Eric Tsai / Mbed 2 deprecated BLE_Sensor_Temp_Hum_Light

BLE sensor for temperature and humidity using Si7021 and photocell.

Dependencies:   BLE_API mbed nRF51822

main.cpp@12:45c2bb8231bf, 2017-09-24 (annotated)

Committer:
electronichamsters
Date:
Sun Sep 24 06:18:49 2017 +0000
Revision:
12:45c2bb8231bf
Parent:
11:4f925834167d
Child:
13:64601d952fe4
tested.  works.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
electronichamsters 12:45c2bb8231bf 1 /*
electronichamsters 12:45c2bb8231bf 2 * Copyright (c) Eric Tsai 2017
electronichamsters 12:45c2bb8231bf 3 *
electronichamsters 12:45c2bb8231bf 4 *
electronichamsters 12:45c2bb8231bf 5 * Licensed under the Apache License, Version 2.0 (the "License");
electronichamsters 12:45c2bb8231bf 6 * you may not use this file except in compliance with the License.
electronichamsters 12:45c2bb8231bf 7 * You may obtain a copy of the License at
electronichamsters 12:45c2bb8231bf 8 *
electronichamsters 12:45c2bb8231bf 9 * http://www.apache.org/licenses/LICENSE-2.0
electronichamsters 12:45c2bb8231bf 10 *
electronichamsters 12:45c2bb8231bf 11 * Unless required by applicable law or agreed to in writing, software
electronichamsters 12:45c2bb8231bf 12 * distributed under the License is distributed on an "AS IS" BASIS,
electronichamsters 12:45c2bb8231bf 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
electronichamsters 12:45c2bb8231bf 14 * See the License for the specific language governing permissions and
electronichamsters 12:45c2bb8231bf 15 * limitations under the License.
electronichamsters 12:45c2bb8231bf 16 *
electronichamsters 12:45c2bb8231bf 17 *
electronichamsters 12:45c2bb8231bf 18 * Credit: started with the basic BLE Temperature Beacon code from mbed Bluetooth Low Energy team
electronichamsters 12:45c2bb8231bf 19 * https://developer.mbed.org/teams/Bluetooth-Low-Energy/code/BLE_TemperatureBeacon/file/0a8bbb6dea16/main.cpp
electronichamsters 12:45c2bb8231bf 20 *
electronichamsters 12:45c2bb8231bf 21 * BLE sensor as Beacon advertisements. Intended to function with specific BLE observer.
electronichamsters 12:45c2bb8231bf 22 * Tested on nRF51822 targets on mbed.
electronichamsters 12:45c2bb8231bf 23 * keywords: todo, tochange
electronichamsters 12:45c2bb8231bf 24 */
electronichamsters 8:46c5e0bfab05 25
sunsmile2015 0:3dc6e424dba0 26
electronichamsters 8:46c5e0bfab05 27 extern "C"
electronichamsters 8:46c5e0bfab05 28 {
electronichamsters 12:45c2bb8231bf 29 #include "nrf_ecb.h" //required to call the ecb functions for encryption
electronichamsters 8:46c5e0bfab05 30 }
electronichamsters 8:46c5e0bfab05 31
sunsmile2015 0:3dc6e424dba0 32 #include "mbed.h"
rgrover1 5:f4d74a8cad43 33 #include "toolchain.h"
sunsmile2015 0:3dc6e424dba0 34 #include "ble/BLE.h"
electronichamsters 12:45c2bb8231bf 35 #include "Si7021.h" //credit for library @irsanjul: https://os.mbed.com/users/irsanjul/code/Si7021/
electronichamsters 10:79e8f92ef156 36
electronichamsters 11:4f925834167d 37
electronichamsters 8:46c5e0bfab05 38
electronichamsters 12:45c2bb8231bf 39 /*******************************************************************************************
electronichamsters 12:45c2bb8231bf 40 * START tochange: items that may need customization depending on sensors, hardware, and desired behavior
electronichamsters 12:45c2bb8231bf 41 *******************************************************************************************/
electronichamsters 12:45c2bb8231bf 42 const uint16_t Periodic_Update_Seconds = 15; //number of seconds between periodic I/O status re-transmits 900s =15 min.
electronichamsters 12:45c2bb8231bf 43 #define MyDebugEnb 0 //enables serial output for debug, consumes ~1mA when idle
electronichamsters 12:45c2bb8231bf 44 //uint8_t magnet_near=0; //this I/O, specifically for reed switch sensor
electronichamsters 12:45c2bb8231bf 45
electronichamsters 12:45c2bb8231bf 46 //set I2C pins
electronichamsters 12:45c2bb8231bf 47 Si7021 tempI2C(p9, p11); //sda=p0.9, scl=p.11, for bart boards
electronichamsters 12:45c2bb8231bf 48 //Si7021 tempI2C(p0, p1); //sda=p0.0, scl=p0.1
electronichamsters 12:45c2bb8231bf 49
electronichamsters 12:45c2bb8231bf 50
electronichamsters 12:45c2bb8231bf 51 //depending on how many sensor values you have, change this and examine Flag_Update_ADV_01
electronichamsters 12:45c2bb8231bf 52 const uint8_t Max_Sensor_Num = 3; //set to the number of advertisements (temp, humidity, lumins = 3)
electronichamsters 12:45c2bb8231bf 53
electronichamsters 12:45c2bb8231bf 54 //Set beacon rate behavior. If 4 Seconds_Per_Advertisement @ 300ms ADV_Interval_ms
electronichamsters 12:45c2bb8231bf 55 // then you have about 4 / 0.3 = 13 advertisements for each sensor data. Probably excessive.
electronichamsters 12:45c2bb8231bf 56 const uint8_t Seconds_Per_Advertisement = 2; //for each sensor, adverise for this seconds
electronichamsters 12:45c2bb8231bf 57 const uint16_t ADV_Interval_ms = 900; //ms between advertisements. Lower means more beacons. set >=10ms
electronichamsters 12:45c2bb8231bf 58
electronichamsters 12:45c2bb8231bf 59 //sensor data.
electronichamsters 12:45c2bb8231bf 60 char json_char_01[6] = {0, 0, 0, 0, 0, 0}; //hold json for temperature
electronichamsters 12:45c2bb8231bf 61 char json_char_02[6] = {0, 0, 0, 0, 0, 0}; //hold json for humidity
electronichamsters 12:45c2bb8231bf 62 char json_char_03[6] = {0, 0, 0, 0, 0, 0}; //hold json for next sensor
electronichamsters 12:45c2bb8231bf 63 uint8_t json_len_01;
electronichamsters 12:45c2bb8231bf 64 uint8_t json_len_02;
electronichamsters 12:45c2bb8231bf 65 uint8_t json_len_03;
electronichamsters 12:45c2bb8231bf 66
electronichamsters 12:45c2bb8231bf 67 //ADC_CONFIG_PSEL_AnalogInput4 = AIN4 = P0.03 = nRF Pin 7
electronichamsters 12:45c2bb8231bf 68 //ADC_CONFIG_PSEL_AnalogInput2 = AIN2 = P0.01 = nRF Pin 5
electronichamsters 12:45c2bb8231bf 69 #define MyAnalogPin ADC_CONFIG_PSEL_AnalogInput2
electronichamsters 12:45c2bb8231bf 70
electronichamsters 12:45c2bb8231bf 71 /******************************************************************************************
electronichamsters 12:45c2bb8231bf 72 * END tochange
electronichamsters 12:45c2bb8231bf 73 *******************************************************************************************/
electronichamsters 12:45c2bb8231bf 74
electronichamsters 12:45c2bb8231bf 75
electronichamsters 8:46c5e0bfab05 76 #if MyDebugEnb
electronichamsters 12:45c2bb8231bf 77 // if you see ~1mA consumption during sleep, that's because MyDebugEnb==1, it's enabled.
