#define MW_FRAME_DELAY 0x00
+/* ----------------------------------------------------------------------
+ * Debugging helpers
+ * ---------------------------------------------------------------------- */
+
void dump_frame(unsigned char *frame, int len)
{
int i;
}
-int mw_send_frame(int mw_fd, unsigned char msg_type, unsigned char options, unsigned char *data, unsigned char len)
+int mw_send_frame(mwdevice_t *mwdevice, unsigned char msg_type, unsigned char options, unsigned char *data, unsigned char len)
{
unsigned short crc;
unsigned char frame[64];
dump_frame(frame, tlen);
#endif
- while (((ret = write(mw_fd, frame, tlen)) >= 0) && (tlen > 0))
+ while (((ret = write(mwdevice->mw_fd, frame, tlen)) >= 0) && (tlen > 0))
tlen -= ret;
if (MW_FRAME_DELAY)
* ---------------------------------------------------------------------- */
-void mw_set_rtc(int mw_fd, unsigned char clk1224, unsigned char date_fmt)
+int mw_set_rtc(mwdevice_t *mwdevice)
{
time_t mtime;
struct tm mtm;
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);
+ return mw_send_frame(mwdevice, MW_SET_REAL_TIME_CLOCK, 0, data, 8);
}
-void mw_set_vibrate_mode(int mw_fd, unsigned char enable, unsigned short on_time, unsigned short off_time, unsigned char cycles)
+int mw_nval_operation(mwdevice_t *mwdevice, unsigned char operation, unsigned short identifier, unsigned char size, void *mdata)
+{
+ unsigned char data[32];
+
+ data[0] = (identifier & 0x00ff);
+ data[1] = (identifier & 0xff00) >> 8;
+ data[2] = size;
+ if (size > 0 && mdata != NULL)
+ memcpy((data+3), mdata, size);
+
+ if (operation == MW_NVAL_OPERATION_READ || operation == MW_NVAL_OPERATION_WRITE) {
+ return mw_send_frame(mwdevice, MW_NVAL_OPERATION, operation, data, 3+size);
+ } else
+ return -1;
+}
+
+int mw_set_vibrate_mode(mwdevice_t *mwdevice, unsigned char enable, unsigned short on_time, unsigned short off_time, unsigned char cycles)
{
unsigned char mdata[7];
*(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);
+
+ return mw_send_frame(mwdevice, 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)
+int mw_configure_watch_mode(mwdevice_t *mwdevice, 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);
+
+ return mw_send_frame(mwdevice, MW_CONFIGURE_MODE, (mode & 0x0f) | ((save & 0x01) << 4), mdata, 2);
}
-void mw_update_display(int mw_fd, unsigned char mode, unsigned char copy)
+int mw_update_display(mwdevice_t *mwdevice, unsigned char mode, unsigned char copy)
{
- mw_send_frame(mw_fd, MW_UPDATE_DISPLAY, (mode & 0x0f) | ((copy & 0x01) << 4), NULL, 0);
+ mwdevice->screen_mode = (mode & 0x0f);
+ return mw_send_frame(mwdevice, MW_UPDATE_DISPLAY, (mode & 0x0f) | ((copy & 0x01) << 4), NULL, 0);
}
-void mw_load_template(int mw_fd, unsigned char mode, unsigned char template_select)
+int mw_load_template(mwdevice_t *mwdevice, unsigned char mode, unsigned char template_select)
{
- mw_send_frame(mw_fd, MW_LOAD_TEMPLATE, (mode & 0x0f), &template_select, 1);
+ return mw_send_frame(mwdevice, MW_LOAD_TEMPLATE, (mode & 0x0f), &template_select, 1);
}
/*
* send line for screen-mode mode from *buffer to watch, starting at display row row_offset
+ * this is only for digital LCD watch
*/
-void mw_write_buffer(int mw_fd,
+int mw_write_buffer(mwdevice_t *mwdevice,
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 mdata[32];
+ if (mwdevice->devtype != MW_DEVICE_TYPE_DIGITAL && mwdevice->devtype != MW_DEVICE_TYPE_DEVB_DIGI)
+ return -1;
+
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;
+ return -1;
};
memset(mdata, 0, 32);
mdata[0] = row_offset;
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);
