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source/main.cpp@19:1998218bbb63, 2018-11-27 (annotated)
- Committer:
 - vazbyte
 - Date:
 - Tue Nov 27 17:01:37 2018 +0000
 - Revision:
 - 19:1998218bbb63
 - Parent:
 - 18:4cbd88c0a374
 - Child:
 - 21:36bd27c83b35
 
App critics will say it's money, cash, toes
Who changed what in which revision?
| User | Revision | Line number | New contents of line | 
|---|---|---|---|
| vazbyte | 0:07212de2fec1 | 1 | #include <events/mbed_events.h> | 
| vazbyte | 3:a33709dad06c | 2 | #include <math.h> | 
| vazbyte | 11:5023e8c93e4d | 3 | |
| vazbyte | 10:8cf4069d064a | 4 | #include <ctime> | 
| vazbyte | 0:07212de2fec1 | 5 | #include <mbed.h> | 
| vazbyte | 1:df8884d38960 | 6 | #include "MPU9250.h" | 
| vazbyte | 0:07212de2fec1 | 7 | #include "ble/BLE.h" | 
| vazbyte | 0:07212de2fec1 | 8 | #include "ble/Gap.h" | 
| vazbyte | 1:df8884d38960 | 9 | #include "ble/services/HeartRateService.h" | 
| vazbyte | 1:df8884d38960 | 10 | |
| vazbyte | 19:1998218bbb63 | 11 | DigitalOut Led0(p3); | 
| vazbyte | 19:1998218bbb63 | 12 | DigitalOut Led1(p4); | 
| vazbyte | 19:1998218bbb63 | 13 | DigitalOut Led2(p28); | 
| vazbyte | 19:1998218bbb63 | 14 | DigitalOut Led3(p29); | 
| vazbyte | 19:1998218bbb63 | 15 | DigitalOut Led4(p30); | 
| vazbyte | 19:1998218bbb63 | 16 | DigitalOut Led5(p31); | 
| vazbyte | 19:1998218bbb63 | 17 | DigitalOut Led6(p11); | 
| vazbyte | 19:1998218bbb63 | 18 | DigitalOut Led7(p12); | 
| vazbyte | 19:1998218bbb63 | 19 | DigitalOut Led8(p13); | 
| vazbyte | 19:1998218bbb63 | 20 | DigitalOut Led9(p14); | 
| vazbyte | 19:1998218bbb63 | 21 | DigitalOut Led10(p15); | 
| vazbyte | 19:1998218bbb63 | 22 | DigitalOut Led11(p16); | 
| vazbyte | 19:1998218bbb63 | 23 | DigitalOut Led12(p17); | 
| vazbyte | 19:1998218bbb63 | 24 | DigitalOut Led13(p18); | 
| vazbyte | 19:1998218bbb63 | 25 | DigitalOut Led14(p19); | 
| vazbyte | 19:1998218bbb63 | 26 | DigitalOut Led15(p20); | 
| vazbyte | 19:1998218bbb63 | 27 | DigitalOut Led16(p22); | 
| vazbyte | 19:1998218bbb63 | 28 | DigitalOut Led17(p23); | 
| vazbyte | 19:1998218bbb63 | 29 | DigitalOut Led18(p24); | 
| vazbyte | 19:1998218bbb63 | 30 | DigitalOut Led19(p25); | 
| vazbyte | 0:07212de2fec1 | 31 | |
| vazbyte | 19:1998218bbb63 | 32 | DigitalIn pb(p8); | 
| vazbyte | 0:07212de2fec1 | 33 | |
| vazbyte | 19:1998218bbb63 | 34 | int USV_count = 1; | 
| vazbyte | 19:1998218bbb63 | 35 | int old_pb = 1; | 
| vazbyte | 19:1998218bbb63 | 36 | int new_pb; | 
| vazbyte | 19:1998218bbb63 | 37 | |
| vazbyte | 1:df8884d38960 | 38 | const static char DEVICE_NAME[] = "ProVaida"; | 
| vazbyte | 1:df8884d38960 | 39 | static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE}; | 
| vazbyte | 19:1998218bbb63 | 40 | short hrmCounter = 0; | 
| vazbyte | 19:1998218bbb63 | 41 | static HeartRateService* hrService; | 
| vazbyte | 19:1998218bbb63 | 42 | |
| vazbyte | 19:1998218bbb63 | 43 | bool BLE_conn = false; | 
| vazbyte | 0:07212de2fec1 | 44 | |
| vazbyte | 4:af0530752b76 | 45 | int16_t destination[3]; | 
| vaida | 9:40874a5c5ad0 | 46 | double step_threshold = 14.45; | 
| vazbyte | 12:3934b9d6d5a3 | 47 | |
| vaida | 9:40874a5c5ad0 | 48 | double oldAcceleration = 0.0; | 
