Eric Tsai / Mbed 2 deprecated BLE_Sensor

BLE ADV sensor for 2-pin interrupt (i.e. window/door sensor w/ reed switch)

Dependencies:   BLE_API mbed nRF51822

Basic door/window sensor for nRF51822 BLE modules.

main.cpp@11:4f925834167d, 2017-07-29 (annotated)

Committer:
electronichamsters
Date:
Sat Jul 29 22:01:45 2017 +0000
Revision:
11:4f925834167d
Parent:
10:79e8f92ef156
Child:
12:9bb01e063498
added spoof checking and changed ADV format

Who changed what in which revision?

UserRevisionLine numberNew contents of line
electronichamsters 10:79e8f92ef156 1 /*
electronichamsters 10:79e8f92ef156 2 Eric Tsai
electronichamsters 8:46c5e0bfab05 3
electronichamsters 10:79e8f92ef156 4 7/29/2017: added clock algorithm to corresond with gateway spoof checking
electronichamsters 10:79e8f92ef156 5
sunsmile2015 0:3dc6e424dba0 6 */
sunsmile2015 0:3dc6e424dba0 7
electronichamsters 8:46c5e0bfab05 8 //required to call the ecb functions
electronichamsters 8:46c5e0bfab05 9 extern "C"
electronichamsters 8:46c5e0bfab05 10 {
electronichamsters 8:46c5e0bfab05 11 #include "nrf_ecb.h"
electronichamsters 8:46c5e0bfab05 12 }
electronichamsters 8:46c5e0bfab05 13
sunsmile2015 0:3dc6e424dba0 14 #include "mbed.h"
rgrover1 5:f4d74a8cad43 15 #include "toolchain.h"
sunsmile2015 0:3dc6e424dba0 16 #include "ble/BLE.h"
sunsmile2015 0:3dc6e424dba0 17 #include "TMP_nrf51/TMP_nrf51.h"
sunsmile2015 0:3dc6e424dba0 18
electronichamsters 8:46c5e0bfab05 19 //comment out when done with debug uart, else eats batteries
electronichamsters 10:79e8f92ef156 20 #define MyDebugEnb 0
electronichamsters 8:46c5e0bfab05 21
electronichamsters 8:46c5e0bfab05 22 //Pin "P0.4" on nRF51822 = mbed "p4".
electronichamsters 8:46c5e0bfab05 23 //InterruptIn is pulled-up. GND the pin to activate.
electronichamsters 8:46c5e0bfab05 24
electronichamsters 8:46c5e0bfab05 25 // waveshare board ******
electronichamsters 8:46c5e0bfab05 26 //InterruptIn button1(p10);
electronichamsters 8:46c5e0bfab05 27 //InterruptIn button2(p11);
electronichamsters 8:46c5e0bfab05 28
electronichamsters 8:46c5e0bfab05 29 // purple board ******
electronichamsters 10:79e8f92ef156 30 //InterruptIn button1(p23);
electronichamsters 10:79e8f92ef156 31 //InterruptIn button2(p24);
electronichamsters 8:46c5e0bfab05 32
electronichamsters 10:79e8f92ef156 33 // universal
electronichamsters 10:79e8f92ef156 34 InterruptIn button1(p0);
electronichamsters 10:79e8f92ef156 35 InterruptIn button2(p1);
electronichamsters 10:79e8f92ef156 36
electronichamsters 11:4f925834167d 37
electronichamsters 8:46c5e0bfab05 38
electronichamsters 8:46c5e0bfab05 39 //Serial device(p9, p11); // tx, rx, purple board and Rigado
electronichamsters 8:46c5e0bfab05 40 #if MyDebugEnb
electronichamsters 8:46c5e0bfab05 41 // if you see ~1mA consumption during sleep, that's because uart is enabled.
electronichamsters 8:46c5e0bfab05 42 Serial device(p9, p11); //nRF51822 uart : TX=p9. RX=p11
electronichamsters 8:46c5e0bfab05 43 #endif
electronichamsters 8:46c5e0bfab05 44
electronichamsters 8:46c5e0bfab05 45
electronichamsters 10:79e8f92ef156 46 static Timer myTimer; //timed advertising
electronichamsters 8:46c5e0bfab05 47 static Ticker tic_adv; //stop adv
electronichamsters 8:46c5e0bfab05 48 static Ticker tic_debounce; //debounce I/O
electronichamsters 8:46c5e0bfab05 49 static Ticker tic_periodic; //regular updates
electronichamsters 10:79e8f92ef156 50 static Ticker tic_clock_reset; //resets clock
electronichamsters 10:79e8f92ef156 51 const uint16_t Periodicity = 180; //clock periodicity used for spoof checking, should be 1800 seconds for 30minutes
electronichamsters 8:46c5e0bfab05 52 //static TMP_nrf51 tempSensor;
electronichamsters 8:46c5e0bfab05 53 static bool flag_update_io = false;
electronichamsters 8:46c5e0bfab05 54 static bool flag_periodic_call = false;
electronichamsters 8:46c5e0bfab05 55 static bool flag_detach_adv_tic = false;
electronichamsters 8:46c5e0bfab05 56 static bool flag_set_debounce_tic = false; //not used
electronichamsters 8:46c5e0bfab05 57
electronichamsters 8:46c5e0bfab05 58 //static DigitalOut alivenessLED(LED1, 1);
electronichamsters 8:46c5e0bfab05 59 float mySensor = 2.0f;
electronichamsters 8:46c5e0bfab05 60
electronichamsters 8:46c5e0bfab05 61
electronichamsters 8:46c5e0bfab05 62 /* Optional: Device Name, add for human read-ability */
electronichamsters 8:46c5e0bfab05 63 const static char DEVICE_NAME[] = "CUU";
rgrover1 5:f4d74a8cad43 64
electronichamsters 8:46c5e0bfab05 65 /* You have up to 26 bytes of advertising data to use. */
electronichamsters 8:46c5e0bfab05 66 /*
electronichamsters 8:46c5e0bfab05 67 Advertisement
electronichamsters 8:46c5e0bfab05 68
electronichamsters 8:46c5e0bfab05 69 */
electronichamsters 8:46c5e0bfab05 70 //full with nullls
electronichamsters 8:46c5e0bfab05 71 static uint8_t AdvData[] = {0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0}; /* Example of hex data */
electronichamsters 8:46c5e0bfab05 72 char buffer[10]={0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; //battery analog reading
electronichamsters 10:79e8f92ef156 73 char bat_volt_char[6] = {0, 0, 0, 0, 0, 0};
electronichamsters 10:79e8f92ef156 74 uint8_t Adv_First_Section[10];
electronichamsters 10:79e8f92ef156 75 uint8_t mac_reverse[6] = {0x0,0x0,0x0,0x0,0x0,0x0};
electronichamsters 8:46c5e0bfab05 76 uint8_t magnet_near=0;
electronichamsters 8:46c5e0bfab05 77
electronichamsters 8:46c5e0bfab05 78
electronichamsters 8:46c5e0bfab05 79
electronichamsters 8:46c5e0bfab05 80 static uint8_t key[16] = {0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4};
electronichamsters 8:46c5e0bfab05 81 //26 bytes adv data
electronichamsters 8:46c5e0bfab05 82 static uint8_t encrypted[26] = {0x0,0x0,0x0,0x1,0x1,0x1,0x2,0x2,0x2,0x3,0x3,0x3,0x4,0x4,0x4,0x5,0x5,0x5,0x6,0x6,0x6,0x7,0x7,0x7,0x8,0x8}; /* Example of hex data */
electronichamsters 8:46c5e0bfab05 83 //static uint8_t key_buf[16] = {0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4};
electronichamsters 8:46c5e0bfab05 84 static uint8_t key_buf[16] = {0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x1, 0x2};
electronichamsters 8:46c5e0bfab05 85 static uint8_t src_buf[16] = {0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4};
