BLE LED Tiles / Mbed 2 deprecated BLE_ColorTile

This is a simple program to work with RedBearLab BLE Controller App. Type something from the Terminal to send to the BLEController App or vice verse. Characteristics received from App will print on Terminal.

Dependencies:   BLE_API mbed nRF51822

Fork of nRF51822_SimpleChat by RedBearLab

main.cpp@4:4b070c445de4, 2015-09-08 (annotated)

Committer:
jemiaha
Date:
Tue Sep 08 18:28:50 2015 +0000
Revision:
4:4b070c445de4
Parent:
3:2b4b55b7f467 
Publishing slightly modified sample code. I added the temperature and battery services.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RedBearLab 1:1c058e553423 1 /*
RedBearLab 0:cffe8ac1bdf0 2
RedBearLab 1:1c058e553423 3 Copyright (c) 2012-2014 RedBearLab
RedBearLab 1:1c058e553423 4
RedBearLab 1:1c058e553423 5 Permission is hereby granted, free of charge, to any person obtaining a copy of this software
RedBearLab 1:1c058e553423 6 and associated documentation files (the "Software"), to deal in the Software without restriction,
RedBearLab 1:1c058e553423 7 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
RedBearLab 1:1c058e553423 8 and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
RedBearLab 1:1c058e553423 9 subject to the following conditions:
RedBearLab 1:1c058e553423 10 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
RedBearLab 1:1c058e553423 11
RedBearLab 1:1c058e553423 12 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
RedBearLab 1:1c058e553423 13 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
RedBearLab 1:1c058e553423 14 PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
RedBearLab 1:1c058e553423 15 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
RedBearLab 1:1c058e553423 16 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
RedBearLab 1:1c058e553423 17
RedBearLab 1:1c058e553423 18 */
RedBearLab 1:1c058e553423 19
RedBearLab 1:1c058e553423 20 /*
RedBearLab 1:1c058e553423 21 * The application works with the BLEController iOS/Android App.
RedBearLab 1:1c058e553423 22 * Type something from the Terminal to send
RedBearLab 1:1c058e553423 23 * to the BLEController App or vice verse.
RedBearLab 1:1c058e553423 24 * Characteristics received from App will print on Terminal.
RedBearLab 1:1c058e553423 25 */
RedBearLab 1:1c058e553423 26
RedBearLab 0:cffe8ac1bdf0 27 #include "mbed.h"
RedBearLab 2:4b66b69c7ecb 28 #include "ble/BLE.h"
RedBearLab 0:cffe8ac1bdf0 29
RedBearLab 0:cffe8ac1bdf0 30
RedBearLab 0:cffe8ac1bdf0 31 #define BLE_UUID_TXRX_SERVICE 0x0000 /**< The UUID of the Nordic UART Service. */
RedBearLab 0:cffe8ac1bdf0 32 #define BLE_UUID_TX_CHARACTERISTIC 0x0002 /**< The UUID of the TX Characteristic. */
RedBearLab 0:cffe8ac1bdf0 33 #define BLE_UUIDS_RX_CHARACTERISTIC 0x0003 /**< The UUID of the RX Characteristic. */
RedBearLab 0:cffe8ac1bdf0 34
RedBearLab 0:cffe8ac1bdf0 35 #define TXRX_BUF_LEN 20
RedBearLab 0:cffe8ac1bdf0 36
RedBearLab 2:4b66b69c7ecb 37 BLE ble;
RedBearLab 0:cffe8ac1bdf0 38
RedBearLab 0:cffe8ac1bdf0 39 Serial pc(USBTX, USBRX);
RedBearLab 0:cffe8ac1bdf0 40
RedBearLab 0:cffe8ac1bdf0 41
RedBearLab 0:cffe8ac1bdf0 42 // The Nordic UART Service
RedBearLab 0:cffe8ac1bdf0 43 static const uint8_t uart_base_uuid[] = {0x71, 0x3D, 0, 0, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
RedBearLab 0:cffe8ac1bdf0 44 static const uint8_t uart_tx_uuid[] = {0x71, 0x3D, 0, 3, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