| vaida | 15:a502564c7a88 | 49 | int callback_cycles = 1; // used to be 4 | 
| vazbyte | 13:99ed8a3db67a | 50 | int step; | 
| vazbyte | 19:1998218bbb63 | 51 | int totalsteps = 0; | 
| vazbyte | 19:1998218bbb63 | 52 | |
| vaida | 15:a502564c7a88 | 53 | int run_threshold = 5; // used to be 7 | 
| vaida | 15:a502564c7a88 | 54 | int run_count = 0; | 
| vazbyte | 10:8cf4069d064a | 55 | |
| vazbyte | 4:af0530752b76 | 56 | MPU9250 mpu = MPU9250(P0_26, P0_27); | 
| vazbyte | 0:07212de2fec1 | 57 | |
| vazbyte | 19:1998218bbb63 | 58 | static EventQueue eventQueue(16 * EVENTS_EVENT_SIZE); | 
| vazbyte | 0:07212de2fec1 | 59 | |
| vazbyte | 0:07212de2fec1 | 60 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) | 
| vazbyte | 0:07212de2fec1 | 61 | { | 
| vazbyte | 0:07212de2fec1 | 62 | BLE::Instance().gap().startAdvertising(); | 
| vazbyte | 0:07212de2fec1 | 63 | } | 
| vazbyte | 0:07212de2fec1 | 64 | |
| vazbyte | 19:1998218bbb63 | 65 | void updateSensorValue() { | 
| vazbyte | 19:1998218bbb63 | 66 | wait(.001); | 
| vazbyte | 19:1998218bbb63 | 67 | new_pb = pb; | 
| vazbyte | 19:1998218bbb63 | 68 | if ((new_pb == 0) && (old_pb == 1)) { | 
| vazbyte | 19:1998218bbb63 | 69 | USV_count++; | 
| vazbyte | 19:1998218bbb63 | 70 | printf("count: %i\n", USV_count); | 
| vazbyte | 19:1998218bbb63 | 71 | } | 
| vazbyte | 19:1998218bbb63 | 72 | if (USV_count % 2) { | 
| vazbyte | 19:1998218bbb63 | 73 | step = 0; | 
| vazbyte | 19:1998218bbb63 | 74 | callback_cycles++; | 
| vazbyte | 13:99ed8a3db67a | 75 | |
| vazbyte | 19:1998218bbb63 | 76 | mpu.readAccelData(destination); | 
| vazbyte | 3:a33709dad06c | 77 | |
| vazbyte | 19:1998218bbb63 | 78 | double acc_x = destination[0] / 1000.0; | 
| vazbyte | 19:1998218bbb63 | 79 | double acc_y = destination[1] / 1000.0; | 
| vazbyte | 19:1998218bbb63 | 80 | double acc_z = destination[2] / 1000.0; | 
| vazbyte | 3:a33709dad06c | 81 | |
| vazbyte | 19:1998218bbb63 | 82 | double sqr_acc_x = acc_x*acc_x; | 
| vazbyte | 19:1998218bbb63 | 83 | double sqr_acc_y = acc_y*acc_y; | 
| vazbyte | 19:1998218bbb63 | 84 | double sqr_acc_z = acc_z*acc_z; | 
| vazbyte | 19:1998218bbb63 | 85 | |
| vazbyte | 19:1998218bbb63 | 86 | double sum_acc = sqr_acc_x + sqr_acc_y + sqr_acc_z; | 
| vazbyte | 19:1998218bbb63 | 87 | double accel = sqrt(sum_acc); | 
| vazbyte | 3:a33709dad06c | 88 | |
| vazbyte | 19:1998218bbb63 | 89 | if (accel < step_threshold && oldAcceleration >= step_threshold && (callback_cycles > 3)) { | 
| vazbyte | 19:1998218bbb63 | 90 | if (callback_cycles <= run_threshold) { | 
| vazbyte | 19:1998218bbb63 | 91 | if (run_count >= 2) { | 
| vazbyte | 19:1998218bbb63 | 92 | step = 2; | 
| vazbyte | 19:1998218bbb63 | 93 | } | 
| vazbyte | 19:1998218bbb63 | 94 | else { | 
| vazbyte | 19:1998218bbb63 | 95 | step = 1; | 
| vazbyte | 19:1998218bbb63 | 96 | run_count++; | 
| vazbyte | 19:1998218bbb63 | 97 | } | 
| vaida | 15:a502564c7a88 | 98 | } | 
| vaida | 15:a502564c7a88 | 99 | else { | 
| vaida | 16:567f06e22645 | 100 | step = 1; | 
| vazbyte | 19:1998218bbb63 | 101 | run_count = 0; | 
| vaida | 15:a502564c7a88 | 102 | } | 
| vazbyte | 19:1998218bbb63 | 103 | callback_cycles = 0; | 
| vaida | 15:a502564c7a88 | 104 | } | 
