Eric Tsai / BLE_Sensor_Toy_Puppy

Motion and button application for BLE sensor - using purple LIS3DH nRF51822.

main.cpp@13:3450483129a3, 2018-06-19 (annotated)

Committer:
electronichamsters
Date:
Tue Jun 19 03:39:02 2018 +0000
Revision:
13:3450483129a3
Parent:
12:9bb01e063498 
first revision - new example for stuff animal toy

Who changed what in which revision?

UserRevisionLine numberNew contents of line
electronichamsters 12:9bb01e063498 1 /*
electronichamsters 13:3450483129a3 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 13:3450483129a3 24 *
electronichamsters 13:3450483129a3 25 * LIS3DH on purple board. Random button and motion sensing for modifying toys.
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 13:3450483129a3 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 13:3450483129a3 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 13:3450483129a3 47 #define sensorEnb 1 //get readings
electronichamsters 13:3450483129a3 48 #define buttonEnb 1
electronichamsters 11:4f925834167d 49
electronichamsters 12:9bb01e063498 50 /* hardware interrupt pins, selected based on hardware
electronichamsters 12:9bb01e063498 51 *Syntax: Pin "P0.4" on nRF51822 documentation is mbed "p4".
electronichamsters 12:9bb01e063498 52 * InterruptIn is pulled-up. GND the pin to activate.
electronichamsters 12:9bb01e063498 53 */
electronichamsters 13:3450483129a3 54 #if buttonEnb
electronichamsters 13:3450483129a3 55 InterruptIn button1(p16); //nRF51822
electronichamsters 13:3450483129a3 56 InterruptIn button2(p15); //nRF51822
electronichamsters 13:3450483129a3 57 InterruptIn button3(p12); //nRF51822
electronichamsters 13:3450483129a3 58 InterruptIn button4(p23); //nRF51822
electronichamsters 13:3450483129a3 59 InterruptIn button5(p24); //nRF51822
electronichamsters 13:3450483129a3 60 InterruptIn button6(p25); //nRF51822
electronichamsters 13:3450483129a3 61 InterruptIn button7(p28); //nRF51822
electronichamsters 13:3450483129a3 62 InterruptIn button8(p29); //nRF51822
electronichamsters 13:3450483129a3 63 InterruptIn button9(p30); //nRF51822
electronichamsters 13:3450483129a3 64
electronichamsters 13:3450483129a3 65
electronichamsters 13:3450483129a3 66 #endif
electronichamsters 13:3450483129a3 67
electronichamsters 13:3450483129a3 68 #if sensorEnb
electronichamsters 13:3450483129a3 69 InterruptIn lis3dh_int1(p1); //nRF51822 P0.1
electronichamsters 13:3450483129a3 70 //LIS3DH data(p6, p7, (0x19 << 1)); //for purple board, sda=p6, scl=p7
electronichamsters 13:3450483129a3 71 LIS3DH data(p6, p7, LIS3DH_V_CHIP_ADDR);
electronichamsters 13:3450483129a3 72
electronichamsters 13:3450483129a3 73 //0001 1001 ---> 0011 0010
electronichamsters 13:3450483129a3 74 #endif
electronichamsters 13:3450483129a3 75 bool flag_read_acc;
electronichamsters 13:3450483129a3 76
electronichamsters 13:3450483129a3 77
electronichamsters 13:3450483129a3 78
electronichamsters 13:3450483129a3 79
electronichamsters 13:3450483129a3 80 //purple boards
electronichamsters 13:3450483129a3 81 //InterruptIn button1(p23); //nRF51822 P0.23
electronichamsters 13:3450483129a3 82 //InterruptIn button2(p24); //nRF51822 P0.24
electronichamsters 12:9bb01e063498 83 /******************************************************************************************
electronichamsters 12:9bb01e063498 84 * END tochange
electronichamsters 12:9bb01e063498 85 *******************************************************************************************/
electronichamsters 8:46c5e0bfab05 86
electronichamsters 12:9bb01e063498 87
electronichamsters 8:46c5e0bfab05 88 #if MyDebugEnb
electronichamsters 12:9bb01e063498 89 // if you see ~1mA consumption during sleep, that's because MyDebugEnb==1, it's enabled.
electronichamsters 8:46c5e0bfab05 90 Serial device(p9, p11); //nRF51822 uart : TX=p9. RX=p11
electronichamsters 8:46c5e0bfab05 91 #endif
electronichamsters 8:46c5e0bfab05 92
electronichamsters 12:9bb01e063498 93 static Ticker Tic_Stop_Adv; //used to stop advertising after X seconds
electronichamsters 12:9bb01e063498 94 static Ticker Tic_Debounce; //debounce I/O
electronichamsters 12:9bb01e063498 95 static Ticker Tic_Periodic; //transmit sensor data on a periodic basis outside I/O events
electronichamsters 8:46c5e0bfab05 96
electronichamsters 13:3450483129a3 97
electronichamsters 12:9bb01e063498 98 const uint16_t Periodicity = 1800; //birthday periodicity used for spoof checking, must match gateway. Should be 1800 seconds for 30minutes
electronichamsters 12:9bb01e063498 99 static Timer Tmr_From_Birthday; //holds number of seconds since birthday, for spoof detection
electronichamsters 12:9bb01e063498 100 static Ticker Tic_Birthday; //resets Tmr_From_Birthday every Periodicity seconds, for spoof detection
electronichamsters 12:9bb01e063498 101
electronichamsters 8:46c5e0bfab05 102
electronichamsters 12:9bb01e063498 103 static bool Flag_Update_IO = false; //flag to indicate event is hardware interrupt
electronichamsters 12:9bb01e063498 104 static bool Flag_Periodic_Call = false; //flag to indicate event is periodic callback
electronichamsters 12:9bb01e063498 105 static bool Flag_Detach_Adv_Tic = false; //flag to stop advertising
electronichamsters 12:9bb01e063498 106
electronichamsters 12:9bb01e063498 107 /* Optional: Device Name, add for human read-ability */
electronichamsters 12:9bb01e063498 108 const static char DEVICE_NAME[] = "LOL";
electronichamsters 8:46c5e0bfab05 109
electronichamsters 8:46c5e0bfab05 110
electronichamsters 12:9bb01e063498 111 //Advertisement Data
electronichamsters 12:9bb01e063498 112 //note: AdvData[] holds bytes [5] to byte [30] of entire advertising data. The user content part after ADV flag and header
electronichamsters 12:9bb01e063498 113 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 114 char buffer[10]={0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; //hold I/O reading json
electronichamsters 12:9bb01e063498 115 char bat_volt_char[6] = {0, 0, 0, 0, 0, 0}; //hold json for battery reading
electronichamsters 12:9bb01e063498 116 uint8_t Adv_First_Section[10]; //holds the first several bytes with a pattern indicating this sensor is "one of ours"
electronichamsters 12:9bb01e063498 117 uint8_t mac_reverse[6] = {0x0,0x0,0x0,0x0,0x0,0x0}; //mac address for this module
rgrover1 5:f4d74a8cad43 118
electronichamsters 12:9bb01e063498 119 /***** Advertisement structure is 31 Bytes ****************
electronichamsters 12:9bb01e063498 120
electronichamsters 12:9bb01e063498 121 https://docs.mbed.com/docs/ble-intros/en/latest/Advanced/CustomGAP/
electronichamsters 8:46c5e0bfab05 122
electronichamsters 12:9bb01e063498 123 Full Advertisement:
electronichamsters 12:9bb01e063498 124 First 5 bytes are set by stack according to flag and header parameters.
