Eric Tsai / BLE_Sensor_Good_Vibrations

BLE washer / dryer sensor

main.cpp@13:4b9bbd8d8d1f, 2018-06-19 (annotated)

Committer:
electronichamsters
Date:
Tue Jun 19 03:55:00 2018 +0000
Revision:
13:4b9bbd8d8d1f
Parent:
12:9bb01e063498
Child:
14:69eb8aa4cbfd
Fork of BLE sensor basic program for vibration sensing (washer/dryer) application, using purple BLE module with nRF51822 + LIS3DH

Who changed what in which revision?

UserRevisionLine numberNew contents of line
electronichamsters 12:9bb01e063498 1 /*
electronichamsters 13:4b9bbd8d8d1f 2 * Copyright (c) Eric Tsai 2018
electronichamsters 12:9bb01e063498 3 *
electronichamsters 12:9bb01e063498 4 *
electronichamsters 12:9bb01e063498 5 * Licensed under the Apache License, Version 2.0 (the "License");
electronichamsters 12:9bb01e063498 6 * you may not use this file except in compliance with the License.
electronichamsters 12:9bb01e063498 7 * You may obtain a copy of the License at
electronichamsters 12:9bb01e063498 8 *
electronichamsters 12:9bb01e063498 9 * http://www.apache.org/licenses/LICENSE-2.0
electronichamsters 12:9bb01e063498 10 *
electronichamsters 12:9bb01e063498 11 * Unless required by applicable law or agreed to in writing, software
electronichamsters 12:9bb01e063498 12 * distributed under the License is distributed on an "AS IS" BASIS,
electronichamsters 12:9bb01e063498 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
electronichamsters 12:9bb01e063498 14 * See the License for the specific language governing permissions and
electronichamsters 12:9bb01e063498 15 * limitations under the License.
electronichamsters 12:9bb01e063498 16 *
electronichamsters 12:9bb01e063498 17 *
electronichamsters 12:9bb01e063498 18 * Credit: started with the basic BLE Temperature Beacon code from mbed Bluetooth Low Energy team
electronichamsters 12:9bb01e063498 19 * https://developer.mbed.org/teams/Bluetooth-Low-Energy/code/BLE_TemperatureBeacon/file/0a8bbb6dea16/main.cpp
electronichamsters 12:9bb01e063498 20 *
electronichamsters 12:9bb01e063498 21 * BLE sensor as Beacon advertisements. Intended to function with specific BLE observer.
electronichamsters 12:9bb01e063498 22 * Tested on nRF51822 targets on mbed.
electronichamsters 12:9bb01e063498 23 * keywords: todo, tochange
electronichamsters 13:4b9bbd8d8d1f 24 *
electronichamsters 13:4b9bbd8d8d1f 25 * LIS3DH on purple board. Use for washer/dryer sensor.
electronichamsters 12:9bb01e063498 26 */
electronichamsters 8:46c5e0bfab05 27
sunsmile2015 0:3dc6e424dba0 28
electronichamsters 8:46c5e0bfab05 29 extern "C"
electronichamsters 8:46c5e0bfab05 30 {
electronichamsters 12:9bb01e063498 31 #include "nrf_ecb.h" //required to call the ecb functions for encryption
electronichamsters 8:46c5e0bfab05 32 }
electronichamsters 8:46c5e0bfab05 33
sunsmile2015 0:3dc6e424dba0 34 #include "mbed.h"
rgrover1 5:f4d74a8cad43 35 #include "toolchain.h"
sunsmile2015 0:3dc6e424dba0 36 #include "ble/BLE.h"
sunsmile2015 0:3dc6e424dba0 37 #include "TMP_nrf51/TMP_nrf51.h"
electronichamsters 13:4b9bbd8d8d1f 38 #include "LIS3DH.h" //https://developer.mbed.org/users/kenjiArai/code/LIS3DH/
electronichamsters 8:46c5e0bfab05 39
electronichamsters 12:9bb01e063498 40 /*******************************************************************************************
electronichamsters 12:9bb01e063498 41 * START tochange: items that may need customization depending on sensors, hardware, and desired behavior
electronichamsters 12:9bb01e063498 42 *******************************************************************************************/
electronichamsters 13:4b9bbd8d8d1f 43 const uint16_t Periodic_Update_Seconds = 900; //number of seconds between periodic I/O status re-transmits 900s =15 min.
electronichamsters 12:9bb01e063498 44 #define MyDebugEnb 0 //enables serial output for debug, consumes ~1mA when idle
electronichamsters 12:9bb01e063498 45 uint8_t magnet_near=0; //this I/O, specifically for reed switch sensor
electronichamsters 10:79e8f92ef156 46
electronichamsters 13:4b9bbd8d8d1f 47 #define sensorEnb 1 //get readings
electronichamsters 13:4b9bbd8d8d1f 48 #define buttonEnb 1
electronichamsters 13:4b9bbd8d8d1f 49
electronichamsters 13:4b9bbd8d8d1f 50
electronichamsters 11:4f925834167d 51
electronichamsters 12:9bb01e063498 52 /* hardware interrupt pins, selected based on hardware
electronichamsters 12:9bb01e063498 53 *Syntax: Pin "P0.4" on nRF51822 documentation is mbed "p4".
electronichamsters 12:9bb01e063498 54 * InterruptIn is pulled-up. GND the pin to activate.
electronichamsters 12:9bb01e063498 55 */
electronichamsters 13:4b9bbd8d8d1f 56 #if buttonEnb
electronichamsters 13:4b9bbd8d8d1f 57 InterruptIn button1(p16); //nRF51822
electronichamsters 13:4b9bbd8d8d1f 58 InterruptIn button2(p15); //nRF51822
electronichamsters 13:4b9bbd8d8d1f 59 InterruptIn button3(p12); //nRF51822
electronichamsters 13:4b9bbd8d8d1f 60 InterruptIn button4(p23); //nRF51822
electronichamsters 13:4b9bbd8d8d1f 61 InterruptIn button5(p24); //nRF51822
electronichamsters 13:4b9bbd8d8d1f 62 InterruptIn button6(p25); //nRF51822
electronichamsters 13:4b9bbd8d8d1f 63 InterruptIn button7(p28); //nRF51822
electronichamsters 13:4b9bbd8d8d1f 64 InterruptIn button8(p29); //nRF51822
electronichamsters 13:4b9bbd8d8d1f 65 InterruptIn button9(p30); //nRF51822
electronichamsters 13:4b9bbd8d8d1f 66
electronichamsters 13:4b9bbd8d8d1f 67
electronichamsters 13:4b9bbd8d8d1f 68 #endif
electronichamsters 13:4b9bbd8d8d1f 69
electronichamsters 13:4b9bbd8d8d1f 70 #if sensorEnb
electronichamsters 13:4b9bbd8d8d1f 71 InterruptIn lis3dh_int1(p1); //nRF51822 P0.1
electronichamsters 13:4b9bbd8d8d1f 72 //LIS3DH data(p6, p7, (0x19 << 1)); //for purple board, sda=p6, scl=p7
electronichamsters 13:4b9bbd8d8d1f 73 LIS3DH data(p6, p7, LIS3DH_V_CHIP_ADDR);
electronichamsters 13:4b9bbd8d8d1f 74
electronichamsters 13:4b9bbd8d8d1f 75 //0001 1001 ---> 0011 0010
electronichamsters 13:4b9bbd8d8d1f 76 #endif
electronichamsters 13:4b9bbd8d8d1f 77 bool flag_read_acc;
electronichamsters 13:4b9bbd8d8d1f 78
electronichamsters 13:4b9bbd8d8d1f 79
electronichamsters 13:4b9bbd8d8d1f 80
electronichamsters 13:4b9bbd8d8d1f 81
electronichamsters 13:4b9bbd8d8d1f 82 //purple boards
electronichamsters 13:4b9bbd8d8d1f 83 //InterruptIn button1(p23); //nRF51822 P0.23
electronichamsters 13:4b9bbd8d8d1f 84 //InterruptIn button2(p24); //nRF51822 P0.24
electronichamsters 12:9bb01e063498 85 /******************************************************************************************
electronichamsters 12:9bb01e063498 86 * END tochange
electronichamsters 12:9bb01e063498 87 *******************************************************************************************/
electronichamsters 8:46c5e0bfab05 88
electronichamsters 12:9bb01e063498 89
electronichamsters 8:46c5e0bfab05 90 #if MyDebugEnb
electronichamsters 12:9bb01e063498 91 // if you see ~1mA consumption during sleep, that's because MyDebugEnb==1, it's enabled.
