metawatch/mw_main.c

/*
 * (c) 2011 Siegen, Germany by Nils Faerber <nils.faerber@kernelconcepts.de>
 *
 * license LGPL
 */

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <termios.h>
#include <ctype.h>
#include <math.h>

#include <errno.h>

#include <bluetooth/bluetooth.h>
#include <bluetooth/rfcomm.h>

#include <glib.h>
#include <dbus/dbus.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>

#include <libsoup/soup.h>

#include <libxml/tree.h>
#include <libxml/parser.h>

/*
#include <bluetooth/sdp.h>
#include <bluetooth/sdp_lib.h>
*/

#include "metawatch.h"
#include "crc16ccitt.h"
#include "mw_utility.h"

#include "bt_helper.h"

typedef struct {
	GMainLoop *mloop;
	mwdevice_t mwdevice;
	unsigned char rcvbuf[128];
	int rcvbuf_pos;
	int con_fd;		/* console input fd */
	char cmdline[128];
	int cmdline_pos;
	SoupSession *msoup;
	SoupMessage *smsg;
} mwdata_t;

void bitmap_test(mwdevice_t *mwdevice)
{
	/* a nice checker-board pattern */
	unsigned char checkbuf[24] = {
		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
		0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
		0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
		0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
	};
	mw_write_buffer(mwdevice, MW_SCREEN_MODE_IDLE, 0, 31, checkbuf, 24);
	mw_write_buffer(mwdevice, MW_SCREEN_MODE_IDLE, 0, 33, checkbuf, 24);
	mw_write_buffer(mwdevice, MW_SCREEN_MODE_IDLE, 0, 35, checkbuf, 24);
	mw_write_buffer(mwdevice, MW_SCREEN_MODE_IDLE, 0, 37, checkbuf, 24);

	mw_update_display(mwdevice, MW_SCREEN_MODE_IDLE, 1);
}

void bitmap_test2(mwdevice_t *mwdevice)
{
	mw_buffer *mwbuf1, *mwbuf2;
	unsigned char *bbuf;
	int len, x;

	mwbuf1 = mw_alloc_pbuffer(96, 66, 1);
	mwbuf2 = mw_alloc_pbuffer(96, 66, 1);

	mw_buf_clear(mwbuf1, MW_BLACK);
	mw_buf_clear(mwbuf2, MW_WHITE);

	for (x=0; x<66; x++) {
		//mw_buf_clear(mwbuf1, MW_BLACK);
		mw_buf_draw_pixel(mwbuf1, x, x, MW_WHITE);
		mw_dump_mw_buffer(mwbuf1);
		bbuf = mw_make_mw_buffer(mwbuf1, &len);
		mw_send_bitmap(mwdevice, MW_SCREEN_MODE_IDLE, 96, 65, 31, bbuf, len);
		mw_update_display(mwdevice, MW_SCREEN_MODE_IDLE, 1);
		getchar();
	};

	mw_free_pbuffer(mwbuf1);
	mw_free_pbuffer(mwbuf2);
}

void text_test(mwdevice_t *mwdevice)
{
	mw_buffer *mwbuf;
	unsigned char *bbuf;
	int len;

	mwbuf = mw_alloc_pbuffer(96, 66, 1);
	mw_buf_clear(mwbuf, MW_BLACK);

	mw_buf_print(mwbuf, 1, 10, "Font 0", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 1, 20, "Font 1", 1, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 1, 30, "Font 2", 2, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 1, 45, "Big Fat Clipping", 2, MW_BLACK, MW_WHITE);

	bbuf = mw_make_mw_buffer(mwbuf, &len);
	mw_send_bitmap(mwdevice, MW_SCREEN_MODE_IDLE, 96, 65, 31, bbuf, len);
	mw_update_display(mwdevice, MW_SCREEN_MODE_IDLE, 1);
	mw_free_pbuffer(mwbuf);
}

void line_test(mwdevice_t *mwdevice)
{
	mw_buffer *mwbuf;
	unsigned char *bbuf;
	int len, p;

	mwbuf = mw_alloc_pbuffer(96, 66, 1);
	mw_buf_clear(mwbuf, MW_BLACK);

	for (p=0; p<=96; p+=8)
		mw_buf_draw_line_bresenham(mwbuf, p, 0, 95-p, 65, MW_WHITE);

	bbuf = mw_make_mw_buffer(mwbuf, &len);
	mw_send_bitmap(mwdevice, MW_SCREEN_MODE_IDLE, 96, 65, 31, bbuf, len);
	mw_update_display(mwdevice, MW_SCREEN_MODE_IDLE, 1);
	mw_free_pbuffer(mwbuf);
}

