printf is linked although I do not use the function printf() in C code

I dont use printf() function in my project, but I check the output file .m51, I saw the printf() function occupy my code space in common area(with bank switch). and you know it take large space. can...
printf is linked although I do not use the function printf() in C code

I dont use printf() function in my project, but I check the output file .m51, I saw the printf() function occupy my code space in common area(with bank switch). and you know it take large space. can...
How to make printf print on Putty via UART

Hi, I use STM32F4 discovery board with Keil MDK-ARM 5 on a 64-bit Windows 10 machine. I used UART functions like USART_SendData, which was provided from ST, to print messages on Putty. Can I...
How to make printf print on Putty via UART

Hi, I use STM32F4 discovery board with Keil MDK-ARM 5 on a 64-bit Windows 10 machine. I used UART functions like USART_SendData, which was provided from ST, to print messages on Putty. Can I...
error 56: cant open file - although project did work properly

Hello, I didn't find anything helpful in the knowledgebase or through google, therefore I'll post my problem here. I have a project that did exactly what it is intended to do, one week ago (including...