Cmd13

CMD13 after CMD42. 2. LOCK_UNLOCK_FAILED (bit 24 of the card status register) as the result of CMD42 can be seen in the response of either CMD42 or the following CMD13. TN-SD-01: Enabling SD/uSD Card Lock/Unlock in Linux® CMD42 Parameter and Result CCM005-524338224-10494 tnsd01_enable_sd_lock_unlock_ in_Linux.pdf - Rev. A 8/17 EN 4

Cmd13. 4.3、SD卡写操作. 注意:发送ACMD之前,必须先发送CMD55,通知SD卡,接下来要发送的是应用命令 (APPCMD),而非标准命令. 01、SD卡简介SD卡(SecureDigital MemoryCard)即:安全数码卡,它是在MMC的基础上发展而来,是一种基于半导体快闪记忆器的新一代记忆设备,它被 ...

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RPi 4 stuck during UEFI init #28. Closed. sassmann opened this issue on Apr 1, 2020 · 4 comments. closed this as completed on Apr 1, 2020. Sign up for free to join this conversation on GitHub . Already have an account?May 25, 2018 · After receiving a block of data and completing the CRC check, the Device will begin writing and hold the DAT0 line low. The host may poll the status of the Device with a SEND_STATUS command(CMD13) at any time, and the Device will respond with its status (except in Sleep state). Introduction. Industrial temperature microSDXC card is designed, manufactured and tested to withstand extreme environmental conditions. Outdoor applications such as Kiosks, Gas Pumps, ATMs, Media Gateways, and Automotive/Marine. Also ideal for Internet of Things (IoT) applications to be used in the latest industrial applications. Yeah, that XPC bit. But the official specs are really unclear about if/when/why/how one would be supposed or allowed to set that bit. Anyways, it should be needed only for some faster speed mode, so, for 16MHz, you can just keep it set to zero (unless the test result tells that it's working with that bit set).I am trying to use a Polaroid 32GB Class 10 SD card and I get the error: mmc0: Timeout waiting for hardware interrupt. over and over again. The Pi works fine with a 16GB class 10 card. Any ideas what's going on. I've …1、初始化步骤:. (1) 延时至少 74clock,等待SD卡内部操作完成,在MMC协议中有明确说明。. (2) CS低电平选中SD卡。. (3) 发送 CMD0 ,需要返回 0x01 ,进入 Idle 状态. (4) 为了区别SD卡是2.0还是1.0,或是MMC卡,这里根据协议向上兼容的原理,首先发送 …

The CMD13 polling is needed for commands with R1B responses. In commit a0d4c7eb71dd ("mmc: block: Add CMD13 polling for MMC IOCTLS with R1B response"), the intent was to introduce this for requests targeted to the RPMB partition. However, the condition to trigger the polling loop becameR1. A host sends the bus test data pattern to a Device. NOTE 1 - CMD7, R1 while selecting from Stand-By State to Transfer State; R1b while selecting from Disconnected State to Programming State. NOTE 2 - CMD12, RCA in CMD12 is used only if HPI bit is set. The argument does not imply any RCA check on the device side. Jan 2, 2024 · CMD13 (Calstar) - Live flight status, scheduled flights, flight arrival and departure times, flight tracks and playback, flight route and airport The world’s most popular flight tracker. Track planes in real-time on our flight tracker map and get up-to-date flight status & airport information. Tuesday, April 6, 2021 |. Caterpillar Marine has unveiled its second-generation Cat Marine Displays (CMD) used for monitoring all engine platforms, supporting different vessel applications for professional …If you search for "stuff bits" or > "CMD13" in the spec, you will get the information. > > > > > The SPI responses are not well implemented, in this case (CMD13) > > it is incorrect, we should return a 2-byte R2. Your patch > > correctly skip the RCA check, but we still invalid data. > > This is already handled in ssi-sd.c in SPI mode.Table 1: Lock/Unlock Command Data Structure The password and its size are kept in two nonvolatile registers, the 128-bit password da-ta register (PWD) and the 8-bit password …

