X-Git-Url: https://git.kernelconcepts.de/?p=metawatch.git;a=blobdiff_plain;f=metawatch.c;h=3d11045d5dff2f6d9f91fe81590f65e524d2959c;hp=c6914ce7249706d063f475d421b431e0bf569db7;hb=a32e1e3a9f9e81bbf05beac619d1feb4941efc46;hpb=0d6cba45309388fdbe71a25739445f85ac44622b

diff --git a/metawatch.c b/metawatch.c
index c6914ce..3d11045 100644
--- a/metawatch.c
+++ b/metawatch.c
@@ -1,96 +1,497 @@
 /*
- * (c) 2011 Siegen, Germany by Nils Faerber
+ * (c) 2011 Siegen, Germany by Nils Faerber <nils.faerber@kernelconcepts.de>
  *
- * license GPL
+ * 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 "metawatch_protocol.h"
 #include "crc16ccitt.h"
 
 
+#define MW_FRAME_DELAY		0x00
+
 void dump_frame(unsigned char *frame, int len)
 {
-  int i;
-  for (i=0; i<len; i++)
-    fprintf(stderr, "0x%02x ", frame[i]);
-  fprintf(stderr, "\n");
+	int i;
+
+	for (i=0; i<len; i++)
+		fprintf(stderr, "0x%02x ", frame[i]);
+	fprintf(stderr, "\n");
 }
 
 
-void mw_send_packet(int mw_fd, unsigned char msg_type, unsigned char options, unsigned char *data, unsigned char len)
+int mw_send_frame(int mw_fd, unsigned char msg_type, unsigned char options, unsigned char *data, unsigned char len)
 {
-  unsigned short crc;
-  unsigned char frame[64];
+	unsigned short crc;
+	unsigned char frame[64];
+	int tlen = len + 6; /* payload + 6 bytes frameing */
+	int ret;
 
-  memset(frame, 0, 64);
-  frame[0] = MW_SOF;
-  frame[1] = len + 6;
-  frame[2] = msg_type;
-  frame[3] = options;
-  memcpy(frame+4, data, len);
-  
-  crc = crc16ccitt(frame, len+4);
-  *(unsigned short *)(frame+len+4) = crc;
+	memset(frame, 0, 64);
+	frame[0] = MW_SOF;
+	frame[1] = len + 6;
+	frame[2] = msg_type;
+	frame[3] = options;
+	if (data != NULL && len > 0)
+		memcpy(frame+4, data, len);
+
+	crc = crc16ccitt(frame, len+4);
+	*(unsigned short *)(frame+len+4) = crc;
+
+#ifdef DEBUG
+	dump_frame(frame, tlen);
+#endif
+
+	while (((ret = write(mw_fd, frame, tlen)) >= 0) && (tlen > 0))
+		tlen -= ret;
 
-  dump_frame(frame, len+6);
+	if (MW_FRAME_DELAY)
+		usleep(MW_FRAME_DELAY);
 
-  write(mw_fd, frame, len+6);
+	if (tlen == 0 && ret >= 0)
+		return 0;
+	else
+		return ret;
 }
 
+/*
+ * host to watch commands
+ */
+
 void mw_set_rtc(int mw_fd, unsigned char clk1224, unsigned char date_fmt)
 {
-  time_t mtime;
-  struct tm mtm;
-  unsigned short year;
-  unsigned char data[32];
-  
-  mtime = time(NULL);
-  localtime_r(&mtime, &mtm);
+	time_t mtime;
+	struct tm mtm;
+	unsigned short year;
+	unsigned char data[32];
+
+	mtime = time(NULL);
+	localtime_r(&mtime, &mtm);
 
