ARM: LPC2138 NXP (3 Replies)
I have LPC2138 microcontroller from NXP and I am using keil mdk compiler. I was trying to make program on keil compiler but I am unable to find device for my project from the nxp. I don't see my...
View ArticleARM: Putting code at specific loaction in Assembly file (4 Replies)
I want to put the code written in assembly file at specific location say 0x5000. Can someone give me procedure with proper example for doing the same code? I have checked using "AREA" directive, but...
View ArticleARM: Mixing C and assembly (7 Replies)
I have written one code in the assembly language for mixing C and assembly. The compiler is not properly generating the code for one instruction. I have written the following code, LDR r0,[pc, #74]...
View ArticleNone: Bus Collision detection in LIN (10 Replies)
In Event triggered frame of LIN (Local Interconnect Network), more than one slave can respond to the master, if signals have changed from previous transmitted values. In case two slaves simultaneously...
View ArticleARM: STM32F1 USART ignoring chars on start up? (10 Replies)
Hi, I am currently testing the USART on my STM32F103C8 Blue Pill, which I should be able to send text to and it will echo back anything typed and respond to various commands. I'm finding something a...
View ArticleARM: Download KEIL uVision 4 (13 Replies)
Hi! Please tell me from where can I download KEIL uVISION 4 and other older versions if not here on the official website. Thanks
View ArticleARM: Communication via ST-Link and µVision Printf Viewer (1 Replies)
Started with a STM32F072 Nucleo with Keil MDK using ST-Link of Evaluation board. Managed to do printf()/putchar() output to uVision 'Serial Debug (printf) Viewer' via EventRecorder (DAP). But: How to...
View ArticleC51: KEIL uVersion EVal Version (3 Replies)
Dear KEIL Team, I have a problem when build target. I use KEIL UVersion 5. Do I need to buy the full version? Below is Build Output: Build target 'Debug Version' linking... BL51 BANKED LINKER/LOCATER...
View ArticleNone: usbDeviceError in USB CDC connection (1 Replies)
Hello everyone, I have a following problem, I am trying to use my LPC4357 on MCB4300 as USB Host for CDC connection. I have the simplest code #include <stdio.h> #include "cmsis_os.h"...
View ArticleNone: microprocessor program (10 Replies)
Hello, I am making a fingerprint ignition system,and i want a microprocessor program for it. Can u help me!
View ArticleARM: dynamic data alignment (2 Replies)
Hi All, To align variable or table to 32 byte boundary I use this: char ch __attribute__((__aligned__(32))); char array[512] a __attribute__((__aligned__(32))); But I need 32 byte aligned dynamic...
View ArticleARM: Can SST flash 39vf1601 be used as the ROM1 to store the firmware code...
Hi I have used LPC 1777 in a board in which I was using LPC 2420 earlier as all the pinouts for both are same .All my code has been completely ported but the problem is that my firmware size is...
View ArticleNone: cannot access arm debug register
we want to debug our program through ethernet(RJ45), but here are some problems 1, Does cortex-m debug register(FP_CTRL, FP_COMP0) only be accessible through the Debug Access Port (DAP) interface ?...
View ArticleARM: how to debug uvision in simulation (8 Replies)
Hi, I am using uvision 5 in windows 7 64 bit os. My device is FRDM KL46Z. In my device, i can debug any code. However, in simulation i can not debug. There is not any errors but in assembly line when...
View ArticleC51: AT89S8351 development board
hello everyone. I have a development board having an AT89S8352 microcontroller. I cannot communicate this board with the keil. Can anyone help me for this? I wrote a simple program as given below: org...
View ArticleARM: Keil C Fatal error: C3906U: Malformed via file (2 Replies)
After setting up Keil-IDE, I try to compile a sample project and it came with an Error like Fatal error: C3906U: Malformed via file. Here's what I got. http://pastebin.com/u/thuongmnguyen
View ArticleARM: USB HID example
Hello All! I use EFM32GG332F1024 on my own PCB. I'm trying to create a USB HID interface for communication with a Host (personal computer)! As a guide I use...
View ArticleARM: Full chip Erase in KEIL
Hey guys. Does any one know what is the use of full chip erase that is in the utilities tab in keil uvision4? I used it once and after that my controller didn't program any more,but after some...
View ArticleARM: how to avoid generate _ARM_common_switch8 in switch case (1 Replies)
Dear all I would like to avoid generation on "_ARM_common_switch8" in switch case / MDK ARM. I cannot change the source code because of its porting past product. it may be difficult to use compiler...
View ArticleNone: Cross-domain requests，use RL-TCPNet HTTPServer
Dear RL-TCPNet is great, but I found one of the biggest problems with this RL-TCPNet that it is not easy to change the HTTP header. For example, I want to change Content-Types to better support json;...
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