Pull request for i.a. sensor buffer template
Dependencies: BLE_API MPU6050 mbed nRF51822
main.cpp@4:aea4ff8e52ef, 2018-09-19 (annotated)
- Committer:
- pietermaljaars
- Date:
- Wed Sep 19 18:24:52 2018 +0000
- Revision:
- 4:aea4ff8e52ef
- Parent:
- 3:7875f062a4ea
- Child:
- 5:614164945894
Clean up
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
pietermaljaars | 0:7c12d0922052 | 1 | |
pietermaljaars | 0:7c12d0922052 | 2 | #include "mbed.h" |
pietermaljaars | 0:7c12d0922052 | 3 | #include "nrf51.h" |
pietermaljaars | 0:7c12d0922052 | 4 | #include "nrf51_bitfields.h" |
pietermaljaars | 3:7875f062a4ea | 5 | #include "MPU6050.h" |
pietermaljaars | 0:7c12d0922052 | 6 | |
pietermaljaars | 0:7c12d0922052 | 7 | #include "BLE.h" |
pietermaljaars | 0:7c12d0922052 | 8 | #include "DFUService.h" |
pietermaljaars | 0:7c12d0922052 | 9 | #include "UARTService.h" |
pietermaljaars | 2:bf1a19d489eb | 10 | #include "BatteryService.h" |
pietermaljaars | 2:bf1a19d489eb | 11 | #include "DeviceInformationService.h" |
pietermaljaars | 0:7c12d0922052 | 12 | |
pietermaljaars | 0:7c12d0922052 | 13 | |
pietermaljaars | 0:7c12d0922052 | 14 | #define LOG(...) { pc.printf(__VA_ARGS__); } |
pietermaljaars | 0:7c12d0922052 | 15 | |
pietermaljaars | 0:7c12d0922052 | 16 | #define LED_GREEN p21 |
pietermaljaars | 0:7c12d0922052 | 17 | #define LED_RED p22 |
pietermaljaars | 0:7c12d0922052 | 18 | #define LED_BLUE p23 |
pietermaljaars | 0:7c12d0922052 | 19 | #define BUTTON_PIN p17 |
pietermaljaars | 0:7c12d0922052 | 20 | #define BATTERY_PIN p1 |
pietermaljaars | 0:7c12d0922052 | 21 | |
pietermaljaars | 0:7c12d0922052 | 22 | #define MPU6050_SDA p12 |
pietermaljaars | 0:7c12d0922052 | 23 | #define MPU6050_SCL p13 |
pietermaljaars | 0:7c12d0922052 | 24 | |
pietermaljaars | 0:7c12d0922052 | 25 | #define UART_TX p9 |
pietermaljaars | 0:7c12d0922052 | 26 | #define UART_RX p11 |
pietermaljaars | 0:7c12d0922052 | 27 | #define UART_CTS p8 |
pietermaljaars | 0:7c12d0922052 | 28 | #define UART_RTS p10 |
pietermaljaars | 0:7c12d0922052 | 29 | |
pietermaljaars | 0:7c12d0922052 | 30 | /* Starting sampling rate. */ |
pietermaljaars | 0:7c12d0922052 | 31 | #define DEFAULT_MPU_HZ (100) |
pietermaljaars | 0:7c12d0922052 | 32 | |
pietermaljaars | 2:bf1a19d489eb | 33 | |
pietermaljaars | 4:aea4ff8e52ef | 34 | #define MANUFACTURER "PM @ ALTEN" |
pietermaljaars | 4:aea4ff8e52ef | 35 | #define MODELNUMBER "IoT BLE" |
pietermaljaars | 4:aea4ff8e52ef | 36 | #define SERIALNUMBER "123456" |
pietermaljaars | 4:aea4ff8e52ef | 37 | #define HARDWAREREVISION "Seeed demo IoT" |
pietermaljaars | 2:bf1a19d489eb | 38 | #define FIRMWAREREVISION "1.0" |
pietermaljaars | 2:bf1a19d489eb | 39 | #define SOFTWAREREVISION "1.0" |
pietermaljaars | 2:bf1a19d489eb | 40 | |
pietermaljaars | 0:7c12d0922052 | 41 | DigitalOut blue(LED_BLUE); |
pietermaljaars | 0:7c12d0922052 | 42 | DigitalOut green(LED_GREEN); |
pietermaljaars | 0:7c12d0922052 | 43 | DigitalOut red(LED_RED); |
pietermaljaars | 0:7c12d0922052 | 44 | |
pietermaljaars | 0:7c12d0922052 | 45 | InterruptIn button(BUTTON_PIN); |
pietermaljaars | 0:7c12d0922052 | 46 | AnalogIn battery(BATTERY_PIN); |