-  year = mtm.tm_year + 1900;  
-  data[0] = (year & 0x0f00) >> 8;
-  data[1] = (year & 0x00ff);
-  data[2] = mtm.tm_mon + 1;
-  data[3] = mtm.tm_mday;
-  data[4] = mtm.tm_wday;
-  data[5] = mtm.tm_hour;
-  data[6] = mtm.tm_min;
-  data[7] = mtm.tm_sec;
-  data[8] = clk1224;
-  data[9] = date_fmt;
+	year = mtm.tm_year + 1900;  
+	data[0] = (year & 0x0f00) >> 8;
+	data[1] = (year & 0x00ff);
+	data[2] = mtm.tm_mon + 1;
+	data[3] = mtm.tm_mday;
+	data[4] = mtm.tm_wday;
+	data[5] = mtm.tm_hour;
+	data[6] = mtm.tm_min;
+	data[7] = mtm.tm_sec;
+	data[8] = clk1224;
+	data[9] = date_fmt;
 
-  mw_send_packet(mw_fd, MW_SET_REAL_TIME_CLOCK, 0, data, 10);
+	mw_send_frame(mw_fd, MW_SET_REAL_TIME_CLOCK, 0, data, 10);
 }
 
+void mw_set_vibrate_mode(int mw_fd, unsigned char enable, unsigned short on_time, unsigned short off_time, unsigned char cycles)
+{
+	unsigned char mdata[7];
+
+	mdata[0] = enable;
+	*(unsigned short *)(mdata+1) = on_time; /* miliseconds */
+	*(unsigned short *)(mdata+3) = off_time; /* miliseconds */
+	mdata[5] = cycles;
+	mw_send_frame(mw_fd, MW_SET_VIBRATE_MODE, 0, mdata, 6);
+}
+
+void mw_configure_watch_mode(int mw_fd, unsigned char mode, unsigned char save, unsigned char timeout, unsigned char invert)
+{
+	unsigned char mdata[3];
+
+	mdata[0] = timeout; /* seconds */
+	mdata[1] = invert; /* 0=normal, 1=invert */
+	mw_send_frame(mw_fd, MW_CONFIGURE_MODE, (mode & 0x0f) | ((save & 0x01) << 4), mdata, 2);
+}
+
+void mw_update_display(int mw_fd, unsigned char mode, unsigned char copy)
+{
+	mw_send_frame(mw_fd, MW_UPDATE_DISPLAY, (mode & 0x0f) | ((copy & 0x01) << 4), NULL, 0);
+}
+
+void mw_load_template(int mw_fd, unsigned char mode, unsigned char template_select)
+{
+	mw_send_frame(mw_fd, MW_LOAD_TEMPLATE, (mode & 0x0f), &template_select, 1);
+}
+
+/*
+ * send line for screen-mode mode from *buffer to watch, starting at display row row_offset
+ */
+void mw_write_buffer(int mw_fd,
+		unsigned char mode,
+		unsigned char numlines,		/* number of lines, 0=two lines or 1=one line */
+		unsigned char row_offset,	/* start at row_offset in display, e.g. lower part in idle @31 */
+		unsigned char *buffer, int buflen)
+{
+	unsigned char mdata[32];
+
+	buflen = 12 * (buflen / 12);	/* crop to 12 bytes */
+	if ((numlines == 0 && buflen < 12) || (numlines == 1 && buflen < 24)) {
+		fprintf(stderr, "mw_write_buffer: bufferlen does not match number of lines\n");
+		return;
+	};
+	memset(mdata, 0, 32);
+	mdata[0] = row_offset;
+	memcpy((mdata+1), buffer, 12);
+	if (numlines == 0) {
+		mdata[13] = row_offset+1;
+		memcpy((mdata+14), (buffer+12), 12);
+	};
+	mw_send_frame(mw_fd, MW_WRITE_BUFFER, (mode & 0x0f) | (((numlines & 0x01)<< 4) & 0x10), mdata, numlines ? 13 : 26);
+}
+
+
+/* ------------------------------------------------------------------------ */
+
+
+/*
+ * watch responses, events or notifications
+ */
+void mw_get_real_time_clock_response(int mw_fd, unsigned char *rtcrsp, int len)
+{
+	struct tm mtm;
+	unsigned short year;
+	unsigned char clk1224, date_fmt;
+
+	if (len != 10) {
+		fprintf(stderr, "get real time clock response too short %d != 10\n", len);
+		return;
+	}
+
+	year = *(unsigned short *)rtcrsp;
+	mtm.tm_year = year - 1900;
+	mtm.tm_mon = rtcrsp[2] - 1;
+	mtm.tm_mday = rtcrsp[3];
+	mtm.tm_wday = rtcrsp[4];
+	mtm.tm_hour = rtcrsp[5];
+	mtm.tm_min = rtcrsp[6];
+	mtm.tm_sec = rtcrsp[7];
+	clk1224 = rtcrsp[8];
+	date_fmt = rtcrsp[9];
+
+	fprintf(stderr, "watch RTC is %s, clock format is %s, date format is %s\n", asctime(&mtm), clk1224 ? "24h" : "AM/PM", date_fmt ? "DD/MM" : "MM/DD");
+}
+
+void mw_get_battery_voltage_response(int mw_fd, unsigned char *batrsp, int len)
+{
+	unsigned short voltage = *(unsigned short *)batrsp;
+	unsigned char power_good = batrsp[2];
+	unsigned char bat_charging = batrsp[3];
+
+	fprintf(stderr, "battery is at %dV, %s and %s\n", voltage, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");
+}
+
+void mw_status_change_event(int mw_fd, unsigned char option, unsigned char *statrsp, int len)
+{
+	fprintf(stderr, "Status change event for mode %s: %s\n", mw_screen_mode_names[option&0x0f], mw_status_string[statrsp[0]]);	
+}
+
+/* ---------------------------------------------------------------------- */
+
+int decode_frame(int mw_fd, unsigned char *buf, int len)
+{
+	unsigned short crc;
+	unsigned char msglen;
+	unsigned char msgtype;
+	unsigned char msgopt;
+	unsigned char *msgdata;
+
+	/* check frame */
+	crc = *(unsigned short *)(buf+len-2);
+	if (crc != crc16ccitt(buf, len-2)) {
+		fprintf(stderr, "decode frame CRC error\n");
+		return 1;
+	} else
+		fprintf(stderr, "decode frame CRC OK\n");
+	if (buf[0] != MW_SOF) {
+		fprintf(stderr, "decode frame SOF not found\n");
+		return 1;
+	} else
+	fprintf(stderr, "decode frame found SOF\n");
+
+	msglen = buf[1];
+	msgtype = buf[2];
+	msgopt = buf[3];
+	msgdata = (buf+4);
+
+	switch (msgtype) {
+		case MW_GET_REAL_TIME_CLOCK_RSP:
+			mw_get_real_time_clock_response(mw_fd, msgdata, len-4-2);
+			break;
+		case MW_GET_INFORMATION_STRING_RSP:
+			msgdata[len-4-2] = 0;
+			fprintf(stderr, "Got info string '%s'\n", (msgdata+4));
+			break;
+		case MW_READ_BATTERY_VOLTAGE_RSP:
+			mw_get_battery_voltage_response(mw_fd, msgdata, len-4-2);
+			break;
+		case MW_LOW_BATTERY_WARNING_MSG:
+			fprintf(stderr, "Watch battery low, please connect charger\n");
+			break;
+		case MW_LOW_BATTERY_BT_OFF_MSG:
+			fprintf(stderr, "Watch battery extremely low - radio will turn off\n");
+			break;
+		case MW_STATUS_CHANGE_EVENT:
+			mw_status_change_event(mw_fd, msgopt, msgdata, len-4-2);
+			break;
+		default:
+			fprintf(stderr, "Unkown msgtype 0x%02x\n", msgtype);
+			break;
+	};
+
+	return 0;
+}
+
+
+void bitmap_test(int mw_fd)
+{
+	/* 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(mw_fd, MW_SCREEN_MODE_IDLE, 0, 31, checkbuf, 24);
+	mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 33, checkbuf, 24);
+	mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 35, checkbuf, 24);
+	mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 37, checkbuf, 24);
+
+	mw_update_display(mw_fd, MW_SCREEN_MODE_IDLE, 1);
+}
+
+
+void flip_buffer_bytes(unsigned char invert, unsigned char *buf, int len)
+{
+	int i;
+	unsigned char tmp;
+
+	while (len--) {
+		tmp = 0;
+		for (i=0; i<8; i++)
+			tmp |= ((*buf & (1<<i)) >> i) << (7-i);
+		// fprintf(stderr, "0x%02x -> 0x%02x\n", *buf, tmp);
+		*buf = invert ? ~tmp : tmp;
+		buf++;
+	}
+}
+
+void bitmap_read(int mw_fd)
+{
+	int ffd, ret;
+	char rbuf[256];
+	unsigned int width, height, i, x, y;
+	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);
+
+	fprintf(stderr, "bitmap resolution is %d x %d\n", width, height);
+
+	rowlength = ((width / 8) + 1);
+	fprintf(stderr, "row length = %d bytes\n", rowlength);
+
+	bmapbuf = malloc(rowlength * height);
+
+	ret = read(ffd, bmapbuf, rowlength * height);
+	close(ffd);
+	fprintf(stderr, "read %d of %d bytes\n", ret, rowlength * height);
+
+#if 0
+	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
+
+	flip_buffer_bytes(1, bmapbuf, rowlength * height);
+
+	for (y=0; y<height; y+=2) {
+		memset(mw_buf, 0, 24);
+		memcpy(mw_buf, (bmapbuf+(y*rowlength)), (rowlength > 12) ? 12 : rowlength);
+		memcpy((mw_buf+12), (bmapbuf+((y+1)*rowlength)), (rowlength > 12) ? 12 : rowlength);
+		mw_write_buffer(mw_fd, MW_SCREEN_MODE_IDLE, 0, 31+y, mw_buf, 24);
+	}
+	mw_update_display(mw_fd, MW_SCREEN_MODE_IDLE, 1);
+
+	free(bmapbuf);
+}
+
+
+void process_cmd(char *cmdline, int clinep, int mw_fd)
+{
+	unsigned char mdata[32];
+
+	fprintf(stderr, "command: '%s'\n", cmdline);
+
+	if (strncmp(cmdline, "quit", 4) == 0) {
+		close(mw_fd);
+		exit(0);
+	}
+
+	if (strncmp(cmdline, "srtc", 4) == 0) {
+		fprintf(stderr, "Setting RTC from system time...");
+		mw_set_rtc(mw_fd, MW_RTC_CLOCK_24HR, MW_RTC_DATE_DDMM);
+		fprintf(stderr, "OK\n");
+	}
+	if (strncmp(cmdline, "grtc", 4) == 0) {
+		mw_send_frame(mw_fd, MW_GET_REAL_TIME_CLOCK, 0, NULL, 0);
+	}
+	if (strncmp(cmdline, "gistr", 5) == 0) {
+		mdata[0] = 0;
+		mw_send_frame(mw_fd, MW_GET_INFORMATION_STRING, 0, mdata, 1);
+	}
+	if (strncmp(cmdline, "gdtype", 6) == 0) {
+		mw_send_frame(mw_fd, MW_GET_DEVICE_TYPE, 0, NULL, 0);
+	}
+	if (strncmp(cmdline, "rvbat", 5) == 0) {
