I’ve been working on an Arduino sketch using the SparkFun MicroMod Input and Display Carrier Board, with a MicroMod ESP32 processor.
I’m getting the following errors:
c:\Users\Arduino\libraries\SparkFun_HyperDisplay_4DLCD-320240\src\HyperDisplay_4DLCD-320240_4WSPI.cpp: In member function ‘void LCD320240_4WSPI::setBacklight(uint8_t)’:
c:\Users\Arduino\libraries\SparkFun_HyperDisplay_4DLCD-320240\src\HyperDisplay_4DLCD-320240_4WSPI.cpp:209:9: error: ‘ledcAttachPin’ was not declared in this scope; did you mean ‘ledcAttach’?
209 | ledcAttachPin(_bl,15);
| ^~~~~~~~~~~~~
| ledcAttach
c:\Users\Arduino\libraries\SparkFun_HyperDisplay_4DLCD-320240\src\HyperDisplay_4DLCD-320240_4WSPI.cpp:210:9: error: ‘ledcSetup’ was not declared in this scope
210 | ledcSetup(15,12000,8);
| ^~~~~~~~~
exit status 1
Compilation error: exit status 1
Arduino IDE 2.2.1
MicroMod ESP32
SparkFun MicroMod Input and Display Carrier Board
Following libraries installed for the Carrier Board:
SparkFun HyperDisplay Arduino Library
SparkFun HyperDisplay ILI9341 Arduino Library
SparkFun HyperDisplay 4DLCD-320240 Arduino Library
Any suggestions as to what I’m doing wrong?
You have the right libraries…which verison of arduino are you using? It might want a downgrade to 1.8x
Usually I recommend a wipe & retry Uninstall for a fresh re-install - #4 by nzcrog - IDE 1.x - Arduino Forum just to nuke/overkill and get it going again…you can copy the arduino15 folder and save it somewhere as a backup if you need to use the other libraries (or just re-install as needed…keeps it a bit cleaner, as my folder/sub-menus grow fast!)
Thank you!!
I get the same error with 1.8.9 on another computer also.
I’m using IDE 2.2.1 I see there’s a newer version. I’ll uninstall this one and install the newer version.
Thanks again!
This is a known issue with ESP32.
These functions have been replaced starting V3.0 of the ESP32 library.
See ledcSetup with ESP32 Core V3.0.0 not work - Microcontrollers - Arduino Forum
- The quick workaround in the IDE/ board selection select the 2.0.17 version of the ESP32.
- OR Try to change \Users\Arduino\libraries\SparkFun_HyperDisplay_4DLCD-320240\src\HyperDisplay_4DLCD-320240_4WSPI.cpp:209:9 the
ledcAttachPin(_bl,15);
ledcSetup(15,12000,8)
ledcWrite(15, 255-b);
to
ledcAttach(_bl,12000,8);
ledcWrite(_bl, 255-b);
- OR try to change \Users\Arduino\libraries\SparkFun_HyperDisplay_4DLCD-320240\src\HyperDisplay_4DLCD-320240_4WSPI.cpp:209:9 the
#if defined(ARDUINO_ARCH_ESP32)
ledcAttachPin(_bl,15);
ledcSetup(15,12000,8);
ledcWrite(15, 255-b);
#else
analogWrite(_bl, 255-b);
#endif
to (just forget teh whole ESP32 led approach)
analogWrite(_bl, 255-b);
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