Something on F1C100s by piotr_go

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Post #1
18643031 24 Apr 2020 11:32

Hello

I honestly admit that I do not know yet what exactly will be built. For now, I am trying to run what I can from the interfaces available in the system.

What is F1C100s? It is a Chinese SOC in the QFN88 housing with:
- ARM9 processor (not to be confused with Cortex A9)
- 32MB RAM (built-in DDR1)
- LCD controller
- camera input
- composite input / output (TV in / out)
- audio codec
- resistive touch controller for LCD
- USB / SD / MMU / DMA / Timers / ....
The layout cost is approximately $ 2.

I will be using the Lichee Pi Nano tile for my experiments.
Some time ago I bought a few items and they were waiting for their turn.

The soft on which I base my experiments can be downloaded HERE .

At the moment I was able to run VGA (640x480) through the converter board connected to the LCD connector.

I also have a matching LCD touchscreen that I will want to run.

Attachments:

Allwinner_F1C200s_User_Manual_V1.1.pdf Download (4.72 MB)

Allwinner_F1C200s_Datasheet_V1.1.pdf Download (1.43 MB)

vga-xboot.tar.gz Download (1.94 MB) Punkty: 1 for the user

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piotr_go piotr_go

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piotr_go wrote 2837 posts with rating 3187, helped 91 times. Been with us since 2003 year.
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#2 18643288 24 Apr 2020 13:04

ArturAVS ArturAVS

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Post #2
18643288 24 Apr 2020 13:04

Cool baby It is a pity that I do not have enough programming knowledge, but with such resources (and dimensions) I would think of some SDR receiver. The built-in audio codec in the case of "W" can be replaced with an external one with better ADC parameters. The SDR front-end itself is very simple. It would be an interesting solution (SDR the size of a cigarette pack). You might even be tempted to build a full-fledged TRX QRP (you need two codecs, one for the TX and the second RX).
#3 18643646 24 Apr 2020 15:17

piotr_go piotr_go

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Post #3
18643646 24 Apr 2020 15:17

ArturAVS wrote:
The built-in audio codec in the case of "W" can be replaced with an external one with better ADC parameters.

Codec on the list of things to run, right after SD. Currently I deal with LCD and touch.
Of course, it's about soft without using Linux, so that the whole thing starts in less than a second.
#4 18643842 24 Apr 2020 17:02

ArturAVS ArturAVS

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Post #4
18643842 24 Apr 2020 17:02

While the DAC in the codec looks interesting (two 8-192kHz channels), the ADC is poor (one 8-48kHz channel). For the SDR you would need to provide an external two-channel ADC.

piotr_go wrote:
I was able to run VGA (640x480) through the converter board connected to the LCD connector.

What is this converter? Maybe it's better some LCD with a touch after SPI (e.g. popular for arduino 320x240 etc.)? It is a pity that Lichee Pi Nano is unavailable in the country.
#5 18643872 24 Apr 2020 17:16

piotr_go piotr_go

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Post #5
18643872 24 Apr 2020 17:16

ArturAVS wrote:
What is this converter?

Something on the "GM7123" scalak, probably ADV7123 clone.

ArturAVS wrote:
Maybe it's better some LCD with a touch after SPI (e.g. popular for arduino 320x240 etc.)?

I have 800x480 torn from navigation. It works. I'll post a video tomorrow.
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#6 18643947 24 Apr 2020 17:42

ArturAVS ArturAVS

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Post #6
18643947 24 Apr 2020 17:42

piotr_go wrote:
I have 800x480 torn from navigation

I also have a few of them, I wonder if the pinout is correct.
#7 18644870 24 Apr 2020 23:55

piotr_go piotr_go

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Post #7
18644870 24 Apr 2020 23:55

LCD, touch, UART, SPI FLASH are already working, so that HMI display can be done.
#8 18645112 25 Apr 2020 08:37

ArturAVS ArturAVS

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Post #8
18645112 25 Apr 2020 08:37