+
+ return mw_send_frame(mwdevice, MW_WRITE_BUFFER, (mode & 0x0f) | (((numlines & 0x01)<< 4) & 0x10), mdata, numlines ? 13 : 26);
+}
+
+/*
+ Options:
+ B0 : row select, 0 first row, 1 second row
+ B1 : display select, 0 upper OLED, 1 lower OLED
+ B2 : if 1 send an event upon completion
+ B3..4: scroll type,
+ B5..7: unused
+ Scroll types:
+ B0: First buffer in a chain of scroll buffers
+ B1: Any buffer except first or last
+ B2: Last buffer of a chain
+ B3: reserved / unused
+ Payload:
+ 0: Start index col
+ 1..: data
+*/
+int mw_write_oled_buffer(mwdevice_t *mwdevice,
+ unsigned char mode, /* idle or scroll */
+ unsigned char oled, /* which OLED */
+ unsigned char numcols,
+ unsigned char col_index, /* starting index */
+ unsigned char *buffer, int buflen)
+{
+ unsigned char mdata[32];
+ int i;
+
+ if (mwdevice->devtype != MW_DEVICE_TYPE_ANA_DIGI && mwdevice->devtype != MW_DEVICE_TYPE_DEVB_ANA_DIGI)
+ return -1;
+
+ fprintf(stderr, "write oled buf len = %d\n", buflen);
+ /* lower row first since display wil be updated after completion of upper row */
+ if (buflen > 80) {
+ for (i=80; i<buflen; i+=20) {
+ mdata[0] = (i-80);
+ memcpy((mdata+1), (buffer+i), 20);
+ mw_send_frame(mwdevice, MW_WRITE_OLED_IDLE_DISPLAY_MSG, 0 | (oled ? 2 : 0), mdata, 21);
+ }
+ }
+ for (i=0; i<80; i+=20) {
+ mdata[0] = i;
+ memcpy((mdata+1), (buffer+i), 20);
+ mw_send_frame(mwdevice, MW_WRITE_OLED_IDLE_DISPLAY_MSG, 1 | (oled ? 2 : 0), mdata, 21);
+ }
+
+ return 0;
+}
+
+int mw_enable_button(mwdevice_t *mwdevice,
+ 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;
+
+ return mw_send_frame(mwdevice, MW_ENABLE_BUTTON, 0, mdata, 5);
+}
+
+int mw_disable_button(mwdevice_t *mwdevice,
+ 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;
+
+ return mw_send_frame(mwdevice, MW_ENABLE_BUTTON, 0, mdata, 3);
+}
+
+int mw_advance_watch_hands(mwdevice_t *mwdevice, unsigned char hours, unsigned char minutes, unsigned char seconds)
+{
+ unsigned char mdata[4];
+
+ if (hours > 12)
+ return -1;
+ if (minutes > 60)
+ return -1;
+ if (seconds > 60)
+ return -1;
+
+ mdata[0] = hours;
+ mdata[1] = minutes;
+ mdata[2] = seconds;
+
+ return mw_send_frame(mwdevice, MW_ADVANCE_WATCH_HANDS, 0, mdata, 3);
}
* Watch responses, events or notifications
* ---------------------------------------------------------------------- */
+int mw_get_device_type_response(mwdevice_t *mwdevice, unsigned char devtype)
+{
+#ifdef DEBUG
+ fprintf(stderr, "Got device type ");
+ switch(devtype) {
+ 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", devtype);
+ break;
+ };
+#endif
+ mwdevice->devtype = devtype;
+ if (mwdevice->mw_get_device_type_response_cb != NULL)
+ mwdevice->mw_get_device_type_response_cb(mwdevice, devtype, mwdevice->mw_gdtypersp_data);
+ return 0;
+}
+
+void mw_set_get_device_type_response_cb(mwdevice_t *mwdevice, void (*mw_get_device_type_response_cb) (mwdevice_t *mwdevice, unsigned char devtype, void *user_data), void *user_data)
+{
+ if (mw_get_device_type_response_cb != NULL)
+ mwdevice->mw_get_device_type_response_cb = mw_get_device_type_response_cb;
+ if (user_data != NULL)
+ mwdevice->mw_gdtypersp_data = user_data;
+}
+
+int mw_nval_operation_response(mwdevice_t *mwdevice, unsigned char operation, unsigned short identifier, unsigned char size, void *mdata)
+{
+ return -1;
+}
-void mw_get_real_time_clock_response(int mw_fd, unsigned char *rtcrsp, int len)
+int mw_get_real_time_clock_response(mwdevice_t *mwdevice, 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;
+ if (len != 8) {
+ fprintf(stderr, "get real time clock response length wrong %d != 10\n", len);