| vazbyte | 19:1998218bbb63 | 105 | if (step != 0) | 
| vazbyte | 19:1998218bbb63 | 106 | { | 
| vazbyte | 19:1998218bbb63 | 107 | totalsteps++; | 
| vazbyte | 19:1998218bbb63 | 108 | Led0 = ((totalsteps >> 0) % 2); | 
| vazbyte | 19:1998218bbb63 | 109 | Led1 = ((totalsteps >> 1) % 2); | 
| vazbyte | 19:1998218bbb63 | 110 | Led2 = ((totalsteps >> 2) % 2); | 
| vazbyte | 19:1998218bbb63 | 111 | Led3 = ((totalsteps >> 3) % 2); | 
| vazbyte | 19:1998218bbb63 | 112 | Led4 = ((totalsteps >> 4) % 2); | 
| vazbyte | 19:1998218bbb63 | 113 | Led5 = ((totalsteps >> 5) % 2); | 
| vazbyte | 19:1998218bbb63 | 114 | Led6 = ((totalsteps >> 6) % 2); | 
| vazbyte | 19:1998218bbb63 | 115 | Led7 = ((totalsteps >> 7) % 2); | 
| vazbyte | 19:1998218bbb63 | 116 | Led8 = ((totalsteps >> 8) % 2); | 
| vazbyte | 19:1998218bbb63 | 117 | Led9 = ((totalsteps >> 9) % 2); | 
| vazbyte | 19:1998218bbb63 | 118 | Led10 = ((totalsteps >> 10) % 2); | 
| vazbyte | 19:1998218bbb63 | 119 | Led11 = ((totalsteps >> 11) % 2); | 
| vazbyte | 19:1998218bbb63 | 120 | Led12 = ((totalsteps >> 12) % 2); | 
| vazbyte | 19:1998218bbb63 | 121 | Led13 = ((totalsteps >> 12) % 2); | 
| vazbyte | 19:1998218bbb63 | 122 | Led14 = ((totalsteps >> 14) % 2); | 
| vazbyte | 19:1998218bbb63 | 123 | Led15 = ((totalsteps >> 15) % 2); | 
| vazbyte | 19:1998218bbb63 | 124 | Led16 = ((totalsteps >> 16) % 2); | 
| vazbyte | 19:1998218bbb63 | 125 | Led17 = ((totalsteps >> 17) % 2); | 
| vazbyte | 19:1998218bbb63 | 126 | Led18 = ((totalsteps >> 18) % 2); | 
| vazbyte | 19:1998218bbb63 | 127 | Led19 = ((totalsteps >> 19) % 2); | 
| vazbyte | 19:1998218bbb63 | 128 | if ((totalsteps >> 20) % 2 == 1) { | 
| vazbyte | 19:1998218bbb63 | 129 | totalsteps = 0; | 
| vazbyte | 19:1998218bbb63 | 130 | } | 
| vazbyte | 19:1998218bbb63 | 131 | } | 
| vazbyte | 19:1998218bbb63 | 132 | oldAcceleration = accel; | 
| vazbyte | 17:b4a080229f5c | 133 | |
| vazbyte | 19:1998218bbb63 | 134 | } else if (totalsteps != 0) { | 
| vazbyte | 19:1998218bbb63 | 135 | totalsteps = 0; | 
| vazbyte | 19:1998218bbb63 | 136 | } | 
| vazbyte | 19:1998218bbb63 | 137 | old_pb = new_pb; | 
| vazbyte | 19:1998218bbb63 | 138 | |
| vazbyte | 19:1998218bbb63 | 139 | if (BLE_conn) { | 
| vazbyte | 19:1998218bbb63 | 140 | hrmCounter = (short) step; | 
| vazbyte | 19:1998218bbb63 | 141 | hrService->updateHeartRate(hrmCounter); | 
| vazbyte | 17:b4a080229f5c | 142 | } | 
| vazbyte | 0:07212de2fec1 | 143 | } | 
| vazbyte | 0:07212de2fec1 | 144 | |
| vazbyte | 0:07212de2fec1 | 145 | void blinkCallback(void) | 
| vazbyte | 0:07212de2fec1 | 146 | { | 
| vazbyte | 0:07212de2fec1 | 147 | BLE &ble = BLE::Instance(); | 
| vazbyte | 0:07212de2fec1 | 148 | if (ble.gap().getState().connected) { | 
| vazbyte | 0:07212de2fec1 | 149 | eventQueue.call(updateSensorValue); | 
| vazbyte | 0:07212de2fec1 | 150 | } | 
| vazbyte | 0:07212de2fec1 | 151 | } | 
| vazbyte | 0:07212de2fec1 | 152 | |
| vazbyte | 19:1998218bbb63 | 153 | void onBleInitError(BLE &ble, ble_error_t error) {} | 
| vazbyte | 0:07212de2fec1 | 154 | |
| vazbyte | 0:07212de2fec1 | 155 | void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) | 
| vazbyte | 0:07212de2fec1 | 156 | { | 
| vazbyte | 0:07212de2fec1 | 157 | BLE& ble = params->ble; | 
