this is implement of uart adxl345 ble nrf51
Dependencies: BLE_API adxl345 mbed nRF51822
Fork of ADXL345_HelloWorld by
main.cpp@1:cfb4bb8f33e9, 2017-12-07 (annotated)
- Committer:
- asyrofi
- Date:
- Thu Dec 07 06:31:23 2017 +0000
- Revision:
- 1:cfb4bb8f33e9
- Parent:
- 0:9e92575dece6
- Child:
- 2:89f008ca5911
zxcvasdqw1;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
asyrofi | 1:cfb4bb8f33e9 | 1 | #include "mbed.h" |
asyrofi | 1:cfb4bb8f33e9 | 2 | #include "ble/BLE.h" |
asyrofi | 1:cfb4bb8f33e9 | 3 | #include "ble/services/UARTService.h" |
asyrofi | 1:cfb4bb8f33e9 | 4 | #include "Serial.h" |
aberk | 0:9e92575dece6 | 5 | #include "ADXL345.h" |
asyrofi | 1:cfb4bb8f33e9 | 6 | #include "mbed.h" |
asyrofi | 1:cfb4bb8f33e9 | 7 | |
asyrofi | 1:cfb4bb8f33e9 | 8 | #define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console; |
asyrofi | 1:cfb4bb8f33e9 | 9 | * it will have an impact on code-size and power consumption. */ |
asyrofi | 1:cfb4bb8f33e9 | 10 | |
asyrofi | 1:cfb4bb8f33e9 | 11 | #if NEED_CONSOLE_OUTPUT |
asyrofi | 1:cfb4bb8f33e9 | 12 | #define DEBUG(...) { printf(__VA_ARGS__); } |
asyrofi | 1:cfb4bb8f33e9 | 13 | #else |
asyrofi | 1:cfb4bb8f33e9 | 14 | #define DEBUG(...) /* nothing */ |
asyrofi | 1:cfb4bb8f33e9 | 15 | #endif /* #if NEED_CONSOLE_OUTPUT */ |
asyrofi | 1:cfb4bb8f33e9 | 16 | |
asyrofi | 1:cfb4bb8f33e9 | 17 | BLEDevice ble; |
asyrofi | 1:cfb4bb8f33e9 | 18 | DigitalOut led1(LED1); |
asyrofi | 1:cfb4bb8f33e9 | 19 | Serial uart1(USBTX,USBRX); |
asyrofi | 1:cfb4bb8f33e9 | 20 | UARTService *uartServicePtr; |
asyrofi | 1:cfb4bb8f33e9 | 21 | ADXL345 accelerometer(p5, p6, p7, p8); // (SDA, SDO, SCL, CS); |
asyrofi | 1:cfb4bb8f33e9 | 22 | |
asyrofi | 1:cfb4bb8f33e9 | 23 | uint8_t sFlag = 0; |
aberk | 0:9e92575dece6 | 24 | |
asyrofi | 1:cfb4bb8f33e9 | 25 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) |
asyrofi | 1:cfb4bb8f33e9 | 26 | { |
asyrofi | 1:cfb4bb8f33e9 | 27 | DEBUG("Disconnected!\n\r"); |
asyrofi | 1:cfb4bb8f33e9 | 28 | DEBUG("Restarting the advertising process\n\r"); |
asyrofi | 1:cfb4bb8f33e9 | 29 | ble.startAdvertising(); |
asyrofi | 1:cfb4bb8f33e9 | 30 | } |
asyrofi | 1:cfb4bb8f33e9 | 31 | |
asyrofi | 1:cfb4bb8f33e9 | 32 | void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { |
asyrofi | 1:cfb4bb8f33e9 | 33 | |
asyrofi | 1:cfb4bb8f33e9 | 34 | DEBUG("Connected!\n\r"); |
asyrofi | 1:cfb4bb8f33e9 | 35 | |
asyrofi | 1:cfb4bb8f33e9 | 36 | } |
asyrofi | 1:cfb4bb8f33e9 | 37 | |
asyrofi | 1:cfb4bb8f33e9 | 38 | |
asyrofi | 1:cfb4bb8f33e9 | 39 | uint8_t b[40]={'a','d','q','w'}; |
asyrofi | 1:cfb4bb8f33e9 | 40 | void onDataWritten1(const GattWriteCallbackParams *params) |
asyrofi | 1:cfb4bb8f33e9 | 41 | { |
asyrofi | 1:cfb4bb8f33e9 | 42 | |
asyrofi | 1:cfb4bb8f33e9 | 43 | |
asyrofi | 1:cfb4bb8f33e9 | 44 | if ((uartServicePtr != NULL) && (params->handle == uartServicePtr->getTXCharacteristicHandle())) { |
asyrofi | 1:cfb4bb8f33e9 | 45 | uint16_t bytesRead = params->len; |
asyrofi | 1:cfb4bb8f33e9 | 46 | DEBUG("received %u bytes %s\n\r", bytesRead,params->data); |
asyrofi | 1:cfb4bb8f33e9 | 47 | // if(sFlag == 1) |
asyrofi | 1:cfb4bb8f33e9 | 48 | // ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t*)b/*params->data*/, 4/*bytesRead*/); |
asyrofi | 1:cfb4bb8f33e9 | 49 | } |
asyrofi | 1:cfb4bb8f33e9 | 50 | } |
asyrofi | 1:cfb4bb8f33e9 | 51 | |
asyrofi | 1:cfb4bb8f33e9 | 52 | |
asyrofi | 1:cfb4bb8f33e9 | 53 | void periodicCallback(void) |
asyrofi | 1:cfb4bb8f33e9 | 54 | { |
asyrofi | 1:cfb4bb8f33e9 | 55 | led1 = !led1; |
asyrofi | 1:cfb4bb8f33e9 | 56 | |
asyrofi | 1:cfb4bb8f33e9 | 57 | } |
asyrofi | 1:cfb4bb8f33e9 | 58 | |
aberk | 0:9e92575dece6 | 59 | |
aberk | 0:9e92575dece6 | 60 | int main() { |
