tonton81
Senior Member

sounds good, i didnt check if the callback was static or not, if you suggest we do that thats fine too theres also the onDetect lambda function available for hotplugging (well it detects slave was reset status, not...

yes but the multiple calls makes it persistant for those bursts :)

if your getting gps data from uart, i suggest you use serialevent, i was handling data both ways at 3megabaud rates (3000000) without the use of rts/cts, youll likely collect the gps data from that if your loop() is...

most people dont realize/care about the miniscule latency of double :)

except it would be awkward to control multiple indices? :P

ideally, for a find function, it must be something kind of easy to handle. think about this for a minute the library already knows the size, but what if the user doesnt? we could return a pointer to the array, but user...

Tim, i committed the list() with float array support for push_back and pop_front and check this post for another feature: https://forum.pjrc.com/threads/50008-Project-SPI_MSTransfer?p=176931&viewfull=1#post176931

i only ran ground from t3.6 pin next to pin13, and jumpered it to 3.5 slave besides pin0 and pin below 13 of t3.5 to common ground

i had issues at 30 at first, but it was due to bad ground, see #1431, its running with the 3.2 slave fix running on t3.5 @ 30mhz

Yeah seen that, but I'm not sure c++ iterators work over custom templates, besides, we don't want to search for single values in our system, i think it's better to search for matching headers in the arrays

I would need a prototype idea for a find to make one, I can actually have the function return you a pointer to the dataset, and possibly modify it "live", just like iterating edits T *find(etc.... ) // library method...

Mike, it's a very clean and efficient remove: template<typename T, uint16_t _size, uint16_t multi> bool Circular_Buffer<T,_size,multi>::remove(uint16_t pos) { if ( multi ) { if ( pos >= _size ) return 0; ...

Btw, now we can find and remove/edit queues in any location (not just front or back), I just need to add a find function :P am I creating a super ::list ? :P

Mike, so with the ifdef's its good for you? confirmed?

Guys, I did something crazy, probably will be used, or not, when I added the list() method, I just made a ::remove(indice) method: Circular_Buffer<uint8_t, 4, 6> ca; uint8_t buf = { 0, 1, 2, 3, 4, 5 }; ...

But the 3.5 is working at 30MHz with the fixed one for the 3.2... Yesturday I had a bad ground link and added 2 grounds and it worked :o

im sure someone might find 18 uarts and 3 usberials, 7spi busses, 12 wire busses, and ~180 gpio control useful lol :) Just think what would happen if we could, instead of using the 12Mbps USBSerial, if the 480 ever...

I've updated github with the latest SPI_MST and circular buffer as per recent posts :) Also added T list(); as a supported method for the Ring Buffer of the readme.md file for Circular_Buffer repo, which gained...

cant do LC... currently the library handles 16bit data,, where the LC registers for SPI are 8bit for low and 8bit for high this would require rewriting a very good portion of the library and several ifdefs just to...

Just wire the GPS TX to both setups, with common ground, and both setups can use it :)

Bounce buttons+ 1] = { Bounce (0, DEBOUNCE_TIME), Bounce (1, DEBOUNCE_TIME), Bounce (2, DEBOUNCE_TIME), Bounce (3, DEBOUNCE_TIME), Bounce (4, DEBOUNCE_TIME), Bounce (5, DEBOUNCE_TIME), Bounce (6,...

After the CB list,push_back,pop_front mods yesturday i let the SPI_MST run overnight @ stock cpu speeds and 30MHz :) 11628.00, #, #, #, #, #, #, #, #, #, #, #,384787748,77582 F&F (OT=0) OT_CALC==100 micros()...

Circular_Buffer<float, 4, 6> flt; float _f = { 123.456789, 789.012345 }; float _f1 = { 333.78643, 69.11 }; float _f2 = { 88.02, 743.69 }; flt.push_back(_f, 2); flt.push_back(_f1, 2); flt.push_back(_f2,...

Circular Ring Buffer Queue Size: 7 / 16 Indice: Entries: -3.1415901 -12.3456001 -78.9123383 -7.9123402 -11.9123402 -58.9123383 -18.9123402 Circular Array...

I was pulled out of the house for an 8 IP camera installation so im not home, ill work on the list when i get back :)

Don, i tested dual slaves and upped a video, its crazy stuff :) https://www.youtube.com/watch?v=xD9TTK5cL6g it was based on a 3.2 slave, 3.5 slave, and 3.6 master

Fiddling around with it I came to this autoformatting based on floats/doubles vs ints: floats/doubles: Queue Size: 7 Indice: ...

Like this? Queue Size: 7 Indice: Entry: -3.1415901 -12.3456001 -78.9123383 -7.9123402 -11.9123402 -58.9123383 -18.9123402

I have to do a few casts for floats, but yes (casts for the indices, not the float itself :)

Like this? Queue Size: 5 ___________________________Entries:___________________________ 0 0 1 2 3 4 5 (6 entries.) 1 6 7 8 9 10 11 (6 entries.) 2 12 13 14 15 16 17 (6 entries.) 3 18 19...