void bitmap_read(mwdevice_t *mwdevice)
{
	int ffd, ret;
	char rbuf[256];
	unsigned int width, height, i;
#ifdef DEBUG
	unsigned int x, y;
#endif
	unsigned int rowlength;
	unsigned char *bmapbuf;
	// unsigned char mw_buf[24];

	ffd = open("test.pbm", O_RDONLY);
	if (ffd < 0) {
		perror("open");
		return;
	};
	ret = read(ffd, rbuf, 3);
	if (rbuf[0] != 'P' || rbuf[1] != '4') {
		fprintf(stderr, "not a PBM file\n");
		return;
	}
	memset(rbuf, 0, 256);
	i = 0;
	do {
		ret = read(ffd, (rbuf+i), 1);
	} while (!isspace(rbuf[i++]));
	width = atoi(rbuf);

	memset(rbuf, 0, 256);
	i = 0;
	do {
		ret = read(ffd, (rbuf+i), 1);
	} while (!isspace(rbuf[i++]));
	height = atoi(rbuf);

	rowlength = ((width / 8) + 1);

	bmapbuf = malloc(rowlength * height);

	ret = read(ffd, bmapbuf, rowlength * height);
	close(ffd);

#ifdef DEBUG
	fprintf(stderr, "row length = %d bytes\n", rowlength);
	fprintf(stderr, "bitmap resolution is %d x %d\n", width, height);
	fprintf(stderr, "read %d of %d bytes\n", ret, rowlength * height);
	fprintf(stderr, "\n");
	for (y=0; y<height; y++) {
		for (x=0; x<rowlength; x++) {
			for (i=0; i<8; i++)
				fprintf(stderr, "%c", (bmapbuf[(y*rowlength)+x] & (1<<(7-i))) ? '.' : ' ');
		}
		fprintf(stderr, "\n");
	}
	fprintf(stderr, "\n");
#endif

	/* reverse bits and invert the bmap */
	bmap_buffer_flipinvert(1, 1, bmapbuf, rowlength * height);
	/* send the buffer to the watch */
	mw_send_bitmap(mwdevice, MW_SCREEN_MODE_IDLE, width, height, 31, bmapbuf, rowlength * height);
	/* update the display */
	mw_update_display(mwdevice, MW_SCREEN_MODE_IDLE, 1);

	free(bmapbuf);
}

void test_notification(mwdevice_t *mwdevice)
{
	mw_buffer *mwbuf;
	unsigned char *bbuf;
	int len;

	mwbuf = mw_alloc_pbuffer(96, 96, 1);
	mw_buf_clear(mwbuf, MW_BLACK);

	mw_buf_draw_line_bresenham(mwbuf, 2, 0, 93, 0, MW_WHITE);
	mw_buf_draw_line_bresenham(mwbuf, 0, 1, 95, 1, MW_WHITE);
	mw_buf_draw_line_bresenham(mwbuf, 0, 94, 95, 94, MW_WHITE);
	mw_buf_draw_line_bresenham(mwbuf, 2, 95, 93, 95, MW_WHITE);

	mw_buf_draw_line_bresenham(mwbuf, 0, 2, 0, 93, MW_WHITE);
	mw_buf_draw_line_bresenham(mwbuf, 1, 0, 1, 95, MW_WHITE);
	mw_buf_draw_line_bresenham(mwbuf, 95, 2, 95, 93, MW_WHITE);
	mw_buf_draw_line_bresenham(mwbuf, 94, 0, 94, 95, MW_WHITE);

	mw_buf_print(mwbuf, 4,  4, "012345678901234", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 4, 13, "012345678901234", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 4, 22, "0123456789g1234", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 4, 31, "012345678901234", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 4, 40, "012345678901234", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 4, 49, "012345678901234", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 4, 58, "0123456789g1234", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 4, 67, "012345678901234", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 4, 76, "012345678901234", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 4, 85, "012345678901234", 0, MW_WHITE, MW_BLACK);

	bbuf = mw_make_mw_buffer(mwbuf, &len);
	mw_send_bitmap(mwdevice, MW_SCREEN_MODE_NOTIFICATION, 96, 96, 0, bbuf, len);
	mw_update_display(mwdevice, MW_SCREEN_MODE_NOTIFICATION, 1);
	mw_free_pbuffer(mwbuf);

	mw_set_vibrate_mode(mwdevice, 1, 300, 300, 3);
}

int days(int m1, int y1)
{
	int d;
	if(m1==1 || m1==3 || m1==5 || m1==7 || m1==8 || m1==10 || m1==12)
		d=31;
	else if(m1==4 || m1==6 || m1==9 || m1==11)
		d=30;
	else if((y1%100!=0 && y1%4==0) || y1%400==0)
		d=29;
	else
		d=28;
	return d;
}