electronichamsters 8:46c5e0bfab05 78 Serial device(p9, p11); //nRF51822 uart : TX=p9. RX=p11
electronichamsters 8:46c5e0bfab05 79 #endif
electronichamsters 8:46c5e0bfab05 80
electronichamsters 12:45c2bb8231bf 81 static Ticker Tic_Stop_Adv; //used to stop advertising after X seconds
electronichamsters 12:45c2bb8231bf 82 static Ticker Tic_Debounce; //debounce I/O
electronichamsters 12:45c2bb8231bf 83 static Ticker Tic_Periodic; //transmit sensor data on a periodic basis outside I/O events
electronichamsters 8:46c5e0bfab05 84
electronichamsters 12:45c2bb8231bf 85 const uint16_t Periodicity = 1800; //birthday periodicity used for spoof checking, must match gateway. Should be 1800 seconds for 30minutes
electronichamsters 12:45c2bb8231bf 86 static Timer Tmr_From_Birthday; //holds number of seconds since birthday, for spoof detection
electronichamsters 12:45c2bb8231bf 87 static Ticker Tic_Birthday; //resets Tmr_From_Birthday every Periodicity seconds, for spoof detection
electronichamsters 12:45c2bb8231bf 88
electronichamsters 12:45c2bb8231bf 89
electronichamsters 12:45c2bb8231bf 90 static bool Flag_Update_IO = false; //flag to indicate event is hardware interrupt
electronichamsters 12:45c2bb8231bf 91 static bool Flag_Periodic_Call = false; //flag to indicate event is periodic callback
electronichamsters 12:45c2bb8231bf 92 static bool Flag_Detach_Adv_Tic = false; //flag to stop advertising
electronichamsters 12:45c2bb8231bf 93 static uint8_t Flag_Update_ADV_01 = 1; //flag for which sensor data to advertise; 1, 2, 3, etc...
electronichamsters 8:46c5e0bfab05 94
electronichamsters 12:45c2bb8231bf 95 /* Optional: Device Name, add for human read-ability */
electronichamsters 12:45c2bb8231bf 96 const static char DEVICE_NAME[] = "LOL";
electronichamsters 12:45c2bb8231bf 97
electronichamsters 12:45c2bb8231bf 98
electronichamsters 12:45c2bb8231bf 99 //Advertisement Data
electronichamsters 12:45c2bb8231bf 100 //note: AdvData[] holds bytes [5] to byte [30] of entire advertising data. The user content part after ADV flag and header
electronichamsters 12:45c2bb8231bf 101 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}; //26 Bytes manufacturer specific data
electronichamsters 12:45c2bb8231bf 102 char buffer[10]={0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; //hold I/O reading json
electronichamsters 12:45c2bb8231bf 103 char bat_volt_char[6] = {0, 0, 0, 0, 0, 0}; //hold json for battery reading
electronichamsters 12:45c2bb8231bf 104 uint8_t Adv_First_Section[10]; //holds the first several bytes with a pattern indicating this sensor is "one of ours"
electronichamsters 12:45c2bb8231bf 105 uint8_t mac_reverse[6] = {0x0,0x0,0x0,0x0,0x0,0x0}; //mac address for this module
electronichamsters 8:46c5e0bfab05 106
electronichamsters 8:46c5e0bfab05 107
electronichamsters 12:45c2bb8231bf 108 /***** Advertisement structure is 31 Bytes ****************
rgrover1 5:f4d74a8cad43 109
electronichamsters 12:45c2bb8231bf 110 https://docs.mbed.com/docs/ble-intros/en/latest/Advanced/CustomGAP/
electronichamsters 8:46c5e0bfab05 111
electronichamsters 12:45c2bb8231bf 112 Full Advertisement:
electronichamsters 12:45c2bb8231bf 113 First 5 bytes are set by stack according to flag and header parameters.
electronichamsters 12:45c2bb8231bf 114 Last 26 bytes are user data
electronichamsters 12:45c2bb8231bf 115 -- tabbed --
electronichamsters 12:45c2bb8231bf 116 Byte 0 | AD1 Length | 0x02 | AD1 is 2 bytes long
electronichamsters 12:45c2bb8231bf 117 Byte 1 | AD1 Type | 0x01 | AD1 Data interpreted as flag
electronichamsters 12:45c2bb8231bf 118 Byte 2 | AD1 Data 0 | 0x06 | AD1 Data flag mean "00000110"
electronichamsters 12:45c2bb8231bf 119 Byte 3 | AD2 Length | 0x1B | AD2 is 27 bytes (0x1B) long (rest of this data)
electronichamsters 12:45c2bb8231bf 120 Byte 4 | AD2 Type | 0xFF | 0xFF mean Manufacturer Specific Data
electronichamsters 12:45c2bb8231bf 121 Byte 5 | AD2 Data 0 | ADV_Data[0] | "our device" flag, MAC[3]
electronichamsters 12:45c2bb8231bf 122 Byte 6 | AD2 Data 1 | ADV_Data[1] | "out device" flag, MAC[2]
electronichamsters 12:45c2bb8231bf 123 Byte 7 | AD2 Data 2 | ADV_Data[2] | "out device" flag, MAC[1]
electronichamsters 12:45c2bb8231bf 124 Byte 8 | AD2 Data 3 | ADV_Data[3] | "out device" flag, MAC[0]
electronichamsters 12:45c2bb8231bf 125 Byte 9 | AD2 Data 4 | ADV_Data[4] | battery voltage json MSB, ie 3 in 3.14
electronichamsters 12:45c2bb8231bf 126 Byte 10 | AD2 Data 5 | ADV_Data[5] | battery voltage json
electronichamsters 12:45c2bb8231bf 127 Byte 11 | AD2 Data 6 | ADV_Data[6] | battery voltage json
electronichamsters 12:45c2bb8231bf 128 Byte 12 | AD2 Data 7 | ADV_Data[7] | battery voltage json LSB, ie 4 in 3.14
electronichamsters 12:45c2bb8231bf 129 Byte 13 | AD2 Data 8 | ADV_Data[8] | reserved
electronichamsters 12:45c2bb8231bf 130 Byte 14 | AD2 Data 9 | ADV_Data[9] | reserved
electronichamsters 12:45c2bb8231bf 131 Byte 15 | AD2 Data 10 | ADV_Data[10] Encrypted | spoof - clock high byte, range 0 to 1800 seconds
electronichamsters 12:45c2bb8231bf 132 Byte 16 | AD2 Data 11 | ADV_Data[11] Encrypted | spoof - clock low byte
electronichamsters 12:45c2bb8231bf 133 Byte 17 | AD2 Data 12 | ADV_Data[12] Encrypted | Xmit_Cnt - increments per transmit event, 0-255
electronichamsters 12:45c2bb8231bf 134 Byte 18 | AD2 Data 13 | ADV_Data[13] Encrypted | JSON[0]
electronichamsters 12:45c2bb8231bf 135 Byte 19 | AD2 Data 14 | ADV_Data[14] Encrypted | JSON[1]
electronichamsters 12:45c2bb8231bf 136 Byte 20 | AD2 Data 15 | ADV_Data[15] Encrypted | JSON[2]
electronichamsters 12:45c2bb8231bf 137 Byte 21 | AD2 Data 16 | ADV_Data[16] Encrypted | JSON[3]
electronichamsters 12:45c2bb8231bf 138 Byte 22 | AD2 Data 17 | ADV_Data[17] Encrypted | JSON[4]
electronichamsters 12:45c2bb8231bf 139 Byte 23 | AD2 Data 18 | ADV_Data[18] Encrypted | JSON[5]
electronichamsters 12:45c2bb8231bf 140 Byte 24 | AD2 Data 19 | ADV_Data[19] Encrypted | JSON[6]
electronichamsters 12:45c2bb8231bf 141 Byte 25 | AD2 Data 20 | ADV_Data[20] Encrypted | JSON[7]
electronichamsters 12:45c2bb8231bf 142 Byte 26 | AD2 Data 21 | ADV_Data[21] Encrypted | JSON[8]
electronichamsters 12:45c2bb8231bf 143 Byte 27 | AD2 Data 22 | ADV_Data[22] Encrypted | JSON[9]
electronichamsters 12:45c2bb8231bf 144 Byte 28 | AD2 Data 23 | ADV_Data[23] Encrypted | JSON[10]
electronichamsters 12:45c2bb8231bf 145 Byte 29 | AD2 Data 24 | ADV_Data[24] Encrypted | JSON[11]
electronichamsters 12:45c2bb8231bf 146 Byte 30 | AD2 Data 25 | ADV_Data[25] Encrypted | JSON[12]
electronichamsters 8:46c5e0bfab05 147
electronichamsters 12:45c2bb8231bf 148 ***************************************************/
electronichamsters 8:46c5e0bfab05 149
electronichamsters 8:46c5e0bfab05 150
electronichamsters 8:46c5e0bfab05 151 static uint8_t key[16] = {0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4};
electronichamsters 8:46c5e0bfab05 152 //26 bytes adv data
electronichamsters 8:46c5e0bfab05 153 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 154 //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 155 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 156 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 157 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 158
electronichamsters 10:79e8f92ef156 159 uint8_t Xmit_Cnt = 1;
electronichamsters 8:46c5e0bfab05 160
electronichamsters 8:46c5e0bfab05 161
electronichamsters 8:46c5e0bfab05 162
electronichamsters 8:46c5e0bfab05 163 /* **** NOT USED **** */
electronichamsters 8:46c5e0bfab05 164 //16byte UUID loading happens here
electronichamsters 8:46c5e0bfab05 165 //Look at <GapAdvertisingData.h> for rest of definition
sunsmile2015 4:e5fa4c8838db 166 struct ApplicationData_t {
electronichamsters 8:46c5e0bfab05 167 //Byte 0: AppID High Byte
electronichamsters 8:46c5e0bfab05 168 //Byte 1: AppID Low Byte
electronichamsters 8:46c5e0bfab05 169 //Byte 2: sensor High Word
electronichamsters 8:46c5e0bfab05 170 //Byte 3:
electronichamsters 8:46c5e0bfab05 171 //Byte 4:
electronichamsters 8:46c5e0bfab05 172 //Byte 5: sensor Low Byte
