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Forum Index : Microcontroller and PC projects : Micromite MK2++, beta testers wanted
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matherp Guru ![]() Joined: 11/12/2012 Location: United KingdomPosts: 10315 |
With Geoff's help and advice I've ported the Micromite firmware to the PIC32MX470F512 chips. He has also authorised making the beta firmware available on a limited basis for testing. The PIC32MX470F512 chips are available in 64 and 100 pin TQFP packages, not as user friendly as the 28-pin DIP Micromite but with key advantages: CPU speeds up to 96Mhz using the internal oscillator which should give Basic execution rates of up to 60,000 lines per second. 108K of available flash memory for user programs and 117K of RAM More I/O pins including a 16-bit hardware port that can be used without overlapping any pins used for I2C, SPI, Comm, Count, Interrupt, IR. 11 analog capable pins are left even if the full 16-bit port is used for digital. The status of the code is as follows: Basic I/O including analog, digital out, count, frequency - have been tested on a subset of pins - the nature of the configuration code is that specific individual pins may be incorrectly set up - all need testing. I2C is tested to the extent that RTC GETTIME and RTC SETTIME work properly. SPI has not been tested as the Colour Maximite board I'm using for development does not give access to the SPI CLK pin Comm ports other than the console have not been tested. PWM has been tested on all 5 pins and works properly, note that if you change CPU speed the PWM command needs to be re-issued to effect the change. All testing has been done on a 100-pin version of the chip. The same firmware should work for the 64-pin version but there is quite a lot of conditional configuration in the code so the two types may exhibit different bugs. I will be checking that the code runs on the 64-pin part but this will not be until I receive the Maximite PCB that Mick has kindly offered to send me. The Basic language has not been changed and unexpected impacts have been tested to the extent that various existing programs run as expected - of course all pin allocations change. The editor works as expected Xmodem and MMEdit interaction work as expected. CPU speed changes have been tested, valid values are 5,10,20,30,40,48,64,72,80,96. Occasional problems have been seen changing to the fastest speed but normally it works properly - this could be an electrical/decoupling issue. For I/O intensive applications using SPI or parallel output 80MHz may prove fastest as the chips peripheral bus requires an extra wait state above 80MHz. using pin(0) to read the internal reference voltage does not work and I can't currently find the problem - it should read as analogue channel 28 but using this never completes and the watchdog timer resets the chip. If you want to take part in beta-testing, please send me a PM for the hex file. I program the chip with a PicKit3 - I can't give any advice on any other approach. Current version shows as 4.6+b1. My hope is the Geoff will take over the code as part of the formal Micromite releases. I'm sure the extent to which he is prepared to do this will depend on the quality of the testing we are able to achieve! The pinouts for both versions of the chip is attached. Please, before you invest in PCBs and chips, recognise that this is an early stage of development, I do not have Geoff's experience in coding on the PIC32MX