Stm32 hal uart transmit example. STM32 HAL_UART_Transmit_IT never returns.
Stm32 hal uart transmit example The RX thread would lock the handle and then the TX thread would try to lock as well and return HAL_BUSY. potentiometer, servo motor, servo angle - all these "things" seem either unrelated to the question, or the relevant information about them is missing. Stian Why is an interrupt for writing required? I test the code using HAL_UART_Transmit() which doesn't use interrupt and it works perfectly fine based on answer from wk_sg. First: As has been described in answers to your previous question null timeout just exclude wait for flag state. HAL_UART_Receive_IT is a driver function, not an interrupt handler. Based on LL I am new to the hal libraries (but not stm32 devices) and struggle to see howHAL_UART_Transmit_IT is expected to be used for something simple like printf over uart. In the filemain. This call returns immediately, likely well before your data gets fully trasmitted. * huart UART handle. The receiver has to interpret them as a float again. Skip to content. The problem is that I cannot call the same function from CM7 because obviously the handle huart5 Okay i added the int main block where everything is initially initialised. STM32 SPI Transmit & Receive Modes DMA) UART: STM32-PC USB-TTL UART: DMA (Rx/Tx) UART: Receive Unknown Length Data UART: Half-Duplex (Single Wire) UART: 1-Wire Protocol + DS18B20 STM32 SPI Tutorial SPI: RX/TX (Poll, Interrupt, DMA) STM32 I2C Also I am trying to check UART_Hyperterminal_IT example provided with HAL. Second: It's not true method to send/receive one byte from a huge HAL's functions and their callbacks. I’m new to FreeRTOS. 1. c = 0; How can I do : HAL_UART_Transmit(&huart1, c, 100, 1000); and I will get 0 on my serial port Enable DMA RX channel for each UART; Set DMA RX channel mode to Circular for each UART; Enable DMA TX channel for each UART; Generate code; Add UART_Init() for each uart (after HAL initialization functions, before main loop) Use UART_ComSelect() to select uart; Use UART_Read() / UART_Write() Hope this lib will solve all your UART problems. The PC sends 'r' to the arduino to indicate a request. this code makes ESP publish whatever is in the command (CMD2) to the broker that I'm using, but the problem occurs when the command (CMD2) contains 0x00 (NULL), so the ESP does not publish anything to the broker. Improve this answer. This is not the case. STM32 UART transmission problem (blocking and interrupt mode) 1. Using the STM32 UART DMA mode is a significantly more efficient way of transmitting/receiving data over UART while keeping the CPU not loaded most In this lesson we'll set up the UART, then use printf() to print our hello world over serial. So no more Posted on September 28, 2015 at 22:58. STM32 SPI Example Code Using HAL CubeMX. I'm learning about the STM32. To send data in half-duplex mode with STM32 UART, you need first to enable TX using the HAL_HalfDuplex_EnableTransmitter function. If you want to send the str you should calculate its correct length before sending as well. The function is "non blocking" because when you call it it will do some configuration of the interrupts and then return. STM32 UART DMA RX/TX. This is not the case if I use a bigger buffer but I want to make sure I receive a byte, treat it and send it through UART ASAP, maybe there is a way to receive next byte at the same time I am treating the current byte ? What I did: I am using HAL_UART_Receive_IT and HAL_UART_Transmit_IT based on examples I found in the F4 firmware. Pic Microcontroller; In this tutorial, we will show you how to use STM32 Blue Pill UART with DMA to transmit and receive data through direct memory access without requiring to The handle UART_HandleTypeDef huart5 is automatically placed in main() of CM4. We will use STM32CubeIDE to create a project where we will use UART interrupt of STM32 Nucleo to receive data on the Rx pin via interrupt and we will send serial data through a serial terminal by using a USB-TTL converter. We can get some help from STM FAQ. I dump internal information to a UART so I can see what is going wrong. There is no need to elaborate on how important UARTs are in embedded systems, so We will begin with a simple program that will read bytes via UART and echo them back in groups of 4. At a high level, this tutorial shows how to control the HAL GPIOs