+ return -1;
}
year = *(unsigned short *)rtcrsp;
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");
+#ifdef DEBUG
+ fprintf(stderr, "watch RTC is %s\n", asctime(&mtm));
+#endif
+ if (mwdevice->mw_get_real_time_clock_response_cb != NULL)
+ mwdevice->mw_get_real_time_clock_response_cb(mwdevice, &mtm, mwdevice->mw_grtcrsp_data);
+
+ return 0;
+}
+
+void mw_set_get_real_time_clock_response_cb(mwdevice_t *mwdevice, void (*mw_get_real_time_clock_response_cb) (mwdevice_t *mwdevice, struct tm *mw_tm, void *user_data), void *user_data)
+{
+ if (mw_get_real_time_clock_response_cb != NULL)
+ mwdevice->mw_get_real_time_clock_response_cb = mw_get_real_time_clock_response_cb;
+ if (user_data != NULL)
+ mwdevice->mw_grtcrsp_data = user_data;
+}
+
+
+int mw_get_battery_voltage_response(mwdevice_t *mwdevice, unsigned char *batrsp, int len)
+{
+ unsigned char power_good = batrsp[0];
+ unsigned char bat_charging = batrsp[1];
+ unsigned short voltage = *(unsigned short *)(batrsp+2);
+ unsigned short voltage_average = *(unsigned short *)(batrsp+4);
+
+#ifdef DEBUG
+ fprintf(stderr, "battery is at %dmV (average is %dmV), %s and %s\n", voltage, voltage_average, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");
+#endif
+
+ if (mwdevice->mw_get_battery_voltage_response_cb != NULL)
+ mwdevice->mw_get_battery_voltage_response_cb(mwdevice, &voltage, &power_good, &bat_charging, mwdevice->mw_gbatvrsp_data);
+
+ return 0;
+}
+
+void mw_set_get_battery_voltage_response_cb(mwdevice_t *mwdevice, void (*mw_get_battery_voltage_response_cb) (mwdevice_t *mwdevice, unsigned short *voltage, unsigned char *pgood, unsigned char *charging, void *user_data), void *user_data)
+{
+ if (mw_get_battery_voltage_response_cb != NULL)
+ mwdevice->mw_get_battery_voltage_response_cb = mw_get_battery_voltage_response_cb;
+ if (user_data != NULL)
+ mwdevice->mw_gbatvrsp_data = user_data;
+}
+
+int mw_read_button_config_response(mwdevice_t *mwdevice, unsigned char *btnrsp, int len)
+{
+#ifdef DEBUG
+ 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]);
+#endif
+
+ return 0;
}
-void mw_get_battery_voltage_response(int mw_fd, unsigned char *batrsp, int len)
+void mw_set_read_button_config_response_cb(mwdevice_t *mwdevice, void (*mw_read_button_config_response_cb) (mwdevice_t *mwdevice, void *user_data), void *user_data)
{
- unsigned short voltage = *(unsigned short *)batrsp;
- unsigned char power_good = batrsp[2];
- unsigned char bat_charging = batrsp[3];
+ if (mw_read_button_config_response_cb != NULL)
+ mwdevice->mw_read_button_config_response_cb = mw_read_button_config_response_cb;
+ if (user_data != NULL)
+ mwdevice->mw_rbtncnfrsp_data = user_data;
+}
- fprintf(stderr, "battery is at %dV, %s and %s\n", voltage, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");
+int mw_button_event_message(mwdevice_t *mwdevice, unsigned char *btnevt, int len, unsigned char opts)
+{
+#ifdef DEBUG
+ fprintf(stderr, " button %d options %d\n", btnevt[0], opts);
+#endif
+
+ if (mwdevice->mw_button_event_message_cb != NULL)
+ mwdevice->mw_button_event_message_cb(mwdevice, btnevt[0], opts, mwdevice->mw_btnevmsg_data);
+
+ return 0;
+}
+
+void mw_set_button_event_message_cb(mwdevice_t *mwdevice, void (*mw_button_event_message_cb) (mwdevice_t *mwdevice, unsigned char buttons, unsigned char options, void *user_data), void *user_data)
+{
+ if (mw_button_event_message_cb != NULL)
+ mwdevice->mw_button_event_message_cb = mw_button_event_message_cb;
+ if (user_data != NULL)
+ mwdevice->mw_btnevmsg_data = user_data;
}
-void mw_read_light_sensor_response(int mw_fd, unsigned char *lightrsp, int len)