electronichamsters 12:9bb01e063498 125 Last 26 bytes are user data
electronichamsters 12:9bb01e063498 126 -- tabbed --
electronichamsters 12:9bb01e063498 127 Byte 0 | AD1 Length | 0x02 | AD1 is 2 bytes long
electronichamsters 12:9bb01e063498 128 Byte 1 | AD1 Type | 0x01 | AD1 Data interpreted as flag
electronichamsters 12:9bb01e063498 129 Byte 2 | AD1 Data 0 | 0x06 | AD1 Data flag mean "00000110"
electronichamsters 12:9bb01e063498 130 Byte 3 | AD2 Length | 0x1B | AD2 is 27 bytes (0x1B) long (rest of this data)
electronichamsters 12:9bb01e063498 131 Byte 4 | AD2 Type | 0xFF | 0xFF mean Manufacturer Specific Data
electronichamsters 12:9bb01e063498 132 Byte 5 | AD2 Data 0 | ADV_Data[0] | "our device" flag, MAC[3]
electronichamsters 12:9bb01e063498 133 Byte 6 | AD2 Data 1 | ADV_Data[1] | "out device" flag, MAC[2]
electronichamsters 12:9bb01e063498 134 Byte 7 | AD2 Data 2 | ADV_Data[2] | "out device" flag, MAC[1]
electronichamsters 12:9bb01e063498 135 Byte 8 | AD2 Data 3 | ADV_Data[3] | "out device" flag, MAC[0]
electronichamsters 12:9bb01e063498 136 Byte 9 | AD2 Data 4 | ADV_Data[4] | battery voltage json MSB, ie 3 in 3.14
electronichamsters 12:9bb01e063498 137 Byte 10 | AD2 Data 5 | ADV_Data[5] | battery voltage json
electronichamsters 12:9bb01e063498 138 Byte 11 | AD2 Data 6 | ADV_Data[6] | battery voltage json
electronichamsters 12:9bb01e063498 139 Byte 12 | AD2 Data 7 | ADV_Data[7] | battery voltage json LSB, ie 4 in 3.14
electronichamsters 12:9bb01e063498 140 Byte 13 | AD2 Data 8 | ADV_Data[8] | reserved
electronichamsters 12:9bb01e063498 141 Byte 14 | AD2 Data 9 | ADV_Data[9] | reserved
electronichamsters 12:9bb01e063498 142 Byte 15 | AD2 Data 10 | ADV_Data[10] Encrypted | spoof - clock high byte, range 0 to 1800 seconds
electronichamsters 12:9bb01e063498 143 Byte 16 | AD2 Data 11 | ADV_Data[11] Encrypted | spoof - clock low byte
electronichamsters 12:9bb01e063498 144 Byte 17 | AD2 Data 12 | ADV_Data[12] Encrypted | Xmit_Cnt - increments per transmit event, 0-255
electronichamsters 12:9bb01e063498 145 Byte 18 | AD2 Data 13 | ADV_Data[13] Encrypted | JSON[0]
electronichamsters 12:9bb01e063498 146 Byte 19 | AD2 Data 14 | ADV_Data[14] Encrypted | JSON[1]
electronichamsters 12:9bb01e063498 147 Byte 20 | AD2 Data 15 | ADV_Data[15] Encrypted | JSON[2]
electronichamsters 12:9bb01e063498 148 Byte 21 | AD2 Data 16 | ADV_Data[16] Encrypted | JSON[3]
electronichamsters 12:9bb01e063498 149 Byte 22 | AD2 Data 17 | ADV_Data[17] Encrypted | JSON[4]
electronichamsters 12:9bb01e063498 150 Byte 23 | AD2 Data 18 | ADV_Data[18] Encrypted | JSON[5]
electronichamsters 12:9bb01e063498 151 Byte 24 | AD2 Data 19 | ADV_Data[19] Encrypted | JSON[6]
electronichamsters 12:9bb01e063498 152 Byte 25 | AD2 Data 20 | ADV_Data[20] Encrypted | JSON[7]
electronichamsters 12:9bb01e063498 153 Byte 26 | AD2 Data 21 | ADV_Data[21] Encrypted | JSON[8]
electronichamsters 12:9bb01e063498 154 Byte 27 | AD2 Data 22 | ADV_Data[22] Encrypted | JSON[9]
electronichamsters 12:9bb01e063498 155 Byte 28 | AD2 Data 23 | ADV_Data[23] Encrypted | JSON[10]
electronichamsters 12:9bb01e063498 156 Byte 29 | AD2 Data 24 | ADV_Data[24] Encrypted | JSON[11]
electronichamsters 12:9bb01e063498 157 Byte 30 | AD2 Data 25 | ADV_Data[25] Encrypted | JSON[12]
electronichamsters 8:46c5e0bfab05 158
electronichamsters 12:9bb01e063498 159 ***************************************************/
electronichamsters 8:46c5e0bfab05 160
electronichamsters 8:46c5e0bfab05 161
electronichamsters 8:46c5e0bfab05 162 static uint8_t key[16] = {0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4,0x1,0x2,0x3,0x4};
electronichamsters 8:46c5e0bfab05 163 //26 bytes adv data
electronichamsters 8:46c5e0bfab05 164 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 165 //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 166 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 167 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 168 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 169
electronichamsters 10:79e8f92ef156 170 uint8_t Xmit_Cnt = 1;
electronichamsters 8:46c5e0bfab05 171
electronichamsters 8:46c5e0bfab05 172
electronichamsters 13:3450483129a3 173 //track button press on toy
electronichamsters 13:3450483129a3 174 Timer Tmr_Click_Duration;
electronichamsters 13:3450483129a3 175 uint8_t which_button = 0;
electronichamsters 13:3450483129a3 176 uint16_t button_pressed_ms;
electronichamsters 13:3450483129a3 177 const uint8_t reset_addr = 0x31; //LIS3DH_INT1_SOURCE
electronichamsters 13:3450483129a3 178 static Ticker Tic_Motion; //used to stop re-enabled latched motion interrupt
electronichamsters 8:46c5e0bfab05 179
electronichamsters 8:46c5e0bfab05 180 /* **** NOT USED **** */
electronichamsters 8:46c5e0bfab05 181 //16byte UUID loading happens here
electronichamsters 8:46c5e0bfab05 182 //Look at <GapAdvertisingData.h> for rest of definition
sunsmile2015 4:e5fa4c8838db 183 struct ApplicationData_t {
electronichamsters 8:46c5e0bfab05 184 //Byte 0: AppID High Byte
electronichamsters 8:46c5e0bfab05 185 //Byte 1: AppID Low Byte
electronichamsters 8:46c5e0bfab05 186 //Byte 2: sensor High Word
electronichamsters 8:46c5e0bfab05 187 //Byte 3:
electronichamsters 8:46c5e0bfab05 188 //Byte 4:
electronichamsters 8:46c5e0bfab05 189 //Byte 5: sensor Low Byte
electronichamsters 8:46c5e0bfab05 190
electronichamsters 8:46c5e0bfab05 191
electronichamsters 8:46c5e0bfab05 192 //app ID is 16 bit, (0xFEFE)
electronichamsters 8:46c5e0bfab05 193 uint16_t applicationSpecificId; /* An ID used to identify temperature value in the manufacture specific AD data field */
electronichamsters 8:46c5e0bfab05 194
electronichamsters 8:46c5e0bfab05 195 TMP_nrf51::TempSensorValue_t tmpSensorValue; /* this is a float (32-bit), user data */
rgrover1 5:f4d74a8cad43 196 } PACKED;
sunsmile2015 0:3dc6e424dba0 197
electronichamsters 8:46c5e0bfab05 198
electronichamsters 13:3450483129a3 199 //called on tic
electronichamsters 13:3450483129a3 200 void motion_response(void)
electronichamsters 13:3450483129a3 201 {
electronichamsters 13:3450483129a3 202 Tic_Motion.detach();
electronichamsters 13:3450483129a3 203 #if sensorEnb
electronichamsters 13:3450483129a3 204
electronichamsters 13:3450483129a3 205 data.read_reg(reset_addr); //reset's the latched interrupt
electronichamsters 13:3450483129a3 206 #endif
electronichamsters 13:3450483129a3 207
electronichamsters 13:3450483129a3 208 }
electronichamsters 13:3450483129a3 209
electronichamsters 13:3450483129a3 210 //called on interrupt
electronichamsters 13:3450483129a3 211 void motion_Callback(void)
electronichamsters 13:3450483129a3 212 {
electronichamsters 13:3450483129a3 213
electronichamsters 13:3450483129a3 214 #if MyDebugEnb
electronichamsters 13:3450483129a3 215 device.printf("motion seen \r\n");
electronichamsters 13:3450483129a3 216 #endif
electronichamsters 13:3450483129a3 217 Tic_Motion.attach(motion_response, 30); //every x seconds, re-enable motion interrupt
electronichamsters 13:3450483129a3 218 if (which_button == 0) //there's a chance motion would over-riding button press event. avoid this.
