Eric Tsai
Did I feed the dog? How much dog food is left?
Dependencies: BLE_API VL6180 mbed nRF51822
Fork of
BLE_Sensor
by 
Eric Tsai
main.cpp@12:1049290dd610, 2018-05-03 (annotated)
- Committer:
- electronichamsters
- Date:
- Thu May 03 02:56:54 2018 +0000
- Revision:
- 12:1049290dd610
- Parent:
- 11:4f925834167d
VL6180 "Dog Food" sensor
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| electronichamsters | 12:1049290dd610 | 1 | /* |
| electronichamsters | 12:1049290dd610 | 2 | * Copyright (c) Eric Tsai 2017 |
| electronichamsters | 12:1049290dd610 | 3 | * |
| electronichamsters | 12:1049290dd610 | 4 | * |
| electronichamsters | 12:1049290dd610 | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| electronichamsters | 12:1049290dd610 | 6 | * you may not use this file except in compliance with the License. |
| electronichamsters | 12:1049290dd610 | 7 | * You may obtain a copy of the License at |
| electronichamsters | 12:1049290dd610 | 8 | * |
| electronichamsters | 12:1049290dd610 | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| electronichamsters | 12:1049290dd610 | 10 | * |
| electronichamsters | 12:1049290dd610 | 11 | * Unless required by applicable law or agreed to in writing, software |
| electronichamsters | 12:1049290dd610 | 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| electronichamsters | 12:1049290dd610 | 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| electronichamsters | 12:1049290dd610 | 14 | * See the License for the specific language governing permissions and |
| electronichamsters | 12:1049290dd610 | 15 | * limitations under the License. |
| electronichamsters | 12:1049290dd610 | 16 | * |
| electronichamsters | 12:1049290dd610 | 17 | * |
| electronichamsters | 12:1049290dd610 | 18 | * Credit: started with the basic BLE Temperature Beacon code from mbed Bluetooth Low Energy team |
| electronichamsters | 12:1049290dd610 | 19 | * https://developer.mbed.org/teams/Bluetooth-Low-Energy/code/BLE_TemperatureBeacon/file/0a8bbb6dea16/main.cpp |
| electronichamsters | 12:1049290dd610 | 20 | * |
| electronichamsters | 12:1049290dd610 | 21 | * Dog food sensor (feed activity and level) |
| electronichamsters | 12:1049290dd610 | 22 | * keywords: todo, tochange |
| electronichamsters | 12:1049290dd610 | 23 | */ |
| electronichamsters | 8:46c5e0bfab05 | 24 | |
| sunsmile2015 | 0:3dc6e424dba0 | 25 | |
| electronichamsters | 8:46c5e0bfab05 | 26 | extern "C" |
| electronichamsters | 8:46c5e0bfab05 | 27 | { |
| electronichamsters | 12:1049290dd610 | 28 | #include "nrf_ecb.h" //required to call the ecb functions for encryption |
| electronichamsters | 8:46c5e0bfab05 | 29 | } |
| electronichamsters | 8:46c5e0bfab05 | 30 | |
| sunsmile2015 | 0:3dc6e424dba0 | 31 | #include "mbed.h" |
| rgrover1 | 5:f4d74a8cad43 | 32 | #include "toolchain.h" |
| sunsmile2015 | 0:3dc6e424dba0 | 33 | #include "ble/BLE.h" |
| electronichamsters | 12:1049290dd610 | 34 | //#include "TMP_nrf51/TMP_nrf51.h" |
| electronichamsters | 12:1049290dd610 | 35 | //#include "TMP102.h" |
| electronichamsters | 12:1049290dd610 | 36 | #include "VL6180.h" //https://developer.mbed.org/users/sburg/code/VL6180/ |
| electronichamsters | 12:1049290dd610 | 37 | //https://developer.mbed.org/users/sburg/notebook/vl6180-time-of-flight-range-finder/ |
| electronichamsters | 8:46c5e0bfab05 | 38 | |
| electronichamsters | 12:1049290dd610 | 39 | /******************************************************************************************* |
| electronichamsters | 12:1049290dd610 | 40 | * START tochange: items that may need customization depending on sensors, hardware, and desired behavior |
| electronichamsters | 12:1049290dd610 | 41 | *******************************************************************************************/ |
| electronichamsters | 12:1049290dd610 | 42 | const uint16_t Periodic_Update_Seconds = 900; //number of seconds between periodic I/O status re-transmits 900s =15 min. |
| electronichamsters | 12:1049290dd610 | 43 | #define MyDebugEnb 0 //enables serial output for debug, consumes ~1mA when idle |
| electronichamsters | 12:1049290dd610 | 44 | uint8_t magnet_near=0; //this I/O, specifically for reed switch sensor |
| electronichamsters | 12:1049290dd610 | 45 | //TMP102 tempI2C(p0, p1, 0x90); |
| electronichamsters | 12:1049290dd610 | 46 | //VL6180 rf(p12, p15); //I2C purple board sda=p12, scl=p15 |
| electronichamsters | 12:1049290dd610 | 47 | VL6180 rf(p9, p11); //I2C purple board sda=p12, scl=p15 |
| electronichamsters | 12:1049290dd610 | 48 | //DigitalOut pinHandShake(p0); //shutdown pin |
| electronichamsters | 12:1049290dd610 | 49 | //VL6180 rf(p12, p15); //I2C sda=P0 and scl=p1 |
| electronichamsters | 12:1049290dd610 | 50 | /* hardware interrupt pins, selected based on hardware |
| electronichamsters | 12:1049290dd610 | 51 | *Syntax: Pin "P0.4" on nRF51822 documentation is mbed "p4". |
| electronichamsters | 12:1049290dd610 | 52 | * InterruptIn is pulled-up. GND the pin to activate. |
| electronichamsters | 12:1049290dd610 | 53 | */ |
| electronichamsters | 8:46c5e0bfab05 | 54 | |
| electronichamsters | 12:1049290dd610 | 55 | //tilt switch on "button1", should be open (not shorted) in rest state |
| electronichamsters | 12:1049290dd610 | 56 | InterruptIn button1(p0); //nRF51822 P0.0 |
| electronichamsters | 12:1049290dd610 | 57 | //InterruptIn button2(p1); //nRF51822 P0.1 |
| electronichamsters | 10:79e8f92ef156 | 58 | |
| electronichamsters | 11:4f925834167d | 59 | |
| electronichamsters | 12:1049290dd610 | 60 | /****************************************************************************************** |
| electronichamsters | 12:1049290dd610 | 61 | * END tochange |
| electronichamsters | 12:1049290dd610 | 62 | *******************************************************************************************/ |
| electronichamsters | 8:46c5e0bfab05 | 63 | |
| electronichamsters | 12:1049290dd610 | 64 | |
| electronichamsters | 8:46c5e0bfab05 | 65 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 66 | // if you see ~1mA consumption during sleep, that's because MyDebugEnb==1, it's enabled. |
| electronichamsters | 8:46c5e0bfab05 | 67 | Serial device(p9, p11); //nRF51822 uart : TX=p9. RX=p11 |
| electronichamsters | 8:46c5e0bfab05 | 68 | #endif |
| electronichamsters | 8:46c5e0bfab05 | 69 | |
| electronichamsters | 12:1049290dd610 | 70 | static Ticker Tic_Stop_Adv; //used to stop advertising after X seconds |
| electronichamsters | 12:1049290dd610 | 71 | static Ticker Tic_Debounce; //debounce I/O |
| electronichamsters | 12:1049290dd610 | 72 | static Ticker Tic_Periodic; //transmit sensor data on a periodic basis outside I/O events |
| electronichamsters | 8:46c5e0bfab05 | 73 | |
| electronichamsters | 12:1049290dd610 | 74 | const uint16_t Periodicity = 1800; //birthday periodicity used for spoof checking, must match gateway. Should be 1800 seconds for 30minutes |
| electronichamsters | 12:1049290dd610 | 75 | static Timer Tmr_From_Birthday; //holds number of seconds since birthday, for spoof detection |
| electronichamsters | 12:1049290dd610 | 76 | static Ticker Tic_Birthday; //resets Tmr_From_Birthday every Periodicity seconds, for spoof detection |
| electronichamsters | 12:1049290dd610 | 77 | |
| electronichamsters | 8:46c5e0bfab05 | 78 | |
| electronichamsters | 12:1049290dd610 | 79 | static bool Flag_Update_IO = false; //flag to indicate event is hardware interrupt |
| electronichamsters | 12:1049290dd610 | 80 | static bool Flag_Periodic_Call = false; //flag to indicate event is periodic callback |
| electronichamsters | 12:1049290dd610 | 81 | static bool Flag_Detach_Adv_Tic = false; //flag to stop advertising |
| electronichamsters | 12:1049290dd610 | 82 | |
| electronichamsters | 12:1049290dd610 | 83 | /* Optional: Device Name, add for human read-ability */ |
| electronichamsters | 12:1049290dd610 | 84 | const static char DEVICE_NAME[] = "LOL"; |
| electronichamsters | 12:1049290dd610 | 85 | |
| electronichamsters | 12:1049290dd610 | 86 | //dog food sensor |
