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");
}
int mw_send_packet(int mw_fd, unsigned char msg_type, unsigned char options, unsigned char *data, unsigned char len)
{
- 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;
+ 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;
+ if (data != NULL && len > 0)
+ memcpy(frame+4, data, len);
- dump_frame(frame, tlen);
+ crc = crc16ccitt(frame, len+4);
+ *(unsigned short *)(frame+len+4) = crc;
- while (((ret = write(mw_fd, frame, tlen)) >= 0) && (tlen > 0))
- tlen -= ret;
+ dump_frame(frame, tlen);
- if (tlen == 0 && ret >= 0)
- return 0;
- else
- return ret;
+ while (((ret = write(mw_fd, frame, tlen)) >= 0) && (tlen > 0))
+ tlen -= ret;
+
+ 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);
-
- 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);
+ 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;
+
+ mw_send_packet(mw_fd, MW_SET_REAL_TIME_CLOCK, 0, data, 10);
+}
+
+/*
+ * 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");
+}
+
+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;
+ default:
+ fprintf(stderr, "Unkown msgtype 0x%02x\n", msgtype);
+ break;
+ };
+
+ return 0;
}
void process_cmd(char *cmdline, int clinep, int mw_fd)
{
- 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");
- }
+ unsigned char mdata[32];
+ unsigned char *mdatap = mdata;
+
+ 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_packet(mw_fd, MW_GET_REAL_TIME_CLOCK, 0, NULL, 0);
+ }
+ if (strncmp(cmdline, "gistr", 5) == 0) {
+ mdata[0] = 0;
+ mw_send_packet(mw_fd, MW_GET_INFORMATION_STRING, 0, mdata, 1);
+ }
+ if (strncmp(cmdline, "gdtype", 6) == 0) {
+ mw_send_packet(mw_fd, MW_GET_DEVICE_TYPE, 0, NULL, 0);
+ }
+ if (strncmp(cmdline, "rvbat", 5) == 0) {
+ mw_send_packet(mw_fd, MW_READ_BATTERY_VOLTAGE_MSG, 0, NULL, 0);
+ }
+ if (strncmp(cmdline, "modecfg", 6) == 0) {
+ memset(mdata, 0, 32);
+ mdata[0] = 4; /* timeout */
+ mdata[1] = 1; /* invert display */
+ mw_send_packet(mw_fd, MW_CONFIGURE_MODE, 0, mdata, 27);
+ }
+ 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_packet(mw_fd, MW_READ_BUTTON_CONFIG, 0, NULL, 0);
+ }
+ if (strncmp(cmdline, "svib", 4) == 0) {
+ mdata[0] = 1; /* enable */
+ *(unsigned short *)(mdatap+1) = 500; /* on miliseconds */
+ *(unsigned short *)(mdatap+3) = 500; /* off miliseconds */
+ mdata[5] = 10;
+ mw_send_packet(mw_fd, MW_SET_VIBRATE_MODE, 0, mdata, 6);
+ }
}
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);
- printf("read %d bytes:\n", rcvd);
- if (rcvd > 0) {
- dump_frame(msg_buf, rcvd);
- // decode_message(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;
+ 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;
+ };
- menu(mw_fd);
+ menu(mw_fd);
- fsync(mw_fd);
+ fsync(mw_fd);
- close(mw_fd);
+ close(mw_fd);
- return 0;
+ return 0;
};
+
projects / metawatch.git / commitdiff