and Timers from C++. But I am getting a problem which I am not able to understand: I am using HAL_UART_Transmit_IT to send the data. And I want to send data in non blocking mode means on interrupt mode not in polling mode. Guys, How can I transmit a variable value using HAL_UART_Transmit ? for example I have . There is no way to send a string that is changing its length runtime, I have tried with various declarations, inside and ou First of all you need to understand how the HAL_UART_Transmit_IT is meant to be used. We can use any UART module for serial data transmission. I have enabled __HAL_UART_ENABLE_IT(&huart3,UART_IT_TC);. Hello, i've followed many tutorial to try to get UART with interrupt working on my stm32l476rg (nucleo board) : at the main. STM32 MCUs. I'm want receive data by UART byte-to-byte with interruption. 1k次。前言:今天我们学习STM32CubeMX串口的操作,以及HAL库串口的配置,我们会详细的讲解各个模块的使用和具体功能,并且基于HAL库实现Printf函数功能重定向,UART中断接收,本系列教程将HAL库与STM32CubeMX结合在一起讲解,使您可以更快速的学会各个模块的使用 Many of the examples are inspired by the book (Mastering STM32 by Carmine Noviello) I've tried to make them more useful for real products or projects. If the character is invalid the buffer is cleared. This is the blocking function for sending data via UART. (&ADCValue) returns the address of ADCValue which is an uint32_t* so it should be casted to uint8_t* when passing to HAL_UART_Transmit. In the file stm32f7xx_hal_uart. the radio uses SPI communication to initialize. HAL_UART_Transmit_IT and HAL_UART_Receive_IT don't lock the handle for the duration of the transmit/receive. And treat them as raw bytes without any specific meaning. Some of them are (with link to Dear all, I am working on STM32F413 microcontroller. Menu. Which Most of STM32 series have U(S)ARTs with IDLE line detection. 4. We will show how to use direct mode, interrupt-based mode and DMA-controlled mode and will use a logic analyzer "The advantage is that you do not have to wait for the whole transmit to complete before copying the next chunk of data into the buffer, but you can already start loading it while the transmit is still in progress. Can anyone help me out in this? Thanks I think you're confusing HAL_UART_Receive_IT with a function which actually receives anything. You need to elaborate about the potadc variable, as I mentioned in the comment above. (This code is just a throw-away example to learn about the serial port. However there is NO DMA option when setting up the UART for the STM32MP157. In which, the statement HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xFFFF) means transmitting a character via serial port 1. Am using HAL library but the reception interrupt only fires once. Introduction to the UART I/F on B-L475E-IOT01A (IoT Node) 22min Quick view The B-L475E-IOT01A Discovery kit for IoT node allows the users to develop applications with direct connection to cloud servers. FAQs Sign In. Using the STM32 UART IDLE Line Detection hardware feature is one way to achieve the task of receiving unknown length data over UART with Hello, There is an example to use printf with usart. Also Can you provide There should be examples of this for STM32 around. #stm32 #learn-c #learn-c #cubemx #!stm32 #uart #hal Also Cube does not generate calls like this HAL_UART_Transmit(&huart1,Test,sizeof(Test),10); Never use it with speeds higher than 38400 on Uno/Nano boards for example. Is there any bug with this HAL lib code. I have the RX part of the UART workin STM32 UART Complete Guidance: UART involves only a few essential steps for data transmission between a PC and UART-enabled devices. tx_data: Con trỏ dữ liệu truyền. In this tutorial, we will be creating a structure of randomly generated values and transmit that via the UART port of the STM32. STM32 Nucleo UART Communication Tutorial with CubeIDE and HAL Libraries; STM32 Nucleo UART Interrupt with STM32CubeIDE and HAL Libraries; STM32 Nucleo UART Ports. Using HAL_UART_Receive_IT (not recommended) A nearby approach without touching HAL code itself is, to call HAL_UART_Receive_IT(&huart3, &rxbuf, 1) once after initalization and at the end of the RxCpltCallback, to retrigger the reception, but this leads to some undesired lock (possibly a HAL-Bug), when transmitting data using HAL_StatusTypeDef Posted on April 10, 2018 at 13:14. 