Frank Duignan / Mbed 2 deprecated BLE_BBC_LSM303_MAG

Test program for magnetometer

Dependencies:   mbed AES BLE_API nRF51822 smallAES

main.cpp@3:b9783107a8c4, 2019-09-30 (annotated)

Committer:
f3d
Date:
Mon Sep 30 11:59:42 2019 +0000
Revision:
3:b9783107a8c4
Parent:
2:4871b5ad7938 
Magnetometer for the LSM303

Who changed what in which revision?

UserRevisionLine numberNew contents of line
f3d 0:21352e62003f 1 /* mbed Microcontroller Library
f3d 0:21352e62003f 2 * Copyright (c) 2006-2013 ARM Limited
f3d 0:21352e62003f 3 *
f3d 0:21352e62003f 4 * Licensed under the Apache License, Version 2.0 (the "License");
f3d 0:21352e62003f 5 * you may not use this file except in compliance with the License.
f3d 0:21352e62003f 6 * You may obtain a copy of the License at
f3d 0:21352e62003f 7 *
f3d 0:21352e62003f 8 * http://www.apache.org/licenses/LICENSE-2.0
f3d 0:21352e62003f 9 *
f3d 0:21352e62003f 10 * Unless required by applicable law or agreed to in writing, software
f3d 0:21352e62003f 11 * distributed under the License is distributed on an "AS IS" BASIS,
f3d 0:21352e62003f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
f3d 0:21352e62003f 13 * See the License for the specific language governing permissions and
f3d 0:21352e62003f 14 * limitations under the License.
f3d 0:21352e62003f 15 */
f3d 0:21352e62003f 16
f3d 0:21352e62003f 17 #include "mbed.h"
f3d 0:21352e62003f 18 #include "ble/BLE.h"
f3d 0:21352e62003f 19 #include "LEDService.h"
f3d 2:4871b5ad7938 20 #include "ButtonAService.h"
f3d 2:4871b5ad7938 21 #include "accelService.h"
f3d 3:b9783107a8c4 22 #include "magservice.h"
f3d 0:21352e62003f 23
f3d 0:21352e62003f 24 /*
f3d 0:21352e62003f 25 * All the LEDs on the micro:bit are part of the LED Matrix,
f3d 0:21352e62003f 26 * In order to get simple blinking behaviour, we set column 0
f3d 0:21352e62003f 27 * to be permanently at ground. If you want to use the LEDs as
f3d 0:21352e62003f 28 * a screen, there is a display driver in the micro:bit 'DAL',
f3d 0:21352e62003f 29 */
f3d 0:21352e62003f 30 DigitalOut col1(P0_4, 0);
f3d 0:21352e62003f 31 DigitalOut alivenessLED(P0_13, 0);
f3d 0:21352e62003f 32 DigitalOut actuatedLED(P0_14, 0);
f3d 2:4871b5ad7938 33
f3d 2:4871b5ad7938 34 const static char DEVICE_NAME[] = "front1";
f3d 2:4871b5ad7938 35 //static const uint16_t uuid16_list[] = {LEDService::LED_SERVICE_UUID,ACCELService::ACCEL_SERVICE_UUID,ButtonAService::BUTTONA_SERVICE_UUID};
f3d 3:b9783107a8c4 36 static const uint16_t uuid16_list[] = {0xA012,0xFFF3};
f3d 0:21352e62003f 37
f3d 0:21352e62003f 38 LEDService *ledServicePtr;
f3d 2:4871b5ad7938 39 ButtonAService * btnAServicePtr;
f3d 2:4871b5ad7938 40 ACCELService *AccelServicePtr;
f3d 3:b9783107a8c4 41 MAGService * MagServicePtr;
f3d 0:21352e62003f 42 Ticker ticker;
f3d 0:21352e62003f 43
f3d 0:21352e62003f 44 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
f3d 0:21352e62003f 45 {
f3d 0:21352e62003f 46 BLE::Instance().gap().startAdvertising();
f3d 0:21352e62003f 47 }
f3d 0:21352e62003f 48
f3d 0:21352e62003f 49 void periodicCallback(void)
f3d 0:21352e62003f 50 {
f3d 2:4871b5ad7938 51
f3d 2:4871b5ad7938 52 btnAServicePtr->poll();
f3d 2:4871b5ad7938 53 AccelServicePtr->poll();
f3d 3:b9783107a8c4 54 MagServicePtr->poll();
f3d 2:4871b5ad7938 55 if (btnAServicePtr->GetButtonAState())
f3d 2:4871b5ad7938 56 alivenessLED = 1;
f3d 2:4871b5ad7938 57 else
f3d 2:4871b5ad7938 58 alivenessLED = 0;
f3d 2:4871b5ad7938 59
f3d 0:21352e62003f 60 }
f3d 0:21352e62003f 61
f3d 0:21352e62003f 62 /**
f3d 0:21352e62003f 63 * This callback allows the LEDService to receive updates to the ledState Characteristic.
f3d 0:21352e62003f 64 *
f3d 0:21352e62003f 65 * @param[in] params