Hi chopwood, We had a similar issue on our zcu102 running 4.19.0-xilinx-v2019.2. It would happen about half the time on boot. The issue was resolved by turning off CONFIG_CPU_IDLE in the kernel configuration. The CMD13 polling is needed for commands with R1B responses. In commit a0d4c7eb71dd ("mmc: block: Add CMD13 polling for MMC IOCTLS with R1B response"), the intent was to introduce this for requests targeted to the RPMB partition. However, the condition to trigger the polling loop becameCMD13 after CMD42. 2. LOCK_UNLOCK_FAILED (bit 24 of the card status register) as the result of CMD42 can be seen in the response of either CMD42 or the following CMD13. TN-SD-01: Enabling SD/uSD Card Lock/Unlock in Linux® CMD42 Parameter and Result CCM005-524338224-10494 tnsd01_enable_sd_lock_unlock_ in_Linux.pdf - Rev. A 8/17 …Thank you for your answer. I have a few refinements. The system works well for a few hours, fills a card a lot of times and then hangs. And after hang there is no other mmc commands in log except of CMD13, no writings. And yes, I'll check other cards. – In mmc_blk_cmd_recovery(), re-tuning would fail before sending CMD13 on our specific board. This may be some issue related to specific eMMC card we are investigating. The above is just background introduction, and you may not care about that:) I'd like to have some queries on CMD12 usage in MMC driver. 1.

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Seeing simular errors with a Raspberrypi 4b and original Pi Powersupply. Pi has no SD Card, only m.2 SSD on USB3 port with Beta Firmware from 6/15/20. Maybe an eletrical problem? Missing pullup/down? Plugged a dead SDCard and the errors are gone. ``. [ 5098.170186] mmc0: Timeout waiting for hardware cmd interrupt. For Worldwide Release: March 2021. Houston, Texas – Caterpillar Marine is enhancing user experience with the addition of the Cat ® CMD5 (5” display), CMD8 (8” display), and CMD13 (13.3” display) second-generation Cat Marine Displays (CMD). CMD13: SEND_STATUS [31:0] Stuff Bits: R2: Asks the selected card to send its status register. CMD16: 010000: SET_BLOCKLEN [31:0] Block Length: R1: Sets a block length (in bytes) for all following block commands (read and write) (note 2) of a Standard Capacity Card. Block length of the read and write commands are fixed to 512 bytes in SDHC and ...©1989-2023 Lau terbach eMMC FLASH Programming User’s Guide | 14 The following framework can be used as base for eMMC Flash programming:mmc0: Timeout waiting for hardware interrupt - cmd25. mmc0: Timeout waiting for hardware interrupt - cmd12. mmc0: Timeout waiting for hardware interrupt - cmd13. …

Here's an issue encountered where we have worked around the problem, but the larger issue remains and should be addressed in FSBL and possibly the tooling between PCW and FSBL. We boot from mmc0 (eMMC), jump from FSBL directly to linux. mmc1 is an accessory card. On most of our systems, the mmc1 would fail with ><p></p><code>[ 10.205936] …CMD13 after CMD42. 2. LOCK_UNLOCK_FAILED (bit 24 of the card status register) as the result of CMD42 can be seen in the response of either CMD42 or the following CMD13. TN-SD-01: Enabling SD/uSD Card Lock/Unlock in Linux® CMD42 Parameter and Result CCM005-524338224-10494 tnsd01_enable_sd_lock_unlock_ in_Linux.pdf - Rev. A 8/17 …mmc1: starting CMD13 arg 00070000 flags 00000195 sdhci [sdhci_irq()]: *** mmc1 got interrupt: 0x00000001 *** mmc1 got interrupt: 0x00000001 mmc1: req done (CMD13): 0: 00000900 00000000 00000000 00000000. sdhci-esdhc-imx 2194000.usdhc: desired SD clock: 