electronichamsters 8:46c5e0bfab05 173
electronichamsters 8:46c5e0bfab05 174
electronichamsters 8:46c5e0bfab05 175 //app ID is 16 bit, (0xFEFE)
electronichamsters 8:46c5e0bfab05 176 uint16_t applicationSpecificId; /* An ID used to identify temperature value in the manufacture specific AD data field */
electronichamsters 8:46c5e0bfab05 177
electronichamsters 12:45c2bb8231bf 178 //TMP_nrf51::TempSensorValue_t tmpSensorValue; /* this is a float (32-bit), user data */
rgrover1 5:f4d74a8cad43 179 } PACKED;
sunsmile2015 0:3dc6e424dba0 180
electronichamsters 8:46c5e0bfab05 181
electronichamsters 8:46c5e0bfab05 182
electronichamsters 8:46c5e0bfab05 183 void debounce_Callback(void)
electronichamsters 8:46c5e0bfab05 184 {
electronichamsters 12:45c2bb8231bf 185 Tic_Debounce.detach();
electronichamsters 12:45c2bb8231bf 186 Flag_Update_IO = true; //start advertising
electronichamsters 8:46c5e0bfab05 187 /* Note that the buttonPressedCallback() executes in interrupt context, so it is safer to access
electronichamsters 8:46c5e0bfab05 188 * BLE device API from the main thread. */
electronichamsters 8:46c5e0bfab05 189
electronichamsters 8:46c5e0bfab05 190 }
electronichamsters 8:46c5e0bfab05 191
electronichamsters 8:46c5e0bfab05 192
electronichamsters 8:46c5e0bfab05 193
electronichamsters 12:45c2bb8231bf 194 void stop_adv_Callback(void)
electronichamsters 12:45c2bb8231bf 195 {
electronichamsters 12:45c2bb8231bf 196 /*stops advertising after X seconds or after all sensor data advertisements iterated through
electronichamsters 12:45c2bb8231bf 197 * flow:
electronichamsters 12:45c2bb8231bf 198 * set Flag_Update_ADV_01 = 1, 1st advertisement sent
electronichamsters 12:45c2bb8231bf 199 * set Flag_Update_ADV_01 = 2, 2nd advertisement sent
electronichamsters 12:45c2bb8231bf 200 * set Flag_Update_ADV_01 = 3, 3rd advertisement sent
electronichamsters 12:45c2bb8231bf 201 * now Flag_Update_ADV_01 is 3, stop.
electronichamsters 12:45c2bb8231bf 202 */
electronichamsters 12:45c2bb8231bf 203
electronichamsters 12:45c2bb8231bf 204 if (Flag_Update_ADV_01 >= Max_Sensor_Num) //set to the number of advertisements (temp, humidity, lumins = 3)
electronichamsters 12:45c2bb8231bf 205 {
electronichamsters 12:45c2bb8231bf 206 Flag_Detach_Adv_Tic = true; //flag to stop advertising
electronichamsters 12:45c2bb8231bf 207 Flag_Update_ADV_01=0; //reset so we start at the first sensor in the group on next periodic update trigger
electronichamsters 12:45c2bb8231bf 208 Flag_Periodic_Call = false;
electronichamsters 12:45c2bb8231bf 209 }
electronichamsters 12:45c2bb8231bf 210 else
electronichamsters 12:45c2bb8231bf 211 {
electronichamsters 12:45c2bb8231bf 212 Flag_Update_ADV_01++;
electronichamsters 12:45c2bb8231bf 213 Xmit_Cnt++; //increment transmit counter when updating I/O
electronichamsters 12:45c2bb8231bf 214 }
electronichamsters 12:45c2bb8231bf 215 }
electronichamsters 8:46c5e0bfab05 216
electronichamsters 8:46c5e0bfab05 217
electronichamsters 12:45c2bb8231bf 218
electronichamsters 12:45c2bb8231bf 219 /* ****************************************
electronichamsters 12:45c2bb8231bf 220 * Decides what actions need to be performed on periodic basis
electronichamsters 12:45c2bb8231bf 221 *******************************************/
electronichamsters 8:46c5e0bfab05 222 void periodic_Callback(void)
electronichamsters 8:46c5e0bfab05 223 {
electronichamsters 12:45c2bb8231bf 224 Flag_Update_IO = true;
electronichamsters 12:45c2bb8231bf 225 Flag_Update_ADV_01 = 1; //flag for advertising first sensor
electronichamsters 12:45c2bb8231bf 226 Flag_Periodic_Call = true; //adds the "p" in topic name
electronichamsters 12:45c2bb8231bf 227
electronichamsters 12:45c2bb8231bf 228 Xmit_Cnt++; //increment transmit counter when updating I/O
sunsmile2015 4:e5fa4c8838db 229 }
sunsmile2015 4:e5fa4c8838db 230
electronichamsters 12:45c2bb8231bf 231
electronichamsters 12:45c2bb8231bf 232 /* ****************************************
electronichamsters 12:45c2bb8231bf 233 * No RTC available, tickers only have a 35 minute range.
electronichamsters 12:45c2bb8231bf 234 * So periodicity for spoof avoidance is set to 30 minutes
electronichamsters 12:45c2bb8231bf 235 *******************************************/
electronichamsters 10:79e8f92ef156 236 void clock_reset_Callback(void)
electronichamsters 10:79e8f92ef156 237 {
electronichamsters 10:79e8f92ef156 238 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 239 device.printf("===== reset timer =====");
electronichamsters 10:79e8f92ef156 240 device.printf("\r\n");
electronichamsters 10:79e8f92ef156 241 #endif
electronichamsters 12:45c2bb8231bf 242 Tmr_From_Birthday.reset();
electronichamsters 10:79e8f92ef156 243 };
electronichamsters 10:79e8f92ef156 244
electronichamsters 12:45c2bb8231bf 245
rgrover1 5:f4d74a8cad43 246 void setupApplicationData(ApplicationData_t &appData)
sunsmile2015 4:e5fa4c8838db 247 {
electronichamsters 8:46c5e0bfab05 248 // two byte ID: 0xFEFE
electronichamsters 8:46c5e0bfab05 249 static const uint16_t APP_SPECIFIC_ID_TEST = 0xFEFE; //2 byte application ID
andresag 7:0a8bbb6dea16 250
sunsmile2015 4:e5fa4c8838db 251 appData.applicationSpecificId = APP_SPECIFIC_ID_TEST;
sunsmile2015 0:3dc6e424dba0 252 }
sunsmile2015 0:3dc6e424dba0 253
electronichamsters 8:46c5e0bfab05 254
electronichamsters 8:46c5e0bfab05 255
andresag 7:0a8bbb6dea16 256 /**
andresag 7:0a8bbb6dea16 257 * This function is called when the ble initialization process has failled
andresag 7:0a8bbb6dea16 258 */
andresag 7:0a8bbb6dea16 259 void onBleInitError(BLE &ble, ble_error_t error)
andresag 7:0a8bbb6dea16 260 {
andresag 7:0a8bbb6dea16 261 /* Initialization error handling should go here */
andresag 7:0a8bbb6dea16 262 }
andresag 7:0a8bbb6dea16 263
electronichamsters 12:45c2bb8231bf 264
electronichamsters 12:45c2bb8231bf 265
andresag 7:0a8bbb6dea16 266 /**
andresag 7:0a8bbb6dea16 267 * Callback triggered when the ble initialization process has finished
andresag 7:0a8bbb6dea16 268 */
andresag 7:0a8bbb6dea16 269 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
sunsmile2015 2:b935358da5ba 270 {
andresag 7:0a8bbb6dea16 271 BLE& ble = params->ble;
andresag 7:0a8bbb6dea16 272 ble_error_t error = params->error;
andresag 7:0a8bbb6dea16 273
andresag 7:0a8bbb6dea16 274 if (error != BLE_ERROR_NONE) {
andresag 7:0a8bbb6dea16 275 /* In case of error, forward the error handling to onBleInitError */
andresag 7:0a8bbb6dea16 276 onBleInitError(ble, error);
andresag 7:0a8bbb6dea16 277 return;
andresag 7:0a8bbb6dea16 278 }
andresag 7:0a8bbb6dea16 279
andresag 7:0a8bbb6dea16 280 /* Ensure that it is the default instance of BLE */
andresag 7:0a8bbb6dea16 281 if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
andresag 7:0a8bbb6dea16 282 return;
andresag 7:0a8bbb6dea16 283 }
electronichamsters 8:46c5e0bfab05 284
electronichamsters 8:46c5e0bfab05 285 /* Set device name characteristic data */
electronichamsters 8:46c5e0bfab05 286 ble.gap().setDeviceName((const uint8_t *) DEVICE_NAME);
andresag 7:0a8bbb6dea16 287
rgrover1 5:f4d74a8cad43 288 /* Setup advertising payload */
electronichamsters 8:46c5e0bfab05 289 //set modes "no EDR", "discoverable" for beacon type advertisements
rgrover1 5:f4d74a8cad43 290 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
electronichamsters 8:46c5e0bfab05 291
electronichamsters 11:4f925834167d 292
electronichamsters 8:46c5e0bfab05 293 //from GAP example
electronichamsters 8:46c5e0bfab05 294 /* Sacrifice 2B of 31B to AdvType overhead, rest goes to AdvData array you define */
electronichamsters 8:46c5e0bfab05 295 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData));
electronichamsters 8:46c5e0bfab05 296
electronichamsters 8:46c5e0bfab05 297 /* Setup advertising parameters: not connectable */
electronichamsters 8:46c5e0bfab05 298 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
electronichamsters 12:45c2bb8231bf 299 ble.gap().setAdvertisingInterval(ADV_Interval_ms); //one advertisment every X ms. Self tickers, so you don't have to worry.
