Hansel
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- Hansel
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Hi, formatting with special SD format did not help. Switched to Marlin FW to exclude some HW issue. No issues with LCD in combination with SD card. All functioning fine now......
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LDO swap didn't improve, but at least i now have 3.3V supply for SD.So just running Ultratronics (409) with LCD reprap display in software SPI mode. Here's my logging from repetier server. You can notice that card is succesfully initialized. It …
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ok, tried to run LCD test firmware -> SD card not ready Measured 3V3 supply on the LCD : 4.0V ! will replace LDO regulator and see if this brings something....
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Hi, Issue still not solved :-( So i do use the DUE_SOFTWARE_SPI, but then i keep having issues with my SD card. It initializes / mounts ok, but all other actions, reading/writing goes wrong. So software SPI does not seem to work with my SD for some…
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Hi, yes indeed the display and SD use same spi pins. If i remove/comment the software spi code, the display does not work, but SD card does. However display does show repeteer startup screen ! But that screen remains. If i uncomment software spi …
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What is the difference between software and hardware SPI ? If i enable LCD display, software SPI is activated. If i uncomment these defines and goto hardware SPI, display only shows startup screen then freezes. But SD card works.
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Hi, I disabled display in FW. Now SD card works ok in either display entry or via main board. So enabling LCD will mesh up SD card read/write.
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Ok, i’ve Googled on sd card issue ultratronics and display, looks like issue appears as soon as display is enabled. Will try to disable display and then test sd card on display sd interface....
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Hi, When i have the display connected and enabled in firmware, the system accepts the SD card in both slots (1 at a time). Meaning both slots seem active. Is the switching/selection done in firmware or hardware? Renards, Hans
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ok, after modifying config.h and downloading to the board, readout of eeprom M205 shows wrong values for bed temp pid.
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Ok, thanks for the reply. I can report following progress: Temperatures: - tuned PID parameters for heated bed and extruder. (both controllers to PID) Extruder is ok Still have sometimes initial ~10 deg overshoot on the bed temp. Sometimes it just…
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ok, found that eeprom file is generated onto SD card, but has size 0. Asuming SD card reading/writing is the problem.... Trying reduced SCK frequency. I do have app. 1 m cable between display and ultratronics board....