void draw_idle_calendar(mwdevice_t *mwdevice)
{
	long unsigned int t;
	unsigned int y,y1,m,m1,d,i,j,k;
	/* const char a[12][20]={"January","February","March","April","May","June","July","August","September","October","November","December"}; */
	const char dnames[7][3] = { "Mo", "Di", "Mi", "Do", "Fr", "Sa", "So" };
	mw_buffer *mwbuf;
	unsigned char *bbuf;
	int len, px, py;
	char pnum[32];
	int today;
	time_t mtime;
	struct tm mtm;
                               
	mtime = time(NULL);
	localtime_r(&mtime, &mtm);

	today = mtm.tm_mday;
	y = mtm.tm_year + 1900;
	m = mtm.tm_mon + 1;

	mwbuf = mw_alloc_pbuffer(96, 66, 1);
	mw_buf_clear(mwbuf, MW_BLACK);

	if (y < 0)
		y = -y;
	if (m <= 0 || m >= 13)
		m = 1;
	y1 = 0;
	t = 0;
	while (y1 < y) {
		if (((y1 % 100) != 0 && (y1 % 4) == 0) || (y1 % 400) == 0)
			t += 366;
		else
			t += 365;
		y1++;
	}
	m1 = 1;
	while (m1 < m) {
		d = days(m1, y);
		t = t + d;
		m1++;
	};
#if 0
	printf("Year: '%u'\n",y);
	printf("Month: '%s'\n",a[m-1]);

	printf("%6s%6s%6s%6s%6s%6s%6s\n","Sun","Mon","Tue","Wed","Thu","Fri","Sat");
#endif

	k = 1;
	/* 0 = 1st day is Monday, 1 = 1st day is Sunday */
	d = (t % 7)-1;
	px=0;
	py=3;
	for (i=0; i<7; i++) {
		snprintf(pnum, 3, "%s", dnames[i]);
		mw_buf_print(mwbuf, px, py, pnum, 0, MW_WHITE, MW_BLACK);
		px += 14;
	};
	px = 0;
	py += 10;
	for (i = 1; i <= days(m,y); i++, k++) {
		if (i == 1) {
			if (d == 0) {
				for (j = 1; j < 7; j++, k++) {
					printf("+--"); //printf("%3s","");
					px += 14;
				}
			} else {
				for (j = 1; j < d; j++, k++) {
					px += 14;
					printf("--+"); //printf("%3s","");
				}
			}
		}
		snprintf(pnum, 8, "%2d", i);
		if (i == today)
			mw_buf_print(mwbuf, px, py, pnum, 0, MW_BLACK, MW_WHITE);
		else
			mw_buf_print(mwbuf, px, py, pnum, 0, MW_WHITE, MW_BLACK);
		px += 12;
		printf("%2d", i);
		if ((k % 7) == 0) {
			printf("\n");
			px = 0;
			py += 10;
		} else {
			printf("+");
			px += 2;
		}
	}
	// printf("\n");

	//mw_buf_print(mwbuf, 1, 10, "Font 0", 0, MW_WHITE, MW_BLACK);

	bbuf = mw_make_mw_buffer(mwbuf, &len);
	mw_send_bitmap(mwdevice, MW_SCREEN_MODE_IDLE, 96, 65, 31, bbuf, len);
	mw_update_display(mwdevice, MW_SCREEN_MODE_IDLE, 1);
	mw_free_pbuffer(mwbuf);
}

void mw_send_notify(mwdevice_t *mwdevice, char *header, char *body)
{
	mw_buffer *mwbuf;
	unsigned char *bbuf;
	int len,i,c,r;
	char sstr[32];

	mwbuf = mw_alloc_pbuffer(96, 96, 1);
	mw_buf_clear(mwbuf, MW_BLACK);

	mw_buf_print(mwbuf, 0,  0, header, 0, MW_BLACK, MW_WHITE);

	i=0;
	c=0; r=1;
	memset(sstr,0,32);
	while (i<strlen(body)) {
		sstr[c++] = body[i++];
		if (c>=16 || i>=strlen(body)) {
			mw_buf_print(mwbuf, 0,  r*9, sstr, 0, MW_WHITE, MW_BLACK);
			memset(sstr,0,32);
			c=0; r++;
			if (r>10)
				break;
		};
	};

	bbuf = mw_make_mw_buffer(mwbuf, &len);
	mw_send_bitmap(mwdevice, MW_SCREEN_MODE_APPLICATION, 96, 96, 0, bbuf, len);
	mw_update_display(mwdevice, MW_SCREEN_MODE_APPLICATION, 1);
	mw_free_pbuffer(mwbuf);

	mw_set_vibrate_mode(mwdevice, 1, 300, 300, 2);
}

void test_application(mwdevice_t *mwdevice)
{
	mw_buffer *mwbuf;
	unsigned char *bbuf;
	int len;

