Mostly reformatting
This commit is contained in:
Nils Faerber
parent
5c2abd6bea
commit
33ec672c8d
2 changed files with 254 additions and 120 deletions
371
metawatch.c
371
metawatch.c
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@ -19,164 +19,297 @@
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void dump_frame(unsigned char *frame, int len)
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void dump_frame(unsigned char *frame, int len)
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{
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{
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int i;
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int i;
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for (i=0; i<len; i++)
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fprintf(stderr, "0x%02x ", frame[i]);
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for (i=0; i<len; i++)
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fprintf(stderr, "\n");
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fprintf(stderr, "0x%02x ", frame[i]);
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fprintf(stderr, "\n");
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}
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}
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int mw_send_packet(int mw_fd, unsigned char msg_type, unsigned char options, unsigned char *data, unsigned char len)
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int mw_send_packet(int mw_fd, unsigned char msg_type, unsigned char options, unsigned char *data, unsigned char len)
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{
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{
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unsigned short crc;
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unsigned short crc;
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unsigned char frame[64];
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unsigned char frame[64];
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int tlen = len + 6; /* payload + 6 bytes frameing */
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int tlen = len + 6; /* payload + 6 bytes frameing */
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int ret;
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int ret;
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memset(frame, 0, 64);
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memset(frame, 0, 64);
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frame[0] = MW_SOF;
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frame[0] = MW_SOF;
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frame[1] = len + 6;
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frame[1] = len + 6;
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frame[2] = msg_type;
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frame[2] = msg_type;
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frame[3] = options;
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frame[3] = options;
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memcpy(frame+4, data, len);
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if (data != NULL && len > 0)
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memcpy(frame+4, data, len);
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crc = crc16ccitt(frame, len+4);
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*(unsigned short *)(frame+len+4) = crc;
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dump_frame(frame, tlen);
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crc = crc16ccitt(frame, len+4);
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*(unsigned short *)(frame+len+4) = crc;
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while (((ret = write(mw_fd, frame, tlen)) >= 0) && (tlen > 0))
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dump_frame(frame, tlen);
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tlen -= ret;
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if (tlen == 0 && ret >= 0)
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while (((ret = write(mw_fd, frame, tlen)) >= 0) && (tlen > 0))
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return 0;
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tlen -= ret;
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else
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return ret;
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if (tlen == 0 && ret >= 0)
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return 0;
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else
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return ret;
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}
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}
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/*
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* host to watch commands
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*/
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void mw_set_rtc(int mw_fd, unsigned char clk1224, unsigned char date_fmt)
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void mw_set_rtc(int mw_fd, unsigned char clk1224, unsigned char date_fmt)
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{
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{
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time_t mtime;
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time_t mtime;
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struct tm mtm;
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struct tm mtm;
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unsigned short year;
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unsigned short year;
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unsigned char data[32];
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unsigned char data[32];
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mtime = time(NULL);
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localtime_r(&mtime, &mtm);
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year = mtm.tm_year + 1900;
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mtime = time(NULL);
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data[0] = (year & 0x0f00) >> 8;
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localtime_r(&mtime, &mtm);
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data[1] = (year & 0x00ff);
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data[2] = mtm.tm_mon + 1;
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data[3] = mtm.tm_mday;
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data[4] = mtm.tm_wday;
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data[5] = mtm.tm_hour;
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data[6] = mtm.tm_min;
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data[7] = mtm.tm_sec;
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data[8] = clk1224;
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data[9] = date_fmt;
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mw_send_packet(mw_fd, MW_SET_REAL_TIME_CLOCK, 0, data, 10);
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year = mtm.tm_year + 1900;
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data[0] = (year & 0x0f00) >> 8;