50000000, actual: 49500000 sdhci-esdhc-imx 2194000.usdhc: change …©1989-2023 Lau terbach eMMC FLASH Programming User’s Guide | 14 The following framework can be used as base for eMMC Flash programming: Set the eMMC data sector size to 4KB by disabling emulation. Create general purpose partition. Enable the enhanced user area. Enable write reliability per partition. Print the response to STATUS_SEND (CMD13). Enable the boot partition. Set Boot Bus Conditions. Enable the eMMC BKOPS feature. Permanently enable the eMMC H/W Reset feature.The SDIO controller can send CMD13 during card programming mode to check the card status. If software sends an R1b response type command (e.g., CMD38, CMD6) followed by a CMD13 (status check), the controller sends the transfer complete before completing busy due to the CMD13 status check. This can be avoided by not sending a CMD13 immediately ... Nov 4, 2016 · Call the initalize function to start the card up and get it out of idle. Then you can use the following 3 commands to interact with the card: getSize () -> Returns the size of the card as a multiple of 512b blocks (aka sector count) readBlock () -> Reads the given sector off the disk into the given array. 卡片的 初始化 将在主机发送 ACMD41 命令后开始,主机 每间隔1秒 就发送一次 ACMD41 命令,直到初始化完成( OCR 寄存器的 bit31 置位 )。. ( bit 31 )指示卡片的上电操作是否完成. ( bit 30 )指示卡片的容量状态(0代表SDSC、1代表SDHC或者SDXC). 上图OCR ( bit 31 )为 ...Set the eMMC data sector size to 4KB by disabling emulation. Create general purpose partition. Enable the enhanced user area. Enable write reliability per partition. Print the response to STATUS_SEND (CMD13). Enable the boot partition. Set Boot Bus Conditions. Enable the eMMC BKOPS feature. Permanently enable the eMMC H/W Reset feature.

1. I have multiple 512MB SDSC cards that seem to block after getting a read single block command. I get back the expected data which I wrote before, but the card seems to stop returning anything but 0xFF afterwards. Even simple commands like CMD13 (request status) do not send back anything but 0xFF. While these commands did return …

mmc1: starting CMD13 arg 00070000 flags 00000195 sdhci [sdhci_irq()]: *** mmc1 got interrupt: 0x00000001 *** mmc1 got interrupt: 0x00000001 mmc1: req done (CMD13): 0: 00000900 00000000 00000000 00000000. sdhci-esdhc-imx 2194000.usdhc: desired SD clock: 50000000, actual: 49500000 sdhci-esdhc-imx 2194000.usdhc: change …CMD13 after CMD42. 2. LOCK_UNLOCK_FAILED (bit 24 of the card status register) as the result of CMD42 can be seen in the response of either CMD42 or the following CMD13. TN-SD-01: Enabling SD/uSD Card Lock/Unlock in Linux® CMD42 Parameter and Result CCM005-524338224-10494 tnsd01_enable_sd_lock_unlock_ in_Linux.pdf - Rev. A 8/17 …Flight CMD13 - AirNav RadarBox Database - Live Flight Tracker, Status, History, Route, Replay, Status, Airports Arrivals Departures Real-time flight tracking with one of the best and most accurate ADS-B coverage worldwide. The next shot I tried was to download "sdfat" of Github and running the "quickstart" sketch. aaaand as you may have guessed it gave an error, that was this. Enter the chip select pin number: 53 Assuming the SD is the only SPI device. Edit DISABLE_CHIP_SELECT to disable another device. SD initialization failed.The three CMD variants—Cat CMD5 (5” display), CMD8 (8” display), and CMD13 (13.3” display)—designed to provide operators easy access to current operating …OEM Solutions. Caterpillar OEM Solutions provide partial machine configurations, including bare chassis, systems and first-fit components, to create specialty machines and unique equipment to meet your project …How To Download Latest TWRP Recovery On Any Android. Download the Gapps for CM 13 From the download section. Now connect your device to PC and transfer the Gapps Zip file. Make sure you have flashed the CM 13 ROM File on your device. How to Install CM13 (CyanogenMod 13) Via TWRP Recovery. Now Boot Your Device Into …