	mw_enable_button(mwdevice, MW_SCREEN_MODE_IDLE, MW_BUTTON_A, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_A);

	mw_enable_button(mwdevice, MW_SCREEN_MODE_APPLICATION, MW_BUTTON_A, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_A);
	mw_enable_button(mwdevice, MW_SCREEN_MODE_APPLICATION, MW_BUTTON_B, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_B);
	mw_enable_button(mwdevice, MW_SCREEN_MODE_APPLICATION, MW_BUTTON_C, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_C);
	mw_enable_button(mwdevice, MW_SCREEN_MODE_APPLICATION, MW_BUTTON_E, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_E);
	mw_enable_button(mwdevice, MW_SCREEN_MODE_APPLICATION, MW_BUTTON_F, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_F);
	mw_configure_watch_mode(mwdevice, MW_SCREEN_MODE_APPLICATION, 0, 30, 0);

	mwbuf = mw_alloc_pbuffer(96, 96, 1);
	mw_buf_clear(mwbuf, MW_BLACK);

	mw_buf_print(mwbuf, 0,  0, "  Application   ", 0, MW_BLACK, MW_WHITE);
	mw_buf_print(mwbuf, 0,  9, "0123456789012345", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 0, 18, "0123456789g12345", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 0, 27, "0123456789012345", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 0, 36, "0123456789012345", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 0, 45, "0123456789012345", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 0, 54, "0123456789g12345", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 0, 63, "0123456789012345", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 0, 72, "0123456789012345", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 0, 81, "0123456789012345", 0, MW_WHITE, MW_BLACK);

	bbuf = mw_make_mw_buffer(mwbuf, &len);
	mw_send_bitmap(mwdevice, MW_SCREEN_MODE_APPLICATION, 96, 96, 0, bbuf, len);
	mw_update_display(mwdevice, MW_SCREEN_MODE_APPLICATION, 1);
	mw_free_pbuffer(mwbuf);
}

void draw_app_ana_clock(mwdevice_t *mwdevice, int hour, int minute, unsigned char day)
{
	mw_buffer *mwbuf;
	unsigned char *bbuf;
	char daystr[5];
	int len;
	unsigned int i, x, y, x2, y2;
	double tmp, mf;

	mw_enable_button(mwdevice, MW_SCREEN_MODE_IDLE, MW_BUTTON_A, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_A);

	mw_enable_button(mwdevice, MW_SCREEN_MODE_APPLICATION, MW_BUTTON_A, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_A);
	mw_enable_button(mwdevice, MW_SCREEN_MODE_APPLICATION, MW_BUTTON_B, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_B);
	mw_enable_button(mwdevice, MW_SCREEN_MODE_APPLICATION, MW_BUTTON_C, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_C);
	mw_enable_button(mwdevice, MW_SCREEN_MODE_APPLICATION, MW_BUTTON_E, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_E);
	mw_enable_button(mwdevice, MW_SCREEN_MODE_APPLICATION, MW_BUTTON_F, MW_BUTTON_IMMEDIATE, MW_BUTTON_EVENT_MESSAGE, MW_BUTTON_F);
	mw_configure_watch_mode(mwdevice, MW_SCREEN_MODE_APPLICATION, 0, 30, 0);

	mwbuf = mw_alloc_pbuffer(96, 96, 1);
	mw_buf_clear(mwbuf, MW_BLACK);

	hour -= 3;
	mf = (1. / 59.) * (double)minute;
	minute -= 15;

	// plot(R*cos(360° * i/N), R*sin(360° * i/N))
	for (i=0; i<12; i++) {
		tmp = 48. + (43. * cos(((2. * M_PI) / 12.) * (double)i));
		x =  tmp;
		tmp = 48 + (43. * sin(((2. * M_PI) / 12.) * (double)i));
		y =  tmp;
		tmp = 48. + (48. * cos(((2. * M_PI) / 12.) * (double)i));
		x2 =  tmp;
		tmp = 48 + (48. * sin(((2. * M_PI) / 12.) * (double)i));
		y2 =  tmp;
		mw_buf_draw_line_bresenham(mwbuf, x, y, x2, y2, MW_WHITE);
	};
	// Hour
	g_print("hour = %d -> %f (%f)\n", hour, (double)hour + mf, mf);
	tmp = 48. + (30. * cos(((2. * M_PI) / 12.) * ((double)hour + mf)));
	x =  tmp;
	tmp = 48 + (30. * sin(((2. * M_PI) / 12.) * ((double)hour + mf)));
	y =  tmp;
	mw_buf_draw_line_bresenham(mwbuf, 48, 48, x, y, MW_WHITE);
	// Minute
	tmp = 48. + (40. * cos(((2. * M_PI) / 60.) * (double)minute));
	x =  tmp;
	tmp = 48 + (40. * sin(((2. * M_PI) / 60.) * (double)minute));
	y =  tmp;
	mw_buf_draw_line_bresenham(mwbuf, 48, 48, x, y, MW_WHITE);

