Geo beacon for VF.
Dependencies: MMA8452 aconno_bsp adc52832_common
main.cpp@8:570eb66d50b5, 2017-07-20 (annotated)
- Committer:
- jurica238814
- Date:
- Thu Jul 20 11:15:37 2017 +0000
- Revision:
- 8:570eb66d50b5
- Parent:
- 6:d14e3df498f4
- Child:
- 9:2ab2be19add9
Acc included. Works. Potentional problem: stops working after 10min (ble problem or something else... seen that on other ble examples).
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jurica238814 | 1:5f34885f5cff | 1 | /* |
jurica238814 | 0:f8c1e0b2d473 | 2 | * |
jurica238814 | 1:5f34885f5cff | 3 | * Made by Jurica Resetar @ aconno |
jurica238814 | 1:5f34885f5cff | 4 | * aconno.de |
jurica238814 | 6:d14e3df498f4 | 5 | * All rights reserved |
jurica238814 | 0:f8c1e0b2d473 | 6 | * |
jurica238814 | 0:f8c1e0b2d473 | 7 | */ |
jurica238814 | 0:f8c1e0b2d473 | 8 | |
jurica238814 | 0:f8c1e0b2d473 | 9 | #include "mbed.h" |
jurica238814 | 0:f8c1e0b2d473 | 10 | #include "ble/BLE.h" |
jurica238814 | 1:5f34885f5cff | 11 | #include "GapAdvertisingData.h" |
jurica238814 | 0:f8c1e0b2d473 | 12 | #include "acd52832_bsp.h" |
jurica238814 | 6:d14e3df498f4 | 13 | #include "mma8452.h" |
jurica238814 | 1:5f34885f5cff | 14 | |
jurica238814 | 8:570eb66d50b5 | 15 | #define DEBUG 1 |
jurica238814 | 8:570eb66d50b5 | 16 | |
jurica238814 | 3:2a4ac5b87046 | 17 | #define SLEEP_TIME (0.85) // Sleep time in seconds WAS 0.85 |
jurica238814 | 8:570eb66d50b5 | 18 | #define AWAKE_TIME (2.15) // Was 0.15 |
jurica238814 | 1:5f34885f5cff | 19 | #define BUZZER (p31) |
jurica238814 | 0:f8c1e0b2d473 | 20 | |
jurica238814 | 1:5f34885f5cff | 21 | /* Static constants for the BLE example */ |
jurica238814 | 3:2a4ac5b87046 | 22 | #define MAX_BLE_PACKET_SIZE (31) |
jurica238814 | 3:2a4ac5b87046 | 23 | #define MSD_SIZE (18) |
jurica238814 | 3:2a4ac5b87046 | 24 | #define MSD_ID (0xFF) |
jurica238814 | 3:2a4ac5b87046 | 25 | #define BUZZ_TIME (1.0) // Buzz time in s |
jurica238814 | 1:5f34885f5cff | 26 | |
jurica238814 | 6:d14e3df498f4 | 27 | /* Static constants for the accelerometer */ |
jurica238814 | 6:d14e3df498f4 | 28 | #define WHO_AM_I 0x0D // Type 'read' : This should return the device id of 0x2A |
jurica238814 | 6:d14e3df498f4 | 29 | #define OUT_Z_MSB 0x05 // Type 'read' : z axis - 8 most significatn bit of a 12 bit sample |
jurica238814 | 6:d14e3df498f4 | 30 | #define I2C_DATA (p29) |
jurica238814 | 6:d14e3df498f4 | 31 | #define I2C_CLK (p2) |
jurica238814 | 6:d14e3df498f4 | 32 | #define INT2_PIN (p4) |
jurica238814 | 0:f8c1e0b2d473 | 33 | |
jurica238814 | 8:570eb66d50b5 | 34 | uint8_t sleepFlag = 1; |
jurica238814 | 0:f8c1e0b2d473 | 35 | int8_t txPower = 4; |