| electronichamsters | 12:1049290dd610 | 87 | uint16_t button1_released_counter = 0; |
| electronichamsters | 8:46c5e0bfab05 | 88 | |
| electronichamsters | 8:46c5e0bfab05 | 89 | |
| electronichamsters | 12:1049290dd610 | 90 | //Advertisement Data |
| electronichamsters | 12:1049290dd610 | 91 | //note: AdvData[] holds bytes [5] to byte [30] of entire advertising data. The user content part after ADV flag and header |
| electronichamsters | 12:1049290dd610 | 92 | 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 | 12:1049290dd610 | 93 | char buffer[10]={0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; //hold I/O reading json |
| electronichamsters | 12:1049290dd610 | 94 | char bat_volt_char[6] = {0, 0, 0, 0, 0, 0}; //hold json for battery reading |
| electronichamsters | 12:1049290dd610 | 95 | uint8_t Adv_First_Section[10]; //holds the first several bytes with a pattern indicating this sensor is "one of ours" |
| electronichamsters | 12:1049290dd610 | 96 | uint8_t mac_reverse[6] = {0x0,0x0,0x0,0x0,0x0,0x0}; //mac address for this module |
| electronichamsters | 12:1049290dd610 | 97 | char sensor_char[8] = {0, 0, 0, 0, 0, 0}; //hold json for temperature |
| rgrover1 | 5:f4d74a8cad43 | 98 | |
| electronichamsters | 12:1049290dd610 | 99 | /***** Advertisement structure is 31 Bytes **************** |
| electronichamsters | 12:1049290dd610 | 100 | |
| electronichamsters | 12:1049290dd610 | 101 | https://docs.mbed.com/docs/ble-intros/en/latest/Advanced/CustomGAP/ |
| electronichamsters | 8:46c5e0bfab05 | 102 | |
| electronichamsters | 12:1049290dd610 | 103 | Full Advertisement: |
| electronichamsters | 12:1049290dd610 | 104 | First 5 bytes are set by stack according to flag and header parameters. |
| electronichamsters | 12:1049290dd610 | 105 | Last 26 bytes are user data |
| electronichamsters | 12:1049290dd610 | 106 | -- tabbed -- |
| electronichamsters | 12:1049290dd610 | 107 | Byte 0 | AD1 Length | 0x02 | AD1 is 2 bytes long |
| electronichamsters | 12:1049290dd610 | 108 | Byte 1 | AD1 Type | 0x01 | AD1 Data interpreted as flag |
| electronichamsters | 12:1049290dd610 | 109 | Byte 2 | AD1 Data 0 | 0x06 | AD1 Data flag mean "00000110" |
| electronichamsters | 12:1049290dd610 | 110 | Byte 3 | AD2 Length | 0x1B | AD2 is 27 bytes (0x1B) long (rest of this data) |
| electronichamsters | 12:1049290dd610 | 111 | Byte 4 | AD2 Type | 0xFF | 0xFF mean Manufacturer Specific Data |
| electronichamsters | 12:1049290dd610 | 112 | Byte 5 | AD2 Data 0 | ADV_Data[0] | "our device" flag, MAC[3] |
| electronichamsters | 12:1049290dd610 | 113 | Byte 6 | AD2 Data 1 | ADV_Data[1] | "out device" flag, MAC[2] |
| electronichamsters | 12:1049290dd610 | 114 | Byte 7 | AD2 Data 2 | ADV_Data[2] | "out device" flag, MAC[1] |
| electronichamsters | 12:1049290dd610 | 115 | Byte 8 | AD2 Data 3 | ADV_Data[3] | "out device" flag, MAC[0] |
| electronichamsters | 12:1049290dd610 | 116 | Byte 9 | AD2 Data 4 | ADV_Data[4] | battery voltage json MSB, ie 3 in 3.14 |
| electronichamsters | 12:1049290dd610 | 117 | Byte 10 | AD2 Data 5 | ADV_Data[5] | battery voltage json |
| electronichamsters | 12:1049290dd610 | 118 | Byte 11 | AD2 Data 6 | ADV_Data[6] | battery voltage json |
| electronichamsters | 12:1049290dd610 | 119 | Byte 12 | AD2 Data 7 | ADV_Data[7] | battery voltage json LSB, ie 4 in 3.14 |
| electronichamsters | 12:1049290dd610 | 120 | Byte 13 | AD2 Data 8 | ADV_Data[8] | reserved |
| electronichamsters | 12:1049290dd610 | 121 | Byte 14 | AD2 Data 9 | ADV_Data[9] | reserved |
| electronichamsters | 12:1049290dd610 | 122 | Byte 15 | AD2 Data 10 | ADV_Data[10] Encrypted | spoof - clock high byte, range 0 to 1800 seconds |
| electronichamsters | 12:1049290dd610 | 123 | Byte 16 | AD2 Data 11 | ADV_Data[11] Encrypted | spoof - clock low byte |
| electronichamsters | 12:1049290dd610 | 124 | Byte 17 | AD2 Data 12 | ADV_Data[12] Encrypted | Xmit_Cnt - increments per transmit event, 0-255 |
| electronichamsters | 12:1049290dd610 | 125 | Byte 18 | AD2 Data 13 | ADV_Data[13] Encrypted | JSON[0] |
| electronichamsters | 12:1049290dd610 | 126 | Byte 19 | AD2 Data 14 | ADV_Data[14] Encrypted | JSON[1] |
| electronichamsters | 12:1049290dd610 | 127 | Byte 20 | AD2 Data 15 | ADV_Data[15] Encrypted | JSON[2] |
| electronichamsters | 12:1049290dd610 | 128 | Byte 21 | AD2 Data 16 | ADV_Data[16] Encrypted | JSON[3] |
| electronichamsters | 12:1049290dd610 | 129 | Byte 22 | AD2 Data 17 | ADV_Data[17] Encrypted | JSON[4] |
| electronichamsters | 12:1049290dd610 | 130 | Byte 23 | AD2 Data 18 | ADV_Data[18] Encrypted | JSON[5] |
| electronichamsters | 12:1049290dd610 | 131 | Byte 24 | AD2 Data 19 | ADV_Data[19] Encrypted | JSON[6] |
| electronichamsters | 12:1049290dd610 | 132 | Byte 25 | AD2 Data 20 | ADV_Data[20] Encrypted | JSON[7] |
| electronichamsters | 12:1049290dd610 | 133 | Byte 26 | AD2 Data 21 | ADV_Data[21] Encrypted | JSON[8] |
| electronichamsters | 12:1049290dd610 | 134 | Byte 27 | AD2 Data 22 | ADV_Data[22] Encrypted | JSON[9] |
| electronichamsters | 12:1049290dd610 | 135 | Byte 28 | AD2 Data 23 | ADV_Data[23] Encrypted | JSON[10] |
| electronichamsters | 12:1049290dd610 | 136 | Byte 29 | AD2 Data 24 | ADV_Data[24] Encrypted | JSON[11] |
| electronichamsters | 12:1049290dd610 | 137 | Byte 30 | AD2 Data 25 | ADV_Data[25] Encrypted | JSON[12] |
| electronichamsters | 8:46c5e0bfab05 | 138 | |
| electronichamsters | 12:1049290dd610 | 139 | ***************************************************/ |
| electronichamsters | 8:46c5e0bfab05 | 140 | |
| electronichamsters | 8:46c5e0bfab05 | 141 | |
| electronichamsters | 8:46c5e0bfab05 | 142 | static uint8_t key[16] = {0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4}; |
| electronichamsters | 8:46c5e0bfab05 | 143 | //26 bytes adv data |
| electronichamsters | 8:46c5e0bfab05 | 144 | 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 | 145 | //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 | 146 | 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 | 147 | 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 | 148 | 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 | 149 | |
| electronichamsters | 10:79e8f92ef156 | 150 | uint8_t Xmit_Cnt = 1; |
| electronichamsters | 8:46c5e0bfab05 | 151 | |
| electronichamsters | 8:46c5e0bfab05 | 152 | |
| electronichamsters | 8:46c5e0bfab05 | 153 | |
| electronichamsters | 8:46c5e0bfab05 | 154 | /* **** NOT USED **** */ |
| electronichamsters | 8:46c5e0bfab05 | 155 | //16byte UUID loading happens here |
| electronichamsters | 8:46c5e0bfab05 | 156 | //Look at <GapAdvertisingData.h> for rest of definition |
| sunsmile2015 | 4:e5fa4c8838db | 157 | struct ApplicationData_t { |
| electronichamsters | 8:46c5e0bfab05 | 158 | //Byte 0: AppID High Byte |
| electronichamsters | 8:46c5e0bfab05 | 159 | //Byte 1: AppID Low Byte |
| electronichamsters | 8:46c5e0bfab05 | 160 | //Byte 2: sensor High Word |
| electronichamsters | 8:46c5e0bfab05 | 161 | //Byte 3: |
| electronichamsters | 8:46c5e0bfab05 | 162 | //Byte 4: |
| electronichamsters | 8:46c5e0bfab05 | 163 | //Byte 5: sensor Low Byte |
| electronichamsters | 8:46c5e0bfab05 | 164 | |
| electronichamsters | 8:46c5e0bfab05 | 165 | |
| electronichamsters | 8:46c5e0bfab05 | 166 | //app ID is 16 bit, (0xFEFE) |
| electronichamsters | 8:46c5e0bfab05 | 167 | uint16_t applicationSpecificId; /* An ID used to identify temperature value in the manufacture specific AD data field */ |
| electronichamsters | 8:46c5e0bfab05 | 168 | |
| electronichamsters | 12:1049290dd610 | 169 | //TMP_nrf51::TempSensorValue_t tmpSensorValue; /* this is a float (32-bit), user data */ |
| rgrover1 | 5:f4d74a8cad43 | 170 | } PACKED; |
| sunsmile2015 | 0:3dc6e424dba0 | 171 | |
| electronichamsters | 8:46c5e0bfab05 | 172 | |
| electronichamsters | 8:46c5e0bfab05 | 173 | |
| electronichamsters | 8:46c5e0bfab05 | 174 | void debounce_Callback(void) |
| electronichamsters | 8:46c5e0bfab05 | 175 | { |
| electronichamsters | 12:1049290dd610 | 176 | //Tic_Debounce.detach(); |