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Send CMD13 (SEND_STATUS) Send CMD18 (READ_MULTIPLE _BLOCK) Continued from previous figure (Note 1) Card identification mode Single-bit communication. Frequency …Dec 29, 2021 · 1st byte: 0b01xxxxxx, where xxxxxx is the binary representation of the command index, so CMD13 or ACMD13 => 001101 "ACMDxx" = application-specific command. Send CMD55 to tell the SD card, that the next command is an ACMD. command, as well as argument(s) (4 bytes), are described in the specifications in 7.3.1.3 Detailed Command Description Jun 9, 2021 · How To Reproduce. I'm trying to set my MMC into sleep state when not using it. After setting it into standby mode and sending the CMD5 with the 15bit set to 1, the card goes into idle state and it's missing from the HAL_MMC_CardStateTypeDef values, it would be nice to have it declared there. mmc1: starting CMD13 arg 00070000 flags 00000195 sdhci [sdhci_irq()]: *** mmc1 got interrupt: 0x00000001 *** mmc1 got interrupt: 0x00000001 mmc1: req done (CMD13): 0: 00000900 00000000 00000000 00000000. sdhci-esdhc-imx 2194000.usdhc: desired SD clock: 50000000, actual: 49500000 sdhci-esdhc-imx 2194000.usdhc: change …The functions are as follows, The read block and write block function calls the adtc command and the read block init and write block init send CMD13 to check the data ready status from the card. Please also suggest how I could integrate these function into FreeRTOS+FATSL to be able to use the SD card as a storage device with FreeRTOS.Our Partners for industrial display and Panel PC solutions. Hatteland Technology is a well-established distributor of display solutions with over 30 years of experience, a broad field of expertise and a mentality that promotes technological advancements. We aim to be your valued partner and advisor when choosing your optimal display solution.Counter value for the rpmb device will be read to stdout. Read from rpmb device to output. Write to rpmb device from data file. Enable the eMMC cache feature. Disable the eMMC cache feature. Print and parse CID data. Print and parse CSD data. Print and parse SCR data. There are three methods to install mmc-utils on Ubuntu 22.04.Step2. Checking the Queue Status(CMD13) CQE发出CMD13读QSR(Queue Status Register)来决定执行哪个task, device会反应个R1, 这个R1就是32bit value,每个bit对应一个task,如果bit=0,那这个task没有ready for execution,bit=1就是ready了。 Step3. Execution of a Queued Task(CMD46/CMD47)SPI Mode Response: R2 (16bit Card Status; SPI commands CMD13/ACMD return 16bit) CMDxx/ACMDxx - Other Commands with R1b Response R1b is identical to R1, with an optional busy signal transmitted on the DATA line (R1b occurs for CMD7, CMD12, CMD20, CMD28, CMD29, CMD38) (and for MMC: also for CMD5, CMD6).The reasons have already been explained >> in earlier change logs. >> >> To allow polling with CMD13, let's provide MMC_TIMING_MMC_HS200 as the >> timing …At any time, you can determine the state of the card's password lock by sending a CMD13 (SEND_STATUS) and examining the two-byte response, which is the card status. I found the spec to be very confusing regarding this register and the response to a CMD13. The goal is to read the LOCK/UNLOCK bit, which is bit 8 of the 16 bits …CMD_13:cmd13获取卡的状态,其实本质就是读 Card_Status 寄存器 . CMD_16:设置SD卡的块大小,在CSD寄存器有对应的操作描述, CMD17:设置SD卡按照单个区块进行操作, 使SD卡进入传输状态,读取单个块。这个命令需要附带对应的地址参数 ….