jurica238814 | 1:5f34885f5cff | 36 | uint8_t MSD[MSD_SIZE] = {0x59, 0x00, 0xE1, 0x61, 0x35, 0xBA, 0xC0, 0xEC, 0x47, 0x2A, 0x98, 0x00, 0xAF, 0x18, 0x43, 0xFF, 0x05, 0x00}; |
jurica238814 | 6:d14e3df498f4 | 37 | uint8_t my_mac_address[6] = {}; |
jurica238814 | 6:d14e3df498f4 | 38 | uint8_t buzzer_flag = 0; |
jurica238814 | 0:f8c1e0b2d473 | 39 | |
jurica238814 | 2:5504b714c9ae | 40 | void turnBuzzOff(void); |
jurica238814 | 2:5504b714c9ae | 41 | void goToSleep(); |
jurica238814 | 0:f8c1e0b2d473 | 42 | |
jurica238814 | 2:5504b714c9ae | 43 | Ticker WakeSleepT; |
jurica238814 | 2:5504b714c9ae | 44 | Ticker turnBuzzOffT; |
jurica238814 | 1:5f34885f5cff | 45 | PwmOut buzzer(BUZZER); |
jurica238814 | 6:d14e3df498f4 | 46 | PwmOut gyro_power(p7); |
jurica238814 | 6:d14e3df498f4 | 47 | PwmOut i2c_power(p5); // I2C Pull-ups power pin |
jurica238814 | 6:d14e3df498f4 | 48 | InterruptIn gyro_pulse(INT2_PIN); |
jurica238814 | 6:d14e3df498f4 | 49 | Acc_MMA8452 acc(I2C_DATA, I2C_CLK, MMA8452_ADDRESS); |
jurica238814 | 1:5f34885f5cff | 50 | BLE &ble = BLE::Instance(); |
jurica238814 | 2:5504b714c9ae | 51 | |
jurica238814 | 8:570eb66d50b5 | 52 | #if DEBUG |
jurica238814 | 8:570eb66d50b5 | 53 | DigitalOut int_led(p22); |
jurica238814 | 8:570eb66d50b5 | 54 | #endif |
jurica238814 | 8:570eb66d50b5 | 55 | |
jurica238814 | 0:f8c1e0b2d473 | 56 | /* Restart Advertising on disconnection*/ |
jurica238814 | 0:f8c1e0b2d473 | 57 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params){ |
jurica238814 | 0:f8c1e0b2d473 | 58 | BLE::Instance().gap().startAdvertising(); |
jurica238814 | 0:f8c1e0b2d473 | 59 | } |
jurica238814 | 0:f8c1e0b2d473 | 60 | |
jurica238814 | 3:2a4ac5b87046 | 61 | /** |
jurica238814 | 3:2a4ac5b87046 | 62 | * The function is called when ticker generates interrupt |
jurica238814 | 3:2a4ac5b87046 | 63 | */ |
jurica238814 | 2:5504b714c9ae | 64 | void turnBuzzOff(void){ |
jurica238814 | 2:5504b714c9ae | 65 | buzzer.write(0.0F); |
jurica238814 | 2:5504b714c9ae | 66 | turnBuzzOffT.detach(); |
jurica238814 | 2:5504b714c9ae | 67 | WakeSleepT.attach(goToSleep, AWAKE_TIME); |
jurica238814 | 1:5f34885f5cff | 68 | } |
jurica238814 | 0:f8c1e0b2d473 | 69 | |
jurica238814 | 0:f8c1e0b2d473 | 70 | /** |
jurica238814 | 0:f8c1e0b2d473 | 71 | * This function is called when the ble initialization process has failed |
jurica238814 | 0:f8c1e0b2d473 | 72 | */ |
jurica238814 | 0:f8c1e0b2d473 | 73 | void onBleInitError(BLE &ble, ble_error_t error){ |
jurica238814 | 0:f8c1e0b2d473 | 74 | /* Avoid compiler warnings */ |
jurica238814 | 0:f8c1e0b2d473 | 75 | (void) ble; |
jurica238814 | 0:f8c1e0b2d473 | 76 | (void) error; |
jurica238814 | 0:f8c1e0b2d473 | 77 | /* Initialization error handling should go here */ |