RedBearLab 0:cffe8ac1bdf0 45 static const uint8_t uart_rx_uuid[] = {0x71, 0x3D, 0, 2, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
RedBearLab 0:cffe8ac1bdf0 46 static const uint8_t uart_base_uuid_rev[] = {0x1E, 0x94, 0x8D, 0xF1, 0x48, 0x31, 0x94, 0xBA, 0x75, 0x4C, 0x3E, 0x50, 0, 0, 0x3D, 0x71};
RedBearLab 0:cffe8ac1bdf0 47
RedBearLab 0:cffe8ac1bdf0 48
RedBearLab 0:cffe8ac1bdf0 49 uint8_t txPayload[TXRX_BUF_LEN] = {0,};
RedBearLab 0:cffe8ac1bdf0 50 uint8_t rxPayload[TXRX_BUF_LEN] = {0,};
RedBearLab 0:cffe8ac1bdf0 51
RedBearLab 0:cffe8ac1bdf0 52 static uint8_t rx_buf[TXRX_BUF_LEN];
RedBearLab 0:cffe8ac1bdf0 53 static uint8_t rx_len=0;
RedBearLab 0:cffe8ac1bdf0 54
RedBearLab 0:cffe8ac1bdf0 55
RedBearLab 0:cffe8ac1bdf0 56 GattCharacteristic txCharacteristic (uart_tx_uuid, txPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE);
RedBearLab 0:cffe8ac1bdf0 57
RedBearLab 0:cffe8ac1bdf0 58 GattCharacteristic rxCharacteristic (uart_rx_uuid, rxPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
RedBearLab 0:cffe8ac1bdf0 59
RedBearLab 0:cffe8ac1bdf0 60 GattCharacteristic *uartChars[] = {&txCharacteristic, &rxCharacteristic};
RedBearLab 0:cffe8ac1bdf0 61
RedBearLab 0:cffe8ac1bdf0 62 GattService uartService(uart_base_uuid, uartChars, sizeof(uartChars) / sizeof(GattCharacteristic *));
RedBearLab 0:cffe8ac1bdf0 63
jemiaha 3:2b4b55b7f467 64 // Temperature 0-100 C, simulated
jemiaha 3:2b4b55b7f467 65 static uint8_t temperature = 32;
jemiaha 3:2b4b55b7f467 66 GattCharacteristic tempMeas(GattCharacteristic::UUID_TEMPERATURE_MEASUREMENT_CHAR, (uint8_t *)temperature, sizeof(temperature), sizeof(temperature),
jemiaha 3:2b4b55b7f467 67 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
jemiaha 3:2b4b55b7f467 68 GattCharacteristic *temperatureChars[] = {&tempMeas };
jemiaha 3:2b4b55b7f467 69 // TODO add custom service instead of Heart rate
jemiaha 3:2b4b55b7f467 70 GattService temperatureService(GattService::UUID_HEART_RATE_SERVICE, temperatureChars, sizeof(temperatureChars) / sizeof(GattCharacteristic *));
jemiaha 3:2b4b55b7f467 71
jemiaha 4:4b070c445de4 72
jemiaha 3:2b4b55b7f467 73 static uint8_t batteryLevel = 0xAA;
jemiaha 3:2b4b55b7f467 74 GattCharacteristic batteryPercentage(GattCharacteristic::UUID_BATTERY_LEVEL_CHAR, (uint8_t *)batteryLevel, sizeof(batteryLevel), sizeof(batteryLevel),
jemiaha 3:2b4b55b7f467 75 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
jemiaha 3:2b4b55b7f467 76 GattCharacteristic *batteryChars[] = {&batteryPercentage };
jemiaha 3:2b4b55b7f467 77 GattService batteryService(GattService::UUID_BATTERY_SERVICE, batteryChars, sizeof(batteryChars) / sizeof(GattCharacteristic *));
jemiaha 3:2b4b55b7f467 78
jemiaha 3:2b4b55b7f467 79
jemiaha 3:2b4b55b7f467 80
RedBearLab 0:cffe8ac1bdf0 81
RedBearLab 0:cffe8ac1bdf0 82
RedBearLab 0:cffe8ac1bdf0 83 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
RedBearLab 0:cffe8ac1bdf0 84 {
RedBearLab 0:cffe8ac1bdf0 85 pc.printf("Disconnected \r\n");
RedBearLab 0:cffe8ac1bdf0 86 pc.printf("Restart advertising \r\n");
RedBearLab 0:cffe8ac1bdf0 87 ble.startAdvertising();
RedBearLab 0:cffe8ac1bdf0 88 }
RedBearLab 0:cffe8ac1bdf0 89
RedBearLab 2:4b66b69c7ecb 90 void WrittenHandler(const GattWriteCallbackParams *Handler)
RedBearLab 0:cffe8ac1bdf0 91 {
RedBearLab 0:cffe8ac1bdf0 92 uint8_t buf[TXRX_BUF_LEN];
RedBearLab 0:cffe8ac1bdf0 93 uint16_t bytesRead, index;
RedBearLab 0:cffe8ac1bdf0 94
RedBearLab 2:4b66b69c7ecb 95 if (Handler->handle == txCharacteristic.getValueAttribute().getHandle())
RedBearLab 0:cffe8ac1bdf0 96 {