+int mw_read_light_sensor_response(mwdevice_t *mwdevice, unsigned char *lightrsp, int len)
{
unsigned char power_good = lightrsp[0];
unsigned char bat_charging = lightrsp[1];
- unsigned short voltage = *(unsigned short *)(lightrsp+2);
+ unsigned short light_level = *(unsigned short *)(lightrsp+2);
+
+#ifdef DEBUG
+ fprintf(stderr, "light sensor is at %d, power stat: %s and %s\n", light_level, power_good ? "power is good" : "power fault", bat_charging ? "charging" : "not charging");
+#endif
+
+ if (mwdevice->mw_read_light_sensor_response_cb != NULL)
+ mwdevice->mw_read_light_sensor_response_cb(mwdevice, &light_level, mwdevice->mw_rlsrsp_data);
- 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");
+ return 0;
+}
+
+void mw_set_read_light_sensor_response_cb(mwdevice_t *mwdevice, void (*mw_read_light_sensor_response_cb) (mwdevice_t *mwdevice, unsigned short *light_level, void *user_data), void *user_data)
+{
+ if (mw_read_light_sensor_response_cb != NULL)
+ mwdevice->mw_read_light_sensor_response_cb = mw_read_light_sensor_response_cb;
+ if (user_data != NULL)
+ mwdevice->mw_rlsrsp_data = user_data;
}
-void mw_status_change_event(int mw_fd, unsigned char option, unsigned char *statrsp, int len)
+int mw_status_change_event(mwdevice_t *mwdevice, unsigned char option, unsigned char *statrsp, int len)
{
+ unsigned char mode = (option & 0x0f);
+ unsigned char status = statrsp[0];
#ifdef DEBUG
- fprintf(stderr, "Status change event for mode %s: %s\n", mw_screen_mode_names[option&0x0f], mw_status_string[statrsp[0]]);
+ fprintf(stderr, "Status change event for mode %s: %s\n", mw_screen_mode_names[mode], mw_status_string[status]);
#endif
+
+ // mwdevice->screen_mode = mode;
+ if (mwdevice->mw_status_change_event_cb != NULL)
+ mwdevice->mw_status_change_event_cb(mwdevice, &mode, &status, mwdevice->mw_stchev_data);
+
+ return 0;
+}
+
+void mw_set_status_change_event_cb(mwdevice_t *mwdevice, void (*mw_status_change_event_cb) (mwdevice_t *mwdevice, unsigned char *scrmode, unsigned char *status, void *user_data), void *user_data)
+{
+ if (mw_status_change_event_cb != NULL)
+ mwdevice->mw_status_change_event_cb = mw_status_change_event_cb;
+ if (user_data != NULL)
+ mwdevice->mw_stchev_data = user_data;
}
* Protocol handling
* ---------------------------------------------------------------------- */
-
-int decode_frame(int mw_fd, unsigned char *buf, int len)
+int mw_decode_frame(mwdevice_t *mwdevice, unsigned char *buf, int len)
{
unsigned short crc;
unsigned char msglen;
unsigned char msgtype;
unsigned char msgopt;
unsigned char *msgdata;
+ unsigned char msgdatalen;
/* check frame */
crc = *(unsigned short *)(buf+len-2);
if (crc != crc16ccitt(buf, len-2)) {
fprintf(stderr, "decode frame CRC error\n");
- return 1;
+ 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;
+ 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);
+ msgdatalen = msglen - 4 - 2;
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;
- };
+ mw_get_device_type_response(mwdevice, msgdata[0]);
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);
+ mw_get_real_time_clock_response(mwdevice, msgdata, msgdatalen);
break;
case MW_READ_BATTERY_VOLTAGE_RSP:
- mw_get_battery_voltage_response(mw_fd, msgdata, len-2);
+ mw_get_battery_voltage_response(mwdevice, msgdata, msgdatalen);
break;
case MW_READ_LIGHT_SENSOR_RSP:
- mw_read_light_sensor_response(mw_fd, msgdata, len-2);
+ mw_read_light_sensor_response(mwdevice, msgdata, msgdatalen);
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(mwdevice, msgdata, msgdatalen);
+ break;
+ case MW_BUTTON_EVENT_MESSAGE:
