MultiWii

carlonb

Hello Alex I was out for some time. It started because I found very easy to arm the FC with the TX on my neck (DX8 is not a well balanced radio when sitting on it's neck strap). But I like the idea of a timeout of no input is giving, why would you want the props spinning in idle mode for more than ...

carlonb

my current sensing is kinda working Its almost accurate now I set it to 58 and offset high 8 and this seems to kinda work for the sensor i use. ....... Hi olddude, I'm glad it works now, but I don't understand why you must set Offset High to 8, are you sure ? may be Offset Low=8 ? This for me is ve...

carlonb

kaysee wrote:Thanx carlonb. I am fine without it. I did thought that might solve it. Going to try it on my next session.

OK no problem,
anyway we have fixed it and also fixed the crash when scrolling the items in page 8 of the OSD menu.
The update will be released soon.
Cheers
Carlo

carlonb

kaysee wrote:.....
@KV@TC

Seems like the max altitude n distance still didn't show.
.....

Hi kaysee,
I saw this and its not a true issue but we can fix it.
Now the max altitude and max distance wil be calculate and shown if these are enabled (diplay=On) in page 8 of OSD menu.

Try it.
Bye
Carlo.

carlonb

Hi KV thanks for the explanation Problem is i fail at your 1st instruction already - tune the sensitivity according the sensor´s manual; I have no idea what the sensitivity is or where I can find a Data Sheet I have posted my Power module and its from HK I dont think I ll find much in the way of a ...

carlonb

Yes TY:) but i read this page a hundred times now Sensor sensitivity Typically is 20mV/A or 40mV/A. This info must be on sensor data sheet. This bit i don't know ? that was my question . I have APM power module with he BEC I In the 2.3 gui the value can be set from 0 - 60? So does that mean the val...

carlonb

I saw mention of a trace that should be cut for older versions of the witespy board. What are the symptoms if this trace is not cut? My issue is that I cannot get my main battery voltage on this board to read correct voltage. I can raise the divider in the kvosd 2.2 gui, but it will only let me rai...

carlonb

I'm really happy with the basic OSD right now...but I'm still scratching my head trying to figure out the callsign display. Searching through the code I found stuff relating to when and how long it's displayed and where it's displayed. But I can't seem to find anything that actually defines the def...

carlonb

Hi jaames74,
Ok, my issue seems not the same of yours, I never seen that kind of issue shown in GUI, anyway I want also try to get back with the mod you suggested, use of the old log(x/y), in order to verify it next week end.
Cheers
Carlo

carlonb

Hi jaames74, Just yesterday flying with my FPV stuffs I had an issue more or less like yours. My installed code was MWii 2.3 Dev1648. I started fly with a regular altitude indication on my gogles, but after few seconds I had a strange 14850mt!! and some time 30000...after -14000.... I then investiga...

carlonb

...... Oh and rssi is still appearing even after switching to off in menu 8. thanks. ....... Hi strachg, Here the code mod for RSSI BUG, add the lines in red on RSSI display routine in file screen.ino . This bug is already solved in next release. Bye, Carlo void displayRSSI(void) { if(!(MwSensorAct...

carlonb

Hi carlo. I use goggles so can't take picture but it's exactly the same as this one m OK, I saw, it's not easy to say why... are you sure about power supply, no strange loops with GND, have you mod the WITESPY OSD as indicated in his site or in KV OSD TEAM site ? http://code.google.com/p/rush-osd-d...

carlonb

Switch the OSD ON and with the RC sticks go to page 8 of OSD menu'. Go with the cursor under ITEM and with the yaw stick select the item you want, RSSI in your case. Move the cursor under DSP (Display) and with yaw select OFF. Move the cursor to the bottom line SAVE-EXIT and with yaw stick save and...

carlonb

Hi carlo. I got it ignore my last post. Thank you very much all sorted now. One last thing. When I plug the 4 s lipo in to read voltage on display it works fine but I get a light coloured band right through the screen where the text is. I don't understand exactly what you see on the screen, but I t...

carlonb

Hi carlo I'm using version 2.2 and it's the witespy board and I'm using multiwii version 2.3 thanks Hi strachg, Switch the OSD ON and with the RC sticks go to page 8 of OSD menu'. Go with the cursor under ITEM and with the yaw stick select the item you want, RSSI in your case. Move the cursor under...

carlonb

strachg wrote:Hi Christoph can u tell me where this code is and is it just a case of undefining it

Which version are you using? I can address you...
Cheers
carlo

carlonb

Thanks howard, If it helps narrow it down at all I'm using the rctimer current and voltage sensor. RCTimer Voltage & Current Sensor 90A 50V/90A = 63.69mV / Volt 36.60mV / Amp Hardware Features: • 51.8V Max • 89.4A Max • Analog output scaled for 3.3V ADC Thanks for the help with the spreadsheet....