electronichamsters 8:46c5e0bfab05 300
electronichamsters 12:45c2bb8231bf 301 }
electronichamsters 8:46c5e0bfab05 302
electronichamsters 8:46c5e0bfab05 303
electronichamsters 11:4f925834167d 304 //not needed anymore
electronichamsters 8:46c5e0bfab05 305 void my_analogin_init(void)
electronichamsters 8:46c5e0bfab05 306 {
electronichamsters 10:79e8f92ef156 307
electronichamsters 8:46c5e0bfab05 308 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 8:46c5e0bfab05 309 (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 310 //(ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 8:46c5e0bfab05 311 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 8:46c5e0bfab05 312 (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 313 //(ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 8:46c5e0bfab05 314 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 315 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 8:46c5e0bfab05 316 }
sunsmile2015 2:b935358da5ba 317
electronichamsters 12:45c2bb8231bf 318
electronichamsters 12:45c2bb8231bf 319 /* ****************************************
electronichamsters 12:45c2bb8231bf 320 * Read battery voltage using bandgap reference
electronichamsters 12:45c2bb8231bf 321 * shunt Vdd to ADC, thanks to Marcelo Salazar's notes here:
electronichamsters 12:45c2bb8231bf 322 * https://developer.mbed.org/users/MarceloSalazar/notebook/measuring-battery-voltage-with-nordic-nrf51x/
electronichamsters 12:45c2bb8231bf 323 *******************************************/
electronichamsters 12:45c2bb8231bf 324 uint16_t read_bat_volt(void)
electronichamsters 8:46c5e0bfab05 325 {
electronichamsters 10:79e8f92ef156 326 //10 bit resolution, route Vdd as analog input, set ADC ref to VBG band gap
electronichamsters 10:79e8f92ef156 327 //disable analog pin select "PSEL" because we're using Vdd as analog input
electronichamsters 10:79e8f92ef156 328 //no external voltage reference
electronichamsters 10:79e8f92ef156 329 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 10:79e8f92ef156 330 (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 331 //(ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 332 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 10:79e8f92ef156 333 (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 334 //(ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 335 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 336
electronichamsters 10:79e8f92ef156 337 //NRF_ADC->CONFIG &= ~ADC_CONFIG_PSEL_Msk;
electronichamsters 10:79e8f92ef156 338 //NRF_ADC->CONFIG |= ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos;
electronichamsters 10:79e8f92ef156 339 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 10:79e8f92ef156 340 NRF_ADC->TASKS_START = 1;
electronichamsters 10:79e8f92ef156 341
electronichamsters 10:79e8f92ef156 342
electronichamsters 10:79e8f92ef156 343 //while loop doesn't actually loop until reading comlete, use a wait.
electronichamsters 10:79e8f92ef156 344 while (((NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) >> ADC_BUSY_BUSY_Pos) == ADC_BUSY_BUSY_Busy) {};
electronichamsters 12:45c2bb8231bf 345 wait_ms(1);
electronichamsters 10:79e8f92ef156 346
electronichamsters 10:79e8f92ef156 347 //save off RESULT before disabling.
electronichamsters 10:79e8f92ef156 348 //uint16_t myresult = (uint16_t)NRF_ADC->RESULT;
electronichamsters 10:79e8f92ef156 349
electronichamsters 10:79e8f92ef156 350 //disable ADC to lower bat consumption
electronichamsters 10:79e8f92ef156 351 NRF_ADC->TASKS_STOP = 1;
electronichamsters 10:79e8f92ef156 352 //NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 10:79e8f92ef156 353
electronichamsters 10:79e8f92ef156 354 return (uint16_t)NRF_ADC->RESULT; // 10 bit
electronichamsters 10:79e8f92ef156 355 //return myresult;
electronichamsters 12:45c2bb8231bf 356 } //end read_bat_volt
electronichamsters 12:45c2bb8231bf 357
electronichamsters 12:45c2bb8231bf 358
electronichamsters 10:79e8f92ef156 359
electronichamsters 12:45c2bb8231bf 360 /* ****************************************
electronichamsters 12:45c2bb8231bf 361 * Read battery voltage using bandgap reference
electronichamsters 12:45c2bb8231bf 362 * shunt analog pin to ADC, from API here
electronichamsters 12:45c2bb8231bf 363 * https://developer.mbed.org/users/mbed_official/code/mbed-src/file/cb4253f91ada/targets/hal/TARGET_NORDIC/TARGET_NRF51822/analogin_api.c
electronichamsters 12:45c2bb8231bf 364 *******************************************/
electronichamsters 12:45c2bb8231bf 365 uint16_t read_ADC_pin(void)
electronichamsters 10:79e8f92ef156 366 {
electronichamsters 10:79e8f92ef156 367
electronichamsters 10:79e8f92ef156 368 //10 bit resolution, route PSEL pin as 1/3 input sel,
electronichamsters 10:79e8f92ef156 369 //set ADC ref to VBG band gap
electronichamsters 10:79e8f92ef156 370 //set AnalogInput4 as input pin (this is P0.03)
electronichamsters 10:79e8f92ef156 371 //no external voltage reference
electronichamsters 10:79e8f92ef156 372 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 10:79e8f92ef156 373 //(ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 374 (ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 375 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 10:79e8f92ef156 376 //ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 12:45c2bb8231bf 377 (MyAnalogPin << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 378 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 379 //set pin select to AnalogInput4 = pin 7 = p0.03 = AIN4
electronichamsters 10:79e8f92ef156 380 //NRF_ADC->CONFIG &= ~ADC_CONFIG_PSEL_Msk;
electronichamsters 10:79e8f92ef156 381 //NRF_ADC->CONFIG |= ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos;
electronichamsters 10:79e8f92ef156 382 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 8:46c5e0bfab05 383 NRF_ADC->TASKS_START = 1;
electronichamsters 8:46c5e0bfab05 384
electronichamsters 8:46c5e0bfab05 385
electronichamsters 8:46c5e0bfab05 386 //while loop doesn't actually loop until reading comlete, use a wait.
electronichamsters 8:46c5e0bfab05 387 while (((NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) >> ADC_BUSY_BUSY_Pos) == ADC_BUSY_BUSY_Busy) {};
electronichamsters 12:45c2bb8231bf 388 wait_ms(1); //needed because busy while loop doesn't run.
electronichamsters 8:46c5e0bfab05 389
electronichamsters 8:46c5e0bfab05 390 //save off RESULT before disabling.