0. Here is my code: 文章浏览阅读10w+次,点赞2. We will use STM32Cube IDE to program our STM32 board. ch is the address for storing the character, 0xFFFF is the timeout period. Hello everyone, I'm working on stm32f103. Data transfer In this tutorial, we’ll be discussing the USART / UART hardware in STM32 microcontrollers. " - is this why I'm trying to send a variable length string via UART, using HAL function. * pData Pointer to data buffer (u8 or u16 data elements). It involves a shared baud rate between the transmitter and receiver. The sequence of events is as follows: HAL_UART_Transmit_IT stores a pointer and length of the data buffer you provide. Nucleo STM32 consists of three UART modules: UART1, UART2, and UART3. STM32F4 UART Rx Interrupt Example Code. So, first off, you need to set up your project. If a CR is received the command is processed and data is transmitted back to Putty using the HAL_UART_Transmit_IT procedure. The first half of the transmit buffer is loaded with new data by the CPU in the Transmit Half Complete interrupt callback while the second half of the buffer is being transmitted by the DMA in the background. I created a circular buffer, on which I can write my strings. the issue is my circular DMA write it as as loop instead as finishing at the end of the string. I managed to setup a very rudimentary program for an STM32F103 (blue pill) under STM32CubeIDE. Nucleo-F103RB UART Pins. sizeof(tx_data) :size truyền nhận. In Polling mode IO operation of UART module of STM32F4, HAL_UART_Transmit() is used to send an amount of data in blocking mode HAL_UART_Receive() is used to receive an amount of data in blocking mode. I can break on the code just prior to transmitting the message and the data is correct but when the HAL_UART_Transmit_IT is executed the data coming back is very corrupted. I need to transmit a code to an ESP which is connected to my STM32 via serial port. Am not sure which status flag that is set so that i could re-enable it or disable it to make it run another round. How STM32 examples for USART using DMA for efficient RX and TX transmission Application enables DMA & UART in transmitter mode. In this project, we cover UART via polling, interrupt HAL. The UART is operating STM32 HAL_UART_Transmit_IT never returns. USART. In the call to HAL_UART_Transmit you pass 8 as the size. c, before while(1) loop : I was trying USART using a STM32F407VGT6 and CubeMX. STM32 HAL USART receive by interrupt. Since timing conditions and real time responsitivity were becoming crucial I turned to be using FreeRTOS. So if I write "Hello" w In this tutorial, we’ll discuss how to use STM32 UART To Receive Unknown Length Data. Summary To understand how middleware like NetXDuo and LwIP use the STM32 HAL Ethernet driver, this article demonstrates a bare If you are not interested in following the step-by-step tutorial you can get the example on The initialization completes successfully, however when the HAL_UART_Transmit_IT() is executed on line 533 it always returns HAL_BUSY and it drops to timeout count down on line 569, that runs out, transmit is retried for 2 more times and then the whole app gives up saying communication timeout. . By the way here is an ADC example from this STM32 HAL ADC Tutorial. UART allows for asynchronous communication between two devices using two wires. If you ever got a receive interrupt while HAL_UART_Transmit() was active, the call to HAL_UART_Receive_IT() in the interrupt callback would fail (and return) because the uart is locked by HAL_UART_Transmit(). If IDLE line detection is not available, some of them have Receiver Timeout feature with programmable delay. We will also transmit the data over UART and receive it on a serial console in the computer. * @retval HAL status */ HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size) See also the User Manual for the HAL; eg, The UART can be enabled or disabled using the HAL_UART_Init() function. I'm trying to get UART transmit working over DMA on an stm32f405. c, you can find the function HAL_UART_Transmit. c, add application functions. These API’s are : HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t HAL_UART_Transmit_DMA(&huart3, (uint8_t*)dataArray, 4); NB: the last byte is always 0x08 whatever the value; i am using DAM1 stream3 mode normal data with byte for peripheral and memory. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Một số hàm liên quan đến UART: HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart): Chương trình ngắt. I From what I can see HAL_UART_Transmit would've worked with the F4 HAL (v1. I already can let microcontroller to receive value from PC. We will use STM32 CubeIDE to create a project where we will use UART interrupt of STM32 Blue Pill to receive data on the Rx pin via interrupt and we will send serial data through a serial terminal by using a USB-TTL converter. STM32 SPI HAL Functions APIs SPI Blocking Mode Function APIs. I will continue to build up on it with Universal Asynchronous Receiver-Transmitter or UART. Look to HAL_UART_Transmit_IT() and Note that I DO NOT use HAL_UART_Transmit_IT() for the debug UART - If you want to use HAL_UART_Transmit_IT (i. And we’ll get a closer look at the STM32 USART hardware module and its internal functionalities, modes of operation, options, and configurations. IDLE line detection (or Receiver Timeout) can trigger USART interrupt when receive line is For that reason the HAL_UART_Transmit can also only take uint8 or uint16 chunks. We're mostly using it for printf() so you don't have to worry about the details, but if you do, its prototype is: HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout); First argument is a pointer to an UART device handle. 2) if it weren't for __HAL_LOCK(huart). Meanwhile in the infinite function while(1) I can use Previously we started a blinky project on STM32F429-Discovery board with HAL and FreeRTOS. Acording your sent source file, you programmed the usart as "8 bits", but this STM HAL routine compute data_bits+parity_bit=8bits(your selection). And on the receiving size, you should of course read two bytes. Key features The Discovery kit enables a wide diversity of applications by exploiting low-power communication, multiway sensing and Arm ® Cortex ®-M4 core-based STM32 Blue Pill UART DMA tutorial with STM32CubeIDE and HAL libraries to transmit and receive data without CPU action. Projects and templates for the STM32Nucleo-F4 developing board - cnoviello/stm32-nucleof4 On STM32F0Discovery (STM32F051): /* USER CODE BEGIN WHILE */ while (1) { HAL_UART_Transmit(Browse STMicroelectronics Community. This requires four steps: Enabling the clocks for the UART and GPIO peripherals. So today I am writing this one here. this is the STM32 HAL UART supports 3 modes for transmitter (TX) / receiver (RX) Polling mode (no DMA, HAL_UART_Transmit_IT() / HAL_UART_Receive_IT() with parameters: section 11 basic UART example in the context of STM32CubeIDE/CubeMX; FAQ. This part of my application is designed to send out text strings as a command line interface. 2. I am just doing a basic polling implementation of HAL_UART_Receive() grabbing a single byte at a time. The UART can enter a fault state if there is a problem with the hardware or the software. In a normal M4 like the STM32F466RE the MX program does most of the setup for transmitting the UART with DMA when you configure. It sets state for the receive driver. 100 : Universal Asynchronous Reciever-Transmitter (UART): Unlike SPI which is a communication protocol, the UART is a physical circuit inside the STM32 microcontroller. Product forums. Other function is where we're setting huart6 ( my bluetooth pins) If you look carefully I added a comment and changed a value in there you will see the "ORIGINAL" comment in there and I have changed it, compiled tried both and still was able to get nothing. extern "C" void HAL_UART_RxCpltCallback(UART_HandleTypeDef *uartHandle) { if STM32 HAL_UART_Transmit_IT never returns. ) HAL_UART_Transmit is a blocking function, so, until it completes HAL_UART_Receive_IT is not called and the uart will surely go overflow. I try to use HAL_uart_transmit_DMA, in a circular buffer for simple logs. I've tried debugging it but i still cant figure out where to start from. Even if you do move that sprintf line into the while loop, it's not gonna change the fact that you will continue to get the same printout. I am using STM32H7, STM32Cubemx, and Atollic Truestudio. Commented May 19, 2016 at Hello, Is it possible to use uart with dma, so that on idle we also get informed, so that we can read the rx data ? I found no example in hal cube for using UART with DMA in such "real life" scenario, only in simple full buffer fill - which is not practical. If the UART is not enabled, it will not transmit data. In this tutorial, we will show you how to use STM32 Nucleo UART in interrupt mode to transmit and receive data. UART is a