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Forum Index : Microcontroller and PC projects : RP2350 firmware
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| Bleep Guru  Joined: 09/01/2022 Location: United KingdomPosts: 509 |
To be able to use 720p you now need to set OPTION WIDESCREEN ON or OFF to go back to what you currently have. Regards Kevin |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 857 |
The latest that we have is that; 720p needs 372000. One of our members has experimented with the SDK and was able to get this resolution at a lower frequency. Seems like Pete is on-the-case. |
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| WhiteWizzard Guru Joined: 05/04/2013 Location: United KingdomPosts: 2817 |
I am awaiting three Olimex PC Pico modules to arrive so am asking the following question in advance. Does anyone know if I would be able to successfully use the Pimoroni Pico Plus 2 in the Olimex (HDMI/uSD/Audio) module and leave the cpuspeed set to 315000 and set widescreen on to obtain a usable setup? I have read about 720P needing 372000, and Pimoroni modules unstable at high speed, and recently Pimoroni limited to 315000……. But with the firmware being work-in-progress I know things change virtually daily, and hence the question above Footnote added 2024-09-11 03:38 by WhiteWizzard Message being typed as previous post was sent. Thanks for all info…. For everything Micromite visit micromite.org Direct Email: whitewizzard@micromite.o |
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| Volhout Guru Joined: 05/03/2018 Location: NetherlandsPosts: 4223 |
At the moment no option with widescreen and pico2 plus or pga2350. That is under development, but there is no guarantee there will ever be a solution that works on all TV s and monitors, since it uses a dvi mode that deviates frpm the default 720p mode. It is quite simple. 720p needs 372MHz, and some board do not support this. Note that the guaranteed speed is only 150MHz, so no one to blame. Volhout Edited 2024-09-11 04:23 by Volhout PicomiteVGA PETSCII ROBOTS |
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stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 2122 |
olimex arrived and tried picomitehdmiusb and picomitehdmi but no video, check hdmi tv works? teraterm works with pico2 so there's hdmi to set up. please help.which usb to use?  Edited 2024-09-11 05:57 by stanleyella |
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| matherp Guru Joined: 11/12/2012 Location: United KingdomPosts: 9110 |
Did you type "OPTION RESET OLIMEX" |
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| matherp Guru Joined: 11/12/2012 Location: United KingdomPosts: 9110 |
As advised Edited 2024-09-11 06:06 by matherp |
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| circuit Senior Member  Joined: 10/01/2016 Location: United KingdomPosts: 245 |
The standard Pico configuration reserves some pins for on-board functions such as the 3.3v on-board regulator option on Pin(GP23) and so forth. Some Pico boards are now available with these reserved pins externalised for user allocation. The OPTION PICO OFF removes the reserved pin allocations in the firmware so that the externalised connections can be used. On these boards, GP29 appears at pin location 35, GP23 at pin 37. GP24 is connected to an on-board USER key and a solder-bridge option offers to connect GP23 to an on-board WS2812 LED. Edit: Useful introduction to one of these boards here; https://www.thebackshed.com/forum/ViewTopic.php?TID=15441&P=4 Currently available on Amazon for £4.82; search for "Grendly YD-RP2040" Edited 2024-09-11 06:19 by circuit |
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| stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 2122 |
no. The thread has many pages, my bad. got this to mess with option reset olimex PicoMiteHDMI MMBasic Version 6.00.00b6 OPTION FLASH SIZE 4194304 OPTION KEYBOARD US OPTION CPUSPEED (KHz) 315000 OPTION HDMI PINS 1, 3, 7, 5 OPTION SDCARD GP22, GP6, GP7, GP4 OPTION AUDIO GP26,GP27', ON PWM CHANNEL 5 OPTION MODBUFF ENABLE 192 OPTION PLATFORM OLIMEX > errrr.lots to consider, thank you, star you are let you know,stan |
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| stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 2122 |
I think I should have got the long male to female connectors to solder to pico2 :( on order though. I think it could be more standard. does the usb version work and please explain the pico2 usb socket and the olimex usb socket?? which for what please? |
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| stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 2122 |
I typed mode 3 and circle 240,240,100 and got a circle,,, bit oblate spheroid but olimex is working first test PicoMiteHDMI MMBasic Version 6.00.00b6 Copyright 2011-2024 Geoff Graham Copyright 2016-2024 Peter Mather > option list PicoMiteHDMI MMBasic Version 6.00.00b6 OPTION FLASH SIZE 4194304 OPTION KEYBOARD UK OPTION CPUSPEED (KHz) 315000 OPTION HDMI PINS 1, 3, 7, 5 OPTION SDCARD GP22, GP6, GP7, GP4 OPTION AUDIO GP26,GP27', ON PWM CHANNEL 5 OPTION MODBUFF ENABLE 192 OPTION PLATFORM OLIMEX > no hdmi freq for this luxor tv but hdmi to olimex pico2 and modes seem ok and this is still in development! Edited 2024-09-11 07:31 by stanleyella |
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| stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 2122 |
is olimex another ephemeral board cos it seems pretty tidy? hdmi is not gonna be stripboard friendly and this board does it all. no inductors in the audio filter. loath that I am for using pcb this is an exception https://www.mouser.com/datasheet/2/306/Olimex_RP2040_PICO_PC-3223944.pdf Edited 2024-09-11 08:58 by stanleyella |
