mw_send_frame(mw_fd, 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
+*/
+void mw_write_oled_buffer(int mw_fd,
+ 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;
+
+ /* 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(mw_fd, 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(mw_fd, MW_WRITE_OLED_IDLE_DISPLAY_MSG, 1 | (oled ? 2 : 0), mdata, 21);
+ }
+}
+
void mw_enable_button(int mw_fd,
unsigned char mode,
unsigned char button_index,
unsigned char clk1224, date_fmt;
if (len != 10) {
- fprintf(stderr, "get real time clock response too short %d != 10\n", len);
+ fprintf(stderr, "get real time clock response length wrong %d != 10\n", len);
return;
}
unsigned char msgtype;
unsigned char msgopt;
unsigned char *msgdata;
+ unsigned char msgdatalen;
/* check frame */
crc = *(unsigned short *)(buf+len-2);
msgtype = buf[2];
msgopt = buf[3];
msgdata = (buf+4);
+ msgdatalen = msglen - 4 - 2;
switch (msgtype) {
case MW_GET_DEVICE_TYPE_RSP:
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(mw_fd, msgdata, msgdatalen);
break;
case MW_READ_BATTERY_VOLTAGE_RSP:
- mw_get_battery_voltage_response(mw_fd, msgdata, len-2);
+ mw_get_battery_voltage_response(mw_fd, msgdata, msgdatalen);
break;
case MW_READ_LIGHT_SENSOR_RSP:
- mw_read_light_sensor_response(mw_fd, msgdata, len-2);
+ mw_read_light_sensor_response(mw_fd, 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(mw_fd, msgdata, len-2);
+ mw_read_button_config_response(mw_fd, msgdata, msgdatalen);
break;
case MW_BUTTON_EVENT_MESSAGE:
fprintf(stderr, "Button event message\n");
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);
+ mw_status_change_event(mw_fd, msgopt, msgdata, msgdatalen);
break;
default:
fprintf(stderr, "Unkown msgtype 0x%02x\n", msgtype);