pietermaljaars | 0:7c12d0922052 | 47 | Serial pc(UART_TX, UART_RX); |
pietermaljaars | 3:7875f062a4ea | 48 | MPU6050 mpu(MPU6050_SDA, MPU6050_SCL); |
pietermaljaars | 0:7c12d0922052 | 49 | |
pietermaljaars | 0:7c12d0922052 | 50 | InterruptIn motion_probe(p14); |
pietermaljaars | 0:7c12d0922052 | 51 | |
pietermaljaars | 0:7c12d0922052 | 52 | int read_none_count = 0; |
pietermaljaars | 0:7c12d0922052 | 53 | |
pietermaljaars | 0:7c12d0922052 | 54 | BLEDevice ble; |
pietermaljaars | 0:7c12d0922052 | 55 | UARTService *uartServicePtr; |
pietermaljaars | 0:7c12d0922052 | 56 | |
pietermaljaars | 2:bf1a19d489eb | 57 | // variables to monitor the battery voltage |
pietermaljaars | 3:7875f062a4ea | 58 | volatile float batteryVoltage = 100.0f; |
pietermaljaars | 3:7875f062a4ea | 59 | volatile bool batteryVoltageChanged = false; |
pietermaljaars | 3:7875f062a4ea | 60 | |
pietermaljaars | 3:7875f062a4ea | 61 | volatile bool startMeasure = false; |
pietermaljaars | 2:bf1a19d489eb | 62 | |
pietermaljaars | 0:7c12d0922052 | 63 | volatile bool bleIsConnected = false; |
pietermaljaars | 0:7c12d0922052 | 64 | volatile uint8_t tick_event = 0; |
pietermaljaars | 3:7875f062a4ea | 65 | |
pietermaljaars | 3:7875f062a4ea | 66 | int16_t ax, ay, az; |
pietermaljaars | 3:7875f062a4ea | 67 | int16_t gx, gy, gz; |
pietermaljaars | 0:7c12d0922052 | 68 | |
pietermaljaars | 0:7c12d0922052 | 69 | |
pietermaljaars | 0:7c12d0922052 | 70 | void connectionCallback(const Gap::ConnectionCallbackParams_t *params) |
pietermaljaars | 0:7c12d0922052 | 71 | { |
pietermaljaars | 0:7c12d0922052 | 72 | LOG("Connected!\n"); |
pietermaljaars | 0:7c12d0922052 | 73 | bleIsConnected = true; |
pietermaljaars | 0:7c12d0922052 | 74 | } |
pietermaljaars | 0:7c12d0922052 | 75 | |
pietermaljaars | 0:7c12d0922052 | 76 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *cbParams) |
pietermaljaars | 0:7c12d0922052 | 77 | { |
pietermaljaars | 0:7c12d0922052 | 78 | LOG("Disconnected!\n"); |
pietermaljaars | 0:7c12d0922052 | 79 | LOG("Restarting the advertising process\n"); |
pietermaljaars | 0:7c12d0922052 | 80 | ble.startAdvertising(); |
pietermaljaars | 0:7c12d0922052 | 81 | bleIsConnected = false; |
pietermaljaars | 0:7c12d0922052 | 82 | } |
pietermaljaars | 0:7c12d0922052 | 83 | |
pietermaljaars | 0:7c12d0922052 | 84 | void tick(void) |
pietermaljaars | 0:7c12d0922052 | 85 | { |
pietermaljaars | 0:7c12d0922052 | 86 | green = !green; |
pietermaljaars | 3:7875f062a4ea | 87 | startMeasure = true; // notify the main-loop to start measuring the MPU6050 |
pietermaljaars | 0:7c12d0922052 | 88 | } |
pietermaljaars | 0:7c12d0922052 | 89 | |
pietermaljaars | 2:bf1a19d489eb | 90 | // timer callback function to measure the ADC battery level |
pietermaljaars | 2:bf1a19d489eb | 91 | void batteryMonitorCallback(void) |
pietermaljaars | 2:bf1a19d489eb | 92 | { |
pietermaljaars | 2:bf1a19d489eb | 93 | float sample; |
pietermaljaars | 2:bf1a19d489eb | 94 | |
pietermaljaars | 2:bf1a19d489eb | 95 | sample = battery.read(); |
pietermaljaars | 2:bf1a19d489eb | 96 | /* cannot use (uart.)printf() in a ISR like this. */ |
pietermaljaars | 2:bf1a19d489eb | 97 | batteryVoltage = sample; |