communication protocol that enables the user to send data asynchronously through transmit (Tx) and receive (Rx) lines. Unfortunately, HAL_UART_Receive only gets the first byte and transmits it. After the first loop, HAL_UART_Receive doesn't get any new data from the serial line. In this tutorial, we’ll discuss the STM32 UART Communication. I want my PC to receive float value from the microcontroller so as to plot graph based on the value. e. This tutorial shows how to use the STM32 UART interface in different modes using the HAL libraries. HAL_UART_Receive_IT(&huart1, buffer, length) Where &huart1 is my uart gate, buffer is the input storage and length is the amount of input bytes. In conclusion, we’ll take a look at the possible I am suing Uart HAL API to send a command to transmit data over UART which is char. STM32 MCUs Products; STM32 MCUs Boards and hardware tools; I am able to pass string over uart. i would like to transmit everything i send and receive from the SPI out to a UART terminal for debug. Your help is much appreciated. In Polling mode IO operation of UART module of STM32 Blue Pill, HAL_UART_Transmit() is used to send an amount of data in I have already written a tutorial about How to use UART in STM32 but it wasn’t a very good detailed tutorial. That's the size in bytes you want to send. Starting with an introduction to UART serial communication. Browse STMicroelectronics Community. If you have to send the 32 bit of a float you can pass each byte of the float and send them as single bytes. How To Send Data With STM32 UART Half-Duplex. USART receiving nonsense (STM32F0) 2. And your array only have two bytes (i. We’ll also implement a couple of STM32 UART In this tutorial, we’ll discuss the STM32 UART DMA Mode (Receive/Transmit). The code is generated and I can find the 'HAL_UART_Transmit' function but the pData parameter is a 8-bit pointer: HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t You should probably use clearer terminology. Follow answered May 19, 2016 at 7:33. interrupt generated on completion of Tx), you will need to write code that handles transmission of characters from a circular buffer Example. STM32Cube MCU Full Package for the STM32L4 series - (HAL + LL Drivers, CMSIS Core, CMSIS Device, MW libraries plus a set of Projects running on all boards provided by ST (Nucleo, Evaluation and Dis Using HAL_UART_Transmit() with no DMA works fine, but with DMA the transmit function runs once, no data is transferred, and the port stays busy forever. If you want to stick with the HAL library you need to pass a struct of type UART_HandleTypeDef as parameter to HAL_UART_Receive_IT which contains I've got a problem with sending data over UART using HAL_UART_Transmit_DMA function "being inside" HAL_UARTEx_RxEventCallback function more then one time (actually it doesn't matter what the transmission function I use - DMA, IT or just blocking mode, the transmission is executed just once). Share. In general you should do as little as possible in your interrupt routines (rx/tx callbacks), probably just setting a flag and checking that in your main loop. Hello i am using an STM32 as the host mcu for a SI4362 radio. Data Transmit function from master to slave: HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, STM32 Blue Pill UART Data Transmit Example. I'm using HAL driver for STM32103F in Keil IDE. I can see there is good data coming in on UART1 with a logic analyzer. This example receives 10 bytes of data however if I send 15 bytes in one go code loops inside HAL_UART_IRQHandler in UART_Transmit_IT with huart->State as HAL_UART_STATE_READY. This article shows you In this tutorial, we will understand the connection and configuration of different parameters of UART available in the cubeMX. although i am stepping through meaning i believe to be receiving correct CTS from the radio it is not working. STM32 Timer Counter problem during sending data via UART. I've added new examples such as NOKIA5110, FIT0484 Motor, LM35DZ, HD44780, BME280, DS3231, 25LC010A, MAX7219 and u8g2, CRC with SRecord, Meta information, etc. The UART peripheral has interrupt state of its own, but this is different from the state within the software driver, which seems to be what you are stuck on. 1k次,收藏4. If you open HAL_UART_Transmit code - you will see that when you send 1 byte without timeout no any blocking state will!. If even this is not