About JKhal

JKhal · 2020-06-18

Hi all,My application requires to sample a sensor and send the samples out in real time, without saving the samples.I am required to run a low pass filter on the samples, but here is the problem cause if I want to do it on 20 samples for example then...

JKhal · 2020-05-27

Hi,I have two STM32H743II MCUs, one of them is USB device and the other one is the USB host, did it sing the cube.then added to the host code the USBH_CDC_ReceiveCallback function.and added the HAL_PWREx_EnableUSBVoltageDetector(); function after th...

JKhal · 2020-03-18

Hi,I have a weird issue !I am developing an application where i Use the M24C64-WDW6TP EEPROM.First I need to be sure, this eeprom have 8KB of memory, every page is 32B so it has 256 pages.is the page address = (page number - 1 )*page_size ?? for exam...

JKhal · 2020-02-17

Hi,I am developing an application running on STM32F469 MCU to control an LCDGenerating my Code using STM32CubeMX.Using FMC Memry type is LCD_Interface, A23 Data: 16 bitsThe bug I found is in the STemwin_wrapper.c file, in functions : FMC_BANK_WriteD...

JKhal · 2020-02-17

Hi,I am developing an application running on STM32H743II MCU and I need to use all the 1Mbyte RAM.I tried to define a RAM_region for every SRAMx, this didn't work properly and not managed to build the project successfully.Another issue is that some ...

JKhal · 2020-06-21

Hi,I managed to send messages from the USB host to the USB device.But yet can't send anything from the USB device to the USB host.when I need to do so I use the function uint8_t CDC_Transmit_HS(uint8_t* Buf, uint16_t Len).is that correct ?Please help...

JKhal · 2020-06-07

Hi,Thanks for your replyies.when I plug in the USB device to the USB host, the host detect it and the enters the case HOST_DEV_ATTACHED, after that the host tries to perform the function USBH_GetDescriptor again and again but the condition if(phost->...

JKhal · 2020-06-03

Hi,Thanks for your reply.when I plug in the USB device to the USB host, the host detect it and the enters the case HOST_DEV_ATTACHED, after that the host tries to perform the function USBH_GetDescriptor again and again but the condition if(phost->Re...

JKhal · 2020-03-18

Hi,I found the problem.I sent the address bytes switched with the LSB first, I fixed it and everything works fineThanks for you reply.BRJawad

JKhal · 2020-01-14

Hi,Thanks for your reply.Do you have an example code of using SPI registers for transmit and receive !?Best RegardsJawad Khaleel

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Low pass filter on ongoing samples.

USB Issue on H743II

last 3 bytes not written to eeprom page during page write

FMC and Code Generation Issue

Non-continuous memory RAM on STM32H743II

Re: USB Issue on H743II

Re: USB Issue on H743II

Re: USB Issue on H743II

Re: last 3 bytes not written to eeprom page during page write

Re: SPI too slow