| electronichamsters | 12:1049290dd610 | 177 | button1.mode(PullUp); //tilt switch should be opened (not shorted) in rest state |
| electronichamsters | 12:1049290dd610 | 178 | wait_ms(1); |
| electronichamsters | 12:1049290dd610 | 179 | uint8_t button1_state = button1.read(); |
| electronichamsters | 12:1049290dd610 | 180 | if ( button1_state == 1) //open circuit, top is in rest position |
| electronichamsters | 12:1049290dd610 | 181 | { |
| electronichamsters | 12:1049290dd610 | 182 | button1_released_counter++; |
| electronichamsters | 12:1049290dd610 | 183 | } |
| electronichamsters | 12:1049290dd610 | 184 | else |
| electronichamsters | 12:1049290dd610 | 185 | { |
| electronichamsters | 12:1049290dd610 | 186 | button1_released_counter = 0; |
| electronichamsters | 12:1049290dd610 | 187 | } |
| electronichamsters | 12:1049290dd610 | 188 | if (button1_released_counter >= 3) |
| electronichamsters | 12:1049290dd610 | 189 | { |
| electronichamsters | 12:1049290dd610 | 190 | Flag_Update_IO = true; //start advertising |
| electronichamsters | 12:1049290dd610 | 191 | Tic_Debounce.detach(); |
| electronichamsters | 12:1049290dd610 | 192 | button1_released_counter = 0; |
| electronichamsters | 12:1049290dd610 | 193 | //Period = false; |
| electronichamsters | 12:1049290dd610 | 194 | } |
| electronichamsters | 12:1049290dd610 | 195 | |
| electronichamsters | 8:46c5e0bfab05 | 196 | /* Note that the buttonPressedCallback() executes in interrupt context, so it is safer to access |
| electronichamsters | 8:46c5e0bfab05 | 197 | * BLE device API from the main thread. */ |
| electronichamsters | 12:1049290dd610 | 198 | |
| electronichamsters | 8:46c5e0bfab05 | 199 | } |
| electronichamsters | 8:46c5e0bfab05 | 200 | |
| electronichamsters | 12:1049290dd610 | 201 | /* |
| electronichamsters | 12:1049290dd610 | 202 | //ISR for I/O interrupt |
| electronichamsters | 8:46c5e0bfab05 | 203 | void buttonPressedCallback(void) |
| sunsmile2015 | 2:b935358da5ba | 204 | { |
| electronichamsters | 12:1049290dd610 | 205 | Tic_Debounce.attach(debounce_Callback, 1); //ok to attach multiple times, recent one wins |
| electronichamsters | 8:46c5e0bfab05 | 206 | } |
| electronichamsters | 12:1049290dd610 | 207 | */ |
| electronichamsters | 12:1049290dd610 | 208 | //ISR for I/O interrupt |
| electronichamsters | 8:46c5e0bfab05 | 209 | void buttonReleasedCallback(void) |
| electronichamsters | 8:46c5e0bfab05 | 210 | { |
| electronichamsters | 8:46c5e0bfab05 | 211 | |
| electronichamsters | 12:1049290dd610 | 212 | Tic_Debounce.attach(debounce_Callback, 3); |
| electronichamsters | 8:46c5e0bfab05 | 213 | } |
| electronichamsters | 8:46c5e0bfab05 | 214 | |
| electronichamsters | 8:46c5e0bfab05 | 215 | |
| electronichamsters | 8:46c5e0bfab05 | 216 | void stop_adv_Callback(void) |
| electronichamsters | 8:46c5e0bfab05 | 217 | { |
| electronichamsters | 8:46c5e0bfab05 | 218 | //stops advertising after X seconds |
| electronichamsters | 8:46c5e0bfab05 | 219 | /* Note that the Callback() executes in interrupt context, so it is safer to do |
| rgrover1 | 5:f4d74a8cad43 | 220 | * heavy-weight sensor polling from the main thread (where we should be able to block safely, if needed). */ |
| electronichamsters | 12:1049290dd610 | 221 | Flag_Detach_Adv_Tic = true; |
| electronichamsters | 12:1049290dd610 | 222 | |
| electronichamsters | 12:1049290dd610 | 223 | } |
| electronichamsters | 8:46c5e0bfab05 | 224 | |
| electronichamsters | 12:1049290dd610 | 225 | /* **************************************** |
| electronichamsters | 12:1049290dd610 | 226 | * Decides what actions need to be performed on periodic basis |
| electronichamsters | 12:1049290dd610 | 227 | *******************************************/ |
| electronichamsters | 12:1049290dd610 | 228 | void periodic_Callback(void) |
| electronichamsters | 12:1049290dd610 | 229 | { |
| electronichamsters | 12:1049290dd610 | 230 | Flag_Update_IO = true; |
| electronichamsters | 12:1049290dd610 | 231 | Flag_Periodic_Call = true; |
| electronichamsters | 12:1049290dd610 | 232 | } |
| electronichamsters | 12:1049290dd610 | 233 | |
| electronichamsters | 12:1049290dd610 | 234 | /* **************************************** |
| electronichamsters | 12:1049290dd610 | 235 | * Decides what actions need to be performed on periodic basis |
| electronichamsters | 12:1049290dd610 | 236 | *******************************************/ |
| electronichamsters | 12:1049290dd610 | 237 | void read_IO_Callback(void) |
| electronichamsters | 12:1049290dd610 | 238 | { |
| electronichamsters | 12:1049290dd610 | 239 | Flag_Update_IO = true; |
| electronichamsters | 12:1049290dd610 | 240 | Flag_Periodic_Call = false; |
| electronichamsters | 8:46c5e0bfab05 | 241 | } |
| electronichamsters | 8:46c5e0bfab05 | 242 | |
| electronichamsters | 8:46c5e0bfab05 | 243 | |
| electronichamsters | 12:1049290dd610 | 244 | /* **************************************** |
| electronichamsters | 12:1049290dd610 | 245 | * No RTC available, tickers only have a 35 minute range. |
| electronichamsters | 12:1049290dd610 | 246 | * So periodicity for spoof avoidance is set to 30 minutes |
| electronichamsters | 12:1049290dd610 | 247 | *******************************************/ |
| electronichamsters | 10:79e8f92ef156 | 248 | void clock_reset_Callback(void) |
| electronichamsters | 10:79e8f92ef156 | 249 | { |
| electronichamsters | 10:79e8f92ef156 | 250 | #if MyDebugEnb |
| electronichamsters | 10:79e8f92ef156 | 251 | device.printf("===== reset timer ====="); |
| electronichamsters | 10:79e8f92ef156 | 252 | device.printf("\r\n"); |
| electronichamsters | 10:79e8f92ef156 | 253 | #endif |
| electronichamsters | 12:1049290dd610 | 254 | Tmr_From_Birthday.reset(); |
| electronichamsters | 10:79e8f92ef156 | 255 | }; |
| electronichamsters | 10:79e8f92ef156 | 256 | |
| electronichamsters | 12:1049290dd610 | 257 | |
| rgrover1 | 5:f4d74a8cad43 | 258 | void setupApplicationData(ApplicationData_t &appData) |
| sunsmile2015 | 4:e5fa4c8838db | 259 | { |
| electronichamsters | 8:46c5e0bfab05 | 260 | // two byte ID: 0xFEFE |
| electronichamsters | 8:46c5e0bfab05 | 261 | static const uint16_t APP_SPECIFIC_ID_TEST = 0xFEFE; //2 byte application ID |
| andresag | 7:0a8bbb6dea16 | 262 | |
| sunsmile2015 | 4:e5fa4c8838db | 263 | appData.applicationSpecificId = APP_SPECIFIC_ID_TEST; |
| sunsmile2015 | 0:3dc6e424dba0 | 264 | } |
| sunsmile2015 | 0:3dc6e424dba0 | 265 | |
| electronichamsters | 8:46c5e0bfab05 | 266 | |
| electronichamsters | 8:46c5e0bfab05 | 267 | |
| andresag | 7:0a8bbb6dea16 | 268 | /** |
| andresag | 7:0a8bbb6dea16 | 269 | * This function is called when the ble initialization process has failled |
| andresag | 7:0a8bbb6dea16 | 270 | */ |
| andresag | 7:0a8bbb6dea16 | 271 | void onBleInitError(BLE &ble, ble_error_t error) |
| andresag | 7:0a8bbb6dea16 | 272 | { |
| andresag | 7:0a8bbb6dea16 | 273 | /* Initialization error handling should go here */ |
| andresag | 7:0a8bbb6dea16 | 274 | } |
| andresag | 7:0a8bbb6dea16 | 275 | |
| electronichamsters | 12:1049290dd610 | 276 | |
| electronichamsters | 12:1049290dd610 | 277 | |
| andresag | 7:0a8bbb6dea16 | 278 | /** |
| andresag | 7:0a8bbb6dea16 | 279 | * Callback triggered when the ble initialization process has finished |
| andresag | 7:0a8bbb6dea16 | 280 | */ |
| andresag | 7:0a8bbb6dea16 | 281 | void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) |
| sunsmile2015 | 2:b935358da5ba | 282 | { |
| andresag | 7:0a8bbb6dea16 | 283 | BLE& ble = params->ble; |
| andresag | 7:0a8bbb6dea16 | 284 | ble_error_t error = params->error; |
| andresag | 7:0a8bbb6dea16 | 285 | |
| andresag | 7:0a8bbb6dea16 | 286 | if (error != BLE_ERROR_NONE) { |
| andresag | 7:0a8bbb6dea16 | 287 | /* In case of error, forward the error handling to onBleInitError */ |
| andresag | 7:0a8bbb6dea16 | 288 | onBleInitError(ble, error); |
| andresag | 7:0a8bbb6dea16 | 289 | return; |
| andresag | 7:0a8bbb6dea16 | 290 | } |
| andresag | 7:0a8bbb6dea16 | 291 | |