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data[1] = (year & 0x00ff);
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data[2] = mtm.tm_mon + 1;
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data[3] = mtm.tm_mday;
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data[4] = mtm.tm_wday;
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data[5] = mtm.tm_hour;
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data[6] = mtm.tm_min;
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data[7] = mtm.tm_sec;
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data[8] = clk1224;
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data[9] = date_fmt;
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mw_send_packet(mw_fd, MW_SET_REAL_TIME_CLOCK, 0, data, 10);
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}
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/*
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* watch responses, events or notifications
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*/
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void mw_get_real_time_clock_response(int mw_fd, unsigned char *rtcrsp, int len)
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{
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struct tm mtm;
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unsigned short year;
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unsigned char clk1224, date_fmt;
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if (len != 10) {
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fprintf(stderr, "get real time clock response too short %d != 10\n", len);
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return;
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}
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year = *(unsigned short *)rtcrsp;
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mtm.tm_year = year - 1900;
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mtm.tm_mon = rtcrsp[2] - 1;
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mtm.tm_mday = rtcrsp[3];
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mtm.tm_wday = rtcrsp[4];
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mtm.tm_hour = rtcrsp[5];
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mtm.tm_min = rtcrsp[6];
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mtm.tm_sec = rtcrsp[7];
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clk1224 = rtcrsp[8];
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date_fmt = rtcrsp[9];
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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");
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}
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void mw_get_battery_voltage_response(int mw_fd, unsigned char *batrsp, int len)
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{
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unsigned short voltage = *(unsigned short *)batrsp;
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unsigned char power_good = batrsp[2];
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unsigned char bat_charging = batrsp[3];
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fprintf(stderr, "battery is at %dV, %s and %s\n", voltage, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");
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}
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int decode_frame(int mw_fd, unsigned char *buf, int len)
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{
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unsigned short crc;
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unsigned char msglen;
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unsigned char msgtype;
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unsigned char msgopt;
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unsigned char *msgdata;
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/* check frame */
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crc = *(unsigned short *)(buf+len-2);
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if (crc != crc16ccitt(buf, len-2)) {
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fprintf(stderr, "decode frame CRC error\n");
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return 1;
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} else
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fprintf(stderr, "decode frame CRC OK\n");
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if (buf[0] != MW_SOF) {
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fprintf(stderr, "decode frame SOF not found\n");
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return 1;
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} else
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fprintf(stderr, "decode frame found SOF\n");
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msglen = buf[1];
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msgtype = buf[2];
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msgopt = buf[3];
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msgdata = (buf+4);
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switch (msgtype) {
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case MW_GET_REAL_TIME_CLOCK_RSP:
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mw_get_real_time_clock_response(mw_fd, msgdata, len-4-2);
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break;
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case MW_GET_INFORMATION_STRING_RSP:
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msgdata[len-4-2] = 0;
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fprintf(stderr, "Got info string '%s'\n", (msgdata+4));
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break;
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case MW_READ_BATTERY_VOLTAGE_RSP:
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mw_get_battery_voltage_response(mw_fd, msgdata, len-4-2);
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break;
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case MW_LOW_BATTERY_WARNING_MSG:
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fprintf(stderr, "Watch battery low, please connect charger\n");
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break;
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case MW_LOW_BATTERY_BT_OFF_MSG:
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fprintf(stderr, "Watch battery extremely low - radio will turn off\n");
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break;
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default:
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fprintf(stderr, "Unkown msgtype 0x%02x\n", msgtype);
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break;
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};
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return 0;
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}
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}
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void process_cmd(char *cmdline, int clinep, int mw_fd)
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void process_cmd(char *cmdline, int clinep, int mw_fd)
