ARM: JTAG chain STM32F4xx (1 Replies)
I use 4 microcontrollers STM32F427 in JTAG chain on one board. I try to use JTAG chaining with RealView ULINK2. In tab Configure Flash Tools-Debug - Use ULINK2/ME Cortex Debugger -Settings window JTAG...
View ArticleARM: How to use the Debug (Printf) Viewer
Hello, I am new to the Keil interface and I want to configure the interface for using the Debug (Printf) Viewer. I am using the uVision 5.14. I am using a ST-Link as a debugger and I am following the...
View ArticleNone: Http server with file time stamp (3 Replies)
Hi, I am using fatfs file system. http://elm-chan.org/fsw/ff/doc/stat.html I need to return fdate and ftime convert into 32 bit number void netHTTPs_fstat (const char *fname, uint32_t *fsize, uint32_t...
View ArticleARM: SRAM Programing (2 Replies)
Hi guys! I want to program SRAM only at stm cortex-M7 core controller. May I do this without wasting my program flash cycles? If yes so what should I do at keil properties before programming?
View ArticleARM: finit() Returns 2
Hi everyone I was implementing RL Flash_FS for my Nand Flash(k9F2G...)in lpc1788 Board. I wrote a Driver and Write functions name in const NAND_DRV nand0_drv . Configure my Settings in File_config.c ....
View ArticleARM: confused characters (1 Replies)
HI I have a stm32f103c8t6. I connected data pin of LCD to portA.& RS,RW,EN to PB0...PB2 . but my lcd is really confused. everyTime i send "111" to LCD it shows "333". everyTime i send "qqq" to...
View ArticleNone: Capacitive Touch Screen GT911 (1 Replies)
hi i have a gt911 for 7 inch LCD, and have a ARM microcontoller as Host.do you have C code (example). with I2C, i send Configuration Bytes, but i see a continue pulse on INT pin, without any touch....
View ArticleARM: Missing Device Information Keil:STM32L0xx_DFP:1.6.0 (1 Replies)
Hello, I have installed MDK5.24a free for STM32L0 and I can't import project from CubeMX. I've information about missing device: Keil:STM32L0xx_DFP:1.6.0 However I do have appriopriate pack installed...
View ArticleARM: Error
Hello, I am getting this error, *** Using Compiler 'V5.06 update 5 (build 528)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin' Build target 'Target 1' linking... .\Objects\test.axf: Error: L6218E: Undefined...
View ArticleARM: How to download binary files to target using ULINK2 (2 Replies)
Hello. I have the entire workspace "spread out" in my KEIL uV5 IDE and a JTAG plug from the ULINK2 connected to my target HW. When I (down)load my SW onto my target HW, I simply push the "LOAD" icon...
View ArticleC51: Left and right arrowkeys and the // do not work in the mcu 8051 ide (5...
As the title says the Left and Right arrow keys are not working in the 8051 ide. I installed the latest version I could find on my ubuntu 16.04 machine. Also when I use // for comments I get a syntax...
View ArticleARM: RTX OS_STKSIZE changes static memory use
LPC4078, uVision V4.74.0.22 I have 3 tasks in my system all of which I start with user defined stacks. I start one with os_sys_init_user() and the other two with os_tsk_create_user(). I therefore...
View ArticleARM: why LPC1788 bit-band region do not cover internal SRAM completely? (1...
hi to all, i am working on a project that in it i need to do some process on large amount of data (nearly 10Kb) and generate some output signal by deciding on each bit of my data and indeed i am in...
View ArticleC166: Key de-bouncing in 4x4 matrix keypad (1 Replies)
I'm using 4 x 4 keypad to send the output to 2 7-segment LED. problem: key de bouncing problem Summary problem: when I press key, it shows both digit on the left and right. For example, if I first...
View ArticleARM: Change load region at runtime
Hi All, I am implementing a software upgrade mechanism (burning a new image into a flash memory area). The problem: I don't know how to change the load region address at runtime. Flash contains booter...
View ArticleARM: owerride function problem in keil
Hi, I used printf for serial print by this function: struct __FILE { int handle;} ; //FILE __stdout; //FILE __stdin; //FILE __stderr; int fputc(int ch, FILE *f) {...
View ArticleARM: MAC driver bug with new IP fragmentation ? (1 Replies)
Hello, I integrated the very last sources of the Ethernet stack to a project and I think that MAC driver file "EMAC_stm32f4xx.c" is now not compatible with IP fragmentation. When a UDP fragmented...
View ArticleARM: where does the dfu botloader live? (2 Replies)
Trying to understand a bit more about the bootloader with the stm32f chips. Is the dfu bootloader written to 0x1fff? When I use the boot reset 0,1 mode it does work and the data sheet says it boots to...
View ArticleC51: Homework help
Question: Write a program to copy 10 bytes of data at ROM address 500H to RAM starting at location 40H. Start with creating a look-up table at a convenient location ORG 500H TABLE: DB 0, 1, 2, 3, 4,...
View ArticleARM: EFM32GG and RTX5
Hi I would like to give RTX5 a try. Sadly, i haven't found any template for Eclipse (Atollic). Is there some information on how to setup RTX5 with Eclipse based IDE and EFM32GG? Difficutlies are: -...
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