| andresag | 7:0a8bbb6dea16 | 292 | /* Ensure that it is the default instance of BLE */ |
| andresag | 7:0a8bbb6dea16 | 293 | if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { |
| andresag | 7:0a8bbb6dea16 | 294 | return; |
| andresag | 7:0a8bbb6dea16 | 295 | } |
| electronichamsters | 8:46c5e0bfab05 | 296 | |
| electronichamsters | 8:46c5e0bfab05 | 297 | /* Set device name characteristic data */ |
| electronichamsters | 8:46c5e0bfab05 | 298 | ble.gap().setDeviceName((const uint8_t *) DEVICE_NAME); |
| andresag | 7:0a8bbb6dea16 | 299 | |
| rgrover1 | 5:f4d74a8cad43 | 300 | /* Setup advertising payload */ |
| electronichamsters | 8:46c5e0bfab05 | 301 | //set modes "no EDR", "discoverable" for beacon type advertisements |
| rgrover1 | 5:f4d74a8cad43 | 302 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
| electronichamsters | 8:46c5e0bfab05 | 303 | |
| electronichamsters | 11:4f925834167d | 304 | |
| electronichamsters | 8:46c5e0bfab05 | 305 | //from GAP example |
| electronichamsters | 8:46c5e0bfab05 | 306 | /* Sacrifice 2B of 31B to AdvType overhead, rest goes to AdvData array you define */ |
| electronichamsters | 8:46c5e0bfab05 | 307 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData)); |
| electronichamsters | 8:46c5e0bfab05 | 308 | |
| electronichamsters | 8:46c5e0bfab05 | 309 | /* Setup advertising parameters: not connectable */ |
| electronichamsters | 8:46c5e0bfab05 | 310 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); |
| electronichamsters | 12:1049290dd610 | 311 | ble.gap().setAdvertisingInterval(200); //one advertisment every 300ms. Self tickers, so you don't have to worry. |
| electronichamsters | 8:46c5e0bfab05 | 312 | |
| electronichamsters | 12:1049290dd610 | 313 | } |
| electronichamsters | 8:46c5e0bfab05 | 314 | |
| electronichamsters | 8:46c5e0bfab05 | 315 | |
| electronichamsters | 11:4f925834167d | 316 | //not needed anymore |
| electronichamsters | 8:46c5e0bfab05 | 317 | void my_analogin_init(void) |
| electronichamsters | 8:46c5e0bfab05 | 318 | { |
| electronichamsters | 10:79e8f92ef156 | 319 | |
| electronichamsters | 8:46c5e0bfab05 | 320 | NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) | |
| electronichamsters | 8:46c5e0bfab05 | 321 | (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 322 | //(ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) | |
| electronichamsters | 8:46c5e0bfab05 | 323 | (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) | |
| electronichamsters | 8:46c5e0bfab05 | 324 | (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 325 | //(ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) | |
| electronichamsters | 8:46c5e0bfab05 | 326 | (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos); |
| electronichamsters | 10:79e8f92ef156 | 327 | NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled; |
| electronichamsters | 8:46c5e0bfab05 | 328 | } |
| sunsmile2015 | 2:b935358da5ba | 329 | |
| electronichamsters | 12:1049290dd610 | 330 | |
| electronichamsters | 12:1049290dd610 | 331 | /* **************************************** |
| electronichamsters | 12:1049290dd610 | 332 | * Read battery voltage using bandgap reference |
| electronichamsters | 12:1049290dd610 | 333 | * shunt Vdd to ADC, thanks to Marcelo Salazar's notes here: |
| electronichamsters | 12:1049290dd610 | 334 | * https://developer.mbed.org/users/MarceloSalazar/notebook/measuring-battery-voltage-with-nordic-nrf51x/ |
| electronichamsters | 12:1049290dd610 | 335 | *******************************************/ |
| electronichamsters | 12:1049290dd610 | 336 | uint16_t read_bat_volt(void) |
| electronichamsters | 8:46c5e0bfab05 | 337 | { |
| electronichamsters | 10:79e8f92ef156 | 338 | //10 bit resolution, route Vdd as analog input, set ADC ref to VBG band gap |
| electronichamsters | 10:79e8f92ef156 | 339 | //disable analog pin select "PSEL" because we're using Vdd as analog input |
| electronichamsters | 10:79e8f92ef156 | 340 | //no external voltage reference |
| electronichamsters | 10:79e8f92ef156 | 341 | NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 342 | (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 343 | //(ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 344 | (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 345 | (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 346 | //(ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 347 | (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos); |
| electronichamsters | 10:79e8f92ef156 | 348 | |
| electronichamsters | 10:79e8f92ef156 | 349 | //NRF_ADC->CONFIG &= ~ADC_CONFIG_PSEL_Msk; |
| electronichamsters | 10:79e8f92ef156 | 350 | //NRF_ADC->CONFIG |= ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos; |
| electronichamsters | 10:79e8f92ef156 | 351 | NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled; |
| electronichamsters | 10:79e8f92ef156 | 352 | NRF_ADC->TASKS_START = 1; |
| electronichamsters | 10:79e8f92ef156 | 353 | |
| electronichamsters | 10:79e8f92ef156 | 354 | |
| electronichamsters | 10:79e8f92ef156 | 355 | //while loop doesn't actually loop until reading comlete, use a wait. |
| electronichamsters | 10:79e8f92ef156 | 356 | while (((NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) >> ADC_BUSY_BUSY_Pos) == ADC_BUSY_BUSY_Busy) {}; |
| electronichamsters | 12:1049290dd610 | 357 | wait_ms(1); |
| electronichamsters | 10:79e8f92ef156 | 358 | |
| electronichamsters | 10:79e8f92ef156 | 359 | //save off RESULT before disabling. |
| electronichamsters | 10:79e8f92ef156 | 360 | //uint16_t myresult = (uint16_t)NRF_ADC->RESULT; |
| electronichamsters | 10:79e8f92ef156 | 361 | |
| electronichamsters | 10:79e8f92ef156 | 362 | //disable ADC to lower bat consumption |
| electronichamsters | 10:79e8f92ef156 | 363 | NRF_ADC->TASKS_STOP = 1; |
| electronichamsters | 10:79e8f92ef156 | 364 | //NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption |
| electronichamsters | 10:79e8f92ef156 | 365 | |
| electronichamsters | 10:79e8f92ef156 | 366 | return (uint16_t)NRF_ADC->RESULT; // 10 bit |
| electronichamsters | 10:79e8f92ef156 | 367 | //return myresult; |
| electronichamsters | 12:1049290dd610 | 368 | } //end read_bat_volt |
| electronichamsters | 12:1049290dd610 | 369 | |
| electronichamsters | 12:1049290dd610 | 370 | |
| electronichamsters | 10:79e8f92ef156 | 371 | |
| electronichamsters | 12:1049290dd610 | 372 | /* **************************************** |
| electronichamsters | 12:1049290dd610 | 373 | * Read battery voltage using bandgap reference |
| electronichamsters | 12:1049290dd610 | 374 | * shunt analog pin to ADC, from API here |
| electronichamsters | 12:1049290dd610 | 375 | * https://developer.mbed.org/users/mbed_official/code/mbed-src/file/cb4253f91ada/targets/hal/TARGET_NORDIC/TARGET_NRF51822/analogin_api.c |
| electronichamsters | 12:1049290dd610 | 376 | *******************************************/ |
| electronichamsters | 12:1049290dd610 | 377 | uint16_t read_ADC_pin(void) |
| electronichamsters | 10:79e8f92ef156 | 378 | { |
| electronichamsters | 10:79e8f92ef156 | 379 | |
| electronichamsters | 10:79e8f92ef156 | 380 | //10 bit resolution, route PSEL pin as 1/3 input sel, |
| electronichamsters | 10:79e8f92ef156 | 381 | //set ADC ref to VBG band gap |
| electronichamsters | 10:79e8f92ef156 | 382 | //set AnalogInput4 as input pin (this is P0.03) |
| electronichamsters | 10:79e8f92ef156 | 383 | //no external voltage reference |
| electronichamsters | 10:79e8f92ef156 | 384 | NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 385 | //(ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 386 | (ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 387 | (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 388 | //ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 389 | (ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) | |
| electronichamsters | 10:79e8f92ef156 | 390 | (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos); |
