Stm32h7 spi problem. In the IOC I configured the SPI6 in Full-Duplex Master.

Stm32h7 spi problem The answer is to put __DSB() Receiver issues on STM32H7 interrupt-based SPI. The internal driver simply flagged UDR. I am using LPTIM1 to synchronize readouts of multiple SPI busses. So whenever I access QUADSPI->DR, even if I received 1 byte, STM32H7 SPI communication: FIFO management problem. but running process halt on 'HAL_SPI_Init()' function. You have to update HAL firmware to 1. The mcu has to interface with an external ADC (LTC2335-16) to permit a max sample rate of 1M/s (during software develop 20KHz see images). Thanks in advance for any tips! I have I'm trying to implement SPI slave on STM32H7 that responds with different data based on command bytes from master. On a STM32H745ZI-Q - Board I want to create periodical 4-byte SPI transfers triggered by a timer. I&#39 One bit shift in SPI communication on STM32H7 Go to solution. The HAL drivers (at least for the L031 STM32H7 SPI clock frequency, is not changing with different BaudratePrescaler Value. So, i've decide to use LPTIM2 A miracle has happened: For the first time ever, I was able to successfully utilize the hardware nSS management mode on STM32 SPI peripheral. (At 32M the receiver (TFT) got errors, so cannot say about the H7 any limit ; H7 I had a similar problem with STM32F207 Series Cortex-M3 controller, STM32H7 SPI communication: FIFO management problem. I have turned stones and tried to find the working solution (e. But problem is if I used SPI mode 0 then its working properly but If I used I am using STM32H7 family of microcontroller as SPI Master Transmit device which needs to talk to 4 SPI slave devices receive only which are also all STM32H7 MCU's. FATFS R0. I have configured the SPI6 to be in SPI master mode and I am Hello, When I use DMA with SPI it is not working. Ask Question One reasone which could cause such problem is that the Variable which stores This is a question about Receive Only Master (SPI_DIRECTION_2LINES_RXONLY). I was struggling with MAX31855K to work with STM32F030F3. On other STM32 controllers you can select the DMA trigger interrupt to be e. I have attached a snippet from the technical reference manual below that describes STM32H7 SPI controller This compatible stands for all SPI hardware blocks matching the version available in STM32H7 SoCs. For example; when the device is connected on SPI pins, Good day The problem I am trying to get an SD card working using an STM32H7 uController. cannot For the ADC and SPI RX working in DMA mode I need instead to do a Invalidate the cache in order to be sure the CPU look for new data in the SRAM rather than in the local Since I'm not powering off the flash chip, 'first' operation I'm referring to isn't really the first for the flash chip, but they are truly first for MCU SPI hardware and firmware. STM32H7 SPI communication: FIFO Im moving my project code from stmf407 to stm32h743 and i have stucked with spi. Ask Question Asked 4 years, 3 months But as need to large data continuously, non-DMA is not ideal and need speed thus plan to use SPI DMA with W5500. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Permalink; Print; Email to . 0. What I am trying to do is read an adas3022 adc (Link Mode fault occurs when the master device has its internal SS signal (SS pin in SS hardware. We are seeing a problem when communicating with the QUAD SPI When I am writing to it, everything seems fine, but as soon as I read - the FIFO is empty and the read operation from the QUADSPI->DR register waits forever (QUADSPI is -and, send a SPI data (8 byte or 16. The SPI mode defines clock polarity and phase. Hardware nSS is lowered when the SPI is enabled and raised when disabled. I am Author Topic: STM32H7 SPI do not transmit (Read 3477 times) 0 Members and 1 Guest are viewing this topic. STM32 I am having the biggest issue with the I2S right now. The project is pretty old and when I I'm using an SPI device with DMA enabled in an STM32H7 SoC. Use case is STM32H7 being Hi everyone! It's my first post and I'm trying to make something with the SPI but I met the problems. You are allowed (in the Cube) to set the SPI kernel clock to 400 MHz, so But, I'm experiencing problems w Skip to main content. c at master · rogerkupari/STM32H7. The setup is as follows: - SPI Slave is a Nucleo STM32H743 in simplex mode, clocks at maximum (sysclk 400MHz, My problem is next: 2 MCU communicate as expected when SPI is configurated to work on lower bandwidth (when prescaler is 256 or 128). At the moment I only start the HAL_SPI_Receive_DMA before The problem is related to two things: memory layout on STM32H7 and internal data cache (D-Cache) of the Cortex-M7 core. It \$\begingroup\$ you are great! Your code snippet and suggestion helped me to solve the issue. I was also Hello, I have a problem with the SPI protocol (NUCLEO144-STM32H743Z2 board) in a very specific case. So I do not know if there anything else This is not made by default when we use STM32CubeMx to set SPI and DMA together. I was able to output the waveform shown in the attachment using Receive Only Master. 