range and it is not impossible that the development may hit unforseen problems 64-Pin Micromite Pin 1-PortE5:ANALOG_IN22 | DIGITAL_IN | DIGITAL_OUT Pin 2-PortE6 ANALOG_IN23 | DIGITAL_IN | DIGITAL_OUT Pin 3-PortE7 ANALOG_IN27 | DIGITAL_IN | DIGITAL_OUT Pin 4-PortG6 ANALOG_IN16 | DIGITAL_IN | DIGITAL_OUT | PWM1C Pin 5-PortG7 ANALOG_IN17 | DIGITAL_IN | DIGITAL_OUT Pin 6-PortG8 ANALOG_IN18 | DIGITAL_IN | DIGITAL_OUT | COUNT Pin 7-RESET/MCLR Pin 8-PortG9 ANALOG_IN19 | DIGITAL_IN | DIGITAL_OUT | Comm1 Enable Pin 9-GROUND Pin 10-POWER (+2.3 to +3.6V) Pin 11-PortB5 ANALOG_IN5 | DIGITAL_IN | DIGITAL_OUT Pin 12-PortB4 ANALOG_IN4 | DIGITAL_IN | DIGITAL_OUT Pin 13-PortB3 ANALOG_IN3 | DIGITAL_IN | DIGITAL_OUT Pin 14-PortB2 ANALOG_IN2 | DIGITAL_IN | DIGITAL_OUT Pin 15-PortB1 ANALOG_IN1 | DIGITAL_IN | DIGITAL_OUT | PGEC1 Pin 16-PortB0 ANALOG_IN0 | DIGITAL_IN | DIGITAL_OUT | PGED1 Pin 17-PortB6 ANALOG_IN6 | DIGITAL_IN | DIGITAL_OUT Pin 18-PortB7 ANALOG_IN7 | DIGITAL_IN | DIGITAL_OUT Pin 19-ANALOG REFERENCE Pin 20-ANALOG GROUND Pin 21-PortB8 ANALOG_IN8 | DIGITAL_IN | DIGITAL_OUT Pin 22-PortB9 ANALOG_IN9 | DIGITAL_IN | DIGITAL_OUT Pin 23-PortB10 ANALOG_IN10 | DIGITAL_IN | DIGITAL_OUT Pin 24-PortB11 ANALOG_IN11 | DIGITAL_IN | DIGITAL_OUT Pin 25-GROUND Pin 26-POWER (+2.3 to +3.6V) Pin 27-PortB12 ANALOG_IN12 | DIGITAL_IN | DIGITAL_OUT Pin 28-PortB13 ANALOG_IN13 | DIGITAL_IN | DIGITAL_OUT Pin 29-PortB14 ANALOG_IN14 | DIGITAL_IN | DIGITAL_OUT Pin 30-PortB15 ANALOG_IN15 | DIGITAL_IN | DIGITAL_OUT Pin 31-PortF4 DIGITAL_IN | DIGITAL_OUT | 5V | Comm1 RX Pin 32-PortF5 DIGITAL_IN | DIGITAL_OUT | 5V | Comm1 TX Pin 33-PortF3 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V Pin 34-UNUSED | VBUS Pin 35-POWER (+2.3 to +3.6V) | USSB3V3 Pin 36-UNUSED | USBD- Pin 37-UNUSED | USBD+ Pin 38-POWER (+2.3 to +3.6V) Pin 39-PortC12 DIGITAL_IN | INTERRUPT | DIGITAL_OUT Pin 40-PortC15 DIGITAL_IN | INTERRUPT | DIGITAL_OUT Pin 41-GROUND Pin 42-PortD8 DIGITAL_IN | DIGITAL_OUT | 5V | PWM1B Pin 43-PortD9 DIGITAL_IN | DIGITAL_OUT | 5V | I2CSDA Pin 44-PortD10 DIGITAL_IN | DIGITAL_OUT | 5V | I2CSCL Pin 45-PortD11 DIGITAL_IN | DIGITAL_OUT | 5V | SPIIN Pin 46-PortD0 DIGITAL_IN | DIGITAL_OUT | 5V | WAKEUP/IR Pin 47-PortC13 DIGITAL_IN | DIGITAL_OUT | PWM2B Pin 48-PortC14 DIGITAL_IN | DIGITAL_OUT | PWM1A Pin 49-PortD1 ANALOG_IN24 | DIGITAL_IN | DIGITAL_OUT | COUNT Pin 50-PortD2 ANALOG_IN25 | DIGITAL_IN | DIGITAL_OUT | SPICLK Pin 51-PortD3 ANALOG_IN26 | DIGITAL_IN | DIGITAL_OUT | COUNT Pin 52-PortD4 DIGITAL_IN | DIGITAL_OUT | 5V | COUNT Pin 53-PortD5 DIGITAL_IN | DIGITAL_OUT | 5V | PWM2A Pin 54-PortD6 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V Pin 55-PortD7 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V Pin 56-VCAP:47uF TANT CAPACITOR, 10|47uF Multilayer ceramic Pin 57-POWER (+2.3 to +3.6V) Pin 58-Console TX Pin 59-Console RX Pin 60-PortE0 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V Pin 61-PortE1 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V Pin 62-PortE2 ANALOG_IN20 | DIGITAL_IN | DIGITAL_OUT | Comm2 TX Pin 63-PortE3 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V | Comm2 RX Pin 64-PortE4 ANALOG_IN21 | DIGITAL_IN | DIGITAL_OUT 100-Pin Micromite Pin 1-PortG15 DIGITAL_IN | DIGITAL_OUT | 5V Pin 2-POWER (+2.3 to +3.6V) Pin 3-PortE5 ANALOG_IN22 | DIGITAL_IN | DIGITAL_OUT Pin 4-PortE6 ANALOG_IN23 | DIGITAL_IN | DIGITAL_OUT Pin 5-PortE7 ANALOG_IN27 | DIGITAL_IN | DIGITAL_OUT Pin 6-PortC1 DIGITAL_IN | DIGITAL_OUT | 5V Pin 7-PortC2 DIGITAL_IN | DIGITAL_OUT | 5V Pin 