Thank you for your answer. I have a few refinements. The system works well for a few hours, fills a card a lot of times and then hangs. And after hang there is no other mmc commands in log except of CMD13, no writings. And yes, I'll check other cards. –Discussion: [PATCH] mmc: Add delay between CMD6 and CMD13 for Sandisk eMMC cards. Jean-Michel Hautbois. 9 years ago. Tested on a i.MX6 board, with Sandisk SDIN5D1-2G. Without this patch, I/O errors occur. This eMMC seems to have a different Manufacturer ID as it reads 0x45. and not 0x2 as specified in datasheet. Nov 28, 2017 · These CMDs return with -84, which means: * EILSEQ Basic format problem with the received or sent data * (e.g. CRC check failed, incorrect opcode in response * or bad end bit) I am able to load files from the sd card in uboot and most of the CMDs are also working in the dw_mmc driver as you can see below. Clock is set to 25MHz, tested are two ... Apr 6, 2021 · Tuesday, April 6, 2021 |. Caterpillar Marine has unveiled its second-generation Cat Marine Displays (CMD) used for monitoring all engine platforms, supporting different vessel applications for professional maritime use. The three CMD variants—Cat CMD5 (5” display), CMD8 (8” display), and CMD13 (13.3” display)—designed to provide ... Hi we're using a LPC54608 with an external sandisk (sdinbda6-64g) eMMC memory device which is failing to complete the initialisation phase. (using sdk 2.7.0) Having looked at the clk, cmd and d0 lines on the scope I can see the processor is sending cmd0 to put it into idle state then is in a constant loop sending cmd1 with the reply always ...May 4, 2016 · CMD13 cannot be guaranteed due to the asynchronous operation. Therefore it is not recommended to use CMD13 to check busy completion of the timing change indication. 2. After switch to HS200, CMD13 will get response of 0x800, and even the busy signal gets de-asserted, the response of CMD13 is aslo 0x800. CMD13 cannot be guaranteed due to the asynchronous operation. Therefore it is not recommended to use CMD13 to check busy completion of the timing change …My apologies if there's a better way of reporting problems with SD cards seeing they're quite common. OS and board specific stuff I am using model B, not overclocked, headless. cmdline.txt dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdb...class="nav-category mobile-label ">General Purpose MicrocontrollersGeneral Purpose Microcontrollers Cmd13, CMD13 after CMD42. 2. LOCK_UNLOCK_FAILED (bit 24 of the card status register) as the result of CMD42 can be seen in the response of either CMD42 or the following CMD13. TN-SD-01: Enabling SD/uSD Card Lock/Unlock in Linux® CMD42 Parameter and Result CCM005-524338224-10494 tnsd01_enable_sd_lock_unlock_ in_Linux.pdf - Rev. A 8/17 EN 4 , I have an LS1043ARDB and UHS-I SD Card. When inserting the SD card I configure the CPLD to use 1.8V and the device starts tuning. After finishing tuning successfully I successfully configure the SD Card as a SDR104 card. Immediately after this I receive a bunch of SD commands that fail. The comm..., 1. CMD13 cannot be guaranteed due to the asynchronous operation. Therefore it is not recommended to use CMD13 to check busy completion of the timing change indication. 