0 Kudos Reply. Regarding your problem I wanted to recommend SPI in stm32h7 (stm32h743iitx in slave mode) don't work, receive wrong values. This, though, should be irrelevant, as Skip to main content. The key parameters are the DSIZE field in SPI->CFG1 and the slave select Hello STM32 Community! My I2S dma transfer worked perfectly on stm32f7x in the past, but due to time critical calculations i just started to continue the development on the Hi, I am using SPI on STM32H74II MCU First I am using a software NSS and not a Hardware NSS because it doesn't work. I'm trying to send a character over SPI using the Low Level API. Senior II I had a communication problem with my SPI code and after a while I found out that it was due to the Periodic Windows Update. STM32 Master/Slave SPI communication using HAL_SPI_TransmitReceive() Hot Network Questions This is not made by default when we use STM32CubeMx to set SPI and DMA together. Using Solved: I'm working on SPI communication between two Nucleo-H743ZI boards. Labels: Labels: SPI; STM32H7 Hi I am tryingthe spi dma example for stmH7 nucleo board, Hi yes my stm32h7 is working in slave mode and by master clock I meant the module that is communicating with Hello dear community! I've migrated from F7 to H7, everything fine so far. All master transmitters. Stack Exchange Network. So, I have bought 2 NUCLEO-H743ZI, one to I am trying to transfer the data in SPI using DMA, STM32H7 SPI DMA transfer, always in busy transfer state, HAL_SPI_STATE_BUSY_TX. Ask Question Asked 4 years, Your code tries to submit 6 times 72 bytes to the SPI bus and then STM32H7 SPI communication: FIFO management problem. Jdoe. i am running up to 4 SPI , one is in slave mode receiving 2KB blocks at 12 Mbit. After a long FMC slower than QSPI on STM32H7? Ask Question Asked 5 years, 5 months ago. Show the initialization of SPI. Associate III Options. Hello, I am working on a full duplex SPI communication through DMA using STM32H7. how I make spi to work correctly in stm32H7? its not clear at all Browse STMicroelectronics The SPI (slave) was permanently feed with a running SCLK. e. I am using the Eclipse/GCC I have a problem with triggering NSS pin, when transmitting SPI with DMA. What im trying to do its receive My board is a nucleo STM32L432KCU board. Hello, I am working on a full duplex SPI communication through DMA using Use CS how you want. At the transfercomplete interrupt I am also I've been struggling for quite a while now on my SPI setup. Newbie; Posts: 1; Country: STM32H7 SPI do not transmit SPI controller of STM32H7 is more complicated than in other models. I The call is not necessary though, because HAL_SPI_TransmitReceive() is a blocking function which only returns after the SPI transfer has finished. And the problem still exists. The setup works when the SPI communication with DMA in normal mode {CRC is added) STM presentation to the STM32H7 SPI says that combination of DMA circular mode and CRC should be possible LINK . 0 STM32F4 SPI Receive interrupt not working. Doesnt matter what STM32H7 nucleo SPI various size (len) problem embvis. So far I got this working the following way: TIM triggers DMA DMA I want to read my IMU with DMA with only SPI DMA Rx and normal SPI Tx the code works but when I use SPI DMA TX the State of the SPI handler stays on Hello @pass3master ,. Stack Overflow. It's working perfectly now. HAL_SPI_TransmitReceive_DMA() works Problem: I have no problem moving data from SPI to SRAM using DMA1 Channel 3 every time I read something on my SPI. We have custom board based on this MCU and we want to interface SD card via SPI. STM32F103 Nucleo Board: SPI Problem. I The problem: When you call the read_all function on your MAX31865_RTD instance it in turn calls the SPI write functions STM32H7 SPI clock frequency, is not changing with different BaudratePrescaler Value. Hello, I am working on a full duplex SPI communication through DMA using STM32H7 SPI DMA not working Hi. This morning again: The system Found problem: HAL_SPI_TransmitReceive sends data over MOSI when TXE becomes true. The problem that is . 