ARM: RS 232
RS 232 IS NOT WORKING Hi, I have done programing of rs 232 with lpc 2378(uart0).In the hardware DB 9connectors TXD and RXD are connected together(loop back test) for testing hardware.The code is as...
View ArticleARM: Referring symbols from linker file (2 Replies)
Hey there, Simply, i tried to use symbols from Keil's linker script but keil outputs "identifier __bss_end__ is undefined" I found many symbols defined in gcc_arm.ld file and i want to use one of them...
View ArticleARM: MCBSTM32F400 http server example problem (1 Replies)
Hi guys, I am using MCBSTM32F400 development board to lear http server application. There is a example project in Keil called "http server ipv4/ipv6 (MCBSTM32F400)". I use this example and download to...
View ArticleARM: RDP reprogramming not working (9 Replies)
Hi all, I'm currently working on stm32f4xx controller, i need to protect the flash memory, so i used RDP as stated below, its worked and flash memory was not readable, but after that i was not able to...
View ArticleNone: J-Link Device Selection Error in Keil (9 Replies)
I am trying to download my project in a STM32L011K4 microprocessor by using a J-Link and the uVision-5 environment. But It comes up with an error message "No JLink device found". I can not find...
View ArticleARM: Conditional compiling in Keil MDK-ARM (1 Replies)
Hi, We are using LPC2478 in our system with Keil RTX OS. We use Keil uVision v474. Our code is C based with above 300 files segregated in different folders. Currently, our project is such that we have...
View ArticleNone: uVision split screen (2 Replies)
Is there any possibility to split project files into separate screens (i have 2 monitors in extended screen mode and i want to share project files between them without another uVision instance)....
View ArticleARM: Keil RTOS V2 stack usage debug
Hi, I'm trying to check the stack usage with the debugger checking the watermark option but can't see any stack in the System and Ttread Viewer, it's empty... Thanks
View ArticleARM: \Keil_v5\Objects\Vowels.axf'. Debugger aborted !could not load file (2...
I'm getting the error below while trying to start debug:".\Objects\Vowels.axf" - 1 Error(s), 0 Warning(s). Target not created. Build Time Elapsed: 00:00:01 Error: Could not load file...
View ArticleARM: USB communication failure with ULINKPro (3 Replies)
Recently, I bought ULINKPro debugger. I tried to use that. It showed me USB communication failure. I am confused that whether it is my CPU USB problem or ULINKPro USB problem.. Upto flash downloading...
View ArticleARM: Should I use cubeMX? (4 Replies)
Hi I am a newbie to STM32 (coming from 8 bit freescale) , and will be concentrating on the STM32L0 range. The CubeMX looks really good at first site, but wondering what people thouhts are? Am I better...
View ArticleC51: Arithmetic using numeric constants (10 Replies)
Hello, We came across a mystery/bug yesterday. This was tested with C51 v9.53 (Simplicity Studio) and 9.56 (uVision). unsigned char data c; unsigned int data d; // The values 0x7B and 0xFF7B are wrong...
View ArticleARM: i have tried everything but GLCD not showing a single charactor
here is my code //====================================================================== #include <LPC17xx.h> #include "lcd_functions.h" #include "gpio.h" int main() { char i,a[]={"Good...
View ArticleNone: st-link problem (7 Replies)
hi guys, I have a problem! I am tryin' to program a STM32F407VGT microcontroller, but when I connect the programmer the st-link debugger keeps sayin' "no st-link detected" . I have installed the...
View ArticleARM: Could not stop Cortex-M device (6 Replies)
Dear all, I am working on MCB1768/keil uVision with my students for 2 years now, and we use ULINK2 to programm the board. Sometimes, a student (accidentally) push the reset button of a board while the...
View ArticleARM: Interfacing STM32 with External 512kx16 SRAM, 8bit data only accessible...
Hi,I have STM32F4 interfaced with the external SRAM sized 512kx16 array. Now what I believe is (Pls correct me if i am wrong), Pointing to Every incremental Address should give me 16bit data. because...
View ArticleARM: Problem with linking : Error: L6218E: Undefined symbols (6 Replies)
Hello, I created a project on STM32F407ZET6 with Keil µVision V5 14.0.0. When build project I have these errors: compiling main.c... compiling os_app_hooks.c... linking......
View ArticleARM: Available to push codes to Github with Keil MDK 5? (1 Replies)
Hi, I use Keil MDK-ARM 5.21 and Github. While working with Keil, I have controlled codes using Git v2.10 and SourceTree (Git client). Without using SourceTree, I wish to push or diff codes with Keil...
View ArticleNone: Configure the BOR level in file option.s (1 Replies)
Please, I found the following .s file : ;/*****************************************************************************/ ;/* STM32L0xx_OPT.s: STM32L0xx Flash Option Bytes */...
View ArticleNone: Options Bytes in scatter file (1 Replies)
Please, I want to know where to find a scatter file in a existing project and how to modify it for adding an IROM2 for Options Bytes. If I have to create a new a scatter file, how to do it. Thanks in...
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