PK LI / Mbed 2 deprecated BLE_uartservice

uart rx receive data then send data from UARTSERVICE

Dependencies:   BLE_API mbed nRF51822

main.cpp@0:34ffb40dd1ac, 2016-11-10 (annotated)

Committer:
li991001
Date:
Thu Nov 10 00:42:03 2016 +0000
Revision:
0:34ffb40dd1ac
add uart rx

Who changed what in which revision?

UserRevisionLine numberNew contents of line
li991001 0:34ffb40dd1ac 1 /* mbed Microcontroller Library
li991001 0:34ffb40dd1ac 2 * Copyright (c) 2006-2013 ARM Limited
li991001 0:34ffb40dd1ac 3 *
li991001 0:34ffb40dd1ac 4 * Licensed under the Apache License, Version 2.0 (the "License");
li991001 0:34ffb40dd1ac 5 * you may not use this file except in compliance with the License.
li991001 0:34ffb40dd1ac 6 * You may obtain a copy of the License at
li991001 0:34ffb40dd1ac 7 *
li991001 0:34ffb40dd1ac 8 * http://www.apache.org/licenses/LICENSE-2.0
li991001 0:34ffb40dd1ac 9 *
li991001 0:34ffb40dd1ac 10 * Unless required by applicable law or agreed to in writing, software
li991001 0:34ffb40dd1ac 11 * distributed under the License is distributed on an "AS IS" BASIS,
li991001 0:34ffb40dd1ac 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
li991001 0:34ffb40dd1ac 13 * See the License for the specific language governing permissions and
li991001 0:34ffb40dd1ac 14 * limitations under the License.
li991001 0:34ffb40dd1ac 15 */
li991001 0:34ffb40dd1ac 16
li991001 0:34ffb40dd1ac 17 #include "mbed.h"
li991001 0:34ffb40dd1ac 18 #include "ble/BLE.h"
li991001 0:34ffb40dd1ac 19
li991001 0:34ffb40dd1ac 20 #include "ble/services/UARTService.h"
li991001 0:34ffb40dd1ac 21 #include "Serial.h"
li991001 0:34ffb40dd1ac 22
li991001 0:34ffb40dd1ac 23 #define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console;
li991001 0:34ffb40dd1ac 24 * it will have an impact on code-size and power consumption. */
li991001 0:34ffb40dd1ac 25
li991001 0:34ffb40dd1ac 26 #if NEED_CONSOLE_OUTPUT
li991001 0:34ffb40dd1ac 27 #define DEBUG(...) { printf(__VA_ARGS__); }
li991001 0:34ffb40dd1ac 28 #else
li991001 0:34ffb40dd1ac 29 #define DEBUG(...) /* nothing */
li991001 0:34ffb40dd1ac 30 #endif /* #if NEED_CONSOLE_OUTPUT */
li991001 0:34ffb40dd1ac 31
li991001 0:34ffb40dd1ac 32 BLEDevice ble;
li991001 0:34ffb40dd1ac 33 DigitalOut led1(LED1);
li991001 0:34ffb40dd1ac 34
li991001 0:34ffb40dd1ac 35 Serial uart1(USBTX,USBRX);
li991001 0:34ffb40dd1ac 36
li991001 0:34ffb40dd1ac 37 UARTService *uartServicePtr;
li991001 0:34ffb40dd1ac 38
li991001 0:34ffb40dd1ac 39 uint8_t sFlag = 0;
li991001 0:34ffb40dd1ac 40
li991001 0:34ffb40dd1ac 41 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
li991001 0:34ffb40dd1ac 42 {
li991001 0:34ffb40dd1ac 43 DEBUG("Disconnected!\n\r");
li991001 0:34ffb40dd1ac 44 DEBUG("Restarting the advertising process\n\r");
li991001 0:34ffb40dd1ac 45 ble.startAdvertising();
li991001 0:34ffb40dd1ac 46 }
li991001 0:34ffb40dd1ac 47
li991001 0:34ffb40dd1ac 48 void connectionCallback(const Gap::ConnectionCallbackParams_t *params) {
li991001 0:34ffb40dd1ac 49
li991001 0:34ffb40dd1ac 50 DEBUG("Connected!\n\r");
li991001 0:34ffb40dd1ac 51
li991001 0:34ffb40dd1ac 52 }
li991001 0:34ffb40dd1ac 53
li991001 0:34ffb40dd1ac 54
li991001 0:34ffb40dd1ac 55 uint8_t b[40]={'a','d','q','w'};
li991001 0:34ffb40dd1ac 56 void onDataWritten1(const GattWriteCallbackParams *params)