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{
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{
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fprintf(stderr, "command: '%s'\n", cmdline);
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unsigned char mdata[32];
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unsigned char *mdatap = mdata;
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if (strncmp(cmdline, "quit", 4) == 0) {
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fprintf(stderr, "command: '%s'\n", cmdline);
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close(mw_fd);
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exit(0);
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}
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if (strncmp(cmdline, "srtc", 4) == 0) {
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if (strncmp(cmdline, "quit", 4) == 0) {
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fprintf(stderr, "Setting RTC from system time...");
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close(mw_fd);
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mw_set_rtc(mw_fd, MW_RTC_CLOCK_24HR, MW_RTC_DATE_DDMM);
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exit(0);
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fprintf(stderr, "OK\n");
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}
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}
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if (strncmp(cmdline, "srtc", 4) == 0) {
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fprintf(stderr, "Setting RTC from system time...");
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mw_set_rtc(mw_fd, MW_RTC_CLOCK_24HR, MW_RTC_DATE_DDMM);
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fprintf(stderr, "OK\n");
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}
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if (strncmp(cmdline, "grtc", 4) == 0) {
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mw_send_packet(mw_fd, MW_GET_REAL_TIME_CLOCK, 0, NULL, 0);
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}
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if (strncmp(cmdline, "gistr", 5) == 0) {
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mdata[0] = 0;
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mw_send_packet(mw_fd, MW_GET_INFORMATION_STRING, 0, mdata, 1);
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}
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if (strncmp(cmdline, "gdtype", 6) == 0) {
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mw_send_packet(mw_fd, MW_GET_DEVICE_TYPE, 0, NULL, 0);
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}
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if (strncmp(cmdline, "rvbat", 5) == 0) {
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mw_send_packet(mw_fd, MW_READ_BATTERY_VOLTAGE_MSG, 0, NULL, 0);
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}
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if (strncmp(cmdline, "modecfg", 6) == 0) {
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memset(mdata, 0, 32);
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mdata[0] = 4; /* timeout */
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mdata[1] = 1; /* invert display */
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mw_send_packet(mw_fd, MW_CONFIGURE_MODE, 0, mdata, 27);
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}
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if (strncmp(cmdline, "rbtcfg", 6) == 0) {
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mdata[0] = 0; /* idle screen */
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mdata[1] = 1; /* button index */
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mdata[2] = 2; /* button press type */
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mdata[3] = 3; /* callback message type */
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mdata[4] = 4; /* callback message option */
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mw_send_packet(mw_fd, MW_READ_BUTTON_CONFIG, 0, NULL, 0);
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}
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if (strncmp(cmdline, "svib", 4) == 0) {
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mdata[0] = 1; /* enable */
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*(unsigned short *)(mdatap+1) = 500; /* on miliseconds */
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*(unsigned short *)(mdatap+3) = 500; /* off miliseconds */
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mdata[5] = 10;
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mw_send_packet(mw_fd, MW_SET_VIBRATE_MODE, 0, mdata, 6);
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}
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}
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}
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int menu(int mw_fd)
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int menu(int mw_fd)
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{
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{
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fd_set mfds;
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fd_set mfds;
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struct termios tconfd;
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struct termios tconfd;
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char cmdline[128];
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char cmdline[128];
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unsigned char msg_buf[64];
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unsigned char msg_buf[64];
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unsigned char clinep = 0;
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unsigned char clinep = 0;
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int rcvd;
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int rcvd;
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tcgetattr(0, &tconfd);
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tcgetattr(0, &tconfd);
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cfmakeraw(&tconfd);
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cfmakeraw(&tconfd);
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tconfd.c_oflag |= ONLCR | OPOST;
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tconfd.c_oflag |= ONLCR | OPOST;
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tconfd.c_lflag |= ISIG;
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tconfd.c_lflag |= ISIG;
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tcsetattr(0, TCSANOW, &tconfd);
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tcsetattr(0, TCSANOW, &tconfd);
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FD_ZERO(&mfds);
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FD_SET(0, &mfds);
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FD_SET(mw_fd, &mfds);
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memset(cmdline, 0, 128);
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FD_ZERO(&mfds);
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FD_SET(0, &mfds);
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FD_SET(mw_fd, &mfds);