electronichamsters 8:46c5e0bfab05 86 static uint8_t des_buf[16] = {0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4};
electronichamsters 8:46c5e0bfab05 87
electronichamsters 10:79e8f92ef156 88 uint8_t Xmit_Cnt = 1;
electronichamsters 8:46c5e0bfab05 89 //const static uint8_t AdvData[] = {"ChangeThisData"}; /* Example of character data */
electronichamsters 8:46c5e0bfab05 90
electronichamsters 8:46c5e0bfab05 91
electronichamsters 8:46c5e0bfab05 92
electronichamsters 8:46c5e0bfab05 93 /* **** NOT USED **** */
electronichamsters 8:46c5e0bfab05 94 //16byte UUID loading happens here
electronichamsters 8:46c5e0bfab05 95 //Look at <GapAdvertisingData.h> for rest of definition
sunsmile2015 4:e5fa4c8838db 96 struct ApplicationData_t {
electronichamsters 8:46c5e0bfab05 97 //Byte 0: AppID High Byte
electronichamsters 8:46c5e0bfab05 98 //Byte 1: AppID Low Byte
electronichamsters 8:46c5e0bfab05 99 //Byte 2: sensor High Word
electronichamsters 8:46c5e0bfab05 100 //Byte 3:
electronichamsters 8:46c5e0bfab05 101 //Byte 4:
electronichamsters 8:46c5e0bfab05 102 //Byte 5: sensor Low Byte
electronichamsters 8:46c5e0bfab05 103
electronichamsters 8:46c5e0bfab05 104
electronichamsters 8:46c5e0bfab05 105 //app ID is 16 bit, (0xFEFE)
electronichamsters 8:46c5e0bfab05 106 uint16_t applicationSpecificId; /* An ID used to identify temperature value in the manufacture specific AD data field */
electronichamsters 8:46c5e0bfab05 107
electronichamsters 8:46c5e0bfab05 108 //float = 32-bit.
electronichamsters 8:46c5e0bfab05 109 //tsai: change this to uint32_t!!!
electronichamsters 8:46c5e0bfab05 110 TMP_nrf51::TempSensorValue_t tmpSensorValue; /* this is a float (32-bit), user data */
rgrover1 5:f4d74a8cad43 111 } PACKED;
sunsmile2015 0:3dc6e424dba0 112
electronichamsters 8:46c5e0bfab05 113
electronichamsters 8:46c5e0bfab05 114
electronichamsters 8:46c5e0bfab05 115 void debounce_Callback(void)
electronichamsters 8:46c5e0bfab05 116 {
electronichamsters 8:46c5e0bfab05 117 tic_debounce.detach();
electronichamsters 8:46c5e0bfab05 118 flag_set_debounce_tic = false; //not used
electronichamsters 8:46c5e0bfab05 119 flag_update_io = true; //start advertising
electronichamsters 8:46c5e0bfab05 120 /* Note that the buttonPressedCallback() executes in interrupt context, so it is safer to access
electronichamsters 8:46c5e0bfab05 121 * BLE device API from the main thread. */
electronichamsters 8:46c5e0bfab05 122 //buttonState = PRESSED;
electronichamsters 8:46c5e0bfab05 123 }
electronichamsters 8:46c5e0bfab05 124
electronichamsters 8:46c5e0bfab05 125 //----- button rising ---
electronichamsters 8:46c5e0bfab05 126 void buttonPressedCallback(void)
sunsmile2015 2:b935358da5ba 127 {
electronichamsters 8:46c5e0bfab05 128
electronichamsters 8:46c5e0bfab05 129
electronichamsters 8:46c5e0bfab05 130 //flag_update_io = true;
electronichamsters 8:46c5e0bfab05 131
electronichamsters 8:46c5e0bfab05 132 tic_debounce.attach(debounce_Callback, 1); //ok to attach multiple times, first one wins
electronichamsters 8:46c5e0bfab05 133
electronichamsters 8:46c5e0bfab05 134
electronichamsters 8:46c5e0bfab05 135 //buttonState = PRESSED;
electronichamsters 8:46c5e0bfab05 136
electronichamsters 8:46c5e0bfab05 137 /*
electronichamsters 8:46c5e0bfab05 138 if (flag_set_debounce_tic == false)
electronichamsters 8:46c5e0bfab05 139 {
electronichamsters 8:46c5e0bfab05 140 flag_set_debounce_tic = true;
electronichamsters 8:46c5e0bfab05 141
electronichamsters 8:46c5e0bfab05 142 }
electronichamsters 8:46c5e0bfab05 143 */
electronichamsters 8:46c5e0bfab05 144 }
rgrover1 5:f4d74a8cad43 145
electronichamsters 8:46c5e0bfab05 146 //----- button falling ---
electronichamsters 8:46c5e0bfab05 147 void buttonReleasedCallback(void)
electronichamsters 8:46c5e0bfab05 148 {
electronichamsters 8:46c5e0bfab05 149
electronichamsters 8:46c5e0bfab05 150
electronichamsters 8:46c5e0bfab05 151 //flag_update_io = true;
electronichamsters 8:46c5e0bfab05 152
electronichamsters 8:46c5e0bfab05 153 tic_debounce.attach(debounce_Callback, 1);
electronichamsters 8:46c5e0bfab05 154
electronichamsters 8:46c5e0bfab05 155
electronichamsters 8:46c5e0bfab05 156
electronichamsters 8:46c5e0bfab05 157 }
electronichamsters 8:46c5e0bfab05 158
electronichamsters 8:46c5e0bfab05 159
electronichamsters 8:46c5e0bfab05 160 void stop_adv_Callback(void)
electronichamsters 8:46c5e0bfab05 161 {
electronichamsters 8:46c5e0bfab05 162 //stops advertising after X seconds
electronichamsters 8:46c5e0bfab05 163 /* Note that the Callback() executes in interrupt context, so it is safer to do
rgrover1 5:f4d74a8cad43 164 * heavy-weight sensor polling from the main thread (where we should be able to block safely, if needed). */
electronichamsters 8:46c5e0bfab05 165
electronichamsters 8:46c5e0bfab05 166 //tic_adv.detach();
electronichamsters 8:46c5e0bfab05 167
electronichamsters 8:46c5e0bfab05 168 flag_detach_adv_tic = true;
electronichamsters 8:46c5e0bfab05 169 //ble.gap().stopAdvertising();
electronichamsters 8:46c5e0bfab05 170
electronichamsters 8:46c5e0bfab05 171
electronichamsters 8:46c5e0bfab05 172 }
electronichamsters 8:46c5e0bfab05 173
electronichamsters 8:46c5e0bfab05 174
electronichamsters 8:46c5e0bfab05 175
electronichamsters 8:46c5e0bfab05 176
electronichamsters 8:46c5e0bfab05 177
electronichamsters 8:46c5e0bfab05 178 void periodic_Callback(void)
electronichamsters 8:46c5e0bfab05 179 {
electronichamsters 8:46c5e0bfab05 180 flag_update_io = true;
electronichamsters 8:46c5e0bfab05 181 flag_periodic_call = true;
sunsmile2015 4:e5fa4c8838db 182 }
sunsmile2015 4:e5fa4c8838db 183
electronichamsters 10:79e8f92ef156 184 void clock_reset_Callback(void)
electronichamsters 10:79e8f92ef156 185 {
electronichamsters 10:79e8f92ef156 186 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 187 device.printf("===== reset timer =====");
electronichamsters 10:79e8f92ef156 188 device.printf("\r\n");
electronichamsters 10:79e8f92ef156 189 #endif
electronichamsters 10:79e8f92ef156 190 myTimer.reset();
electronichamsters 10:79e8f92ef156 191 };
electronichamsters 10:79e8f92ef156 192
rgrover1 5:f4d74a8cad43 193 void setupApplicationData(ApplicationData_t &appData)
sunsmile2015 4:e5fa4c8838db 194 {
electronichamsters 8:46c5e0bfab05 195 // two byte ID: 0xFEFE