2. After switch to HS200, CMD13 will get response of 0x800, and even the busy signal gets de-asserted, the response of CMD13 is aslo 0x800., Find out why polling with ->card_busy() or CMD13, for a CMD6 with > an R1 response doesn't work - and then fix that behaviour. > > 2. Set the mmc->max_busy_timeout to zero for sdhci-tegra, which makes > the core to always use R1B for CMD6 (and erase). This also means that, Smart | Connected | Secure | Microchip Technology, Actually, most of the info/code you may find on SD initialization is either dated or innacurate, since it predates SDHC & SDXC by years. The procedure is more complicated nowadays, as it forces you to deal with old hardware in a backwards-compatible way., Description. If during the execution of an Auto CMD12 command, software sends another command (such as CMD13) to poll for the program state, then this second CMD is …, Drying. AEC manufactures wide range of dryers in the industry for those processing as little as 5 lbs/hr to over 5,700 lbs/hr With products that range from small, energy efficient portable units to large central systems, AEC has the dryer you need. Types of dryers include: Desiccant twin bed, desiccant wheel, compressed air and hot air., CMD13: SEND_STATUS [31:0] Stuff Bits: R2: Asks the selected card to send its status register. CMD16: 010000: SET_BLOCKLEN [31:0] Block Length: R1: Sets a block length (in bytes) for all following block commands (read and write) (note 2) of a Standard Capacity Card. Block length of the read and write commands are fixed to 512 bytes in SDHC and ..., SD Specifications Part 1 Physical Layer Simplified Specification Version 6.00 April 10, 2017 Technical Committee SD Card Association, ©1989-2023 Lau terbach eMMC FLASH Programming User’s Guide | 14 The following framework can be used as base for eMMC Flash programming:, CMD13 SEND_STATUS + CMD15 +GO_INACTIVE_STATE CMD16 +SET_BLOCKLEN CMD17 READ_SINGLE_BLOCK + CMD18 READ_MULTIPLE_BLOCK + CMD24 WRITE_BLOCK + CMD25 WRITE_MULTIPLE_BLOCK + CMD27 +PROGRAM_CSD CMD28 -SET_WRITE_PROT Internal write protection is not implemented. CMD29 …, 4.3、SD卡写操作. 注意:发送ACMD之前,必须先发送CMD55,通知SD卡,接下来要发送的是应用命令 (APPCMD),而非标准命令. 01、SD卡简介SD卡(SecureDigital MemoryCard)即:安全数码卡,它是在MMC的基础上发展而来,是一种基于半导体快闪记忆器的新一代记忆设备,它被 ..., CMD13 - Addressed card sends its status register. This function waits the clear of the busy flag. Returns true if success, otherwise false . References CARD_STATUS_READY_FOR_DATA, driver_get_response, driver_send_cmd, sd_mmc_card::rca, sd_mmc_debug, sd_mmc_is_spi, …, Circuit and Interfacing. SD card has a native host interface apart from the SPI mode for communicating with master devices. The native interface uses four lines for data transfer where the microcontroller has SD card controller module and it needs separate license to use it. Since the SPI is a widely used protocol and it is available in most ... , Sep 10, 2020 · CMD13 read SD card status register. CMD16 sets the size of a single sector to 512 bytes. CMD17 read sector command. CMD18 read multiple sectors and know to send stop command. CMD24 write sector command. CMD25 write multiple sector command. CMD27 edit CSD bit. CMD28 sets the address group protection bit. Write protect data configured by WP_GRP_SIZE , Introduction. Industrial temperature microSDXC card is designed, manufactured and tested to withstand extreme environmental conditions. Outdoor applications such as Kiosks, Gas Pumps, ATMs, Media Gateways, and Automotive/Marine. Also ideal for Internet of Things (IoT) applications to be used in the latest industrial applications., Hi we're using a LPC54608 with an external sandisk (sdinbda6-64g) eMMC memory device which is failing to complete the initialisation phase. (using sdk 2.7.0) Having looked at the clk, cmd and d0 lines on the scope I can see the processor is sending cmd0 to put it into idle state then is in a constant loop sending cmd1 with the reply always ..., CMD_13 cmd13获取卡的状态,其实本质就是读 Card_Status 寄存器 CMD_16 设置SD卡的块大小,在CSD寄存器有对应的操作描述, CMD17 设置SD卡按照单个区块进行操作, 使SD卡进入传输状态,读取单个块。