also in text.h, I added this to only print rssi level if that sensor is enabled.

#ifdef SENSOR_RSSI_ENABLED
return printNumberWithUnit(str, pos, rssiLevel, "%");
#endif //SENSOR_RSSI_ENABLED
return pos;

I got the LOS angle thing and low angle alarm working!! (well I think anyway, I have tried driving around, but not flying yet)

in alarms.h
added definition :

static uint16_t gAlarmLOSRatioLow = 0;

and set variable:

#ifdef ALARM_LOS_RATIO_LOW
gAlarmLOSRatioLow = gGpsLastValidData.losRatio < ALARM_LOS_RATIO_LOW;
#endif

in cl-osd.c in updateSensorsAndScreen right after call to calcHome add:

gGpsLastValidData.losAngle = 0;
gGpsLastValidData.losRatio = 0;
#ifdef GPS_MIN_LOS_ANGLE_DISTANCE
////only try to calculate the angle if greater than a preset distance from home
if (gHomeDistance > GPS_MIN_LOS_ANGLE_DISTANCE)
{
gGpsLastValidData.losRatio = ((gGpsLastValidData.pos.altitude - gHomePos.altitude)*1000)/gHomeDistance;
gGpsLastValidData.losAngle = getLOSAngle(gGpsLastValidData.losRatio);
}
#endif

in Config.h add definition for minimum home distance to calculate angle:

#define GPS_MIN_LOS_ANGLE_DISTANCE 300 // min distance the los angle and alarm are calculated

also add minimum LOS angle ratio (basically a ratio will equate to an angle)

#define ALARM_LOS_RATIO_LOW 268 //This number is (height * 1000)/distance, select the number that equates the angle you want to alarm on
//176 = 10 degrees, 268 = 15 degrees, 364 = 20 degrees, 466 = 25 degrees
//this is more accurate than using just the displayed angle.

in gpsutils.h, added losAngle and losRatio to TGpsData structure

typedef struct {
TGpsPos pos;
uint32_t gTime;
uint8_t fix;
uint8_t sats;
uint16_t speed;
uint16_t angle;
uint32_t date;
uint8_t checksumValid;
uint16_t losAngle;
uint16_t losRatio;
} TGpsData;

also added getLOSAngle function:

static uint16_t getLOSAngle( uint8_t losRatio) {
uint16_t retval = 1;
//this should also handle negative angles, maybe for someone flying from a cliff??
if (losRatio < 0)
{
losRatio = -losRatio;
retval = -1;
}
if(losRatio < 44) retval = 0;
else if (losRatio >= 44 && losRatio < 132) retval = retval * 5;
else if (losRatio >= 132 && losRatio < 222) retval = retval * 10;
else if (losRatio >= 222 && losRatio < 315) retval = retval * 15;
else if (losRatio >= 315 && losRatio < 414) retval = retval * 20;
else if (losRatio >= 414 && losRatio < 521) retval = retval * 25;
else if (losRatio >= 521 && losRatio < 637) retval = retval * 30;
else if (losRatio >= 637 && losRatio < 767) retval = retval * 35;
else if (losRatio >= 767 && losRatio < 916) retval = retval * 40;
else if (losRatio >= 916 && losRatio < 1091) retval = retval * 45;
else if (losRatio >= 1091 && losRatio < 1303) retval = retval * 50;
else if (losRatio >= 1303 && losRatio < 1570) retval = retval * 55;
else if (losRatio >= 1570 && losRatio < 1921) retval = retval * 60;
else if (losRatio >= 1921 && losRatio < 2414) retval = retval * 65;
else if (losRatio >= 2414 && losRatio < 3172) retval = retval * 70;
else if (losRatio >= 3172 && losRatio < 4511) retval = retval * 75;
else if (losRatio >= 4511 && losRatio < 7596) retval = retval * 80;
else if (losRatio >= 7596 && losRatio < 22904) retval = retval * 85;
else retval = retval * 90;

return retval;

}

in layout.h, after printing the home distance add:

if (gHomePosSet && gGpsLastValidData.losRatio != 0)
{
if (!gAlarmLOSRatioLow || gBlink1Hz)
pos = printNumber(gText[textId], 10, gGpsLastValidData.losAngle);
}

then add label for the angle (and I also changed the lable from LOS to DIS)

pos = printText(gText[textId], 0, "SPD");
pos = printText(gText[textId], 5, "DIS");
pos = printText(gText[textId], 10, "ANG");

I have firmware from code compiled on december 6th. Is there a reason to flash to newer revision? So far it has been working fine, so that's why I ask.

Have a look here for the latest commits:
http://code.google.com/p/cl-osd/source/list

All wiki changes will show in that list as well, don't know why...

@callelj - Is it possible to print black letters or white letters with a black border or is the hardware the limiting factor?

Regards
Joern

Joern: No it's not possible. At least not without significantly changing the hardware.

Originally Posted by callelj

Joern: No it's not possible. At least not without significantly changing the hardware.

Thanks for your quick answers. Is it possible to heighten the darkness of the grey field under the white letters and numbers? I read something about to change the value of one resistor. Is this also possible due to a software change?

Regards
Joern

Is this also possible due to a software change?

No it's not.

all real
but speed in statistics is wrong

Originally Posted by redsonic

all real
but speed in statistics is wrong

yes thats from gps glitch. sometimes it will get a location that isnt accurate, making a fake speed

Ponce Inlet FPV compilation (7 min 27 sec)

Thats looking and working well, what release/version is that?
im still on r72, working well but the faster upate speed you have is motivation to reflash

december 6th not sure what build but my config.h is from 12/6/2011 7:38pm. i lost all my files so my osd folder went bye bye

but i did have a backup of my config.h because i really really didn't want to remeasure 100% and 0% rssi voltages from my receiver again. actually just so i dont lose it i'll type it here so I can go to this post if needed haha

#define SENSOR_RSSI_MAX_VOLTAGE 2.0 //(Max two digits after the dot)
#define SENSOR_RSSI_MIN_VOLTAGE 0.20
//use 100-result for grssivalue

Just followed the Compiling and Programming, and i thought it was easier than i thought but when i tested it i just found out that i didnt touch anything on the board and theres no changes on the display, here are the pictures of the connections and a video of what i did.

CL-OSD compling and programming (2 min 44 sec)

Originally Posted by Zombee

Just followed the Compiling and Programming, and i thought it was easier than i thought but when i tested it i just found out that i didnt touch anything on the board and theres no changes on the display, here are the pictures of the connections and a video of what i did.

http://www.youtube.com/watch?v=Rej45Y9LIAQ

Use this command line:

avrdude.exe -p m88p -c usbasp -U flash:w:"cl-osd.hex" -U eeprom:w:"cl-osd.eep

The "m88p" make the difference...

Regards
Joern