Javier Montaner / Mbed 2 deprecated BLE_UART_USBConsole

Connect the BLE_UART Console to a PC USB/Serial Console. Data written to PC console is sent over BLE UART Data received from BLE UART is displayed in PC console

Dependencies:   BLE_API mbed nRF51822

Fork of BLE_LED_Controller by UCL IoT

main.cpp@0:e910d9bb040f, 2014-05-26 (annotated)

Committer:
yihui
Date:
Mon May 26 06:58:45 2014 +0000
Revision:
0:e910d9bb040f
Child:
2:e060367b9024
initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 0:e910d9bb040f 1 /* mbed Microcontroller Library
yihui 0:e910d9bb040f 2 * Copyright (c) 2006-2013 ARM Limited
yihui 0:e910d9bb040f 3 *
yihui 0:e910d9bb040f 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 0:e910d9bb040f 5 * you may not use this file except in compliance with the License.
yihui 0:e910d9bb040f 6 * You may obtain a copy of the License at
yihui 0:e910d9bb040f 7 *
yihui 0:e910d9bb040f 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 0:e910d9bb040f 9 *
yihui 0:e910d9bb040f 10 * Unless required by applicable law or agreed to in writing, software
yihui 0:e910d9bb040f 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 0:e910d9bb040f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 0:e910d9bb040f 13 * See the License for the specific language governing permissions and
yihui 0:e910d9bb040f 14 * limitations under the License.
yihui 0:e910d9bb040f 15 */
yihui 0:e910d9bb040f 16
yihui 0:e910d9bb040f 17 #include "mbed.h"
yihui 0:e910d9bb040f 18 #include "nRF51822n.h"
yihui 0:e910d9bb040f 19
yihui 0:e910d9bb040f 20 #define BLE_UUID_NUS_SERVICE 0x0001 /**< The UUID of the Nordic UART Service. */
yihui 0:e910d9bb040f 21 #define BLE_UUID_NUS_TX_CHARACTERISTIC 0x0002 /**< The UUID of the TX Characteristic. */
yihui 0:e910d9bb040f 22 #define BLE_UUID_NUS_RX_CHARACTERISTIC 0x0003 /**< The UUID of the RX Characteristic. */
yihui 0:e910d9bb040f 23
yihui 0:e910d9bb040f 24 #ifdef DEBUG
yihui 0:e910d9bb040f 25 #define LOG(args...) pc.printf(args)
yihui 0:e910d9bb040f 26
yihui 0:e910d9bb040f 27 Serial pc(USBTX, USBRX);
yihui 0:e910d9bb040f 28 #else
yihui 0:e910d9bb040f 29 #define LOG(args...)
yihui 0:e910d9bb040f 30 #endif
yihui 0:e910d9bb040f 31
yihui 0:e910d9bb040f 32 nRF51822n nrf; /* BLE radio driver */
yihui 0:e910d9bb040f 33
yihui 0:e910d9bb040f 34 DigitalOut led1(p1);
yihui 0:e910d9bb040f 35 DigitalOut advertisingStateLed(p30);
yihui 0:e910d9bb040f 36
yihui 0:e910d9bb040f 37 // The Nordic UART Service
yihui 0:e910d9bb040f 38 uint8_t uart_base_uuid[] = {0x6e, 0x40, 0x01, 0x00, 0xb5, 0xa3, 0xf3, 0x93, 0xe0, 0xa9, 0xe5,0x0e, 0x24, 0xdc, 0xca, 0x9e};
yihui 0:e910d9bb040f 39 uint8_t txPayload[8] = {0,};
yihui 0:e910d9bb040f 40 uint8_t rxPayload[8] = {0,};
yihui 0:e910d9bb040f 41 GattService uartService (uart_base_uuid);
yihui 0:e910d9bb040f 42 GattCharacteristic txCharacteristic (BLE_UUID_NUS_TX_CHARACTERISTIC, 1, 8,
yihui 0:e910d9bb040f 43 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE);
yihui 0:e910d9bb040f 44 GattCharacteristic rxCharacteristic (BLE_UUID_NUS_RX_CHARACTERISTIC, 1, 8,