8-PortC3 DIGITAL_IN | DIGITAL_OUT | 5V Pin 9-PortC4 DIGITAL_IN | DIGITAL_OUT | 5V Pin 10-PortG6 ANALOG_IN16 | DIGITAL_IN | DIGITAL_OUT | PWM1C Pin 11-PortG7 ANALOG_IN17 | DIGITAL_IN | DIGITAL_OUT | SPIOUT Pin 12-PortG8 ANALOG_IN18 | DIGITAL_IN | DIGITAL_OUT | COUNT Pin 13-RESET/MCLR Pin 14-PortG9 ANALOG_IN19 | DIGITAL_IN | DIGITAL_OUT | Comm1 Enable Pin 15-GROUND Pin 16-POWER (+2.3 to +3.6V) Pin 17-PortA0 DIGITAL_IN | DIGITAL_OUT | 5V Pin 18-PortE8 DIGITAL_IN | DIGITAL_OUT | 5V Pin 19-PortE9 DIGITAL_IN | DIGITAL_OUT | 5V Pin 20-PortB5 ANALOG_IN5 | DIGITAL_IN | DIGITAL_OUT Pin 21-PortB4 ANALOG_IN4 | DIGITAL_IN | DIGITAL_OUT Pin 22-PortB3 ANALOG_IN3 | DIGITAL_IN | DIGITAL_OUT Pin 23-PortB2 ANALOG_IN2 | DIGITAL_IN | DIGITAL_OUT Pin 24-PortB1 ANALOG_IN1 | DIGITAL_IN | DIGITAL_OUT Pin 25-PortB0 ANALOG_IN0 | DIGITAL_IN | DIGITAL_OUT Pin 26-PortB6 ANALOG_IN6 | DIGITAL_IN | DIGITAL_OUT | PGEC2 Pin 27-PortB7 ANALOG_IN7 | DIGITAL_IN | DIGITAL_OUT | PGED2 Pin 28-PortA9 DIGITAL_IN | DIGITAL_OUT Pin 29-PortA10 DIGITAL_IN | DIGITAL_OUT Pin 30-ANALOG REFERENCE Pin 31-ANALOG GROUND Pin 32-PortB8 ANALOG_IN8 | DIGITAL_IN | DIGITAL_OUT Pin 33-PortB9 ANALOG_IN9 | DIGITAL_IN | DIGITAL_OUT Pin 34-PortB10 ANALOG_IN10 | DIGITAL_IN | DIGITAL_OUT Pin 35-PortA11 ANALOG_IN11 | DIGITAL_IN | DIGITAL_OUT Pin 36-GROUND Pin 37-POWER (+2.3 to +3.6V) Pin 38-PortA1 DIGITAL_IN | DIGITAL_OUT | 5V Pin 39-PortF13 DIGITAL_IN | DIGITAL_OUT | 5V Pin 40-PortF12 DIGITAL_IN | DIGITAL_OUT | 5V Pin 41-PortB12 ANALOG_IN12 | DIGITAL_IN | DIGITAL_OUT Pin 42-PortB13 ANALOG_IN13 | DIGITAL_IN | DIGITAL_OUT Pin 43-PortB14 ANALOG_IN14 | DIGITAL_IN | DIGITAL_OUT Pin 44-PortB15 ANALOG_IN15 | DIGITAL_IN | DIGITAL_OUT Pin 45-GROUND Pin 46-POWER (+2.3 to +3.6V) Pin 47-PortD14 DIGITAL_IN | DIGITAL_OUT | 5V Pin 48-PortD15 DIGITAL_IN | DIGITAL_OUT | 5V Pin 49-PortF4 DIGITAL_IN | DIGITAL_OUT | 5V | Comm1 RX Pin 50-PortF5 DIGITAL_IN | DIGITAL_OUT | 5V | Comm1 TX Pin 51-PortF3 DIGITAL_IN | DIGITAL_OUT | 5V Pin 52-PortF2 DIGITAL_IN | DIGITAL_OUT | 5V Pin 53-PortF8 DIGITAL_IN | DIGITAL_OUT | 5V Pin 54-VBUS Pin 55-POWER (+2.3 to +3.6V) | VUSB3V3 Pin 56-D- Pin 57-D+ Pin 58-PortA2 DIGITAL_IN | DIGITAL_OUT | 5V Pin 59-PortA3 DIGITAL_IN | DIGITAL_OUT | 5V Pin 60-PortA4 DIGITAL_IN | DIGITAL_OUT | 5V Pin 61-PortA5 DIGITAL_IN | DIGITAL_OUT | 5V Pin 62-POWER (+2.3 to +3.6V) Pin 63-PortC12 DIGITAL_IN | INTERRUPT | DIGITAL_OUT Pin 64-PortC15 DIGITAL_IN | INTERRUPT | DIGITAL_OUT Pin 65-GROUND Pin 66-PortA14 DIGITAL_IN | DIGITAL_OUT | 5V | I2CSCL Pin 67-PortA15 DIGITAL_IN | DIGITAL_OUT | 5V | I2CSDA Pin 68-PortD8 DIGITAL_IN | DIGITAL_OUT | 5V | PWM1B Pin 69-PortD9 DIGITAL_IN | DIGITAL_OUT | 5V Pin 70-PortD10 DIGITAL_IN | DIGITAL_OUT | 5V | SPICLK Pin 71-PortD11 DIGITAL_IN | DIGITAL_OUT | 5V | SPIIN Pin 72-PortD0 DIGITAL_IN | DIGITAL_OUT | 5V | WAKEUP/IR Pin 73-PortC13 DIGITAL_IN | DIGITAL_OUT | PWM2B Pin 74-PortC14 DIGITAL_IN | DIGITAL_OUT | PWM1A Pin 75-GROUND Pin 76-PortD1 ANALOG_IN24 | DIGITAL_IN | DIGITAL_OUT | COUNT Pin 77-PortD2 ANALOG_IN25 | DIGITAL_IN | DIGITAL_OUT Pin 78-PortD3 ANALOG_IN26 | DIGITAL_IN | DIGITAL_OUT | COUNT Pin 79-PortD12 DIGITAL_IN | DIGITAL_OUT | 5V Pin 80-PortD13 DIGITAL_IN | DIGITAL_OUT | 5V Pin 81-PortD4 DIGITAL_IN | DIGITAL_OUT | 5V | COUNT Pin 82-PortD5 DIGITAL_IN | DIGITAL_OUT | 5V | PWM2A Pin 83-PortD6 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V Pin 84-PortD7 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V Pin 85-VCAP:47uF TANT CAPACITOR, 10|47uF Multilayer ceramic Pin 86-POWER (+2.3 to +3.6V) Pin 87-5V | Console TX Pin 88-5V | Console RX Pin 89-PortG1 DIGITAL_IN | DIGITAL_OUT | 5V Pin 90-PortG0 DIGITAL_IN | DIGITAL_OUT | 5V Pin 91-PortA6 DIGITAL_IN | DIGITAL_OUT | 5V Pin 92-PortA7 DIGITAL_IN | 5V Pin 93-PortE0 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V Pin 94-PortE1 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V Pin 95-PortG14 DIGITAL_IN | DIGITAL_OUT | 5V Pin 96-PortG12 DIGITAL_IN | DIGITAL_OUT | 5V Pin 97-PortG13 DIGITAL_IN | DIGITAL_OUT | 5V Pin 98-PortE2 ANALOG_IN20 | DIGITAL_IN | DIGITAL_OUT | Comm2 TX Pin 99-PortE3 DIGITAL_IN | INTERRUPT | DIGITAL_OUT | 5V | Comm2 RX Pin 100-PortE4 ANALOG_IN21 | DIGITAL_IN | DIGITAL_OUT |
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JohnS Guru ![]() Joined: 18/11/2011 Location: United KingdomPosts: 4044 |
Sounds good! If anyone wants to try it but has no PICkit3 (or 2) my various cheap ways to program a PIC32 ought to work fine. Peter's probably will too. John |
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Lou![]() Senior Member ![]() Joined: 01/02/2014 Location: United StatesPosts: 229 |
Matherp, Please include me (and undoubtedly Zonker) on the beta test, I will PM with email to confirm. I am willing to get both 64 and 100 pin chips and carrier boards for now to do some testing. Looks like time for Zonker, WW, or somebody with free time (if there is such a thing) to spin up 64 and 100 pin boards. Wow, looks like you plan to support all processor pins. I haven't looked, is the on chip USB supported ?? That would be great. Thanks for the effort, Lou Microcontrollers - the other white meat |
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CircuitGizmos![]() Guru ![]() Joined: 08/09/2011 Location: United StatesPosts: 1427 |
Integrated USB as a serial device would be great. The USB/ser would be default console, but another set of pins could be selected to be console programmatically. This does lead to some confusion, though, for the newbie. I suppose if this branch gets folded into Geoff's efforts then the 4 or more micromites need to be distinctly documented/named. Micromites and Maximites! - Beginning Maximite |
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matherp Guru ![]() Joined: 11/12/2012 Location: United KingdomPosts: 10315 |
No, USB is disabled and will stay that way unless Geoff wants to do something in the future |
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Bugs2 Newbie ![]() Joined: 18/05/2012 Location: United KingdomPosts: 29 |
Hi JohnS Please could you supply a link to your "various cheap ways to program a PIC32"? Thanks, BUGS2 |
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JohnS Guru ![]() Joined: 18/11/2011 Location: United KingdomPosts: 4044 |
Oh, sure. You can use a Raspberry Pi, USBASP/USBISP, another 'mite and I hope to support cheap arduino mini/nano boards shortly. A very slow way is a PC with FT232RL usb-serial board. You may want to work backwards from the end for RPi & PC versions. For USBASP here If all you have is an Arduino nano/etc then say so and I'll see if I can port the C across - my boards showed up but I've been distracted. If you've some other uC board maybe that... John |
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Frank N. Furter Guru ![]() Joined: 28/05/2012 Location: GermanyPosts: 949 |
Hi Matherp, I have one of these pcb's laying around: Can you send me your hex file? Many thanks! Frank |
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boss![]() Senior Member ![]() Joined: 19/08/2011 Location: CanadaPosts: 268 |
Hi Matherp, please include me as well. Regards Bo |
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Grogster![]() Admin Group ![]() Joined: 31/12/2012 Location: New ZealandPosts: 9610 |
The PCB I am designing, can be used to test or otherwise play around with matherps surperb port of MMBASIC. You can follow the current development of this PCB on this thread. There is a finished WIDE version, and I am currently working on a SKINNY version further down the thread - this is a work in progress. I plan to finish these boards ASAP, but as matherp himself says - these would only be for beta testing purposes at this stage. It will still make that testing much easier then with breakout boards though. I hope to finish the skinny version today, if I can devote some time to it. As to the beta testing, I would also like to help - I will PM matherp. Smoke makes things work. When the smoke gets out, it stops! |
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bigmik![]() Guru ![]() Joined: 20/06/2011 Location: AustraliaPosts: 2950 |
Peter, All, I have my best pigeon eating a wholesome meal readying himself for the arduous flight ahead of him.. He will be tasked with the very important mission of delivering to you a `letter' of great import. He will be on his way over the oceans within the hour. ![]() All (in Australia anyway), RS-Components list a range of variations you may like to consider of the '470 See Full List At around the $10AUS mark plus or minus, depending on package and No. of pins etc. including (they deliver free) delivery in Australia it is pretty cheap for a one or two. The one I looked at (a 64pin TQFP) they listed as stock available for 5-6 day delivery. I do intend to make a MuP V3 to suit this chip but first I wish to get more information on what pins are available for `general use' and the special add-on pins and also what screens are likely to be the `LCD of Choice' for this chip as I see this being a `piggy back' onto an LCD module board. I am also torn as to whether a 64pin or a 100pin is the way to go. (I am getting one of each to play with though) I would like to be a beta tester as well (so please add me to your distro list Peter) but, as we all know, my skills, if indeed I have any, do NOT lie in programming. ![]() Regards, Mick Mick's uMite Stuff can be found >>> HERE (Kindly hosted by Dontronics) <<< |
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bigmik![]() Guru ![]() Joined: 20/06/2011 Location: AustraliaPosts: 2950 |
Peter, I assume this chip would be compatible (ish) with the UBW32-Bitwacker board? If SO I will probably remove the chip off it and use that for a test board. Also If I can put in my dibs.. If this chip, as I believe it has, has USB pins that are not tasked to other more critical duties, I would think that it would be a really good feature to implement USB and avoid all of these variants of USB-TTL adapters and the fake/clone problems. Regards, Mick Mick's uMite Stuff can be found >>> HERE (Kindly hosted by Dontronics) <<< |
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Grogster![]() Admin Group ![]() Joined: 31/12/2012 Location: New ZealandPosts: 9610 |
I think the issue is PROBABLY that it is more tricky then you think, to implement USB handling into MMBASIC. Matherp has indicated that the USB pins are not used, and probably never will be, as Geoff was not going to offer that aspect in MMBASIC. But I don't know - is the USB module in the chip just seen as a USB-serial device anyway? IE: Is the chip side of the USB pins just a serial port to the PIC32 core? Who knows. Smoke makes things work. When the smoke gets out, it stops! |