aberk | 0:9e92575dece6 | 61 | |
aberk | 0:9e92575dece6 | 62 | int readings[3] = {0, 0, 0}; |
aberk | 0:9e92575dece6 | 63 | |
asyrofi | 1:cfb4bb8f33e9 | 64 | uart1.printf("Starting ADXL345 test...\n"); |
asyrofi | 1:cfb4bb8f33e9 | 65 | uart1.printf("Device ID is: 0x%02x\n", accelerometer.getDevId()); |
aberk | 0:9e92575dece6 | 66 | |
aberk | 0:9e92575dece6 | 67 | //Go into standby mode to configure the device. |
aberk | 0:9e92575dece6 | 68 | accelerometer.setPowerControl(0x00); |
aberk | 0:9e92575dece6 | 69 | |
aberk | 0:9e92575dece6 | 70 | //Full resolution, +/-16g, 4mg/LSB. |
aberk | 0:9e92575dece6 | 71 | accelerometer.setDataFormatControl(0x0B); |
aberk | 0:9e92575dece6 | 72 | |
aberk | 0:9e92575dece6 | 73 | //3.2kHz data rate. |
aberk | 0:9e92575dece6 | 74 | accelerometer.setDataRate(ADXL345_3200HZ); |
aberk | 0:9e92575dece6 | 75 | |
aberk | 0:9e92575dece6 | 76 | //Measurement mode. |
aberk | 0:9e92575dece6 | 77 | accelerometer.setPowerControl(0x08); |
asyrofi | 1:cfb4bb8f33e9 | 78 | |
asyrofi | 1:cfb4bb8f33e9 | 79 | led1 = 1; |
asyrofi | 1:cfb4bb8f33e9 | 80 | uart1.baud(9600); |
asyrofi | 1:cfb4bb8f33e9 | 81 | Ticker ticker; |
asyrofi | 1:cfb4bb8f33e9 | 82 | ticker.attach(periodicCallback, 1); |
asyrofi | 1:cfb4bb8f33e9 | 83 | |
asyrofi | 1:cfb4bb8f33e9 | 84 | DEBUG("Initialising the nRF51822\n\r"); |
asyrofi | 1:cfb4bb8f33e9 | 85 | ble.init(); |
asyrofi | 1:cfb4bb8f33e9 | 86 | ble.onDisconnection(disconnectionCallback); |
asyrofi | 1:cfb4bb8f33e9 | 87 | ble.onConnection(connectionCallback); |
asyrofi | 1:cfb4bb8f33e9 | 88 | ble.onDataWritten(onDataWritten1); |
asyrofi | 1:cfb4bb8f33e9 | 89 | |
asyrofi | 1:cfb4bb8f33e9 | 90 | /* setup advertising */ |
asyrofi | 1:cfb4bb8f33e9 | 91 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
asyrofi | 1:cfb4bb8f33e9 | 92 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
asyrofi | 1:cfb4bb8f33e9 | 93 | ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, |
asyrofi | 1:cfb4bb8f33e9 | 94 | (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1); |
asyrofi | 1:cfb4bb8f33e9 | 95 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, |
asyrofi | 1:cfb4bb8f33e9 | 96 | (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); |
asyrofi | 1:cfb4bb8f33e9 | 97 | |
asyrofi | 1:cfb4bb8f33e9 | 98 | ble.setAdvertisingInterval(1000); /* 1000ms; in multiples of 0.625ms. */ |
asyrofi | 1:cfb4bb8f33e9 | 99 | ble.startAdvertising(); |
asyrofi | 1:cfb4bb8f33e9 | 100 | |
asyrofi | 1:cfb4bb8f33e9 | 101 | UARTService uartService(ble); |
asyrofi | 1:cfb4bb8f33e9 | 102 | uartServicePtr = &uartService; |
aberk | 0:9e92575dece6 | 103 | |
aberk | 0:9e92575dece6 | 104 | while (1) { |
asyrofi | 1:cfb4bb8f33e9 | 105 | ble.waitForEvent(); |
aberk | 0:9e92575dece6 | 106 | wait(0.1); |
aberk | 0:9e92575dece6 | 107 | accelerometer.getOutput(readings); |
aberk | 0:9e92575dece6 | 108 | |
aberk | 0:9e92575dece6 | 109 | //13-bit, sign extended values. |
asyrofi | 1:cfb4bb8f33e9 | 110 | uart1.printf("%i, %i, %i\n", (int16_t)readings[0], (int16_t)readings[1], (int16_t)readings[2]); |
asyrofi | 1:cfb4bb8f33e9 | 111 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (uint8_t*)readings[0]/*params->data*/, sizeof(readings),false/*bytesRead*/); |
asyrofi | 1:cfb4bb8f33e9 | 112 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (uint8_t*)readings[1]/*params->data*/, sizeof(readings),false/*bytesRead*/); |
asyrofi | 1:cfb4bb8f33e9 | 113 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (uint8_t*)readings[2]/*params->data*/, sizeof(readings),false/*bytesRead*/); |
aberk | 0:9e92575dece6 | 114 | |
aberk | 0:9e92575dece6 | 115 | } |
aberk | 0:9e92575dece6 | 116 | |
aberk | 0:9e92575dece6 | 117 | } |