electronichamsters 8:46c5e0bfab05 92 Serial device(p9, p11); //nRF51822 uart : TX=p9. RX=p11
electronichamsters 8:46c5e0bfab05 93 #endif
electronichamsters 8:46c5e0bfab05 94
electronichamsters 12:9bb01e063498 95 static Ticker Tic_Stop_Adv; //used to stop advertising after X seconds
electronichamsters 12:9bb01e063498 96 static Ticker Tic_Debounce; //debounce I/O
electronichamsters 12:9bb01e063498 97 static Ticker Tic_Periodic; //transmit sensor data on a periodic basis outside I/O events
electronichamsters 8:46c5e0bfab05 98
electronichamsters 13:4b9bbd8d8d1f 99
electronichamsters 12:9bb01e063498 100 const uint16_t Periodicity = 1800; //birthday periodicity used for spoof checking, must match gateway. Should be 1800 seconds for 30minutes
electronichamsters 12:9bb01e063498 101 static Timer Tmr_From_Birthday; //holds number of seconds since birthday, for spoof detection
electronichamsters 12:9bb01e063498 102 static Ticker Tic_Birthday; //resets Tmr_From_Birthday every Periodicity seconds, for spoof detection
electronichamsters 12:9bb01e063498 103
electronichamsters 8:46c5e0bfab05 104
electronichamsters 12:9bb01e063498 105 static bool Flag_Update_IO = false; //flag to indicate event is hardware interrupt
electronichamsters 12:9bb01e063498 106 static bool Flag_Periodic_Call = false; //flag to indicate event is periodic callback
electronichamsters 12:9bb01e063498 107 static bool Flag_Detach_Adv_Tic = false; //flag to stop advertising
electronichamsters 12:9bb01e063498 108
electronichamsters 12:9bb01e063498 109 /* Optional: Device Name, add for human read-ability */
electronichamsters 12:9bb01e063498 110 const static char DEVICE_NAME[] = "LOL";
electronichamsters 8:46c5e0bfab05 111
electronichamsters 8:46c5e0bfab05 112
electronichamsters 12:9bb01e063498 113 //Advertisement Data
electronichamsters 12:9bb01e063498 114 //note: AdvData[] holds bytes [5] to byte [30] of entire advertising data. The user content part after ADV flag and header
electronichamsters 12:9bb01e063498 115 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 12:9bb01e063498 116 char buffer[10]={0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; //hold I/O reading json
electronichamsters 12:9bb01e063498 117 char bat_volt_char[6] = {0, 0, 0, 0, 0, 0}; //hold json for battery reading
electronichamsters 12:9bb01e063498 118 uint8_t Adv_First_Section[10]; //holds the first several bytes with a pattern indicating this sensor is "one of ours"
electronichamsters 12:9bb01e063498 119 uint8_t mac_reverse[6] = {0x0,0x0,0x0,0x0,0x0,0x0}; //mac address for this module
rgrover1 5:f4d74a8cad43 120
electronichamsters 12:9bb01e063498 121 /***** Advertisement structure is 31 Bytes ****************
electronichamsters 12:9bb01e063498 122
electronichamsters 12:9bb01e063498 123 https://docs.mbed.com/docs/ble-intros/en/latest/Advanced/CustomGAP/
electronichamsters 8:46c5e0bfab05 124
electronichamsters 12:9bb01e063498 125 Full Advertisement:
electronichamsters 12:9bb01e063498 126 First 5 bytes are set by stack according to flag and header parameters.
electronichamsters 12:9bb01e063498 127 Last 26 bytes are user data
electronichamsters 12:9bb01e063498 128 -- tabbed --
electronichamsters 12:9bb01e063498 129 Byte 0 | AD1 Length | 0x02 | AD1 is 2 bytes long
electronichamsters 12:9bb01e063498 130 Byte 1 | AD1 Type | 0x01 | AD1 Data interpreted as flag
electronichamsters 12:9bb01e063498 131 Byte 2 | AD1 Data 0 | 0x06 | AD1 Data flag mean "00000110"
electronichamsters 12:9bb01e063498 132 Byte 3 | AD2 Length | 0x1B | AD2 is 27 bytes (0x1B) long (rest of this data)
electronichamsters 12:9bb01e063498 133 Byte 4 | AD2 Type | 0xFF | 0xFF mean Manufacturer Specific Data
electronichamsters 12:9bb01e063498 134 Byte 5 | AD2 Data 0 | ADV_Data[0] | "our device" flag, MAC[3]
electronichamsters 12:9bb01e063498 135 Byte 6 | AD2 Data 1 | ADV_Data[1] | "out device" flag, MAC[2]
electronichamsters 12:9bb01e063498 136 Byte 7 | AD2 Data 2 | ADV_Data[2] | "out device" flag, MAC[1]
electronichamsters 12:9bb01e063498 137 Byte 8 | AD2 Data 3 | ADV_Data[3] | "out device" flag, MAC[0]
electronichamsters 12:9bb01e063498 138 Byte 9 | AD2 Data 4 | ADV_Data[4] | battery voltage json MSB, ie 3 in 3.14
electronichamsters 12:9bb01e063498 139 Byte 10 | AD2 Data 5 | ADV_Data[5] | battery voltage json
electronichamsters 12:9bb01e063498 140 Byte 11 | AD2 Data 6 | ADV_Data[6] | battery voltage json
electronichamsters 12:9bb01e063498 141 Byte 12 | AD2 Data 7 | ADV_Data[7] | battery voltage json LSB, ie 4 in 3.14
electronichamsters 12:9bb01e063498 142 Byte 13 | AD2 Data 8 | ADV_Data[8] | reserved
electronichamsters 12:9bb01e063498 143 Byte 14 | AD2 Data 9 | ADV_Data[9] | reserved
electronichamsters 12:9bb01e063498 144 Byte 15 | AD2 Data 10 | ADV_Data[10] Encrypted | spoof - clock high byte, range 0 to 1800 seconds
electronichamsters 12:9bb01e063498 145 Byte 16 | AD2 Data 11 | ADV_Data[11] Encrypted | spoof - clock low byte
electronichamsters 12:9bb01e063498 146 Byte 17 | AD2 Data 12 | ADV_Data[12] Encrypted | Xmit_Cnt - increments per transmit event, 0-255
electronichamsters 12:9bb01e063498 147 Byte 18 | AD2 Data 13 | ADV_Data[13] Encrypted | JSON[0]
electronichamsters 12:9bb01e063498 148 Byte 19 | AD2 Data 14 | ADV_Data[14] Encrypted | JSON[1]
electronichamsters 12:9bb01e063498 149 Byte 20 | AD2 Data 15 | ADV_Data[15] Encrypted | JSON[2]
electronichamsters 12:9bb01e063498 150 Byte 21 | AD2 Data 16 | ADV_Data[16] Encrypted | JSON[3]
electronichamsters 12:9bb01e063498 151 Byte 22 | AD2 Data 17 | ADV_Data[17] Encrypted | JSON[4]
electronichamsters 12:9bb01e063498 152 Byte 23 | AD2 Data 18 | ADV_Data[18] Encrypted | JSON[5]
electronichamsters 12:9bb01e063498 153 Byte 24 | AD2 Data 19 | ADV_Data[19] Encrypted | JSON[6]
electronichamsters 12:9bb01e063498 154 Byte 25 | AD2 Data 20 | ADV_Data[20] Encrypted | JSON[7]
electronichamsters 12:9bb01e063498 155 Byte 26 | AD2 Data 21 | ADV_Data[21] Encrypted | JSON[8]
electronichamsters 12:9bb01e063498 156 Byte 27 | AD2 Data 22 | ADV_Data[22] Encrypted | JSON[9]
electronichamsters 12:9bb01e063498 157 Byte 28 | AD2 Data 23 | ADV_Data[23] Encrypted | JSON[10]
electronichamsters 12:9bb01e063498 158 Byte 29 | AD2 Data 24 | ADV_Data[24] Encrypted | JSON[11]
electronichamsters 12:9bb01e063498 159 Byte 30 | AD2 Data 25 | ADV_Data[25] Encrypted | JSON[12]
electronichamsters 8:46c5e0bfab05 160
electronichamsters 12:9bb01e063498 161 ***************************************************/
electronichamsters 8:46c5e0bfab05 162
electronichamsters 8:46c5e0bfab05 163
electronichamsters 8:46c5e0bfab05 164 static uint8_t key[16] = {0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4};
electronichamsters 8:46c5e0bfab05 165 //26 bytes adv data
electronichamsters 8:46c5e0bfab05 166 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 167 //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 168 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 169 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 170 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 171
electronichamsters 10:79e8f92ef156 172 uint8_t Xmit_Cnt = 1;
electronichamsters 8:46c5e0bfab05 173
electronichamsters 8:46c5e0bfab05 174
electronichamsters 13:4b9bbd8d8d1f 175 //track button press on toy
electronichamsters 13:4b9bbd8d8d1f 176 Timer Tmr_Click_Duration;
electronichamsters 13:4b9bbd8d8d1f 177 uint8_t which_button = 0;
electronichamsters 13:4b9bbd8d8d1f 178 uint16_t button_pressed_ms;
electronichamsters 13:4b9bbd8d8d1f 179 const uint8_t reset_addr = 0x31; //LIS3DH_INT1_SOURCE
electronichamsters 13:4b9bbd8d8d1f 180
electronichamsters 13:4b9bbd8d8d1f 181 //track motion
electronichamsters 13:4b9bbd8d8d1f 182 static Ticker Tic_Motion; //used to stop re-enabled latched motion interrupt
electronichamsters 13:4b9bbd8d8d1f 183 static uint8_t Cnt_Activity = 0;
electronichamsters 13:4b9bbd8d8d1f 184 //const uint8_t SECONDS_RESET = 120; //Every x seconds, reset ___
electronichamsters 13:4b9bbd8d8d1f 185
electronichamsters 13:4b9bbd8d8d1f 186 // SECONDS_CONSIDER_ACTIVITY should be > SECONDS_RE_ENABLE_MOTION_INT;
electronichamsters 13:4b9bbd8d8d1f 187 const uint8_t SECONDS_RE_ENABLE_MOTION_INT = 20; //re-enable motion interrupt after X seconds
electronichamsters 13:4b9bbd8d8d1f 188 //const uint8_t SECONDS_CONSIDER_ACTIVITY = 20; //must see motion interrupt
electronichamsters 13:4b9bbd8d8d1f 189 const uint8_t COUNT_CONSIDER_ACTIVITY = 3; // Cnt_Activity must be greater than this before activity broadcast
electronichamsters 13:4b9bbd8d8d1f 190
electronichamsters 13:4b9bbd8d8d1f 191 //this is like deadband between seeing motion and no motion.