electronichamsters 8:46c5e0bfab05 391 //uint16_t myresult = (uint16_t)NRF_ADC->RESULT;
electronichamsters 8:46c5e0bfab05 392
electronichamsters 8:46c5e0bfab05 393 //disable ADC to lower bat consumption
electronichamsters 8:46c5e0bfab05 394 //NRF_ADC->TASKS_STOP = 1;
electronichamsters 8:46c5e0bfab05 395 //NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 8:46c5e0bfab05 396
electronichamsters 8:46c5e0bfab05 397 return (uint16_t)NRF_ADC->RESULT; // 10 bit
electronichamsters 8:46c5e0bfab05 398 //return myresult;
electronichamsters 12:45c2bb8231bf 399 } //end read_ADC_pin
sunsmile2015 4:e5fa4c8838db 400
electronichamsters 10:79e8f92ef156 401
electronichamsters 12:45c2bb8231bf 402 /* ****************************************
electronichamsters 12:45c2bb8231bf 403 * Pattern scheme indicating "one of ours"
electronichamsters 12:45c2bb8231bf 404 * generate first part of ADV data so that observer can recognize it as "one of ours".
electronichamsters 12:45c2bb8231bf 405 * use specific schema to decide how we're recognizing our sensor ADV
electronichamsters 12:45c2bb8231bf 406 *******************************************/
electronichamsters 10:79e8f92ef156 407 void hash_first_section(uint8_t * dest, const uint8_t * mac_addr, const char * bat_volt_str)
electronichamsters 10:79e8f92ef156 408 {
electronichamsters 10:79e8f92ef156 409 dest[0] = mac_addr[3];
electronichamsters 10:79e8f92ef156 410 dest[1] = mac_addr[2];
electronichamsters 10:79e8f92ef156 411 dest[2] = mac_addr[1];
electronichamsters 10:79e8f92ef156 412 dest[3] = mac_addr[0];
electronichamsters 10:79e8f92ef156 413 dest[4] = bat_volt_str[0];
electronichamsters 10:79e8f92ef156 414 dest[5] = bat_volt_str[1];
electronichamsters 10:79e8f92ef156 415 dest[6] = bat_volt_str[2];
electronichamsters 10:79e8f92ef156 416 dest[7] = bat_volt_str[3];
electronichamsters 10:79e8f92ef156 417 dest[8] = 0x10;
electronichamsters 10:79e8f92ef156 418 dest[9] = 0x11;
electronichamsters 12:45c2bb8231bf 419 #if MyDebugEnb
electronichamsters 12:45c2bb8231bf 420
electronichamsters 12:45c2bb8231bf 421 device.printf("hash array: ");
electronichamsters 12:45c2bb8231bf 422 for (int i=0; i<10; i++)
electronichamsters 12:45c2bb8231bf 423 {
electronichamsters 12:45c2bb8231bf 424 device.printf("%x ", dest[i]);
electronichamsters 12:45c2bb8231bf 425 }
electronichamsters 12:45c2bb8231bf 426 device.printf("\r\n");
electronichamsters 12:45c2bb8231bf 427 #endif
electronichamsters 10:79e8f92ef156 428 }
electronichamsters 10:79e8f92ef156 429
electronichamsters 10:79e8f92ef156 430
electronichamsters 12:45c2bb8231bf 431 /* ****************************************
electronichamsters 12:45c2bb8231bf 432 *
electronichamsters 12:45c2bb8231bf 433 * Main Loop
electronichamsters 12:45c2bb8231bf 434 *
electronichamsters 12:45c2bb8231bf 435 *******************************************/
sunsmile2015 2:b935358da5ba 436 int main(void)
sunsmile2015 2:b935358da5ba 437 {
electronichamsters 8:46c5e0bfab05 438
electronichamsters 12:45c2bb8231bf 439 #if MyDebugEnb
electronichamsters 12:45c2bb8231bf 440 device.baud(9600);
electronichamsters 12:45c2bb8231bf 441 device.printf("started sensor node 36 ");
electronichamsters 12:45c2bb8231bf 442 device.printf("\r\n");
electronichamsters 12:45c2bb8231bf 443 #endif
electronichamsters 8:46c5e0bfab05 444
electronichamsters 8:46c5e0bfab05 445
electronichamsters 12:45c2bb8231bf 446 Tmr_From_Birthday.start(); //tracks # sec since birthday
electronichamsters 8:46c5e0bfab05 447
sunsmile2015 0:3dc6e424dba0 448
andresag 7:0a8bbb6dea16 449 BLE &ble = BLE::Instance();
andresag 7:0a8bbb6dea16 450 ble.init(bleInitComplete);
electronichamsters 8:46c5e0bfab05 451
electronichamsters 8:46c5e0bfab05 452 float bat_reading; //hold battery voltage reading (Vbg/Vcc)
electronichamsters 8:46c5e0bfab05 453
electronichamsters 8:46c5e0bfab05 454 my_analogin_init();//routes band-gap to analog input
andresag 7:0a8bbb6dea16 455
andresag 7:0a8bbb6dea16 456 /* SpinWait for initialization to complete. This is necessary because the
andresag 7:0a8bbb6dea16 457 * BLE object is used in the main loop below. */
electronichamsters 8:46c5e0bfab05 458 while (ble.hasInitialized() == false) { /* spin loop */ }
electronichamsters 8:46c5e0bfab05 459
electronichamsters 8:46c5e0bfab05 460 //every X seconds, sends period update, up to 1800 (30 minutes)
electronichamsters 12:45c2bb8231bf 461 Tic_Periodic.attach(periodic_Callback, Periodic_Update_Seconds); //send updated I/O every x seconds
electronichamsters 12:45c2bb8231bf 462 Tic_Birthday.attach(clock_reset_Callback, Periodicity); //clock algorithm periodicity
rgrover1 5:f4d74a8cad43 463
electronichamsters 10:79e8f92ef156 464
electronichamsters 12:45c2bb8231bf 465 //ble.getAddress(0,mac_reverse); //last byte of MAC (as shown on phone app) is at mac[0], not mac[6];
electronichamsters 12:45c2bb8231bf 466 ble.gap().getAddress(0,mac_reverse); //last byte of MAC (as shown on phone app) is at mac[0], not mac[6];
electronichamsters 12:45c2bb8231bf 467 #if MyDebugEnb
electronichamsters 12:45c2bb8231bf 468 device.printf("mac = ");
electronichamsters 12:45c2bb8231bf 469 for (int i=0; i<6; i++) //prints out MAC address in reverse order; opps.
electronichamsters 8:46c5e0bfab05 470 {
electronichamsters 12:45c2bb8231bf 471 device.printf("%x:", mac_reverse[i]);
electronichamsters 8:46c5e0bfab05 472 }
electronichamsters 12:45c2bb8231bf 473 device.printf("\r\n");
electronichamsters 12:45c2bb8231bf 474 #endif
electronichamsters 12:45c2bb8231bf 475 while (true)
electronichamsters 12:45c2bb8231bf 476 { //Main Loop
electronichamsters 12:45c2bb8231bf 477
electronichamsters 12:45c2bb8231bf 478 uint16_t seconds_Old =(uint16_t)(Tmr_From_Birthday.read_ms()/1000); // 0-1800 seconds (30 minutes)
electronichamsters 12:45c2bb8231bf 479
electronichamsters 12:45c2bb8231bf 480 #if MyDebugEnb
electronichamsters 12:45c2bb8231bf 481 device.printf("current time in seconds: %d \r\n", seconds_Old);
electronichamsters 12:45c2bb8231bf 482 #endif
electronichamsters 12:45c2bb8231bf 483
electronichamsters 8:46c5e0bfab05 484
electronichamsters 12:45c2bb8231bf 485 //Update variables holding sensor readings, in preparation for advertisement.
