C51: STEPPER MOTOR DEGREES (1 Replies)
1.- A) A step motor has a step of 7.5°, make a program to make the motor only one turn in any direction and in any step mode. B) If the stepper motor is connected through its axis to a wheel...
View ArticleARM: include path problems (1 Replies)
receiving the following error in MDK Lite 5.23 uvision5 for arm lpc1768 C:\Keil_v5\ARM\PACK\Keil\LPC1700_DFP\2.3.0\RTE_Driver\UART_LPC17xx.c(75): error: #5: cannot open source input file...
View ArticleARM: Fastest memory copy approach: CMSIS Vectory Copy or Memcpy (3 Replies)
Hi, I have a large vector that resides in STM32F407 Core Coupled Memory (CCM) while another vector in SRAM. Am looking for a better way to copy from one to another besides the traditional memcpy...
View ArticleARM: Error L6200E (2 Replies)
Hey there ! I had been trying to write a code for mmc interface with stm32f103c8 and i'm getting some error. .\Objects\main.axf: Error: L6200E: Symbol disk_initialize multiply defined (by code.o and...
View ArticleC166: Third-party USB libraries support in uVision Essential
Does the Keil uVision Essential licence allow to use third-party USB libraries, like for STM32?
View ArticleC51: error in c51 microcontroller (4 Replies)
hi, i am getting error in keil v8.xx when i open the project and trying to build it show tool set undefined.TOOL.INI does not contain tool path.And you have selected the device where no toolchain has...
View ArticleNone: how to set access breakpoint on variable
How do I set a break point when a variable is written? I have a value in my watch window. I click on it and select "set access breakpoint at somevariable name". It pops up a dialog, I can select write...
View ArticleC51: Inconsistent warnings about different data types ? (6 Replies)
C51 COMPILER V9.53.0.0 LX51 LINKER/LOCATER V4.66.30.0 I have the following (relevant) lines of code: extern xdata uint8_t rtu_rx_buf[]; extern xdata uint8_t rtu_tx_buf[]; . . . struct{ uint8_t func;...
View ArticleARM: [BUG] CMSIS Driver I2C, I2C_CR1_POS flag (3 Replies)
Driver doesn't clear I2C_CR1_POS after 2-byte reception in DMA mode. There is no problem when DMA is not used. I've created a new thread because the old one became read only:...
View ArticleARM: Input through serial port causes random characters when in debug mode...
Hi, I am working FRDM K64F and getting some issues when I use CMSIS-DAP as debugger. I am using serial port for input and output strings. Output is as expected but when input characters they are very...
View ArticleARM: FRDM K64F Firmware update (1 Replies)
I am trying to update firmware in FRDM K64F board. When I update it to 0226_k20dx128_k64f_0x5000.bin, it works fine. But it seems like not a latest one. When I update it to k20dx128_k64f_if_mbed.bin,...
View ArticleARM: Download KEIL uVision 4 (4 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: Mutex not Released. Which Thread holds the Mutex?
Hello, I have a problem with an application using the KEIL RTX. The application consists of 30-40 Tasks which use several Mutex to control the access to shared ressources. The problem I have now is...
View ArticleARM: Problem building RTX5 for Cortex-M4F with ARM Compiler v5
I have recently tried to create my first project using RTX5. I believe I have the basic pieces set up correctly, but when I try to build the projects I get errors building rtx_kernel.c compiling...
View ArticleARM: Ethernet example for LPC4357 (1 Replies)
Hi everyone... I want to use Ethernet in LPC4357 cortex controller... PHY I am using is LAN8720i IC. I have found one .c file regarding LAN8720 driver in CMSIS in KEIL. I am searching for example...
View ArticleARM: USB CDC exemple dont work in debug
Hi all I'm working on a STM32F303CC very simple board. I need to use a USB Virtual COM (CDC) for a MtoM data transfer with a Windows PC I set up BSP with STMCubeMx and compiling/debuging with Keil V5...
View ArticleNone: I am compiling code for stm32f407 family (1 Replies)
*** Using Compiler 'V5.05 update 2 (build 169)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin' Rebuild target 'STM324F_GPIO' assembling startup_stm32f40xx.s... compiling misc.c... compiling stm32f4xx_gpio.c......
View ArticleARM: rtos
Hello I need help. I am trying to learn basic of RTOS programming. I am using keil compiler 5 version. I am looking for source code. please tell me where to download source code. does keil compiler...
View ArticleC51: Project compiles with no errors but will not build (7 Replies)
Hey, I've looked around on Google and through these forums. I cannot find a solution to my problem. I'm willing to try suggestions and am eager to figure this out. The problem: I have a project that...
View ArticleARM: Keil uVision: ST-LINK USB communication error (3 Replies)
I'm using Keil uVision V5.22.0.0 and I'm trying to work with a STM32 Nucleo board, which has ST-LINK built into the board. When either debugging or downloading to flash using uVision, it works for...
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