| electronichamsters | 10:79e8f92ef156 | 391 | //set pin select to AnalogInput4 = pin 7 = p0.03 = AIN4 |
| electronichamsters | 10:79e8f92ef156 | 392 | //NRF_ADC->CONFIG &= ~ADC_CONFIG_PSEL_Msk; |
| electronichamsters | 10:79e8f92ef156 | 393 | //NRF_ADC->CONFIG |= ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos; |
| electronichamsters | 10:79e8f92ef156 | 394 | NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled; |
| electronichamsters | 8:46c5e0bfab05 | 395 | NRF_ADC->TASKS_START = 1; |
| electronichamsters | 8:46c5e0bfab05 | 396 | |
| electronichamsters | 8:46c5e0bfab05 | 397 | |
| electronichamsters | 8:46c5e0bfab05 | 398 | //while loop doesn't actually loop until reading comlete, use a wait. |
| electronichamsters | 8:46c5e0bfab05 | 399 | while (((NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) >> ADC_BUSY_BUSY_Pos) == ADC_BUSY_BUSY_Busy) {}; |
| electronichamsters | 12:1049290dd610 | 400 | wait_ms(1); //needed because busy while loop doesn't run. |
| electronichamsters | 8:46c5e0bfab05 | 401 | |
| electronichamsters | 8:46c5e0bfab05 | 402 | //save off RESULT before disabling. |
| electronichamsters | 8:46c5e0bfab05 | 403 | //uint16_t myresult = (uint16_t)NRF_ADC->RESULT; |
| electronichamsters | 8:46c5e0bfab05 | 404 | |
| electronichamsters | 8:46c5e0bfab05 | 405 | //disable ADC to lower bat consumption |
| electronichamsters | 8:46c5e0bfab05 | 406 | //NRF_ADC->TASKS_STOP = 1; |
| electronichamsters | 8:46c5e0bfab05 | 407 | //NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption |
| electronichamsters | 8:46c5e0bfab05 | 408 | |
| electronichamsters | 8:46c5e0bfab05 | 409 | return (uint16_t)NRF_ADC->RESULT; // 10 bit |
| electronichamsters | 8:46c5e0bfab05 | 410 | //return myresult; |
| electronichamsters | 12:1049290dd610 | 411 | } //end read_ADC_pin |
| sunsmile2015 | 4:e5fa4c8838db | 412 | |
| electronichamsters | 10:79e8f92ef156 | 413 | |
| electronichamsters | 12:1049290dd610 | 414 | /* **************************************** |
| electronichamsters | 12:1049290dd610 | 415 | * Pattern scheme indicating "one of ours" |
| electronichamsters | 12:1049290dd610 | 416 | * generate first part of ADV data so that observer can recognize it as "one of ours". |
| electronichamsters | 12:1049290dd610 | 417 | * use specific schema to decide how we're recognizing our sensor ADV |
| electronichamsters | 12:1049290dd610 | 418 | *******************************************/ |
| electronichamsters | 10:79e8f92ef156 | 419 | void hash_first_section(uint8_t * dest, const uint8_t * mac_addr, const char * bat_volt_str) |
| electronichamsters | 10:79e8f92ef156 | 420 | { |
| electronichamsters | 10:79e8f92ef156 | 421 | dest[0] = mac_addr[3]; |
| electronichamsters | 10:79e8f92ef156 | 422 | dest[1] = mac_addr[2]; |
| electronichamsters | 10:79e8f92ef156 | 423 | dest[2] = mac_addr[1]; |
| electronichamsters | 10:79e8f92ef156 | 424 | dest[3] = mac_addr[0]; |
| electronichamsters | 10:79e8f92ef156 | 425 | dest[4] = bat_volt_str[0]; |
| electronichamsters | 10:79e8f92ef156 | 426 | dest[5] = bat_volt_str[1]; |
| electronichamsters | 10:79e8f92ef156 | 427 | dest[6] = bat_volt_str[2]; |
| electronichamsters | 10:79e8f92ef156 | 428 | dest[7] = bat_volt_str[3]; |
| electronichamsters | 10:79e8f92ef156 | 429 | dest[8] = 0x10; |
| electronichamsters | 10:79e8f92ef156 | 430 | dest[9] = 0x11; |
| electronichamsters | 12:1049290dd610 | 431 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 432 | |
| electronichamsters | 12:1049290dd610 | 433 | device.printf("hash array: "); |
| electronichamsters | 12:1049290dd610 | 434 | for (int i=0; i<10; i++) |
| electronichamsters | 12:1049290dd610 | 435 | { |
| electronichamsters | 12:1049290dd610 | 436 | device.printf("%x ", dest[i]); |
| electronichamsters | 12:1049290dd610 | 437 | } |
| electronichamsters | 12:1049290dd610 | 438 | device.printf("\r\n"); |
| electronichamsters | 12:1049290dd610 | 439 | #endif |
| electronichamsters | 10:79e8f92ef156 | 440 | } |
| electronichamsters | 10:79e8f92ef156 | 441 | |
| electronichamsters | 10:79e8f92ef156 | 442 | |
| electronichamsters | 12:1049290dd610 | 443 | /* **************************************** |
| electronichamsters | 12:1049290dd610 | 444 | * |
| electronichamsters | 12:1049290dd610 | 445 | * Main Loop |
| electronichamsters | 12:1049290dd610 | 446 | * |
| electronichamsters | 12:1049290dd610 | 447 | *******************************************/ |
| sunsmile2015 | 2:b935358da5ba | 448 | int main(void) |
| sunsmile2015 | 2:b935358da5ba | 449 | { |
| electronichamsters | 8:46c5e0bfab05 | 450 | |
| electronichamsters | 12:1049290dd610 | 451 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 452 | device.baud(9600); |
| electronichamsters | 12:1049290dd610 | 453 | device.printf("started sensor node 36 "); |
| electronichamsters | 12:1049290dd610 | 454 | device.printf("\r\n"); |
| electronichamsters | 12:1049290dd610 | 455 | #endif |
| electronichamsters | 8:46c5e0bfab05 | 456 | |
| electronichamsters | 12:1049290dd610 | 457 | //pinHandShake = 0; |
| electronichamsters | 12:1049290dd610 | 458 | //pinHandShake.mode(PullNone); //Expecting gateway to set pin high for flow control |
| electronichamsters | 12:1049290dd610 | 459 | Tmr_From_Birthday.start(); //tracks # sec since birthday |
| electronichamsters | 8:46c5e0bfab05 | 460 | |
| sunsmile2015 | 0:3dc6e424dba0 | 461 | |
| andresag | 7:0a8bbb6dea16 | 462 | BLE &ble = BLE::Instance(); |
| andresag | 7:0a8bbb6dea16 | 463 | ble.init(bleInitComplete); |
| electronichamsters | 8:46c5e0bfab05 | 464 | |
| electronichamsters | 8:46c5e0bfab05 | 465 | float bat_reading; //hold battery voltage reading (Vbg/Vcc) |
| electronichamsters | 8:46c5e0bfab05 | 466 | |
| electronichamsters | 8:46c5e0bfab05 | 467 | my_analogin_init();//routes band-gap to analog input |
| andresag | 7:0a8bbb6dea16 | 468 | |
| andresag | 7:0a8bbb6dea16 | 469 | /* SpinWait for initialization to complete. This is necessary because the |
| andresag | 7:0a8bbb6dea16 | 470 | * BLE object is used in the main loop below. */ |
| electronichamsters | 8:46c5e0bfab05 | 471 | while (ble.hasInitialized() == false) { /* spin loop */ } |
| electronichamsters | 8:46c5e0bfab05 | 472 | |
| electronichamsters | 8:46c5e0bfab05 | 473 | //every X seconds, sends period update, up to 1800 (30 minutes) |
| electronichamsters | 12:1049290dd610 | 474 | Tic_Periodic.attach(periodic_Callback, Periodic_Update_Seconds); //send updated I/O every x seconds |
| electronichamsters | 12:1049290dd610 | 475 | Tic_Birthday.attach(clock_reset_Callback, Periodicity); //clock algorithm periodicity |
| rgrover1 | 5:f4d74a8cad43 | 476 | |
| electronichamsters | 10:79e8f92ef156 | 477 | |
| electronichamsters | 12:1049290dd610 | 478 | ble.getAddress(0,mac_reverse); //last byte of MAC (as shown on phone app) is at mac[0], not mac[6]; |
| electronichamsters | 12:1049290dd610 | 479 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 480 | device.printf("mac = "); |
| electronichamsters | 12:1049290dd610 | 481 | for (int i=0; i<6; i++) //prints out MAC address in reverse order; opps. |
| electronichamsters | 12:1049290dd610 | 482 | { |
| electronichamsters | 12:1049290dd610 | 483 | device.printf("%x:", mac_reverse[i]); |
| electronichamsters | 12:1049290dd610 | 484 | } |
| electronichamsters | 12:1049290dd610 | 485 | device.printf("\r\n"); |
| electronichamsters | 12:1049290dd610 | 486 | #endif |
| electronichamsters | 12:1049290dd610 | 487 | |
| electronichamsters | 12:1049290dd610 | 488 | button1.rise(NULL); //disable interrupt on rise |
| electronichamsters | 12:1049290dd610 | 489 | |
| electronichamsters | 12:1049290dd610 | 490 | while (true) |
| electronichamsters | 12:1049290dd610 | 491 | { //Main Loop |
| electronichamsters | 12:1049290dd610 | 492 | |
| electronichamsters | 12:1049290dd610 | 493 | uint16_t seconds_Old =(uint16_t)(Tmr_From_Birthday.read_ms()/1000); // 0-1800 seconds (30 minutes) |
| electronichamsters | 12:1049290dd610 | 494 | |