+ fprintf(stderr, "Button event message\n");
+ mw_button_event_message(mwdevice, msgdata, msgdatalen, msgopt);
+ break;
case MW_LOW_BATTERY_BT_OFF_MSG:
fprintf(stderr, "Watch battery extremely low - radio will turn off\n");
break;
+ case MW_NVAL_OPERATION_RSP:
+ fprintf(stderr, "NVAL operation response - ");
+ switch (msgopt) {
+ case 0x00:
+ fprintf(stderr, "success\n");
+ break;
+ case 0x01:
+ fprintf(stderr, "failure!\n");
+ break;
+ case 0x09:
+ fprintf(stderr, "Item Not initialized (Identifier Not found\n");
+ break;
+ case 0x0a:
+ fprintf(stderr, "Operation failed\n");
+ break;
+ case 0x0c:
+ fprintf(stderr, "Bad Item length\n");
+ break;
+ default:
+ fprintf(stderr, "unknown status 0x%02x\n", msgopt);
+ break;
+ };
+ break;
case MW_STATUS_CHANGE_EVENT:
- mw_status_change_event(mw_fd, msgopt, msgdata, len-2);
+ mw_status_change_event(mwdevice, msgopt, msgdata, msgdatalen);
break;
default:
fprintf(stderr, "Unkown msgtype 0x%02x\n", msgtype);
break;
};
+ return msglen;
+}
+
+
+int mw_feed_msg_buffer(mwdevice_t *mwdevice, unsigned char *buf, int len)
+{
+ char msgbuf[64];
+ int tlen;
+
+ if (len <= 0)
+ return -1;
+
+ memcpy((mwdevice->pbuf+mwdevice->pbuf_len), buf, len);
+ mwdevice->pbuf_len += len;
+
+ while (mwdevice->pbuf_len > 0) {
+ /* scan for MW_SOF */
+ while (mwdevice->pbuf[0] != MW_SOF) {
+ memmove(mwdevice->pbuf, (mwdevice->pbuf+1), --mwdevice->pbuf_len);
+ }
+ tlen = mwdevice->pbuf[1];
+ /* OK, there is an SOF but the message is too short */
+ if (tlen > mwdevice->pbuf_len) {
+ /* we have to wait for more data to come in */
+ break;
+ }
+ /* here we have a complete msg */
+ memcpy(msgbuf, mwdevice->pbuf, tlen);
+ mw_decode_frame(mwdevice, (unsigned char *)msgbuf, tlen);
+ memmove(mwdevice->pbuf, (mwdevice->pbuf+tlen), tlen);
+ mwdevice->pbuf_len -= tlen;
+ }
return 0;
}
+/* ----------------------------------------------------------------------
+ * General code usage
+ * ---------------------------------------------------------------------- */
+
+int mw_init(mwdevice_t *mwdevice, int mw_fd)
+{
+ memset(mwdevice, 0, sizeof(mwdevice_t));
+ mwdevice->mw_fd = mw_fd;
+ memset(mwdevice->pbuf, 0, MW_PBUF_LEN);
+ mwdevice->pbuf_len = 0;
+
+ /* figure out which device we run with */
+ mw_send_frame(mwdevice, MW_GET_DEVICE_TYPE, 0, NULL, 0);
+
+ return 0;
+}
+
/* ----------------------------------------------------------------------
* Convenience functions not strictly part of the protocol
* ---------------------------------------------------------------------- */
+int mw_get_resolution(mwdevice_t *mwdevice, unsigned int *width, unsigned int *height)
+{
+ if (width == NULL || height == NULL)
+ return -1;
+
+ switch (mwdevice->devtype) {
+ case MW_DEVICE_TYPE_RESERVED:
+ return -1;
+ case MW_DEVICE_TYPE_ANA_DIGI:
+ case MW_DEVICE_TYPE_DEVB_ANA_DIGI:
+ *width = 80;
+ *height = 16;
+ break;
+ case MW_DEVICE_TYPE_DIGITAL:
+ case MW_DEVICE_TYPE_DEVB_DIGI:
+ *width = 96;
+ *height = 96;
+ break;
+ default:
+ break;
+ };
+
+ return 0;
+}
+
+
/* if flip=1 bits in each byte are inverted 7->1, 6->2, 5->3,...
if invert=1 each byte is inverted
*/
}
-void mw_send_bitmap(int mw_fd, unsigned char mode, int width, int height, int offset, unsigned char *bmapbuf, int buflen)
+void mw_send_bitmap(mwdevice_t *mwdevice, unsigned char mode, int width, int height, int offset, unsigned char *bmapbuf, int buflen)
{
#ifdef DEBUG
unsigned int i, x;
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, mode, 0, 31+y, mw_buf, 24);
+ mw_write_buffer(mwdevice, mode, 0, offset+y, mw_buf, 24);
}
}
projects / metawatch.git / blobdiff