Undefined symbol HAL_ADC_... i added everything and the code show no mistakes yet this happen, any ideas ?

[jendoubi saif ddine]

Posted on April 08, 2018 at 19:09

[Tesla DeLorean]

Posted on April 08, 2018 at 19:14

Check defines in stm32f7xx_hal_conf.h pulling in #includes, and that the stm32f7xx_hal_adc.c file is in the project tree.

This is a linker error not a compilation error, so indicates the code behind the functions is missing.

[jendoubi saif ddine]

Posted on April 08, 2018 at 19:27

Thanks for the answer, 

But i did add all the needed files in the project tree this problem keeps happening 

[Tesla DeLorean]

Posted on April 08, 2018 at 19:31

I have zero visibility into your problem, the linker says they are not there.

If the file is not missing, then you'll need to look to see if there is some ♯ ifdef around them preventing the body code from being compiled.

Enable 'Browse Information', and right click 'Go To Definition Of ...' at the places where you call the functions.

[jendoubi saif ddine]

Posted on April 08, 2018 at 19:51

i hope this makes it clear for you, i've been trying for hours , it's the LwIP project from the STM32cubemx applications

[Tesla DeLorean · Accepted solution]

Posted on April 08, 2018 at 20:08

Ok, so still points to HAL_ADC_MODULE_ENABLED not being defined. Select that text and 'Find-in-Files' within the project.

\STM32Cube_FW_F7_V1.11.0\Drivers\STM32F7xx_HAL_Driver\Src\stm32f7xx_hal_adc.c

&sharpifdef HAL_ADC_MODULE_ENABLED

..

&sharpendif

Should be in stm32f7xx_hal_conf.h

...

/* Define to prevent recursive inclusion -------------------------------------*/

&sharpifndef __STM32F7xx_HAL_CONF_H&sharpdefine __STM32F7xx_HAL_CONF_H

&sharpifdef __cplusplus

 extern 'C' {&sharpendif

/* Exported types ------------------------------------------------------------*/

/* Exported constants --------------------------------------------------------*/

/* ♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯ Module Selection ♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯ */

/**  * @brief This is the list of modules to be used in the HAL driver  */&sharpdefine HAL_MODULE_ENABLED&sharpdefine HAL_ADC_MODULE_ENABLED/* &sharpdefine HAL_CAN_MODULE_ENABLED *//* &sharpdefine HAL_CAN_LEGACY_MODULE_ENABLED */

...

[jendoubi saif ddine]

Posted on April 08, 2018 at 20:44

Thank you ! problem solved

🙂