| vazbyte | 0:07212de2fec1 | 158 | ble_error_t error = params->error; | 
| vazbyte | 0:07212de2fec1 | 159 | |
| vazbyte | 19:1998218bbb63 | 160 | if (error != BLE_ERROR_NONE) { | 
| vazbyte | 0:07212de2fec1 | 161 | onBleInitError(ble, error); | 
| vazbyte | 0:07212de2fec1 | 162 | return; | 
| vazbyte | 0:07212de2fec1 | 163 | } | 
| vazbyte | 0:07212de2fec1 | 164 | |
| vazbyte | 0:07212de2fec1 | 165 | if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { | 
| vazbyte | 0:07212de2fec1 | 166 | return; | 
| vazbyte | 0:07212de2fec1 | 167 | } | 
| vazbyte | 0:07212de2fec1 | 168 | |
| vazbyte | 0:07212de2fec1 | 169 | ble.gap().onDisconnection(disconnectionCallback); | 
| vazbyte | 0:07212de2fec1 | 170 | |
| vazbyte | 1:df8884d38960 | 171 | hrService = new HeartRateService(ble, hrmCounter, HeartRateService::LOCATION_FINGER); | 
| vazbyte | 0:07212de2fec1 | 172 | |
| vazbyte | 0:07212de2fec1 | 173 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); | 
| vazbyte | 0:07212de2fec1 | 174 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *) uuid16_list, sizeof(uuid16_list)); | 
| vazbyte | 0:07212de2fec1 | 175 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *) DEVICE_NAME, sizeof(DEVICE_NAME)); | 
| vazbyte | 0:07212de2fec1 | 176 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); | 
| vazbyte | 19:1998218bbb63 | 177 | ble.gap().setAdvertisingInterval(1000); | 
| vazbyte | 0:07212de2fec1 | 178 | ble.gap().startAdvertising(); | 
| vazbyte | 0:07212de2fec1 | 179 | } | 
| vazbyte | 0:07212de2fec1 | 180 | |
| vazbyte | 0:07212de2fec1 | 181 | void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) { | 
| vazbyte | 0:07212de2fec1 | 182 | BLE &ble = BLE::Instance(); | 
| vazbyte | 0:07212de2fec1 | 183 | eventQueue.call(Callback<void()>(&ble, &BLE::processEvents)); | 
| vazbyte | 0:07212de2fec1 | 184 | } | 
| vazbyte | 0:07212de2fec1 | 185 | |
| vazbyte | 0:07212de2fec1 | 186 | int main() | 
| vazbyte | 19:1998218bbb63 | 187 | { | 
| vazbyte | 19:1998218bbb63 | 188 | |
| vazbyte | 19:1998218bbb63 | 189 | pb.mode(PullUp); | 
| vazbyte | 2:1957a4985d6e | 190 | mpu.initMPU9250(); | 
| vazbyte | 10:8cf4069d064a | 191 | |
| vazbyte | 19:1998218bbb63 | 192 | while (1) { | 
| vazbyte | 19:1998218bbb63 | 193 | updateSensorValue(); | 
| vazbyte | 19:1998218bbb63 | 194 | |
| vazbyte | 19:1998218bbb63 | 195 | BLE &ble = BLE::Instance(); | 
| vazbyte | 19:1998218bbb63 | 196 | ble.onEventsToProcess(scheduleBleEventsProcessing); | 
| vazbyte | 19:1998218bbb63 | 197 | ble.init(bleInitComplete); | 
| vazbyte | 19:1998218bbb63 | 198 | |
| vazbyte | 19:1998218bbb63 | 199 | if (ble.gap().getState().connected) { | 
| vazbyte | 19:1998218bbb63 | 200 | BLE_conn = true; | 
| vazbyte | 19:1998218bbb63 | 201 | //eventQueue.call(updateSensorValue); | 
| vazbyte | 19:1998218bbb63 | 202 | } | 
| vazbyte | 0:07212de2fec1 | 203 | |
| vazbyte | 19:1998218bbb63 | 204 | //eventQueue.dispatch_forever(); | 
| vazbyte | 19:1998218bbb63 | 205 | |
| vazbyte | 19:1998218bbb63 | 206 | wait(0.1); | 
| vazbyte | 19:1998218bbb63 | 207 | } | 
| vazbyte | 0:07212de2fec1 | 208 | |
| vazbyte | 0:07212de2fec1 | 209 | return 0; | 
| vazbyte | 0:07212de2fec1 | 210 | } |