	snprintf(daystr, 5, "%d", day);
	mw_buf_print(mwbuf, 74, 45, daystr, 0, MW_WHITE, MW_BLACK);

	bbuf = mw_make_mw_buffer(mwbuf, &len);
	mw_send_bitmap(mwdevice, MW_SCREEN_MODE_APPLICATION, 96, 96, 0, bbuf, len);
	mw_update_display(mwdevice, MW_SCREEN_MODE_APPLICATION, 1);
	mw_free_pbuffer(mwbuf);
}

void test_oled(mwdevice_t *mwdevice, unsigned char oled)
{
	mw_buffer *mwbuf;
	unsigned char *bbuf;
	int len;

	mwbuf = mw_alloc_pbuffer(80, 16, 1);
	mw_buf_clear(mwbuf, MW_BLACK);

	mw_buf_print(mwbuf, 0,  0, "Application", 0, MW_WHITE, MW_BLACK);
	mw_buf_print(mwbuf, 0,  8, "012345678901234", 0, MW_WHITE, MW_BLACK);

	bbuf = mw_make_mw_oled_buffer(mwbuf, &len);
	mw_write_oled_buffer(mwdevice, 0, oled, 80, 0, bbuf, len);

	mw_free_pbuffer(mwbuf);
}

static void
weather_soup_callback (SoupSession *session, SoupMessage *msg, gpointer user_data)
{
	xmlDocPtr xdoc;

	/* Handle the response here */
	if (msg->response_body->data != NULL && msg->response_body->length != 0) {
		fprintf(stderr, "%s\n", msg->response_body->data);
		xdoc = xmlReadMemory(msg->response_body->data, msg->response_body->length, "noname.xml", NULL, 0);
		if (xdoc == NULL) {
			fprintf(stderr, "Failed to parse document\n");
			return;
		}
		xmlFreeDoc(xdoc);
		xmlCleanupParser();
	}
}

void do_weather(mwdata_t *mwdata)
{
	mwdata->msoup = soup_session_async_new();
	mwdata->smsg = soup_message_new ("GET", "http://www.google.com/ig/api?weather=siegen&hl=de");
	soup_session_send_message (mwdata->msoup, mwdata->smsg);
	soup_session_queue_message (mwdata->msoup, mwdata->smsg, weather_soup_callback, mwdata);
}

void print_help(void)
{
	g_print("Not yet implemented..\n");
}

#define PARAMS_MAX 8
#define PARAMS_LEN 16

static int separate_params(char *params[], char *pbuf)
{
	char *ret;
	char tbuf[128];
	int cnt = 0;

	memset(tbuf, 0, 128);
	strncpy(tbuf, pbuf, strlen(pbuf));
	// strdump(tbuf, strlen(tbuf));
	/* we know we do have at least one parameter */
	ret = strtok(tbuf, " ");
	while (ret != NULL) {
		// dbg_printf("tok '%s'\n", ret);
		strncpy(params[cnt++], ret, PARAMS_LEN-1);
		if (cnt > PARAMS_MAX)
			break;
		ret = strtok(NULL, " ");
	}

	return cnt;
}

static void params_free(char **params)
{
	int i;
	for (i=0; i < PARAMS_MAX; i++)
		free(params[i]);
}

void process_cmd(char *cmdline, int clinep, mwdata_t *mwdata)
{
	unsigned char mdata[32];
	unsigned int intopt;
	char cmd[128], pbuf[128], *params[PARAMS_MAX];
	int i, pcnt;
	char *inbuf = cmdline;

	g_print("command: '%s'\n", cmdline);

	for (i=0; i<PARAMS_MAX; i++) {
		params[i] = malloc(PARAMS_LEN);
		memset(params[i], 0, PARAMS_LEN);
	}
	memset(cmd, 0, 128);
	memset(pbuf, 0, 128);
	i = 0;
	do {
		char c;
		c = *(inbuf++);
		cmd[i++] = c;
	} while (*inbuf != 0 && *inbuf != 0x20);
	i = 0;
	if (inbuf != NULL && *inbuf == 0x20) {
		inbuf++;
		do {
			pbuf[i++] = *(inbuf++);
		} while (*inbuf != 0);
	};
	if (strlen(pbuf) > 0)
		pcnt = separate_params(params, pbuf);
	else
		pcnt = 0;