electronichamsters 13:3450483129a3 219 {
electronichamsters 13:3450483129a3 220 which_button = 11;
electronichamsters 13:3450483129a3 221 Flag_Update_IO = 1;
electronichamsters 13:3450483129a3 222 }
electronichamsters 13:3450483129a3 223
electronichamsters 13:3450483129a3 224 }
electronichamsters 13:3450483129a3 225
electronichamsters 13:3450483129a3 226
electronichamsters 8:46c5e0bfab05 227
electronichamsters 8:46c5e0bfab05 228 void debounce_Callback(void)
electronichamsters 8:46c5e0bfab05 229 {
electronichamsters 13:3450483129a3 230 //stop timer, save time
electronichamsters 13:3450483129a3 231 Tmr_Click_Duration.stop();
electronichamsters 13:3450483129a3 232 button_pressed_ms =(uint16_t)(Tmr_Click_Duration.read_ms());
electronichamsters 13:3450483129a3 233 #if MyDebugEnb
electronichamsters 13:3450483129a3 234 device.printf("sending BLE for button %d \r\n", which_button);
electronichamsters 13:3450483129a3 235 #endif
electronichamsters 13:3450483129a3 236
electronichamsters 13:3450483129a3 237
electronichamsters 12:9bb01e063498 238 Tic_Debounce.detach();
electronichamsters 12:9bb01e063498 239 Flag_Update_IO = true; //start advertising
electronichamsters 8:46c5e0bfab05 240 /* Note that the buttonPressedCallback() executes in interrupt context, so it is safer to access
electronichamsters 8:46c5e0bfab05 241 * BLE device API from the main thread. */
electronichamsters 12:9bb01e063498 242
electronichamsters 8:46c5e0bfab05 243 }
electronichamsters 8:46c5e0bfab05 244
electronichamsters 12:9bb01e063498 245 //ISR for I/O interrupt
electronichamsters 8:46c5e0bfab05 246 void buttonPressedCallback(void)
sunsmile2015 2:b935358da5ba 247 {
electronichamsters 13:3450483129a3 248 //wait_ms(2); //debounce
electronichamsters 13:3450483129a3 249 //read I/O, mark which button was pressed
electronichamsters 13:3450483129a3 250
electronichamsters 13:3450483129a3 251
electronichamsters 13:3450483129a3 252 #if buttonEnb
electronichamsters 13:3450483129a3 253
electronichamsters 13:3450483129a3 254
electronichamsters 13:3450483129a3 255 if (button1.read() == 0) //buttons are pulled up, gnd when pressed
electronichamsters 13:3450483129a3 256 {
electronichamsters 13:3450483129a3 257 which_button = 1;
electronichamsters 13:3450483129a3 258 #if MyDebugEnb
electronichamsters 13:3450483129a3 259 device.printf("is 1 button \r\n");
electronichamsters 13:3450483129a3 260 #endif
electronichamsters 13:3450483129a3 261 }
electronichamsters 13:3450483129a3 262 else if (button2.read() == 0)
electronichamsters 13:3450483129a3 263 {
electronichamsters 13:3450483129a3 264 which_button = 2;
electronichamsters 13:3450483129a3 265 #if MyDebugEnb
electronichamsters 13:3450483129a3 266 device.printf("is 2 button \r\n");
electronichamsters 13:3450483129a3 267 #endif
electronichamsters 13:3450483129a3 268 }
electronichamsters 13:3450483129a3 269 else if (button3.read() == 0)
electronichamsters 13:3450483129a3 270 {
electronichamsters 13:3450483129a3 271 which_button = 3;
electronichamsters 13:3450483129a3 272 #if MyDebugEnb
electronichamsters 13:3450483129a3 273 device.printf("is 3 button \r\n");
electronichamsters 13:3450483129a3 274 #endif
electronichamsters 13:3450483129a3 275 }
electronichamsters 13:3450483129a3 276 if (button4.read() == 0) //buttons are pulled up, gnd when pressed
electronichamsters 13:3450483129a3 277 {
electronichamsters 13:3450483129a3 278 which_button = 4;
electronichamsters 13:3450483129a3 279 #if MyDebugEnb
electronichamsters 13:3450483129a3 280 device.printf("is 4 button \r\n");
electronichamsters 13:3450483129a3 281 #endif
electronichamsters 13:3450483129a3 282 }
electronichamsters 13:3450483129a3 283 else if (button5.read() == 0)
electronichamsters 13:3450483129a3 284 {
electronichamsters 13:3450483129a3 285 which_button = 5;
electronichamsters 13:3450483129a3 286 #if MyDebugEnb
electronichamsters 13:3450483129a3 287 device.printf("is 5 button \r\n");
electronichamsters 13:3450483129a3 288 #endif
electronichamsters 13:3450483129a3 289 }
electronichamsters 13:3450483129a3 290 else if (button6.read() == 0)
electronichamsters 13:3450483129a3 291 {
electronichamsters 13:3450483129a3 292 which_button = 6;
electronichamsters 13:3450483129a3 293 #if MyDebugEnb
electronichamsters 13:3450483129a3 294 device.printf("is 6 button \r\n");
electronichamsters 13:3450483129a3 295 #endif
electronichamsters 13:3450483129a3 296 }
electronichamsters 13:3450483129a3 297 if (button7.read() == 0) //buttons are pulled up, gnd when pressed
electronichamsters 13:3450483129a3 298 {
electronichamsters 13:3450483129a3 299 which_button = 7;
electronichamsters 13:3450483129a3 300 #if MyDebugEnb
electronichamsters 13:3450483129a3 301 device.printf("is 7 button \r\n");
electronichamsters 13:3450483129a3 302 #endif
electronichamsters 13:3450483129a3 303 }
electronichamsters 13:3450483129a3 304 else if (button8.read() == 0)
electronichamsters 13:3450483129a3 305 {
electronichamsters 13:3450483129a3 306 which_button = 8;
electronichamsters 13:3450483129a3 307 #if MyDebugEnb
electronichamsters 13:3450483129a3 308 device.printf("is 8 button \r\n");
electronichamsters 13:3450483129a3 309 #endif
electronichamsters 13:3450483129a3 310 }
electronichamsters 13:3450483129a3 311 else if (button9.read() == 0)
electronichamsters 13:3450483129a3 312 {
electronichamsters 13:3450483129a3 313 which_button = 9;
electronichamsters 13:3450483129a3 314 #if MyDebugEnb
electronichamsters 13:3450483129a3 315 device.printf("is 9 button \r\n");
electronichamsters 13:3450483129a3 316 #endif
electronichamsters 13:3450483129a3 317 }
electronichamsters 13:3450483129a3 318 else
electronichamsters 13:3450483129a3 319 {
electronichamsters 13:3450483129a3 320 }
electronichamsters 13:3450483129a3 321 #endif
electronichamsters 13:3450483129a3 322
electronichamsters 13:3450483129a3 323
electronichamsters 13:3450483129a3 324
electronichamsters 13:3450483129a3 325 #if MyDebugEnb
electronichamsters 13:3450483129a3 326 device.printf("interrupt button= %d \r\n", which_button);
electronichamsters 13:3450483129a3 327 #endif
electronichamsters 13:3450483129a3 328 //reset and start timer
electronichamsters 13:3450483129a3 329 Tmr_Click_Duration.reset();
electronichamsters 13:3450483129a3 330 Tmr_Click_Duration.start();
electronichamsters 13:3450483129a3 331
electronichamsters 8:46c5e0bfab05 332 }
rgrover1 5:f4d74a8cad43 333
electronichamsters 12:9bb01e063498 334 //ISR for I/O interrupt
electronichamsters 8:46c5e0bfab05 335 void buttonReleasedCallback(void)
electronichamsters 8:46c5e0bfab05 336 {
electronichamsters 13:3450483129a3 337
electronichamsters 13:3450483129a3 338 Tic_Debounce.attach(debounce_Callback, 0.3);
electronichamsters 8:46c5e0bfab05 339 }
electronichamsters 8:46c5e0bfab05 340
electronichamsters 8:46c5e0bfab05 341
electronichamsters 8:46c5e0bfab05 342 void stop_adv_Callback(void)
electronichamsters 8:46c5e0bfab05 343 {
electronichamsters 8:46c5e0bfab05 344 //stops advertising after X seconds
electronichamsters 8:46c5e0bfab05 345 /* Note that the Callback() executes in interrupt context, so it is safer to do
rgrover1 5:f4d74a8cad43 346 * heavy-weight sensor polling from the main thread (where we should be able to block safely, if needed). */
electronichamsters 12:9bb01e063498 347 Flag_Detach_Adv_Tic = true;
electronichamsters 12:9bb01e063498 348
electronichamsters 12:9bb01e063498 349 }
electronichamsters 8:46c5e0bfab05 350
electronichamsters 12:9bb01e063498 351 /* ****************************************
electronichamsters 12:9bb01e063498 352 * Decides what actions need to be performed on periodic basis
electronichamsters 12:9bb01e063498 353 *******************************************/
electronichamsters 12:9bb01e063498 354 void periodic_Callback(void)
electronichamsters 12:9bb01e063498 355 {
electronichamsters 12:9bb01e063498 356 Flag_Update_IO = true;
electronichamsters 12:9bb01e063498 357 Flag_Periodic_Call = true;
electronichamsters 13:3450483129a3 358 which_button = 12; //no real button presses, just arbitrarly pick 12 to represent this.
