Diff: main.cpp

Revision:

1:cfb4bb8f33e9

Parent:

0:9e92575dece6

Child:

2:89f008ca5911

--- a/main.cpp	Tue Aug 03 08:31:00 2010 +0000
+++ b/main.cpp	Thu Dec 07 06:31:23 2017 +0000
@@ -1,14 +1,68 @@
+#include "mbed.h"
+#include "ble/BLE.h"
+#include "ble/services/UARTService.h"
+#include "Serial.h"
 #include "ADXL345.h"
+#include "mbed.h"
+
+#define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console;
+                               * it will have an impact on code-size and power consumption. */
+
+#if NEED_CONSOLE_OUTPUT
+#define DEBUG(...) { printf(__VA_ARGS__); }
+#else
+#define DEBUG(...) /* nothing */
+#endif /* #if NEED_CONSOLE_OUTPUT */
+
+BLEDevice  ble;
+DigitalOut led1(LED1);
+Serial uart1(USBTX,USBRX);
+UARTService *uartServicePtr;
+ADXL345 accelerometer(p5, p6, p7, p8); // (SDA, SDO, SCL, CS);
+
+uint8_t sFlag = 0;
 
-ADXL345 accelerometer(p5, p6, p7, p8);
-Serial pc(USBTX, USBRX);
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
+{
+    DEBUG("Disconnected!\n\r");
+    DEBUG("Restarting the advertising process\n\r");
+    ble.startAdvertising();
+}
+
+void connectionCallback(const Gap::ConnectionCallbackParams_t *params) {
+   
+    DEBUG("Connected!\n\r");
+    
+}
+
+
+uint8_t b[40]={'a','d','q','w'};
+void onDataWritten1(const GattWriteCallbackParams *params)
+{
+    
+    
+    if ((uartServicePtr != NULL) && (params->handle == uartServicePtr->getTXCharacteristicHandle())) {
+        uint16_t bytesRead = params->len;
+        DEBUG("received %u bytes %s\n\r", bytesRead,params->data);
+       // if(sFlag == 1)
+       //     ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t*)b/*params->data*/, 4/*bytesRead*/);
+    }
+}
+
+
+void periodicCallback(void)
+{
+    led1 = !led1;
+    
+}
+
 
 int main() {
 
     int readings[3] = {0, 0, 0};
     
-    pc.printf("Starting ADXL345 test...\n");
-    pc.printf("Device ID is: 0x%02x\n", accelerometer.getDevId());
+    uart1.printf("Starting ADXL345 test...\n");
+    uart1.printf("Device ID is: 0x%02x\n", accelerometer.getDevId());
 
     //Go into standby mode to configure the device.
     accelerometer.setPowerControl(0x00);
@@ -21,15 +75,42 @@
 
     //Measurement mode.
     accelerometer.setPowerControl(0x08);
+    
+    led1 = 1;
+    uart1.baud(9600);
+    Ticker ticker;
+    ticker.attach(periodicCallback, 1);
+    
+    DEBUG("Initialising the nRF51822\n\r");
+    ble.init();
+    ble.onDisconnection(disconnectionCallback);
+    ble.onConnection(connectionCallback);
+    ble.onDataWritten(onDataWritten1);
+
+    /* setup advertising */
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
+    ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
+                                     (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1);
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
+                                     (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
+
+    ble.setAdvertisingInterval(1000); /* 1000ms; in multiples of 0.625ms. */
+    ble.startAdvertising();
+
+    UARTService uartService(ble);
+    uartServicePtr = &uartService;
 
     while (1) {
-    
+        ble.waitForEvent();
         wait(0.1);
-        
         accelerometer.getOutput(readings);
         
         //13-bit, sign extended values.
-        pc.printf("%i, %i, %i\n", (int16_t)readings[0], (int16_t)readings[1], (int16_t)readings[2]);
+        uart1.printf("%i, %i, %i\n", (int16_t)readings[0], (int16_t)readings[1], (int16_t)readings[2]);
+        ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (uint8_t*)readings[0]/*params->data*/, sizeof(readings),false/*bytesRead*/);
+        ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (uint8_t*)readings[1]/*params->data*/, sizeof(readings),false/*bytesRead*/);
+        ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (uint8_t*)readings[2]/*params->data*/, sizeof(readings),false/*bytesRead*/);
 
     }