	if (strncmp(cmd, "quit", 4) == 0) {
		//close(mw_fd);
		//exit(0);
		/* just in case we quit and show another screen */
		mw_update_display(&mwdata->mwdevice, MW_SCREEN_MODE_IDLE, 0);
		params_free(params);
		g_main_loop_quit (mwdata->mloop);
	}
	if (strncmp(cmd, "help", 4) == 0) {
		print_help();
	}
	if (strncmp(cmd, "ahand", 5) == 0) {
		if (pcnt > 0) {
			intopt = atoi(params[0]); /*atoi(cmdline+5);*/
			g_print("Advance analog hands by %d minutes\n", intopt);
			mdata[0] = intopt / 60;
			mdata[1] = intopt % 60;
			mdata[2] = 0;
			mw_send_frame(&mwdata->mwdevice, MW_ADVANCE_WATCH_HANDS, 0, mdata, 3);
		} else
			g_print("missing argument\n ahand # - # = no. of minutes\n");
	}
	if (strncmp(cmd, "srtc", 4) == 0) {
		time_t mtime;
		struct tm mtm;

		mtime = time(NULL);
		localtime_r(&mtime, &mtm);

		g_print("Setting RTC from system time...");
		mw_set_rtc(&mwdata->mwdevice, &mtm);
		g_print("OK\n");
	}
	if (strncmp(cmd, "grtc", 4) == 0) {
		mw_send_frame(&mwdata->mwdevice, MW_GET_REAL_TIME_CLOCK, 0, NULL, 0);
	}
	if (strncmp(cmd, "gistr", 5) == 0) {
		if (pcnt > 0)
			intopt = atoi(params[0]);
		if (intopt >= 0 && intopt <= 3)
			mdata[0] = intopt;
		else
			mdata[0] = 0;
		mw_send_frame(&mwdata->mwdevice, MW_GET_INFORMATION_STRING, 0, mdata, 1);
	}
	if (strncmp(cmd, "gdtype", 6) == 0) {
		mw_send_frame(&mwdata->mwdevice, MW_GET_DEVICE_TYPE, 0, NULL, 0);
	}
	if (strncmp(cmd, "rvbat", 5) == 0) {
		mw_send_frame(&mwdata->mwdevice, MW_READ_BATTERY_VOLTAGE_MSG, 0, NULL, 0);
	}
	if (strncmp(cmd, "rlight", 6) == 0) {
		mw_send_frame(&mwdata->mwdevice, MW_READ_LIGHT_SENSOR_MSG, 0, NULL, 0);
	}
	if (strncmp(cmd, "modecfg", 6) == 0) {
		mw_configure_watch_mode(&mwdata->mwdevice, MW_SCREEN_MODE_IDLE, 0, 4, 1);
		mw_update_display(&mwdata->mwdevice, MW_SCREEN_MODE_IDLE, 0);
	}
#if 0
	if (strncmp(cmdline, "rbtcfg", 6) == 0) {
		intopt = cmdline[7]-0x30;
		mdata[0] = 0; /* idle screen */
		mdata[1] = intopt; /* button index */
		/* for reading the config those are unnecessary */
		mdata[2] = 0; /* button press type */
		mdata[3] = 0; /* callback message type */
		mdata[4] = 0; /* callback message option */
		mw_send_frame(&mwdata->mwdevice, MW_READ_BUTTON_CONFIG, 0, mdata, 5);
	}
#endif
	if (strncmp(cmd, "svib", 4) == 0) {
		mw_set_vibrate_mode(&mwdata->mwdevice, 1, 300, 300, 5);
	}
	if (strncmp(cmd, "tbmp", 4) == 0) {
		bitmap_test(&mwdata->mwdevice);
	}
	if (strncmp(cmd, "t2bmp", 5) == 0) {
		bitmap_test2(&mwdata->mwdevice);
	}
	if (strncmp(cmd, "text", 4) == 0) {
		text_test(&mwdata->mwdevice);
	}
	if (strncmp(cmd, "tline", 5) == 0) {
		line_test(&mwdata->mwdevice);
	}
	if (strncmp(cmd, "rbmp", 4) == 0) {
		bitmap_read(&mwdata->mwdevice);
	}
	if (strncmp(cmd, "tnote", 5) == 0) {
		// test_notification(&mwdata->mwdevice);
		mw_do_notification(&mwdata->mwdevice, "TestNotification", "This is a pretty long text that needs to be broken and torn", 1);
	}
	if (strncmp(cmd, "tapp", 4) == 0) {
		test_application(&mwdata->mwdevice);
	}
	if (strncmp(cmd, "eoled", 5) == 0) {
		if (pcnt > 0) {
			intopt = atoi(params[0]);
			if (intopt == MW_OLED_UPPER || intopt == MW_OLED_LOWER)
				mw_send_frame(&mwdata->mwdevice, MW_ENABLE_OLED_DISPLAY_MSG, intopt, NULL, 0);
		}
	}
	if (strncmp(cmd, "toled", 5) == 0) {
		intopt = atoi(params[0]);
		test_oled(&mwdata->mwdevice, intopt);
		//mw_write_oled_buffer(mwdevice, 0, 80, 0, mdata, 10);
		//mw_send_frame(mwdevice, MW_UPDATE_OLED_DISPLAY_MSG, 0, NULL, 0);
	}
	if (strncmp(cmd, "cal", 3) == 0) {
		draw_idle_calendar(&mwdata->mwdevice);
	}
	if (strncmp(cmd, "wet", 3) == 0) {
		do_weather(mwdata);
	}
	if (strncmp(cmd, "c24", 3) == 0) {
		mdata[0] = MW_RTC_CLOCK_24HR;
		mw_nval_operation(&mwdata->mwdevice, MW_NVAL_OPERATION_WRITE, MW_NVAL_TIME_FORMAT, 1, mdata);
	}
	if (strncmp(cmd, "g24", 3) == 0) {
		mdata[0] = 0;
		mw_nval_operation(&mwdata->mwdevice, MW_NVAL_OPERATION_READ, MW_NVAL_TIME_FORMAT, 1, mdata);
	}
	if (strncmp(cmd, "sdm", 3) == 0) {
		mdata[0] = MW_RTC_DATE_DDMM;
		mw_nval_operation(&mwdata->mwdevice, MW_NVAL_OPERATION_WRITE, MW_NVAL_DATE_FORMAT, 1, mdata);
	}
	if (strncmp(cmd, "gdm", 3) == 0) {
		mdata[0] = 0;
		mw_nval_operation(&mwdata->mwdevice, MW_NVAL_OPERATION_READ, MW_NVAL_DATE_FORMAT, 1, mdata);
	}
	if (strncmp(cmd, "dana", 4) == 0) {
		if (pcnt < 3)
			g_print("two few params, hour minute\n");
		else {
			draw_app_ana_clock(&mwdata->mwdevice, atoi(params[0]), atoi(params[1]), atoi(params[2]));
		}
	}