| electronichamsters | 12:1049290dd610 | 495 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 496 | device.printf("current time in seconds: %d \r\n", seconds_Old); |
| electronichamsters | 12:1049290dd610 | 497 | #endif |
| electronichamsters | 12:1049290dd610 | 498 | |
| electronichamsters | 8:46c5e0bfab05 | 499 | |
| electronichamsters | 12:1049290dd610 | 500 | button1.mode(PullUp); //tilt switch should be opened (not shorted) in rest state |
| electronichamsters | 12:1049290dd610 | 501 | //0 = activity |
| electronichamsters | 12:1049290dd610 | 502 | //1 = no activity |
| electronichamsters | 8:46c5e0bfab05 | 503 | |
| electronichamsters | 12:1049290dd610 | 504 | uint8_t button1_state = button1.read(); |
| electronichamsters | 12:1049290dd610 | 505 | if ( button1_state == 0) //pin grounded, there's activity, set sleep for 3 seconds |
| electronichamsters | 12:1049290dd610 | 506 | { |
| electronichamsters | 12:1049290dd610 | 507 | Tic_Periodic.attach(periodic_Callback, Periodic_Update_Seconds); //reset periodic |
| electronichamsters | 12:1049290dd610 | 508 | button1.fall(NULL); //disable interrupt |
| electronichamsters | 12:1049290dd610 | 509 | button1.mode(PullNone); //float pin to save battery |
| electronichamsters | 12:1049290dd610 | 510 | |
| electronichamsters | 12:1049290dd610 | 511 | //Tic_Periodic.attach(read_IO_Callback, 3); //wait 3 seconds before reading pins again |
| electronichamsters | 12:1049290dd610 | 512 | //Flag_Update_IO = false; |
| electronichamsters | 12:1049290dd610 | 513 | } |
| electronichamsters | 12:1049290dd610 | 514 | else //pin open, no activity |
| electronichamsters | 12:1049290dd610 | 515 | { |
| electronichamsters | 12:1049290dd610 | 516 | button1.fall(buttonReleasedCallback); //enable interrupt |
| electronichamsters | 12:1049290dd610 | 517 | button1.mode(PullUp); //pull up on pin to get interrupt |
| electronichamsters | 12:1049290dd610 | 518 | |
| electronichamsters | 12:1049290dd610 | 519 | } |
| electronichamsters | 12:1049290dd610 | 520 | |
| electronichamsters | 12:1049290dd610 | 521 | /* comment out button interrupts |
| electronichamsters | 12:1049290dd610 | 522 | |
| electronichamsters | 8:46c5e0bfab05 | 523 | |
| electronichamsters | 8:46c5e0bfab05 | 524 | //set both pins to pull-up, so they're not floating when we read state |
| electronichamsters | 8:46c5e0bfab05 | 525 | button1.mode(PullUp); |
| electronichamsters | 8:46c5e0bfab05 | 526 | button2.mode(PullUp); |
| electronichamsters | 8:46c5e0bfab05 | 527 | |
| electronichamsters | 8:46c5e0bfab05 | 528 | //expect either button1 or button2 is grounded, b/c using SPDT reed switch |
| electronichamsters | 8:46c5e0bfab05 | 529 | //the "common" pin on the reed switch should be on GND |
| electronichamsters | 8:46c5e0bfab05 | 530 | uint8_t button1_state = button1.read(); |
| electronichamsters | 8:46c5e0bfab05 | 531 | uint8_t button2_state = button2.read(); |
| electronichamsters | 8:46c5e0bfab05 | 532 | |
| electronichamsters | 8:46c5e0bfab05 | 533 | |
| electronichamsters | 8:46c5e0bfab05 | 534 | //let's just update the pins on every wake. Insurance against const drain. |
| electronichamsters | 12:1049290dd610 | 535 | //if state == 0, pin is grounded. Unset interrupt and float pin, set the other pin for ISR |
| electronichamsters | 8:46c5e0bfab05 | 536 | if ( (button1_state == 0) && (button2_state == 1) ) |
| electronichamsters | 8:46c5e0bfab05 | 537 | { |
| electronichamsters | 8:46c5e0bfab05 | 538 | magnet_near = 1; |
| electronichamsters | 8:46c5e0bfab05 | 539 | //button1.disable_irq() //don't know if disables IRQ on port or pin |
| electronichamsters | 8:46c5e0bfab05 | 540 | button1.fall(NULL); //disable interrupt |
| electronichamsters | 8:46c5e0bfab05 | 541 | button1.rise(NULL); //disable interrupt |
| electronichamsters | 8:46c5e0bfab05 | 542 | button1.mode(PullNone); //float pin to save battery |
| electronichamsters | 8:46c5e0bfab05 | 543 | |
| electronichamsters | 8:46c5e0bfab05 | 544 | //button2.disable_irq() //don't know if disables IRQ on port or pin |
| electronichamsters | 10:79e8f92ef156 | 545 | button2.fall(buttonReleasedCallback); //enable interrupt |
| electronichamsters | 10:79e8f92ef156 | 546 | button2.rise(buttonReleasedCallback); //enable interrupt |
| electronichamsters | 10:79e8f92ef156 | 547 | button2.mode(PullUp); //pull up on pin to get interrupt |
| electronichamsters | 12:1049290dd610 | 548 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 549 | device.printf("=== button 1! %d seconds=== \r\n", seconds_Old); |
| electronichamsters | 12:1049290dd610 | 550 | #endif |
| electronichamsters | 12:1049290dd610 | 551 | } //end if button2 |
| electronichamsters | 8:46c5e0bfab05 | 552 | else if ( (button1_state == 1) && (button2_state == 0) ) //assume other pin is open circuit |
| electronichamsters | 8:46c5e0bfab05 | 553 | { |
| electronichamsters | 8:46c5e0bfab05 | 554 | magnet_near = 0; |
| electronichamsters | 8:46c5e0bfab05 | 555 | //button1.disable_irq() //don't know if disables IRQ on port or pin |
| electronichamsters | 10:79e8f92ef156 | 556 | button1.fall(buttonReleasedCallback); //enable interrupt |
| electronichamsters | 10:79e8f92ef156 | 557 | button1.rise(buttonReleasedCallback); //enable interrupt |
| electronichamsters | 10:79e8f92ef156 | 558 | button1.mode(PullUp); //pull up on pin to get interrupt |
| electronichamsters | 8:46c5e0bfab05 | 559 | |
| electronichamsters | 8:46c5e0bfab05 | 560 | //button2.disable_irq() //don't know if disables IRQ on port or pin |
| electronichamsters | 8:46c5e0bfab05 | 561 | button2.fall(NULL); //disable interrupt |
| electronichamsters | 8:46c5e0bfab05 | 562 | button2.rise(NULL); //disable interrupt |
| electronichamsters | 8:46c5e0bfab05 | 563 | button2.mode(PullNone); //float pin to save battery |
| electronichamsters | 12:1049290dd610 | 564 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 565 | device.printf("=== button 2! === %d seconds\r\n", seconds_Old); |
| electronichamsters | 12:1049290dd610 | 566 | #endif |
| electronichamsters | 12:1049290dd610 | 567 | } //end if button1 |
| electronichamsters | 8:46c5e0bfab05 | 568 | else //odd state, shouldn't happen, suck battery and pullup both pins |
| electronichamsters | 8:46c5e0bfab05 | 569 | { |
| electronichamsters | 8:46c5e0bfab05 | 570 | magnet_near = 2; |
| electronichamsters | 8:46c5e0bfab05 | 571 | //AdvData[4] = 0x33; |
| electronichamsters | 8:46c5e0bfab05 | 572 | //button1.disable_irq() //don't know if disables IRQ on port or pin |
| electronichamsters | 8:46c5e0bfab05 | 573 | button1.fall(buttonReleasedCallback); //disable interrupt |
| electronichamsters | 8:46c5e0bfab05 | 574 | button1.rise(buttonReleasedCallback); //disable interrupt |
| electronichamsters | 8:46c5e0bfab05 | 575 | button1.mode(PullUp); //float pin to save battery |
| electronichamsters | 8:46c5e0bfab05 | 576 | |
| electronichamsters | 8:46c5e0bfab05 | 577 | //button2.disable_irq() //don't know if disables IRQ on port or pin |
| electronichamsters | 8:46c5e0bfab05 | 578 | button2.fall(buttonReleasedCallback); //disable interrupt |
| electronichamsters | 8:46c5e0bfab05 | 579 | button2.rise(buttonReleasedCallback); //disable interrupt |
| electronichamsters | 8:46c5e0bfab05 | 580 | button2.mode(PullUp); //float pin to save battery |
| electronichamsters | 12:1049290dd610 | 581 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 582 | device.printf("no buttons!! %d seconds\r\n", seconds_Old); |
| electronichamsters | 12:1049290dd610 | 583 | #endif |
| electronichamsters | 12:1049290dd610 | 584 | } //end odd state |
| electronichamsters | 8:46c5e0bfab05 | 585 | |
| electronichamsters | 8:46c5e0bfab05 | 586 | |
| electronichamsters | 12:1049290dd610 | 587 | **** end comment out button interrupts */ |
| electronichamsters | 12:1049290dd610 | 588 | |
| electronichamsters | 12:1049290dd610 | 589 | |
| electronichamsters | 12:1049290dd610 | 590 | if (Flag_Update_IO) { |
| electronichamsters | 12:1049290dd610 | 591 | |
| electronichamsters | 12:1049290dd610 | 592 | //pinHandShake = 1; //enable distance sensor |