RedBearLab 0:cffe8ac1bdf0 97 ble.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), buf, &bytesRead);
RedBearLab 0:cffe8ac1bdf0 98 memset(txPayload, 0, TXRX_BUF_LEN);
RedBearLab 0:cffe8ac1bdf0 99 memcpy(txPayload, buf, TXRX_BUF_LEN);
RedBearLab 0:cffe8ac1bdf0 100 pc.printf("WriteHandler \r\n");
RedBearLab 0:cffe8ac1bdf0 101 pc.printf("Length: ");
RedBearLab 0:cffe8ac1bdf0 102 pc.putc(bytesRead);
RedBearLab 0:cffe8ac1bdf0 103 pc.printf("\r\n");
RedBearLab 0:cffe8ac1bdf0 104 pc.printf("Data: ");
RedBearLab 0:cffe8ac1bdf0 105 for(index=0; index<bytesRead; index++)
RedBearLab 0:cffe8ac1bdf0 106 {
RedBearLab 0:cffe8ac1bdf0 107 pc.putc(txPayload[index]);
RedBearLab 0:cffe8ac1bdf0 108 }
RedBearLab 0:cffe8ac1bdf0 109 pc.printf("\r\n");
RedBearLab 0:cffe8ac1bdf0 110 }
RedBearLab 0:cffe8ac1bdf0 111 }
RedBearLab 0:cffe8ac1bdf0 112
RedBearLab 0:cffe8ac1bdf0 113 void uartCB(void)
RedBearLab 0:cffe8ac1bdf0 114 {
RedBearLab 0:cffe8ac1bdf0 115 while(pc.readable())
RedBearLab 0:cffe8ac1bdf0 116 {
RedBearLab 0:cffe8ac1bdf0 117 rx_buf[rx_len++] = pc.getc();
RedBearLab 0:cffe8ac1bdf0 118 if(rx_len>=20 || rx_buf[rx_len-1]=='\0' || rx_buf[rx_len-1]=='\n')
RedBearLab 0:cffe8ac1bdf0 119 {
RedBearLab 0:cffe8ac1bdf0 120 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), rx_buf, rx_len);
RedBearLab 0:cffe8ac1bdf0 121 pc.printf("RecHandler \r\n");
RedBearLab 0:cffe8ac1bdf0 122 pc.printf("Length: ");
RedBearLab 0:cffe8ac1bdf0 123 pc.putc(rx_len);
RedBearLab 0:cffe8ac1bdf0 124 pc.printf("\r\n");
RedBearLab 0:cffe8ac1bdf0 125 rx_len = 0;
RedBearLab 0:cffe8ac1bdf0 126 break;
RedBearLab 0:cffe8ac1bdf0 127 }
RedBearLab 0:cffe8ac1bdf0 128 }
RedBearLab 0:cffe8ac1bdf0 129 }
RedBearLab 0:cffe8ac1bdf0 130
RedBearLab 0:cffe8ac1bdf0 131 int main(void)
RedBearLab 0:cffe8ac1bdf0 132 {
RedBearLab 0:cffe8ac1bdf0 133 ble.init();
RedBearLab 0:cffe8ac1bdf0 134 ble.onDisconnection(disconnectionCallback);
RedBearLab 0:cffe8ac1bdf0 135 ble.onDataWritten(WrittenHandler);
RedBearLab 0:cffe8ac1bdf0 136
RedBearLab 0:cffe8ac1bdf0 137 pc.baud(9600);
RedBearLab 0:cffe8ac1bdf0 138 pc.printf("SimpleChat Init \r\n");
RedBearLab 0:cffe8ac1bdf0 139
RedBearLab 0:cffe8ac1bdf0 140 pc.attach( uartCB , pc.RxIrq);
RedBearLab 0:cffe8ac1bdf0 141 // setup advertising
RedBearLab 0:cffe8ac1bdf0 142 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
RedBearLab 0:cffe8ac1bdf0 143 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
RedBearLab 0:cffe8ac1bdf0 144 ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
RedBearLab 0:cffe8ac1bdf0 145 (const uint8_t *)"Biscuit", sizeof("Biscuit") - 1);
RedBearLab 0:cffe8ac1bdf0 146 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
RedBearLab 0:cffe8ac1bdf0 147 (const uint8_t *)uart_base_uuid_rev, sizeof(uart_base_uuid));
RedBearLab 0:cffe8ac1bdf0 148 // 100ms; in multiples of 0.625ms.
RedBearLab 0:cffe8ac1bdf0 149 ble.setAdvertisingInterval(160);
RedBearLab 0:cffe8ac1bdf0 150
jemiaha 3:2b4b55b7f467 151 //ble.addService(uartService);
jemiaha 3:2b4b55b7f467 152 ble.addService(temperatureService);
jemiaha 3:2b4b55b7f467 153 ble.addService(batteryService);
RedBearLab 0:cffe8ac1bdf0 154
RedBearLab 0:cffe8ac1bdf0 155 ble.startAdvertising();
RedBearLab 0:cffe8ac1bdf0 156 pc.printf("Advertising Start \r\n");
RedBearLab 0:cffe8ac1bdf0 157
RedBearLab 0:cffe8ac1bdf0 158 while(1)
RedBearLab 0:cffe8ac1bdf0 159 {
RedBearLab 0:cffe8ac1bdf0 160 ble.waitForEvent();
RedBearLab 0:cffe8ac1bdf0 161 }
RedBearLab 0:cffe8ac1bdf0 162 }
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