	params_free(params);
}

int feed_menu(mwdata_t *mdata)
{
	int rcvd;

	rcvd = read(0, (mdata->cmdline+mdata->cmdline_pos), 1);
	if (rcvd > 0) {
		if (mdata->cmdline[mdata->cmdline_pos] == '\r') {
			printf("\n");
			mdata->cmdline[mdata->cmdline_pos--] = '\0';
			process_cmd(mdata->cmdline, mdata->cmdline_pos, mdata);
			mdata->cmdline_pos = 0;
			memset(mdata->cmdline, 0, 128);
		} else {
			mdata->cmdline_pos++;
			if (mdata->cmdline_pos > 75)
				mdata->cmdline_pos = 75;
			printf("\r> %s", mdata->cmdline);
			fflush(stdout);
		}
	}
	return 0;
}


gboolean handle_mw_io(GIOChannel *mw_io, GIOCondition condition, gpointer udata)
{
	mwdata_t *mdata = (mwdata_t *)udata;
	int rcvd;

	rcvd = read(mdata->mwdevice.mw_fd, mdata->rcvbuf, 64);
#ifdef DEBUG
	fprintf(stderr, "read %d bytes:\n", rcvd);
#endif
	if (rcvd > 0) {
#ifdef DEBUG
		dump_frame(mdata->rcvbuf, rcvd);
#endif
		mw_feed_msg_buffer(&mdata->mwdevice, mdata->rcvbuf, rcvd);
	}

	return TRUE;
}

gboolean handle_min_io(GIOChannel *mw_io, GIOCondition condition, gpointer udata)
{
	mwdata_t *mdata = (mwdata_t *)udata;

	feed_menu(mdata);

	return TRUE;
}

static DBusHandlerResult
signal_filter (DBusConnection *connection, DBusMessage *message, void *user_data)
{
	//GMainLoop *loop = user_data;
	mwdata_t *mdata = (mwdata_t *)user_data;
	DBusError error;
	char *app_name, *app_icon, *summary, *body; // **actions;
	int replace_id; // dict, expire;