electronichamsters 13:4b9bbd8d8d1f 192 const uint8_t SECONDS_RESET_ACTIVITY = 140; //reset Cnt_Activity after X seconds of no activity.
electronichamsters 13:4b9bbd8d8d1f 193 //Timer Tmr_Btw_Motion; //?? need to start somewhere;
electronichamsters 13:4b9bbd8d8d1f 194 static Ticker Tic_Reset_CNT_Activity;
electronichamsters 13:4b9bbd8d8d1f 195 static bool Flag_Activity=0;
electronichamsters 13:4b9bbd8d8d1f 196
electronichamsters 8:46c5e0bfab05 197
electronichamsters 8:46c5e0bfab05 198 /* **** NOT USED **** */
electronichamsters 8:46c5e0bfab05 199 //16byte UUID loading happens here
electronichamsters 8:46c5e0bfab05 200 //Look at <GapAdvertisingData.h> for rest of definition
sunsmile2015 4:e5fa4c8838db 201 struct ApplicationData_t {
electronichamsters 8:46c5e0bfab05 202 //Byte 0: AppID High Byte
electronichamsters 8:46c5e0bfab05 203 //Byte 1: AppID Low Byte
electronichamsters 8:46c5e0bfab05 204 //Byte 2: sensor High Word
electronichamsters 8:46c5e0bfab05 205 //Byte 3:
electronichamsters 8:46c5e0bfab05 206 //Byte 4:
electronichamsters 8:46c5e0bfab05 207 //Byte 5: sensor Low Byte
electronichamsters 8:46c5e0bfab05 208
electronichamsters 8:46c5e0bfab05 209
electronichamsters 8:46c5e0bfab05 210 //app ID is 16 bit, (0xFEFE)
electronichamsters 8:46c5e0bfab05 211 uint16_t applicationSpecificId; /* An ID used to identify temperature value in the manufacture specific AD data field */
electronichamsters 8:46c5e0bfab05 212
electronichamsters 8:46c5e0bfab05 213 TMP_nrf51::TempSensorValue_t tmpSensorValue; /* this is a float (32-bit), user data */
rgrover1 5:f4d74a8cad43 214 } PACKED;
sunsmile2015 0:3dc6e424dba0 215
electronichamsters 8:46c5e0bfab05 216
electronichamsters 8:46c5e0bfab05 217
electronichamsters 13:4b9bbd8d8d1f 218 void Reset_CNT_Activity_Callback (void)
electronichamsters 13:4b9bbd8d8d1f 219 {
electronichamsters 13:4b9bbd8d8d1f 220 if (Flag_Activity == 1)
electronichamsters 13:4b9bbd8d8d1f 221 {
electronichamsters 13:4b9bbd8d8d1f 222 Flag_Activity = 0;
electronichamsters 13:4b9bbd8d8d1f 223 Flag_Update_IO = 1;
electronichamsters 13:4b9bbd8d8d1f 224 }
electronichamsters 13:4b9bbd8d8d1f 225 Tic_Reset_CNT_Activity.detach();
electronichamsters 13:4b9bbd8d8d1f 226 Cnt_Activity = 0;
electronichamsters 13:4b9bbd8d8d1f 227 }
electronichamsters 13:4b9bbd8d8d1f 228
electronichamsters 13:4b9bbd8d8d1f 229 //called on tic
electronichamsters 13:4b9bbd8d8d1f 230 void motion_response(void)
electronichamsters 13:4b9bbd8d8d1f 231 {
electronichamsters 13:4b9bbd8d8d1f 232 Tic_Motion.detach();
electronichamsters 13:4b9bbd8d8d1f 233 #if sensorEnb
electronichamsters 13:4b9bbd8d8d1f 234 data.read_reg(reset_addr); //reset's the latched interrupt
electronichamsters 13:4b9bbd8d8d1f 235 #endif
electronichamsters 13:4b9bbd8d8d1f 236
electronichamsters 13:4b9bbd8d8d1f 237 }
electronichamsters 13:4b9bbd8d8d1f 238
electronichamsters 13:4b9bbd8d8d1f 239 //called on interrupt
electronichamsters 13:4b9bbd8d8d1f 240 void motion_Callback(void)
electronichamsters 13:4b9bbd8d8d1f 241 {
electronichamsters 13:4b9bbd8d8d1f 242
electronichamsters 13:4b9bbd8d8d1f 243 //after motion seen, wait a while before resetting motion interrupt latch
electronichamsters 13:4b9bbd8d8d1f 244 Tic_Motion.attach(motion_response, SECONDS_RE_ENABLE_MOTION_INT); //every x seconds, re-enable motion interrupt
electronichamsters 13:4b9bbd8d8d1f 245
electronichamsters 13:4b9bbd8d8d1f 246 //reject incidental motion (like when loading laundry)
electronichamsters 13:4b9bbd8d8d1f 247 Tic_Reset_CNT_Activity.attach(Reset_CNT_Activity_Callback, SECONDS_RESET_ACTIVITY);
electronichamsters 13:4b9bbd8d8d1f 248 //if (which_button == 0) //there's a chance motion would over-riding button press event. avoid this.
electronichamsters 13:4b9bbd8d8d1f 249 //{
electronichamsters 13:4b9bbd8d8d1f 250 // which_button = 11;
electronichamsters 13:4b9bbd8d8d1f 251 // Flag_Update_IO = 1;
electronichamsters 13:4b9bbd8d8d1f 252 //}
electronichamsters 13:4b9bbd8d8d1f 253 //Tmr_Btw_Motion.start(); ??start here?
electronichamsters 13:4b9bbd8d8d1f 254 //if (Tmr_Btw_Motion.read_ms() < SECONDS_CONSIDER_ACTIVITY)
electronichamsters 13:4b9bbd8d8d1f 255 //{
electronichamsters 13:4b9bbd8d8d1f 256 if (Cnt_Activity>40)
electronichamsters 13:4b9bbd8d8d1f 257 {
electronichamsters 13:4b9bbd8d8d1f 258 //stop incrementing
electronichamsters 13:4b9bbd8d8d1f 259 }
electronichamsters 13:4b9bbd8d8d1f 260 else
electronichamsters 13:4b9bbd8d8d1f 261 {
electronichamsters 13:4b9bbd8d8d1f 262 Cnt_Activity++;
electronichamsters 13:4b9bbd8d8d1f 263 }
electronichamsters 13:4b9bbd8d8d1f 264 if ((Cnt_Activity > COUNT_CONSIDER_ACTIVITY) && (Flag_Activity == 0))
electronichamsters 13:4b9bbd8d8d1f 265 {
electronichamsters 13:4b9bbd8d8d1f 266 Flag_Activity = 1;
electronichamsters 13:4b9bbd8d8d1f 267 Flag_Update_IO = 1; //send signal, there's good vibrations!
