ARM: aduc 7026 programming
hello, i am using ADuC7026 first time. I want to generate a square wave of 50percent duty cycle and rotate an unipolar stepper motor and potentiometer clockwise and anticlockwise, displaying its...
View ArticleARM: Regarding RL-ARM
We are using MDK-PLUS ver5.22 KEIL MDK-ARM tool chain for our firmware development. We have seen RL-ARM library includes different software components like RL-RTX, RL-FLASHFS, and RL-TCPnet etc.. We...
View ArticleNone: How to use mdk-arm middleware (1 Replies)
I'm a beginner in ARM programming. Please tell me how to use mdk-arm middleware. Used cpu : STM32F407IGT6 Used Development Environment : MDK-ARM Ver5.22 I want to operate the SD card using file...
View ArticleARM: DMA receive interrupt stops working
Hi, I'm using STM32F401RE UART with DMA to receive a continuous stream of data and send over BLE. I am facing issue when that DMA buffer full interrupt stops working as I attach to stream of data. It...
View ArticleARM: strpos() not working when strstr() works (5 Replies)
Dear Board I’m using STM32F103 controller, when I use strstr function for finding a word in a string the compiler throws a warning. No issue for me but the code works fine But when I use...
View ArticleDS5: Global Variables are not being initialized (1 Replies)
I am switching from using GNU ARM toolchain to using the ARM DS-5 compiler toolchain. The microcontroller I am programming has flash memory starting at 0x08000000, and RAM starting at 0x20000000. My...
View ArticleNone: Read only address in memory debug window
Hi guys, I have a problem that I used J-LINK to debug memory. As for the chip side, the external flash base is 0x10000000 and can't be modified. However, I can use J-LINK to modify this memory address...
View ArticleARM: MIRKO MERA: Compile error while rebuilding RTX Blinky 5 example (1 Replies)
http://www.keil.com/forum/61598/ People from ST are not monitoring this site. The error is indicative of the compiler not using the right include files, you will need to adjust the Include Path...
View ArticleARM: Compile error while rebuilding RTX Blinky 5 example (2 Replies)
Hello I have a STM32F4-Discovery and I started using keil based on app_230. When I try to rebuild the example project of RTX Blinky 5 I encounter with following errors: *** Using Compiler 'V5.06...
View ArticleARM: Using ARM uVision5 IDE with Cortex-M4 of a Colibri iMX7 (5 Replies)
We're having a problem debugging an example application that was supplied with our install of uVision5 and the ARM KEIL MDK. The example application that we're building is the Blinky_M4 project. It's...
View ArticleARM: Some questions about Ethernet under Stm32f10x
Hi, I have some basic questions that I will appropriate to answer and help me. 1)for a secure Ethernet connection , is this code sufficient for renewing disconnect , preventing from disconnection and...
View ArticleC51: Disable/remove security bits in P89C51RD2 (2 Replies)
Hi, I am working with P89C51RD2HBA(PLCC package). When I start to download .hex files using flash magic , "Security bit 1 is set" message is displayed. And from ISP->ReadSecurity, I come to...
View ArticleC51: Interrupt Issue (4 Replies)
Can I call function outside of ISR,from inside of an ISR which is call by other function(eg. from MAIN) in AT89S52 using C?
View ArticleARM: LCD tutorial
Hello, I'm making tutorial for stm32f429i-discovery (http://www.keil.com/appnotes/files/apnt_268.pdf) I made it up to graphics display on LCD and it's not working :( Hello world is not displaying at...
View ArticleARM: UART\UART.axf: Error: L6200E: Symbol nav_code multiply defined (by...
Im getting this error and after googling i cannot find a precise solution for my question. here is my main.c /* Includes ------------------------------------------------------------------*/ #include...
View ArticleARM: Problem with trace signal (ETM) on custom board (1 Replies)
Hello! I have a problem with trace signal on my custom board. When I start debugging code with ULINK Pro with enabled ETM I always get error info in command window: Aborted Trace processing: Time...
View ArticleARM: USBVIRTUALCOM
Hello: I´m using USB Virtual COM example for KEIL MCB2300 LPC2387. When I plug the USB, my PC recognize it as "USB serial device COM7". The problem is that data in the COM port associated...
View ArticleARM: USB detection and removal - System is get hanged
Hi, I used Keil sample program for USB detection and removal. In my case, the USB is got detected and started file writing. But if i removed the USB in between the program is getting hanged. After...
View ArticleNone: how to fix error C202: 'PINC': undefined identifier (2 Replies)
i have this code for gps/gsm based tracking system. when i start building target it gives this error. help me to fix this error, thank you, my code is this: //GPS Vehicle tracker #define F_CPU...
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