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| stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 2122 |
tried mode 1 to 5 with existing 2040 asteroids and bubble universe on olimex pico2 and from jittery to big to not enough memory for mod play. thing is it works through the hdmi and the sd card reader works. it's an old luxor tv and it has synced an stuff fine cos I got no remote. sound test next. link needed. maybe usb version but sort this first. hdmi don't seem faster than vga 2040. pico2 vga was faster than 2040 vga |
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| Volhout Guru Joined: 05/03/2018 Location: NetherlandsPosts: 4223 |
Wauw, I evaluated the thermal camera project with 6.0.0beta5 with the RP2040, and 6.0.0beta5 on the RP2350. Both where running the VGA software. For Tom: this is not tested on Game*Mite yet, only VGA. The thermal camera chip has an internal ADC that samples all the camera pixels every 500ms (default speed). The picomite runs a program that is syncronous with this speed. The program displays the "idle" time on screen. RP2040 @ 252MHz: idle time = 150ms MMBasic uses 500ms-150ms = 350ms to do all the floating point calculations and update the screen. RP2350 @ 252MHz: idle time = 300ms MMBasic uses 500ms-300ms = 200ms to do all the floating point calculations and update the screen. This is the exact same code. Exact same clock frequency. The RP2350 is almost 2x faster. I expect that this is for a large part the speed gain in floating point math. With this processor it might be possible to switch the camera module to 250ms frame rate (you loos accuracy, but that may be acceptable). In the current code there is also a "bit-bang" implementation for screen updates since the RP2040 ran out of ram. I could remove this bit-bang solution by using more ram. Volhout Edited 2024-09-11 17:25 by Volhout PicomiteVGA PETSCII ROBOTS |
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lew247 Guru Joined: 23/12/2015 Location: United KingdomPosts: 1702 |
Welcome back Phil, hope everything is ok |
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6783 |
Stan: HDMI can be stripboard friendly. There are breakout boards. The Adafruit one even has the resistors on it. I think you'll be able to get the USB HDMI version running on there. GP8/GP9 will probably still work with a USB-TTL converter for the console even though there are pull up resistors on them. You don't *need* the long female connectors. There are a lot of pins you can't use even if you have them and some (if not all) of the most useful spare ones are already on that little box header and the little 3-pin header. The 3-pin has GP0 & GP1 CON2 has GP2 & GP3 The 10-gin has GP4, GP5, GP6, GP7, GP8, GP9, GP20, GP21 The HDMI socket has GP10, GP11, GP12, GP13, GP15, GP15, GP16, GP17, GP18, GP19, GP26 Audio has GP27, GP28 The SD card has GP22, GP4, GP6, GP7 (it shares the SPI with the 10-pin) There's nothing left to connect anything to. The female connectors are useful for monitoring but most can only be used if you aren't using DVI/ HDMI. . Edited 2024-09-11 18:19 by Mixtel90 Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| Volhout Guru Joined: 05/03/2018 Location: NetherlandsPosts: 4223 |
Don't forget .....  Volhout PicomiteVGA PETSCII ROBOTS |
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| Bleep Guru Joined: 09/01/2022 Location: United KingdomPosts: 509 |
Hi Peter, I've been chasing a few problems, using PicoMiteHDMI MMBasic Version 6.00.00b6. If in wide screen mode, when you enter the editor, Mode 1, the colouring of the command words and comments is not working correctly. I suspect, although the timings look good, there is something subtle that is not quite right in wide screen. If I connect to my monitor with the HDMI direct, I get no picture, though the monitor clearly thinks there is some kind of signal as the back light comes on, however if I connect to the same monitor through a HDMI to VGA converter I get a 1280x720 @ 60Hz image, this is stable all the time nothing much is happening, however if I run a program with lots of screen updates, the screen stays on for a few seconds, then flashes off, as though the monitor is trying to re-sync, then comes back, this repeats until I stop the program. I have repeated this experiment on 2 different monitors and basically get the same. one of the monitors, for about 10 minutes, initially gave a stable but offset image, about 2 characters to the left, I tried auto adjust, however currently I can't reproduce this, but may be a useful observation, the other monitor I get blue interference (like old fashioned noise) all down the left screen edge, just another observation. Hope this is useful. Regards Kevin. |
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| Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6783 |
I've no idea why they did it that way, unless the autorouter refused to play. It's crazy. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| WhiteWizzard Guru Joined: 05/04/2013 Location: United KingdomPosts: 2817 |
Help needed! Can anyone guide me with the correct connections from a Pico 2 (GP numbers - albeit I am currently using a Pimoroni Pico Plus 2) to an Adafruit HDMI board (TC-, TXC+, TX0-, TX0+, TX1-, TX1+, TX2-, TX2+). In addition, what will be the required parameter values for OPTION HDMI? MANY THANKS for any guidance......... PS - I can work out how to connect GND  Edited 2024-09-12 00:23 by WhiteWizzard For everything Micromite visit micromite.org Direct Email: whitewizzard@micromite.o |
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