yihui 0:e910d9bb040f 45 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
yihui 0:e910d9bb040f 46
yihui 0:e910d9bb040f 47 /* Advertising data and parameters */
yihui 0:e910d9bb040f 48 GapAdvertisingData advData;
yihui 0:e910d9bb040f 49 GapAdvertisingData scanResponse;
yihui 0:e910d9bb040f 50 GapAdvertisingParams advParams ( GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED );
yihui 0:e910d9bb040f 51
yihui 0:e910d9bb040f 52 uint16_t uuid16_list[] = {BLE_UUID_NUS_SERVICE};
yihui 0:e910d9bb040f 53
yihui 0:e910d9bb040f 54 /**************************************************************************/
yihui 0:e910d9bb040f 55 /*!
yihui 0:e910d9bb040f 56 @brief This custom class can be used to override any GapEvents
yihui 0:e910d9bb040f 57 that you are interested in handling on an application level.
yihui 0:e910d9bb040f 58 */
yihui 0:e910d9bb040f 59 /**************************************************************************/
yihui 0:e910d9bb040f 60 class GapEventHandler : public GapEvents
yihui 0:e910d9bb040f 61 {
yihui 0:e910d9bb040f 62 //virtual void onTimeout(void) {}
yihui 0:e910d9bb040f 63
yihui 0:e910d9bb040f 64 virtual void onConnected(void) {
yihui 0:e910d9bb040f 65 advertisingStateLed = 0;
yihui 0:e910d9bb040f 66 LOG("Connected!\n\r");
yihui 0:e910d9bb040f 67 }
yihui 0:e910d9bb040f 68
yihui 0:e910d9bb040f 69 /* When a client device disconnects we need to start advertising again. */
yihui 0:e910d9bb040f 70 virtual void onDisconnected(void) {
yihui 0:e910d9bb040f 71 nrf.getGap().startAdvertising(advParams);
yihui 0:e910d9bb040f 72 advertisingStateLed = 1;
yihui 0:e910d9bb040f 73 LOG("Disconnected!\n\r");
yihui 0:e910d9bb040f 74 LOG("Restarting the advertising process\n\r");
yihui 0:e910d9bb040f 75 }
yihui 0:e910d9bb040f 76 };
yihui 0:e910d9bb040f 77
yihui 0:e910d9bb040f 78 /**************************************************************************/
yihui 0:e910d9bb040f 79 /*!
yihui 0:e910d9bb040f 80 @brief This custom class can be used to override any GattServerEvents
yihui 0:e910d9bb040f 81 that you are interested in handling on an application level.
yihui 0:e910d9bb040f 82 */
yihui 0:e910d9bb040f 83 /**************************************************************************/
yihui 0:e910d9bb040f 84 class GattServerEventHandler : public GattServerEvents
yihui 0:e910d9bb040f 85 {
yihui 0:e910d9bb040f 86 virtual void onDataSent(uint16_t charHandle) {
yihui 0:e910d9bb040f 87 if (charHandle == txCharacteristic.handle) {
yihui 0:e910d9bb040f 88 LOG("onDataSend()\n\r");
yihui 0:e910d9bb040f 89
yihui 0:e910d9bb040f 90 }
yihui 0:e910d9bb040f 91 }
yihui 0:e910d9bb040f 92
yihui 0:e910d9bb040f 93 virtual void onDataWritten(uint16_t charHandle) {
yihui 0:e910d9bb040f 94 if (charHandle == txCharacteristic.handle) {
yihui 0:e910d9bb040f 95 LOG("onDataWritten()\n\r");
yihui 0:e910d9bb040f 96 nrf.getGattServer().readValue(txCharacteristic.handle, txPayload, 8); // Current APIs don't provide the length of the payload
yihui 0:e910d9bb040f 97 LOG("ECHO: %s\n\r", (char *)txPayload);
yihui 0:e910d9bb040f 98 nrf.getGattServer().updateValue(rxCharacteristic.handle, txPayload, 8);