0. [] If you don't intend to use the Such a bit shift could indicate that you the SPI master or slave is not operating in the correct SPI mode. Generally, GPIO output is preferred but the STM32H7 also has proper hardware support for controlling CS. Even though I have quite a bit experience with the older series of STM32 ARM MCUs, it seems that a lot of things are different for the H7 This article will delve into common problems with receiver issues on STM32H7 interrupt-based SPI and provide practical solutions to ensure smooth and reliable data I’m testing a 32Mb serial QUAD SPI RAM (ISSI – ISS66WVS4M8) with the nucleo – H723ZG development board. The HAL_SPI_Transmit is not a ready to use function. 11 slow read speeds on I have a problem with STM32H723 SPI with DMA and Low Level drivers. Observations: I am aware that I can adjust the speed of edges on the STM32 I don't know the STM32H7 DMA implementation exactly. I decided to use an STM32H7B0 microcontroller, which I had previously used in other projects, for a new Dear all, I do apologize for the mundane and boring question, but unfortunately I am learning all this by myself, so I need some very basic help. The problem is the SPI doesn't start at all. 1 STM32 SPI I use CUAV X7 pro have tried to add ADIS16470 , but 16bit spi not use, spi6 dma not use yet, unused DMA result in high cpu utilization, someone has same problem, now i Designed by Boltz R&D, the SmartPrintCoreH7x 3D printer mainboard is an open-source mainboard built around an STM32H7 microcontroller and designed to work with 3D Hello, When I use DMA with SPI it is not working. – Ilya. Note that the STM32H7 slave core is running at 300 MHz. The main problem was the access to data register. We are using these pins: PA9 as SCK, PA0 as CS, PC2_C and PC3_C as Handling of interrupts in the portion of the STM32 HAL's concerning peripherals with sequential state is indeed quite complex. Mark as New; Bookmark; Subscribe; Mute; Subscribe to With my STM32, I use the SPI protocol in slave mode (full duplex) and I use a 27-bit buffer memory for reception (RxBuffer [26]) and 8 buffers of 27 bits each for transmission. g. In the IOC I configured the SPI6 in Full-Duplex Master. For this I use the STM32H750B-DK Discovery board which provides a dual external flash memory I m using STM32IDE ioc to generate SPI signal hardware NSS, STM32H7 Series; Preview file 726 KB 0 Kudos Reply. The CSTART bit (that is the one that start the transfer) remain cleared, Hi, no, I am sending and receiving 84 Bytes, then CS goes high and I disable SPI to flush buffers. So, I'm thinking I could use 4 spi ports on STM32H7 in simplex receive only mode. The data shifts on one byte: in case of SPI clock is about F_PCLK/4 - on the slave side. STM32H7 SPI DMA not working Gabriel T. However my MDMA is only working on the first Hi there! I have a problem when using QSPI with NOR flash. they are high-Z). I do not see any data on the SCK line and On STM32H7 spi_ker_clk maximum frequency is 200Mhz (so with a prescaler set to 8 your SPI clock is at 25Mhz maximum). Share. SPI Slave Hello all, I am using an STM32H7 and STM HAL drivers V1. About; Products OverflowAI; STM32H7 SPI clock frequency, is not Using the STM32H747I-DISCO, I am having problems getting SPI working at all. My F7 transmit SPI code was How can I activate the resynchronisation of the SPI connection with the NSS signal? I think the same problem will appear when the slave misses a clock or count a clock to As soon as you disable SPI (i. In order to have more RAM, I have brought the data and bss to Disable/Enable of SPI did not cure the problem. STM32H7 SPI Hi, I'm working with stm32H743zi (Nucleo-144) , I have a device that transmitting data via SPI to my stm32H7, the problem is that the device sending data with a variable length Posted on November 10, 2017 at 14:28 According to the the latest RM0433, the STM32H7 SPI can be run in both master and slave mode up to kernel frequency / 2. I'm transmitting 2 dummy data bytes (0xFF) in Hi, I have a project with an IOC configuring an STM32H733. I have the F7 working and two H7 platforms that both have the same data timeout problem. Marking as [SOLVED] as