carlonb

Hi int77, what you think is correct, but unfortunatelly today I've tried to increase the refresh rate (20Hz dedicated only to AH) and I saw that there are'nt advangates about refresh speed on Horizon line moving my copter (on desk). I need to investigate better about it. Bye Carlo Hi Carlo Probably...

carlonb

Deleted for post duplication, sorry

carlonb

Sorry for my imprecision, it’s actually 50ms/20Hz in high speed loop with MAX7456_DrawScreen(). But… in my understanding MSP request scheduler is included in the same 50ms loop; in normal mode there are 6 queued MSP requests. As far as MSP scheduler issues only one request per 50ms loop, new MSP_AT...

carlonb

The 328 isnt any good for DSM2 Sat Rx anyway. The micro MWC uses dsm2 PPM-SUM. You may use your 4 "normal" channels instead. Newest 2.3 "official dev" version does it Search config.h to set motor pwm frequency. Tanks Pluschi, Yes, I know that Micro MWC uses dsm2 PPM-SUM, infact ...

carlonb

Hi all, I'm starting to build a microquad and I've a question: I will use a Pro mini 328 processor, can I use a "normal" 4 channels Rx instead of DSM2 Sat Rx? Then, may I use MWii 2.3 "official" code (of course after setting it up with config.h)? With official MWii 2.3 code, how ...

carlonb

Just had an idea... wanted to see it it was possible or not. I don't have the hardware to test it out. If I get one of these OSDs: http://witespyquad.gostorego.com/flight-controllers/minimosd.html Would this OSD function as a standalone unit? What I would like to do is install this into a small FPV...

carlonb

Happy New Year and have a long fun FPV flying year.
Carlo

carlonb

PWM RSSI question.... Hi all, I worked at this creating a PWM generator at 500 Hz freq., so the PWM pulses are from zero uS to 2000uS. Using the same pin A3 (the same for analogic RSSI of KV OSD) I can read and set perfectly the PWM RSSI percentage. The true question is: How is the real RC rx PWM fr...

carlonb

Carlo, there is a zip file with the code on this page - m post #221 by okan_vitaliy Double SPI speed and sequential output work really good, as a result the buffer output loop in MAX7456_DrawScreen() is more than 4 times faster. Here's before and after pics, blue graph is the duration of the screen...

carlonb

Hi, First of all, thanks for all the work done with minimOSD code. I’m flying with KV_Team_OSD starting from r345, and now decided to register on this forum and provide some feedback about new version. Hereafter are some comments about r2.2: 1. I’m using MWii data for RSSI / amperage / pMeterSum / ...

carlonb

@car thanks for your detailed response, i understand how the sensor amperage is read and calculated. but you too are missing my point. in the code you are limiting the analog read 'step' value to 999 before it can even be converted to an amperage value by multiplying it by the sensors mv/A value. i...

carlonb

Hi haydent, About the apparent limit of current sensor to 999 (99.9A), this is a long story. But I think it's correct because the sensors normally used here have 100A limit. I will try to explain this long story: The analog read, reads the voltage out from sensor and will change from 0V to max 5V du...

carlonb

I just wanted to point, that not everything works well. Sometimes. For example, i do not know anyone around , who has properly working home arrow on kv-osd. Multiple mag calibrations, woodoo with GPS, name anything you want - it either works with huge delay, or does not work at all. I even tried to...

carlonb

[ ....WFM, so GTFO"......."FU"..... Oh, and to finish all this... Why does this "DISARMED" is sliding over my heading indicator, over "correctly" pointing home arrow? =) disarmed_and_arrow_wrong.jpg (i'm still flying as you can see from throttle indicator) Hi ABL,...

carlonb

@ Kataventos.......joking man.....

I confirm, you uploaded in repo my old dev n. 2, I resent you PM the correct one my dev 5 already sent you in October 3.
Bye
Carlo

carlonb

Hey guys, I am having problems with my OSD... stuff appears like this on my screen and do not stay in one place, changing all the time ! Can anyone help me please ?? https://lh4.googleusercontent.com/mT2l1girR9Jo95jKzhGZX-jkN4fdfS4hBWqJ0PQ-OeM=w338-h190-p-no -KV Hi Henrique, This issue only in OSD ...

carlonb

Hi guys, another trouble with RSSI reading: I had to stop using RSSI reading from MW (I use so many functions on my 328P board that MW 2.3 crashes so I had to disable something). I need to read RSSI like analog voltage 0.8-1.6V directly by OSD ADC. I soldered wire with 1K resistor to pin A3 (as sho...

