this is program how build nRF51822 to get ADXL345 data
Dependencies: BLE_API mbed nRF51822
Fork of ADXL345_I2C by
main.cpp@5:8242f251bcac, 2017-12-04 (annotated)
- Committer:
- asyrofi
- Date:
- Mon Dec 04 15:11:37 2017 +0000
- Revision:
- 5:8242f251bcac
- Parent:
- 4:a57b495be9fa
- Child:
- 6:bc835d0f686f
sipp
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
peterswanson87 | 0:d0adb548714f | 1 | #include "ADXL345_I2C.h" |
asyrofi | 2:99e00e9c5035 | 2 | #include "mbed.h" |
asyrofi | 2:99e00e9c5035 | 3 | #include "ble/BLE.h" |
asyrofi | 3:1749778af065 | 4 | #include "ble/services/UARTService.h" |
asyrofi | 3:1749778af065 | 5 | #include "Serial.h" |
asyrofi | 2:99e00e9c5035 | 6 | |
asyrofi | 3:1749778af065 | 7 | #define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console; |
asyrofi | 2:99e00e9c5035 | 8 | * it will have an impact on code-size and power consumption. */ |
asyrofi | 2:99e00e9c5035 | 9 | |
asyrofi | 2:99e00e9c5035 | 10 | #if NEED_CONSOLE_OUTPUT |
asyrofi | 2:99e00e9c5035 | 11 | #define DEBUG(...) { printf(__VA_ARGS__); } |
asyrofi | 2:99e00e9c5035 | 12 | #else |
asyrofi | 2:99e00e9c5035 | 13 | #define DEBUG(...) /* nothing */ |
asyrofi | 2:99e00e9c5035 | 14 | #endif /* #if NEED_CONSOLE_OUTPUT */ |
peterswanson87 | 0:d0adb548714f | 15 | |
asyrofi | 4:a57b495be9fa | 16 | ADXL345_I2C accelerometer(p30, p7); |
asyrofi | 2:99e00e9c5035 | 17 | BLEDevice ble; |
asyrofi | 2:99e00e9c5035 | 18 | DigitalOut led1(LED1); |
asyrofi | 3:1749778af065 | 19 | Serial uart1(USBTX,USBRX); |
asyrofi | 2:99e00e9c5035 | 20 | UARTService *uartServicePtr; |
asyrofi | 5:8242f251bcac | 21 | uint8_t sFlag = 0; |
asyrofi | 2:99e00e9c5035 | 22 | |
asyrofi | 2:99e00e9c5035 | 23 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) |
asyrofi | 2:99e00e9c5035 | 24 | { |
asyrofi | 2:99e00e9c5035 | 25 | DEBUG("Disconnected!\n\r"); |
asyrofi | 2:99e00e9c5035 | 26 | DEBUG("Restarting the advertising process\n\r"); |
asyrofi | 2:99e00e9c5035 | 27 | ble.startAdvertising(); |
asyrofi | 2:99e00e9c5035 | 28 | } |
asyrofi | 2:99e00e9c5035 | 29 | |
asyrofi | 3:1749778af065 | 30 | void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { |
asyrofi | 3:1749778af065 | 31 | |
asyrofi | 3:1749778af065 | 32 | DEBUG("Connected!\n\r"); |
asyrofi | 3:1749778af065 | 33 | |
asyrofi | 3:1749778af065 | 34 | } |
asyrofi | 3:1749778af065 | 35 | |
asyrofi | 3:1749778af065 | 36 | uint8_t b[40]={'a','d','q','w'}; |
asyrofi | 2:99e00e9c5035 | 37 | void onDataWritten(const GattWriteCallbackParams *params) |
asyrofi | 2:99e00e9c5035 | 38 | { |
asyrofi | 2:99e00e9c5035 | 39 | if ((uartServicePtr != NULL) && (params->handle == uartServicePtr->getTXCharacteristicHandle())) { |
asyrofi | 2:99e00e9c5035 | 40 | uint16_t bytesRead = params->len; |
