Ian Morgan / Mbed 2 deprecated nRF51822_SimpleChat

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Dependencies:   BLE_API mbed nRF51822

main.cpp@0:2aa689b2aed7, 2015-12-30 (annotated)

Committer:
seeingidog
Date:
Wed Dec 30 16:32:54 2015 +0000
Revision:
0:2aa689b2aed7
ee

Who changed what in which revision?

UserRevisionLine numberNew contents of line
seeingidog 0:2aa689b2aed7 1 /*
seeingidog 0:2aa689b2aed7 2
seeingidog 0:2aa689b2aed7 3 Copyright (c) 2012-2014 RedBearLab
seeingidog 0:2aa689b2aed7 4
seeingidog 0:2aa689b2aed7 5 Permission is hereby granted, free of charge, to any person obtaining a copy of this software
seeingidog 0:2aa689b2aed7 6 and associated documentation files (the "Software"), to deal in the Software without restriction,
seeingidog 0:2aa689b2aed7 7 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
seeingidog 0:2aa689b2aed7 8 and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
seeingidog 0:2aa689b2aed7 9 subject to the following conditions:
seeingidog 0:2aa689b2aed7 10 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
seeingidog 0:2aa689b2aed7 11
seeingidog 0:2aa689b2aed7 12 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
seeingidog 0:2aa689b2aed7 13 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
seeingidog 0:2aa689b2aed7 14 PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
seeingidog 0:2aa689b2aed7 15 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
seeingidog 0:2aa689b2aed7 16 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
seeingidog 0:2aa689b2aed7 17
seeingidog 0:2aa689b2aed7 18 */
seeingidog 0:2aa689b2aed7 19
seeingidog 0:2aa689b2aed7 20 /*
seeingidog 0:2aa689b2aed7 21 * The application works with the BLEController iOS/Android App.
seeingidog 0:2aa689b2aed7 22 * Type something from the Terminal to send
seeingidog 0:2aa689b2aed7 23 * to the BLEController App or vice verse.
seeingidog 0:2aa689b2aed7 24 * Characteristics received from App will print on Terminal.
seeingidog 0:2aa689b2aed7 25 */
seeingidog 0:2aa689b2aed7 26
seeingidog 0:2aa689b2aed7 27 #include "mbed.h"
seeingidog 0:2aa689b2aed7 28 #include "ble/BLE.h"
seeingidog 0:2aa689b2aed7 29
seeingidog 0:2aa689b2aed7 30
seeingidog 0:2aa689b2aed7 31 #define BLE_UUID_TXRX_SERVICE 0x0000 /**< The UUID of the Nordic UART Service. */
seeingidog 0:2aa689b2aed7 32 #define BLE_UUID_TX_CHARACTERISTIC 0x0002 /**< The UUID of the TX Characteristic. */
seeingidog 0:2aa689b2aed7 33 #define BLE_UUIDS_RX_CHARACTERISTIC 0x0003 /**< The UUID of the RX Characteristic. */
seeingidog 0:2aa689b2aed7 34
seeingidog 0:2aa689b2aed7 35 #define TXRX_BUF_LEN 20
seeingidog 0:2aa689b2aed7 36
seeingidog 0:2aa689b2aed7 37 BLE ble;
seeingidog 0:2aa689b2aed7 38
seeingidog 0:2aa689b2aed7 39 Serial pc(USBTX, USBRX);
seeingidog 0:2aa689b2aed7 40
seeingidog 0:2aa689b2aed7 41
seeingidog 0:2aa689b2aed7 42 // The Nordic UART Service
seeingidog 0:2aa689b2aed7 43 static const uint8_t uart_base_uuid[] = {0x71, 0x3D, 0, 0, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
seeingidog 0:2aa689b2aed7 44 static const uint8_t uart_tx_uuid[] = {0x71, 0x3D, 0, 3, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
seeingidog 0:2aa689b2aed7 45 static const uint8_t uart_rx_uuid[] = {0x71, 0x3D, 0, 2, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
seeingidog 0:2aa689b2aed7 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};
seeingidog 0:2aa689b2aed7 47
seeingidog 0:2aa689b2aed7 48
seeingidog 0:2aa689b2aed7 49 uint8_t txPayload[TXRX_BUF_LEN] = {0,};
seeingidog 0:2aa689b2aed7 50 uint8_t rxPayload[TXRX_BUF_LEN] = {0,};
seeingidog 0:2aa689b2aed7 51
seeingidog 0:2aa689b2aed7 52 static uint8_t rx_buf[TXRX_BUF_LEN];
seeingidog 0:2aa689b2aed7 53 static uint8_t rx_len=0;
seeingidog 0:2aa689b2aed7 54
seeingidog 0:2aa689b2aed7 55
seeingidog 0:2aa689b2aed7 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);
seeingidog 0:2aa689b2aed7 57
seeingidog 0:2aa689b2aed7 58 GattCharacteristic rxCharacteristic (uart_rx_uuid, rxPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
seeingidog 0:2aa689b2aed7 59
seeingidog 0:2aa689b2aed7 60 GattCharacteristic *uartChars[] = {&txCharacteristic, &rxCharacteristic};
seeingidog 0:2aa689b2aed7 61
seeingidog 0:2aa689b2aed7 62 GattService uartService(uart_base_uuid, uartChars, sizeof(uartChars) / sizeof(GattCharacteristic *));
