Having trouble with ESP32-S3-WROOM-1 and gpio config

[jdeltoft]

Starting a new post for this ESP32-S3 question. I have had my project working well with the "default" ESP32 now for a bit, but wanted more RAM. So I ordered some S3s with 8MB RAM, 16MB flash. Took a tiny bit of work to get them flashing but wasn't too bad. I then figured it wouldn't be too hard to move over the 14 wires to the 16 pin HUB75E header. Alas... :-(

So after flashing, wifi and logging look perfect, as with other ESP32. But when I moved the GPIO pins to the new board, it's flickering lines on the led panels. I actually had something like this a long time ago with esp32 but it was just a swapped line. So I didn't panic, just checked my header solder joints, re-connected being extra careful for pin numbers etc. No luck.

(There is good news also, the free heap is Free HEAP: 8479959)

Here is my new config in code (src/main.h):

//////////////////// side by notch
  #define R1    6
  #define BL1  17
  #define R2   16
  #define BL2  14
  #define CH_A 13
  #define CH_C 11
  #define CLK   5
  #define OE    4
//////////////////// side away from notch
  #define G1    7
// Ground Pin
  #define G2   15
  #define CH_E 10
  #define CH_B 12
  #define CH_D 18
  #define LAT   9
// Ground Pin
////////////////////

And here is the board gpio numbering:

I looked at the esp32 page to see if any of those pins was a bad choice but don't see any issue. Is there something I'm missing?

Any ideas what to try to debug this?

Here is the board look:

[jdeltoft]

Per a previous discussion, I went back to https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-DMA/blob/master/doc/BuildOptions.md For setting up the S3

I turned on

build_flags = -DSPIRAM_FRAMEBUFFER -DCORE_DEBUG_LEVEL=3

and learned that my configuration for gpio is not working? I will walk back to the previous non S3 working setup for more clues.

[jdeltoft]

Ok, looks like this main.h set of defines is not actually used. I went back to the non S3 board and forgot to change the #if 0 but let it run anyway and the gpio changed still.

[   663][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:415] begin(): [begin()] Using GPIO 25 for R1_PIN
[   664][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:416] begin(): [begin()] Using GPIO 26 for G1_PIN
[   672][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:417] begin(): [begin()] Using GPIO 27 for B1_PIN
[   680][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:418] begin(): [begin()] Using GPIO 14 for R2_PIN
[   689][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:419] begin(): [begin()] Using GPIO 12 for G2_PIN
[   697][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:420] begin(): [begin()] Using GPIO 13 for B2_PIN
[   705][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:421] begin(): [begin()] Using GPIO 23 for A_PIN
[   713][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:422] begin(): [begin()] Using GPIO 19 for B_PIN
[   722][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:423] begin(): [begin()] Using GPIO 5 for C_PIN
[   730][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:424] begin(): [begin()] Using GPIO 17 for D_PIN
[   738][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:425] begin(): [begin()] Using GPIO 10 for E_PIN
[   746][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:426] begin(): [begin()] Using GPIO 4 for LAT_PIN
[   755][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:427] begin(): [begin()] Using GPIO 15 for OE_PIN
[   763][I][ESP32-HUB75-MatrixPanel-I2S-DMA.h:428] begin(): [begin()] Using GPIO 16 for CLK_PIN

The other change I am doing is the board in platformio.ini.

Will be a good chance to go learn more about that board definition and how it's setting these gpio values.

[jdeltoft]

Ok, that works now if I force the file

./libdeps/esp32/ESP32 HUB75 LED MATRIX PANEL DMA Display/src/platforms/esp32s3/esp32s3-default-pins.hp

Just confused why the values in main.h don't work still.

Somewhere I lost a 90 degree rotation also. 😃

[jdeltoft]

Glad these pins can work also since I sent this out yesterday... hahaha

[jdeltoft]

This fixed it also.

[mrcodetastic]

This is indeed that is how gpio mapping is done.

Would you mind sharing your pcb sketch? Does this fit just the standard s3 dev board? I would like to use this design in something I'm working on.

[jdeltoft]

Of course! I should get the board by next weekend, I would like to validate the board before sharing it here but as soon as I do I'll share the zip and also I can share links to the sd card module (spi) that I bought as an option (pins in the center) and the 16 pin through hole connecter also. I can send pix also. NOTE: This is specific to the 44 (22 per side) esp32 S3 boards I got, but the footprint is pretty standard (.1'' spacing, 1'' spacing between two sides)

Regarding these pins, I am still confused (haven't thought about it much) why just setting up main.h values doesn't work? Can you share why it was setup that way?