Diff: main.cpp.orig

Revision:

20:fcc752d401ec

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp.orig	Tue Oct 20 13:46:23 2015 +0000
@@ -0,0 +1,87 @@
+#include "mbed.h"
+#include "ble/BLE.h"
+
+BLE ble;
+DigitalOut led(LED1, 1);
+uint16_t customServiceUUID  = 0xA000;
+uint16_t readCharUUID       = 0xA001;
+uint16_t writeCharUUID      = 0xA002;
+
+const static char     DEVICE_NAME[]        = "ChangeMe!!"; // change this
+static const uint16_t uuid16_list[]        = {0xFFFF}; //Custom UUID, FFFF is reserved for development
+
+// Set Up custom Characteristics
+static uint8_t readValue[10] = {0};
+ReadOnlyArrayGattCharacteristic<uint8_t, sizeof(readValue)> readChar(readCharUUID, readValue);
+
+static uint8_t writeValue[10] = {0};
+WriteOnlyArrayGattCharacteristic<uint8_t, sizeof(writeValue)> writeChar(writeCharUUID, writeValue);
+
+// Set up custom service
+GattCharacteristic *characteristics[] = {&readChar, &writeChar};
+GattService        customService(customServiceUUID, characteristics, sizeof(characteristics) / sizeof(GattCharacteristic *));
+
+
+/*
+ *  Restart advertising when phone app disconnects
+*/
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *)
+{
+    ble.gap().startAdvertising();
+}
+
+/*
+ *  handle writes to writeCharacteristic
+*/
+void writeCharCallback(const GattWriteCallbackParams *params)
+{
+    // check to see what characteristic was written, by handle
+    if(params->handle == writeChar.getValueHandle()) {
+        // toggle LED if only 1 byte is written
+        if(params->len == 1) {
+            led = params->data[0];
+            (params->data[0] == 0x00) ? printf("led on\n\r") : printf("led off\n\r"); // print led toggle
+        }
+        // print the data if more than 1 byte is written
+        else {
+            printf("Data received: length = %d, data = 0x",params->len);
+            for(int x=0; x < params->len; x++) {
+                printf("%x", params->data[x]);
+            }
+            printf("\n\r");
+        }
+        // update the readChar with the value of writeChar
+        ble.updateCharacteristicValue(readChar.getValueHandle(), params->data,params->len);
+    }
+}
+
+/*
+ *  main loop
+*/
+int
+main(void)
+{
+    /* initialize stuff */
+    printf("\n\r********* Starting Main Loop *********\n\r");
+    ble.init();
+    ble.gap().onDisconnection(disconnectionCallback);
+    ble.gattServer().onDataWritten(writeCharCallback);
+
+    /* setup advertising */
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); // BLE only, no classic BT
+    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); // advertising type
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); // add name
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); // UUID's broadcast in advertising packet
+    ble.gap().setAdvertisingInterval(100); // 100ms.
+
+    // add our custom service
+    ble.addService(customService);
+
+    // start advertising
+    ble.gap().startAdvertising();
+
+    // infinite loop waiting for BLE interrupt events
+    while (true) {
+        ble.waitForEvent(); //Save power
+    }
+}