seeingidog 0:2aa689b2aed7 63
seeingidog 0:2aa689b2aed7 64
seeingidog 0:2aa689b2aed7 65
seeingidog 0:2aa689b2aed7 66 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
seeingidog 0:2aa689b2aed7 67 {
seeingidog 0:2aa689b2aed7 68 pc.printf("Disconnected \r\n");
seeingidog 0:2aa689b2aed7 69 pc.printf("Restart advertising \r\n");
seeingidog 0:2aa689b2aed7 70 ble.startAdvertising();
seeingidog 0:2aa689b2aed7 71 }
seeingidog 0:2aa689b2aed7 72
seeingidog 0:2aa689b2aed7 73 void WrittenHandler(const GattWriteCallbackParams *Handler)
seeingidog 0:2aa689b2aed7 74 {
seeingidog 0:2aa689b2aed7 75 uint8_t buf[TXRX_BUF_LEN];
seeingidog 0:2aa689b2aed7 76 uint16_t bytesRead, index;
seeingidog 0:2aa689b2aed7 77
seeingidog 0:2aa689b2aed7 78 if (Handler->handle == txCharacteristic.getValueAttribute().getHandle())
seeingidog 0:2aa689b2aed7 79 {
seeingidog 0:2aa689b2aed7 80 ble.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), buf, &bytesRead);
seeingidog 0:2aa689b2aed7 81 memset(txPayload, 0, TXRX_BUF_LEN);
seeingidog 0:2aa689b2aed7 82 memcpy(txPayload, buf, TXRX_BUF_LEN);
seeingidog 0:2aa689b2aed7 83 pc.printf("WriteHandler \r\n");
seeingidog 0:2aa689b2aed7 84 pc.printf("Length: ");
seeingidog 0:2aa689b2aed7 85 pc.putc(bytesRead);
seeingidog 0:2aa689b2aed7 86 pc.printf("\r\n");
seeingidog 0:2aa689b2aed7 87 pc.printf("Data: ");
seeingidog 0:2aa689b2aed7 88 for(index=0; index<bytesRead; index++)
seeingidog 0:2aa689b2aed7 89 {
seeingidog 0:2aa689b2aed7 90 pc.putc(txPayload[index]);
seeingidog 0:2aa689b2aed7 91 }
seeingidog 0:2aa689b2aed7 92 pc.printf("\r\n");
seeingidog 0:2aa689b2aed7 93 }
seeingidog 0:2aa689b2aed7 94 }
seeingidog 0:2aa689b2aed7 95
seeingidog 0:2aa689b2aed7 96 void uartCB(void)
seeingidog 0:2aa689b2aed7 97 {
seeingidog 0:2aa689b2aed7 98 while(pc.readable())
seeingidog 0:2aa689b2aed7 99 {
seeingidog 0:2aa689b2aed7 100 rx_buf[rx_len++] = pc.getc();
seeingidog 0:2aa689b2aed7 101 if(rx_len>=20 || rx_buf[rx_len-1]=='\0' || rx_buf[rx_len-1]=='\n')
seeingidog 0:2aa689b2aed7 102 {
seeingidog 0:2aa689b2aed7 103 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), rx_buf, rx_len);
seeingidog 0:2aa689b2aed7 104 pc.printf("RecHandler \r\n");
seeingidog 0:2aa689b2aed7 105 pc.printf("Length: ");
seeingidog 0:2aa689b2aed7 106 pc.putc(rx_len);
seeingidog 0:2aa689b2aed7 107 pc.printf("\r\n");
seeingidog 0:2aa689b2aed7 108 rx_len = 0;
seeingidog 0:2aa689b2aed7 109 break;
seeingidog 0:2aa689b2aed7 110 }
seeingidog 0:2aa689b2aed7 111 }
seeingidog 0:2aa689b2aed7 112 }
seeingidog 0:2aa689b2aed7 113
seeingidog 0:2aa689b2aed7 114 int main(void)
seeingidog 0:2aa689b2aed7 115 {
seeingidog 0:2aa689b2aed7 116 ble.init();
seeingidog 0:2aa689b2aed7 117 ble.onDisconnection(disconnectionCallback);
seeingidog 0:2aa689b2aed7 118 ble.onDataWritten(WrittenHandler);
seeingidog 0:2aa689b2aed7 119
seeingidog 0:2aa689b2aed7 120 pc.baud(9600);
seeingidog 0:2aa689b2aed7 121 pc.printf("SimpleChat Init \r\n");
seeingidog 0:2aa689b2aed7 122
seeingidog 0:2aa689b2aed7 123 pc.attach( uartCB , pc.RxIrq);
seeingidog 0:2aa689b2aed7 124 // setup advertising
seeingidog 0:2aa689b2aed7 125 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
seeingidog 0:2aa689b2aed7 126 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
seeingidog 0:2aa689b2aed7 127 ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
seeingidog 0:2aa689b2aed7 128 (const uint8_t *)"Biscuit", sizeof("Biscuit") - 1);
seeingidog 0:2aa689b2aed7 129 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
seeingidog 0:2aa689b2aed7 130 (const uint8_t *)uart_base_uuid_rev, sizeof(uart_base_uuid));
seeingidog 0:2aa689b2aed7 131 // 100ms; in multiples of 0.625ms.
seeingidog 0:2aa689b2aed7 132 ble.setAdvertisingInterval(160);
seeingidog 0:2aa689b2aed7 133
seeingidog 0:2aa689b2aed7 134 ble.addService(uartService);
seeingidog 0:2aa689b2aed7 135
seeingidog 0:2aa689b2aed7 136 ble.startAdvertising();
seeingidog 0:2aa689b2aed7 137 pc.printf("Advertising Start \r\n");
seeingidog 0:2aa689b2aed7 138
seeingidog 0:2aa689b2aed7 139 while(1)
seeingidog 0:2aa689b2aed7 140 {
seeingidog 0:2aa689b2aed7 141 ble.waitForEvent();
seeingidog 0:2aa689b2aed7 142 }
seeingidog 0:2aa689b2aed7 143 }
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