asyrofi | 3:1749778af065 | 41 | DEBUG("received %u bytes %s\n\r", bytesRead,params->data); |
asyrofi | 3:1749778af065 | 42 | /*uint16_t bytesRead = params->len; |
asyrofi | 2:99e00e9c5035 | 43 | DEBUG("received %u bytes\n\r", bytesRead); |
asyrofi | 3:1749778af065 | 44 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead);*/ |
asyrofi | 2:99e00e9c5035 | 45 | } |
asyrofi | 2:99e00e9c5035 | 46 | } |
asyrofi | 2:99e00e9c5035 | 47 | |
asyrofi | 2:99e00e9c5035 | 48 | void periodicCallback(void) |
asyrofi | 2:99e00e9c5035 | 49 | { |
asyrofi | 2:99e00e9c5035 | 50 | led1 = !led1; |
asyrofi | 2:99e00e9c5035 | 51 | } |
asyrofi | 2:99e00e9c5035 | 52 | |
asyrofi | 5:8242f251bcac | 53 | uint8_t c; |
asyrofi | 5:8242f251bcac | 54 | void uartRx(void) |
asyrofi | 5:8242f251bcac | 55 | { |
asyrofi | 5:8242f251bcac | 56 | |
asyrofi | 5:8242f251bcac | 57 | c = uart1.getc(); |
asyrofi | 5:8242f251bcac | 58 | |
asyrofi | 5:8242f251bcac | 59 | if(sFlag < 39) |
asyrofi | 5:8242f251bcac | 60 | b[sFlag++] = c; |
asyrofi | 5:8242f251bcac | 61 | |
asyrofi | 5:8242f251bcac | 62 | if(c == '\r' || c == '\n' || sFlag == 15) |
asyrofi | 5:8242f251bcac | 63 | { |
asyrofi | 5:8242f251bcac | 64 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t*)b/*params->data*/, sFlag/*bytesRead*/); |
asyrofi | 5:8242f251bcac | 65 | sFlag = 0; |
asyrofi | 5:8242f251bcac | 66 | } |
asyrofi | 5:8242f251bcac | 67 | } |
asyrofi | 5:8242f251bcac | 68 | |
asyrofi | 3:1749778af065 | 69 | |
peterswanson87 | 0:d0adb548714f | 70 | |
peterswanson87 | 0:d0adb548714f | 71 | int main() { |
asyrofi | 4:a57b495be9fa | 72 | uart1.baud(9600); |
peterswanson87 | 0:d0adb548714f | 73 | int readings[3] = {0, 0, 0}; |
asyrofi | 4:a57b495be9fa | 74 | uart1.printf("Starting ADXL345 test...\n"); |
peterswanson87 | 0:d0adb548714f | 75 | wait(.001); |
asyrofi | 4:a57b495be9fa | 76 | uart1.printf("Device ID is: 0x%02x\n", accelerometer.getDeviceID()); |
asyrofi | 3:1749778af065 | 77 | wait(.001); |
peterswanson87 | 0:d0adb548714f | 78 | |
asyrofi | 2:99e00e9c5035 | 79 | //Go into standby mode to configure the device. |
asyrofi | 2:99e00e9c5035 | 80 | accelerometer.setPowerControl(0x00); |
asyrofi | 2:99e00e9c5035 | 81 | |
asyrofi | 2:99e00e9c5035 | 82 | //Full resolution, +/-16g, 4mg/LSB. |
asyrofi | 2:99e00e9c5035 | 83 | accelerometer.setDataFormatControl(0x0B); |
asyrofi | 2:99e00e9c5035 | 84 | |
asyrofi | 2:99e00e9c5035 | 85 | //3.2kHz data rate. |
asyrofi | 2:99e00e9c5035 | 86 | accelerometer.setDataRate(ADXL345_3200HZ); |
asyrofi | 2:99e00e9c5035 | 87 | |
asyrofi | 2:99e00e9c5035 | 88 | //Measurement mode. |
asyrofi | 2:99e00e9c5035 | 89 | accelerometer.setPowerControl(0x08); |
asyrofi | 2:99e00e9c5035 | 90 | |