electronichamsters 8:46c5e0bfab05 359 }
electronichamsters 8:46c5e0bfab05 360
electronichamsters 8:46c5e0bfab05 361
electronichamsters 12:9bb01e063498 362 /* ****************************************
electronichamsters 12:9bb01e063498 363 * No RTC available, tickers only have a 35 minute range.
electronichamsters 12:9bb01e063498 364 * So periodicity for spoof avoidance is set to 30 minutes
electronichamsters 12:9bb01e063498 365 *******************************************/
electronichamsters 10:79e8f92ef156 366 void clock_reset_Callback(void)
electronichamsters 10:79e8f92ef156 367 {
electronichamsters 10:79e8f92ef156 368 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 369 device.printf("===== reset timer =====");
electronichamsters 10:79e8f92ef156 370 device.printf("\r\n");
electronichamsters 10:79e8f92ef156 371 #endif
electronichamsters 12:9bb01e063498 372 Tmr_From_Birthday.reset();
electronichamsters 10:79e8f92ef156 373 };
electronichamsters 10:79e8f92ef156 374
electronichamsters 12:9bb01e063498 375
rgrover1 5:f4d74a8cad43 376 void setupApplicationData(ApplicationData_t &appData)
sunsmile2015 4:e5fa4c8838db 377 {
electronichamsters 8:46c5e0bfab05 378 // two byte ID: 0xFEFE
electronichamsters 8:46c5e0bfab05 379 static const uint16_t APP_SPECIFIC_ID_TEST = 0xFEFE; //2 byte application ID
andresag 7:0a8bbb6dea16 380
sunsmile2015 4:e5fa4c8838db 381 appData.applicationSpecificId = APP_SPECIFIC_ID_TEST;
sunsmile2015 0:3dc6e424dba0 382 }
sunsmile2015 0:3dc6e424dba0 383
electronichamsters 8:46c5e0bfab05 384
electronichamsters 8:46c5e0bfab05 385
andresag 7:0a8bbb6dea16 386 /**
andresag 7:0a8bbb6dea16 387 * This function is called when the ble initialization process has failled
andresag 7:0a8bbb6dea16 388 */
andresag 7:0a8bbb6dea16 389 void onBleInitError(BLE &ble, ble_error_t error)
andresag 7:0a8bbb6dea16 390 {
andresag 7:0a8bbb6dea16 391 /* Initialization error handling should go here */
andresag 7:0a8bbb6dea16 392 }
andresag 7:0a8bbb6dea16 393
electronichamsters 12:9bb01e063498 394
electronichamsters 12:9bb01e063498 395
andresag 7:0a8bbb6dea16 396 /**
andresag 7:0a8bbb6dea16 397 * Callback triggered when the ble initialization process has finished
andresag 7:0a8bbb6dea16 398 */
andresag 7:0a8bbb6dea16 399 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
sunsmile2015 2:b935358da5ba 400 {
andresag 7:0a8bbb6dea16 401 BLE& ble = params->ble;
andresag 7:0a8bbb6dea16 402 ble_error_t error = params->error;
andresag 7:0a8bbb6dea16 403
andresag 7:0a8bbb6dea16 404 if (error != BLE_ERROR_NONE) {
andresag 7:0a8bbb6dea16 405 /* In case of error, forward the error handling to onBleInitError */
andresag 7:0a8bbb6dea16 406 onBleInitError(ble, error);
andresag 7:0a8bbb6dea16 407 return;
andresag 7:0a8bbb6dea16 408 }
andresag 7:0a8bbb6dea16 409
andresag 7:0a8bbb6dea16 410 /* Ensure that it is the default instance of BLE */
andresag 7:0a8bbb6dea16 411 if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
andresag 7:0a8bbb6dea16 412 return;
andresag 7:0a8bbb6dea16 413 }
electronichamsters 8:46c5e0bfab05 414
electronichamsters 8:46c5e0bfab05 415 /* Set device name characteristic data */
electronichamsters 8:46c5e0bfab05 416 ble.gap().setDeviceName((const uint8_t *) DEVICE_NAME);
andresag 7:0a8bbb6dea16 417
rgrover1 5:f4d74a8cad43 418 /* Setup advertising payload */
electronichamsters 8:46c5e0bfab05 419 //set modes "no EDR", "discoverable" for beacon type advertisements
rgrover1 5:f4d74a8cad43 420 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
electronichamsters 8:46c5e0bfab05 421
electronichamsters 11:4f925834167d 422
electronichamsters 8:46c5e0bfab05 423 //from GAP example
electronichamsters 8:46c5e0bfab05 424 /* Sacrifice 2B of 31B to AdvType overhead, rest goes to AdvData array you define */
electronichamsters 8:46c5e0bfab05 425 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData));
electronichamsters 8:46c5e0bfab05 426
electronichamsters 8:46c5e0bfab05 427 /* Setup advertising parameters: not connectable */
electronichamsters 8:46c5e0bfab05 428 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
electronichamsters 12:9bb01e063498 429 ble.gap().setAdvertisingInterval(900); //one advertisment every 300ms. Self tickers, so you don't have to worry.
electronichamsters 8:46c5e0bfab05 430
electronichamsters 12:9bb01e063498 431 }
electronichamsters 8:46c5e0bfab05 432
electronichamsters 8:46c5e0bfab05 433
electronichamsters 11:4f925834167d 434 //not needed anymore
electronichamsters 8:46c5e0bfab05 435 void my_analogin_init(void)
electronichamsters 8:46c5e0bfab05 436 {
electronichamsters 10:79e8f92ef156 437
electronichamsters 8:46c5e0bfab05 438 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 8:46c5e0bfab05 439 (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 440 //(ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 8:46c5e0bfab05 441 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 8:46c5e0bfab05 442 (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 443 //(ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 8:46c5e0bfab05 444 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 445 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 8:46c5e0bfab05 446 }
sunsmile2015 2:b935358da5ba 447
electronichamsters 12:9bb01e063498 448
electronichamsters 12:9bb01e063498 449 /* ****************************************
electronichamsters 12:9bb01e063498 450 * Read battery voltage using bandgap reference
electronichamsters 12:9bb01e063498 451 * shunt Vdd to ADC, thanks to Marcelo Salazar's notes here:
electronichamsters 12:9bb01e063498 452 * https://developer.mbed.org/users/MarceloSalazar/notebook/measuring-battery-voltage-with-nordic-nrf51x/
electronichamsters 12:9bb01e063498 453 *******************************************/
electronichamsters 12:9bb01e063498 454 uint16_t read_bat_volt(void)
electronichamsters 8:46c5e0bfab05 455 {
electronichamsters 10:79e8f92ef156 456 //10 bit resolution, route Vdd as analog input, set ADC ref to VBG band gap
electronichamsters 10:79e8f92ef156 457 //disable analog pin select "PSEL" because we're using Vdd as analog input
electronichamsters 10:79e8f92ef156 458 //no external voltage reference
electronichamsters 10:79e8f92ef156 459 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 10:79e8f92ef156 460 (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 461 //(ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 462 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 10:79e8f92ef156 463 (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 464 //(ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 465 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 466
electronichamsters 10:79e8f92ef156 467 //NRF_ADC->CONFIG &= ~ADC_CONFIG_PSEL_Msk;
electronichamsters 10:79e8f92ef156 468 //NRF_ADC->CONFIG |= ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos;
electronichamsters 10:79e8f92ef156 469 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 10:79e8f92ef156 470 NRF_ADC->TASKS_START = 1;
electronichamsters 10:79e8f92ef156 471
electronichamsters 10:79e8f92ef156 472
electronichamsters 10:79e8f92ef156 473 //while loop doesn't actually loop until reading comlete, use a wait.
electronichamsters 10:79e8f92ef156 474 while (((NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) >> ADC_BUSY_BUSY_Pos) == ADC_BUSY_BUSY_Busy) {};
electronichamsters 13:3450483129a3 475 wait_ms(2);
electronichamsters 10:79e8f92ef156 476
electronichamsters 10:79e8f92ef156 477 //save off RESULT before disabling.