electronichamsters 8:46c5e0bfab05 196 static const uint16_t APP_SPECIFIC_ID_TEST = 0xFEFE; //2 byte application ID
andresag 7:0a8bbb6dea16 197
sunsmile2015 4:e5fa4c8838db 198 appData.applicationSpecificId = APP_SPECIFIC_ID_TEST;
electronichamsters 8:46c5e0bfab05 199 //appData.tmpSensorValue = tempSensor.get();
electronichamsters 8:46c5e0bfab05 200 appData.tmpSensorValue = mySensor;
sunsmile2015 0:3dc6e424dba0 201 }
sunsmile2015 0:3dc6e424dba0 202
electronichamsters 8:46c5e0bfab05 203
electronichamsters 8:46c5e0bfab05 204
andresag 7:0a8bbb6dea16 205 /**
andresag 7:0a8bbb6dea16 206 * This function is called when the ble initialization process has failled
andresag 7:0a8bbb6dea16 207 */
andresag 7:0a8bbb6dea16 208 void onBleInitError(BLE &ble, ble_error_t error)
andresag 7:0a8bbb6dea16 209 {
andresag 7:0a8bbb6dea16 210 /* Initialization error handling should go here */
andresag 7:0a8bbb6dea16 211 }
andresag 7:0a8bbb6dea16 212
andresag 7:0a8bbb6dea16 213 /**
andresag 7:0a8bbb6dea16 214 * Callback triggered when the ble initialization process has finished
andresag 7:0a8bbb6dea16 215 */
andresag 7:0a8bbb6dea16 216 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
sunsmile2015 2:b935358da5ba 217 {
andresag 7:0a8bbb6dea16 218 BLE& ble = params->ble;
andresag 7:0a8bbb6dea16 219 ble_error_t error = params->error;
andresag 7:0a8bbb6dea16 220
andresag 7:0a8bbb6dea16 221 if (error != BLE_ERROR_NONE) {
andresag 7:0a8bbb6dea16 222 /* In case of error, forward the error handling to onBleInitError */
andresag 7:0a8bbb6dea16 223 onBleInitError(ble, error);
andresag 7:0a8bbb6dea16 224 return;
andresag 7:0a8bbb6dea16 225 }
andresag 7:0a8bbb6dea16 226
andresag 7:0a8bbb6dea16 227 /* Ensure that it is the default instance of BLE */
andresag 7:0a8bbb6dea16 228 if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
andresag 7:0a8bbb6dea16 229 return;
andresag 7:0a8bbb6dea16 230 }
electronichamsters 8:46c5e0bfab05 231
electronichamsters 8:46c5e0bfab05 232 /* Set device name characteristic data */
electronichamsters 8:46c5e0bfab05 233 ble.gap().setDeviceName((const uint8_t *) DEVICE_NAME);
andresag 7:0a8bbb6dea16 234
rgrover1 5:f4d74a8cad43 235 /* Setup advertising payload */
electronichamsters 8:46c5e0bfab05 236 //set modes "no EDR", "discoverable" for beacon type advertisements
rgrover1 5:f4d74a8cad43 237 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
electronichamsters 8:46c5e0bfab05 238
electronichamsters 11:4f925834167d 239
electronichamsters 8:46c5e0bfab05 240
electronichamsters 8:46c5e0bfab05 241 //from GAP example
electronichamsters 8:46c5e0bfab05 242 /* Sacrifice 2B of 31B to AdvType overhead, rest goes to AdvData array you define */
electronichamsters 8:46c5e0bfab05 243 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData));
electronichamsters 8:46c5e0bfab05 244
electronichamsters 8:46c5e0bfab05 245 /* Setup advertising parameters: not connectable */
electronichamsters 8:46c5e0bfab05 246 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
electronichamsters 8:46c5e0bfab05 247 ble.gap().setAdvertisingInterval(300); //one advertisment every 300ms. Self tickers, so you don't have to worry.
electronichamsters 8:46c5e0bfab05 248
electronichamsters 8:46c5e0bfab05 249
electronichamsters 8:46c5e0bfab05 250
electronichamsters 8:46c5e0bfab05 251 //don't start advertising on init. Only advertise on pin interrupt.
electronichamsters 8:46c5e0bfab05 252 //ble.gap().startAdvertising();
electronichamsters 8:46c5e0bfab05 253 }
electronichamsters 8:46c5e0bfab05 254
electronichamsters 11:4f925834167d 255 //not needed anymore
electronichamsters 8:46c5e0bfab05 256 //https://developer.mbed.org/users/MarceloSalazar/notebook/measuring-battery-voltage-with-nordic-nrf51x/
electronichamsters 8:46c5e0bfab05 257 void my_analogin_init(void)
electronichamsters 8:46c5e0bfab05 258 {
electronichamsters 10:79e8f92ef156 259
electronichamsters 8:46c5e0bfab05 260 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 8:46c5e0bfab05 261 (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 262 //(ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 8:46c5e0bfab05 263 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 8:46c5e0bfab05 264 (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 265 //(ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 8:46c5e0bfab05 266 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 267 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 8:46c5e0bfab05 268 }
sunsmile2015 2:b935358da5ba 269
electronichamsters 8:46c5e0bfab05 270 uint16_t my_analogin_read_u16(void)
electronichamsters 8:46c5e0bfab05 271 {
electronichamsters 10:79e8f92ef156 272 //10 bit resolution, route Vdd as analog input, set ADC ref to VBG band gap
electronichamsters 10:79e8f92ef156 273 //disable analog pin select "PSEL" because we're using Vdd as analog input
electronichamsters 10:79e8f92ef156 274 //no external voltage reference
electronichamsters 10:79e8f92ef156 275 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 10:79e8f92ef156 276 (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 277 //(ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 278 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 10:79e8f92ef156 279 (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 280 //(ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 281 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 282
electronichamsters 10:79e8f92ef156 283 //NRF_ADC->CONFIG &= ~ADC_CONFIG_PSEL_Msk;
electronichamsters 10:79e8f92ef156 284 //NRF_ADC->CONFIG |= ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos;
electronichamsters 10:79e8f92ef156 285 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 10:79e8f92ef156 286 NRF_ADC->TASKS_START = 1;
electronichamsters 10:79e8f92ef156 287
electronichamsters 10:79e8f92ef156 288
electronichamsters 10:79e8f92ef156 289 //while loop doesn't actually loop until reading comlete, use a wait.
electronichamsters 10:79e8f92ef156 290 while (((NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) >> ADC_BUSY_BUSY_Pos) == ADC_BUSY_BUSY_Busy) {};
electronichamsters 10:79e8f92ef156 291 wait_ms(2);
electronichamsters 10:79e8f92ef156 292
electronichamsters 10:79e8f92ef156 293 //save off RESULT before disabling.