pietermaljaars | 2:bf1a19d489eb | 98 | batteryVoltageChanged = true; |
pietermaljaars | 2:bf1a19d489eb | 99 | } |
pietermaljaars | 2:bf1a19d489eb | 100 | |
pietermaljaars | 0:7c12d0922052 | 101 | void detect(void) |
pietermaljaars | 0:7c12d0922052 | 102 | { |
pietermaljaars | 0:7c12d0922052 | 103 | LOG("Button pressed\n"); |
pietermaljaars | 0:7c12d0922052 | 104 | blue = !blue; |
pietermaljaars | 0:7c12d0922052 | 105 | } |
pietermaljaars | 0:7c12d0922052 | 106 | |
pietermaljaars | 0:7c12d0922052 | 107 | |
pietermaljaars | 0:7c12d0922052 | 108 | int main(void) |
pietermaljaars | 0:7c12d0922052 | 109 | { |
pietermaljaars | 0:7c12d0922052 | 110 | blue = 1; |
pietermaljaars | 0:7c12d0922052 | 111 | green = 1; |
pietermaljaars | 0:7c12d0922052 | 112 | red = 1; |
pietermaljaars | 0:7c12d0922052 | 113 | |
pietermaljaars | 0:7c12d0922052 | 114 | pc.baud(115200); |
pietermaljaars | 0:7c12d0922052 | 115 | |
pietermaljaars | 0:7c12d0922052 | 116 | wait(1); |
pietermaljaars | 0:7c12d0922052 | 117 | |
pietermaljaars | 0:7c12d0922052 | 118 | LOG("---- Seeed Tiny BLE ----\n"); |
pietermaljaars | 0:7c12d0922052 | 119 | |
pietermaljaars | 0:7c12d0922052 | 120 | |
pietermaljaars | 3:7875f062a4ea | 121 | LOG("MPU6050 testConnection \n"); |
pietermaljaars | 3:7875f062a4ea | 122 | bool mpu6050TestResult = mpu.testConnection(); |
pietermaljaars | 3:7875f062a4ea | 123 | if(mpu6050TestResult) { |
pietermaljaars | 3:7875f062a4ea | 124 | LOG("MPU6050 test passed \n"); |
pietermaljaars | 3:7875f062a4ea | 125 | } else { |
pietermaljaars | 3:7875f062a4ea | 126 | LOG("MPU6050 test failed \n"); |
pietermaljaars | 0:7c12d0922052 | 127 | } |
pietermaljaars | 0:7c12d0922052 | 128 | |
pietermaljaars | 0:7c12d0922052 | 129 | Ticker ticker; |
pietermaljaars | 3:7875f062a4ea | 130 | ticker.attach(tick, 5); |
pietermaljaars | 2:bf1a19d489eb | 131 | |
pietermaljaars | 2:bf1a19d489eb | 132 | Ticker batteryMonitorTicker; |
pietermaljaars | 2:bf1a19d489eb | 133 | batteryMonitorTicker.attach(batteryMonitorCallback, 60.0f); |
pietermaljaars | 0:7c12d0922052 | 134 | |
pietermaljaars | 0:7c12d0922052 | 135 | button.fall(detect); |
pietermaljaars | 0:7c12d0922052 | 136 | |
pietermaljaars | 0:7c12d0922052 | 137 | LOG("Initialising the nRF51822\n"); |
pietermaljaars | 0:7c12d0922052 | 138 | ble.init(); |
pietermaljaars | 0:7c12d0922052 | 139 | ble.gap().onDisconnection(disconnectionCallback); |
pietermaljaars | 0:7c12d0922052 | 140 | ble.gap().onConnection(connectionCallback); |
pietermaljaars | 1:b529e733ab71 | 141 | |
pietermaljaars | 1:b529e733ab71 | 142 | uint8_t name[] = "iot aabbccddeeff"; |
pietermaljaars | 1:b529e733ab71 | 143 | |
pietermaljaars | 1:b529e733ab71 | 144 | Gap::AddressType_t addr_type; |
pietermaljaars | 1:b529e733ab71 | 145 | Gap::Address_t address; |
pietermaljaars | 1:b529e733ab71 | 146 | ble_error_t error = ble.gap().getAddress(&addr_type, address); |
pietermaljaars | 1:b529e733ab71 | 147 | if (error == BLE_ERROR_NONE) { |
pietermaljaars | 1:b529e733ab71 | 148 | for (int i = 5; i >= 0; i--){ |
pietermaljaars | 1:b529e733ab71 | 149 | char buffer[3]; |
pietermaljaars | 1:b529e733ab71 | 150 | sprintf(buffer, "%02x", address[i]); |
pietermaljaars | 1:b529e733ab71 | 151 | name[4 + ((5-i)*2)] = buffer[0]; |
