update to r3056 from https://sourceforge.net/p/bacnet/code/3056/tree/trunk/bacnet-stack/ add ipv6 and schedule support

ports/xplained/main.c

@@ -0,0 +1,49 @@
+/**
+ * \file
+ *
+ * \brief XMEGA-A3BU BACnet application
+ *
+ */
+#include <asf.h>
+#include "timer.h"
+#include "rs485.h"
+#include "led.h"
+#include "adc-hdw.h"
+#include "dlmstp.h"
+#include "bacnet.h"
+
+/**
+ * \brief Main function.
+ *
+ * Initializes the board, and runs the application in an infinite loop.
+ */
+int main(void)
+{
+    /* hardware initialization */
+    sysclk_init();
+    board_init();
+    pmic_init();
+    timer_init();
+    rs485_init();
+    led_init();
+	adc_init();
+#ifdef CONF_BOARD_ENABLE_RS485_XPLAINED
+    // Enable display backlight
+    gpio_set_pin_high(NHD_C12832A1Z_BACKLIGHT);
+#endif
+    // Workaround for known issue: Enable RTC32 sysclk
+    sysclk_enable_module(SYSCLK_PORT_GEN, SYSCLK_RTC);
+    while (RTC32.SYNCCTRL & RTC32_SYNCBUSY_bm) {
+        // Wait for RTC32 sysclk to become stable
+    }
+    cpu_irq_enable();
+    /* application initialization */
+    rs485_baud_rate_set(38400);
+    bacnet_init();
+    /*  run forever - timed tasks */
+    timer_callback(bacnet_task_timed, 5);
+    for (;;) {
+        bacnet_task();
+        led_task();
+    }
+}