electronichamsters 10:79e8f92ef156 478 //uint16_t myresult = (uint16_t)NRF_ADC->RESULT;
electronichamsters 10:79e8f92ef156 479
electronichamsters 10:79e8f92ef156 480 //disable ADC to lower bat consumption
electronichamsters 13:3450483129a3 481 //NRF_ADC->TASKS_STOP = 1; //perform disable in main loop
electronichamsters 10:79e8f92ef156 482 //NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 10:79e8f92ef156 483
electronichamsters 10:79e8f92ef156 484 return (uint16_t)NRF_ADC->RESULT; // 10 bit
electronichamsters 10:79e8f92ef156 485 //return myresult;
electronichamsters 12:9bb01e063498 486 } //end read_bat_volt
electronichamsters 12:9bb01e063498 487
electronichamsters 12:9bb01e063498 488
electronichamsters 10:79e8f92ef156 489
electronichamsters 12:9bb01e063498 490 /* ****************************************
electronichamsters 12:9bb01e063498 491 * Read battery voltage using bandgap reference
electronichamsters 12:9bb01e063498 492 * shunt analog pin to ADC, from API here
electronichamsters 12:9bb01e063498 493 * https://developer.mbed.org/users/mbed_official/code/mbed-src/file/cb4253f91ada/targets/hal/TARGET_NORDIC/TARGET_NRF51822/analogin_api.c
electronichamsters 12:9bb01e063498 494 *******************************************/
electronichamsters 12:9bb01e063498 495 uint16_t read_ADC_pin(void)
electronichamsters 10:79e8f92ef156 496 {
electronichamsters 10:79e8f92ef156 497
electronichamsters 10:79e8f92ef156 498 //10 bit resolution, route PSEL pin as 1/3 input sel,
electronichamsters 10:79e8f92ef156 499 //set ADC ref to VBG band gap
electronichamsters 10:79e8f92ef156 500 //set AnalogInput4 as input pin (this is P0.03)
electronichamsters 10:79e8f92ef156 501 //no external voltage reference
electronichamsters 10:79e8f92ef156 502 NRF_ADC->CONFIG = (ADC_CONFIG_RES_10bit << ADC_CONFIG_RES_Pos) |
electronichamsters 10:79e8f92ef156 503 //(ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 504 (ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
electronichamsters 10:79e8f92ef156 505 (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
electronichamsters 10:79e8f92ef156 506 //ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 507 (ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos) |
electronichamsters 10:79e8f92ef156 508 (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos);
electronichamsters 10:79e8f92ef156 509 //set pin select to AnalogInput4 = pin 7 = p0.03 = AIN4
electronichamsters 10:79e8f92ef156 510 //NRF_ADC->CONFIG &= ~ADC_CONFIG_PSEL_Msk;
electronichamsters 10:79e8f92ef156 511 //NRF_ADC->CONFIG |= ADC_CONFIG_PSEL_AnalogInput4 << ADC_CONFIG_PSEL_Pos;
electronichamsters 10:79e8f92ef156 512 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled;
electronichamsters 8:46c5e0bfab05 513 NRF_ADC->TASKS_START = 1;
electronichamsters 8:46c5e0bfab05 514
electronichamsters 8:46c5e0bfab05 515
electronichamsters 8:46c5e0bfab05 516 //while loop doesn't actually loop until reading comlete, use a wait.
electronichamsters 8:46c5e0bfab05 517 while (((NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) >> ADC_BUSY_BUSY_Pos) == ADC_BUSY_BUSY_Busy) {};
electronichamsters 13:3450483129a3 518 wait_ms(2); //needed because busy while loop doesn't run.
electronichamsters 8:46c5e0bfab05 519
electronichamsters 8:46c5e0bfab05 520 //save off RESULT before disabling.
electronichamsters 8:46c5e0bfab05 521 //uint16_t myresult = (uint16_t)NRF_ADC->RESULT;
electronichamsters 8:46c5e0bfab05 522
electronichamsters 8:46c5e0bfab05 523 //disable ADC to lower bat consumption
electronichamsters 8:46c5e0bfab05 524 //NRF_ADC->TASKS_STOP = 1;
electronichamsters 8:46c5e0bfab05 525 //NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 8:46c5e0bfab05 526
electronichamsters 8:46c5e0bfab05 527 return (uint16_t)NRF_ADC->RESULT; // 10 bit
electronichamsters 8:46c5e0bfab05 528 //return myresult;
electronichamsters 12:9bb01e063498 529 } //end read_ADC_pin
sunsmile2015 4:e5fa4c8838db 530
electronichamsters 10:79e8f92ef156 531
electronichamsters 12:9bb01e063498 532 /* ****************************************
electronichamsters 12:9bb01e063498 533 * Pattern scheme indicating "one of ours"
electronichamsters 12:9bb01e063498 534 * generate first part of ADV data so that observer can recognize it as "one of ours".
electronichamsters 12:9bb01e063498 535 * use specific schema to decide how we're recognizing our sensor ADV
electronichamsters 12:9bb01e063498 536 *******************************************/
electronichamsters 10:79e8f92ef156 537 void hash_first_section(uint8_t * dest, const uint8_t * mac_addr, const char * bat_volt_str)
electronichamsters 10:79e8f92ef156 538 {
electronichamsters 10:79e8f92ef156 539 dest[0] = mac_addr[3];
electronichamsters 10:79e8f92ef156 540 dest[1] = mac_addr[2];
electronichamsters 10:79e8f92ef156 541 dest[2] = mac_addr[1];
electronichamsters 10:79e8f92ef156 542 dest[3] = mac_addr[0];
electronichamsters 10:79e8f92ef156 543 dest[4] = bat_volt_str[0];
electronichamsters 10:79e8f92ef156 544 dest[5] = bat_volt_str[1];
electronichamsters 10:79e8f92ef156 545 dest[6] = bat_volt_str[2];
electronichamsters 10:79e8f92ef156 546 dest[7] = bat_volt_str[3];
electronichamsters 10:79e8f92ef156 547 dest[8] = 0x10;
electronichamsters 10:79e8f92ef156 548 dest[9] = 0x11;
electronichamsters 12:9bb01e063498 549 #if MyDebugEnb
electronichamsters 12:9bb01e063498 550
electronichamsters 12:9bb01e063498 551 device.printf("hash array: ");
electronichamsters 12:9bb01e063498 552 for (int i=0; i<10; i++)
electronichamsters 12:9bb01e063498 553 {
electronichamsters 12:9bb01e063498 554 device.printf("%x ", dest[i]);
electronichamsters 12:9bb01e063498 555 }
electronichamsters 12:9bb01e063498 556 device.printf("\r\n");
electronichamsters 12:9bb01e063498 557 #endif
electronichamsters 10:79e8f92ef156 558 }
electronichamsters 10:79e8f92ef156 559
electronichamsters 10:79e8f92ef156 560
electronichamsters 13:3450483129a3 561
electronichamsters 13:3450483129a3 562
electronichamsters 13:3450483129a3 563
electronichamsters 12:9bb01e063498 564 /* ****************************************
electronichamsters 12:9bb01e063498 565 *
electronichamsters 12:9bb01e063498 566 * Main Loop
electronichamsters 12:9bb01e063498 567 *
electronichamsters 12:9bb01e063498 568 *******************************************/
sunsmile2015 2:b935358da5ba 569 int main(void)
sunsmile2015 2:b935358da5ba 570 {
electronichamsters 8:46c5e0bfab05 571
electronichamsters 12:9bb01e063498 572 #if MyDebugEnb
electronichamsters 12:9bb01e063498 573 device.baud(9600);
electronichamsters 12:9bb01e063498 574 device.printf("started sensor node 36 ");
electronichamsters 12:9bb01e063498 575 device.printf("\r\n");
electronichamsters 12:9bb01e063498 576 #endif
electronichamsters 8:46c5e0bfab05 577
electronichamsters 8:46c5e0bfab05 578
electronichamsters 12:9bb01e063498 579 Tmr_From_Birthday.start(); //tracks # sec since birthday
electronichamsters 8:46c5e0bfab05 580
sunsmile2015 0:3dc6e424dba0 581
andresag 7:0a8bbb6dea16 582 BLE &ble = BLE::Instance();
andresag 7:0a8bbb6dea16 583 ble.init(bleInitComplete);
electronichamsters 8:46c5e0bfab05 584
electronichamsters 8:46c5e0bfab05 585 float bat_reading; //hold battery voltage reading (Vbg/Vcc)
electronichamsters 8:46c5e0bfab05 586
electronichamsters 8:46c5e0bfab05 587 my_analogin_init();//routes band-gap to analog input
andresag 7:0a8bbb6dea16 588
andresag 7:0a8bbb6dea16 589 /* SpinWait for initialization to complete. This is necessary because the
andresag 7:0a8bbb6dea16 590 * BLE object is used in the main loop below. */
electronichamsters 8:46c5e0bfab05 591 while (ble.hasInitialized() == false) { /* spin loop */ }
electronichamsters 8:46c5e0bfab05 592
electronichamsters 8:46c5e0bfab05 593 //every X seconds, sends period update, up to 1800 (30 minutes)
electronichamsters 12:9bb01e063498 594 Tic_Periodic.attach(periodic_Callback, Periodic_Update_Seconds); //send updated I/O every x seconds
electronichamsters 12:9bb01e063498 595 Tic_Birthday.attach(clock_reset_Callback, Periodicity); //clock algorithm periodicity
rgrover1 5:f4d74a8cad43 596
electronichamsters 10:79e8f92ef156 597
electronichamsters 12:9bb01e063498 598 ble.getAddress(0,mac_reverse); //last byte of MAC (as shown on phone app) is at mac[0], not mac[6];
electronichamsters 12:9bb01e063498 599 #if MyDebugEnb
electronichamsters 12:9bb01e063498 600 device.printf("mac = ");
electronichamsters 12:9bb01e063498 601 for (int i=0; i<6; i++) //prints out MAC address in reverse order; opps.