electronichamsters 13:4b9bbd8d8d1f 268 //Tmr_Btw_Motion.reset();
electronichamsters 13:4b9bbd8d8d1f 269
electronichamsters 13:4b9bbd8d8d1f 270 }
electronichamsters 13:4b9bbd8d8d1f 271
electronichamsters 13:4b9bbd8d8d1f 272 }
electronichamsters 13:4b9bbd8d8d1f 273
electronichamsters 13:4b9bbd8d8d1f 274
electronichamsters 13:4b9bbd8d8d1f 275
electronichamsters 13:4b9bbd8d8d1f 276
electronichamsters 8:46c5e0bfab05 277 void debounce_Callback(void)
electronichamsters 8:46c5e0bfab05 278 {
electronichamsters 13:4b9bbd8d8d1f 279 //stop timer, save time
electronichamsters 13:4b9bbd8d8d1f 280 Tmr_Click_Duration.stop();
electronichamsters 13:4b9bbd8d8d1f 281 button_pressed_ms =(uint16_t)(Tmr_Click_Duration.read_ms());
electronichamsters 13:4b9bbd8d8d1f 282 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 283 device.printf("sending BLE for button %d \r\n", which_button);
electronichamsters 13:4b9bbd8d8d1f 284 #endif
electronichamsters 13:4b9bbd8d8d1f 285
electronichamsters 13:4b9bbd8d8d1f 286
electronichamsters 12:9bb01e063498 287 Tic_Debounce.detach();
electronichamsters 12:9bb01e063498 288 Flag_Update_IO = true; //start advertising
electronichamsters 8:46c5e0bfab05 289 /* Note that the buttonPressedCallback() executes in interrupt context, so it is safer to access
electronichamsters 8:46c5e0bfab05 290 * BLE device API from the main thread. */
electronichamsters 12:9bb01e063498 291
electronichamsters 8:46c5e0bfab05 292 }
electronichamsters 8:46c5e0bfab05 293
electronichamsters 12:9bb01e063498 294 //ISR for I/O interrupt
electronichamsters 8:46c5e0bfab05 295 void buttonPressedCallback(void)
sunsmile2015 2:b935358da5ba 296 {
electronichamsters 13:4b9bbd8d8d1f 297 //wait_ms(2); //debounce
electronichamsters 13:4b9bbd8d8d1f 298 //read I/O, mark which button was pressed
electronichamsters 13:4b9bbd8d8d1f 299
electronichamsters 13:4b9bbd8d8d1f 300
electronichamsters 13:4b9bbd8d8d1f 301 #if buttonEnb
electronichamsters 13:4b9bbd8d8d1f 302
electronichamsters 13:4b9bbd8d8d1f 303
electronichamsters 13:4b9bbd8d8d1f 304 if (button1.read() == 0) //buttons are pulled up, gnd when pressed
electronichamsters 13:4b9bbd8d8d1f 305 {
electronichamsters 13:4b9bbd8d8d1f 306 which_button = 1;
electronichamsters 13:4b9bbd8d8d1f 307 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 308 device.printf("is 1 button \r\n");
electronichamsters 13:4b9bbd8d8d1f 309 #endif
electronichamsters 13:4b9bbd8d8d1f 310 }
electronichamsters 13:4b9bbd8d8d1f 311 else if (button2.read() == 0)
electronichamsters 13:4b9bbd8d8d1f 312 {
electronichamsters 13:4b9bbd8d8d1f 313 which_button = 2;
electronichamsters 13:4b9bbd8d8d1f 314 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 315 device.printf("is 2 button \r\n");
electronichamsters 13:4b9bbd8d8d1f 316 #endif
electronichamsters 13:4b9bbd8d8d1f 317 }
electronichamsters 13:4b9bbd8d8d1f 318 else if (button3.read() == 0)
electronichamsters 13:4b9bbd8d8d1f 319 {
electronichamsters 13:4b9bbd8d8d1f 320 which_button = 3;
electronichamsters 13:4b9bbd8d8d1f 321 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 322 device.printf("is 3 button \r\n");
electronichamsters 13:4b9bbd8d8d1f 323 #endif
electronichamsters 13:4b9bbd8d8d1f 324 }
electronichamsters 13:4b9bbd8d8d1f 325 if (button4.read() == 0) //buttons are pulled up, gnd when pressed
electronichamsters 13:4b9bbd8d8d1f 326 {
electronichamsters 13:4b9bbd8d8d1f 327 which_button = 4;
electronichamsters 13:4b9bbd8d8d1f 328 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 329 device.printf("is 4 button \r\n");
electronichamsters 13:4b9bbd8d8d1f 330 #endif
electronichamsters 13:4b9bbd8d8d1f 331 }
electronichamsters 13:4b9bbd8d8d1f 332 else if (button5.read() == 0)
electronichamsters 13:4b9bbd8d8d1f 333 {
electronichamsters 13:4b9bbd8d8d1f 334 which_button = 5;
electronichamsters 13:4b9bbd8d8d1f 335 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 336 device.printf("is 5 button \r\n");
electronichamsters 13:4b9bbd8d8d1f 337 #endif
electronichamsters 13:4b9bbd8d8d1f 338 }
electronichamsters 13:4b9bbd8d8d1f 339 else if (button6.read() == 0)
electronichamsters 13:4b9bbd8d8d1f 340 {
electronichamsters 13:4b9bbd8d8d1f 341 which_button = 6;
electronichamsters 13:4b9bbd8d8d1f 342 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 343 device.printf("is 6 button \r\n");
electronichamsters 13:4b9bbd8d8d1f 344 #endif
electronichamsters 13:4b9bbd8d8d1f 345 }
electronichamsters 13:4b9bbd8d8d1f 346 if (button7.read() == 0) //buttons are pulled up, gnd when pressed
electronichamsters 13:4b9bbd8d8d1f 347 {
electronichamsters 13:4b9bbd8d8d1f 348 which_button = 7;
electronichamsters 13:4b9bbd8d8d1f 349 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 350 device.printf("is 7 button \r\n");
electronichamsters 13:4b9bbd8d8d1f 351 #endif
electronichamsters 13:4b9bbd8d8d1f 352 }
electronichamsters 13:4b9bbd8d8d1f 353 else if (button8.read() == 0)
electronichamsters 13:4b9bbd8d8d1f 354 {
electronichamsters 13:4b9bbd8d8d1f 355 which_button = 8;
electronichamsters 13:4b9bbd8d8d1f 356 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 357 device.printf("is 8 button \r\n");
electronichamsters 13:4b9bbd8d8d1f 358 #endif
electronichamsters 13:4b9bbd8d8d1f 359 }
electronichamsters 13:4b9bbd8d8d1f 360 else if (button9.read() == 0)
electronichamsters 13:4b9bbd8d8d1f 361 {
electronichamsters 13:4b9bbd8d8d1f 362 which_button = 9;
electronichamsters 13:4b9bbd8d8d1f 363 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 364 device.printf("is 9 button \r\n");
electronichamsters 13:4b9bbd8d8d1f 365 #endif
electronichamsters 13:4b9bbd8d8d1f 366 }
electronichamsters 13:4b9bbd8d8d1f 367 else
electronichamsters 13:4b9bbd8d8d1f 368 {
electronichamsters 13:4b9bbd8d8d1f 369 }
electronichamsters 13:4b9bbd8d8d1f 370 #endif
electronichamsters 13:4b9bbd8d8d1f 371
electronichamsters 13:4b9bbd8d8d1f 372
electronichamsters 13:4b9bbd8d8d1f 373
electronichamsters 13:4b9bbd8d8d1f 374 #if MyDebugEnb
electronichamsters 13:4b9bbd8d8d1f 375 device.printf("interrupt button= %d \r\n", which_button);
electronichamsters 13:4b9bbd8d8d1f 376 #endif
electronichamsters 13:4b9bbd8d8d1f 377 //reset and start timer
electronichamsters 13:4b9bbd8d8d1f 378 Tmr_Click_Duration.reset();
electronichamsters 13:4b9bbd8d8d1f 379 Tmr_Click_Duration.start();
electronichamsters 13:4b9bbd8d8d1f 380
electronichamsters 8:46c5e0bfab05 381 }
rgrover1 5:f4d74a8cad43 382
electronichamsters 12:9bb01e063498 383 //ISR for I/O interrupt
electronichamsters 8:46c5e0bfab05 384 void buttonReleasedCallback(void)
electronichamsters 8:46c5e0bfab05 385 {
electronichamsters 13:4b9bbd8d8d1f 386
electronichamsters 13:4b9bbd8d8d1f 387 Tic_Debounce.attach(debounce_Callback, 0.3);
electronichamsters 8:46c5e0bfab05 388 }
electronichamsters 8:46c5e0bfab05 389
electronichamsters 8:46c5e0bfab05 390
electronichamsters 8:46c5e0bfab05 391 void stop_adv_Callback(void)
electronichamsters 8:46c5e0bfab05 392 {
electronichamsters 8:46c5e0bfab05 393 //stops advertising after X seconds
electronichamsters 8:46c5e0bfab05 394 /* Note that the Callback() executes in interrupt context, so it is safer to do
rgrover1 5:f4d74a8cad43 395 * heavy-weight sensor polling from the main thread (where we should be able to block safely, if needed). */
electronichamsters 12:9bb01e063498 396 Flag_Detach_Adv_Tic = true;
electronichamsters 12:9bb01e063498 397
electronichamsters 12:9bb01e063498 398 }
electronichamsters 8:46c5e0bfab05 399
electronichamsters 12:9bb01e063498 400 /* ****************************************
electronichamsters 12:9bb01e063498 401 * Decides what actions need to be performed on periodic basis
electronichamsters 12:9bb01e063498 402 *******************************************/
electronichamsters 12:9bb01e063498 403 void periodic_Callback(void)
electronichamsters 12:9bb01e063498 404 {
electronichamsters 12:9bb01e063498 405 Flag_Update_IO = true;
electronichamsters 12:9bb01e063498 406 Flag_Periodic_Call = true;
electronichamsters 13:4b9bbd8d8d1f 407 which_button = 12; //no real button presses, just arbitrarly pick 12 to represent this.
electronichamsters 8:46c5e0bfab05 408 }
electronichamsters 8:46c5e0bfab05 409
electronichamsters 8:46c5e0bfab05 410
electronichamsters 12:9bb01e063498 411 /* ****************************************
electronichamsters 12:9bb01e063498 412 * No RTC available, tickers only have a 35 minute range.