+		mw_send_frame(mw_fd, MW_READ_BATTERY_VOLTAGE_MSG, 0, NULL, 0);
+	}
+	if (strncmp(cmdline, "modecfg", 6) == 0) {
+		mw_configure_watch_mode(mw_fd, MW_SCREEN_MODE_IDLE, 0, 4, 1);
+		mw_update_display(mw_fd, MW_SCREEN_MODE_IDLE, 0);
+	}
+	if (strncmp(cmdline, "rbtcfg", 6) == 0) {
+		mdata[0] = 0; /* idle screen */
+		mdata[1] = 1; /* button index */
+		mdata[2] = 2; /* button press type */
+		mdata[3] = 3; /* callback message type */
+		mdata[4] = 4; /* callback message option */
+		mw_send_frame(mw_fd, MW_READ_BUTTON_CONFIG, 0, NULL, 0);
+	}
+	if (strncmp(cmdline, "svib", 4) == 0) {
+		mw_set_vibrate_mode(mw_fd, 1, 300, 300, 5);
+	}
+	if (strncmp(cmdline, "tbmp", 4) == 0) {
+		bitmap_test(mw_fd);
+	}
+	if (strncmp(cmdline, "rbmp", 4) == 0) {
+		bitmap_read(mw_fd);
+	}
+}
+
+
+int menu(int mw_fd)
+{
+	fd_set mfds;
+	struct termios tconfd;
+	char cmdline[128];
+	unsigned char msg_buf[64];
+	unsigned char clinep = 0;
+	int rcvd;
+
+	tcgetattr(0, &tconfd);
+	cfmakeraw(&tconfd);
+	tconfd.c_oflag |= ONLCR | OPOST;
+	tconfd.c_lflag |= ISIG;
+	tcsetattr(0, TCSANOW, &tconfd);
+
+	FD_ZERO(&mfds);
+	FD_SET(0, &mfds);
+	FD_SET(mw_fd, &mfds);
+
+	memset(cmdline, 0, 128);
+
+	do {
+		rcvd = 0;
+		if (select(mw_fd+1, &mfds, NULL, NULL, NULL) > 0) {
+			if (FD_ISSET(mw_fd, &mfds)) {
+				rcvd = read(mw_fd, msg_buf, 64);
+				fprintf(stderr, "read %d bytes:\n", rcvd);
+				if (rcvd > 0) {
+					dump_frame(msg_buf, rcvd);
+					decode_frame(mw_fd, msg_buf, rcvd);
+				}
+			};
+			if (FD_ISSET(0, &mfds)) {
+				rcvd = read(0, (cmdline+clinep), 1);
+				if (rcvd > 0) {
+					if (cmdline[clinep] == '\r') {
+						printf("\n");
+						cmdline[clinep--] = '\0';
+						process_cmd(cmdline, clinep, mw_fd);
+						clinep = 0;
+						memset(cmdline, 0, 128);
+					} else {
+						clinep++;
+						if (clinep > 75)
+							clinep = 75;
+						printf("\r> %s", cmdline);
+						fflush(stdout);
+					}
+				}
+			};
+		} else
+			break;
+		FD_ZERO(&mfds);
+		FD_SET(0, &mfds);
+		FD_SET(mw_fd, &mfds);
+	} while (rcvd > 0);
+
+	return 0;
+}
 
 int main(int argc, char **argv)
 {
-  int mw_fd;
+	int mw_fd;
 
-  if (argc != 2) {
-    fprintf(stderr, "Usage:\n\t%s <devicename>\n", argv[0]);
-    return 1;
-  };
+	if (argc != 2) {
+		fprintf(stderr, "Usage:\n\t%s <devicename>\n", argv[0]);
+		return 1;
+	};
   
-  crc16ccitt_init();
+	crc16ccitt_init();
 
-  mw_fd = open(argv[1], O_RDWR);
-  if (mw_fd < 0) {
-    perror("open");
-    return 1;
-  };
+	mw_fd = open(argv[1], O_RDWR);
+	if (mw_fd < 0) {
+		perror("open");
+		return 1;
+	};
 
-  mw_set_rtc(mw_fd, MW_RTC_CLOCK_24HR, MW_RTC_DATE_DDMM);
+	menu(mw_fd);
 
-  fsync(mw_fd);
+	fsync(mw_fd);
 
-  close(mw_fd);
+	close(mw_fd);
 
-  return 0;
+	return 0;
 };
+