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fast-lcd-i2c's Introduction

Hi there ๐Ÿ‘‹

So, the short bio says I'm retired. But I'm still learning, and trying to catch up with the field where I started. It's really a new world for software development!

When I started, real computers filled a big room, not including their air conditioner, which filled another one. "Mini" computers filled an electronics rack. Memory was $0.50/byte. One Mhz was a fast CPU clock. Programmers got paid $5/hour. Oh, and a 1 MByte removable disk platter cost $100, but the drive and controller to use it was about $20k. Can you guess what we spent our time doing?

If you guessed we were working mostly on getting rid of extra memory bytes and clock cycles, you were right! Eventually I went off and started working for a little company named Etec, building electron beam lithography machines to make masks for the Semiconductor industry. (Masks are the "negatives" which are printed on wafers to make chips.) At that time, there was trouble making the masks for 16 kbit memory chips. Masks for the first available sample chips were made on our prototype tool. Over the next twenty years, we helped make quite some progress!

These days I've been fascinated by the newest generations of Single Board Computers and the ready availablity of micro-controllers along with all manner of peripherals for them. So I finally took the plunge and spent the big bucks ($4!!!) on a Raspberry Pi Pico. (Buy two, they're small!). Now I'm drinking from the fire hose trying to learn about Github, VSCode, Make, CMake, C++ enhancements, and all the rest that makes the modern world of software development so different from the old "Wild West" days of my past. Maybe I'll even finish automating my old exercise bike one day!

But Learning is still my passion. When I stop, please nail the lid on the box and start throwing dirt on the top, because I have died. Until then, on to something new!

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fast-lcd-i2c's Issues

Fast-LCD-I2C does not work! Examples does not run.

Hi, I am using a portable IDE 1.8.19 and was looking forward to using this library.

I tried to run the Hello World example since my own code produced a strange error (strange to me).

My original issue was that using interrups with an LCD that obviously uses "Wire.h", doesnt work. I am not a program wiz but seems there are inteference with the interups used by wire.

Would be great to use your "Fast-LCD-I2C" if it works, but will be even greater if you could help with my interrupt problem.
Many thanks!!

Below is the error generated with Hello World Example.:

Arduino: 1.8.19 (Windows 10), Board: "Arduino Uno"

In file included from C:\Users\Andries\Documents..arduino-1.8.19\libraries\LCD_I2Cfast\LCD_I2C.cpp:18:0:

C:\Users\Andries\Documents..arduino-1.8.19\libraries\LCD_I2Cfast\LCD_I2C.h: In function 'void sleep_ms(uint32_t)':

C:\Users\Andries\Documents..arduino-1.8.19\libraries\LCD_I2Cfast\LCD_I2C.h:23:38: error: 'delay' was not declared in this scope

inline void sleep_ms(uint32_t time) {delay(time);}

                                  ^~~~~

C:\Users\Andries\Documents..arduino-1.8.19\libraries\LCD_I2Cfast\LCD_I2C.h: In function 'void sleep_us(uint64_t)':

C:\Users\Andries\Documents..arduino-1.8.19\libraries\LCD_I2Cfast\LCD_I2C.h:24:38: error: 'delayMicroseconds' was not declared in this scope

inline void sleep_us(uint64_t time) {delayMicroseconds(time);}

                                  ^~~~~~~~~~~~~~~~~

exit status 1

Error compiling for board Arduino Uno.

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

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