electronichamsters 10:79e8f92ef156 294 //uint16_t myresult = (uint16_t)NRF_ADC->RESULT;
electronichamsters 10:79e8f92ef156 295
electronichamsters 10:79e8f92ef156 296 //disable ADC to lower bat consumption
electronichamsters 10:79e8f92ef156 297 NRF_ADC->TASKS_STOP = 1;
electronichamsters 10:79e8f92ef156 298 //NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 10:79e8f92ef156 299
electronichamsters 10:79e8f92ef156 300 return (uint16_t)NRF_ADC->RESULT; // 10 bit
electronichamsters 10:79e8f92ef156 301 //return myresult;
electronichamsters 10:79e8f92ef156 302 }
electronichamsters 10:79e8f92ef156 303
electronichamsters 10:79e8f92ef156 304 uint16_t my_analog_pin_read(void)
electronichamsters 10:79e8f92ef156 305 {
electronichamsters 10:79e8f92ef156 306
electronichamsters 10:79e8f92ef156 307 //10 bit resolution, route PSEL pin as 1/3 input sel,
electronichamsters 10:79e8f92ef156 308 //set ADC ref to VBG band gap
electronichamsters 10:79e8f92ef156 309 //set AnalogInput4 as input pin (this is P0.03)
electronichamsters 10:79e8f92ef156 310 //no external voltage reference
electronichamsters 10:79e8f92ef156 311 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 10:79e8f92ef156 312 //(ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 313 (ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 314 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 10:79e8f92ef156 315 //ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 316 (ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 317 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 318 //set pin select to AnalogInput4 = pin 7 = p0.03 = AIN4
electronichamsters 10:79e8f92ef156 319 //NRF_ADC->CONFIG &= ~ADC_CONFIG_PSEL_Msk;
electronichamsters 10:79e8f92ef156 320 //NRF_ADC->CONFIG |= ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos;
electronichamsters 10:79e8f92ef156 321 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 8:46c5e0bfab05 322 NRF_ADC->TASKS_START = 1;
electronichamsters 8:46c5e0bfab05 323
electronichamsters 8:46c5e0bfab05 324
electronichamsters 8:46c5e0bfab05 325 //while loop doesn't actually loop until reading comlete, use a wait.
electronichamsters 8:46c5e0bfab05 326 while (((NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) >> ADC_BUSY_BUSY_Pos) == ADC_BUSY_BUSY_Busy) {};
electronichamsters 8:46c5e0bfab05 327 wait_ms(2);
electronichamsters 8:46c5e0bfab05 328
electronichamsters 8:46c5e0bfab05 329 //save off RESULT before disabling.
electronichamsters 8:46c5e0bfab05 330 //uint16_t myresult = (uint16_t)NRF_ADC->RESULT;
electronichamsters 8:46c5e0bfab05 331
electronichamsters 8:46c5e0bfab05 332 //disable ADC to lower bat consumption
electronichamsters 8:46c5e0bfab05 333 //NRF_ADC->TASKS_STOP = 1;
electronichamsters 8:46c5e0bfab05 334 //NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 8:46c5e0bfab05 335
electronichamsters 8:46c5e0bfab05 336 return (uint16_t)NRF_ADC->RESULT; // 10 bit
electronichamsters 8:46c5e0bfab05 337 //return myresult;
sunsmile2015 4:e5fa4c8838db 338 }
sunsmile2015 4:e5fa4c8838db 339
electronichamsters 10:79e8f92ef156 340
electronichamsters 10:79e8f92ef156 341 //hash_first_section(Adv_First_Section, mac_reverse, bat_reading);
electronichamsters 10:79e8f92ef156 342 void hash_first_section(uint8_t * dest, const uint8_t * mac_addr, const char * bat_volt_str)
electronichamsters 10:79e8f92ef156 343 {
electronichamsters 10:79e8f92ef156 344 dest[0] = mac_addr[3];
electronichamsters 10:79e8f92ef156 345 dest[1] = mac_addr[2];
electronichamsters 10:79e8f92ef156 346 dest[2] = mac_addr[1];
electronichamsters 10:79e8f92ef156 347 dest[3] = mac_addr[0];
electronichamsters 10:79e8f92ef156 348 dest[4] = bat_volt_str[0];
electronichamsters 10:79e8f92ef156 349 dest[5] = bat_volt_str[1];
electronichamsters 10:79e8f92ef156 350 dest[6] = bat_volt_str[2];
electronichamsters 10:79e8f92ef156 351 dest[7] = bat_volt_str[3];
electronichamsters 10:79e8f92ef156 352 dest[8] = 0x10;
electronichamsters 10:79e8f92ef156 353 dest[9] = 0x11;
electronichamsters 10:79e8f92ef156 354 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 355
electronichamsters 10:79e8f92ef156 356 device.printf("hash array: ");
electronichamsters 10:79e8f92ef156 357 for (int i=0; i<10; i++)
electronichamsters 10:79e8f92ef156 358 {
electronichamsters 10:79e8f92ef156 359 device.printf("%x ", dest[i]);
electronichamsters 10:79e8f92ef156 360 }
electronichamsters 10:79e8f92ef156 361 device.printf("\r\n");
electronichamsters 10:79e8f92ef156 362 #endif
electronichamsters 10:79e8f92ef156 363 }
electronichamsters 10:79e8f92ef156 364
electronichamsters 10:79e8f92ef156 365
electronichamsters 10:79e8f92ef156 366 uint16_t clock_remainder = 0;
electronichamsters 10:79e8f92ef156 367
sunsmile2015 2:b935358da5ba 368 int main(void)
sunsmile2015 2:b935358da5ba 369 {
electronichamsters 8:46c5e0bfab05 370
electronichamsters 8:46c5e0bfab05 371 #if MyDebugEnb
electronichamsters 8:46c5e0bfab05 372 device.baud(9600);
electronichamsters 8:46c5e0bfab05 373 device.printf("started sensor node 36 ");
electronichamsters 8:46c5e0bfab05 374 device.printf("\r\n");
electronichamsters 8:46c5e0bfab05 375 #endif
electronichamsters 8:46c5e0bfab05 376
electronichamsters 8:46c5e0bfab05 377
electronichamsters 8:46c5e0bfab05 378
electronichamsters 10:79e8f92ef156 379 //Timer myTimer; //moved to global
electronichamsters 8:46c5e0bfab05 380 myTimer.start();
electronichamsters 8:46c5e0bfab05 381
electronichamsters 8:46c5e0bfab05 382
electronichamsters 8:46c5e0bfab05 383 button1.fall(buttonPressedCallback);
electronichamsters 8:46c5e0bfab05 384 button1.rise(buttonReleasedCallback);
electronichamsters 8:46c5e0bfab05 385 button1.mode(PullNone);
electronichamsters 8:46c5e0bfab05 386 button1.fall(NULL);
electronichamsters 8:46c5e0bfab05 387 button1.rise(NULL);
sunsmile2015 0:3dc6e424dba0 388
andresag 7:0a8bbb6dea16 389 BLE &ble = BLE::Instance();
andresag 7:0a8bbb6dea16 390 ble.init(bleInitComplete);
electronichamsters 8:46c5e0bfab05 391
electronichamsters 8:46c5e0bfab05 392 //debug uart
electronichamsters 8:46c5e0bfab05 393 //device.baud(115200);
electronichamsters 8:46c5e0bfab05 394 float bat_reading; //hold battery voltage reading (Vbg/Vcc)
electronichamsters 8:46c5e0bfab05 395
electronichamsters 8:46c5e0bfab05 396 my_analogin_init();//routes band-gap to analog input
andresag 7:0a8bbb6dea16 397
andresag 7:0a8bbb6dea16 398 /* SpinWait for initialization to complete. This is necessary because the
andresag 7:0a8bbb6dea16 399 * BLE object is used in the main loop below. */
electronichamsters 8:46c5e0bfab05 400 while (ble.hasInitialized() == false) { /* spin loop */ }
electronichamsters 8:46c5e0bfab05 401
electronichamsters 8:46c5e0bfab05 402 //every X seconds, sends period update, up to 1800 (30 minutes)
electronichamsters 10:79e8f92ef156 403 tic_periodic.attach(periodic_Callback, 1600);
electronichamsters 10:79e8f92ef156 404 tic_clock_reset.attach(clock_reset_Callback, Periodicity);
electronichamsters 10:79e8f92ef156 405
electronichamsters 10:79e8f92ef156 406 //how to generate random number using die tempearature
electronichamsters 10:79e8f92ef156 407 uint32_t myTempRand;
electronichamsters 10:79e8f92ef156 408 uint32_t * p_temp;
electronichamsters 10:79e8f92ef156 409 //get temperature for random number
electronichamsters 10:79e8f92ef156 410 //SVCALL(SD_TEMP_GET, myTempRand, sd_temp_get(p_temp));
electronichamsters 10:79e8f92ef156 411 //sd_temp_get(& myTempRand);
rgrover1 5:f4d74a8cad43 412
electronichamsters 10:79e8f92ef156 413
electronichamsters 10:79e8f92ef156 414 ble.getAddress(0,mac_reverse); //NOTE: last byte of MAC (as shown on phone app) is at mac[0], not mac[6];
electronichamsters 10:79e8f92ef156 415 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 416 device.printf("mac = ");
electronichamsters 10:79e8f92ef156 417 for (int i=0; i<6; i++) //prints out MAC address in reverse order; opps.