Watch https://www.youtube.com/watch?v=cwCxkLZRuN0 F1C100s probably has more computing power than STM32F407?
#9 18645296 25 Apr 2020 10:43

piotr_go piotr_go

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Post #9
18645296 25 Apr 2020 10:43

There is no FPU so there could be a problem.
However, there is a similar SOC - V3s with Cortex A7 core and FPU. The housing is only slightly larger (LQFP128).
#10 18647608 26 Apr 2020 07:47

ArturAVS ArturAVS

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Post #10
18647608 26 Apr 2020 07:47

piotr_go wrote:
There is no FPU so there could be a problem

In fact, I didn't look at the DS in this respect. Probably without FPU it will not be able to handle DSP processing in SDR.
You mean something like that? https://www.ebay.com/itm/Lichee-Pi-Zero-Allwi...CPU-Linux-Development-Board-IOT-/273982586131
#11 18647902 26 Apr 2020 10:37

piotr_go piotr_go

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Post #11
18647902 26 Apr 2020 10:37

Yes. This one.

========= update 04/28/2020 =========

I was supposed to run the SD first, but I started working on the DAC first.
Sound, DMA, interrupts are working.

Now there is SD.

========= update 4/30/2020 =========

I launched the SD :)

Now you will have to write some interesting soft.
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#12 18660812 01 May 2020 14:19

piotr_go piotr_go

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Post #12
18660812 01 May 2020 14:19

========= update 05/02/2020 =========
I have pinpointed the cause of the low FPS. Data cache was disabled
Now DOOM flashes in full screen.
By the way, I launched hardware color indexing.
#13 18701823 18 May 2020 16:47

piotr_go piotr_go

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Post #13
18701823 18 May 2020 16:47

PCB ordered, I hope it does not sleep ........
F1C200s (64MB) + LCD + AV + USB-C + uSD + SPI + I2C + I2S + UART ...
Dimensions: 50x50mm
#14 18701938 18 May 2020 17:47

ArturAVS ArturAVS

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Post #14
18701938 18 May 2020 17:47

I can see that the work is progressing.
#15 18769722 19 Jun 2020 21:11

piotr_go piotr_go

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Post #15
18769722 19 Jun 2020 21:11

Tested, it works. Now it just stayed soft.
Some simple OS would be handy to be able to load programs from the card.
I'll take care of it tomorrow.
#16 18769816 19 Jun 2020 22:00

khoam khoam

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Post #16
18769816 19 Jun 2020 22:00

piotr_go wrote:
Some simple OS would be handy to be able to load programs from the card.

How is it, some? Just linux
https://www.thirtythreeforty.net/posts/2020/02/trying-the-allwinner-f1c200s/
#17 18769854 19 Jun 2020 22:16

piotr_go piotr_go

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Post #17
18769854 19 Jun 2020 22:16

Nah, and will I wait 3-5 seconds for it to take off?
I'll try to write something myself. I'll see what comes out of this.
I already have drivers for everything. Today I launched a new display with a capacitive touch.
#18 18770064 20 Jun 2020 01:16

blue_17 blue_17

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Post #18
18770064 20 Jun 2020 01:16

Maybe some interface for PS @ or USB to the keyboard because I am proud to play it I ask kindly
#19 18770120 20 Jun 2020 05:57

ArturAVS ArturAVS

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Post #19
18770120 20 Jun 2020 05:57

Pretty neat tile came out.
#20 18770405 20 Jun 2020 10:48

piotr_go piotr_go

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Post #20
18770405 20 Jun 2020 10:48

blue_17 wrote:
Maybe some interface for PS @ or USB to the keyboard

I forgot about the USB completely, I don't have this driver. It will probably come off a bit because the USB chapter has only 3 pages in PDF.
... unless I connect via UART using this .
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#21 19037159 11 Nov 2020 17:03

bronek999 bronek999

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Post #21
19037159 11 Nov 2020 17:03

Hello

I'm interested in this ARM SOC.
I have digital photo frame and I want to make display connected to PC.
In this time there is original firmware stored in SPI flash. Type I don't know, mark from package is removed.
Connection to JTAG pins TCK,TMS,TDI,TDO was succesfull, j-link GDB server found 0x07926F0F (ARM9) device.

