Diff: source/main.cpp

Revision:

0:f22fa5cc4d56

Child:

1:9d1a3835d884

diff -r 000000000000 -r f22fa5cc4d56 source/main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/main.cpp	Fri Apr 14 02:51:57 2017 +0000
@@ -0,0 +1,107 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "stdio.h"
+#include "BME280.h"
+#include "ble/BLE.h"
+#include "ble/Gap.h"
+#include "EnvironmentalService.h"
+
+BLE &ble = BLE::Instance();
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+
+#if defined(TARGET_LPC1768)
+BME280 sensor(p28, p27);
+#elif defined(TARGET_TY51822R3)
+BME280 sensor(I2C_SDA0, I2C_SCL0);
+#define SMALL_STACK_SIZE   960     //reduced thread stack size (default:2048)
+#else
+BME280 sensor(I2C_SDA, I2C_SCL);
+#endif
+
+const static char DEVICE_NAME[] = "BME280";
+const static uint16_t uuid16_list[] = {GattService::UUID_ENVIRONMENTAL_SERVICE};
+static EnvironmentalService *EvnSer=NULL;
+
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
+{
+    BLE::Instance(BLE::DEFAULT_INSTANCE).gap().startAdvertising(); // restart advertising
+}
+
+void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
+{
+    BLE &ble   = params->ble;
+    ble_error_t error = params->error;
+    EvnSer = new EnvironmentalService(ble);
+
+    printf("Inside BLE..starting payload creation..\r\n");
+
+    ble.gap().onDisconnection(disconnectionCallback);
+
+    /* Setup advertising. */
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
+    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+
+    if (error == BLE_ERROR_NONE)        led2 = 1;
+
+    ble.gap().setAdvertisingInterval(1000); /* 1000ms */
+    error = ble.gap().startAdvertising();
+    printf("ble.gap().startAdvertising() => %u\r\n", error);
+
+    /****************************************
+
+    TODO : Print the address of the server. The below is partially working.
+
+    printf("Hello..My addr is: [%02x %02x %02x %02x %02x %02x] \r\n", params_advCallback->peerAddr[5], params_advCallback->peerAddr[4], params_advCallback->peerAddr[3], params_advCallback->peerAddr[2], params_advCallback->peerAddr[1], params_advCallback->peerAddr[0]);
+    ****************************************/
+
+}
+
+/************************ Thread #1 for light sensor ************************/
+
+void read_sensor(void) {
+    float tmp_t, tmp_p, tmp_h;
+    while(true) {
+        if(EvnSer!=NULL) {
+            tmp_t=sensor.getTemperature();
+            tmp_p=sensor.getPressure();    tmp_h=sensor.getHumidity();
+            EvnSer->updatePressure(tmp_p);  EvnSer->updateTemperature(tmp_t);
+            EvnSer->updateHumidity(tmp_h);
+            printf("%04.2f hPa,  %2.2f degC,  %2.2f %%\r\n", tmp_p, tmp_t, tmp_h );
+        }
+    	Thread::wait(1000);
+    }
+}
+
+/************************ Thread #2 for BLE activities ************************/
+
+void Bluetooth_LE_server(void) {
+
+    ble.init(bleInitComplete);
+
+    while(1) {
+        ble.processEvents();
+    }
+    //This statement might be un-reachable...??
+    Thread::wait(1000);
+}
+
+/************************ Thread #3 main() ************************/
+
+int main() {
+//	printf("Inside main\r\n");
+    // reduced following stack size to 960 x 2 (default stack size: 2048 x 2)
+    Thread thread1(osPriorityNormal,SMALL_STACK_SIZE,NULL);
+    Thread thread2(osPriorityNormal,SMALL_STACK_SIZE,NULL);
+
+    EvnSer=NULL;
+    thread1.start(read_sensor);
+    thread2.start(Bluetooth_LE_server);
+
+    while(true) {
+        led1 = !led1;
+        Thread::wait(500);
+    }
+}