electronichamsters 12:9bb01e063498 413 * So periodicity for spoof avoidance is set to 30 minutes
electronichamsters 12:9bb01e063498 414 *******************************************/
electronichamsters 10:79e8f92ef156 415 void clock_reset_Callback(void)
electronichamsters 10:79e8f92ef156 416 {
electronichamsters 10:79e8f92ef156 417 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 418 device.printf("===== reset timer =====");
electronichamsters 10:79e8f92ef156 419 device.printf("\r\n");
electronichamsters 10:79e8f92ef156 420 #endif
electronichamsters 12:9bb01e063498 421 Tmr_From_Birthday.reset();
electronichamsters 10:79e8f92ef156 422 };
electronichamsters 10:79e8f92ef156 423
electronichamsters 12:9bb01e063498 424
rgrover1 5:f4d74a8cad43 425 void setupApplicationData(ApplicationData_t &appData)
sunsmile2015 4:e5fa4c8838db 426 {
electronichamsters 8:46c5e0bfab05 427 // two byte ID: 0xFEFE
electronichamsters 8:46c5e0bfab05 428 static const uint16_t APP_SPECIFIC_ID_TEST = 0xFEFE; //2 byte application ID
andresag 7:0a8bbb6dea16 429
sunsmile2015 4:e5fa4c8838db 430 appData.applicationSpecificId = APP_SPECIFIC_ID_TEST;
sunsmile2015 0:3dc6e424dba0 431 }
sunsmile2015 0:3dc6e424dba0 432
electronichamsters 8:46c5e0bfab05 433
electronichamsters 8:46c5e0bfab05 434
andresag 7:0a8bbb6dea16 435 /**
andresag 7:0a8bbb6dea16 436 * This function is called when the ble initialization process has failled
andresag 7:0a8bbb6dea16 437 */
andresag 7:0a8bbb6dea16 438 void onBleInitError(BLE &ble, ble_error_t error)
andresag 7:0a8bbb6dea16 439 {
andresag 7:0a8bbb6dea16 440 /* Initialization error handling should go here */
andresag 7:0a8bbb6dea16 441 }
andresag 7:0a8bbb6dea16 442
electronichamsters 12:9bb01e063498 443
electronichamsters 12:9bb01e063498 444
andresag 7:0a8bbb6dea16 445 /**
andresag 7:0a8bbb6dea16 446 * Callback triggered when the ble initialization process has finished
andresag 7:0a8bbb6dea16 447 */
andresag 7:0a8bbb6dea16 448 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
sunsmile2015 2:b935358da5ba 449 {
andresag 7:0a8bbb6dea16 450 BLE& ble = params->ble;
andresag 7:0a8bbb6dea16 451 ble_error_t error = params->error;
andresag 7:0a8bbb6dea16 452
andresag 7:0a8bbb6dea16 453 if (error != BLE_ERROR_NONE) {
andresag 7:0a8bbb6dea16 454 /* In case of error, forward the error handling to onBleInitError */
andresag 7:0a8bbb6dea16 455 onBleInitError(ble, error);
andresag 7:0a8bbb6dea16 456 return;
andresag 7:0a8bbb6dea16 457 }
andresag 7:0a8bbb6dea16 458
andresag 7:0a8bbb6dea16 459 /* Ensure that it is the default instance of BLE */
andresag 7:0a8bbb6dea16 460 if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
andresag 7:0a8bbb6dea16 461 return;
andresag 7:0a8bbb6dea16 462 }
electronichamsters 8:46c5e0bfab05 463
electronichamsters 8:46c5e0bfab05 464 /* Set device name characteristic data */
electronichamsters 8:46c5e0bfab05 465 ble.gap().setDeviceName((const uint8_t *) DEVICE_NAME);
andresag 7:0a8bbb6dea16 466
rgrover1 5:f4d74a8cad43 467 /* Setup advertising payload */
electronichamsters 8:46c5e0bfab05 468 //set modes "no EDR", "discoverable" for beacon type advertisements
rgrover1 5:f4d74a8cad43 469 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
electronichamsters 8:46c5e0bfab05 470
electronichamsters 11:4f925834167d 471
electronichamsters 8:46c5e0bfab05 472 //from GAP example
electronichamsters 8:46c5e0bfab05 473 /* Sacrifice 2B of 31B to AdvType overhead, rest goes to AdvData array you define */
electronichamsters 8:46c5e0bfab05 474 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData));
electronichamsters 8:46c5e0bfab05 475
electronichamsters 8:46c5e0bfab05 476 /* Setup advertising parameters: not connectable */
electronichamsters 8:46c5e0bfab05 477 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
electronichamsters 12:9bb01e063498 478 ble.gap().setAdvertisingInterval(900); //one advertisment every 300ms. Self tickers, so you don't have to worry.
electronichamsters 8:46c5e0bfab05 479
electronichamsters 12:9bb01e063498 480 }
electronichamsters 8:46c5e0bfab05 481
electronichamsters 8:46c5e0bfab05 482
electronichamsters 11:4f925834167d 483 //not needed anymore
electronichamsters 8:46c5e0bfab05 484 void my_analogin_init(void)
electronichamsters 8:46c5e0bfab05 485 {
electronichamsters 10:79e8f92ef156 486
electronichamsters 8:46c5e0bfab05 487 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 8:46c5e0bfab05 488 (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 489 //(ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 8:46c5e0bfab05 490 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 8:46c5e0bfab05 491 (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 492 //(ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 8:46c5e0bfab05 493 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 494 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 8:46c5e0bfab05 495 }
sunsmile2015 2:b935358da5ba 496
electronichamsters 12:9bb01e063498 497
electronichamsters 12:9bb01e063498 498 /* ****************************************
electronichamsters 12:9bb01e063498 499 * Read battery voltage using bandgap reference
electronichamsters 12:9bb01e063498 500 * shunt Vdd to ADC, thanks to Marcelo Salazar's notes here:
electronichamsters 12:9bb01e063498 501 * https://developer.mbed.org/users/MarceloSalazar/notebook/measuring-battery-voltage-with-nordic-nrf51x/
electronichamsters 12:9bb01e063498 502 *******************************************/
electronichamsters 12:9bb01e063498 503 uint16_t read_bat_volt(void)
electronichamsters 8:46c5e0bfab05 504 {
electronichamsters 10:79e8f92ef156 505 //10 bit resolution, route Vdd as analog input, set ADC ref to VBG band gap
electronichamsters 10:79e8f92ef156 506 //disable analog pin select "PSEL" because we're using Vdd as analog input
electronichamsters 10:79e8f92ef156 507 //no external voltage reference
electronichamsters 10:79e8f92ef156 508 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 10:79e8f92ef156 509 (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 510 //(ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 511 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 10:79e8f92ef156 512 (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 513 //(ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 514 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 515
electronichamsters 10:79e8f92ef156 516 //NRF_ADC->CONFIG &= ~ADC_CONFIG_PSEL_Msk;
electronichamsters 10:79e8f92ef156 517 //NRF_ADC->CONFIG |= ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos;
electronichamsters 10:79e8f92ef156 518 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 10:79e8f92ef156 519 NRF_ADC->TASKS_START = 1;
electronichamsters 10:79e8f92ef156 520
electronichamsters 10:79e8f92ef156 521
electronichamsters 10:79e8f92ef156 522 //while loop doesn't actually loop until reading comlete, use a wait.
electronichamsters 10:79e8f92ef156 523 while (((NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) >> ADC_BUSY_BUSY_Pos) == ADC_BUSY_BUSY_Busy) {};
electronichamsters 13:4b9bbd8d8d1f 524 wait_ms(2);
electronichamsters 10:79e8f92ef156 525
electronichamsters 10:79e8f92ef156 526 //save off RESULT before disabling.
electronichamsters 10:79e8f92ef156 527 //uint16_t myresult = (uint16_t)NRF_ADC->RESULT;
electronichamsters 10:79e8f92ef156 528
electronichamsters 10:79e8f92ef156 529 //disable ADC to lower bat consumption
electronichamsters 13:4b9bbd8d8d1f 530 //NRF_ADC->TASKS_STOP = 1; //perform disable in main loop
electronichamsters 10:79e8f92ef156 531 //NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 10:79e8f92ef156 532
electronichamsters 10:79e8f92ef156 533 return (uint16_t)NRF_ADC->RESULT; // 10 bit
electronichamsters 10:79e8f92ef156 534 //return myresult;
electronichamsters 12:9bb01e063498 535 } //end read_bat_volt
electronichamsters 12:9bb01e063498 536
electronichamsters 12:9bb01e063498 537
electronichamsters 10:79e8f92ef156 538
electronichamsters 12:9bb01e063498 539 /* ****************************************
electronichamsters 12:9bb01e063498 540 * Read battery voltage using bandgap reference
electronichamsters 12:9bb01e063498 541 * shunt analog pin to ADC, from API here
electronichamsters 12:9bb01e063498 542 * https://developer.mbed.org/users/mbed_official/code/mbed-src/file/cb4253f91ada/targets/hal/TARGET_NORDIC/TARGET_NRF51822/analogin_api.c
electronichamsters 12:9bb01e063498 543 *******************************************/
electronichamsters 12:9bb01e063498 544 uint16_t read_ADC_pin(void)
electronichamsters 10:79e8f92ef156 545 {
electronichamsters 10:79e8f92ef156 546
electronichamsters 10:79e8f92ef156 547 //10 bit resolution, route PSEL pin as 1/3 input sel,
electronichamsters 10:79e8f92ef156 548 //set ADC ref to VBG band gap
electronichamsters 10:79e8f92ef156 549 //set AnalogInput4 as input pin (this is P0.03)
electronichamsters 10:79e8f92ef156 550 //no external voltage reference
electronichamsters 10:79e8f92ef156 551 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 10:79e8f92ef156 552 //(ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 553 (ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 554 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 10:79e8f92ef156 555 //ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 556 (ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 557 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 558 //set pin select to AnalogInput4 = pin 7 = p0.03 = AIN4
electronichamsters 10:79e8f92ef156 559 //NRF_ADC->CONFIG &= ~ADC_CONFIG_PSEL_Msk;
electronichamsters 10:79e8f92ef156 560 //NRF_ADC->CONFIG |= ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos;
electronichamsters 10:79e8f92ef156 561 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 8:46c5e0bfab05 562 NRF_ADC->TASKS_START = 1;
electronichamsters 8:46c5e0bfab05 563
electronichamsters 8:46c5e0bfab05 564
electronichamsters 8:46c5e0bfab05 565 //while loop doesn't actually loop until reading comlete, use a wait.