yihui 0:e910d9bb040f 99 }
yihui 0:e910d9bb040f 100 }
yihui 0:e910d9bb040f 101
yihui 0:e910d9bb040f 102 virtual void onUpdatesEnabled(uint16_t charHandle) {
yihui 0:e910d9bb040f 103 LOG("onUpdateEnabled\n\r");
yihui 0:e910d9bb040f 104 }
yihui 0:e910d9bb040f 105
yihui 0:e910d9bb040f 106 virtual void onUpdatesDisabled(uint16_t charHandle) {
yihui 0:e910d9bb040f 107 LOG("onUpdatesDisabled\n\r");
yihui 0:e910d9bb040f 108 }
yihui 0:e910d9bb040f 109
yihui 0:e910d9bb040f 110 //virtual void onConfirmationReceived(uint16_t charHandle) {}
yihui 0:e910d9bb040f 111 };
yihui 0:e910d9bb040f 112
yihui 0:e910d9bb040f 113 /**************************************************************************/
yihui 0:e910d9bb040f 114 /*!
yihui 0:e910d9bb040f 115 @brief Program entry point
yihui 0:e910d9bb040f 116 */
yihui 0:e910d9bb040f 117 /**************************************************************************/
yihui 0:e910d9bb040f 118 int main(void)
yihui 0:e910d9bb040f 119 {
yihui 0:e910d9bb040f 120
yihui 0:e910d9bb040f 121 /* Setup an event handler for GAP events i.e. Client/Server connection events. */
yihui 0:e910d9bb040f 122 nrf.getGap().setEventHandler(new GapEventHandler());
yihui 0:e910d9bb040f 123 nrf.getGattServer().setEventHandler(new GattServerEventHandler());
yihui 0:e910d9bb040f 124
yihui 0:e910d9bb040f 125 /* Initialise the nRF51822 */
yihui 0:e910d9bb040f 126 nrf.init();
yihui 0:e910d9bb040f 127
yihui 0:e910d9bb040f 128 /* Make sure we get a clean start */
yihui 0:e910d9bb040f 129 nrf.reset();
yihui 0:e910d9bb040f 130
yihui 0:e910d9bb040f 131 /* Add BLE-Only flag and complete service list to the advertising data */
yihui 0:e910d9bb040f 132 advData.addFlags(GapAdvertisingData::BREDR_NOT_SUPPORTED);
yihui 0:e910d9bb040f 133 advData.addData(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS,
yihui 0:e910d9bb040f 134 (uint8_t*)uuid16_list, sizeof(uuid16_list));
yihui 0:e910d9bb040f 135
yihui 0:e910d9bb040f 136 advData.addData(GapAdvertisingData::SHORTENED_LOCAL_NAME,
yihui 0:e910d9bb040f 137 (uint8_t*)"BLE UART", sizeof("BLE UART") - 1);
yihui 0:e910d9bb040f 138
yihui 0:e910d9bb040f 139 advData.addAppearance(GapAdvertisingData::UNKNOWN);
yihui 0:e910d9bb040f 140 nrf.getGap().setAdvertisingData(advData, scanResponse);
yihui 0:e910d9bb040f 141
yihui 0:e910d9bb040f 142 /* UART Service */
yihui 0:e910d9bb040f 143 uartService.addCharacteristic(rxCharacteristic);
yihui 0:e910d9bb040f 144 uartService.addCharacteristic(txCharacteristic);
yihui 0:e910d9bb040f 145 nrf.getGattServer().addService(uartService);
yihui 0:e910d9bb040f 146
yihui 0:e910d9bb040f 147 /* Start advertising (make sure you've added all your data first) */
yihui 0:e910d9bb040f 148 nrf.getGap().startAdvertising(advParams);
yihui 0:e910d9bb040f 149
yihui 0:e910d9bb040f 150 advertisingStateLed = 1;
yihui 0:e910d9bb040f 151
yihui 0:e910d9bb040f 152 /* Do blinky on LED1 while we're waiting for BLE events */
yihui 0:e910d9bb040f 153 for (;;) {
yihui 0:e910d9bb040f 154 led1 = !led1;
yihui 0:e910d9bb040f 155 wait(1);
yihui 0:e910d9bb040f 156 }
yihui 0:e910d9bb040f 157 }