pietermaljaars | 1:b529e733ab71 | 152 | name[4 + ((5-i)*2) + 1] = buffer[1]; |
pietermaljaars | 1:b529e733ab71 | 153 | } |
pietermaljaars | 1:b529e733ab71 | 154 | } |
pietermaljaars | 1:b529e733ab71 | 155 | LOG("name = %s\n", name); |
pietermaljaars | 1:b529e733ab71 | 156 | |
pietermaljaars | 0:7c12d0922052 | 157 | /* setup advertising */ |
pietermaljaars | 0:7c12d0922052 | 158 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
pietermaljaars | 0:7c12d0922052 | 159 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
pietermaljaars | 0:7c12d0922052 | 160 | ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, |
pietermaljaars | 1:b529e733ab71 | 161 | name, sizeof(name)); |
pietermaljaars | 0:7c12d0922052 | 162 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, |
pietermaljaars | 0:7c12d0922052 | 163 | (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); |
pietermaljaars | 0:7c12d0922052 | 164 | DFUService dfu(ble); |
pietermaljaars | 0:7c12d0922052 | 165 | UARTService uartService(ble); |
pietermaljaars | 0:7c12d0922052 | 166 | uartServicePtr = &uartService; |
pietermaljaars | 0:7c12d0922052 | 167 | //uartService.retargetStdout(); |
pietermaljaars | 2:bf1a19d489eb | 168 | BatteryService battery(ble); |
pietermaljaars | 2:bf1a19d489eb | 169 | DeviceInformationService deviceInfo(ble, MANUFACTURER, MODELNUMBER, SERIALNUMBER, HARDWAREREVISION, FIRMWAREREVISION, SOFTWAREREVISION); |
pietermaljaars | 0:7c12d0922052 | 170 | |
pietermaljaars | 0:7c12d0922052 | 171 | ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */ |
pietermaljaars | 0:7c12d0922052 | 172 | ble.gap().startAdvertising(); |
pietermaljaars | 0:7c12d0922052 | 173 | |
pietermaljaars | 0:7c12d0922052 | 174 | while (true) { |
pietermaljaars | 3:7875f062a4ea | 175 | ble.waitForEvent(); |
pietermaljaars | 3:7875f062a4ea | 176 | |
pietermaljaars | 3:7875f062a4ea | 177 | // update battery level after the level is measured |
pietermaljaars | 3:7875f062a4ea | 178 | if (batteryVoltageChanged == true) { |
pietermaljaars | 3:7875f062a4ea | 179 | LOG("VBat: %4.3f, ADC: %4.3f, Vadc: %4.3f\n", batteryVoltage*2.0f, batteryVoltage, batteryVoltage*3.3f); |
pietermaljaars | 3:7875f062a4ea | 180 | battery.updateBatteryLevel((uint8_t)(batteryVoltage*100.0f)); // input is 0-1.0 of 3.3V -> *100 = percentage of 3.3V |
pietermaljaars | 3:7875f062a4ea | 181 | batteryVoltageChanged = false; |
pietermaljaars | 3:7875f062a4ea | 182 | } |
pietermaljaars | 3:7875f062a4ea | 183 | else if (startMeasure == true) { |
pietermaljaars | 4:aea4ff8e52ef | 184 | float a[3]; |
pietermaljaars | 3:7875f062a4ea | 185 | mpu.getAccelero(a); |
pietermaljaars | 4:aea4ff8e52ef | 186 | LOG("Acceleration %.2f;%.2f;%.2f\n", a[0], a[1], a[2]); |
pietermaljaars | 3:7875f062a4ea | 187 | startMeasure = false; |
pietermaljaars | 0:7c12d0922052 | 188 | |
pietermaljaars | 3:7875f062a4ea | 189 | float temp = mpu.getTemp(); |
pietermaljaars | 3:7875f062a4ea | 190 | LOG("Temp = %f\n", temp); |
pietermaljaars | 0:7c12d0922052 | 191 | } |
pietermaljaars | 0:7c12d0922052 | 192 | } |
pietermaljaars | 0:7c12d0922052 | 193 | } |
pietermaljaars | 0:7c12d0922052 | 194 |