electronichamsters 8:46c5e0bfab05 566 while (((NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) >> ADC_BUSY_BUSY_Pos) == ADC_BUSY_BUSY_Busy) {};
electronichamsters 13:4b9bbd8d8d1f 567 wait_ms(2); //needed because busy while loop doesn't run.
electronichamsters 8:46c5e0bfab05 568
electronichamsters 8:46c5e0bfab05 569 //save off RESULT before disabling.
electronichamsters 8:46c5e0bfab05 570 //uint16_t myresult = (uint16_t)NRF_ADC->RESULT;
electronichamsters 8:46c5e0bfab05 571
electronichamsters 8:46c5e0bfab05 572 //disable ADC to lower bat consumption
electronichamsters 8:46c5e0bfab05 573 //NRF_ADC->TASKS_STOP = 1;
electronichamsters 8:46c5e0bfab05 574 //NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 8:46c5e0bfab05 575
electronichamsters 8:46c5e0bfab05 576 return (uint16_t)NRF_ADC->RESULT; // 10 bit
electronichamsters 8:46c5e0bfab05 577 //return myresult;
electronichamsters 12:9bb01e063498 578 } //end read_ADC_pin
sunsmile2015 4:e5fa4c8838db 579
electronichamsters 10:79e8f92ef156 580
electronichamsters 12:9bb01e063498 581 /* ****************************************
electronichamsters 12:9bb01e063498 582 * Pattern scheme indicating "one of ours"
electronichamsters 12:9bb01e063498 583 * generate first part of ADV data so that observer can recognize it as "one of ours".
electronichamsters 12:9bb01e063498 584 * use specific schema to decide how we're recognizing our sensor ADV
electronichamsters 12:9bb01e063498 585 *******************************************/
electronichamsters 10:79e8f92ef156 586 void hash_first_section(uint8_t * dest, const uint8_t * mac_addr, const char * bat_volt_str)
electronichamsters 10:79e8f92ef156 587 {
electronichamsters 10:79e8f92ef156 588 dest[0] = mac_addr[3];
electronichamsters 10:79e8f92ef156 589 dest[1] = mac_addr[2];
electronichamsters 10:79e8f92ef156 590 dest[2] = mac_addr[1];
electronichamsters 10:79e8f92ef156 591 dest[3] = mac_addr[0];
electronichamsters 10:79e8f92ef156 592 dest[4] = bat_volt_str[0];
electronichamsters 10:79e8f92ef156 593 dest[5] = bat_volt_str[1];
electronichamsters 10:79e8f92ef156 594 dest[6] = bat_volt_str[2];
electronichamsters 10:79e8f92ef156 595 dest[7] = bat_volt_str[3];
electronichamsters 10:79e8f92ef156 596 dest[8] = 0x10;
electronichamsters 10:79e8f92ef156 597 dest[9] = 0x11;
electronichamsters 12:9bb01e063498 598 #if MyDebugEnb
electronichamsters 12:9bb01e063498 599
electronichamsters 12:9bb01e063498 600 device.printf("hash array: ");
electronichamsters 12:9bb01e063498 601 for (int i=0; i<10; i++)
electronichamsters 12:9bb01e063498 602 {
electronichamsters 12:9bb01e063498 603 device.printf("%x ", dest[i]);
electronichamsters 12:9bb01e063498 604 }
electronichamsters 12:9bb01e063498 605 device.printf("\r\n");
electronichamsters 12:9bb01e063498 606 #endif
electronichamsters 10:79e8f92ef156 607 }
electronichamsters 10:79e8f92ef156 608
electronichamsters 10:79e8f92ef156 609
electronichamsters 13:4b9bbd8d8d1f 610
electronichamsters 13:4b9bbd8d8d1f 611
electronichamsters 13:4b9bbd8d8d1f 612
electronichamsters 12:9bb01e063498 613 /* ****************************************
electronichamsters 12:9bb01e063498 614 *
electronichamsters 12:9bb01e063498 615 * Main Loop
electronichamsters 12:9bb01e063498 616 *
electronichamsters 12:9bb01e063498 617 *******************************************/
sunsmile2015 2:b935358da5ba 618 int main(void)
sunsmile2015 2:b935358da5ba 619 {
electronichamsters 8:46c5e0bfab05 620
electronichamsters 12:9bb01e063498 621 #if MyDebugEnb
electronichamsters 12:9bb01e063498 622 device.baud(9600);
electronichamsters 12:9bb01e063498 623 device.printf("started sensor node 36 ");
electronichamsters 12:9bb01e063498 624 device.printf("\r\n");
electronichamsters 12:9bb01e063498 625 #endif
electronichamsters 8:46c5e0bfab05 626
electronichamsters 8:46c5e0bfab05 627
electronichamsters 12:9bb01e063498 628 Tmr_From_Birthday.start(); //tracks # sec since birthday
electronichamsters 8:46c5e0bfab05 629
sunsmile2015 0:3dc6e424dba0 630
andresag 7:0a8bbb6dea16 631 BLE &ble = BLE::Instance();
andresag 7:0a8bbb6dea16 632 ble.init(bleInitComplete);
electronichamsters 8:46c5e0bfab05 633
electronichamsters 8:46c5e0bfab05 634 float bat_reading; //hold battery voltage reading (Vbg/Vcc)
electronichamsters 8:46c5e0bfab05 635
electronichamsters 8:46c5e0bfab05 636 my_analogin_init();//routes band-gap to analog input
andresag 7:0a8bbb6dea16 637
andresag 7:0a8bbb6dea16 638 /* SpinWait for initialization to complete. This is necessary because the
andresag 7:0a8bbb6dea16 639 * BLE object is used in the main loop below. */
electronichamsters 8:46c5e0bfab05 640 while (ble.hasInitialized() == false) { /* spin loop */ }
electronichamsters 8:46c5e0bfab05 641
electronichamsters 8:46c5e0bfab05 642 //every X seconds, sends period update, up to 1800 (30 minutes)
electronichamsters 12:9bb01e063498 643 Tic_Periodic.attach(periodic_Callback, Periodic_Update_Seconds); //send updated I/O every x seconds
electronichamsters 12:9bb01e063498 644 Tic_Birthday.attach(clock_reset_Callback, Periodicity); //clock algorithm periodicity
rgrover1 5:f4d74a8cad43 645
electronichamsters 10:79e8f92ef156 646
electronichamsters 12:9bb01e063498 647 ble.getAddress(0,mac_reverse); //last byte of MAC (as shown on phone app) is at mac[0], not mac[6];
electronichamsters 12:9bb01e063498 648 #if MyDebugEnb
electronichamsters 12:9bb01e063498 649 device.printf("mac = ");
electronichamsters 12:9bb01e063498 650 for (int i=0; i<6; i++) //prints out MAC address in reverse order; opps.
electronichamsters 12:9bb01e063498 651 {
electronichamsters 12:9bb01e063498 652 device.printf("%x:", mac_reverse[i]);
electronichamsters 12:9bb01e063498 653 }
electronichamsters 12:9bb01e063498 654 device.printf("\r\n");
electronichamsters 12:9bb01e063498 655 #endif
electronichamsters 13:4b9bbd8d8d1f 656
electronichamsters 13:4b9bbd8d8d1f 657 //set motion sensor
electronichamsters 13:4b9bbd8d8d1f 658
electronichamsters 13:4b9bbd8d8d1f 659 #if sensorEnb
electronichamsters 13:4b9bbd8d8d1f 660 data.setAct(LIS3DH_V_CHIP_ADDR);
electronichamsters 13:4b9bbd8d8d1f 661 #endif
electronichamsters 13:4b9bbd8d8d1f 662 //for puppet, go ahead and pull up all the time.
electronichamsters 13:4b9bbd8d8d1f 663
electronichamsters 13:4b9bbd8d8d1f 664 #if buttonEnb
electronichamsters 13:4b9bbd8d8d1f 665
electronichamsters 13:4b9bbd8d8d1f 666 button1.mode(PullUp);
electronichamsters 13:4b9bbd8d8d1f 667 button2.mode(PullUp);
electronichamsters 13:4b9bbd8d8d1f 668 button3.mode(PullUp);
electronichamsters 13:4b9bbd8d8d1f 669 button4.mode(PullUp);
electronichamsters 13:4b9bbd8d8d1f 670 button5.mode(PullUp);
electronichamsters 13:4b9bbd8d8d1f 671 button6.mode(PullUp);
electronichamsters 13:4b9bbd8d8d1f 672 button7.mode(PullUp);
electronichamsters 13:4b9bbd8d8d1f 673 button8.mode(PullUp);
electronichamsters 13:4b9bbd8d8d1f 674 button9.mode(PullUp);
electronichamsters 13:4b9bbd8d8d1f 675 #endif
electronichamsters 13:4b9bbd8d8d1f 676
electronichamsters 13:4b9bbd8d8d1f 677 #if sensorEnb
electronichamsters 13:4b9bbd8d8d1f 678 lis3dh_int1.mode(PullNone); //if pulled up, will consume 200uA. LIS3DH has pull up enabled.
