Add calendar display command "cal"

mw_main.c

@@ -233,6 +233,122 @@ void test_notification(mwdevice_t *mwdevice)
 	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,da,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, 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;
@@ -343,7 +459,7 @@ void process_cmd(char *cmdline, int clinep, mwdata_t *mwdata)
 	}
 	if (strncmp(cmdline, "srtc", 4) == 0) {
 		fprintf(stderr, "Setting RTC from system time...");
-		mw_set_rtc(&mwdata->mwdevice, MW_RTC_CLOCK_12HR, MW_RTC_DATE_MMDD);
+		mw_set_rtc(&mwdata->mwdevice, MW_RTC_CLOCK_24HR, MW_RTC_DATE_DDMM);
 		fprintf(stderr, "OK\n");
 	}
 	if (strncmp(cmdline, "grtc", 4) == 0) {
@@ -416,6 +532,9 @@ void process_cmd(char *cmdline, int clinep, mwdata_t *mwdata)
 		//mw_write_oled_buffer(mwdevice, 0, 80, 0, mdata, 10);
 		//mw_send_frame(mwdevice, MW_UPDATE_OLED_DISPLAY_MSG, 0, NULL, 0);
 	}
+	if (strncmp(cmdline, "cal", 3) == 0) {
+		draw_idle_calendar(&mwdata->mwdevice);
+	}
 }