jurica238814 | 0:f8c1e0b2d473 | 78 | } |
jurica238814 | 0:f8c1e0b2d473 | 79 | |
jurica238814 | 0:f8c1e0b2d473 | 80 | /** |
jurica238814 | 0:f8c1e0b2d473 | 81 | * Callback triggered when the ble initialization process has finished |
jurica238814 | 0:f8c1e0b2d473 | 82 | */ |
jurica238814 | 0:f8c1e0b2d473 | 83 | void bleInitComplete(BLE::InitializationCompleteCallbackContext *params){ |
jurica238814 | 0:f8c1e0b2d473 | 84 | BLE& ble = params->ble; |
jurica238814 | 0:f8c1e0b2d473 | 85 | ble_error_t error = params->error; |
jurica238814 | 0:f8c1e0b2d473 | 86 | |
jurica238814 | 0:f8c1e0b2d473 | 87 | if (error != BLE_ERROR_NONE) { |
jurica238814 | 0:f8c1e0b2d473 | 88 | /* In case of error, forward the error handling to onBleInitError */ |
jurica238814 | 0:f8c1e0b2d473 | 89 | onBleInitError(ble, error); |
jurica238814 | 0:f8c1e0b2d473 | 90 | return; |
jurica238814 | 0:f8c1e0b2d473 | 91 | } |
jurica238814 | 0:f8c1e0b2d473 | 92 | |
jurica238814 | 0:f8c1e0b2d473 | 93 | /* Ensure that it is the default instance of BLE */ |
jurica238814 | 0:f8c1e0b2d473 | 94 | if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { |
jurica238814 | 0:f8c1e0b2d473 | 95 | return; |
jurica238814 | 0:f8c1e0b2d473 | 96 | } |
jurica238814 | 0:f8c1e0b2d473 | 97 | |
jurica238814 | 0:f8c1e0b2d473 | 98 | ble.gap().onDisconnection(disconnectionCallback); |
jurica238814 | 0:f8c1e0b2d473 | 99 | |
jurica238814 | 1:5f34885f5cff | 100 | /* Get my MAC address */ |
jurica238814 | 1:5f34885f5cff | 101 | BLEProtocol::AddressType_t temp_address_type; |
jurica238814 | 1:5f34885f5cff | 102 | ble.gap().getAddress(&temp_address_type, my_mac_address); |
jurica238814 | 1:5f34885f5cff | 103 | |
jurica238814 | 1:5f34885f5cff | 104 | |
jurica238814 | 0:f8c1e0b2d473 | 105 | /* setup advertising */ |
jurica238814 | 0:f8c1e0b2d473 | 106 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
jurica238814 | 1:5f34885f5cff | 107 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)MSD, MSD_SIZE); |
jurica238814 | 0:f8c1e0b2d473 | 108 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); |
jurica238814 | 2:5504b714c9ae | 109 | ble.gap().setAdvertisingInterval(100); // --> Has to be at least 100ms! |
jurica238814 | 2:5504b714c9ae | 110 | ble.gap().startAdvertising(); |
jurica238814 | 0:f8c1e0b2d473 | 111 | } |
jurica238814 | 0:f8c1e0b2d473 | 112 | |
jurica238814 | 3:2a4ac5b87046 | 113 | |
jurica238814 | 3:2a4ac5b87046 | 114 | uint8_t findMSDIndex(const Gap::AdvertisementCallbackParams_t *params){ |
jurica238814 | 1:5f34885f5cff | 115 | uint8_t i=0; |
jurica238814 | 3:2a4ac5b87046 | 116 | uint8_t len; |
jurica238814 | 3:2a4ac5b87046 | 117 | |