electronichamsters 13:4b9bbd8d8d1f 679 #endif
electronichamsters 13:4b9bbd8d8d1f 680
electronichamsters 13:4b9bbd8d8d1f 681 #if buttonEnb
electronichamsters 13:4b9bbd8d8d1f 682 button1.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 683 button2.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 684 button3.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 685 button4.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 686 button5.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 687 button6.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 688 button7.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 689 button8.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 690 button9.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 691 button1.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 692 button2.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 693 button3.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 694 button4.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 695 button5.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 696 button6.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 697 button7.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 698 button8.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 699 button9.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 700 #endif
electronichamsters 13:4b9bbd8d8d1f 701 #if sensorEnb
electronichamsters 13:4b9bbd8d8d1f 702 lis3dh_int1.rise(motion_Callback); //enable interrupt
electronichamsters 13:4b9bbd8d8d1f 703 #endif
electronichamsters 13:4b9bbd8d8d1f 704
electronichamsters 12:9bb01e063498 705 while (true)
electronichamsters 12:9bb01e063498 706 { //Main Loop
electronichamsters 12:9bb01e063498 707
electronichamsters 12:9bb01e063498 708 uint16_t seconds_Old =(uint16_t)(Tmr_From_Birthday.read_ms()/1000); // 0-1800 seconds (30 minutes)
electronichamsters 12:9bb01e063498 709
electronichamsters 12:9bb01e063498 710 #if MyDebugEnb
electronichamsters 12:9bb01e063498 711 device.printf("current time in seconds: %d \r\n", seconds_Old);
electronichamsters 12:9bb01e063498 712 #endif
electronichamsters 12:9bb01e063498 713
electronichamsters 13:4b9bbd8d8d1f 714
electronichamsters 8:46c5e0bfab05 715
electronichamsters 8:46c5e0bfab05 716 //expect either button1 or button2 is grounded, b/c using SPDT reed switch
electronichamsters 8:46c5e0bfab05 717 //the "common" pin on the reed switch should be on GND
electronichamsters 13:4b9bbd8d8d1f 718 //uint8_t button1_state = button1.read();
electronichamsters 13:4b9bbd8d8d1f 719 //uint8_t button2_state = button2.read();
electronichamsters 13:4b9bbd8d8d1f 720 //uint8_t button3_state = button3.read();
electronichamsters 8:46c5e0bfab05 721
electronichamsters 8:46c5e0bfab05 722
electronichamsters 13:4b9bbd8d8d1f 723
electronichamsters 13:4b9bbd8d8d1f 724
electronichamsters 13:4b9bbd8d8d1f 725
electronichamsters 12:9bb01e063498 726 if (Flag_Update_IO) {
andresag 7:0a8bbb6dea16 727 /* Do blocking calls or whatever hardware-specific action is
andresag 7:0a8bbb6dea16 728 * necessary to poll the sensor. */
electronichamsters 8:46c5e0bfab05 729
electronichamsters 12:9bb01e063498 730 //call attach again on periodic update to reset ticker
electronichamsters 12:9bb01e063498 731 //next periodic updates happens Perioidc_Update_Seconds after I/O events
electronichamsters 12:9bb01e063498 732 Tic_Periodic.attach(periodic_Callback, Periodic_Update_Seconds);
electronichamsters 10:79e8f92ef156 733 Xmit_Cnt++; //increment transmit counter when updating I/O
electronichamsters 10:79e8f92ef156 734
electronichamsters 10:79e8f92ef156 735
electronichamsters 12:9bb01e063498 736 //read and convert battery voltage
electronichamsters 12:9bb01e063498 737 bat_reading = (float)read_bat_volt();
electronichamsters 8:46c5e0bfab05 738 bat_reading = (bat_reading * 3.6) / 1024.0;
electronichamsters 12:9bb01e063498 739 #if MyDebugEnb
electronichamsters 8:46c5e0bfab05 740 device.printf("bat reading: %f \r\n", bat_reading);
electronichamsters 12:9bb01e063498 741 #endif
electronichamsters 12:9bb01e063498 742 //write battery voltage
electronichamsters 12:9bb01e063498 743 uint8_t total_chars;
electronichamsters 12:9bb01e063498 744 memset(&bat_volt_char[0], 0, sizeof(bat_volt_char)); //clear out buffer
electronichamsters 12:9bb01e063498 745 //convert battery voltage float value to string reprsentation to 2 decimal places, and save the size of string.
electronichamsters 12:9bb01e063498 746 total_chars = sprintf (bat_volt_char, "%.2f", bat_reading);
electronichamsters 8:46c5e0bfab05 747
electronichamsters 12:9bb01e063498 748
electronichamsters 12:9bb01e063498 749 //read and convert analog voltage. Comment out this section if note needed, saves some battery
electronichamsters 10:79e8f92ef156 750 NRF_ADC->TASKS_STOP = 1;
electronichamsters 10:79e8f92ef156 751 float analogreading;
electronichamsters 12:9bb01e063498 752 analogreading = (float)read_ADC_pin();
electronichamsters 10:79e8f92ef156 753 analogreading = (analogreading * 3.6) / 1024.0;
electronichamsters 10:79e8f92ef156 754 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 755 device.printf("separate analog reading: %.02f \r\n", analogreading);
electronichamsters 10:79e8f92ef156 756 #endif
electronichamsters 10:79e8f92ef156 757
electronichamsters 12:9bb01e063498 758 //disable ADC to save power
electronichamsters 8:46c5e0bfab05 759 NRF_ADC->TASKS_STOP = 1;
electronichamsters 8:46c5e0bfab05 760 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 8:46c5e0bfab05 761
electronichamsters 10:79e8f92ef156 762
electronichamsters 12:9bb01e063498 763 #if MyDebugEnb
electronichamsters 12:9bb01e063498 764 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 12:9bb01e063498 765 device.printf("num chars: %d \r\n", total_chars);
electronichamsters 12:9bb01e063498 766 #endif
electronichamsters 8:46c5e0bfab05 767
electronichamsters 8:46c5e0bfab05 768
electronichamsters 12:9bb01e063498 769 //Generate "First Section" for ADV_Data so gateway will recognize our advertisement pattern
electronichamsters 12:9bb01e063498 770 hash_first_section(Adv_First_Section, mac_reverse, bat_volt_char);
electronichamsters 8:46c5e0bfab05 771
electronichamsters 10:79e8f92ef156 772
electronichamsters 12:9bb01e063498 773 /* ****************************************
electronichamsters 12:9bb01e063498 774 * start writing out ADVData array
electronichamsters 12:9bb01e063498 775 * todo: this is easy to write but hard to read. Maybe make it easy to read and hard to write?
electronichamsters 12:9bb01e063498 776 ******************************************/
electronichamsters 10:79e8f92ef156 777 memset(&AdvData[0], 0, sizeof(AdvData));
electronichamsters 10:79e8f92ef156 778 uint8_t JSON_loc=0; //AdvData[0]
electronichamsters 10:79e8f92ef156 779
electronichamsters 12:9bb01e063498 780 AdvData[0] = Adv_First_Section[0]; //"our device" flag, MAC[3]
electronichamsters 12:9bb01e063498 781 JSON_loc++; //JSON_loc == 1
electronichamsters 12:9bb01e063498 782 AdvData[1] = Adv_First_Section[1]; //"out device" flag, MAC[2]...
electronichamsters 12:9bb01e063498 783 JSON_loc++; //JSON_loc == 2
electronichamsters 12:9bb01e063498 784 AdvData[2] = Adv_First_Section[2];
electronichamsters 12:9bb01e063498 785 JSON_loc++; //JSON_loc == 3
electronichamsters 12:9bb01e063498 786 AdvData[3] = Adv_First_Section[3];
electronichamsters 12:9bb01e063498 787 JSON_loc++; //JSON_loc == 4
electronichamsters 12:9bb01e063498 788 AdvData[4] = Adv_First_Section[4];
electronichamsters 12:9bb01e063498 789 JSON_loc++; //JSON_loc == 5
electronichamsters 12:9bb01e063498 790 AdvData[5] = Adv_First_Section[5];
electronichamsters 12:9bb01e063498 791 JSON_loc++; //JSON_loc == 6
electronichamsters 12:9bb01e063498 792 AdvData[6] = Adv_First_Section[6];
electronichamsters 10:79e8f92ef156 793 JSON_loc++;
electronichamsters 12:9bb01e063498 794 AdvData[7] = Adv_First_Section[7];
electronichamsters 10:79e8f92ef156 795 JSON_loc++;
electronichamsters 12:9bb01e063498 796 AdvData[8] = Adv_First_Section[8];
electronichamsters 10:79e8f92ef156 797 JSON_loc++;
electronichamsters 12:9bb01e063498 798 AdvData[9] = Adv_First_Section[9];
electronichamsters 8:46c5e0bfab05 799 JSON_loc++;
electronichamsters 10:79e8f92ef156 800
electronichamsters 12:9bb01e063498 801 #if MyDebugEnb
electronichamsters 12:9bb01e063498 802 device.printf("ADV first 10 array: ");
electronichamsters 12:9bb01e063498 803 for (int i=0; i<10; i++)
electronichamsters 12:9bb01e063498 804 {
electronichamsters 12:9bb01e063498 805 device.printf("%x ", AdvData[i]);
electronichamsters 12:9bb01e063498 806 }
electronichamsters 12:9bb01e063498 807 device.printf("\r\n");
electronichamsters 12:9bb01e063498 808 #endif
electronichamsters 10:79e8f92ef156 809
electronichamsters 10:79e8f92ef156 810
electronichamsters 10:79e8f92ef156 811 JSON_loc = 10;
electronichamsters 12:9bb01e063498 812 //Start of encrypted user data
electronichamsters 12:9bb01e063498 813
electronichamsters 12:9bb01e063498 814 //[10] and [11] hold 2 bytes for how many seconds since birthday, little endian
electronichamsters 12:9bb01e063498 815 AdvData[10] = seconds_Old & 0xFF;
electronichamsters 8:46c5e0bfab05 816 JSON_loc++;
electronichamsters 12:9bb01e063498 817 AdvData[11] = (seconds_Old >> 8) & 0xFF;
electronichamsters 10:79e8f92ef156 818 JSON_loc++;
electronichamsters 12:9bb01e063498 819
electronichamsters 10:79e8f92ef156 820 AdvData[12] = Xmit_Cnt;
electronichamsters 8:46c5e0bfab05 821 JSON_loc++;
electronichamsters 12:9bb01e063498 822
electronichamsters 8:46c5e0bfab05 823
electronichamsters 13:4b9bbd8d8d1f 824 //start of jason data: "but/?"