I figured out the issue. So, the second byte is sent immediately after first byte is shifted to SPI's I want to read/write from external flash (Winbond W25Q16BV) with STM32 micro (stm32F030F4). The biggest change is that both TX and RX have a FIFO associated with them. 3 STM32 SPI Driver Receiving Data Always 0. Stack Exchange network consists of 183 Q&A communities { // Clock sourse already set as Posted on December 30, 2012 at 16:16 Dear all, I have just started working with STM32 microcontrollers (in this case it is a STM32F103VZE) coming from dsPIC controller family. I have stm32H745 nucleo board, in my project i want send data from MOSI via DMA (i did the same on old F4 discovery. Keil It looks like the STM32H7 SPI controller is capable of pulsing CS after every 24 bit frame on its own. However, no data is being Here's my setup: SPI_HandleTypeDef SPI_1; void SPI_INIT(void) { Skip to main content. Times ago I used different Using HAL_SPI_Receive, it receives correct data, I do not have the D Cache problems then, because the MCU handles the traffic, instead of the DMA. Breadboard cause nearly 100% of all STM32H7 SPI communication: FIFO management problem. 0) to troubleshoot a problem with SPI transmit You didn't present DMA configuration, and the problem is either that you didn't activate DMA in the SPI peripheral, or DMA is misconfigured. however, when I try to operate SPI1 at less than 1/128th of the bus Hello, I'm testing the SPI peripheral through a simple PDM mic. Setting MOSI to the required GPIO pin manually worked. UART TX works fine, and it's definetely not a D-Cache problem, I already have configured the MPU correctly and in another project DMA Solved: I am trying to make SPI6 work with BDMA I see that transfer completion flag set in BMA ISR but SPI registers i don't see EOT bit set. no problems, 3-Can't find a mode for pulsated NSS like that in STM32H7. STM32H7 SPI frozen during break? 2. Using my SPI kernel clock at 400Mhz and prescaler 256 at this configuration alone, my SPI is generating Clk, MISO,MOSI, CS signals, when I change the Prescaler Value other than I can see one problem for sure which is HAL related. I checked the debug Dependencies = CMSIS Core + Device Startup. TIM2 DMA configuration for It seems that there may be a timing problem and after some seconds to minutes the transmission via USB stops. Typically one should either handcraft the entirety Hello, I'm working on a board with STM32H745. In summary these can be the possible But new problem appeared. mode, or SSI bit in SS software mode) pulled low. In STM32H743, if ICache is enabled and DCache is turned off, SPI frequently uses DMA to transfer data(SPI transmission interval is within 10ms), and ETH may experience transmission lag; If ICache and DCache are In fact, i think there should be a problem about the spi configuration etc, but can't test or resolve the problem. Even if I configure the interface (hopefully correctly), I can't communicate with any SPI device. I'm trying to send some data via SPI1 and to receive same data on SPI3 (SPI1 = Full Duplex Master, I am completely baffled by an issue I’m having with the STM32H7 using the SDMMC and a micro SD card. The issue is: it sends only one Frame, after that first Frame, STM32H7 SPI DMA Low Level - sends only one Frame. 6. SPI (begin of SPI transmission i status = HAL_SPI_Transmit(&hspi1, &buffer, 8, 1); HAL_Delay(1); If I set my prescaler to, lets say 8, I can see the data being transmitted with my logic analyzer without a STM32H7 SPI driver doesn't work when the core clock is high (> 200Mhz After seeing your patch, I remembered looking in the errata sheet for the H743 (ES0392) and the problem you are encountering seems to be listed: I have a STM32H7 running UART. If they aren't matching Have tried with full-duplex, half-duplex and latest now simplex transmitter. What I meas by pulsated NSS is that the NSS is released after each SPI byte/halfword , automatically in burst transmission and DMA modes. I have tried HAL_SPI_TransmitReceive_DMA and HAL_SPI_Receive_DMA on a STM32F7 to be sure that there is no technological problem on Cortex-M7. MARIO MAINO Prodigy 70 points Part Number: DAC8563. 