Tim, like this? Circular_Buffer<uint8_t, 8> k; k.push_back(1); k.push_back(2); k.push_back(3); k.push_back(4); k.push_back(5); k.push_back(6); k.push_back(7);

Mike, I loaded up the "simple" wire test demo I made you "as-is" and it's working..... https://forum.pjrc.com/threads/50008-Project-SPI_MSTransfer?p=175770&viewfull=1#post175770 #1279 ... Size: 54 Slave: 43 Port:...

yeah, 180 you'll get intermittant... thats why mostly i used ~ 200 or higher, which on 3.5 results in 4.7k Hz, Tim can push 6K im sure, since 10uS F&F loops() makes a difference of ~ 300Hz

no choice to cast. This, also, if you want a circular array of floats/doubles, the "methods" that work for primitives need to be casted to int as well, otherwise it wont accept floats/doubles, and compiler will complain...

5312Hz at 180uS F&F overload1 loops! Tim, im sure you can push 6K if 20uS makes a difference on a T3.5 lol 5010 at 190uS F&F loops()

Im getting 4790Hz now F&F overload1 with the working SPI0 registers using T3.6 master and T3.5 slave, stock cpus 30mhz spi bus, using default events() (500uS) and 200uS timer F&F's

That is possible yes, anything else to add there? btw, the floats/doubles list() threw compile errors when I added list() support, due to the Type not being "int" when calling the array indices, I had to cast alot...

nevermind!, I added a secondary ground line and 30 is working!

No, I reattached the T3.5, however it doesnt seem to work at 30 anymore, 24 is okay, maybe its the wires.... ? heh definately not the SPI0 registers this time

did you try the last posted library on your t3.6's ?:)

Yeah but we need to push 2 8bit registers SPI0_DL && SPI0_DH, and read them like the POPR, it's a 2 way register, but thats alot of ifdefs and code rewriting to adapt! it's not as simple as a redefine...

I cant seem to get it above 24mhz either, even with the old SPI registers. The working one should be recommended though because "it works" for both, the 30mhz issue is from something else....

you mean where the H and T are in the actual raw buffer? (i dont follow :P )

Also remember to use events(500) (if you used old sketches... ) they might be set lower...

I don't think we'll be able to do LC... the LC requires writes to 2 addresses, and without re-writing all the switches in the ISR to compensate for 2 writes, we can't do much The register expects 8bit writes only, and...

Keep the SAME library, just change in the CPP, let me know if that works: Change this: SIM_SCGC6 |= SIM_SCGC6_SPI0; // enable slave clock SPI0_MCR |= SPI_MCR_HALT | SPI_MCR_MDIS; SPI0_MCR =...

If it is... I can always add if/def's to make it automatic switchable :) can you try to copy the old ::begin() over to test?

LC not supported yet, so no rush :)

awesome! Can I dismantle my dual slave setup and poke around the LC? :)

even 1Hz is working lol EDIT: events(0) is working with 400uS f&f’s! but thats too much overhead, leave events() blank, it defaults to 500uS :)

oh just so you know, 3.2 still cant do 30 :) but less is ok

Can you test and let me know your 3.2 functionality at all speeds????????????????

Trial and error!?!?! AND A POWER NAP! I knew something was wrong when the BUS WAS UNAFFECTED by the T3.2 slave crashing when the T3.5 continued operation! So I went to poke around the registers!

Yes mike! Short answer! Spi slave register configuration ordering is important! THAT OR the 3.2 isnt capable of a single ninstruction set!!

I GOT 1 KHZ WORKING!!! F&F (OT=0) OT_CALC==3000000 micros() _time==24784 F&F (OT=0) OT_CALC==3000000 micros() _time==24784 F&F (OT=0) OT_CALC==3000000 micros() _time==24783 F&F (OT=0) OT_CALC==3000000 micros()...

OK I GOT IT!!!! i got both running at 1mhz!!!

Stored. printout is from head to tail (available only) yes stored order head to tail good? :)

https://forum.pjrc.com/threads/31202-SPI-slave-phase-not-correct

here is what i noticed, changing the bus speed on the 3.2 only works within 20-24mhz, higher or lower breaks ...itself? i commented out the 3.2 only transmissions, and changed speeds to any value, even 1mhz, and the...

T3.6 host, T3.5 slave, T3.2 slave, 24 mhz all round :) i tried different speeds between both but one slave gives up data flow unless the speeds match Weird.. but both set at same speed work fine :)

LOL Mike Guess we know this works? :P https://www.youtube.com/watch?v=xD9TTK5cL6g

I'm pretty sure Tim could prolly pass 5K Hz in his setup if im able to reach 4745 with a T3.5 :P, and 3110 Hz with a 3.2 :P

Alright mike, try this use 24000000, NOT 30000000 then try this: uint32_t OverTime = 0; void loop() { static uint32_t _timer = millis(); teensy_gpio.events(500); if ( !(millis() % 100) ) { ...

Mike, main issue, its not the library Select 24000000, the T3.5/T3.2 cant do 30 it seems! I'm tweaking the millis code in loop now, but above post stands working without any library mods..

Hey look where im at now: 47436.00, #, #, #, #, #, #, #, #, #, #, #,80771,25

note, im getting this btw: 19600.00, #, #, #, #, #, #, #, #, #, #, #,12357,24 ill find a sweet spot and report back to you for testing..