electronichamsters 13:4b9bbd8d8d1f 825 //"but" for button
electronichamsters 13:4b9bbd8d8d1f 826
electronichamsters 13:4b9bbd8d8d1f 827 JSON_loc = 13;
electronichamsters 13:4b9bbd8d8d1f 828 AdvData[JSON_loc] = 0x22; //ADV_Data[13] = "
electronichamsters 13:4b9bbd8d8d1f 829 JSON_loc++; //14
electronichamsters 13:4b9bbd8d8d1f 830
electronichamsters 13:4b9bbd8d8d1f 831 AdvData[JSON_loc] = 'v';
electronichamsters 13:4b9bbd8d8d1f 832 JSON_loc++; //15
electronichamsters 13:4b9bbd8d8d1f 833
electronichamsters 13:4b9bbd8d8d1f 834 AdvData[JSON_loc] = 'i';
electronichamsters 13:4b9bbd8d8d1f 835 JSON_loc++; //16
electronichamsters 13:4b9bbd8d8d1f 836
electronichamsters 13:4b9bbd8d8d1f 837 AdvData[JSON_loc] = 'b';
electronichamsters 13:4b9bbd8d8d1f 838 JSON_loc++; //17
electronichamsters 13:4b9bbd8d8d1f 839
electronichamsters 13:4b9bbd8d8d1f 840 //AdvData[JSON_loc] = 0x2f; // "/"
electronichamsters 13:4b9bbd8d8d1f 841 //JSON_loc++; //17
electronichamsters 13:4b9bbd8d8d1f 842
electronichamsters 13:4b9bbd8d8d1f 843
electronichamsters 13:4b9bbd8d8d1f 844
electronichamsters 13:4b9bbd8d8d1f 845
electronichamsters 12:9bb01e063498 846 //for periodic calls, we want to add an extra mqtt level "p", using "/p"
electronichamsters 12:9bb01e063498 847 //to delineate between MQTT publishes from real world I/O interrupts vs timer interrupts
electronichamsters 12:9bb01e063498 848 if (Flag_Periodic_Call)
electronichamsters 8:46c5e0bfab05 849 {
electronichamsters 13:4b9bbd8d8d1f 850 JSON_loc++; //19
electronichamsters 12:9bb01e063498 851 AdvData[JSON_loc] = 0x2f; // ADV_Data[17] = /
electronichamsters 12:9bb01e063498 852 JSON_loc++; //18
electronichamsters 13:4b9bbd8d8d1f 853 AdvData[JSON_loc] = 'p'; // ADV_Data[18] =p
electronichamsters 12:9bb01e063498 854 JSON_loc++; //19
electronichamsters 12:9bb01e063498 855 }
electronichamsters 8:46c5e0bfab05 856
electronichamsters 12:9bb01e063498 857 AdvData[JSON_loc] = 0x22; //ADV_Data[17 or 19] = "
electronichamsters 10:79e8f92ef156 858 JSON_loc++; //20
electronichamsters 8:46c5e0bfab05 859
electronichamsters 12:9bb01e063498 860 AdvData[JSON_loc] = 0x3a; //ADV_Data[18 or 20] = :
electronichamsters 12:9bb01e063498 861 JSON_loc++; //21
electronichamsters 8:46c5e0bfab05 862
electronichamsters 12:9bb01e063498 863 //convert magnet variable to string, for magnet sensor, this is easy
electronichamsters 12:9bb01e063498 864 //since we only have 1 or 0, but this also works for analog values
electronichamsters 8:46c5e0bfab05 865 memset(&buffer[0], 0, sizeof(buffer)); //clear out buffer
electronichamsters 13:4b9bbd8d8d1f 866 total_chars = sprintf (buffer, "%d", Flag_Activity); //returns total number of characters, which is 1 character.
electronichamsters 8:46c5e0bfab05 867 for (int i=0; i < total_chars; i++)
electronichamsters 8:46c5e0bfab05 868 {
electronichamsters 8:46c5e0bfab05 869 AdvData[JSON_loc] = buffer[i];
electronichamsters 10:79e8f92ef156 870 JSON_loc++; //23
electronichamsters 8:46c5e0bfab05 871 } //JSON_loc left at location of next character
electronichamsters 8:46c5e0bfab05 872
electronichamsters 12:9bb01e063498 873 //AdvData[JSON_loc] = 0x0; //since AdvData was cleared to start with, we don't need to null term
electronichamsters 8:46c5e0bfab05 874
rgrover1 5:f4d74a8cad43 875 ApplicationData_t appData;
rgrover1 5:f4d74a8cad43 876 setupApplicationData(appData);
electronichamsters 8:46c5e0bfab05 877
electronichamsters 12:9bb01e063498 878 /*********************
electronichamsters 12:9bb01e063498 879 * start encrypting last 16 bytes of ADV_Data
electronichamsters 12:9bb01e063498 880 *********************/
electronichamsters 8:46c5e0bfab05 881 for (int i=0; i<16; i++)
electronichamsters 8:46c5e0bfab05 882 {
electronichamsters 10:79e8f92ef156 883 src_buf[i] = AdvData[i+10]; //start of encrypted section is at AdvData[10]
electronichamsters 8:46c5e0bfab05 884 }
electronichamsters 8:46c5e0bfab05 885 nrf_ecb_init();
electronichamsters 8:46c5e0bfab05 886 nrf_ecb_set_key(key_buf);
electronichamsters 8:46c5e0bfab05 887 bool successful_ecb = nrf_ecb_crypt(des_buf, src_buf);
electronichamsters 12:9bb01e063498 888 #if MyDebugEnb
electronichamsters 12:9bb01e063498 889 device.printf("success ecb = %d \r\n", successful_ecb);
electronichamsters 12:9bb01e063498 890 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 12:9bb01e063498 891 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 12:9bb01e063498 892 #endif
electronichamsters 12:9bb01e063498 893 for (int i=0; i<16; i++) //replace last 16 bytes with encrypted 16 bytes
electronichamsters 8:46c5e0bfab05 894 {
electronichamsters 10:79e8f92ef156 895 AdvData[i+10] = des_buf[i];
electronichamsters 8:46c5e0bfab05 896 }
electronichamsters 8:46c5e0bfab05 897
electronichamsters 12:9bb01e063498 898 //set payload for advertisement to our custom manufactured data. First 5 bytes is BLE standard, last 26 bytes is our array
electronichamsters 8:46c5e0bfab05 899 //ble.gap().updateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *) &appData, sizeof(ApplicationData_t));
electronichamsters 8:46c5e0bfab05 900 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData));
electronichamsters 8:46c5e0bfab05 901
electronichamsters 12:9bb01e063498 902 Flag_Update_IO = false;
electronichamsters 12:9bb01e063498 903 Flag_Periodic_Call = false;
electronichamsters 8:46c5e0bfab05 904
electronichamsters 8:46c5e0bfab05 905 ble.gap().startAdvertising();
electronichamsters 12:9bb01e063498 906 Tic_Stop_Adv.attach(stop_adv_Callback, 3); /* trigger turn off advertisement after X seconds */
electronichamsters 8:46c5e0bfab05 907
electronichamsters 12:9bb01e063498 908 }//end Flag_Update_IO
electronichamsters 8:46c5e0bfab05 909
electronichamsters 8:46c5e0bfab05 910
electronichamsters 12:9bb01e063498 911 if (Flag_Detach_Adv_Tic == true) //ticker callback flag to stop advertising
electronichamsters 8:46c5e0bfab05 912 {
electronichamsters 8:46c5e0bfab05 913 ble.gap().stopAdvertising(); //may be safer to execute BLE operations in main
electronichamsters 12:9bb01e063498 914 Tic_Stop_Adv.detach();
electronichamsters 12:9bb01e063498 915 Flag_Detach_Adv_Tic = false;
electronichamsters 8:46c5e0bfab05 916 }
electronichamsters 12:9bb01e063498 917
electronichamsters 8:46c5e0bfab05 918
electronichamsters 12:9bb01e063498 919 ble.waitForEvent(); //sleeps until interrupt form ticker or I/O
electronichamsters 13:4b9bbd8d8d1f 920
electronichamsters 13:4b9bbd8d8d1f 921
electronichamsters 13:4b9bbd8d8d1f 922 //wait_ms(1000);
electronichamsters 8:46c5e0bfab05 923 }//end forever while
electronichamsters 8:46c5e0bfab05 924 }//end main