1a8d19363522 42 case BLE_ERROR_INVALID_STATE:
mbed_official 75:1a8d19363522 43 printf("BLE_ERROR_INVALID_STATE: Invalid state");
mbed_official 75:1a8d19363522 44 break;
mbed_official 75:1a8d19363522 45 case BLE_ERROR_NO_MEM:
mbed_official 75:1a8d19363522 46 printf("BLE_ERROR_NO_MEM: Out of Memory");
mbed_official 75:1a8d19363522 47 break;
mbed_official 75:1a8d19363522 48 case BLE_ERROR_OPERATION_NOT_PERMITTED:
mbed_official 75:1a8d19363522 49 printf("BLE_ERROR_OPERATION_NOT_PERMITTED");
mbed_official 75:1a8d19363522 50 break;
mbed_official 75:1a8d19363522 51 case BLE_ERROR_INITIALIZATION_INCOMPLETE:
mbed_official 75:1a8d19363522 52 printf("BLE_ERROR_INITIALIZATION_INCOMPLETE");
mbed_official 75:1a8d19363522 53 break;
mbed_official 75:1a8d19363522 54 case BLE_ERROR_ALREADY_INITIALIZED:
mbed_official 75:1a8d19363522 55 printf("BLE_ERROR_ALREADY_INITIALIZED");
mbed_official 75:1a8d19363522 56 break;
mbed_official 75:1a8d19363522 57 case BLE_ERROR_UNSPECIFIED:
mbed_official 75:1a8d19363522 58 printf("BLE_ERROR_UNSPECIFIED: Unknown error");
mbed_official 75:1a8d19363522 59 break;
mbed_official 75:1a8d19363522 60 case BLE_ERROR_INTERNAL_STACK_FAILURE:
mbed_official 75:1a8d19363522 61 printf("BLE_ERROR_INTERNAL_STACK_FAILURE: internal stack faillure");
mbed_official 75:1a8d19363522 62 break;
mbed_official 75:1a8d19363522 63 }
mbed_official 75:1a8d19363522 64 printf("\r\n");
mbed_official 75:1a8d19363522 65 }
mbed_official 75:1a8d19363522 66
mbed_official 75:1a8d19363522 67 /** print device address to the terminal */
mbed_official 75:1a8d19363522 68 void print_address(const uint8_t *addr)
mbed_official 75:1a8d19363522 69 {
mbed_official 75:1a8d19363522 70 printf("%02x:%02x:%02x:%02x:%02x:%02x\r\n",
mbed_official 75:1a8d19363522 71 addr[5], addr[4], addr[3], addr[2], addr[1], addr[0]);
mbed_official 75:1a8d19363522 72 }
mbed_official 75:1a8d19363522 73
mbed_official 75:1a8d19363522 74 inline void print_mac_address()
mbed_official 75:1a8d19363522 75 {
mbed_official 75:1a8d19363522 76 /* Print out device MAC address to the console*/
mbed_official 75:1a8d19363522 77 Gap::AddressType_t addr_type;
mbed_official 75:1a8d19363522 78 Gap::Address_t address;
mbed_official 75:1a8d19363522 79 BLE::Instance().gap().getAddress(&addr_type, address);
mbed_official 75:1a8d19363522 80 printf("DEVICE MAC ADDRESS: ");
mbed_official 75:1a8d19363522 81 print_address(address);
mbed_official 75:1a8d19363522 82 }
mbed_official 75:1a8d19363522 83
mbed_official 75:1a8d19363522 84 inline const char* phy_to_string(Gap::Phy_t phy) {
mbed_official 75:1a8d19363522 85 switch(phy.value()) {
mbed_official 75:1a8d19363522 86 case Gap::Phy_t::LE_1M:
mbed_official 75:1a8d19363522 87 return "LE 1M";
mbed_official 75:1a8d19363522 88 case Gap::Phy_t::LE_2M:
mbed_official 75:1a8d19363522 89 return "LE 2M";
mbed_official 75:1a8d19363522 90 case Gap::Phy_t::LE_CODED:
mbed_official 75:1a8d19363522 91 return "LE coded";
mbed_official 75:1a8d19363522 92 default:
mbed_official 75:1a8d19363522 93 return "invalid PHY";
mbed_official 75:1a8d19363522 94 }
mbed_official 75:1a8d19363522 95 }