electronichamsters 12:9bb01e063498 602 {
electronichamsters 12:9bb01e063498 603 device.printf("%x:", mac_reverse[i]);
electronichamsters 12:9bb01e063498 604 }
electronichamsters 12:9bb01e063498 605 device.printf("\r\n");
electronichamsters 12:9bb01e063498 606 #endif
electronichamsters 13:3450483129a3 607
electronichamsters 13:3450483129a3 608 //set motion sensor
electronichamsters 13:3450483129a3 609
electronichamsters 13:3450483129a3 610 #if sensorEnb
electronichamsters 13:3450483129a3 611 data.setAct(LIS3DH_V_CHIP_ADDR);
electronichamsters 13:3450483129a3 612 #endif
electronichamsters 13:3450483129a3 613 //for puppet, go ahead and pull up all the time.
electronichamsters 13:3450483129a3 614
electronichamsters 13:3450483129a3 615 #if buttonEnb
electronichamsters 13:3450483129a3 616
electronichamsters 13:3450483129a3 617 button1.mode(PullUp);
electronichamsters 13:3450483129a3 618 button2.mode(PullUp);
electronichamsters 13:3450483129a3 619 button3.mode(PullUp);
electronichamsters 13:3450483129a3 620 button4.mode(PullUp);
electronichamsters 13:3450483129a3 621 button5.mode(PullUp);
electronichamsters 13:3450483129a3 622 button6.mode(PullUp);
electronichamsters 13:3450483129a3 623 button7.mode(PullUp);
electronichamsters 13:3450483129a3 624 button8.mode(PullUp);
electronichamsters 13:3450483129a3 625 button9.mode(PullUp);
electronichamsters 13:3450483129a3 626 #endif
electronichamsters 13:3450483129a3 627
electronichamsters 13:3450483129a3 628 #if sensorEnb
electronichamsters 13:3450483129a3 629 lis3dh_int1.mode(PullNone); //if pulled up, will consume 200uA. LIS3DH has pull up enabled.
electronichamsters 13:3450483129a3 630 #endif
electronichamsters 13:3450483129a3 631
electronichamsters 13:3450483129a3 632 #if buttonEnb
electronichamsters 13:3450483129a3 633 button1.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:3450483129a3 634 button2.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:3450483129a3 635 button3.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:3450483129a3 636 button4.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:3450483129a3 637 button5.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:3450483129a3 638 button6.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:3450483129a3 639 button7.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:3450483129a3 640 button8.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:3450483129a3 641 button9.fall(buttonPressedCallback); //enable interrupt
electronichamsters 13:3450483129a3 642 button1.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:3450483129a3 643 button2.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:3450483129a3 644 button3.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:3450483129a3 645 button4.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:3450483129a3 646 button5.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:3450483129a3 647 button6.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:3450483129a3 648 button7.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:3450483129a3 649 button8.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:3450483129a3 650 button9.rise(buttonReleasedCallback); //enable interrupt
electronichamsters 13:3450483129a3 651 #endif
electronichamsters 13:3450483129a3 652 #if sensorEnb
electronichamsters 13:3450483129a3 653 lis3dh_int1.rise(motion_Callback); //enable interrupt
electronichamsters 13:3450483129a3 654 #endif
electronichamsters 13:3450483129a3 655
electronichamsters 12:9bb01e063498 656 while (true)
electronichamsters 12:9bb01e063498 657 { //Main Loop
electronichamsters 12:9bb01e063498 658
electronichamsters 12:9bb01e063498 659 uint16_t seconds_Old =(uint16_t)(Tmr_From_Birthday.read_ms()/1000); // 0-1800 seconds (30 minutes)
electronichamsters 12:9bb01e063498 660
electronichamsters 12:9bb01e063498 661 #if MyDebugEnb
electronichamsters 12:9bb01e063498 662 device.printf("current time in seconds: %d \r\n", seconds_Old);
electronichamsters 12:9bb01e063498 663 #endif
electronichamsters 12:9bb01e063498 664
electronichamsters 13:3450483129a3 665
electronichamsters 8:46c5e0bfab05 666
electronichamsters 8:46c5e0bfab05 667 //expect either button1 or button2 is grounded, b/c using SPDT reed switch
electronichamsters 8:46c5e0bfab05 668 //the "common" pin on the reed switch should be on GND
electronichamsters 13:3450483129a3 669 //uint8_t button1_state = button1.read();
electronichamsters 13:3450483129a3 670 //uint8_t button2_state = button2.read();
electronichamsters 13:3450483129a3 671 //uint8_t button3_state = button3.read();
electronichamsters 8:46c5e0bfab05 672
electronichamsters 8:46c5e0bfab05 673
electronichamsters 13:3450483129a3 674
electronichamsters 13:3450483129a3 675
electronichamsters 13:3450483129a3 676
electronichamsters 12:9bb01e063498 677 if (Flag_Update_IO) {
andresag 7:0a8bbb6dea16 678 /* Do blocking calls or whatever hardware-specific action is
andresag 7:0a8bbb6dea16 679 * necessary to poll the sensor. */
electronichamsters 8:46c5e0bfab05 680
electronichamsters 12:9bb01e063498 681 //call attach again on periodic update to reset ticker
electronichamsters 12:9bb01e063498 682 //next periodic updates happens Perioidc_Update_Seconds after I/O events
electronichamsters 12:9bb01e063498 683 Tic_Periodic.attach(periodic_Callback, Periodic_Update_Seconds);
electronichamsters 10:79e8f92ef156 684 Xmit_Cnt++; //increment transmit counter when updating I/O
electronichamsters 10:79e8f92ef156 685
electronichamsters 10:79e8f92ef156 686
electronichamsters 12:9bb01e063498 687 //read and convert battery voltage
electronichamsters 12:9bb01e063498 688 bat_reading = (float)read_bat_volt();
electronichamsters 8:46c5e0bfab05 689 bat_reading = (bat_reading * 3.6) / 1024.0;
electronichamsters 12:9bb01e063498 690 #if MyDebugEnb
electronichamsters 8:46c5e0bfab05 691 device.printf("bat reading: %f \r\n", bat_reading);
electronichamsters 12:9bb01e063498 692 #endif
electronichamsters 12:9bb01e063498 693 //write battery voltage
electronichamsters 12:9bb01e063498 694 uint8_t total_chars;
electronichamsters 12:9bb01e063498 695 memset(&bat_volt_char[0], 0, sizeof(bat_volt_char)); //clear out buffer
electronichamsters 12:9bb01e063498 696 //convert battery voltage float value to string reprsentation to 2 decimal places, and save the size of string.
