//// Microwindows/Nano-X additional setup for eCos//#include <pkgconf/kernel.h>#include <pkgconf/hal.h>#include <cyg/kernel/kapi.h>#include <stdio.h>#include <stdlib.h>#include <fcntl.h>#include <unistd.h>#include <time.h>#include <ctype.h>#include <errno.h>#include <sys/time.h>#define MWINCLUDECOLORS#include "nano-X.h"static bool closed = false;// Display a number of ticks as microseconds// Note: for improved calculation significance, values are kept in ticks*1000static voidshow_ns(long long ns){    diag_printf("%5d.%02d", (int)(ns/1000), (int)((ns%1000)/10));}static long rtc_resolution[] = CYGNUM_KERNEL_COUNTERS_RTC_RESOLUTION;static long ns_per_system_clock;static long longns_time(void){    unsigned long off;    long long ns, clocks;    ns_per_system_clock = 1000000/rtc_resolution[1];    HAL_CLOCK_READ(&off);    ns = (ns_per_system_clock * (long long)off) / CYGNUM_KERNEL_COUNTERS_RTC_PERIOD;    ns += 5;  // for rounding to .01us    clocks = (cyg_current_time() * 10000000) + ns;    return clocks;}static voidtest_file_io(void){    long long start_time, end_time;    FILE *fp;    unsigned char buf[256];    int len, n, fd;    start_time = ns_time();    if ((fp = fopen("/bin/letters.cl", "r")) != (FILE *)NULL) {        len = 0;        while (fgets(buf, sizeof(buf), fp)) {            len += strlen(buf);        }        fclose(fp);    }    end_time = ns_time();    diag_printf("'fgets': %d bytes in ", len); show_ns(end_time-start_time);  diag_printf("ns\n");    start_time = ns_time();    if ((fp = fopen("/bin/letters.cl", "r")) != (FILE *)NULL) {        len = 0;        while (n = fread(buf, 1, sizeof(buf), fp)) {            len += n;        }        fclose(fp);    }    end_time = ns_time();    diag_printf("'fread': %d bytes in ", len); show_ns(end_time-start_time);  diag_printf("ns\n");    start_time = ns_time();    if ((fd = open("/bin/letters.cl", O_RDONLY)) >= 0) {        len = 0;        while (n = read(fd, buf, sizeof(buf))) {            len += n;        }        close(fd);    }    end_time = ns_time();    diag_printf("'read': %d bytes in ", len); show_ns(end_time-start_time);  diag_printf("ns\n");}#if NWIDGETSstatic void do_close(NBUTTON * w, int b){   printf("Button %d was clicked in widget %p\n",b,w);   closed = true;}#endifvoidecos_nx_init(CYG_ADDRWORD data){    GR_SCREEN_INFO	si;		/* window information */    GR_FONT_INFO	fi;		/* font information */    GR_WINDOW_ID	mainwid;	/* main window id */    GR_WM_PROPERTIES    props;    GR_GC_ID		gct = 0;    NWIDGET             *w;    NBUTTON             *b;    NTEXTFIELD          *t;    cyg_thread_delay(50);    INIT_PER_THREAD_DATA();    test_file_io();    if(GrOpen() < 0) {        fprintf(stderr, "Couldn't connect to Nano-X server\n");        exit(1);    }    GrGetScreenInfo(&si);    GrGetFontInfo(0, &fi);#ifndef NWIDGETS    mainwid = GrNewWindow(GR_ROOT_WINDOW_ID, 0, 0, si.cols, si.rows,                          0, RED, WHITE);    props.flags = GR_WM_FLAGS_PROPS;    props.props = GR_WM_PROPS_BORDER;    GrSetWMProperties(mainwid, &props);    GrMapWindow(mainwid);    GrFlush();    cyg_thread_delay(50);    gct = GrNewGC();    GrSetGCForeground(gct, WHITE);    /*GrSetGCFont(gct, GrCreateFont(GR_FONT_GUI_VAR, 0, NULL));*/    GrDrawImageFromFile(mainwid, gct, 0, 0, si.cols, si.rows, "/redhat.logo", 0);    GrText(mainwid, gct, 80, 350, "Tap all 4 corners", 17, GR_TFTOP);    GrFlush();    printf("Tap all four corners\n");    cyg_thread_delay(10*100);#else    n_init_button_class();    n_init_textfield_class();    w = NEW_NOBJECT(widget);    n_widget_init(w, 0);        n_widget_resize(w, si.cols - 10, si.rows - 30);    n_widget_background(w, "/redhat.logo");    n_widget_show(w);    b = NEW_NOBJECT(button);    n_button_init(b, w, "Close");    n_button_onclick(b, do_close);    n_widget_resize(b, 40, 20);    n_widget_move(b,180,260);    n_widget_show(b);    t = NEW_NOBJECT(textfield);    n_textfield_init(t,w,"Tap all 4 corners");    n_widget_move(t,45,220);    n_widget_resize(t,120,20);    n_widget_show(t);    t = NEW_NOBJECT(textfield);    n_textfield_init(t,w,"Then press close");    n_widget_move(t,45,250);    n_widget_resize(t,120,20);    n_widget_show(t);    while (!closed) {        n_handle_event();    }    n_widget_hide(w);    n_object_cleanup(w);#endif    GrClose();}