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bigmik![]() Guru ![]() Joined: 20/06/2011 Location: AustraliaPosts: 2950 |
Grogster, The routines are in the MAXIMITE version of MMBasic and there are some examples supplied by microchip for this purpose.. I never said anything was simple and not tricky, But I will leave it up to thoise who know what they are talking about to play with.. I was just putting feelers out to the masses.. (A design by committee again?) Mick Mick's uMite Stuff can be found >>> HERE (Kindly hosted by Dontronics) <<< |
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Grogster![]() Admin Group ![]() Joined: 31/12/2012 Location: New ZealandPosts: 9610 |
Oh yeah - the Maximite MMBASIC - D'OH!!!!! ![]() ![]() Should have thought of that - I stand corrected. EDIT: I think I will bring out the USB D+, D- and Vbus to pins. I know they are not currently used, but perhaps sometime in the future... Smoke makes things work. When the smoke gets out, it stops! |
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Geoffg![]() Guru ![]() Joined: 06/06/2011 Location: AustraliaPosts: 3292 |
Without making any promises my intention is to eventually implement USB and a SD card interface on these chips. I have the code from the Maximite series but the Micromite code has diverged enough that integrating these two features back in will be a big job. So, it is on the radar but no ETA and no promises. Geoff Geoff Graham - http://geoffg.net |
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Grogster![]() Admin Group ![]() Joined: 31/12/2012 Location: New ZealandPosts: 9610 |
Probably not worth your effort? ...a plethora of USB-serial converters and SD filesystem modules out there... If you want USB, add a USB-serial module(even the VT100!). If you want filesystem, use OpenLOG or ALFAT modules. Just a thought... Is it your plan to officially adopt this new matherp plaything? Smoke makes things work. When the smoke gets out, it stops! |
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matherp Guru ![]() Joined: 11/12/2012 Location: United KingdomPosts: 10315 |
Based on a very quick scan, it should be - but not ideal. They seem to have lost a couple of the port B pins and RF0 and RF1 (console) are connected to the LEDs |
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matherp Guru ![]() Joined: 11/12/2012 Location: United KingdomPosts: 10315 |
I've just discovered a Microchip bug in the latest release of their compiler.This affects all of the basic trig functions. This is something Microchip have introduced in version 1.34 of their compiler so I’ve recompiled under 1.32 and it now works fine. With my wife's help (I can't do MSOffice type things) I've set up a mailing list for the beta testers. If you have asked to be on the beta program and didn't get the email please check your spam folder and if not received let me know. |
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WhiteWizzard Guru ![]() Joined: 05/04/2013 Location: United KingdomPosts: 2944 |
Hi Peter, Please can you confirm the default / boot-up CPU speed. The reason for asking is that the current drawn is about 28mA (100pinner), which is about 3mA less than the 170! Am testing Digital I/Os tonight (wow, how many ![]() WW |
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