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do {
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memset(cmdline, 0, 128);
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rcvd = 0;
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if (select(mw_fd+1, &mfds, NULL, NULL, NULL) > 0) {
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if (FD_ISSET(mw_fd, &mfds)) {
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rcvd = read(mw_fd, msg_buf, 64);
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printf("read %d bytes:\n", rcvd);
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if (rcvd > 0) {
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dump_frame(msg_buf, rcvd);
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// decode_message(mw_fd, msg_buf, rcvd);
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}
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};
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if (FD_ISSET(0, &mfds)) {
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rcvd = read(0, (cmdline+clinep), 1);
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if (rcvd > 0) {
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if (cmdline[clinep] == '\r') {
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printf("\n");
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cmdline[clinep--] = '\0';
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process_cmd(cmdline, clinep, mw_fd);
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clinep = 0;
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memset(cmdline, 0, 128);
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} else {
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clinep++;
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if (clinep > 75)
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clinep = 75;
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printf("\r> %s", cmdline);
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fflush(stdout);
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}
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}
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};
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} else
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break;
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FD_ZERO(&mfds);
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FD_SET(0, &mfds);
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FD_SET(mw_fd, &mfds);
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} while (rcvd > 0);
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return 0;
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do {
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rcvd = 0;
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if (select(mw_fd+1, &mfds, NULL, NULL, NULL) > 0) {
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if (FD_ISSET(mw_fd, &mfds)) {
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rcvd = read(mw_fd, msg_buf, 64);
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fprintf(stderr, "read %d bytes:\n", rcvd);
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if (rcvd > 0) {
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dump_frame(msg_buf, rcvd);
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decode_frame(mw_fd, msg_buf, rcvd);
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}
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};
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if (FD_ISSET(0, &mfds)) {
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rcvd = read(0, (cmdline+clinep), 1);
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if (rcvd > 0) {
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if (cmdline[clinep] == '\r') {
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printf("\n");
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cmdline[clinep--] = '\0';
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process_cmd(cmdline, clinep, mw_fd);
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clinep = 0;
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memset(cmdline, 0, 128);
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} else {
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clinep++;
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if (clinep > 75)
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clinep = 75;
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printf("\r> %s", cmdline);
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fflush(stdout);
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}
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}
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};
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} else
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break;
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FD_ZERO(&mfds);
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FD_SET(0, &mfds);
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FD_SET(mw_fd, &mfds);
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} while (rcvd > 0);
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return 0;
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}
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}
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int main(int argc, char **argv)
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int main(int argc, char **argv)
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{
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{
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int mw_fd;
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int mw_fd;
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if (argc != 2) {
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if (argc != 2) {
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fprintf(stderr, "Usage:\n\t%s <devicename>\n", argv[0]);
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fprintf(stderr, "Usage:\n\t%s <devicename>\n", argv[0]);
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return 1;
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return 1;
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};
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};
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crc16ccitt_init();
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crc16ccitt_init();
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||||||
mw_fd = open(argv[1], O_RDWR);
|
mw_fd = open(argv[1], O_RDWR);
|
||||||
if (mw_fd < 0) {
|
if (mw_fd < 0) {
|
||||||
perror("open");
|
perror("open");
|
||||||
return 1;
|
return 1;
|
||||||
};
|
};
|
||||||
|
|
||||||
menu(mw_fd);
|
menu(mw_fd);
|
||||||
|
|
||||||
fsync(mw_fd);
|
fsync(mw_fd);
|
||||||
|
|
||||||
close(mw_fd);
|
close(mw_fd);
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -1,7 +1,7 @@
|
||||||
#ifndef _MW_PROT_H
|
#ifndef _MW_PROT_H
|
||||||
#define _MW_PROT_H
|
#define _MW_PROT_H
|
||||||
|
|
||||||
#define MW_SOF 0x01
|
#define MW_SOF 0x01
|
||||||
|
|
||||||
#define MW_GET_DEVICE_TYPE 0x01
|
#define MW_GET_DEVICE_TYPE 0x01
|
||||||
#define MW_GET_DEVICE_TYPE_RSP 0x02
|
#define MW_GET_DEVICE_TYPE_RSP 0x02
|
||||||
|
|
@ -46,3 +46,4 @@
|
||||||
|
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue