[Arduino IDE demo source code for KC868-A32]--#07-KC868-A32_Web_server_code

[tugalsan]

For the product: KinCony KC868-A32 Rev:1.2
With arduino: 2.0.4
With the custom libraries below:
CF8574_library.zip
WiFiManager.zip
When I open up the arduino, It wants to update the custom libraries. I Updated
Then I restarted the Arduino.
Then, I could able to compile the project with below warnings:

Code:

In file included from C:\me\codes\arduino\KinCony\KC868-A32_Web_Server\KC868-A32_Web_Server.ino:9:0:
c:\me\codes\arduino\libraries\WiFiManager/WiFiManager.h:706:10: warning: #warning "ESP32 set country unavailable" [-Wcpp]
        #warning "ESP32 set country unavailable"
          ^

Code:

In file included from c:\me\codes\arduino\libraries\WiFiManager\WiFiManager.cpp:13:0:
c:\me\codes\arduino\libraries\WiFiManager\WiFiManager.h:706:10: warning: #warning "ESP32 set country unavailable" [-Wcpp]
        #warning "ESP32 set country unavailable"
          ^

Code:

C:\Users\tugal\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.6\cores\esp32\esp32-hal-spi.c: In function 'spiTransferBytesNL':
C:\Users\tugal\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.6\cores\esp32\esp32-hal-spi.c:922:39: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types]
                uint8_t * last_out8 = &result[c_longs-1];
                                      ^
C:\Users\tugal\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.6\cores\esp32\esp32-hal-spi.c:923:40: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types]
                uint8_t * last_data8 = &last_data;
                                        ^