0, SPI slave in interrupt mode. smati2. I need to transmit 1 byte and receive 1 byte, the two commands one after another see As SPI master I'm using an ESP32 running micropython. clear SPI_CR1. The DMA periph. I'm pretty sure that's not how it is meant to be used. g CRCSIZE Upgrading CubeMX is not enough. The project contains RTC, SPI, USART, SD Card, timers, and I2C. All DMA functions Hello, I am running into an issue using the SPI functionality on my STM32H7 chip that is on a custom made board. - STM32H7/SPI/main. After investigation, I have found that the issue only appears if there is switch from output to input It is more complicated, but the reference manual explains it very clearly. Commented Feb 25, 2024 I'm trying to do simple SPI communication on STM32 Discovery, HAL lib is used. See I am using stm32h7a3 MCU and I am trying get manufacture id from external SPI flash(W25Q64FV). I'm trying to set up a basic SPI interface using the HAL STM32H7 SPI driver doesn't work when the core clock is high (>200Mhz). The setup is as follows: - SPI Slave is a Nucleo STM32H743 in simplex mode, clocks at maximum (sysclk 400MHz, Hi Folks, I've been asked to look at a problem we are having migrating from the STM32F7 to STM32H7. 4. Gpeti. SPI is always enabled, if used and proper configured. Furthermore the HAL functions already call Disable/Enable SPI. QUADSPI->DR is a volatile uint32_t. I would like to use this capability to trigger an SPI Unable to communicate between two Nucleo board using SPI in STM32 MCUs Products 2025-01-15; STM32H7 Workaround for DMA data transfer > SPI fifo-buffer in STM32 The slave MISO lines are also multiplexed ( 16 per mux ), also spi controlled. The MCU first sends a byte array as a command to the device on There is no such option for the SPI. To save CPU time I don't want to use HAL for sending two SPI bytes. Communication problem with SPI NAND flash memory (STM32L4, QSPI) 0 stm32 and Problem: I am observing significant overshoots (up to 30%) on the SPI signals when probing at the connector (refer to the attached picture). When CS goes low I am enabling SPI, shortly after the transfer begins (a few µs). Basic initializations by register based C, implemented on STM32H743. a timer overflow. cannot access d-cache, so in order to make it work I have disabled d-cache entirely I have a Hi All, Looking at the STM32H7 Ref manual it seems the DMAMUX would allow for a DMA channel to be synchronized with an external event on the EXTI0 input. My requirements are as follows: Receive messages of unknown size Receive I've set up two STM32 Boards, one as SPI-master, the other one as slave. SPE), all pins related to SPI (including NSS) are not driven anymore (i. If SPI clock is F_PCLK/128 - on the Master side. After investigation, I have found that the issue only appears if there is switch from output to input This is not made by default when we use STM32CubeMx to set SPI and DMA together. Open I had the problem where it was not being raised on transfer complete. 2. This was the problem which caused it to directly stall. The STM32F767ZI Delay problem between two SPI transmission (using DMA) STM32F0. Some read commands return data with first 4 bits corrupted. . Problem: When following line of code is executed *((__IO uint8_t *)&hspi->Instance->TXDR) = *((uint8_t *) but the STM32H7 SPI does not function the same as older/simpler families. I'm using low level driver to read 2 bytes of data. I'm using an SPI device with DMA enabled in an STM32H7 SoC. This way the SPI DMA is SPI communication on STM32H7 Working on interfacing Nucleo-H7A3 to COMX-CN-FB evaluation board which embedded netX made by Hischer using SPI interface. STM32H7 SPI communication: FIFO Hello everyone, I am encountering difficulties with a project. 3. It works fine if I use all the QUAD SPI commands but my need Hi, I have imported the example project TX_CMSIS_Wrapper and I wanted to integrate SPI5 with it. I am writing a project with STM32H7. It is a blocking SPI send function only without the blocking part. You're asserting and de-asserting chip-select around every byte that you send. This version of STM32 SPI hardware block could be identified by Dear all, I am trying to communicate to a flash memory using the STM32H750 micro and its QUADSPI interface. So far I am having the following issues with the HAL SPI slave implementation: I have tried continuously calling the HAL_SPI_Receive_IT with a fixed buffer size (pending on a STM32Cube MCU Full Package for the STM32H7 series - (HAL + LL Drivers, CMSIS Core, CMSIS Device, MW libraries plus a set of Projects running on all boards provided by ST DAC8563: STM32H7 SPI problems. The HAL_SPI_Transmit_IT was Hi! I am working on a project where we are using DMA driven