carlonb

Hi, so today I was driving in the car with Multiwii on the pasenger seat and it's confirmed: Wrong (/10) speeed measurement on the OSD from I2C GPS is caused by small mistake in I2C_GPS_NAV_v2_2.ino, line 724 case 7: i2c_dataset.ground_speed = (atof(string)*0.5144444)*10; //convert to m/s*100 It ca...

carlonb

@rbirdie001, Hi Roman, Please investigate on that and also, if is possible, please verify if the arrow home indicator on OSD is correct or is 180° reverted because a friend of mine as this issue. About MWii data I can confirm that on MSP the speed is transmitted as cm/sec. On actual KV Team OSD all ...

carlonb

@jevermeister, Hi Nils, About Baro, yes I can confirm that baro altitude is coming from FC also if no GPS is available. Almost all data on OSD display are coming from MWii FC, but a dedicated video cam battery volt level (if used) is managed by OSD H/W and S/W. Optionally it's forseen to manage RSSI...

carlonb

@ rbirdie001, I'm using Mega board and a serial GPS unit, so I've no issues wirh the speed indication. I saw your vid and I can confirm you have a problem may be with I2c GPS. Pls verify and let' us know. @ jevermeister, Mobidrone H/W is not compatible with MinimOSD H/W. Mobidrone do not use the MAX...

carlonb

SkyrimDragon wrote:Hello Carlo,

Speaking of the next release, I know you can't say exactly, but can you say if it will be in days, weeks, or months?

Hi Skyrimdragon,
I think it's a matter of a few weeks.
The sketch for MinimOSD is almost ready, and Kataventos is working on the GUI (the most 'difficult).
Bye
Carlo

carlonb

now with both mods it works perfectly! I think that whole condition on lines 407-412 could be replaced just with aa = rssiADC; but once it works, I don't dare touch it. Really nice project! Thanks! Roman Great to hear you happy, About the MWii RSSI issue this will be solved in the next release wher...

carlonb

Hi Roman, I can not simulate RSSI issue, but I look into code: At line 406 of KV_Team_OSD.ino file you have else { if (Settings[S_MWRSSI]) { aa = MwRssi; } Please try to mod with else { if (Settings[S_MWRSSI]) { aa = rssiADC; } Ciao Carlo

carlonb

Carlo, again thanks for prompt support but unfortunately still not work well. I added /4 to line 166 so now RSSI shows values between 51-86 and adjusting MIN and MAX values works also perfectly, but final RSSI percent value is now ALWAYS 100%. I guess that original undivided value is used somewhere...

carlonb

I tested this procedure and it works perfectly for MIN value (after 15s countown the actual value 210 is copied to RSSI MIN), but for setting MAX value it sets only 88 or 89 and not more while actual RSSI is ~340! Is there another trick? Why just 88 or 89? Isn't it a problem of variable type? Thank...

carlonb

Hi rbirdie,
try to set the RSSI min and max as linked here that I suggested in some previous post.

Set min and max RSSI received values as discussed here http://www.rcgroups.com/forums/showthread.php?t=1786599&page=31 in post n. #451 and #452

Carlo

carlonb

Now I have confused myself. I have a FrSky receiver. I believe that has a PWM output for RSSI. So I cannot use the analog input A3? Is there an answer for Carlo on whether MISO actually works? I have a board set up to test it, but Icannot for another few days and wwould rather know for sure before ...

carlonb

Yes we have the schematic ... We will develop and publish as soon as we have it in our hands But, ADC3 (PC3) is an analogue input and MISO (PB4) a digital one (PWM), which kind of signal are you trying to get on screen? -KV Hi Henrique, Agree about first point, it's time that someone send to us dev...

carlonb

Now the Osd it'ok, but i have 2 question: 1 ) the minim osd it's better closing the solder jumpers and power the OSD board from the Multiwii board or is it better to leave the solder jumpers open and provide 12 V to the analog parts? (now i have this configuration, but the osd is very hot) 2)i have...

carlonb

I tried upgrading to R370 and I couldnt get anything to display on the OSD. There was no overlay at all I used the sketch file as is, changed nothing I cleared the eeprom, I loaded the new sketch, connected useing teh GUI, did a reset, uploaded the font. Set the type to Minim. switched on/off the p...

carlonb

..... also did you get the "gps coords at top" option from me ? or just a cooincidence Hi hayden, I'm carlo, KV team member, me too like the coord on top, and some time ago I convinced Kataventos, team leader, so I've added this some ago. But as kataventos said, the next release will have...

carlonb

Hi! First tests with my MimOSD board coming from RCTimer. I feed it with 5V only. both bridge have been soldered (GND and VDD). Last realease of Rush OSD flashed and font loaded in EEPROM. Here is what I get on my screen: During init : http://imageshack.us/a/img20/4236/nu9z.th.jpg Then: http://imag...

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