How can I continue?
I have no idea. I need only LCD display interface and serial interface (USB or UART).
Today I bought Lichee Nano with linux firmware and 40pin LCD for testing.
My display is 50pin, there is 2more power sources enabled by GPIO of F1C100s.

Where to start if I want to develope standalone application? (no linux)
I'm working with STM32, gcc+eclipse, but there is no support for Allwinner devices....
#22 19037216 11 Nov 2020 17:20

piotr_go piotr_go

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Post #22
19037216 11 Nov 2020 17:20

Firmware can be uploaded via USB. No jtag required.
Software for uploading is called "sunxi-fel".
In the makefile from first post there is a command "make boot" or "make flash".
To make this work flash need to be empty or disconnected.
You can lift dataflash HOLD pin and connect to goround when needed.
#23 19039132 12 Nov 2020 14:27

bronek999 bronek999

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Post #23
19039132 12 Nov 2020 14:27

Piotr thanks for answer.
Now I have connected this board by USB. sunxi-fel knows download spiflash for backup.
So next question:
Is here some hello world project? SDK or IDE for develpoment?
#24 19039228 12 Nov 2020 15:25

piotr_go piotr_go

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Post #24
19039228 12 Nov 2020 15:25

bronek999 wrote:
Is here some hello world project?

First post.
#25 19116432 15 Dec 2020 18:25

bronek999 bronek999

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Post #25
19116432 15 Dec 2020 18:25

My project is pure hardware C application with no OS,no XBOOT, no RTT.
Only hardware drived by f1c100s driver library.
USB (CDC or HID) added. Graphics widgets by lgvl_io

result is
#26 19118524 16 Dec 2020 17:26

piotr_go piotr_go

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Post #26
19118524 16 Dec 2020 17:26

bronek999 wrote:

Thumb up.
#27 20925661 24 Jan 2024 00:57

macka4gg macka4gg

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Post #27
20925661 24 Jan 2024 00:57

I know, this topic is a bit old, but it so happens that the manufacturer decided to put this system in the display, or rather the control panel (because I communicate with the control unit only via the serial port and GCODE commands) of the Creality Ender 3 S1 pro printer, and I would like to use it to capture the video signal on any universal interface, e.g. HDMI or VGA. Would it be possible to do something like this? If so, how? I will add that the control panel has an SD card slot used to update the "firmware", or really probably software, because I read somewhere that the microcontroller has Linux installed.
#28 20926052 24 Jan 2024 11:17

piotr_go piotr_go

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Post #28
20926052 24 Jan 2024 11:17

macka4gg wrote:
I would like to use it to capture a video signal on any universal interface, e.g. HDMI or VGA. Would it be possible to do something like this?

The system only has CSI (camera) and CVBS (composite video) inputs. I doubt either is output to the PCB.
#29 20926802 24 Jan 2024 19:42

macka4gg macka4gg

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Post #29
20926802 24 Jan 2024 19:42

Would it be possible to somehow capture the signal from this composite input and display it on the screen?
#30 20926914 24 Jan 2024 20:44

piotr_go piotr_go

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Post #30
20926914 24 Jan 2024 20:44

If you find a description of the CVBS registers and write the appropriate driver, why not.
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Topic summary

The discussion revolves around the F1C100s, a Chinese System on Chip (SoC) featuring an ARM9 processor, 32MB DDR1 RAM, and various interfaces including LCD, camera input, and audio codec. Users are experimenting with the Lichee Pi Nano tile, exploring applications such as SDR receivers and HMI displays. The conversation includes technical insights on interfacing LCDs, using external ADCs for better performance, and developing software without a full operating system. There are mentions of the F1C200s model, which offers enhanced capabilities. Participants share progress on hardware and software development, including successful implementations of USB, DMA, and graphics widgets.
Summary generated by the language model.