| electronichamsters | 12:1049290dd610 | 593 | //wait_ms(500); //let sensor run |
| andresag | 7:0a8bbb6dea16 | 594 | /* Do blocking calls or whatever hardware-specific action is |
| andresag | 7:0a8bbb6dea16 | 595 | * necessary to poll the sensor. */ |
| electronichamsters | 8:46c5e0bfab05 | 596 | |
| electronichamsters | 12:1049290dd610 | 597 | //call attach again on periodic update to reset ticker |
| electronichamsters | 12:1049290dd610 | 598 | //next periodic updates happens Perioidc_Update_Seconds after I/O events |
| electronichamsters | 12:1049290dd610 | 599 | Tic_Periodic.attach(periodic_Callback, Periodic_Update_Seconds); |
| electronichamsters | 10:79e8f92ef156 | 600 | Xmit_Cnt++; //increment transmit counter when updating I/O |
| electronichamsters | 10:79e8f92ef156 | 601 | |
| electronichamsters | 10:79e8f92ef156 | 602 | |
| electronichamsters | 12:1049290dd610 | 603 | //read and convert battery voltage |
| electronichamsters | 12:1049290dd610 | 604 | bat_reading = (float)read_bat_volt(); |
| electronichamsters | 8:46c5e0bfab05 | 605 | bat_reading = (bat_reading * 3.6) / 1024.0; |
| electronichamsters | 12:1049290dd610 | 606 | #if MyDebugEnb |
| electronichamsters | 8:46c5e0bfab05 | 607 | device.printf("bat reading: %f \r\n", bat_reading); |
| electronichamsters | 12:1049290dd610 | 608 | #endif |
| electronichamsters | 12:1049290dd610 | 609 | //write battery voltage |
| electronichamsters | 12:1049290dd610 | 610 | uint8_t total_chars; |
| electronichamsters | 12:1049290dd610 | 611 | memset(&bat_volt_char[0], 0, sizeof(bat_volt_char)); //clear out buffer |
| electronichamsters | 12:1049290dd610 | 612 | //convert battery voltage float value to string reprsentation to 2 decimal places, and save the size of string. |
| electronichamsters | 12:1049290dd610 | 613 | total_chars = sprintf (bat_volt_char, "%.2f", bat_reading); |
| electronichamsters | 8:46c5e0bfab05 | 614 | |
| electronichamsters | 12:1049290dd610 | 615 | |
| electronichamsters | 12:1049290dd610 | 616 | //read and convert analog voltage. Comment out this section if note needed, saves some battery |
| electronichamsters | 10:79e8f92ef156 | 617 | NRF_ADC->TASKS_STOP = 1; |
| electronichamsters | 10:79e8f92ef156 | 618 | float analogreading; |
| electronichamsters | 12:1049290dd610 | 619 | analogreading = (float)read_ADC_pin(); |
| electronichamsters | 10:79e8f92ef156 | 620 | analogreading = (analogreading * 3.6) / 1024.0; |
| electronichamsters | 10:79e8f92ef156 | 621 | #if MyDebugEnb |
| electronichamsters | 10:79e8f92ef156 | 622 | device.printf("separate analog reading: %.02f \r\n", analogreading); |
| electronichamsters | 10:79e8f92ef156 | 623 | #endif |
| electronichamsters | 10:79e8f92ef156 | 624 | |
| electronichamsters | 12:1049290dd610 | 625 | //disable ADC to save power |
| electronichamsters | 8:46c5e0bfab05 | 626 | NRF_ADC->TASKS_STOP = 1; |
| electronichamsters | 8:46c5e0bfab05 | 627 | NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption |
| electronichamsters | 8:46c5e0bfab05 | 628 | |
| electronichamsters | 12:1049290dd610 | 629 | //read distance using VL6180 |
| electronichamsters | 12:1049290dd610 | 630 | float sensor_reading = rf; |
| electronichamsters | 12:1049290dd610 | 631 | uint8_t total_chars_sensor; |
| electronichamsters | 12:1049290dd610 | 632 | memset(&sensor_char[0], 0, sizeof(sensor_char)); //clear out buffer |
| electronichamsters | 12:1049290dd610 | 633 | total_chars_sensor = sprintf (sensor_char, "%.2f", sensor_reading); |
| electronichamsters | 12:1049290dd610 | 634 | |
| electronichamsters | 12:1049290dd610 | 635 | //pinHandShake = 0; //enable distance sensor |
| electronichamsters | 10:79e8f92ef156 | 636 | |
| electronichamsters | 12:1049290dd610 | 637 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 638 | 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 | 12:1049290dd610 | 639 | device.printf("num chars: %d \r\n", total_chars); |
| electronichamsters | 12:1049290dd610 | 640 | #endif |
| electronichamsters | 8:46c5e0bfab05 | 641 | |
| electronichamsters | 8:46c5e0bfab05 | 642 | |
| electronichamsters | 12:1049290dd610 | 643 | //Generate "First Section" for ADV_Data so gateway will recognize our advertisement pattern |
| electronichamsters | 12:1049290dd610 | 644 | hash_first_section(Adv_First_Section, mac_reverse, bat_volt_char); |
| electronichamsters | 8:46c5e0bfab05 | 645 | |
| electronichamsters | 10:79e8f92ef156 | 646 | |
| electronichamsters | 12:1049290dd610 | 647 | /* **************************************** |
| electronichamsters | 12:1049290dd610 | 648 | * start writing out ADVData array |
| electronichamsters | 12:1049290dd610 | 649 | * todo: this is easy to write but hard to read. Maybe make it easy to read and hard to write? |
| electronichamsters | 12:1049290dd610 | 650 | ******************************************/ |
| electronichamsters | 10:79e8f92ef156 | 651 | memset(&AdvData[0], 0, sizeof(AdvData)); |
| electronichamsters | 10:79e8f92ef156 | 652 | uint8_t JSON_loc=0; //AdvData[0] |
| electronichamsters | 10:79e8f92ef156 | 653 | |
| electronichamsters | 12:1049290dd610 | 654 | AdvData[0] = Adv_First_Section[0]; //"our device" flag, MAC[3] |
| electronichamsters | 12:1049290dd610 | 655 | JSON_loc++; //JSON_loc == 1 |
| electronichamsters | 12:1049290dd610 | 656 | AdvData[1] = Adv_First_Section[1]; //"out device" flag, MAC[2]... |
| electronichamsters | 12:1049290dd610 | 657 | JSON_loc++; //JSON_loc == 2 |
| electronichamsters | 12:1049290dd610 | 658 | AdvData[2] = Adv_First_Section[2]; |
| electronichamsters | 12:1049290dd610 | 659 | JSON_loc++; //JSON_loc == 3 |
| electronichamsters | 12:1049290dd610 | 660 | AdvData[3] = Adv_First_Section[3]; |
| electronichamsters | 12:1049290dd610 | 661 | JSON_loc++; //JSON_loc == 4 |
| electronichamsters | 12:1049290dd610 | 662 | AdvData[4] = Adv_First_Section[4]; |
| electronichamsters | 12:1049290dd610 | 663 | JSON_loc++; //JSON_loc == 5 |
| electronichamsters | 12:1049290dd610 | 664 | AdvData[5] = Adv_First_Section[5]; |
| electronichamsters | 12:1049290dd610 | 665 | JSON_loc++; //JSON_loc == 6 |
| electronichamsters | 12:1049290dd610 | 666 | AdvData[6] = Adv_First_Section[6]; |
| electronichamsters | 10:79e8f92ef156 | 667 | JSON_loc++; |
| electronichamsters | 12:1049290dd610 | 668 | AdvData[7] = Adv_First_Section[7]; |
| electronichamsters | 10:79e8f92ef156 | 669 | JSON_loc++; |
| electronichamsters | 12:1049290dd610 | 670 | AdvData[8] = Adv_First_Section[8]; |
| electronichamsters | 10:79e8f92ef156 | 671 | JSON_loc++; |
| electronichamsters | 12:1049290dd610 | 672 | AdvData[9] = Adv_First_Section[9]; |
| electronichamsters | 8:46c5e0bfab05 | 673 | JSON_loc++; |
| electronichamsters | 10:79e8f92ef156 | 674 | |
| electronichamsters | 12:1049290dd610 | 675 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 676 | device.printf("ADV first 10 array: "); |
| electronichamsters | 12:1049290dd610 | 677 | for (int i=0; i<10; i++) |
| electronichamsters | 12:1049290dd610 | 678 | { |
| electronichamsters | 12:1049290dd610 | 679 | device.printf("%x ", AdvData[i]); |
| electronichamsters | 12:1049290dd610 | 680 | } |
| electronichamsters | 12:1049290dd610 | 681 | device.printf("\r\n"); |
| electronichamsters | 12:1049290dd610 | 682 | #endif |
| electronichamsters | 10:79e8f92ef156 | 683 | |
| electronichamsters | 10:79e8f92ef156 | 684 | |
| electronichamsters | 10:79e8f92ef156 | 685 | JSON_loc = 10; |
| electronichamsters | 12:1049290dd610 | 686 | //Start of encrypted user data |
| electronichamsters | 12:1049290dd610 | 687 | |
| electronichamsters | 12:1049290dd610 | 688 | //[10] and [11] hold 2 bytes for how many seconds since birthday, little endian |
| electronichamsters | 12:1049290dd610 | 689 | AdvData[10] = seconds_Old & 0xFF; |
| electronichamsters | 8:46c5e0bfab05 | 690 | JSON_loc++; |
| electronichamsters | 12:1049290dd610 | 691 | AdvData[11] = (seconds_Old >> 8) & 0xFF; |
| electronichamsters | 10:79e8f92ef156 | 692 | JSON_loc++; |