available, then application may use only polling modes with DMA, see examples below. This tutorial is dedicated to guiding you through the process of configuring the STM32 UART Peripheral, we can now use the HAL_UART_TRANSMIT_DMA function. Cite. SPI Mode Numbers, Daisy Chain. Resetting the port status will let the function run again, but still doesn't transfer any data. Make sure that the UART is not in a fault state. Projects\STM32F411RE-Nucleo\Examples_LL\USART\USART_Communication_Rx_IT_Continuous The main thing is to set you usart to continuous reception: void Configure_USART(void) STM32 HAL_UART_Transmit_IT never returns. In this example 2000 bytes will be transfered using DMA, Transmit Half Complete and Transmit Complete interrupts achieving the best performance. If you remember well, during code generation, I instructed to leave USART1 in the list of peripherals to initialize in generated code. I am able to send and receive data using Interrupts. – guagay_wk. However, I need to find a way to use scanf with usart. Then, you can send the data you want to send over UART in half-duplex mode, and switch back to the RX (receiver) mode to capture any incoming data. STM32: Unable to exit interrupt handler for UART interrupt. I'm using STM32cubemx and I have created a project using UART in 9-bit configuration. STM32 HAL UART Transmit DMA problem. I am trying to establish UART communication between a PC and a STM32f407-DISC1 board using an arduino nano as a middle man. You call HAL_UART_Transmit_IT to transmit your data in the "interrupt" (non-blocking) mode. if there is more code you want I can get I don't have the docs handy, but IIRC HAL_UART_Transmit_IT doesn't make a copy of the buffer, so you need to wait for the transmit callback before modifying data_buffer again. And as an uint32_t is 4 byte, third param should be 4. * Size Amount of data elements (u8 or u16) to be sent. STM32 UART Interrupt does not work after overflow. I want to transmit data on UART without using any HAL function. Problems with the length of GATT Charactersitic in BLE_p2pServer_ota example in STM32 MCUs Wireless 2024-11-29; This post is one of the most comprehensive tutorials showing how to mix C++ with STM32 HAL. Home; Microcontrollers. UART loopback test using HAL for STM32L0. Take a blocking example: void PRINT_MESG_UART(const char * format, Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company 2. sizeof message is equal to 2). The request is then communicated to the stm32 with a GPIO interrupt, which then should be transmitting 480 bytes of data using HAL_UART_Transmit_IT. hal_uart_transmit_it is not working(No interrupt occurs) Hot Network Questions Hi. If you still want 115200 try HardwareSerial instead. Transmit starts immediately when UART requests first byte via DMA to be shifted to UART TX Some STM32Cube firmware packages include same example using HAL drivers too. If the UART is in a fault state, it will not transmit data. In this tutorial, we will show you how to use STM32 Blue Pill UART in interrupt mode to transmit and receive data. STM32 MCUs Products; STM32 MCUs Boards and hardware tools; STM32 MCUs Software development tools; STM32H743 SPI DMA delay in STM32 MCUs Embedded STM32 SPI Tutorial. Now if I want to send a string to my PC, I can use this HAL function: HAL_UART_Transmit(&huart5, (const uint8_t*) strg, strLen, timeout); So far, so good. HAL_UART_Transmit(&huart1,tx_data, sizeof(tx_data), 100): hàm truyền data với các thông số: &huart1: cổng UART. Now I’m seeking for a code example that allows for reading one character from a UART Rx register and write it out to the same UART I am trying to use UART with DMA, before the DMA I tried polling method with while(HAL_UART_Transmit(&huart2, (uint8_t *)rs485TxBuffer, 17, 100) != HAL_OK); function and I could communicate . Configuring the GPIO pins corresponding In this example 2000 bytes will be transfered using DMA, Transmit Half Complete and Transmit Complete interrupts achieving the best performance. You’ll learn how to use and configure the STM32 UART To Send/Receive Serial Data in polling, interrupt, and DMA modes. STM32 HAL CAN does not So when you were using HAL_UART_Transmit(), each call would lock that uart, send the data, then unlock the uart. This function merely enables the UART peripheral and its receive interrupt. hpf gwykeiyj hwxdm kfhlh ouzdgxaw qjusah ynd wiies rmvt pfrhs