ARM: Optimized function "Vector Logical AND"
I have an array of uint32_t and I need to perform a logical AND over every element; the purpose is to clear some bits of the elements. The C code would be for(i=0; i<blockSize; i++) { a[i]...
View ArticleARM: How can I create a user defined protocol for communication over UART? (1...
I need to use STX, ETX, Length, Data, Checksum , CMD(Command) bytes in my protocol structure. Data and Length will be variable fields where length refers to length of data. I am new to Embedded c and...
View ArticleARM: Composite Device on stm32f437xx with Full Speed CMSIS Driver
I have some trouble to configure my u-controller as a composite device. I followed the tutorial on http://www.keil.com/pack/doc/mw/USB/html/dev_comp_tutorial.html. The example projects HID and mass...
View ArticleARM: USB_CM3 Library
I am currently trying to write a driver for a custom class usb device. I believe this requires editing of functions held in the USB_CM3 library. I have tried to find the location of these functions...
View ArticleNone: LPC43xx series
Hello all, I am new to Multicore. I am working with LPC43xx series. I am trying to work with LED blink example and trying to know to handle the cores individually. When I read online,there are many...
View ArticleARM: Commands getting underlined in red even though they are not errors
Why do some of the commands in my program get underlined with redlines even though they are not errors/warnings. What does that supposed to indicate?
View ArticleARM: Can't import error free STM32CubeMX project in KEIL
Hi I am setting up a project in cubeMX. But there is problem in KEIL when in import it. It is saying that KEIL:STM32L0xx_DFP not found. I have checked several time that i have installed it from...
View ArticleARM: Keil CMSIS USART flow control and STM32
Hi, I am using the STM32F437 USART with Keil PPP and a 2G/4G modem. Keil's PPP client uses Keil's CMSIS USART driver. The STM32F437 USART has an automatic flow control feature. CTS and RTS will be...
View ArticleNone: Compiler error #3734 (1 Replies)
Hello, compiling my source code, I encountered the following compiler error: "no source": Error: #3734: __packed qualifier dropped when passing argument to unprototyped function The MCU architecture...
View ArticleARM: The ## macro operator doesn\t work in the ARM compiler 6
The ## macro operator doesn\t work in the ARM compiler 6 for example, the following code can be compiled well using ARM compiler 5.06: However, it does not work with ARM compiler 6 #define...
View ArticleARM: uvision skipping lines, debug? (1 Replies)
I have a project I tried cleaning and rebuilding but debug is skipping lines. while (1) { 1 Delay(); //delay 200ms 2 CanWriteData(0xA544); 3 Delay(); //delay 200ms } I put a break point on 1,2 and 3....
View ArticleARM: DS-MDK IMX6 support (3 Replies)
Hello! Does the DS-MDK IDE support IMX6Q? Thank you in advance!
View ArticleNone: STM32 undefined HAL symbol (5 Replies)
Hi All, I just started learning ARM and I got a STM32L0 Nucleo board with Keils uVision5 as the environment. I used STM32Cube to generate the start-up code and got a blinky example and a button...
View ArticleARM: keil uvision4 (3 Replies)
Can anyone please help me, from where i will get the Keil UVision4 download. I am currently having Keil uvision 5, but somehow not able to use ARM7 LPC2148 while creating the project. Can anyone...
View ArticleARM: Undefined symbol error , L6218E
*** Using Compiler 'V5.06 update 5 (build 528)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin' Build target 'Target 1' linking... .\Objects\Auto Chef 20170601.axf: Error: L6218E: Undefined symbol DealRec...
View ArticleARM: STM32F103-- sys/types.h no such file or direcory
Hi, I'm compiling STM32F103 code and I'm getting following error ..\1\platform\syscalls.c(13): error: #5: cannot open source input file "sys/types.h": No such file or directory sys/types.h...
View ArticleC51: MACROS TOO NESTED (1 Replies)
C51 FATAL-ERROR - ACTION: PARSING SOURCE-FILE ERROR: PREPROCESSOR: MACROS TOO NESTED C51 TERMINATED. PLEASE TELL ME HOW TO SOLVE THIS ERROR.
View ArticleARM: _sys_exit(int x) error (1 Replies)
*** Using Compiler 'V5.06 update 5 (build 528)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin' Build target 'Target 1' compiling usart.c... SYSTEM\usart\usart.c(30): error: #260-D: explicit type is missing...
View ArticleARM: fmount function returns fsNoMedia, error code 0x0A (4 Replies)
Hi, I am using Keil version 5.23 and controller STM32F417IGHx and SD card MicroSD 128MB. SD card drive M0 is getting initialized using function finit but when I am trying to use function fmount,...
View ArticleC51: Communication using HC 05 in 89s52
First off I am new to all this. I am trying o make a pick and place robot using 89s52 with Bluetooth communication. I am using Bluetooth spp pro in my Android phone. When I press the reset button...
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