使用PowerPoint_to_sketch生成的ino文件编译ESP32时出错求助

我用PowerPoint_to_sketch宏从演示文件生成了ino文件，按样例规则操作成功生成，但编译用于ESP32和320x240 TFT触摸屏时出现无法解决的错误（已确认TFT_eSPI库配置正确）。

错误信息 #

Indexing .pio\build\esp32doit-devkit-v1\lib37e\libTFT_eSPI.a
src/main.cpp:31:33: error: no matching function for call to 'TFT_eSPI_ext::TFT_eSPI_ext()'
 TFT_eSPI_ext tft = TFT_eSPI_ext();
                                  ^
In file included from lib/PowerPoint_to_sketch/ILI9341_t3.h:2,
                 from lib/PowerPoint_to_sketch/font_Arial.h:4,
                 from src/main.cpp:24:
lib/PowerPoint_to_sketch/TFT_eSPI_ext.h:36:3: note: candidate: 'TFT_eSPI_ext::TFT_eSPI_ext(TFT_eSPI*)'
   TFT_eSPI_ext(TFT_eSPI *tft)
   ^~~~~~~~~~~~
lib/PowerPoint_to_sketch/TFT_eSPI_ext.h:36:3: note:   candidate expects 1 argument, 0 provided
lib/PowerPoint_to_sketch/TFT_eSPI_ext.h:29:7: note: candidate: 'TFT_eSPI_ext::TFT_eSPI_ext(const TFT_eSPI_ext&)'
 class TFT_eSPI_ext : public TFT_eSPI
       ^~~~~~~~~~~~
lib/PowerPoint_to_sketch/TFT_eSPI_ext.h:29:7: note:   candidate expects 1 argument, 0 provided
src/main.cpp: In function 'void setup()':
src/main.cpp:75:44: warning: unsigned conversion from 'int' to 'uint16_t' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow]
   Button4.initButton(&tft,154, 54, 222, 5, 0x10000, 0xFFFF, 0xFFFF, buttonLabel4, 2);
                                             ^~~~~~~
src/main.cpp:76:46: warning: unsigned conversion from 'int' to 'uint16_t' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow]
   Button5.initButton(&tft,154, 112, 193, 31, 0x10000, 0xC2C2, 0xFFFF, buttonLabel5, 2);
                                               ^~~~~~~
src/main.cpp:77:46: warning: unsigned conversion from 'int' to 'uint16_t' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow]
   Button6.initButton(&tft,154, 168, 193, 31, 0x10000, 0xC2C2, 0xFFFF, buttonLabel6, 2);
                                               ^~~~~~~
src/main.cpp:78:44: warning: unsigned conversion from 'int' to 'uint16_t' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow]
   Button7.initButton(&tft,294, 24, 37, 35, 0x10000, 0xF800, 0xFFFF, buttonLabel7, 2);
                                             ^~~~~~~
src/main.cpp:79:45: warning: unsigned conversion from 'int' to 'uint16_t' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow]
   Button8.initButton(&tft,93, 110, 110, 31, 0x10000, 0xC2C2, 0xFFFF, buttonLabel8, 2);
                                              ^~~~~~~
src/main.cpp:80:46: warning: unsigned conversion from 'int' to 'uint16_t' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow]
   Button9.initButton(&tft,215, 112, 110, 31, 0x10000, 0xC2C2, 0xFFFF, buttonLabel9, 2);
                                               ^~~~~~~
src/main.cpp:81:46: warning: unsigned conversion from 'int' to 'uint16_t' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow]
   Button10.initButton(&tft,93, 170, 110, 31, 0x10000, 0xC2C2, 0xFFFF, buttonLabel10, 2);
                                               ^~~~~~~
src/main.cpp:82:47: warning: unsigned conversion from 'int' to 'uint16_t' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow]
   Button11.initButton(&tft,215, 170, 110, 31, 0x10000, 0xC2C2, 0xFFFF, buttonLabel11, 2);
                                                ^~~~~~~
src/main.cpp:83:45: warning: unsigned conversion from 'int' to 'uint16_t' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow]
   Button12.initButton(&tft,154, 54, 222, 5, 0x10000, 0xFFFF, 0xFFFF, buttonLabel12, 2);
                                              ^~~~~~~
src/main.cpp:84:45: warning: unsigned conversion from 'int' to 'uint16_t' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow]
   Button13.initButton(&tft,294, 24, 37, 35, 0x10000, 0xF800, 0xFFFF, buttonLabel13, 2);
                                              ^~~~~~~
src/main.cpp: In function 'void loop()':
src/main.cpp:92:3: error: 'Screen1' was not declared in this scope
   Screen1();
   ^~~~~~~
src/main.cpp:92:3: note: suggested alternative: '_reent'
   Screen1();
   ^~~~~~~
   _reent
src/main.cpp:97:3: error: 'Screen2' was not declared in this scope
   Screen2();
   ^~~~~~~
src/main.cpp:97:3: note: suggested alternative: '_reent'
   Screen2();
   ^~~~~~~
   _reent
src/main.cpp:102:3: error: 'Screen3' was not declared in this scope
   Screen3();
   ^~~~~~~
src/main.cpp:102:3: note: suggested alternative: '_reent'
   Screen3();
   ^~~~~~~
   _reent
Compiling .pio\build\esp32doit-devkit-v1\libc11\PowerPoint_to_sketch\font_ArialBold.c.o
*** [.pio\build\esp32doit-devkit-v1\src\main.cpp.o] Error 1

相关代码片段 #

#include <font_Arial.h>
#include <font_ArialBold.h>
#include <font_ArialItalic.h>
#include <font_ArialBoldItalic.h>

#include <SPI.h>
#include <TFT_eSPI_ext.h>
TFT_eSPI_ext tft = TFT_eSPI_ext();

解决步骤 #

1. 修复TFT_eSPI_ext初始化错误 #

TFT_eSPI_ext没有无参构造函数，必须传入一个TFT_eSPI对象指针。修改代码：

#include <font_Arial.h>
#include <font_ArialBold.h>
#include <font_ArialItalic.h>
#include <font_ArialBoldItalic.h>

#include <SPI.h>
#include <TFT_eSPI.h>
#include <TFT_eSPI_ext.h>

TFT_eSPI tft_base = TFT_eSPI();
TFT_eSPI_ext tft = TFT_eSPI_ext(&tft_base);

2. 修复颜色值溢出警告 #

0x10000超出了uint16_t（16位无符号整数）的最大值0xFFFF，会被自动转为0。将所有0x10000替换为合法的16位颜色值，比如黑色0x0000：

Button4.initButton(&tft,154, 54, 222, 5, 0x0000, 0xFFFF, 0xFFFF, buttonLabel4, 2);

3. 修复Screen函数未定义错误 #

检查生成的代码是否包含Screen1()、Screen2()、Screen3()的函数定义：

• 若宏生成时遗漏，重新运行PowerPoint_to_sketch宏并确保所有幻灯片对应的屏幕函数被生成
• 若代码拆分到多个文件，需将包含这些函数的文件正确引入到项目中

内容的提问来源于stack exchange，提问作者Sina M