f3d 0:21352e62003f 66 * Information about the characterisitc being updated.
f3d 0:21352e62003f 67 */
f3d 0:21352e62003f 68 void onDataWrittenCallback(const GattWriteCallbackParams *params) {
f3d 0:21352e62003f 69 if ((params->handle == ledServicePtr->getValueHandle()) && (params->len == 1)) {
f3d 0:21352e62003f 70 actuatedLED = *(params->data);
f3d 0:21352e62003f 71 }
f3d 0:21352e62003f 72 }
f3d 0:21352e62003f 73
f3d 0:21352e62003f 74 void onDataReadCallback(const GattReadCallbackParams *params) {
f3d 2:4871b5ad7938 75
f3d 2:4871b5ad7938 76
f3d 0:21352e62003f 77 }
f3d 0:21352e62003f 78 /**
f3d 0:21352e62003f 79 * This function is called when the ble initialization process has failed
f3d 0:21352e62003f 80 */
f3d 0:21352e62003f 81 void onBleInitError(BLE &ble, ble_error_t error)
f3d 0:21352e62003f 82 {
f3d 0:21352e62003f 83 /* Initialization error handling should go here */
f3d 0:21352e62003f 84 }
f3d 0:21352e62003f 85
f3d 0:21352e62003f 86 /**
f3d 0:21352e62003f 87 * Callback triggered when the ble initialization process has finished
f3d 0:21352e62003f 88 */
f3d 0:21352e62003f 89 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
f3d 0:21352e62003f 90 {
f3d 0:21352e62003f 91 BLE& ble = params->ble;
f3d 0:21352e62003f 92 ble_error_t error = params->error;
f3d 0:21352e62003f 93
f3d 0:21352e62003f 94 if (error != BLE_ERROR_NONE) {
f3d 0:21352e62003f 95 /* In case of error, forward the error handling to onBleInitError */
f3d 0:21352e62003f 96 onBleInitError(ble, error);
f3d 0:21352e62003f 97 return;
f3d 0:21352e62003f 98 }
f3d 0:21352e62003f 99
f3d 0:21352e62003f 100 /* Ensure that it is the default instance of BLE */
f3d 0:21352e62003f 101 if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
f3d 0:21352e62003f 102 return;
f3d 0:21352e62003f 103 }
f3d 0:21352e62003f 104
f3d 0:21352e62003f 105 ble.gap().onDisconnection(disconnectionCallback);
f3d 0:21352e62003f 106 ble.gattServer().onDataWritten(onDataWrittenCallback);
f3d 2:4871b5ad7938 107 // ble.gattServer().onDataRead(onDataReadCallback); // Nordic Soft device will not call this so have to poll instead
f3d 0:21352e62003f 108
f3d 0:21352e62003f 109 bool initialValueForLEDCharacteristic = false;
f3d 0:21352e62003f 110 ledServicePtr = new LEDService(ble, initialValueForLEDCharacteristic);
f3d 2:4871b5ad7938 111 btnAServicePtr = new ButtonAService(ble);
f3d 2:4871b5ad7938 112 int16_t Tst=0;
f3d 2:4871b5ad7938 113 AccelServicePtr = new ACCELService(ble,Tst);
f3d 3:b9783107a8c4 114 MagServicePtr = new MAGService(ble,Tst);
f3d 0:21352e62003f 115 /* setup advertising */
f3d 0:21352e62003f 116 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
f3d 0:21352e62003f 117 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
f3d 0:21352e62003f 118 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
f3d 0:21352e62003f 119 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
f3d 0:21352e62003f 120 ble.gap().setAdvertisingInterval(1000); /* 1000ms. */
f3d 0:21352e62003f 121 ble.gap().startAdvertising();
f3d 0:21352e62003f 122 }
f3d 0:21352e62003f 123
f3d 0:21352e62003f 124 int main(void)
f3d 0:21352e62003f 125 {
f3d 2:4871b5ad7938 126 ticker.attach(periodicCallback, 1); /* Poll devices every 100ms */
f3d 0:21352e62003f 127
f3d 0:21352e62003f 128 BLE &ble = BLE::Instance();
f3d 0:21352e62003f 129 ble.init(bleInitComplete);
f3d 0:21352e62003f 130
f3d 0:21352e62003f 131 /* SpinWait for initialization to complete. This is necessary because the
f3d 0:21352e62003f 132 * BLE object is used in the main loop below. */
f3d 0:21352e62003f 133 while (ble.hasInitialized() == false) { /* spin loop */ }
f3d 0:21352e62003f 134 while (true) {
f3d 0:21352e62003f 135 ble.waitForEvent();
f3d 0:21352e62003f 136 }
f3d 0:21352e62003f 137 }