Errors While Compiling STM32F10x Standard Peripheral Library in Keil

Question

Hello,
I’m encountering multiple errors and warnings when trying to compile a project using the STM32F10x Standard Peripheral Library in Keil uVision. The specific errors are related to assert_param being undeclared and numerous UTF-8 warnings in comments.
Environment:
STM32F10x Standard Peripheral LibraryKeil uVision (Using ARM Compiler v6.21)Key Errors:
call to undeclared function 'assert_param'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]invalid UTF-8 in comment [-Winvalid-utf8] in stm32f10x.hIt seems like the compiler isn't recognizing the assert_param macro, which is leading to multiple errors. I’ve ensured that the stm32f10x_conf.h file includes the necessary header files, but the issue persists.
Has anyone experienced similar issues or can provide guidance on resolving these errors?
Thank you!

romi · Accepted Answer

Thank you for your kind response. I found the solution by defining USE_STDPERIPH_DRIVER in the project header file. I made the following changes in the stm32f10x_rcc.h header file, and now everything is working fine:

#ifndef __STM32F10X_CONF_H
#define __STM32F10X_CONF_H

#define USE_STDPERIPH_DRIVER

#include "stm32f10x.h" // Main STM32F10x header
#include "stm32f10x_gpio.h" // GPIO header
#include "stm32f10x_rcc.h" // RCC header
// Include other necessary headers...

// Define assert_param macro if not already defined
#ifdef USE_STDPERIPH_DRIVER
#define assert_param(expr) ((void)0) // Implement according to your needs
#else
#define assert_param(expr) ((void)0)
#endif

#endif /* __STM32F10X_CONF_H */

TDK · Answer

> invalid UTF-8 in comment [-Winvalid-utf8] in stm32f10x.hYou sure you have valid files? The library shouldn't have non UTF-8 characters.stm32f10x-stdperiph-lib/Project/STM32F10x_StdPeriph_Template/stm32f10x_conf.h at afa743577f2784e95be2d5003380fdb84a702519 · wajatimur/stm32f10x-stdperiph-lib (github.com)Perhaps post your file here?

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