, e.MMC v5.1A. In January 2019, JEDEC published the latest version of its popular e.MMC standard: JESD84-B51A: Embedded MultiMediaCard (e.MMC), Electrical Standard (5.1A). e.MMC v5.1A defines features and updates for this embedded mass-storage flash memory that is widely used in smartphones and other mobile devices. JESD84-B51A is available …, OEM Solutions. Caterpillar OEM Solutions provide partial machine configurations, including bare chassis, systems and first-fit components, to create specialty machines and unique equipment to meet your project needs. Technology. Whether it’s telematic data from equipped machines that gives you better insight into your operation. , Como Descargar Gapps para CM13 / Android 6.0 / Marshmallow Link Articulo Completo: https://goo.gl/kz1UNESuscribase a este canal y activen la campanita de no..., Circuit and Interfacing. SD card has a native host interface apart from the SPI mode for communicating with master devices. The native interface uses four lines for data transfer where the microcontroller has SD card controller module and it needs separate license to use it. Since the SPI is a widely used protocol and it is available in most ... , I am looking for an example to for the AM335x /MMC module to interface with the SD card. My problem is the ACMD13 (SD Status) and the ACMD51 (SCR Register). These commands are supposed to have 512 bits (64 bytes) Block data sent to the host via the DATA register. The commands are sent correctly ..., Aug 5, 2016 · Why don’t you uncomment the BOARDID line in the jetson-tk1.conf in the linux_for_tegra folder where the flasher is located. That probably should override the problem. , May 4, 2016 · CMD13 cannot be guaranteed due to the asynchronous operation. Therefore it is not recommended to use CMD13 to check busy completion of the timing change indication. 2. After switch to HS200, CMD13 will get response of 0x800, and even the busy signal gets de-asserted, the response of CMD13 is aslo 0x800. , do not check for null and checked at the same time. if the object is null, you will get Null Reference exception. SO, try to check one condition at a time. Quote: lblEmail = grid1.Rows [0].Cells [3].Text.ToString (); every time you are assigning text to same object. if "lblEmail" is label then how can you assign text to label object., EDIT: solution on post #30 and following Hi ! I'm looking for some help here regarding a wered issue I'm facing with RF modules and Mirf lib. I'm trying to light ON and OFF some LED modules, but depending the code I use the message is sometimes not received (or sent I don't know). I use: Arduino Pro Micro ATMega 32U4 5V 16Mhz …, If I send CMD13 (arg=0x00) after this, I should get card status, but It is returning back with 0xC1 0x3F. After reset, if I tried to read sector no. 2001. I get following results . I think this is the correct procedure for SD Card write. Any help will be appreciated.Thanks in advance., CMD13 after CMD42. 2. LOCK_UNLOCK_FAILED (bit 24 of the card status register) as the result of CMD42 can be seen in the response of either CMD42 or the following CMD13. TN-SD-01: Enabling SD/uSD Card Lock/Unlock in Linux® CMD42 Parameter and Result CCM005-524338224-10494 tnsd01_enable_sd_lock_unlock_ in_Linux.pdf - Rev. A 8/17 EN 4 , mmc0: starting CMD13 arg 00010000 flags 00000195. sdhci [sdhci_irq()]: *** mmc0 got interrupt: 0x00000001. mmc0: req done (CMD13): 0: 00000900 00000000 00000000 00000000. mmc0: clock 52000000Hz busmode 2 powermode 2 cs 0 Vdd 7 width 3 timing 1. sdhci sdhci-esdhc-imx.0: desired SD clock: 52000000, actual: 45000000, The CMD13 polling is needed for commands with R1B responses. In commit a0d4c7eb71dd ("mmc: block: Add CMD13 polling for MMC IOCTLS with R1B response"), the intent was to introduce this for requests targeted to the RPMB partition. However, the condition to trigger the polling loop became, eMMC Commands Basic commands (class 0 and class 1) CMD0 CMD1 CMD2 CMD3 CMD4 CMD5 CMD6 CMD7 CMD8 CMD9 CMD10 CMD12 CMD13 CMD14 CMD15 …