electronichamsters 12:9bb01e063498 697 total_chars = sprintf (bat_volt_char, "%.2f", bat_reading);
electronichamsters 8:46c5e0bfab05 698
electronichamsters 12:9bb01e063498 699
electronichamsters 12:9bb01e063498 700 //read and convert analog voltage. Comment out this section if note needed, saves some battery
electronichamsters 10:79e8f92ef156 701 NRF_ADC->TASKS_STOP = 1;
electronichamsters 10:79e8f92ef156 702 float analogreading;
electronichamsters 12:9bb01e063498 703 analogreading = (float)read_ADC_pin();
electronichamsters 10:79e8f92ef156 704 analogreading = (analogreading * 3.6) / 1024.0;
electronichamsters 10:79e8f92ef156 705 #if MyDebugEnb
electronichamsters 10:79e8f92ef156 706 device.printf("separate analog reading: %.02f \r\n", analogreading);
electronichamsters 10:79e8f92ef156 707 #endif
electronichamsters 10:79e8f92ef156 708
electronichamsters 12:9bb01e063498 709 //disable ADC to save power
electronichamsters 8:46c5e0bfab05 710 NRF_ADC->TASKS_STOP = 1;
electronichamsters 8:46c5e0bfab05 711 NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled; //disable to shutdown ADC & lower bat consumption
electronichamsters 8:46c5e0bfab05 712
electronichamsters 10:79e8f92ef156 713
electronichamsters 12:9bb01e063498 714 #if MyDebugEnb
electronichamsters 12:9bb01e063498 715 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 716 device.printf("num chars: %d \r\n", total_chars);
electronichamsters 12:9bb01e063498 717 #endif
electronichamsters 8:46c5e0bfab05 718
electronichamsters 8:46c5e0bfab05 719
electronichamsters 12:9bb01e063498 720 //Generate "First Section" for ADV_Data so gateway will recognize our advertisement pattern
electronichamsters 12:9bb01e063498 721 hash_first_section(Adv_First_Section, mac_reverse, bat_volt_char);
electronichamsters 8:46c5e0bfab05 722
electronichamsters 10:79e8f92ef156 723
electronichamsters 12:9bb01e063498 724 /* ****************************************
electronichamsters 12:9bb01e063498 725 * start writing out ADVData array
electronichamsters 12:9bb01e063498 726 * todo: this is easy to write but hard to read. Maybe make it easy to read and hard to write?
electronichamsters 12:9bb01e063498 727 ******************************************/
electronichamsters 10:79e8f92ef156 728 memset(&AdvData[0], 0, sizeof(AdvData));
electronichamsters 10:79e8f92ef156 729 uint8_t JSON_loc=0; //AdvData[0]
electronichamsters 10:79e8f92ef156 730
electronichamsters 12:9bb01e063498 731 AdvData[0] = Adv_First_Section[0]; //"our device" flag, MAC[3]
electronichamsters 12:9bb01e063498 732 JSON_loc++; //JSON_loc == 1
electronichamsters 12:9bb01e063498 733 AdvData[1] = Adv_First_Section[1]; //"out device" flag, MAC[2]...
electronichamsters 12:9bb01e063498 734 JSON_loc++; //JSON_loc == 2
electronichamsters 12:9bb01e063498 735 AdvData[2] = Adv_First_Section[2];
electronichamsters 12:9bb01e063498 736 JSON_loc++; //JSON_loc == 3
electronichamsters 12:9bb01e063498 737 AdvData[3] = Adv_First_Section[3];
electronichamsters 12:9bb01e063498 738 JSON_loc++; //JSON_loc == 4
electronichamsters 12:9bb01e063498 739 AdvData[4] = Adv_First_Section[4];
electronichamsters 12:9bb01e063498 740 JSON_loc++; //JSON_loc == 5
electronichamsters 12:9bb01e063498 741 AdvData[5] = Adv_First_Section[5];
electronichamsters 12:9bb01e063498 742 JSON_loc++; //JSON_loc == 6
electronichamsters 12:9bb01e063498 743 AdvData[6] = Adv_First_Section[6];
electronichamsters 10:79e8f92ef156 744 JSON_loc++;
electronichamsters 12:9bb01e063498 745 AdvData[7] = Adv_First_Section[7];
electronichamsters 10:79e8f92ef156 746 JSON_loc++;
electronichamsters 12:9bb01e063498 747 AdvData[8] = Adv_First_Section[8];
electronichamsters 10:79e8f92ef156 748 JSON_loc++;
electronichamsters 12:9bb01e063498 749 AdvData[9] = Adv_First_Section[9];
electronichamsters 8:46c5e0bfab05 750 JSON_loc++;
electronichamsters 10:79e8f92ef156 751
electronichamsters 12:9bb01e063498 752 #if MyDebugEnb
electronichamsters 12:9bb01e063498 753 device.printf("ADV first 10 array: ");
electronichamsters 12:9bb01e063498 754 for (int i=0; i<10; i++)
electronichamsters 12:9bb01e063498 755 {
electronichamsters 12:9bb01e063498 756 device.printf("%x ", AdvData[i]);
electronichamsters 12:9bb01e063498 757 }
electronichamsters 12:9bb01e063498 758 device.printf("\r\n");
electronichamsters 12:9bb01e063498 759 #endif
electronichamsters 10:79e8f92ef156 760
electronichamsters 10:79e8f92ef156 761
electronichamsters 10:79e8f92ef156 762 JSON_loc = 10;
electronichamsters 12:9bb01e063498 763 //Start of encrypted user data
electronichamsters 12:9bb01e063498 764
electronichamsters 12:9bb01e063498 765 //[10] and [11] hold 2 bytes for how many seconds since birthday, little endian
electronichamsters 12:9bb01e063498 766 AdvData[10] = seconds_Old & 0xFF;
electronichamsters 8:46c5e0bfab05 767 JSON_loc++;
electronichamsters 12:9bb01e063498 768 AdvData[11] = (seconds_Old >> 8) & 0xFF;
electronichamsters 10:79e8f92ef156 769 JSON_loc++;
electronichamsters 12:9bb01e063498 770
electronichamsters 10:79e8f92ef156 771 AdvData[12] = Xmit_Cnt;
electronichamsters 8:46c5e0bfab05 772 JSON_loc++;
electronichamsters 12:9bb01e063498 773
electronichamsters 8:46c5e0bfab05 774
electronichamsters 13:3450483129a3 775 //start of jason data: "but/?"
electronichamsters 13:3450483129a3 776 //"but" for button
electronichamsters 13:3450483129a3 777 if (which_button<=10)
electronichamsters 13:3450483129a3 778 {
electronichamsters 13:3450483129a3 779 JSON_loc = 13;
electronichamsters 13:3450483129a3 780 AdvData[JSON_loc] = 0x22; //ADV_Data[13] = "
electronichamsters 13:3450483129a3 781 JSON_loc++; //14
electronichamsters 13:3450483129a3 782
electronichamsters 13:3450483129a3 783 AdvData[JSON_loc] = 'b';
electronichamsters 13:3450483129a3 784 JSON_loc++; //15
electronichamsters 13:3450483129a3 785
electronichamsters 13:3450483129a3 786 AdvData[JSON_loc] = 'u';
electronichamsters 13:3450483129a3 787 JSON_loc++; //16
electronichamsters 13:3450483129a3 788
electronichamsters 13:3450483129a3 789 AdvData[JSON_loc] = 't';
electronichamsters 13:3450483129a3 790 JSON_loc++; //17
electronichamsters 13:3450483129a3 791
electronichamsters 13:3450483129a3 792 AdvData[JSON_loc] = 0x2f; // "/"
electronichamsters 13:3450483129a3 793 JSON_loc++; //17
electronichamsters 13:3450483129a3 794
electronichamsters 13:3450483129a3 795
electronichamsters 13:3450483129a3 796 //convert magnet variable to string, for magnet sensor, this is easy
electronichamsters 13:3450483129a3 797 //since we only have 1 or 0, but this also works for analog values
electronichamsters 13:3450483129a3 798 memset(&buffer[0], 0, sizeof(buffer)); //clear out buffer
electronichamsters 13:3450483129a3 799 total_chars = sprintf (buffer, "%d", which_button); //returns total number of characters, which is 1 character.
