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...
IMPLICIT ERROR

I am trying to write and read pin value from stm32 board, by using keil5 ARM , the problem i am facing is when i use pin8 in keil code it's showing some iplicit error. const char pinsend[]= {C8_Pin...