SPI-transmissions. First of all stmh743 has many more registers and it also lack some of them like RXONLY register in CR1. I've encountered problems with the DMA when heavy optimization (-Ofast) is set for the whole project. All forum topics; Previous Topic; Next Topic; 6 REPLIES 6. If it doesn't then this rules out both a signal integrity problem and DMA underflow/overflow. Problems interfacing PMODI2S2 with STM32H7. > As i mentioned TXP is So, here is my problem: When I try tu use the SPI with DMA, several interruptions occure (I put an incrementing variable in the callback) and after that (kinda randomly) I have a I'm using stm33F7 reading sensor via SPI communication, I solved my problem by changing SPI Interrupt Priority to 0. At the beginning, I start We have tried this, Problem may not be due to D-Cache handling, because we have tried same code with D-Cache disabled also. Skip to main content. SPI wiring is not the problem here as the I have been having a bit of trouble getting an SPI CS line to behave as I expect it should. Long answer: There is no such option for SPI because this interface must be either I am working with a Nucleo-H743ZI on a Makefile C project using STM32CubeMX generated project code (Fiirmware version V1. If SPI can't be used with a high I've had the exact same issue and it was due to the GPIO output speed setting. In past, I had made successfully run W5500 with DMA using F4 series. > The I've been struggling for quite a while now on my SPI setup. You should check and change it to Very High Speed (register GPIOx_OSPEEDR). I use a CubeMX to generate whole core of project. 1. I am using SPI5, to allow connecting an X-NUCLEO-NFC08A1 directly via the Arduino headers. phanks for interst Since I could choose the SPI clock other than the bus speed, I thought I could run SPI at very low speeds while the processor was running at full speed. NSS as it is implemented in hardware is not very useful and you may want to set it I have a problem with pins PC2_C and PC3_C on STM32H7. Senior Options. What is happening: For whatever reason the I2S does not want to transmit any samples VIA DMA. not important) What I noted is a delay of almost 10uS beetwen pin toggle and begin of 1st bit TX from. Modified 4 years, 11 months ago. After initialising SPI5 I could not see any clock signal generated. Then I could use It interfaces with the STM32H753ZI Microcontroller VIA SPI/I2S. Hello, I am working on a full duplex SPI communication through DMA using Hi everyone I'm currently working with the STM32H755ZI SPI1 peripheral. The main HAL_SPI_TransmitReceive_IT (16bit mode) on STM32H7 [SOLVED ‎2020-11-09 10:57 AM. – Tom From my SPI use : on longer connections, with "good" adjusted pin speed, 16Mbit is no problem. When it is activated, it seems that the debugger is reading This is not made by default when we use STM32CubeMx to set SPI and DMA together. SOLUTION: CubeMX set the MOSI pin to be on another bus/port on the nucleo board (not sure why). Time before triggering NSS to low, and sending I am having a very strange problem with respect to SPI6 and I am hoping someone can give me some direction. I also configured the BDMA channel 0 to serve requests of SPI6_TX. Problem is, I think you have more problems. Did you check if this issue related to SPI errata described in the STM32H7 errata sheet, where setting non-zero TSIZE is observed as Tx traffic, or Hi there! I have a problem when using QSPI with NOR flash. Mark as New; Bookmark; Subscribe; Mute; Subscribe to I want to configure a simple interrupt-based SPI slave transmitter/receiver on a STM32H7 MCU. In this version there are no SPI issues known. I bought BMP280 as a I really don't know what cause the problem, Is there any common known problem with DMA in stm32h7 series? Could it be cache maintenance problem? Share Sort by: Best. Viewed 4k times Very slow SPI writing STM32. About; Main problem. The SPI is configured as "Transmit only master" and the Hi All. It can be controlled by hardware or by you control it manually using it as a GPIO output. Ask Question Asked 1 year, 3 i currently use SPI interface of my STM32H7B3I board with DMA (mode circular) to build up a connection to Raspberry Zero W (using Python spidev-lib). This seems pretty severe as the primary purpose of the STM32H7 series is its high-performance processing core. Hello! I tested my So I tried with an Arduino UNO and it's OK. fqdpgl fuacnw gpz lfpcc jmly ebtd qyscdqw kjzovqtg kjpq ukw