| electronichamsters | 12:1049290dd610 | 693 | |
| electronichamsters | 10:79e8f92ef156 | 694 | AdvData[12] = Xmit_Cnt; |
| electronichamsters | 8:46c5e0bfab05 | 695 | JSON_loc++; |
| electronichamsters | 12:1049290dd610 | 696 | |
| electronichamsters | 10:79e8f92ef156 | 697 | //start of jason data |
| electronichamsters | 12:1049290dd610 | 698 | //"mag": |
| electronichamsters | 12:1049290dd610 | 699 | JSON_loc = 13; //hardcode should be 13 |
| electronichamsters | 12:1049290dd610 | 700 | AdvData[JSON_loc] = 0x22; //ADV_Data[13] = " |
| electronichamsters | 10:79e8f92ef156 | 701 | JSON_loc++; //14 |
| electronichamsters | 8:46c5e0bfab05 | 702 | |
| electronichamsters | 12:1049290dd610 | 703 | AdvData[JSON_loc] = 'd'; //ADV_Data[14] = d |
| electronichamsters | 10:79e8f92ef156 | 704 | JSON_loc++; //15 |
| electronichamsters | 10:79e8f92ef156 | 705 | |
| electronichamsters | 12:1049290dd610 | 706 | AdvData[JSON_loc] = 'i'; //ADV_Data[15] = i |
| electronichamsters | 10:79e8f92ef156 | 707 | JSON_loc++; //16 |
| electronichamsters | 10:79e8f92ef156 | 708 | |
| electronichamsters | 12:1049290dd610 | 709 | AdvData[JSON_loc] = 's'; //ADV_Data[16] = s |
| electronichamsters | 10:79e8f92ef156 | 710 | JSON_loc++; //17 |
| electronichamsters | 8:46c5e0bfab05 | 711 | |
| electronichamsters | 12:1049290dd610 | 712 | //for periodic calls, we want to add an extra mqtt level "p", using "/p" |
| electronichamsters | 12:1049290dd610 | 713 | //to delineate between MQTT publishes from real world I/O interrupts vs timer interrupts |
| electronichamsters | 12:1049290dd610 | 714 | if (Flag_Periodic_Call) |
| electronichamsters | 8:46c5e0bfab05 | 715 | { |
| electronichamsters | 12:1049290dd610 | 716 | AdvData[JSON_loc] = 0x2f; // ADV_Data[17] = / |
| electronichamsters | 12:1049290dd610 | 717 | JSON_loc++; //18 |
| electronichamsters | 12:1049290dd610 | 718 | AdvData[JSON_loc] = 0x70; // ADV_Data[18] =p |
| electronichamsters | 12:1049290dd610 | 719 | JSON_loc++; //19 |
| electronichamsters | 12:1049290dd610 | 720 | } |
| electronichamsters | 8:46c5e0bfab05 | 721 | |
| electronichamsters | 12:1049290dd610 | 722 | AdvData[JSON_loc] = 0x22; //ADV_Data[17 or 19] = " |
| electronichamsters | 10:79e8f92ef156 | 723 | JSON_loc++; //20 |
| electronichamsters | 8:46c5e0bfab05 | 724 | |
| electronichamsters | 12:1049290dd610 | 725 | AdvData[JSON_loc] = 0x3a; //ADV_Data[18 or 20] = : |
| electronichamsters | 12:1049290dd610 | 726 | JSON_loc++; //21 |
| electronichamsters | 8:46c5e0bfab05 | 727 | |
| electronichamsters | 12:1049290dd610 | 728 | //convert magnet variable to string, for magnet sensor, this is easy |
| electronichamsters | 12:1049290dd610 | 729 | //since we only have 1 or 0, but this also works for analog values |
| electronichamsters | 12:1049290dd610 | 730 | /* |
| electronichamsters | 8:46c5e0bfab05 | 731 | memset(&buffer[0], 0, sizeof(buffer)); //clear out buffer |
| electronichamsters | 10:79e8f92ef156 | 732 | total_chars = sprintf (buffer, "%d", magnet_near); //returns total number of characters, which is 1 character. |
| electronichamsters | 8:46c5e0bfab05 | 733 | for (int i=0; i < total_chars; i++) |
| electronichamsters | 8:46c5e0bfab05 | 734 | { |
| electronichamsters | 8:46c5e0bfab05 | 735 | AdvData[JSON_loc] = buffer[i]; |
| electronichamsters | 10:79e8f92ef156 | 736 | JSON_loc++; //23 |
| electronichamsters | 8:46c5e0bfab05 | 737 | } //JSON_loc left at location of next character |
| electronichamsters | 12:1049290dd610 | 738 | */ |
| electronichamsters | 8:46c5e0bfab05 | 739 | |
| electronichamsters | 12:1049290dd610 | 740 | //memset(&buffer[0], 0, sizeof(buffer)); //clear out buffer |
| electronichamsters | 12:1049290dd610 | 741 | for (int i=0; i < total_chars_sensor; i++) |
| electronichamsters | 12:1049290dd610 | 742 | { |
| electronichamsters | 12:1049290dd610 | 743 | AdvData[JSON_loc] = sensor_char[i]; |
| electronichamsters | 12:1049290dd610 | 744 | JSON_loc++; |
| electronichamsters | 12:1049290dd610 | 745 | } //JSON_loc left at location of next character |
| electronichamsters | 8:46c5e0bfab05 | 746 | |
| electronichamsters | 12:1049290dd610 | 747 | |
| electronichamsters | 12:1049290dd610 | 748 | //AdvData[JSON_loc] = 0x0; //since AdvData was cleared to start with, we don't need to null term |
| electronichamsters | 8:46c5e0bfab05 | 749 | |
| rgrover1 | 5:f4d74a8cad43 | 750 | ApplicationData_t appData; |
| rgrover1 | 5:f4d74a8cad43 | 751 | setupApplicationData(appData); |
| electronichamsters | 8:46c5e0bfab05 | 752 | |
| electronichamsters | 12:1049290dd610 | 753 | /********************* |
| electronichamsters | 12:1049290dd610 | 754 | * start encrypting last 16 bytes of ADV_Data |
| electronichamsters | 12:1049290dd610 | 755 | *********************/ |
| electronichamsters | 8:46c5e0bfab05 | 756 | for (int i=0; i<16; i++) |
| electronichamsters | 8:46c5e0bfab05 | 757 | { |
| electronichamsters | 10:79e8f92ef156 | 758 | src_buf[i] = AdvData[i+10]; //start of encrypted section is at AdvData[10] |
| electronichamsters | 8:46c5e0bfab05 | 759 | } |
| electronichamsters | 8:46c5e0bfab05 | 760 | nrf_ecb_init(); |
| electronichamsters | 8:46c5e0bfab05 | 761 | nrf_ecb_set_key(key_buf); |
| electronichamsters | 8:46c5e0bfab05 | 762 | bool successful_ecb = nrf_ecb_crypt(des_buf, src_buf); |
| electronichamsters | 12:1049290dd610 | 763 | #if MyDebugEnb |
| electronichamsters | 12:1049290dd610 | 764 | device.printf("success ecb = %d \r\n", successful_ecb); |
| electronichamsters | 12:1049290dd610 | 765 | 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 | 12:1049290dd610 | 766 | 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 | 12:1049290dd610 | 767 | #endif |
| electronichamsters | 12:1049290dd610 | 768 | for (int i=0; i<16; i++) //replace last 16 bytes with encrypted 16 bytes |
| electronichamsters | 8:46c5e0bfab05 | 769 | { |
| electronichamsters | 10:79e8f92ef156 | 770 | AdvData[i+10] = des_buf[i]; |
| electronichamsters | 8:46c5e0bfab05 | 771 | } |
| electronichamsters | 8:46c5e0bfab05 | 772 | |
| electronichamsters | 12:1049290dd610 | 773 | //set payload for advertisement to our custom manufactured data. First 5 bytes is BLE standard, last 26 bytes is our array |
| electronichamsters | 8:46c5e0bfab05 | 774 | //ble.gap().updateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *) &appData, sizeof(ApplicationData_t)); |
| electronichamsters | 8:46c5e0bfab05 | 775 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData)); |
| electronichamsters | 8:46c5e0bfab05 | 776 | |
| electronichamsters | 12:1049290dd610 | 777 | Flag_Update_IO = false; |
| electronichamsters | 12:1049290dd610 | 778 | Flag_Periodic_Call = false; |
| electronichamsters | 8:46c5e0bfab05 | 779 | |
| electronichamsters | 8:46c5e0bfab05 | 780 | ble.gap().startAdvertising(); |
| electronichamsters | 12:1049290dd610 | 781 | Tic_Stop_Adv.attach(stop_adv_Callback, 4); /* trigger turn off advertisement after X seconds */ |
| electronichamsters | 8:46c5e0bfab05 | 782 | |
| electronichamsters | 12:1049290dd610 | 783 | }//end Flag_Update_IO |
| electronichamsters | 8:46c5e0bfab05 | 784 | |
| electronichamsters | 8:46c5e0bfab05 | 785 | |
| electronichamsters | 12:1049290dd610 | 786 | if (Flag_Detach_Adv_Tic == true) //ticker callback flag to stop advertising |
| electronichamsters | 8:46c5e0bfab05 | 787 | { |
| electronichamsters | 8:46c5e0bfab05 | 788 | ble.gap().stopAdvertising(); //may be safer to execute BLE operations in main |
| electronichamsters | 12:1049290dd610 | 789 | Tic_Stop_Adv.detach(); |
| electronichamsters | 12:1049290dd610 | 790 | Flag_Detach_Adv_Tic = false; |
| electronichamsters | 8:46c5e0bfab05 | 791 | } |
| electronichamsters | 12:1049290dd610 | 792 | |
| electronichamsters | 8:46c5e0bfab05 | 793 | |
| electronichamsters | 12:1049290dd610 | 794 | ble.waitForEvent(); //sleeps until interrupt form ticker or I/O |
| electronichamsters | 8:46c5e0bfab05 | 795 | }//end forever while |
| electronichamsters | 8:46c5e0bfab05 | 796 | }//end main |