Diff: main.cpp

Revision:

0:cc32f8c167de

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jun 18 03:58:23 2015 +0000
@@ -0,0 +1,191 @@
+#include "mbed.h"
+#include "AD9850.h"
+#include "BLEDevice.h"
+
+#define DEBUG 1
+
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+Ticker ticker;
+Serial		pc(P0_9, P0_11);
+DigitalOut  led1(P0_18);
+DigitalOut  led2(P0_19);
+DigitalIn   btn1(P0_16);
+DigitalIn   btn2(P0_17);
+
+AD9850 dds(P0_20, P0_25, P0_24, P0_23);
+
+//-----------------------------------------------------------------------
+
+uint32_t targetFreq		= 10 * 1000 * 1000; // 10MHz - default
+uint32_t incrementFreq	= 100 * 1000;		// This is a 100KHz frequency increment
+
+//-----------------------------------------------------------------------
+
+BLEDevice  ble;
+
+const static char     DEVICE_NAME[] = "DDS-CTRL 0.2";
+static const uint16_t uuid16_list[] = {0xFFFF};     // Custom UUID, FFFF is reserved for development
+
+// Set Up custom Characteristics
+static uint8_t      deviceValue = 0;
+static uint8_t      outputValue = 0;
+static uint32_t		frequencyValue = 0;
+
+ReadWriteArrayGattCharacteristic<uint8_t, 1>    deviceChar(0xA201,    &deviceValue);
+ReadWriteArrayGattCharacteristic<uint8_t, 1>    outputChar(0xA202,    &outputValue);
+ReadWriteArrayGattCharacteristic<uint32_t, 1> 	frequencyChar(0xA203, &frequencyValue);
+
+// Set up custom service
+GattCharacteristic *characteristics[] = {
+    &deviceChar,
+    &outputChar,
+    &frequencyChar,
+};
+GattService customService(0xA001, characteristics, sizeof(characteristics) / sizeof(GattCharacteristic *));
+
+
+//-----------------------------------------------------------------------
+/**
+ *
+ */
+ void connectionCallback(Gap::Handle_t Handle_t,
+                         Gap::addr_type_t peerAddrType, const Gap::address_t peerAddr,
+                         Gap::addr_type_t ownAddrType,  const Gap::address_t ownAddr,
+                         const Gap::ConnectionParams_t *params)
+{
+    pc.printf("connectionCallback\n");
+}
+
+//--------------------------------
+/*
+ *  Restart advertising when phone app disconnects
+ */ 
+void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
+{
+    pc.printf("disconnectionCallback\n");
+    ble.startAdvertising(); 
+}
+
+//--------------------------------
+/* 
+ *  handle writes to writeCharacteristic
+ */
+void writeCharCallback(const GattCharacteristicWriteCBParams *params)
+{
+    led2 = !led2;
+
+	pc.printf("BLE:onDataWritten\n");
+
+    if (params->charHandle == deviceChar.getValueHandle()) {
+        memcpy(&deviceChar, params->data, params->len);
+        pc.printf("deviceChar\n");
+        pc.printf("deviceChar: deviceValue: %x\n", deviceValue);
+
+    } else
+    if (params->charHandle == outputChar.getValueHandle()) {
+        memcpy(&outputValue, params->data, params->len);
+        pc.printf("outputChar : outputValue: %x\n", outputValue);
+
+    } else
+    if (params->charHandle == frequencyChar.getValueHandle()) {
+        memcpy(&targetFreq, params->data, params->len);
+        pc.printf("frequencyChar\n");
+        pc.printf("targetFreq: %d\n", targetFreq);
+    }
+
+}
+
+//-----------------------------------------------------------------------
+
+void tickerCallback()
+{
+    led1 = !led1;
+}
+
+char guruguru(int cnt)
+{
+	static char gurus[] = {'-', '\\', '|', '/'};
+	return gurus[cnt % 4];
+}
+
+//--------------------------------
+
+int main(void)
+{
+    ticker.attach(&tickerCallback, 0.5);
+
+    pc.baud(115200);
+    pc.printf("\n");
+	pc.printf("------------------------\n");
+	pc.printf("DDS-CTRL start\n");
+	led1 = 0; led2 = 0;;
+
+
+    ble.init();
+    ble.onConnection(connectionCallback);
+    ble.onDisconnection(disconnectionCallback);
+    ble.onDataWritten(writeCharCallback);
+		
+	// setup advertising
+    {
+        // BLE only, no classic BT
+        ble.accumulateAdvertisingPayload(   GapAdvertisingData::BREDR_NOT_SUPPORTED | 
+                                            GapAdvertisingData::LE_GENERAL_DISCOVERABLE );
+        // advertising type
+        ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+        // add name
+        ble.accumulateAdvertisingPayload(   GapAdvertisingData::COMPLETE_LOCAL_NAME, 
+                                            (uint8_t *)DEVICE_NAME, 
+                                            sizeof(DEVICE_NAME) );
+        // UUID's broadcast in advertising packet
+        ble.accumulateAdvertisingPayload(   GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS,
+                                            (uint8_t *)uuid16_list,
+                                            sizeof(uuid16_list) );
+        ble.setAdvertisingInterval(100); // interval is 100ms. 
+        // add my service
+        ble.addService(customService);
+
+        // start advertising
+        ble.startAdvertising();
+    }
+	pc.printf("BLE init\n");
+
+
+	// DDS 初期化
+	{
+		dds.init();
+pc.printf("\nFREQ: %d [default]\n", targetFreq);
+	    dds.setFrequency(targetFreq, 0, 0);
+	    dds.setFrequency(targetFreq, 0, 0);
+			// TODO: なぜか最初だけ２回ださないと設定されない... 
+	}
+	pc.printf("DDS init\n");
+
+
+	int loopCounter = 0;
+	int lastFreq = targetFreq;
+    while (true) {
+        ble.waitForEvent();
+
+		loopCounter++;
+		//pc.putc(guruguru(loopCounter));
+		//pc.putc('\r');
+		pc.putc('*');
+		wait_ms(100);
+
+		if (lastFreq != targetFreq) {
+pc.printf("\nFREQ: %d\n", targetFreq);
+        	dds.setFrequency(targetFreq, 0, 0);
+
+			//gInternalStorageBuffer.freq = targetFreq;
+			//nRF51822_internalStorage_write();
+
+			lastFreq = targetFreq;
+		}
+	}
+
+}
+
+//---------------------------------------------------------
+