electronichamsters 12:45c2bb8231bf 486 if (Flag_Update_IO) {
andresag 7:0a8bbb6dea16 487 /* Do blocking calls or whatever hardware-specific action is
andresag 7:0a8bbb6dea16 488 * necessary to poll the sensor. */
electronichamsters 8:46c5e0bfab05 489
electronichamsters 12:45c2bb8231bf 490 //call attach again on periodic update to reset ticker
electronichamsters 12:45c2bb8231bf 491 //next periodic updates happens Perioidc_Update_Seconds after I/O events
electronichamsters 12:45c2bb8231bf 492 Tic_Periodic.attach(periodic_Callback, Periodic_Update_Seconds);
electronichamsters 12:45c2bb8231bf 493 //Xmit_Cnt++; //increment transmit counter when updating I/O
electronichamsters 12:45c2bb8231bf 494
electronichamsters 10:79e8f92ef156 495
electronichamsters 10:79e8f92ef156 496
electronichamsters 12:45c2bb8231bf 497 //read and convert battery voltage
electronichamsters 12:45c2bb8231bf 498 bat_reading = (float)read_bat_volt();
electronichamsters 8:46c5e0bfab05 499 bat_reading = (bat_reading * 3.6) / 1024.0;
electronichamsters 12:45c2bb8231bf 500 #if MyDebugEnb
electronichamsters 8:46c5e0bfab05 501 device.printf("bat reading: %f \r\n", bat_reading);
electronichamsters 12:45c2bb8231bf 502 #endif
electronichamsters 12:45c2bb8231bf 503 //write battery voltage
electronichamsters 12:45c2bb8231bf 504 uint8_t total_chars;
electronichamsters 12:45c2bb8231bf 505 memset(&bat_volt_char[0], 0, sizeof(bat_volt_char)); //clear out buffer
electronichamsters 12:45c2bb8231bf 506 //convert battery voltage float value to string reprsentation to 2 decimal places, and save the size of string.
electronichamsters 12:45c2bb8231bf 507 total_chars = sprintf (bat_volt_char, "%.2f", bat_reading);
electronichamsters 8:46c5e0bfab05 508
electronichamsters 12:45c2bb8231bf 509 //read and convert analog voltage. Comment out this section if note needed, saves some battery
electronichamsters 10:79e8f92ef156 510 NRF_ADC->TASKS_STOP = 1;
electronichamsters 10:79e8f92ef156 511 float analogreading;
electronichamsters 12:45c2bb8231bf 512 analogreading = (float)read_ADC_pin();
electronichamsters 10:79e8f92ef156 513 analogreading = (analogreading * 3.6) / 1024.0;
electronichamsters 12:45c2bb8231bf 514 memset(&json_char_03[0], 0, sizeof(json_char_03)); //clear out buffer
electronichamsters 12:45c2bb8231bf 515 json_len_03 = sprintf (json_char_03, "%.2f", analogreading);
electronichamsters 12:45c2bb8231bf 516
electronichamsters 10:79e8f92ef156 517 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 518 device.printf("separate analog reading: %.02f \r\n", analogreading);
electronichamsters 10:79e8f92ef156 519 #endif
electronichamsters 10:79e8f92ef156 520
electronichamsters 12:45c2bb8231bf 521 //disable ADC to save power
electronichamsters 8:46c5e0bfab05 522 NRF_ADC->TASKS_STOP = 1;
electronichamsters 8:46c5e0bfab05 523 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 8:46c5e0bfab05 524
electronichamsters 8:46c5e0bfab05 525
electronichamsters 12:45c2bb8231bf 526 //read temperature of Si7021
electronichamsters 12:45c2bb8231bf 527 tempI2C.measure();
electronichamsters 12:45c2bb8231bf 528 float temptemp = (tempI2C.get_temperature()/1000.00);
electronichamsters 12:45c2bb8231bf 529 float temphum = (tempI2C.get_humidity()/1000.00);
electronichamsters 12:45c2bb8231bf 530 temptemp = temptemp*((float)9.0/5.0) + 32;
electronichamsters 8:46c5e0bfab05 531
electronichamsters 12:45c2bb8231bf 532 memset(&json_char_01[0], 0, sizeof(json_char_01)); //clear out buffer
electronichamsters 12:45c2bb8231bf 533 memset(&json_char_02[0], 0, sizeof(json_char_02)); //clear out buffer
electronichamsters 12:45c2bb8231bf 534 json_len_01 = sprintf (json_char_01, "%.2f", temptemp);
electronichamsters 12:45c2bb8231bf 535 json_len_02 = sprintf (json_char_02, "%.1f", temphum);
electronichamsters 8:46c5e0bfab05 536
electronichamsters 12:45c2bb8231bf 537 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 538 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 539 device.printf("num chars: %d \r\n", total_chars);
electronichamsters 12:45c2bb8231bf 540 #endif
electronichamsters 12:45c2bb8231bf 541
electronichamsters 12:45c2bb8231bf 542 Flag_Update_IO = false; //all needed variables for advertisement of sensor data has been updated in memory
electronichamsters 12:45c2bb8231bf 543 }//end Flag_Update_IO
electronichamsters 8:46c5e0bfab05 544
electronichamsters 12:45c2bb8231bf 545
electronichamsters 12:45c2bb8231bf 546 //compose the correct JSON portion of advertisement sensor data
electronichamsters 12:45c2bb8231bf 547 if (Flag_Update_ADV_01 > 0)
electronichamsters 12:45c2bb8231bf 548 {
electronichamsters 12:45c2bb8231bf 549 //Generate "First Section" for ADV_Data so gateway will recognize our advertisement pattern
electronichamsters 12:45c2bb8231bf 550 hash_first_section(Adv_First_Section, mac_reverse, bat_volt_char);
electronichamsters 10:79e8f92ef156 551
electronichamsters 10:79e8f92ef156 552
electronichamsters 12:45c2bb8231bf 553 /* ****************************************
electronichamsters 12:45c2bb8231bf 554 * start writing out ADVData array
electronichamsters 12:45c2bb8231bf 555 * todo: this is easy to write but hard to read. Maybe make it easy to read and hard to write?
electronichamsters 12:45c2bb8231bf 556 ******************************************/
electronichamsters 12:45c2bb8231bf 557 memset(&AdvData[0], 0, sizeof(AdvData)); //put nulls into adv data
electronichamsters 10:79e8f92ef156 558 uint8_t JSON_loc=0; //AdvData[0]
electronichamsters 10:79e8f92ef156 559
electronichamsters 12:45c2bb8231bf 560 AdvData[0] = Adv_First_Section[0]; //"our device" flag, MAC[3]
electronichamsters 12:45c2bb8231bf 561 JSON_loc++; //JSON_loc == 1
electronichamsters 12:45c2bb8231bf 562 AdvData[1] = Adv_First_Section[1]; //"out device" flag, MAC[2]...
electronichamsters 12:45c2bb8231bf 563 JSON_loc++; //JSON_loc == 2
electronichamsters 12:45c2bb8231bf 564 AdvData[2] = Adv_First_Section[2];
electronichamsters 12:45c2bb8231bf 565 JSON_loc++; //JSON_loc == 3
electronichamsters 12:45c2bb8231bf 566 AdvData[3] = Adv_First_Section[3];
electronichamsters 12:45c2bb8231bf 567 JSON_loc++; //JSON_loc == 4
electronichamsters 12:45c2bb8231bf 568 AdvData[4] = Adv_First_Section[4];
electronichamsters 12:45c2bb8231bf 569 JSON_loc++; //JSON_loc == 5
electronichamsters 12:45c2bb8231bf 570 AdvData[5] = Adv_First_Section[5];
electronichamsters 12:45c2bb8231bf 571 JSON_loc++; //JSON_loc == 6
electronichamsters 12:45c2bb8231bf 572 AdvData[6] = Adv_First_Section[6];
electronichamsters 10:79e8f92ef156 573 JSON_loc++;
electronichamsters 12:45c2bb8231bf 574 AdvData[7] = Adv_First_Section[7];
electronichamsters 10:79e8f92ef156 575 JSON_loc++;
electronichamsters 12:45c2bb8231bf 576 AdvData[8] = Adv_First_Section[8];
electronichamsters 10:79e8f92ef156 577 JSON_loc++;
electronichamsters 12:45c2bb8231bf 578 AdvData[9] = Adv_First_Section[9];
electronichamsters 8:46c5e0bfab05 579 JSON_loc++;
electronichamsters 10:79e8f92ef156 580
