C51: accessing 8051 internal expanded memory
I am working to port older code to an Atmel AT89C51AC3, I have the system basically running but have run out of data space while tweaking the code to handle timing constraints. The AT89C51AC3 has 2048...
View ArticleC51: Inconsistent build results (4 Replies)
We are using C51 v4.06 (I know, very old) on a released product. I'm trying to recreate a build we have in the field. If I do a clean and a build, I can reproduce the image we have in the field;...
View ArticleARM: RL TCPNet for large packets (10 Replies)
Hello, I'm using RL-TCPnet with RTX in order to develop an Modbus TCP application. Everything works fine until the application tries to send some packet greater than 1460 bytes of data. I'm using...
View ArticleARM: breakpoint line (2 Replies)
1 firmware_revisions(); 2 3 WriteUIversion(); line numbers above for reference if I want a breakpoint on line 3 I must highlight line 3 before clicking f9 is this just "we know it is screwy" or can I...
View ArticleARM: help with print view debug. no oputout. (1 Replies)
chip st32f205 I followed this guide http://www.keil.com/support/man/docs/ulink2/ulink2_trace_itm_viewer.htm and I get no output in the debug view, if I change the coreclock I see garbage in the debug...
View ArticleC51: Old Keil C51 Compiler Downloads that read *.wsp files? (2 Replies)
Does anyone know how I could download an older version of the C51 compiler/IDE that can read a *.wsp file? I believe this to be a project file. When I look at it in Notepad, it looks like this:...
View ArticleARM: printf ITM with RTX RTOS (4 Replies)
Hello all, I am having an issue with using the 'Debug (printf) Window' to display debugging messages as the code runs. Upon startup I print simple initialization messages using the printf function...
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: Timestamp Error! in Event Viewer
Using µVision V5.24.2.0 with ULinkPro V1.58 on target LPC1343 (Cortex-M3, 72 MHz) via SW. Event Viewer always stops with message "Timestap Error!". Tried all Timestamp Prescaler (1, 4, 16,...
View ArticleARM: Accessing external RAM for heap allocation. (1 Replies)
Hi, I have two RAM on my board. I am using external ram which starts with address : 0x6000000 External RAM size : 1Mb Internal ram which starts with address : 0x2000000 Internal RAM size : 128 kb As I...
View ArticleARM: can will not get receive envet. (2 Replies)
using the can implementation below is giving me some strange results. void CAN2_SignalObjectEvent (uint32_t obj_idx, uint32_t event) { if (event == ARM_CAN_EVENT_RECEIVE) { // If receive event if...
View ArticleNone: uVision idea has stopped working message after exiting ide (5 Replies)
Hello All, I am using uVision v5.15 targeting arm cortex processors. When I exit the application I get a windows (windows 7 Pro SP 1)error message saying that "uVision IDE has stopped working" with...
View ArticleARM: LPC2138 debug problem (1 Replies)
I'm reprograming a customer old PCB's with LPC2138 ARM7 MCU's using Segger jlink with JTAG wires, all OK. I'm viewing that, If I use global or function static vars debugging is not posible, but in the...
View ArticleNone: ZI Data extends area assigned in linker script (1 Replies)
Hello, i read a little bit about zi-data in the other threads here. I'm glad that it's possible to ask such "easy" questions which could also be answered "just" by reading a few hundred pages of...
View ArticleARM: Hardcoded Breakpoint Preventing Program From Running
There is an issue (it's not a bug because of reasons) where if you use armclang at -O0 optimisation with no parameters specified in the main function, the initialisation code contains a coded...
View ArticleNone: Allocating memory region
Hi, I am working with STM32L053 MCU. I am trying to place a header structure of an image in 4k size flash area. I am using __attribute__((at(0x80001000)));to place the structure at specific address....
View ArticleNone: Keil uVision4 - Floating Licence issue when using batch file... (3...
Hi All, So our dev team are using Keil uVision4 to compile a job. This works fine on their machine and on a windows server when the batch file is manually run BUT when the job is run via hudson (also...
View ArticleARM: EFS on SPI NOR FLASH and STM32F2xx uC
I am using a STM32F207IG microcontroller, a SPI NOR Flash (M25P16) with Keil::MDK-Middleware EFS v6.2.0. Init and Mounting works. Even "fcheck", "finfo()" and "ffree()" works. I can write a file...
View ArticleARM: freezing during hal_flash_program (1 Replies)
With a bit of assistance from Keil I implemented a smaller version of the eeprom emulation. Essentially we just left a gap in sector 0. Then changed the start vector to jump to sector 1. Then I was...
View ArticleNone: could'nt find lpc2148 module.. (3 Replies)
I am using Keil microvision 4 for simulations... But I could not find LPC2148 module in the software pack. What supporting software should i use for getting LPC 2148 while selecting my project. Help...
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