Implicit declaration is invalid warning for __set_BASEPRI() function in Keil

I'm trying to use a __set_BASEPRI function in Keil to set up interrupts in STM32F407 but the IDE shows warning "implicit declaration of function '__set_BASEPRI' is invalid in C99". The code compiles without...
Implicit declaration is invalid warning for __set_BASEPRI() function in Keil

I'm trying to use a __set_BASEPRI function in Keil to set up interrupts in STM32F407 but the IDE shows warning "implicit declaration of function '__set_BASEPRI' is invalid in C99". The code compiles without...
warning: implicit declaration of function 'ITM_SenderChar' is invalid in C99 issue

Hi. I came across the warning message as follow warning: implicit declaration of function 'ITM_SenderChar' is invalid in C99 when I implement ITM_SendChar('\r'); what am I supposed to...
warning: implicit declaration of function 'ITM_SenderChar' is invalid in C99 issue

Hi. I came across the warning message as follow warning: implicit declaration of function 'ITM_SenderChar' is invalid in C99 when I implement ITM_SendChar('\r'); what am I supposed to...
warning C108: '=': possible value truncation

Hello, there might be an undetected overrun in the result of 'a * b'. So i used the cast ((unsigned long long int)a to force the result of 'a * b' to long long. Unfortunately this compiler warning...