electronichamsters 10:79e8f92ef156 418 {
electronichamsters 10:79e8f92ef156 419 device.printf("%x:", mac_reverse[i]);
electronichamsters 10:79e8f92ef156 420 }
electronichamsters 10:79e8f92ef156 421 device.printf("\r\n");
electronichamsters 10:79e8f92ef156 422 #endif
sunsmile2015 0:3dc6e424dba0 423 while (true) {
electronichamsters 10:79e8f92ef156 424 //seconds counts to 35 minutes: mySeconds=2142, then 63392 which should be 2450 but isn't.
electronichamsters 10:79e8f92ef156 425 //00001000,01011110 -> 11110111,10100000
electronichamsters 10:79e8f92ef156 426 uint16_t mySeconds =(uint16_t)(myTimer.read_ms()/1000); //problem: mySeconds is only 2 byte
electronichamsters 10:79e8f92ef156 427 //xmit_cnt++;
electronichamsters 10:79e8f92ef156 428 //if (mySeconds > 1800)
electronichamsters 10:79e8f92ef156 429 //{
electronichamsters 10:79e8f92ef156 430 // myTimer.reset();
electronichamsters 10:79e8f92ef156 431 //clock_remainder = mySeconds - 1800;
electronichamsters 10:79e8f92ef156 432 //}
electronichamsters 10:79e8f92ef156 433 //mySeconds = mySeconds + clock_remainder; l3kjl3
electronichamsters 8:46c5e0bfab05 434
electronichamsters 8:46c5e0bfab05 435 //reading the ADV value, only goes up to 0-255;
electronichamsters 8:46c5e0bfab05 436 //reading the uart: current time in seconds: -1782, goes negative.
electronichamsters 8:46c5e0bfab05 437 //need to be able to count 1800 seconds since that's the length of timer.
electronichamsters 8:46c5e0bfab05 438
electronichamsters 8:46c5e0bfab05 439 #if MyDebugEnb
electronichamsters 8:46c5e0bfab05 440 device.printf("current time in seconds: %d \r\n", mySeconds);
electronichamsters 8:46c5e0bfab05 441 #endif
electronichamsters 8:46c5e0bfab05 442 //**** set which pin should be interrupt, set pullups ***
electronichamsters 8:46c5e0bfab05 443
electronichamsters 8:46c5e0bfab05 444 //set both pins to pull-up, so they're not floating when we read state
electronichamsters 8:46c5e0bfab05 445 button1.mode(PullUp);
electronichamsters 8:46c5e0bfab05 446 button2.mode(PullUp);
electronichamsters 8:46c5e0bfab05 447
electronichamsters 8:46c5e0bfab05 448 //wait_ms(300); //contact settle
electronichamsters 8:46c5e0bfab05 449
electronichamsters 8:46c5e0bfab05 450
electronichamsters 8:46c5e0bfab05 451 //AdvData[12] is automatically CR? why?
electronichamsters 8:46c5e0bfab05 452
electronichamsters 8:46c5e0bfab05 453 //0x33 0x2E 0x33 0x32 0x13
electronichamsters 8:46c5e0bfab05 454 // 3 . 3 2 CR
electronichamsters 8:46c5e0bfab05 455
electronichamsters 8:46c5e0bfab05 456 //expect either button1 or button2 is grounded, b/c using SPDT reed switch
electronichamsters 8:46c5e0bfab05 457 //the "common" pin on the reed switch should be on GND
electronichamsters 8:46c5e0bfab05 458 uint8_t button1_state = button1.read();
electronichamsters 8:46c5e0bfab05 459 uint8_t button2_state = button2.read();
electronichamsters 8:46c5e0bfab05 460
electronichamsters 8:46c5e0bfab05 461
electronichamsters 8:46c5e0bfab05 462 //let's just update the pins on every wake. Insurance against const drain.
electronichamsters 8:46c5e0bfab05 463 //if state == 0, pin is grounded. Unset interrupt and float pin
electronichamsters 8:46c5e0bfab05 464 //set the other input
electronichamsters 8:46c5e0bfab05 465 if ( (button1_state == 0) && (button2_state == 1) )
electronichamsters 8:46c5e0bfab05 466 {
electronichamsters 8:46c5e0bfab05 467 magnet_near = 1;
electronichamsters 8:46c5e0bfab05 468 //AdvData[4] = 0x11; //dont' set ADV data directly. Using json now, need spacing
electronichamsters 8:46c5e0bfab05 469 //button1.disable_irq() //don't know if disables IRQ on port or pin
electronichamsters 8:46c5e0bfab05 470 button1.fall(NULL); //disable interrupt
electronichamsters 8:46c5e0bfab05 471 button1.rise(NULL); //disable interrupt
electronichamsters 8:46c5e0bfab05 472 button1.mode(PullNone); //float pin to save battery
electronichamsters 8:46c5e0bfab05 473
electronichamsters 8:46c5e0bfab05 474 //button2.disable_irq() //don't know if disables IRQ on port or pin
electronichamsters 10:79e8f92ef156 475 button2.fall(buttonReleasedCallback); //enable interrupt
electronichamsters 10:79e8f92ef156 476 button2.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 10:79e8f92ef156 477 button2.mode(PullUp); //pull up on pin to get interrupt
electronichamsters 10:79e8f92ef156 478 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 479 device.printf("=== button 1! %d seconds=== \r\n", mySeconds);
electronichamsters 10:79e8f92ef156 480 #endif
electronichamsters 8:46c5e0bfab05 481 }
electronichamsters 8:46c5e0bfab05 482 else if ( (button1_state == 1) && (button2_state == 0) ) //assume other pin is open circuit
electronichamsters 8:46c5e0bfab05 483 {
electronichamsters 8:46c5e0bfab05 484 magnet_near = 0;
electronichamsters 8:46c5e0bfab05 485 //AdvData[4] = 0x22; //dont' set ADV data directly. Using json now, need spacing
electronichamsters 8:46c5e0bfab05 486 //button1.disable_irq() //don't know if disables IRQ on port or pin
electronichamsters 10:79e8f92ef156 487 button1.fall(buttonReleasedCallback); //enable interrupt
electronichamsters 10:79e8f92ef156 488 button1.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 10:79e8f92ef156 489 button1.mode(PullUp); //pull up on pin to get interrupt
electronichamsters 8:46c5e0bfab05 490
electronichamsters 8:46c5e0bfab05 491 //button2.disable_irq() //don't know if disables IRQ on port or pin
electronichamsters 8:46c5e0bfab05 492 button2.fall(NULL); //disable interrupt
electronichamsters 8:46c5e0bfab05 493 button2.rise(NULL); //disable interrupt
electronichamsters 8:46c5e0bfab05 494 button2.mode(PullNone); //float pin to save battery
electronichamsters 10:79e8f92ef156 495 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 496 device.printf("=== button 2! === %d seconds\r\n", mySeconds);
electronichamsters 10:79e8f92ef156 497 #endif
electronichamsters 8:46c5e0bfab05 498 }
electronichamsters 8:46c5e0bfab05 499 else //odd state, shouldn't happen, suck battery and pullup both pins
electronichamsters 8:46c5e0bfab05 500 {
electronichamsters 8:46c5e0bfab05 501 magnet_near = 2;
electronichamsters 8:46c5e0bfab05 502 //AdvData[4] = 0x33;
electronichamsters 8:46c5e0bfab05 503 //button1.disable_irq() //don't know if disables IRQ on port or pin
electronichamsters 8:46c5e0bfab05 504 button1.fall(buttonReleasedCallback); //disable interrupt
electronichamsters 8:46c5e0bfab05 505 button1.rise(buttonReleasedCallback); //disable interrupt
electronichamsters 8:46c5e0bfab05 506 button1.mode(PullUp); //float pin to save battery
electronichamsters 8:46c5e0bfab05 507
electronichamsters 8:46c5e0bfab05 508 //button2.disable_irq() //don't know if disables IRQ on port or pin
electronichamsters 8:46c5e0bfab05 509 button2.fall(buttonReleasedCallback); //disable interrupt
electronichamsters 8:46c5e0bfab05 510 button2.rise(buttonReleasedCallback); //disable interrupt
electronichamsters 8:46c5e0bfab05 511 button2.mode(PullUp); //float pin to save battery
electronichamsters 10:79e8f92ef156 512 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 513 device.printf("no buttons!! %d seconds\r\n", mySeconds);
electronichamsters 10:79e8f92ef156 514 #endif
electronichamsters 8:46c5e0bfab05 515 }
electronichamsters 8:46c5e0bfab05 516
electronichamsters 8:46c5e0bfab05 517
electronichamsters 8:46c5e0bfab05 518 if (flag_update_io) {
andresag 7:0a8bbb6dea16 519 /* Do blocking calls or whatever hardware-specific action is
andresag 7:0a8bbb6dea16 520 * necessary to poll the sensor. */
electronichamsters 8:46c5e0bfab05 521
electronichamsters 10:79e8f92ef156 522 Xmit_Cnt++; //increment transmit counter when updating I/O
electronichamsters 10:79e8f92ef156 523
electronichamsters 10:79e8f92ef156 524
electronichamsters 10:79e8f92ef156 525 //read battery voltage
electronichamsters 8:46c5e0bfab05 526 //analog reading consumes 940uA if not disabled
electronichamsters 10:79e8f92ef156 527
electronichamsters 10:79e8f92ef156 528
electronichamsters 8:46c5e0bfab05 529 bat_reading = (float)my_analogin_read_u16();
electronichamsters 10:79e8f92ef156 530
electronichamsters 8:46c5e0bfab05 531 bat_reading = (bat_reading * 3.6) / 1024.0;
electronichamsters 8:46c5e0bfab05 532 #if MyDebugEnb
electronichamsters 8:46c5e0bfab05 533 device.printf("bat reading: %f \r\n", bat_reading);
electronichamsters 8:46c5e0bfab05 534 #endif
electronichamsters 8:46c5e0bfab05 535
electronichamsters 8:46c5e0bfab05 536 //memset(&buffer[0], 0, sizeof(buffer)); //clear out buffer
electronichamsters 8:46c5e0bfab05 537 //sprintf (buffer, "%f.2", bat_reading); //don't know what i'm doing
electronichamsters 8:46c5e0bfab05 538 //sprintf (buffer, "%.2f", bat_reading);
electronichamsters 8:46c5e0bfab05 539 //AdvData[8] = buffer[0]; //"3"=0x33
electronichamsters 8:46c5e0bfab05 540 //AdvData[9] = buffer[1]; //"."=0x2E
electronichamsters 8:46c5e0bfab05 541 //AdvData[10] = buffer[2];//"3"=0x33
electronichamsters 8:46c5e0bfab05 542 //AdvData[11] = buffer[3];//"2"=0x32
electronichamsters 8:46c5e0bfab05 543
electronichamsters 10:79e8f92ef156 544 //try this
electronichamsters 10:79e8f92ef156 545 //https://developer.mbed.org/users/mbed_official/code/mbed-src/file/cb4253f91ada/targets/hal/TARGET_NORDIC/TARGET_NRF51822/analogin_api.c
electronichamsters 10:79e8f92ef156 546 NRF_ADC->TASKS_STOP = 1;
electronichamsters 10:79e8f92ef156 547 float analogreading;
electronichamsters 10:79e8f92ef156 548 analogreading = (float)my_analog_pin_read();
electronichamsters 10:79e8f92ef156 549 analogreading = (analogreading * 3.6) / 1024.0;
electronichamsters 10:79e8f92ef156 550 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 551 device.printf("separate analog reading: %.02f \r\n", analogreading);
electronichamsters 10:79e8f92ef156 552 #endif
electronichamsters 10:79e8f92ef156 553
electronichamsters 8:46c5e0bfab05 554 //disable ADC
electronichamsters 8:46c5e0bfab05 555 NRF_ADC->TASKS_STOP = 1;
electronichamsters 8:46c5e0bfab05 556 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 8:46c5e0bfab05 557
electronichamsters 10:79e8f92ef156 558
electronichamsters 10:79e8f92ef156 559
electronichamsters 8:46c5e0bfab05 560 //***********************************
electronichamsters 8:46c5e0bfab05 561 //form JSON string in ADV_DATA
electronichamsters 8:46c5e0bfab05 562 //1) volts starts at AdvData[8]
electronichamsters 8:46c5e0bfab05 563
electronichamsters 8:46c5e0bfab05 564
electronichamsters 8:46c5e0bfab05 565
electronichamsters 8:46c5e0bfab05 566 //write battery voltage
electronichamsters 8:46c5e0bfab05 567 uint8_t total_chars;
electronichamsters 10:79e8f92ef156 568 memset(&bat_volt_char[0], 0, sizeof(bat_volt_char)); //clear out buffer
electronichamsters 10:79e8f92ef156 569 total_chars = sprintf (bat_volt_char, "%.2f", bat_reading); //returns total number of characters
electronichamsters 8:46c5e0bfab05 570
electronichamsters 8:46c5e0bfab05 571 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 572 device.printf("char buff: %c%c%c%c \r\n", bat_volt_char[0], bat_volt_char[1], bat_volt_char[2], bat_volt_char[3]);
electronichamsters 8:46c5e0bfab05 573 device.printf("num chars: %d \r\n", total_chars);
electronichamsters 8:46c5e0bfab05 574 #endif
electronichamsters 8:46c5e0bfab05 575
electronichamsters 10:79e8f92ef156 576
electronichamsters 10:79e8f92ef156 577
electronichamsters 10:79e8f92ef156 578 //memset(&Adv_First_Section[0], 0, sizeof(Adv_First_Section)); //not needed to reset
electronichamsters 10:79e8f92ef156 579 hash_first_section(Adv_First_Section, mac_reverse, bat_volt_char);
electronichamsters 10:79e8f92ef156 580
electronichamsters 10:79e8f92ef156 581
electronichamsters 8:46c5e0bfab05 582
electronichamsters 10:79e8f92ef156 583 //------------------------------------------------------------------
electronichamsters 10:79e8f92ef156 584 //start writing out ADVData array
electronichamsters 10:79e8f92ef156 585 //------------------------------------------------------------------
electronichamsters 10:79e8f92ef156 586
electronichamsters 10:79e8f92ef156 587 memset(&AdvData[0], 0, sizeof(AdvData));
electronichamsters 10:79e8f92ef156 588 uint8_t JSON_loc=0; //AdvData[0]
electronichamsters 10:79e8f92ef156 589
electronichamsters 10:79e8f92ef156 590 AdvData[0] = Adv_First_Section[0]; //AdvData[0] = manf ID 01
electronichamsters 10:79e8f92ef156 591 JSON_loc++; //1
electronichamsters 10:79e8f92ef156 592 AdvData[1] = Adv_First_Section[1]; //AdvData[1] = manf ID 02
electronichamsters 10:79e8f92ef156 593 JSON_loc++; //2
electronichamsters 10:79e8f92ef156 594 AdvData[2] = Adv_First_Section[2]; //AdvData[2] = reserved
electronichamsters 10:79e8f92ef156 595 JSON_loc++; //3...
electronichamsters 10:79e8f92ef156 596 AdvData[3] = Adv_First_Section[3]; //AdvData[3] = reserved
electronichamsters 10:79e8f92ef156 597 JSON_loc++;
electronichamsters 10:79e8f92ef156 598 AdvData[4] = Adv_First_Section[4]; //AdvData[4] = voltage 01
electronichamsters 10:79e8f92ef156 599 JSON_loc++;
electronichamsters 10:79e8f92ef156 600 AdvData[5] = Adv_First_Section[5]; //AdvData[5] = voltage 02
electronichamsters 10:79e8f92ef156 601 JSON_loc++;
electronichamsters 10:79e8f92ef156 602 AdvData[6] = Adv_First_Section[6]; //AdvData[6] = voltage 03
electronichamsters 10:79e8f92ef156 603 JSON_loc++;
electronichamsters 10:79e8f92ef156 604 AdvData[7] = Adv_First_Section[7]; //AdvData[7] = voltage 04
electronichamsters 10:79e8f92ef156 605 JSON_loc++;
electronichamsters 10:79e8f92ef156 606 AdvData[8] = Adv_First_Section[8]; //AdvData[8] = reserved
electronichamsters 10:79e8f92ef156 607 JSON_loc++;
electronichamsters 10:79e8f92ef156 608 AdvData[9] = Adv_First_Section[9]; //AdvData[9] = reserved
electronichamsters 8:46c5e0bfab05 609 JSON_loc++;
electronichamsters 10:79e8f92ef156 610
electronichamsters 10:79e8f92ef156 611 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 612
electronichamsters 10:79e8f92ef156 613 device.printf("ADV first 10 array: ");
electronichamsters 10:79e8f92ef156 614 for (int i=0; i<10; i++)
electronichamsters 10:79e8f92ef156 615 {
electronichamsters 10:79e8f92ef156 616 device.printf("%x ", AdvData[i]);
electronichamsters 10:79e8f92ef156 617 }
electronichamsters 10:79e8f92ef156 618 device.printf("\r\n");
electronichamsters 10:79e8f92ef156 619 #endif
electronichamsters 10:79e8f92ef156 620
electronichamsters 10:79e8f92ef156 621
electronichamsters 10:79e8f92ef156 622 JSON_loc = 10;
electronichamsters 10:79e8f92ef156 623 //start of encrypted data
electronichamsters 10:79e8f92ef156 624 //AdvData[10]
electronichamsters 10:79e8f92ef156 625 AdvData[10] = mySeconds & 0xFF; //reserved for timer
electronichamsters 8:46c5e0bfab05 626 JSON_loc++;
electronichamsters 10:79e8f92ef156 627 AdvData[11] = (mySeconds >> 8) & 0xFF; //reserved for timer
electronichamsters 10:79e8f92ef156 628 JSON_loc++;
electronichamsters 10:79e8f92ef156 629 AdvData[12] = Xmit_Cnt;
electronichamsters 8:46c5e0bfab05 630 JSON_loc++;
electronichamsters 10:79e8f92ef156 631 //start of jason data
electronichamsters 10:79e8f92ef156 632 JSON_loc = 13;
electronichamsters 10:79e8f92ef156 633 AdvData[JSON_loc] = 0x22; //" start mag pos=13
electronichamsters 10:79e8f92ef156 634 JSON_loc++; //14
electronichamsters 8:46c5e0bfab05 635
electronichamsters 10:79e8f92ef156 636 AdvData[JSON_loc] = 0x6d; //m, pos=14
electronichamsters 10:79e8f92ef156 637 JSON_loc++; //15
electronichamsters 10:79e8f92ef156 638
electronichamsters 10:79e8f92ef156 639 AdvData[JSON_loc] = 0x61; //a, pos=15
electronichamsters 10:79e8f92ef156 640 JSON_loc++; //16
electronichamsters 10:79e8f92ef156 641
electronichamsters 10:79e8f92ef156 642 AdvData[JSON_loc] = 0x67; //g, pos=16
electronichamsters 10:79e8f92ef156 643 JSON_loc++; //17
electronichamsters 8:46c5e0bfab05 644
electronichamsters 8:46c5e0bfab05 645 if (flag_periodic_call)
electronichamsters 8:46c5e0bfab05 646 {
electronichamsters 8:46c5e0bfab05 647 //AdvData[JSON_loc] = 0x2f; // "/"
electronichamsters 8:46c5e0bfab05 648 //JSON_loc++;
electronichamsters 10:79e8f92ef156 649 AdvData[JSON_loc] = 0x2f; // "/" pos=17
electronichamsters 10:79e8f92ef156 650 JSON_loc++;//pos=18
electronichamsters 10:79e8f92ef156 651 AdvData[JSON_loc] = 0x70; // "p" poes=18
electronichamsters 10:79e8f92ef156 652 JSON_loc++;//pos=19
electronichamsters 8:46c5e0bfab05 653 }//end if period call
electronichamsters 8:46c5e0bfab05 654
electronichamsters 10:79e8f92ef156 655 AdvData[JSON_loc] = 0x22; //" pos = 17 or 19
electronichamsters 10:79e8f92ef156 656 JSON_loc++; //20
electronichamsters 8:46c5e0bfab05 657
electronichamsters 10:79e8f92ef156 658 AdvData[JSON_loc] = 0x3a; //: pos = 18 or 20
electronichamsters 10:79e8f92ef156 659 JSON_loc++; //22
electronichamsters 8:46c5e0bfab05 660
electronichamsters 8:46c5e0bfab05 661 //prep magnet location (1 or 0) for char[]
electronichamsters 8:46c5e0bfab05 662 memset(&buffer[0], 0, sizeof(buffer)); //clear out buffer
electronichamsters 8:46c5e0bfab05 663 //magnet_near is an integer
electronichamsters 10:79e8f92ef156 664 total_chars = sprintf (buffer, "%d", magnet_near); //returns total number of characters, which is 1 character.
electronichamsters 8:46c5e0bfab05 665 for (int i=0; i < total_chars; i++)
electronichamsters 8:46c5e0bfab05 666 {
electronichamsters 8:46c5e0bfab05 667 AdvData[JSON_loc] = buffer[i];
electronichamsters 10:79e8f92ef156 668 JSON_loc++; //23
electronichamsters 8:46c5e0bfab05 669 } //JSON_loc left at location of next character
electronichamsters 8:46c5e0bfab05 670
electronichamsters 8:46c5e0bfab05 671 //MUST null terminate for JSON to read correctly, else get intermittent JSON parse errors at gateway
electronichamsters 8:46c5e0bfab05 672 //happens when string is shorter than last string, get trash left overs
electronichamsters 8:46c5e0bfab05 673 //not really needed after clearning AdvData at start.
electronichamsters 8:46c5e0bfab05 674
electronichamsters 8:46c5e0bfab05 675
electronichamsters 8:46c5e0bfab05 676 //AdvData[JSON_loc] = 0x0; //null terminate here
electronichamsters 8:46c5e0bfab05 677
rgrover1 5:f4d74a8cad43 678 ApplicationData_t appData;
rgrover1 5:f4d74a8cad43 679 setupApplicationData(appData);
electronichamsters 8:46c5e0bfab05 680
electronichamsters 10:79e8f92ef156 681
electronichamsters 8:46c5e0bfab05 682 for (int i=0; i<16; i++)
electronichamsters 8:46c5e0bfab05 683 {
electronichamsters 10:79e8f92ef156 684 src_buf[i] = AdvData[i+10]; //start of encrypted section is at AdvData[10]
electronichamsters 8:46c5e0bfab05 685 }
rgrover1 5:f4d74a8cad43 686
electronichamsters 8:46c5e0bfab05 687 //nrf_ecb_set_key(key_buf);
electronichamsters 8:46c5e0bfab05 688 nrf_ecb_init();
electronichamsters 8:46c5e0bfab05 689 nrf_ecb_set_key(key_buf);
electronichamsters 8:46c5e0bfab05 690 bool successful_ecb = nrf_ecb_crypt(des_buf, src_buf);
electronichamsters 8:46c5e0bfab05 691 #if MyDebugEnb
electronichamsters 8:46c5e0bfab05 692 device.printf("success ecb = %d \r\n", successful_ecb);
electronichamsters 8:46c5e0bfab05 693 device.printf("src_buf: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x \r\n", src_buf[0], src_buf[1], src_buf[2], src_buf[3], src_buf[4], src_buf[5], src_buf[6], src_buf[7], src_buf[8], src_buf[9], src_buf[10], src_buf[11], src_buf[12], src_buf[13], src_buf[14], src_buf[15]);
electronichamsters 8:46c5e0bfab05 694 device.printf("des_buf: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x \r\n", des_buf[0], des_buf[1], des_buf[2], des_buf[3], des_buf[4], des_buf[5], des_buf[6], des_buf[7], des_buf[8], des_buf[9], des_buf[10], des_buf[11], des_buf[12], des_buf[13], des_buf[14], des_buf[15]);
electronichamsters 8:46c5e0bfab05 695 #endif
electronichamsters 8:46c5e0bfab05 696 for (int i=0; i<16; i++)
electronichamsters 8:46c5e0bfab05 697 {
electronichamsters 10:79e8f92ef156 698 AdvData[i+10] = des_buf[i];
electronichamsters 8:46c5e0bfab05 699 }
electronichamsters 8:46c5e0bfab05 700
electronichamsters 8:46c5e0bfab05 701 //ble.gap().updateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *) &appData, sizeof(ApplicationData_t));
electronichamsters 8:46c5e0bfab05 702 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData));
electronichamsters 8:46c5e0bfab05 703
electronichamsters 8:46c5e0bfab05 704 flag_update_io = false;
electronichamsters 8:46c5e0bfab05 705 flag_periodic_call = false;
electronichamsters 8:46c5e0bfab05 706
electronichamsters 8:46c5e0bfab05 707 //GAP::AddressType_t *myType;
electronichamsters 8:46c5e0bfab05 708 //GAP::Address_t myAddress
electronichamsters 8:46c5e0bfab05 709 //ble_error_t getAddress(Gap::AddressType_t *typeP, Gap::Address_t address)
electronichamsters 8:46c5e0bfab05 710 //ble.gap().getAddress(myType, myAddress);
electronichamsters 8:46c5e0bfab05 711 //ble.gap().getAddress(Gap::AddressType_t *typeP, Gap::Address_t address);
electronichamsters 10:79e8f92ef156 712
electronichamsters 10:79e8f92ef156 713
electronichamsters 10:79e8f92ef156 714
electronichamsters 8:46c5e0bfab05 715 ble.gap().startAdvertising();
electronichamsters 8:46c5e0bfab05 716 tic_adv.attach(stop_adv_Callback, 2); /* trigger turn off advertisement after X seconds */
electronichamsters 8:46c5e0bfab05 717
electronichamsters 8:46c5e0bfab05 718
electronichamsters 8:46c5e0bfab05 719 }//end flag_update_io
electronichamsters 8:46c5e0bfab05 720
electronichamsters 8:46c5e0bfab05 721
electronichamsters 8:46c5e0bfab05 722 /*
electronichamsters 8:46c5e0bfab05 723 if (flag_set_debounce_tic == true)
electronichamsters 8:46c5e0bfab05 724 {
electronichamsters 8:46c5e0bfab05 725 tic_debounce.attach();
electronichamsters 8:46c5e0bfab05 726 //flag_set_debounce_tic = false;
electronichamsters 8:46c5e0bfab05 727
sunsmile2015 0:3dc6e424dba0 728 }
electronichamsters 8:46c5e0bfab05 729 */
electronichamsters 8:46c5e0bfab05 730
electronichamsters 8:46c5e0bfab05 731 //if (trigger_Detach_ADV_Tick == false)
electronichamsters 8:46c5e0bfab05 732 //{
electronichamsters 8:46c5e0bfab05 733 //}
electronichamsters 8:46c5e0bfab05 734 if (flag_detach_adv_tic == true) //Stop Advertising
electronichamsters 8:46c5e0bfab05 735 {
electronichamsters 8:46c5e0bfab05 736 ble.gap().stopAdvertising(); //may be safer to execute BLE operations in main
electronichamsters 8:46c5e0bfab05 737 tic_adv.detach();
electronichamsters 8:46c5e0bfab05 738 flag_detach_adv_tic = false;
electronichamsters 8:46c5e0bfab05 739 }
electronichamsters 8:46c5e0bfab05 740 //device.printf("Input Voltage: %f\n\r",bat_reading);
electronichamsters 8:46c5e0bfab05 741
electronichamsters 8:46c5e0bfab05 742 ble.waitForEvent(); //sleeps until interrupt
electronichamsters 8:46c5e0bfab05 743
rgrover1 5:f4d74a8cad43 744
electronichamsters 8:46c5e0bfab05 745 }//end forever while
electronichamsters 8:46c5e0bfab05 746 }//end main