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序号 发表用户 公告信息 星期 发布时间
3942 zxw

ESM7400执行这个语句失败:

 sem_id = semget((key_t) 1234, 1, 0666 | IPC_CREAT);

编译及程序运行都正常,但调用该语句,返回值为-1,

现测试,在ESM6800上可正确运行(返回值为0)

星期一 2023-10-30 13:47:37
3941 x10

ZXW: https://www.toradex.com/zh-cn/maivin-modular-full-stack-ai-vision-system 

我们的EML-EVB系统有别于ESMARC,最主要的就是对摄像头的支持。参考toradex的这套设计,来综合考虑我们的评估系统。称为EML Kit(包括camera)也许更合适。

星期三 2023-10-25 15:59:30
3940 zhl

lqk:

es6801新增的GPIO,内部信号是UART5,对应的是ttyS1,不是ttyS4。下周再确认一下。

星期五 2023-10-20 20:57:32
3939 zhl

xd,cx:

ESM7000以及ESM6800E/H的emmc需进行重新划分,烧写的方法做以下的调整:

1、请更新烧写的内核文件到SD卡的根目录下。文件位置:

192.168.201.76://public/eMK/esm7000/zImage-mfg

192.168.201.76://public/eMK/esm6800/zImage-ram

2、emcfg.txt文件中修改目标文件名称,如:

filesystem=esm7000.tar

filesystem=esm6800.tar

这两个tar文件志超已经更新。

星期五 2023-10-20 14:04:06
3938 yy

10月20日C#测试程序为,随机100-2000ms写随机76-1000字节,平均500字节/秒

星期五 2023-10-20 12:22:10
3937 x10

HZC: https://devkitpro.org/viewtopic.php?t=8683 

进入vendor模式重新setup emmc器件的流程:

use CMD62 (vendor specific) to enter vendor mode
use CMD26 (standard) to write/program the CID
use CMD62 (vendor specific) to exit vendor mode

星期四 2023-10-19 11:30:16
3936 x10

HZC: https://github.com/oscardagrach/mmc-utils/blob/master/mmc.c 

星期四 2023-10-19 11:22:22
3935 hzc

   Read calibration

   DDRPHY_OFFSETR_CON0 (0x30790020) = 0x0C0C0C0C

   Write calibration

   DDRPHY_OFFSETW_CON0 (0x30790030) = 0x06060606

星期五 2023-9-22 14:36:15
3934 hzc

   Read calibration

   DDRPHY_OFFSETR_CON0 (0x30790020) = 0x0C0C0C0C

   Write calibration

   DDRPHY_OFFSETW_CON0 (0x30790030) = 0x06060606

星期五 2023-9-22 13:56:33
3933 x10
  1.  Security Reference Manual for i.MX 8M Nano Applications Processor

  2. Security Reference Manual for i.MX 7Dual and 7Solo Applications Processors

  3. Security Reference Manual for i.MX 8M Mini Applications Processor

星期三 2023-9-20 16:43:00
3932 x10

CT: 请了解AM6231ASGGGAALW的价格,并与AM3352工业级芯片比较。

星期三 2023-9-13 15:07:16
3931 x10

https://lore.kernel.org/all/20220730122049.3395254-2-boger@wirenboard.com/ 

星期一 2023-9-4 21:40:31
3930 x10

https://github.com/wirenboard/u-boot/tree/wb_v2015.07 

星期一 2023-9-4 21:26:56
3929 x10

https://github.com/wirenboard/u-boot 

星期一 2023-9-4 21:10:27
3928 zhl

[dram_para]

dram_clk = 648

dram_type = 7

dram_zq = 0x3b3bfb

dram_odt_en   = 0x31

dram_para1 = 0x10e410e4

dram_para2 = 0x1000

dram_mr0 = 0x1840

dram_mr1 = 0x40

dram_mr2 = 0x18

dram_mr3 = 0x2

dram_tpr0  = 0x0048A192

dram_tpr1  = 0x01b1a94b

dram_tpr2  = 0x00061043

dram_tpr3  = 0xB47D7D96

dram_tpr4  = 0x0000

dram_tpr5          = 0x198

dram_tpr6          = 0x21000000

dram_tpr7          = 0x2406C1E0

dram_tpr8          = 0x0

dram_tpr9          = 0

dram_tpr10        = 0x0008

dram_tpr11        = 0x44450000

dram_tpr12        = 0x9777

dram_tpr13        = 0x4090950

星期一 2023-9-4 13:12:04
3927 zxw

ESM7400的上电启动实验,总计12张。到现在为止,启动了310次左右,其中有3张板子,分别差了4次、5次、5次。大概看了一下,主要还是加载文件系统时停止。

星期五 2023-9-1 18:06:20
3926 x10

ZXW,YY:关于k.coredll.dll,可参考这篇文章https://blog.csdn.net/XiaoRungen/article/details/53537500

