About JJoy.1

JJoy.1 · 2023-04-27

The other end of USB is a custom board which can act as a CDC device.(When connecting the custom board to PC, interface showing as per the attachment.. Showing as RNDIS interface and 3 virtual COM Port.)Attached code which we tried for USB host. Pl...

JJoy.1 · 2021-08-09

After 36, it will give error and exited from code.I tried another card , the code will set the sector count to 16 and loops through it to make the read complete. As i am trying a large file, its taking so much time.I just want to know, is the se...

JJoy.1 · 2021-08-03

HAL_Delay (500); fresult = f_mount(&fs, "/", 1); if (fresult != FR_OK) Serial_PutString ("ERROR!!! in mounting SD CARD...\n\n"); else { Serial_PutString("\n\r SD CARD mounted successfully...\n\n"); fresult = f_open (&fil, "zephyr_20210506_nbi...

JJoy.1 · 2021-07-22

When i tried to give Pull ups for SPI pins except SPI1_SCK, i am getting FR_NOT_READY error.I am completely stuck in this issue. Please have a look into this and provide a solution for me.Thanks in advance.Jestina

JJoy.1 · 2021-07-09

The QSPI pins are mentioned in STM32H7A3 reference document. Please refer Img1.In STM32CubeIDE I am seeing the interface as OCTOSPI. Please refer Img2.I need to know Does STM32H7A3 board supports QSPI or OCTOSPI?If it supports , please give the det...

JJoy.1 · 2021-12-01

Hi DCajigal,PFA my code with SD card working in STM32H7A3.Thanks,Jestina

JJoy.1 · 2021-08-03

OK Thank you.

JJoy.1 · 2021-08-03

I need the complete data all in once.

JJoy.1 · 2021-08-03

Hi,Thanks for the answer.#define BUFFER_SIZE 5601949unsigned char buffer[BUFFER_SIZE]; fresult = f_read (&fil, buffer, f_size(&fil), &br);My file is of size 5601949. When i compiled the code, I am getting an error like "region `RAM' overflowed by 549...

JJoy.1 · 2021-07-26

Hi @devtty ,Thanks for your update. I double checked the connections and could not find anything wrong. I am using a 6 pin SD card break out board and its wired using jumper wires.Jestina

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Hi, Want to know if a STM32H7A3Z1-Q can configure as USB OTG Host ? We tired the configuration as per online tutorials and the device is not entering into HOST_USER_CLASS_ACTIVE state.

I am using STM32H7A3 board and integrated an SD card using SPI. I am trying to transfer a large file and found that in first card if the number of sector to read is coming as 64, read works upto sector 36.

I am using STM32H7 board and integrated an SD card using SPI and able to mount it in "/". I am storing a file inside the SD card.

I am using STM32H7A3 board. I am trying to integrate SD Card using SPI. I am getting FR_DISK_ERR when I try to do f_mount. Attached source code.

Hi, I am using STM32H7A3 board. I need to store a large file. My requirement is to connect an external Flash to STM32 board. When i checked the documents i found QSPI support external flash memory.

Re: I am using STM32H7A3 board. I am trying to integrate SD Card using SPI. I am getting FR_DISK_ERR when I try to do f_mount. Attached source code.

Re: I am using STM32H7 board and integrated an SD card using SPI and able to mount it in "/". I am storing a file inside the SD card.

Re: I am using STM32H7 board and integrated an SD card using SPI and able to mount it in "/". I am storing a file inside the SD card.

Re: I am using STM32H7 board and integrated an SD card using SPI and able to mount it in "/". I am storing a file inside the SD card.

Re: I am using STM32H7A3 board. I am trying to integrate SD Card using SPI. I am getting FR_DISK_ERR when I try to do f_mount. Attached source code.