jurica238814 | 3:2a4ac5b87046 | 118 | do{ |
jurica238814 | 3:2a4ac5b87046 | 119 | len = params->advertisingData[i]; |
jurica238814 | 3:2a4ac5b87046 | 120 | i++; |
jurica238814 | 3:2a4ac5b87046 | 121 | if(params->advertisingData[i] == MSD_ID) return i; |
jurica238814 | 3:2a4ac5b87046 | 122 | else i += (len-1); |
jurica238814 | 3:2a4ac5b87046 | 123 | }while(i<MAX_BLE_PACKET_SIZE); |
jurica238814 | 3:2a4ac5b87046 | 124 | |
jurica238814 | 3:2a4ac5b87046 | 125 | return 0; |
jurica238814 | 3:2a4ac5b87046 | 126 | } |
jurica238814 | 3:2a4ac5b87046 | 127 | |
jurica238814 | 3:2a4ac5b87046 | 128 | /** |
jurica238814 | 3:2a4ac5b87046 | 129 | * Function is called when BLE radio discovers any kind of advertisment |
jurica238814 | 3:2a4ac5b87046 | 130 | */ |
jurica238814 | 3:2a4ac5b87046 | 131 | void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params){ |
jurica238814 | 3:2a4ac5b87046 | 132 | uint8_t i=0; |
jurica238814 | 3:2a4ac5b87046 | 133 | uint8_t msdOffset; |
jurica238814 | 3:2a4ac5b87046 | 134 | |
jurica238814 | 3:2a4ac5b87046 | 135 | msdOffset = findMSDIndex(params); |
jurica238814 | 3:2a4ac5b87046 | 136 | if(msdOffset == 0){ |
jurica238814 | 3:2a4ac5b87046 | 137 | // There's no MSD in BLE advertisement data |
jurica238814 | 3:2a4ac5b87046 | 138 | return; |
jurica238814 | 3:2a4ac5b87046 | 139 | } |
jurica238814 | 3:2a4ac5b87046 | 140 | |
jurica238814 | 3:2a4ac5b87046 | 141 | if ((params->advertisingData[msdOffset]) == MSD_ID){ |
jurica238814 | 1:5f34885f5cff | 142 | // Follows Manufacturer Specific Data |
jurica238814 | 3:2a4ac5b87046 | 143 | if ((params->advertisingData[msdOffset+1]) == 0x59){ |
jurica238814 | 3:2a4ac5b87046 | 144 | if ((params->advertisingData[msdOffset+2]) == 0x00){ |
jurica238814 | 1:5f34885f5cff | 145 | for(i=0; i<6; i++){ |
jurica238814 | 3:2a4ac5b87046 | 146 | if((params->advertisingData[msdOffset+i+3]) == my_mac_address[5-i]){ |
jurica238814 | 1:5f34885f5cff | 147 | continue; |
jurica238814 | 1:5f34885f5cff | 148 | } |
jurica238814 | 1:5f34885f5cff | 149 | else{ |
jurica238814 | 1:5f34885f5cff | 150 | return; |
jurica238814 | 1:5f34885f5cff | 151 | } |
jurica238814 | 1:5f34885f5cff | 152 | } |
jurica238814 | 2:5504b714c9ae | 153 | turnBuzzOffT.detach(); |
jurica238814 | 2:5504b714c9ae | 154 | WakeSleepT.detach(); |
jurica238814 | 2:5504b714c9ae | 155 | buzzer.write(0.5F); |
jurica238814 | 2:5504b714c9ae | 156 | turnBuzzOffT.attach(turnBuzzOff, BUZZ_TIME); |
jurica238814 | 1:5f34885f5cff | 157 | } |
jurica238814 | 1:5f34885f5cff | 158 | } |
jurica238814 | 2:5504b714c9ae | 159 | } |
jurica238814 | 2:5504b714c9ae | 160 | } |
jurica238814 | 2:5504b714c9ae | 161 | |
jurica238814 | 2:5504b714c9ae | 162 | void WakeMeUp(){ |