electronichamsters 13:3450483129a3 800 for (int i=0; i < total_chars; i++)
electronichamsters 13:3450483129a3 801 {
electronichamsters 13:3450483129a3 802 AdvData[JSON_loc] = buffer[i];
electronichamsters 13:3450483129a3 803 JSON_loc++;
electronichamsters 13:3450483129a3 804 } //JSON_loc left at location of next character
electronichamsters 13:3450483129a3 805
electronichamsters 13:3450483129a3 806 }// if is a button press
electronichamsters 13:3450483129a3 807
electronichamsters 13:3450483129a3 808 if (which_button==11)
electronichamsters 13:3450483129a3 809 {
electronichamsters 13:3450483129a3 810 JSON_loc = 13;
electronichamsters 13:3450483129a3 811 AdvData[JSON_loc] = 0x22; //ADV_Data[13] = "
electronichamsters 13:3450483129a3 812 JSON_loc++; //14
electronichamsters 13:3450483129a3 813
electronichamsters 13:3450483129a3 814 AdvData[JSON_loc] = 's';
electronichamsters 13:3450483129a3 815 JSON_loc++; //15
electronichamsters 13:3450483129a3 816
electronichamsters 13:3450483129a3 817 AdvData[JSON_loc] = 'h';
electronichamsters 13:3450483129a3 818 JSON_loc++; //16
electronichamsters 13:3450483129a3 819
electronichamsters 13:3450483129a3 820 AdvData[JSON_loc] = 'a';
electronichamsters 13:3450483129a3 821 JSON_loc++; //17
electronichamsters 13:3450483129a3 822
electronichamsters 13:3450483129a3 823 AdvData[JSON_loc] = 'k';
electronichamsters 13:3450483129a3 824 JSON_loc++; //17
electronichamsters 13:3450483129a3 825 AdvData[JSON_loc] = 'e';
electronichamsters 13:3450483129a3 826 JSON_loc++; //17
electronichamsters 13:3450483129a3 827 //AdvData[JSON_loc] = 0x2f; // "/"
electronichamsters 13:3450483129a3 828 //JSON_loc++; //17
electronichamsters 13:3450483129a3 829
electronichamsters 13:3450483129a3 830 }// if is a button press
electronichamsters 10:79e8f92ef156 831
electronichamsters 13:3450483129a3 832 which_button = 0; //reset which button
electronichamsters 10:79e8f92ef156 833
electronichamsters 13:3450483129a3 834
electronichamsters 12:9bb01e063498 835 //for periodic calls, we want to add an extra mqtt level "p", using "/p"
electronichamsters 12:9bb01e063498 836 //to delineate between MQTT publishes from real world I/O interrupts vs timer interrupts
electronichamsters 12:9bb01e063498 837 if (Flag_Periodic_Call)
electronichamsters 8:46c5e0bfab05 838 {
electronichamsters 12:9bb01e063498 839 AdvData[JSON_loc] = 0x2f; // ADV_Data[17] = /
electronichamsters 12:9bb01e063498 840 JSON_loc++; //18
electronichamsters 13:3450483129a3 841 AdvData[JSON_loc] = 'p';
electronichamsters 13:3450483129a3 842 JSON_loc++; //19
electronichamsters 13:3450483129a3 843 AdvData[JSON_loc] = 'e';
electronichamsters 13:3450483129a3 844 JSON_loc++; //19
electronichamsters 13:3450483129a3 845 AdvData[JSON_loc] = 'r';
electronichamsters 13:3450483129a3 846 JSON_loc++; //19
electronichamsters 13:3450483129a3 847 AdvData[JSON_loc] = 0x2f; // ADV_Data[17] = /
electronichamsters 13:3450483129a3 848 JSON_loc++; //18
electronichamsters 13:3450483129a3 849 AdvData[JSON_loc] = 'p'; // ADV_Data[18] =p
electronichamsters 12:9bb01e063498 850 JSON_loc++; //19
electronichamsters 12:9bb01e063498 851 }
electronichamsters 8:46c5e0bfab05 852
electronichamsters 12:9bb01e063498 853 AdvData[JSON_loc] = 0x22; //ADV_Data[17 or 19] = "
electronichamsters 10:79e8f92ef156 854 JSON_loc++; //20
electronichamsters 8:46c5e0bfab05 855
electronichamsters 12:9bb01e063498 856 AdvData[JSON_loc] = 0x3a; //ADV_Data[18 or 20] = :
electronichamsters 12:9bb01e063498 857 JSON_loc++; //21
electronichamsters 8:46c5e0bfab05 858
electronichamsters 12:9bb01e063498 859 //convert magnet variable to string, for magnet sensor, this is easy
electronichamsters 12:9bb01e063498 860 //since we only have 1 or 0, but this also works for analog values
electronichamsters 8:46c5e0bfab05 861 memset(&buffer[0], 0, sizeof(buffer)); //clear out buffer
electronichamsters 13:3450483129a3 862 total_chars = sprintf (buffer, "%d", button_pressed_ms); //returns total number of characters, which is 1 character.
electronichamsters 8:46c5e0bfab05 863 for (int i=0; i < total_chars; i++)
electronichamsters 8:46c5e0bfab05 864 {
electronichamsters 8:46c5e0bfab05 865 AdvData[JSON_loc] = buffer[i];
electronichamsters 10:79e8f92ef156 866 JSON_loc++; //23
electronichamsters 8:46c5e0bfab05 867 } //JSON_loc left at location of next character
electronichamsters 8:46c5e0bfab05 868
electronichamsters 12:9bb01e063498 869
electronichamsters 12:9bb01e063498 870 //AdvData[JSON_loc] = 0x0; //since AdvData was cleared to start with, we don't need to null term
electronichamsters 8:46c5e0bfab05 871
rgrover1 5:f4d74a8cad43 872 ApplicationData_t appData;
rgrover1 5:f4d74a8cad43 873 setupApplicationData(appData);
electronichamsters 8:46c5e0bfab05 874
electronichamsters 12:9bb01e063498 875 /*********************
electronichamsters 12:9bb01e063498 876 * start encrypting last 16 bytes of ADV_Data
electronichamsters 12:9bb01e063498 877 *********************/
electronichamsters 8:46c5e0bfab05 878 for (int i=0; i<16; i++)
electronichamsters 8:46c5e0bfab05 879 {
electronichamsters 10:79e8f92ef156 880 src_buf[i] = AdvData[i+10]; //start of encrypted section is at AdvData[10]
electronichamsters 8:46c5e0bfab05 881 }
electronichamsters 8:46c5e0bfab05 882 nrf_ecb_init();
electronichamsters 8:46c5e0bfab05 883 nrf_ecb_set_key(key_buf);
electronichamsters 8:46c5e0bfab05 884 bool successful_ecb = nrf_ecb_crypt(des_buf, src_buf);
electronichamsters 12:9bb01e063498 885 #if MyDebugEnb
electronichamsters 12:9bb01e063498 886 device.printf("success ecb = %d \r\n", successful_ecb);
electronichamsters 12:9bb01e063498 887 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 888 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 889 #endif
electronichamsters 12:9bb01e063498 890 for (int i=0; i<16; i++) //replace last 16 bytes with encrypted 16 bytes
electronichamsters 8:46c5e0bfab05 891 {
electronichamsters 10:79e8f92ef156 892 AdvData[i+10] = des_buf[i];
electronichamsters 8:46c5e0bfab05 893 }
electronichamsters 8:46c5e0bfab05 894
electronichamsters 12:9bb01e063498 895 //set payload for advertisement to our custom manufactured data. First 5 bytes is BLE standard, last 26 bytes is our array
electronichamsters 8:46c5e0bfab05 896 //ble.gap().updateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *) &appData, sizeof(ApplicationData_t));
electronichamsters 8:46c5e0bfab05 897 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData));
electronichamsters 8:46c5e0bfab05 898
electronichamsters 12:9bb01e063498 899 Flag_Update_IO = false;
electronichamsters 12:9bb01e063498 900 Flag_Periodic_Call = false;
electronichamsters 8:46c5e0bfab05 901
electronichamsters 8:46c5e0bfab05 902 ble.gap().startAdvertising();
electronichamsters 12:9bb01e063498 903 Tic_Stop_Adv.attach(stop_adv_Callback, 3); /* trigger turn off advertisement after X seconds */
electronichamsters 8:46c5e0bfab05 904
electronichamsters 12:9bb01e063498 905 }//end Flag_Update_IO
electronichamsters 8:46c5e0bfab05 906
electronichamsters 8:46c5e0bfab05 907
electronichamsters 12:9bb01e063498 908 if (Flag_Detach_Adv_Tic == true) //ticker callback flag to stop advertising
electronichamsters 8:46c5e0bfab05 909 {
electronichamsters 8:46c5e0bfab05 910 ble.gap().stopAdvertising(); //may be safer to execute BLE operations in main
electronichamsters 12:9bb01e063498 911 Tic_Stop_Adv.detach();
electronichamsters 12:9bb01e063498 912 Flag_Detach_Adv_Tic = false;
electronichamsters 8:46c5e0bfab05 913 }
electronichamsters 12:9bb01e063498 914
electronichamsters 8:46c5e0bfab05 915
electronichamsters 12:9bb01e063498 916 ble.waitForEvent(); //sleeps until interrupt form ticker or I/O
electronichamsters 13:3450483129a3 917
electronichamsters 13:3450483129a3 918
electronichamsters 13:3450483129a3 919 //wait_ms(1000);
electronichamsters 8:46c5e0bfab05 920 }//end forever while
electronichamsters 8:46c5e0bfab05 921 }//end main