error with Touch.cpp

[Sinamajidi]

when I start building my program there is an absolute error with Touch.cpp that I don't know how to solve. (Touch.cpp is not changed.)

I'm using platform io btw.

here is the error:

In file included from src/main.cpp:12:
src/..\lib\TFT_eSPI\Extensions\Touch.cpp: In member function 'void TFT_eSPI::begin_touch_read_write()':
src/..\lib\TFT_eSPI\Extensions\Touch.cpp:27:34: error: 'spi' was not declared in this scope
     if (locked) {locked = false; spi.beginTransaction(SPISettings(SPI_TOUCH_FREQUENCY, MSBFIRST, SPI_MODE0));}
                                  ^~~
src/..\lib\TFT_eSPI\Extensions\Touch.cpp:27:34: note: suggested alternative: 'sei'
     if (locked) {locked = false; spi.beginTransaction(SPISettings(SPI_TOUCH_FREQUENCY, MSBFIRST, SPI_MODE0));}
                                  ^~~
                                  sei
In file included from lib/TFT_eSPI/TFT_eSPI.h:101,
                 from src/main.cpp:7:
lib/TFT_eSPI/Processors/TFT_eSPI_ESP32.h:111:33: error: '_spi_user' was not declared in this scope
     #define SET_BUS_READ_MODE  *_spi_user = SPI_USR_MOSI | SPI_USR_MISO | SPI_DOUTDIN
                                 ^~~~~~~~~
src/..\lib\TFT_eSPI\Extensions\Touch.cpp:31:3: note: in expansion of macro 'SET_BUS_READ_MODE'
   SET_BUS_READ_MODE;
   ^~~~~~~~~~~~~~~~~
In file included from src/main.cpp:12:
src/..\lib\TFT_eSPI\Extensions\Touch.cpp: In member function 'void TFT_eSPI::end_touch_read_write()':
src/..\lib\TFT_eSPI\Extensions\Touch.cpp:42:54: error: 'spi' was not declared in this scope
     if(!inTransaction) {if (!locked) {locked = true; spi.endTransaction();}}
                                                      ^~~
src/..\lib\TFT_eSPI\Extensions\Touch.cpp:42:54: note: suggested alternative: 'sei'
     if(!inTransaction) {if (!locked) {locked = true; spi.endTransaction();}}
                                                      ^~~
                                                      sei
src/..\lib\TFT_eSPI\Extensions\Touch.cpp: In member function 'uint8_t TFT_eSPI::getTouchRaw(uint16_t*, uint16_t*)':
src/..\lib\TFT_eSPI\Extensions\Touch.cpp:66:3: error: 'spi' was not declared in this scope
   spi.transfer(0xd0);                    // Start new YP conversion
   ^~~
src/..\lib\TFT_eSPI\Extensions\Touch.cpp:66:3: note: suggested alternative: 'sei'
   spi.transfer(0xd0);                    // Start new YP conversion
   ^~~
   sei
src/..\lib\TFT_eSPI\Extensions\Touch.cpp: In member function 'uint16_t TFT_eSPI::getTouchRawZ()':
src/..\lib\TFT_eSPI\Extensions\Touch.cpp:109:3: error: 'spi' was not declared in this scope
   spi.transfer(0xb0);               // Start new Z1 conversion
   ^~~
src/..\lib\TFT_eSPI\Extensions\Touch.cpp:109:3: note: suggested alternative: 'sei'
   spi.transfer(0xb0);               // Start new Z1 conversion
   ^~~
   sei
*** [.pio\build\esp32doit-devkit-v1\src\main.cpp.o] Error 1