星期二 2023-8-29 14:30:17
3925 x10

; CS&ZHL JUN-22-2020: CompactorThread priority is above of default application thread, so that compaction can be executed on time

"CompactionPrio256"=dword:fa ; 0xfa = 250 = THREAD_PRIORITY_ABOVE_NORMAL

[HKEY_LOCAL_MACHINE\System\StorageManager\Profiles\FlashPDD]

    ;"DefaultFileSystem"="FATFS"

    ;CS&ZHL AUG-24-2023: NAND partition = "07" -> MSIFS which has EXFAT as default file system

    "DefaultFileSystem"="EXFAT"

星期五 2023-8-25 9:59:57
3924 x10

修改注册表设置之后,再次检查NK中各线程的优先级。预计优先级250的线程数应增加,而优先级255的线程数应减少:

NK线程优先级

线程数量

简要说明

10 - 96关键Real-time线程)

1

均在NK.exe

700 -96关键Real-time线程)

5

97 - 152Default Windows CE Drivers

44

各个CE驱动程序线程

153 - 247(普通Real-time线程)

5

WaveDev

248THREAD_PRIORITY_TIME_CRITICAL

1

PMPower Manager)线程

249THREAD_PRIORITY_HIGHEST

10

PM相关线程,PS/2线程

250THREAD_PRIORITY_ABOVE_NORMAL

3

WaveAPI等,增加一个!

251THREAD_PRIORITY_NORMAL

42

应用线程缺省优先级

252THREAD_PRIORITY_BELOW_NORMAL

1


253THREAD_PRIORITY_LOWEST

0


254THREAD_PRIORITY_ABOVE_IDLE

0


255THREAD_PRIORITY_IDLE

7

均在NK.exe减少一个!

合计

119


星期三 2023-8-23 14:53:28
3923 x10

335X NAND registry:

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\FlashDisk]

    "Dll"="flashmdd.dll"

    "FlashPddDll"="am335x_nandpdd2.dll"

    "Prefix"="DSK"

    "Profile"="FlashDisk"

    "IClass"=multi_sz:"{A4E7EDDA-E575-4252-9D6B-4195D48BB865}","{8DD679CE-8AB4-43c8-A14A-EA4963FAA715}"

    "FriendlyName"="NANDFLASH Driver" ;CS&ZHL DEC-7-2017: erase "EM335x" mark

    "Order"=dword:4 ;CS&ZHL APR-13-2020: 0 -> 4, after am33x_gpio.dll

    "Index"=dword:1

    "MemBase"=multi_sz:"50000000","08000000"

    "MemLen"=multi_sz:"00001000","00001000"

    ;"DmaCh"=dword:3

    "Prefetch"=dword:1

IF IMGREGHIVE

    "Flags"=dword:00011000 ; load driver in boot phase 1; do not load again later

ELSE

    "Flags"=dword:00010000

ENDIF

"RegionNumber"=dword:0 ; = 0: nandflash as single partition, = 1: 1st partition of two, = 2: 2nd partition of two

; CS&ZHL JUN-22-2020: CompactorThread priority is above of default application thread, so that compaction can be executed on time

"CompactionPrio256"=dword:fa ; 0xfa = 250 = THREAD_PRIORITY_ABOVE_NORMAL

[HKEY_LOCAL_MACHINE\System\StorageManager\Profiles\FlashDisk]

"Name"="NANDFS"

; CS&ZHL DEC-5-2017: FlashDisk optional

IF BSP_NAND_FOLDER_NAME_FLASHDISK

"Folder"="FlashDisk"

ELSE

"Folder"="NandFlash"

ENDIF

"AutoMount"=dword:1

"AutoPart"=dword:1

"AutoFormat"=dword:1

"MountAsBootable"=dword:1     

    "PartitionDriver"="flashpart.dll"

"DefaultFileSystem"="FATFS"

[HKEY_LOCAL_MACHINE\System\StorageManager\Profiles\FlashDisk\FATFS]

"Flags"=dword:000D001E ; CS&ZHL MAY-7-2020: deprecated in WEC7, should be harmless

"FormatTfat"=dword:1 ; CS&ZHL MAY-7-2020: format a partition for TexFAT.

    "DisableAutoScan"=dword:1 ; CS&ZHL MAY-7-2020: required for TexFAT as nandflash supports atomic sector writes.

    "CheckForFormat"=dword:1 ; CS&ZHL MAY-14-2014: ref imx53

    "MountAsBootable"=dword:1

    "FormatExFat"=dword:1 ; CS&ZHL MAY-12-2020: to implement ExFAT functionality

星期三 2023-8-23 13:28:03
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