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8
votes
1answer
1k views
Drawing on 8x32 LED matrix with 74HC154
How do I send a pattern into an 8x32 LED matrix? I'm using the AT89S52 microcontroller with a 74HC154 4-16 line decoder, programming in C with the Keil IDE. I've done vertical scanning, but am stumped ...
7
votes
2answers
2k views
How can I use a build server with Keil uVision4 (MDK-ARM), script a build, use a makefile?
I would like run daily builds, or check-in/commit triggered builds of Keil MDK-ARM based projects. So far I've gotten things going with the batch file feature of the IDE. This does require you to ...
3
votes
3answers
4k views
How to implement delay functions in Keil ARM MDK
How to implement delay function in Keil ARM MDK that waits given time in microseconds that can be recompiled to any reasonable clock speed defined in Keil project settings ? And all of this without ...
2
votes
1answer
2k views
Bug in Keil ARM compiler with interrupt handlers and C++?
I have a problem with writing interrupt handlers in Keil ARM compiler for LPC1114. When I write program in C++ and specify --cpp compiler option all code from interrupt handlers disappears, it is ...
2
votes
1answer
779 views
Init code for reading and writing SD card with MCS51?
Do you know how to interface SD card with MCS51,
AT89S52 with SD card and
code example in Keil if there's any...
Thanks for the info...
2
votes
1answer
95 views
Writing parameters into Code memory at Run time during Initializations - 8051
I need to make this possibly. I am using keil IDE and the AT89c51RD2 MCU.
At initialization, a function will be called to derive about 1500bytes. I want to write this byte to code memory (byte by ...
1
vote
2answers
65 views
Function called in ISR and Overlay Directive -Keil / 8051 core
My C code has an ISR, where a decision has to be made to execute a particular function "A". Now I know that its not good to run a function in an ISR. But in this case of my application, I do not see ...
0
votes
0answers
22 views
Problem running C++ function from STM32's SRAM in Keil microVision
I'm using Keil uVision 4.6 to write a C++ program for SMT32F103RE.
I need to run one of my program functions directly from SRAM, so I devided my SRAM into two separate regions:
...
0
votes
1answer
648 views
STM32, Keil and *** error 65: access violation at 0x60000000 : no 'write' permission
I tried to run LCD software in Keil for STM32, but I got
*** error 65: access violation at 0x60000000 : no 'write' permission
Do you know how to solve that error ...
-2
votes
3answers
313 views