asyrofi | 2:99e00e9c5035 | 91 | led1 = 1; |
asyrofi | 3:1749778af065 | 92 | uart1.baud(9600); |
asyrofi | 2:99e00e9c5035 | 93 | Ticker ticker; |
asyrofi | 2:99e00e9c5035 | 94 | ticker.attach(periodicCallback, 1); |
asyrofi | 5:8242f251bcac | 95 | uart1.attach(uartRx,Serial::RxIrq); |
asyrofi | 4:a57b495be9fa | 96 | |
asyrofi | 4:a57b495be9fa | 97 | |
asyrofi | 2:99e00e9c5035 | 98 | DEBUG("Initialising the nRF51822\n\r"); |
asyrofi | 2:99e00e9c5035 | 99 | ble.init(); |
asyrofi | 2:99e00e9c5035 | 100 | ble.onDisconnection(disconnectionCallback); |
asyrofi | 3:1749778af065 | 101 | ble.onConnection(connectionCallback); |
asyrofi | 2:99e00e9c5035 | 102 | ble.onDataWritten(onDataWritten); |
asyrofi | 2:99e00e9c5035 | 103 | |
asyrofi | 2:99e00e9c5035 | 104 | /* setup advertising */ |
asyrofi | 2:99e00e9c5035 | 105 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
asyrofi | 2:99e00e9c5035 | 106 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
asyrofi | 2:99e00e9c5035 | 107 | ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, |
asyrofi | 2:99e00e9c5035 | 108 | (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1); |
asyrofi | 2:99e00e9c5035 | 109 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, |
asyrofi | 2:99e00e9c5035 | 110 | (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); |
asyrofi | 2:99e00e9c5035 | 111 | |
asyrofi | 2:99e00e9c5035 | 112 | ble.setAdvertisingInterval(1000); /* 1000ms; in multiples of 0.625ms. */ |
asyrofi | 2:99e00e9c5035 | 113 | ble.startAdvertising(); |
asyrofi | 2:99e00e9c5035 | 114 | |
asyrofi | 2:99e00e9c5035 | 115 | UARTService uartService(ble); |
asyrofi | 2:99e00e9c5035 | 116 | uartServicePtr = &uartService; |
peterswanson87 | 0:d0adb548714f | 117 | |
asyrofi | 4:a57b495be9fa | 118 | while (1) |
asyrofi | 4:a57b495be9fa | 119 | { |
asyrofi | 2:99e00e9c5035 | 120 | ble.waitForEvent(); |
peterswanson87 | 0:d0adb548714f | 121 | wait(0.1); |
peterswanson87 | 0:d0adb548714f | 122 | accelerometer.getOutput(readings); |
asyrofi | 5:8242f251bcac | 123 | uart1.printf("%i, %i, %i\n", (int16_t)readings[0], (int16_t)readings[1], (int16_t)readings[2]); |
asyrofi | 5:8242f251bcac | 124 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t*)readings[0]/*params->data*/, sizeof(readings),false/*bytesRead*/); |
asyrofi | 5:8242f251bcac | 125 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t*)readings[1]/*params->data*/, sizeof(readings),false/*bytesRead*/); |
asyrofi | 5:8242f251bcac | 126 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t*)readings[2]/*params->data*/, sizeof(readings),false/*bytesRead*/); |
peterswanson87 | 0:d0adb548714f | 127 | } |
peterswanson87 | 0:d0adb548714f | 128 | |
peterswanson87 | 0:d0adb548714f | 129 | } |