	/* A signal from the bus saying we are about to be disconnected */
	if (dbus_message_is_signal(message, "org.freedesktop.Local", "Disconnected")) {
		/* Tell the main loop to quit */
		g_main_loop_quit (mdata->mloop);
		/* We have handled this message, don't pass it on */
		return DBUS_HANDLER_RESULT_HANDLED;
	}

	if (dbus_message_is_method_call	(message,"org.freedesktop.Notifications", "Notify"))	{
		g_print("method call\n");
		dbus_error_init (&error);
		if (dbus_message_get_args(message, &error,
			DBUS_TYPE_STRING, &app_name,
			DBUS_TYPE_UINT32, &replace_id,
			DBUS_TYPE_STRING, &app_icon,
			DBUS_TYPE_STRING, &summary,
			DBUS_TYPE_STRING, &body,
			/*  G_TYPE_STRV, &actions,
			DBUS_TYPE_DICT_ENTRY_AS_STRING, &dict,
			DBUS_TYPE_INT32, &expire, */
			DBUS_TYPE_INVALID)) {
			g_print("Notify received: from app %s, icon %s:\nSummary: %s\nBody: %s\n", app_name, app_icon, summary, body);
			mw_send_notify(&mdata->mwdevice, summary, body);
			/* we just listen, we do not handle it here */
			return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
		} else {
			g_print("Notify received, but error getting message: %s\n", error.message);
			dbus_error_free (&error);
		}
	} else {
		g_print("Not signal received\n");
		return DBUS_HANDLER_RESULT_HANDLED;
	};

	return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}

void mw_button_event_message_cb(mwdevice_t *mwdevice, unsigned char buttons, unsigned char options, void *user_data)
{
	g_print("button event cb:0x%02x 0x%02x\n", buttons, options);
	g_print("screen is %d\n", mwdevice->screen_mode);
	if (mwdevice->screen_mode == MW_SCREEN_MODE_IDLE) {
		if (buttons == MW_BUTTON_A)
			test_application(mwdevice);
	}
	if (mwdevice->screen_mode == MW_SCREEN_MODE_APPLICATION) {
		if (buttons == MW_BUTTON_C)
			mw_update_display(mwdevice, MW_SCREEN_MODE_IDLE, 0);
	}
}

int main(int argc, char **argv)
{
	int mw_fd;
	mwdata_t mdata;
	struct termios tconfd, otconfd, tmwfd;
	bdaddr_t btaddr;
	GIOChannel *mw_io, *m_in;
	DBusConnection *bus;
	DBusError error;

	if (argc != 2) {
		fprintf(stderr, "Usage:\n\t%s <devicename>\n", argv[0]);
		return 1;
	};
  
	g_type_init();
	mdata.mloop = g_main_loop_new (NULL, FALSE);

	crc16ccitt_init();

#if USE_RFCOMM_FILE
	mw_fd = open(argv[1], O_RDWR);
	if (mw_fd < 0) {
		perror("open");
		return 1;
	};
#else
	if (str2ba(argv[1], &btaddr))
		return 1;
	mw_fd = open_socket(&btaddr, 1);
	if (mw_fd < 0) {
		return 1;
	} else {
		fprintf(stderr, "connected to %s\n", argv[1]);
	};
#endif
	/* we have a connection, RFCOMM socket is on mw_fd */
	/* make the tty raw */
	tcgetattr(mw_fd, &tmwfd);
	cfmakeraw(&tmwfd);
	tmwfd.c_oflag |= ONLCR | OPOST;
	tmwfd.c_lflag |= ISIG;
	tcsetattr(mw_fd, TCSANOW, &tmwfd);

	mdata.mwdevice.mw_fd = mw_fd;
	mdata.rcvbuf_pos = 0;
	memset(mdata.rcvbuf, 0, 128);

	dbus_error_init (&error);
	bus = dbus_bus_get (DBUS_BUS_SESSION, &error);

	if (!bus) {
		g_warning ("Failed to connect to the D-BUS daemon: %s", error.message);
		dbus_error_free (&error);
		return 1;
	}

	dbus_connection_setup_with_g_main (bus, NULL);
	dbus_bus_add_match (bus, "interface='org.freedesktop.Notifications'", &error);

	dbus_connection_add_filter (bus, signal_filter, &mdata, NULL);

	// menu(mw_fd);
	mw_io = g_io_channel_unix_new(mw_fd);
	g_io_add_watch(mw_io, G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP, handle_mw_io, &mdata);

	tcgetattr(0, &tconfd);
	tcgetattr(0, &otconfd);
	cfmakeraw(&tconfd);
	tconfd.c_oflag |= ONLCR | OPOST;
	tconfd.c_lflag |= ISIG;
	tcsetattr(0, TCSANOW, &tconfd);

	mdata.con_fd = 0;

	m_in = g_io_channel_unix_new(0); /* stdin for kbd */
	g_io_add_watch(m_in, G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP, handle_min_io, &mdata);

	memset(mdata.cmdline, 0, 128);
	mdata.cmdline_pos = 0;

	mw_init(&mdata.mwdevice, mw_fd);
	mw_set_button_event_message_cb(&mdata.mwdevice, mw_button_event_message_cb, NULL);

	g_main_loop_run (mdata.mloop);

	fsync(mw_fd);
	close(mw_fd);

	/* reset the controlling tty again */
	tcsetattr(0, TCSANOW, &otconfd);

	return 0;
};