X-Git-Url: https://git.kernelconcepts.de/?p=metawatch.git;a=blobdiff_plain;f=metawatch.c;h=dd3af80b80a7bedde765fd8cea43bb168ea95d42;hp=7305b033e9ab1f3e7b40c2a988810037b8f75d14;hb=6e7a56e3e82a6c28f2267c63159a86f484c1b122;hpb=5c3d6461a1e52a6741efe989f8f1170edd6111a5 diff --git a/metawatch.c b/metawatch.c index 7305b03..dd3af80 100644 --- a/metawatch.c +++ b/metawatch.c @@ -1,29 +1,446 @@ /* - * (c) 2011 Siegen, Germany by Nils Faerber + * (c) 2011 Siegen, Germany by Nils Faerber * - * license GPL + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. */ + #include #include #include #include +#include +#include +#include +#include +#include +#include +#include "metawatch.h" #include "metawatch_protocol.h" +#include "crc16ccitt.h" -int main(int argc, char **argv) -{ - int mwfd; - if (argc != 2) { - fprintf(stderr, "Usage:\n\t%s \n", argv[0]); - return 1; - }; - - mwfd = open(argv[1], O_RDWR); - if (mwfd < 0) { - perror("open"); - return 1; - }; +#ifdef DEBUG +const char *mw_screen_mode_names[] = { + "idle screen", + "application screen", + "notification screen", + "scroll" +}; - return 0; +const char *mw_status_string[] = { + "Reserved", + "Mode Change", + "Display Timeout" }; +#endif + + +#define MW_FRAME_DELAY 0x00 + +void dump_frame(unsigned char *frame, int len) +{ + int i; + + for (i=0; i 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; + + if (MW_FRAME_DELAY) + usleep(MW_FRAME_DELAY); + + 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_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); +} + +void mw_enable_button(int mw_fd, + unsigned char mode, + unsigned char button_index, + unsigned char press_type, + unsigned char callback_type, + unsigned char callback_option) +{ + unsigned char mdata[32]; + + memset(mdata, 0, 32); + mdata[0] = mode; + mdata[1] = button_index; + mdata[2] = press_type; + mdata[3] = callback_type; + mdata[4] = callback_option; + mw_send_frame(mw_fd, MW_ENABLE_BUTTON, 0, mdata, 5); +} + +void mw_disable_button(int mw_fd, + unsigned char mode, + unsigned char button_index, + unsigned char press_type) +{ + unsigned char mdata[32]; + + memset(mdata, 0, 32); + mdata[0] = mode; + mdata[1] = button_index; + mdata[2] = press_type; + mw_send_frame(mw_fd, MW_ENABLE_BUTTON, 0, mdata, 3); +} + +/* ---------------------------------------------------------------------- + * 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_read_button_config_response(int mw_fd, unsigned char *btnrsp, int len) +{ + fprintf(stderr, "read button config response\n"); + fprintf(stderr, "screen mode : 0x%02x\n", btnrsp[0]); + fprintf(stderr, "button index : 0x%02x\n", btnrsp[1]); + fprintf(stderr, "mask table : 0x%02x (", btnrsp[2]); + fprintf(stderr, "%s ", (btnrsp[2] & 0x01) ? "Absolute, " : ""); + fprintf(stderr, "%s ", (btnrsp[2] & 0x02) ? "Press&Release, " : ""); + fprintf(stderr, "%s ", (btnrsp[2] & 0x04) ? "Press&Hold, " : ""); + fprintf(stderr, "%s ", (btnrsp[2] & 0x08) ? "Press&LongHold, " : ""); + fprintf(stderr, "%s ", (btnrsp[2] & 0x10) ? "Immediate" : ""); + fprintf(stderr, ")\n"); + fprintf(stderr, "callback msg type: 0x%02x\n", btnrsp[3]); + fprintf(stderr, "callback msg opts: 0x%02d\n", btnrsp[4]); +} + +void mw_read_light_sensor_response(int mw_fd, unsigned char *lightrsp, int len) +{ + unsigned char power_good = lightrsp[0]; + unsigned char bat_charging = lightrsp[1]; + unsigned short voltage = *(unsigned short *)(lightrsp+2); + + fprintf(stderr, "light sensor is at %d, power stat: %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) +{ +#ifdef DEBUG + fprintf(stderr, "Status change event for mode %s: %s\n", mw_screen_mode_names[option&0x0f], mw_status_string[statrsp[0]]); +#endif +} + + +/* ---------------------------------------------------------------------- + * Protocol handling + * ---------------------------------------------------------------------- */ + + +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; + } +#ifdef DEBUG + else + fprintf(stderr, "decode frame CRC OK\n"); +#endif + if (buf[0] != MW_SOF) { + fprintf(stderr, "decode frame SOF not found\n"); + return 1; + } +#ifdef DEBUG + else + fprintf(stderr, "decode frame found SOF\n"); +#endif + + msglen = buf[1]; + msgtype = buf[2]; + msgopt = buf[3]; + msgdata = (buf+4); + + switch (msgtype) { + case MW_GET_DEVICE_TYPE_RSP: + fprintf(stderr, "Got device type "); + switch(msgdata[0]) { + case 0: + fprintf(stderr, "Reserved\n"); + break; + case 1: + fprintf(stderr, "Ana-Digi\n"); + break; + case 2: + fprintf(stderr, "Digital\n"); + break; + case 3: + fprintf(stderr, "Development Board Digital\n"); + break; + case 4: + fprintf(stderr, "Development Board Ana-Digi\n"); + break; + default: + fprintf(stderr, "unknown %d\n", msgdata[0]); + break; + }; + break; + case MW_GET_INFORMATION_STRING_RSP: + msgdata[len-2] = 0; + fprintf(stderr, "Got info string '%s'\n", msgdata); + break; + case MW_GET_REAL_TIME_CLOCK_RSP: + mw_get_real_time_clock_response(mw_fd, msgdata, len-2); + break; + case MW_READ_BATTERY_VOLTAGE_RSP: + mw_get_battery_voltage_response(mw_fd, msgdata, len-2); + break; + case MW_READ_LIGHT_SENSOR_RSP: + mw_read_light_sensor_response(mw_fd, msgdata, len-2); + break; + case MW_LOW_BATTERY_WARNING_MSG: + fprintf(stderr, "Watch battery low, please connect charger\n"); + break; + case MW_READ_BUTTON_CONFIG_RSP: + mw_read_button_config_response(mw_fd, msgdata, len-2); + break; + case MW_BUTTON_EVENT_MESSAGE: + fprintf(stderr, "Button event message\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-2); + break; + default: + fprintf(stderr, "Unkown msgtype 0x%02x\n", msgtype); + break; + }; + + return 0; +} + + +/* ---------------------------------------------------------------------- + * Convenience functions not strictly part of the protocol + * ---------------------------------------------------------------------- */ + +/* if flip=1 bits in each byte are inverted 7->1, 6->2, 5->3,... + if invert=1 each byte is inverted + */ +void bmap_buffer_flipinvert(unsigned char flip, unsigned char invert, unsigned char *buf, int len) +{ + int i; + unsigned char tmp; + + while (len--) { + tmp = 0; + if (flip) { + for (i=0; i<8; i++) + tmp |= ((*buf & (1<> i) << (7-i); + // fprintf(stderr, "0x%02x -> 0x%02x\n", *buf, tmp); + } else + tmp = *buf; + *buf = invert ? ~tmp : tmp; + buf++; + } +} + + +void mw_send_bitmap(int mw_fd, unsigned char mode, int width, int height, int offset, unsigned char *bmapbuf, int buflen) +{ +#ifdef DEBUG + unsigned int i, x; +#endif + unsigned int y, rowlength; + unsigned char mw_buf[24]; + + rowlength = (((width-1) / 8) + 1); + if ((height + offset) > 96) + height = 96 - offset; + +#ifdef DEBUG + fprintf(stderr, "row length = %d bytes\n", rowlength); + fprintf(stderr, "bitmap resolution is %d x %d\n", width, height); + fprintf(stderr, "\n"); + for (y=0; y 12) ? 12 : rowlength); + memcpy((mw_buf+12), (bmapbuf+((y+1)*rowlength)), (rowlength > 12) ? 12 : rowlength); + mw_write_buffer(mw_fd, mode, 0, offset+y, mw_buf, 24); + } +} +