electronichamsters 12:45c2bb8231bf 581 #if MyDebugEnb
electronichamsters 12:45c2bb8231bf 582 device.printf("ADV first 10 array: ");
electronichamsters 12:45c2bb8231bf 583 for (int i=0; i<10; i++)
electronichamsters 12:45c2bb8231bf 584 {
electronichamsters 12:45c2bb8231bf 585 device.printf("%x ", AdvData[i]);
electronichamsters 12:45c2bb8231bf 586 }
electronichamsters 12:45c2bb8231bf 587 device.printf("\r\n");
electronichamsters 12:45c2bb8231bf 588 #endif
electronichamsters 10:79e8f92ef156 589
electronichamsters 10:79e8f92ef156 590
electronichamsters 10:79e8f92ef156 591 JSON_loc = 10;
electronichamsters 12:45c2bb8231bf 592 //Start of encrypted user data
electronichamsters 12:45c2bb8231bf 593
electronichamsters 12:45c2bb8231bf 594 //[10] and [11] hold 2 bytes for how many seconds since birthday, little endian
electronichamsters 12:45c2bb8231bf 595 AdvData[10] = seconds_Old & 0xFF;
electronichamsters 8:46c5e0bfab05 596 JSON_loc++;
electronichamsters 12:45c2bb8231bf 597 AdvData[11] = (seconds_Old >> 8) & 0xFF;
electronichamsters 10:79e8f92ef156 598 JSON_loc++;
electronichamsters 12:45c2bb8231bf 599
electronichamsters 10:79e8f92ef156 600 AdvData[12] = Xmit_Cnt;
electronichamsters 8:46c5e0bfab05 601 JSON_loc++;
electronichamsters 8:46c5e0bfab05 602
electronichamsters 8:46c5e0bfab05 603
electronichamsters 8:46c5e0bfab05 604
electronichamsters 8:46c5e0bfab05 605
electronichamsters 12:45c2bb8231bf 606 //------ START JASON Flag_Update_ADV_01
electronichamsters 12:45c2bb8231bf 607 //start of jason data
electronichamsters 12:45c2bb8231bf 608 if (Flag_Update_ADV_01 == 1) //temperature
electronichamsters 12:45c2bb8231bf 609 {
electronichamsters 12:45c2bb8231bf 610 JSON_loc = 13;
electronichamsters 12:45c2bb8231bf 611 AdvData[JSON_loc] = 0x22; //ADV_Data[13] = "
electronichamsters 12:45c2bb8231bf 612 JSON_loc++; //14
electronichamsters 12:45c2bb8231bf 613
electronichamsters 12:45c2bb8231bf 614 AdvData[JSON_loc] = 0x54; //ADV_Data[14] = t
electronichamsters 12:45c2bb8231bf 615 JSON_loc++; //15
electronichamsters 12:45c2bb8231bf 616
electronichamsters 12:45c2bb8231bf 617 AdvData[JSON_loc] = 0x4D; //ADV_Data[15] = m
electronichamsters 12:45c2bb8231bf 618 JSON_loc++; //16
electronichamsters 12:45c2bb8231bf 619
electronichamsters 12:45c2bb8231bf 620 AdvData[JSON_loc] = 0x50; //ADV_Data[16] = p
electronichamsters 12:45c2bb8231bf 621 JSON_loc++; //17
electronichamsters 12:45c2bb8231bf 622
electronichamsters 12:45c2bb8231bf 623 //for periodic calls, we want to add an extra mqtt level "p", using "/p"
electronichamsters 12:45c2bb8231bf 624 //to delineate between MQTT publishes from real world I/O interrupts vs timer interrupts
electronichamsters 12:45c2bb8231bf 625 if (Flag_Periodic_Call)
electronichamsters 12:45c2bb8231bf 626 {
electronichamsters 12:45c2bb8231bf 627 AdvData[JSON_loc] = 0x2f; // ADV_Data[17] = /
electronichamsters 12:45c2bb8231bf 628 JSON_loc++; //18
electronichamsters 12:45c2bb8231bf 629 AdvData[JSON_loc] = 0x70; // ADV_Data[18] =p
electronichamsters 12:45c2bb8231bf 630 JSON_loc++; //19
electronichamsters 12:45c2bb8231bf 631 }
electronichamsters 12:45c2bb8231bf 632
electronichamsters 12:45c2bb8231bf 633 AdvData[JSON_loc] = 0x22; //ADV_Data[17 or 19] = "
electronichamsters 12:45c2bb8231bf 634 JSON_loc++; //20
electronichamsters 12:45c2bb8231bf 635 AdvData[JSON_loc] = 0x3a; //ADV_Data[18 or 20] = :
electronichamsters 12:45c2bb8231bf 636 JSON_loc++; //21
electronichamsters 12:45c2bb8231bf 637
electronichamsters 12:45c2bb8231bf 638 //convert magnet variable to string, for magnet sensor, this is easy
electronichamsters 12:45c2bb8231bf 639 //since we only have 1 or 0, but this also works for analog values
electronichamsters 12:45c2bb8231bf 640 /*
electronichamsters 12:45c2bb8231bf 641 memset(&buffer[0], 0, sizeof(buffer)); //clear out buffer
electronichamsters 12:45c2bb8231bf 642 total_chars = sprintf (buffer, "%d", magnet_near); //returns total number of characters, which is 1 character.
electronichamsters 12:45c2bb8231bf 643 for (int i=0; i < total_chars; i++)
electronichamsters 12:45c2bb8231bf 644 {
electronichamsters 12:45c2bb8231bf 645 AdvData[JSON_loc] = buffer[i];
electronichamsters 12:45c2bb8231bf 646 JSON_loc++; //23
electronichamsters 12:45c2bb8231bf 647 } //JSON_loc left at location of next character
electronichamsters 12:45c2bb8231bf 648 */
electronichamsters 12:45c2bb8231bf 649
electronichamsters 12:45c2bb8231bf 650 //convert sensor data to string
electronichamsters 12:45c2bb8231bf 651 for (int i=0; i < json_len_01; i++)
electronichamsters 12:45c2bb8231bf 652 {
electronichamsters 12:45c2bb8231bf 653 AdvData[JSON_loc] = json_char_01[i];
electronichamsters 12:45c2bb8231bf 654 JSON_loc++;
electronichamsters 12:45c2bb8231bf 655 } //JSON_loc left at location of next character
electronichamsters 12:45c2bb8231bf 656
electronichamsters 12:45c2bb8231bf 657 //AdvData[JSON_loc] = 0x0; //since AdvData was cleared to start with, we don't need to null term
electronichamsters 12:45c2bb8231bf 658 }//end Flag_Update_ADV_01==1
electronichamsters 12:45c2bb8231bf 659 if (Flag_Update_ADV_01 == 2) //humidity
electronichamsters 12:45c2bb8231bf 660 {
electronichamsters 12:45c2bb8231bf 661 JSON_loc = 13;
electronichamsters 12:45c2bb8231bf 662 AdvData[JSON_loc] = 0x22; //ADV_Data[13] = "
electronichamsters 12:45c2bb8231bf 663 JSON_loc++; //14
electronichamsters 12:45c2bb8231bf 664
electronichamsters 12:45c2bb8231bf 665 AdvData[JSON_loc] = 0x48; //ADV_Data[14] = H = 0x48
electronichamsters 12:45c2bb8231bf 666 JSON_loc++; //15
electronichamsters 12:45c2bb8231bf 667
electronichamsters 12:45c2bb8231bf 668 AdvData[JSON_loc] = 0x55; //ADV_Data[15] = U = 0x55
electronichamsters 12:45c2bb8231bf 669 JSON_loc++; //16
electronichamsters 12:45c2bb8231bf 670
electronichamsters 12:45c2bb8231bf 671 AdvData[JSON_loc] = 0x4d; //ADV_Data[16] = M = 0x4d
electronichamsters 12:45c2bb8231bf 672 JSON_loc++; //17
electronichamsters 12:45c2bb8231bf 673
electronichamsters 12:45c2bb8231bf 674 //for periodic calls, we want to add an extra mqtt level "p", using "/p"
electronichamsters 12:45c2bb8231bf 675 //to delineate between MQTT publishes from real world I/O interrupts vs timer interrupts
electronichamsters 12:45c2bb8231bf 676 if (Flag_Periodic_Call)
electronichamsters 12:45c2bb8231bf 677 {
electronichamsters 12:45c2bb8231bf 678 AdvData[JSON_loc] = 0x2f; // ADV_Data[17] = /
electronichamsters 12:45c2bb8231bf 679 JSON_loc++; //18
electronichamsters 12:45c2bb8231bf 680 AdvData[JSON_loc] = 0x70; // ADV_Data[18] =p
electronichamsters 12:45c2bb8231bf 681 JSON_loc++; //19
electronichamsters 12:45c2bb8231bf 682 }
electronichamsters 12:45c2bb8231bf 683
electronichamsters 12:45c2bb8231bf 684 AdvData[JSON_loc] = 0x22; //ADV_Data[17 or 19] = "
electronichamsters 12:45c2bb8231bf 685 JSON_loc++; //20
electronichamsters 12:45c2bb8231bf 686 AdvData[JSON_loc] = 0x3a; //ADV_Data[18 or 20] = :
electronichamsters 12:45c2bb8231bf 687 JSON_loc++; //21
electronichamsters 12:45c2bb8231bf 688
electronichamsters 8:46c5e0bfab05 689
electronichamsters 12:45c2bb8231bf 690 //convert sensor data to string
electronichamsters 12:45c2bb8231bf 691 //memset(&buffer[0], 0, sizeof(buffer)); //clear out buffer
electronichamsters 12:45c2bb8231bf 692 for (int i=0; i < json_len_02; i++)
electronichamsters 12:45c2bb8231bf 693 {
electronichamsters 12:45c2bb8231bf 694 AdvData[JSON_loc] = json_char_02[i];
electronichamsters 12:45c2bb8231bf 695 JSON_loc++;
electronichamsters 12:45c2bb8231bf 696 } //JSON_loc left at location of next character
electronichamsters 12:45c2bb8231bf 697
electronichamsters 12:45c2bb8231bf 698 //AdvData[JSON_loc] = 0x0; //since AdvData was cleared to start with, we don't need to null term
electronichamsters 12:45c2bb8231bf 699
electronichamsters 12:45c2bb8231bf 700 } //end if (Flag_Update_ADV_01 == 2)
electronichamsters 12:45c2bb8231bf 701 if (Flag_Update_ADV_01 == 3) //light sensor
electronichamsters 12:45c2bb8231bf 702 {
electronichamsters 12:45c2bb8231bf 703 JSON_loc = 13;
electronichamsters 12:45c2bb8231bf 704 AdvData[JSON_loc] = 0x22; //ADV_Data[13] = "
electronichamsters 12:45c2bb8231bf 705 JSON_loc++; //14
electronichamsters 12:45c2bb8231bf 706
electronichamsters 12:45c2bb8231bf 707 AdvData[JSON_loc] = 0x4C; //ADV_Data[14] = L = 0x4C, as in lumin
electronichamsters 12:45c2bb8231bf 708 JSON_loc++; //15
electronichamsters 12:45c2bb8231bf 709
electronichamsters 12:45c2bb8231bf 710 AdvData[JSON_loc] = 0x55; //ADV_Data[15] = U = 0x55
electronichamsters 12:45c2bb8231bf 711 JSON_loc++; //16
electronichamsters 12:45c2bb8231bf 712
electronichamsters 12:45c2bb8231bf 713 AdvData[JSON_loc] = 0x4d; //ADV_Data[16] = M = 0x4d
electronichamsters 12:45c2bb8231bf 714 JSON_loc++; //17
electronichamsters 12:45c2bb8231bf 715
electronichamsters 12:45c2bb8231bf 716 //for periodic calls, we want to add an extra mqtt level "p", using "/p"
electronichamsters 12:45c2bb8231bf 717 //to delineate between MQTT publishes from real world I/O interrupts vs timer interrupts
electronichamsters 12:45c2bb8231bf 718 if (Flag_Periodic_Call)
electronichamsters 12:45c2bb8231bf 719 {
electronichamsters 12:45c2bb8231bf 720 AdvData[JSON_loc] = 0x2f; // ADV_Data[17] = /
electronichamsters 12:45c2bb8231bf 721 JSON_loc++; //18
electronichamsters 12:45c2bb8231bf 722 AdvData[JSON_loc] = 0x70; // ADV_Data[18] =p
electronichamsters 12:45c2bb8231bf 723 JSON_loc++; //19
electronichamsters 12:45c2bb8231bf 724 }
electronichamsters 12:45c2bb8231bf 725
electronichamsters 12:45c2bb8231bf 726 AdvData[JSON_loc] = 0x22; //ADV_Data[17 or 19] = "
electronichamsters 12:45c2bb8231bf 727 JSON_loc++; //20
electronichamsters 12:45c2bb8231bf 728 AdvData[JSON_loc] = 0x3a; //ADV_Data[18 or 20] = :
electronichamsters 12:45c2bb8231bf 729 JSON_loc++; //21
electronichamsters 12:45c2bb8231bf 730
electronichamsters 12:45c2bb8231bf 731
electronichamsters 12:45c2bb8231bf 732 //convert sensor data to string
electronichamsters 12:45c2bb8231bf 733 //memset(&buffer[0], 0, sizeof(buffer)); //clear out buffer
electronichamsters 12:45c2bb8231bf 734 for (int i=0; i < json_len_03; i++)
electronichamsters 12:45c2bb8231bf 735 {
electronichamsters 12:45c2bb8231bf 736 AdvData[JSON_loc] = json_char_03[i];
electronichamsters 12:45c2bb8231bf 737 JSON_loc++;
electronichamsters 12:45c2bb8231bf 738 } //JSON_loc left at location of next character
electronichamsters 12:45c2bb8231bf 739
electronichamsters 12:45c2bb8231bf 740 //AdvData[JSON_loc] = 0x0; //since AdvData was cleared to start with, we don't need to null term
electronichamsters 12:45c2bb8231bf 741
electronichamsters 12:45c2bb8231bf 742 } //end if (Flag_Update_ADV_01 == 3)
electronichamsters 12:45c2bb8231bf 743
electronichamsters 12:45c2bb8231bf 744
rgrover1 5:f4d74a8cad43 745 ApplicationData_t appData;
rgrover1 5:f4d74a8cad43 746 setupApplicationData(appData);
electronichamsters 8:46c5e0bfab05 747
electronichamsters 12:45c2bb8231bf 748 /*********************
electronichamsters 12:45c2bb8231bf 749 * start encrypting last 16 bytes of ADV_Data
electronichamsters 12:45c2bb8231bf 750 *********************/
electronichamsters 8:46c5e0bfab05 751 for (int i=0; i<16; i++)
electronichamsters 8:46c5e0bfab05 752 {
electronichamsters 10:79e8f92ef156 753 src_buf[i] = AdvData[i+10]; //start of encrypted section is at AdvData[10]
electronichamsters 8:46c5e0bfab05 754 }
electronichamsters 8:46c5e0bfab05 755 nrf_ecb_init();
electronichamsters 8:46c5e0bfab05 756 nrf_ecb_set_key(key_buf);
electronichamsters 8:46c5e0bfab05 757 bool successful_ecb = nrf_ecb_crypt(des_buf, src_buf);
electronichamsters 12:45c2bb8231bf 758 #if MyDebugEnb
electronichamsters 12:45c2bb8231bf 759 device.printf("success ecb = %d \r\n", successful_ecb);
electronichamsters 12:45c2bb8231bf 760 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 12:45c2bb8231bf 761 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 12:45c2bb8231bf 762 #endif
electronichamsters 12:45c2bb8231bf 763 for (int i=0; i<16; i++) //replace last 16 bytes with encrypted 16 bytes
electronichamsters 8:46c5e0bfab05 764 {
electronichamsters 10:79e8f92ef156 765 AdvData[i+10] = des_buf[i];
electronichamsters 8:46c5e0bfab05 766 }
electronichamsters 8:46c5e0bfab05 767
electronichamsters 12:45c2bb8231bf 768 //set payload for advertisement to our custom manufactured data. First 5 bytes is BLE standard, last 26 bytes is our array
electronichamsters 8:46c5e0bfab05 769 //ble.gap().updateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *) &appData, sizeof(ApplicationData_t));
electronichamsters 8:46c5e0bfab05 770 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData));
electronichamsters 8:46c5e0bfab05 771
electronichamsters 12:45c2bb8231bf 772
electronichamsters 12:45c2bb8231bf 773 ble.gap().startAdvertising();
electronichamsters 8:46c5e0bfab05 774
electronichamsters 12:45c2bb8231bf 775 //Advertise THIS data for X seconds, then advertisement the next sensor, etc...
electronichamsters 12:45c2bb8231bf 776 Tic_Stop_Adv.attach(stop_adv_Callback, Seconds_Per_Advertisement);
electronichamsters 12:45c2bb8231bf 777
electronichamsters 12:45c2bb8231bf 778 }//end Flag_Update_ADV_##
electronichamsters 8:46c5e0bfab05 779
electronichamsters 8:46c5e0bfab05 780
electronichamsters 12:45c2bb8231bf 781 if (Flag_Detach_Adv_Tic == true) //ticker callback flag to stop advertising
electronichamsters 8:46c5e0bfab05 782 {
electronichamsters 8:46c5e0bfab05 783 ble.gap().stopAdvertising(); //may be safer to execute BLE operations in main
electronichamsters 12:45c2bb8231bf 784 Tic_Stop_Adv.detach();
electronichamsters 12:45c2bb8231bf 785 Flag_Detach_Adv_Tic = false;
electronichamsters 8:46c5e0bfab05 786 }
electronichamsters 8:46c5e0bfab05 787
electronichamsters 12:45c2bb8231bf 788 ble.waitForEvent(); //sleeps until interrupt form ticker or I/O
electronichamsters 8:46c5e0bfab05 789 }//end forever while
electronichamsters 8:46c5e0bfab05 790 }//end main