FMC Bug in CubeMX

[Harry May]

Posted on September 18, 2017 at 01:42

Hello,

CubeMX is missing some lines of code, so the FMC will not work with the generated code.

CubeMX Version: 4.22.1

CPU: SMT32F427VG..

First I configured the FMC for my TFT display with the standard libs and all worked fine.

Then I used CubeMX to generate the same code using HAL.

In general the code is correct, but two important things are missing in MX_FMC_Init():

1. at the beginning the FMC clock must be enabled: __HAL_RCC_FMC_CLK_ENABLE();

2. the GPIOs of the FMCs are not initialized as alternate function, so I added:

    GPIO_InitTypeDef GPIO_Init_Structure;

    GPIO_Init_Structure.Mode      = GPIO_MODE_AF_PP;    GPIO_Init_Structure.Pull      = GPIO_NOPULL;    GPIO_Init_Structure.Speed     = GPIO_SPEED_HIGH;    GPIO_Init_Structure.Alternate = GPIO_AF12_FMC;

    GPIO_Init_Structure.Pin   = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5 |

                                  GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 |                                  GPIO_PIN_14 | GPIO_PIN_15;    HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);

    GPIO_Init_Structure.Pin   =   GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 |

                                  GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;    HAL_GPIO_Init(GPIOE, &GPIO_Init_Structure);

with this additional code everything works perfectly.

Maybe one of the CubeMX programmers can look at this issue and add this code into the automatic program generator.

Harry

[Imen.D]

Posted on September 18, 2017 at 18:30

Hello

harry4516

,

Itested with the same board and CubeMX version (4.1):The

FMC clock is enabled and the

GPIOs are initialized in STM32F4xx_hal_msp.c file.

Please, try to share your ioc file to check your issue.

Kind Regards

Imen

[Harry May]

Posted on September 18, 2017 at 22:26

Hello Imen,

thank you for answering.

How to reproduce the problem:

In CubeMX 4.22.1: New Project, select STM32F427VG, Start Project

Configure: FMC for LCD, A16, 16bit

Configure: RRC enable ext Clock

Generate program. This is all I have done.

If I look into STM32F4xx_hal_msp.c then I see no Clock or GPIO init, only Priority settings.

I have put the files on my server:

ioc-File:

http://www.dj0abr.de/files/fmctest.ioc

complete project as ZIP:

http://www.dj0abr.de/files/fmctest.zip

Kind Regards

Harry