jurica238814 | 2:5504b714c9ae | 163 | WakeSleepT.detach(); |
jurica238814 | 2:5504b714c9ae | 164 | WakeSleepT.attach(goToSleep, AWAKE_TIME); |
jurica238814 | 2:5504b714c9ae | 165 | |
jurica238814 | 2:5504b714c9ae | 166 | ble.gap().startScan(advertisementCallback); |
jurica238814 | 2:5504b714c9ae | 167 | ble.gap().startAdvertising(); |
jurica238814 | 8:570eb66d50b5 | 168 | sleepFlag = 0; |
jurica238814 | 2:5504b714c9ae | 169 | } |
jurica238814 | 2:5504b714c9ae | 170 | |
jurica238814 | 2:5504b714c9ae | 171 | void goToSleep(){ |
jurica238814 | 2:5504b714c9ae | 172 | WakeSleepT.detach(); |
jurica238814 | 2:5504b714c9ae | 173 | WakeSleepT.attach(WakeMeUp, SLEEP_TIME); |
jurica238814 | 2:5504b714c9ae | 174 | |
jurica238814 | 2:5504b714c9ae | 175 | ble.gap().stopAdvertising(); |
jurica238814 | 2:5504b714c9ae | 176 | ble.gap().stopScan(); |
jurica238814 | 8:570eb66d50b5 | 177 | sleepFlag = 1; |
jurica238814 | 1:5f34885f5cff | 178 | } |
jurica238814 | 1:5f34885f5cff | 179 | |
jurica238814 | 6:d14e3df498f4 | 180 | void buzz(void){ |
jurica238814 | 6:d14e3df498f4 | 181 | buzzer.write(0.5f); |
jurica238814 | 6:d14e3df498f4 | 182 | wait_ms(100); |
jurica238814 | 6:d14e3df498f4 | 183 | buzzer.write(0.0f); |
jurica238814 | 6:d14e3df498f4 | 184 | buzzer_flag = 0; |
jurica238814 | 6:d14e3df498f4 | 185 | } |
jurica238814 | 6:d14e3df498f4 | 186 | |
jurica238814 | 6:d14e3df498f4 | 187 | void pulse_handler(void){ |
jurica238814 | 6:d14e3df498f4 | 188 | #if DEBUG |
jurica238814 | 6:d14e3df498f4 | 189 | int_led = !int_led; |
jurica238814 | 6:d14e3df498f4 | 190 | #endif |
jurica238814 | 6:d14e3df498f4 | 191 | i2c_power.write(1.0F); |
jurica238814 | 6:d14e3df498f4 | 192 | buzzer_flag = 1; |
jurica238814 | 8:570eb66d50b5 | 193 | // Be awake some time |
jurica238814 | 8:570eb66d50b5 | 194 | WakeSleepT.detach(); |
jurica238814 | 8:570eb66d50b5 | 195 | WakeSleepT.attach(goToSleep, AWAKE_TIME); |
jurica238814 | 6:d14e3df498f4 | 196 | } |
jurica238814 | 6:d14e3df498f4 | 197 | |
jurica238814 | 0:f8c1e0b2d473 | 198 | int main(void){ |
jurica238814 | 2:5504b714c9ae | 199 | WakeSleepT.attach(goToSleep, AWAKE_TIME); |
jurica238814 | 0:f8c1e0b2d473 | 200 | ble.init(bleInitComplete); |
jurica238814 | 0:f8c1e0b2d473 | 201 | ble.gap().setTxPower(txPower); |
jurica238814 | 0:f8c1e0b2d473 | 202 | GapAdvertisingData postavke = GapAdvertisingData(); |
jurica238814 | 0:f8c1e0b2d473 | 203 | |
jurica238814 | 2:5504b714c9ae | 204 | ble.gap().setScanParams(100, 100); |
jurica238814 | 1:5f34885f5cff | 205 | ble.gap().startScan(advertisementCallback); |
jurica238814 | 1:5f34885f5cff | 206 | |
jurica238814 | 1:5f34885f5cff | 207 | buzzer.period(0.001F); |