li991001 0:34ffb40dd1ac 57 {
li991001 0:34ffb40dd1ac 58
li991001 0:34ffb40dd1ac 59
li991001 0:34ffb40dd1ac 60 if ((uartServicePtr != NULL) && (params->handle == uartServicePtr->getTXCharacteristicHandle())) {
li991001 0:34ffb40dd1ac 61 uint16_t bytesRead = params->len;
li991001 0:34ffb40dd1ac 62 DEBUG("received %u bytes %s\n\r", bytesRead,params->data);
li991001 0:34ffb40dd1ac 63 // if(sFlag == 1)
li991001 0:34ffb40dd1ac 64 // ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t*)b/*params->data*/, 4/*bytesRead*/);
li991001 0:34ffb40dd1ac 65 }
li991001 0:34ffb40dd1ac 66 }
li991001 0:34ffb40dd1ac 67
li991001 0:34ffb40dd1ac 68
li991001 0:34ffb40dd1ac 69 void periodicCallback(void)
li991001 0:34ffb40dd1ac 70 {
li991001 0:34ffb40dd1ac 71 led1 = !led1;
li991001 0:34ffb40dd1ac 72
li991001 0:34ffb40dd1ac 73 }
li991001 0:34ffb40dd1ac 74 uint8_t c;
li991001 0:34ffb40dd1ac 75 void uartRx(void)
li991001 0:34ffb40dd1ac 76 {
li991001 0:34ffb40dd1ac 77
li991001 0:34ffb40dd1ac 78 c = uart1.getc();
li991001 0:34ffb40dd1ac 79
li991001 0:34ffb40dd1ac 80 if(sFlag < 39)
li991001 0:34ffb40dd1ac 81 b[sFlag++] = c;
li991001 0:34ffb40dd1ac 82
li991001 0:34ffb40dd1ac 83 if(c == '\r' || c == '\n' || sFlag == 15)
li991001 0:34ffb40dd1ac 84 {
li991001 0:34ffb40dd1ac 85 ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t*)b/*params->data*/, sFlag/*bytesRead*/);
li991001 0:34ffb40dd1ac 86 sFlag = 0;
li991001 0:34ffb40dd1ac 87 }
li991001 0:34ffb40dd1ac 88 }
li991001 0:34ffb40dd1ac 89
li991001 0:34ffb40dd1ac 90 int main(void)
li991001 0:34ffb40dd1ac 91 {
li991001 0:34ffb40dd1ac 92 led1 = 1;
li991001 0:34ffb40dd1ac 93 uart1.baud(9600);
li991001 0:34ffb40dd1ac 94 Ticker ticker;
li991001 0:34ffb40dd1ac 95 ticker.attach(periodicCallback, 1);
li991001 0:34ffb40dd1ac 96
li991001 0:34ffb40dd1ac 97 uart1.attach(uartRx,Serial::RxIrq);
li991001 0:34ffb40dd1ac 98
li991001 0:34ffb40dd1ac 99 DEBUG("Initialising the nRF51822\n\r");
li991001 0:34ffb40dd1ac 100 ble.init();
li991001 0:34ffb40dd1ac 101 ble.onDisconnection(disconnectionCallback);
li991001 0:34ffb40dd1ac 102 ble.onConnection(connectionCallback);
li991001 0:34ffb40dd1ac 103 ble.onDataWritten(onDataWritten1);
li991001 0:34ffb40dd1ac 104
li991001 0:34ffb40dd1ac 105 /* setup advertising */
li991001 0:34ffb40dd1ac 106 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
li991001 0:34ffb40dd1ac 107 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
li991001 0:34ffb40dd1ac 108 ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
li991001 0:34ffb40dd1ac 109 (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1);
li991001 0:34ffb40dd1ac 110 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
li991001 0:34ffb40dd1ac 111 (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
li991001 0:34ffb40dd1ac 112
li991001 0:34ffb40dd1ac 113 ble.setAdvertisingInterval(1000); /* 1000ms; in multiples of 0.625ms. */
li991001 0:34ffb40dd1ac 114 ble.startAdvertising();
li991001 0:34ffb40dd1ac 115
li991001 0:34ffb40dd1ac 116 UARTService uartService(ble);
li991001 0:34ffb40dd1ac 117 uartServicePtr = &uartService;
li991001 0:34ffb40dd1ac 118
li991001 0:34ffb40dd1ac 119 while (true) {
li991001 0:34ffb40dd1ac 120 ble.waitForEvent();
li991001 0:34ffb40dd1ac 121 }
li991001 0:34ffb40dd1ac 122 }