jurica238814 | 1:5f34885f5cff | 208 | buzzer.write(0.0F); |
jurica238814 | 6:d14e3df498f4 | 209 | gyro_power.period(0.01F); |
jurica238814 | 6:d14e3df498f4 | 210 | gyro_power.write(1.0F); |
jurica238814 | 6:d14e3df498f4 | 211 | i2c_power.period(0.01F); |
jurica238814 | 6:d14e3df498f4 | 212 | i2c_power.write(1.0F); |
jurica238814 | 6:d14e3df498f4 | 213 | wait_ms(1000); |
jurica238814 | 6:d14e3df498f4 | 214 | |
jurica238814 | 6:d14e3df498f4 | 215 | /* Pulse interrupt detection */ |
jurica238814 | 6:d14e3df498f4 | 216 | acc.set_register((char)CTRL_REG_4, (char) 0x04); // INT_EN_FF_MT Freefall/motion interrupt enabled |
jurica238814 | 6:d14e3df498f4 | 217 | wait_ms(1); |
jurica238814 | 6:d14e3df498f4 | 218 | acc.set_register((char)FF_MT_CFG, (char) 0b01011000); //ELE, Motion Flag ON, YEFE, X Event Flag Enable |
jurica238814 | 6:d14e3df498f4 | 219 | wait_ms(1); |
jurica238814 | 6:d14e3df498f4 | 220 | acc.set_register((char)CTRL_REG_5, (char) 0x00); // INT_EN_FF_MT interrupt is router t0 INT2 |
jurica238814 | 6:d14e3df498f4 | 221 | wait_ms(1); |
jurica238814 | 6:d14e3df498f4 | 222 | acc.set_register((char)FF_COUNT, (char) 0x08); // Set Counter degister value (10ms) |
jurica238814 | 6:d14e3df498f4 | 223 | wait_ms(1); |
jurica238814 | 6:d14e3df498f4 | 224 | acc.set_register((char)FF_MT_THS, (char) 0x90); // Set TH value for motion detection on 1 G (1/0.063) and DBCNTM = 1 (Increments or clears counter) |
jurica238814 | 6:d14e3df498f4 | 225 | wait_ms(1); |
jurica238814 | 6:d14e3df498f4 | 226 | |
jurica238814 | 6:d14e3df498f4 | 227 | /* Setup for the interrupt handler */ |
jurica238814 | 6:d14e3df498f4 | 228 | gyro_pulse.rise(&pulse_handler); |
jurica238814 | 6:d14e3df498f4 | 229 | acc.set_register((char)CTRL_REG_1, (char) 0x01); // Flow data rate and Active mode |
jurica238814 | 6:d14e3df498f4 | 230 | wait(1); |
jurica238814 | 0:f8c1e0b2d473 | 231 | |
jurica238814 | 2:5504b714c9ae | 232 | __enable_irq(); |
jurica238814 | 2:5504b714c9ae | 233 | |
jurica238814 | 0:f8c1e0b2d473 | 234 | /* SpinWait for initialization to complete. This is necessary because the |
jurica238814 | 0:f8c1e0b2d473 | 235 | * BLE object is used in the main loop below. */ |
jurica238814 | 3:2a4ac5b87046 | 236 | while (ble.hasInitialized() == false){ |
jurica238814 | 3:2a4ac5b87046 | 237 | /* spin loop */ |
jurica238814 | 3:2a4ac5b87046 | 238 | } |
jurica238814 | 1:5f34885f5cff | 239 | |
jurica238814 | 1:5f34885f5cff | 240 | while(true){ |
jurica238814 | 8:570eb66d50b5 | 241 | if(sleepFlag) __WFI(); |
jurica238814 | 3:2a4ac5b87046 | 242 | else ble.waitForEvent(); |
jurica238814 | 0:f8c1e0b2d473 | 243 | } |
jurica238814 | 0:f8c1e0b2d473 | 244 | } |