ARM: CMSIS UART triggers ARM_USART_EVENT_RX_TIMEOUT (5 Replies)
Using the UART I need to pause out my characters like this. USARTdrv->Send("A", 1); osDelay(20); USARTdrv->Send("T", 1); If I don't my device does not reply at all. When spacing it out...
View ArticleARM: Can anyone explaine this logic? (1 Replies)
while (1) { USARTdrv->Receive(&cmd, 1); /* Get byte from UART */ osSignalWait(0x01, osWaitForever); if (cmd == 13) /* CR, send greeting */ { USARTdrv->Send("\nHello World!", 12);...
View ArticleNone: for those of us that have both 8 and 32 bit (4 Replies)
for those of us that have both 8 and 32 bit it would be awfully nice if the icons were different
View ArticleARM: How to revert to Keil uVision 5.25
At the start of the semester our professor had us download the evaluation of Keil uVision 5.25 to do our labs. When the software was updated to 5.27 it no longer seems to support the PEMicro debugger...
View ArticleC51: Syntex error near(c141) error (3 Replies)
I am using At89x52 microcontroller in the solar tracker. I use the ADC MCP3208 to connect the two ldr and convert it into digital signal by ADC MCP 3208. But,it shows syntex error in code. Help me...
View ArticleARM: Keil 5.27 "Windows 1251" (4 Replies)
Hello! We have a problem using the new Keil v5.27.1. The new editor does not allow you to print characters in Windows 1251 encoding. Before that, Keil v 5.24 a was used and there were no problems with...
View ArticleARM: IMXRT1052 debugging and flash writing with ULINK2
How come the ULINK2 downloads to flash so slowly for this processor and the ULINK pro and other debuggers don't work at all? Is this an NXP issue or Keil issue? Writing 4227600 bytes to address...
View ArticleNone: SWD communication issue (7 Replies)
I'm using LoRa development board from Acsip based on STM32L073RZ micocontroller (ARM Cortex M0+ family). SWD pins on this board is as following: 3.3V, SWD(/A13), SWC(/A14), GND. Initially swd...
View ArticleARM: RTX: osSignalSet wakes a lower priority thread. (1 Replies)
Hello. I have a thread that waits for up to n signals before sending a specific message. This is a low priority thread that should only send the message after the higher priority thread sleeps. The...
View ArticleARM: Debug (printf) Viewer output preceeding main()
Running on STM32G0 Nucleo (Cortex-M0+) (DAP) I get this output in "Debug (printf) Viewer" window - before main() is called: Apr 29 2019 09:36:10 29.04.2019 = 7221 09:36:10 Who is sending this output ?...
View ArticleC51: No header files installed (2 Replies)
Hi - I've installed the eval version of the C51 compiler as we are searching for a tool to use in and upcoming project. I've noticed that many of the standard C header files are not found. In...
View ArticleC51: Use 8051, How to transfer the correct signal and check it in putty (1...
I used the KEIL software to program the AT89C51ED2 chip, and I used the USB port to view the data transfer by PUTTY. But in the PUTTY, I can't get accurate information. The code looks fine, the COM...
View ArticleC51: Still wondering about Supplied Libraries with C51 (4 Replies)
I am still hoping someone can educate me on what I get when purchasing the C51 development package. After reviewing the online manuals, it appears that the libraries supplied are rather limited. For...
View ArticleNone: SMTPS MbedTLS TLS not working (11 Replies)
Hi, I am using Keil v5 (RTX5) with the EVBK-IMXRT1050 board. I have successfully sent an email using the example code given through the pack installer, SMTP_client. Now I want to send a secure email,...
View ArticleARM: RTX4 millisecond limits rather low (1 Replies)
In RTOS1, e.g. in RTX4.xx, calls like osSignalWait() take a timeout which the caller passes in units of milliseconds. This millis value then undergoes a transformation to systicks in rt_ms2tick...
View ArticleNone: RTOSv2+STM32+STOP mode
Hello, I am using CMSIS RTOSv2 running on a STM32F407 and I am trying to use the low-power STOP mode to put the micro and system to sleep and save power. When the system exits the STOP mode, via an...
View ArticleARM: How much of a RAM we can use in our program (12 Replies)
Hi, I'm using LPC1768 controller keil v5.24.2.0. In the LPC1768 controller i put tcpip,http stack and some other application to it. While executing data memory reaches around 32700 it works well. But...
View ArticleARM: Configuring stack size and direction to avoid stack overflow (2 Replies)
Hello, I'm using a Cortex M-4 processor (STM32F4) and I recently encountered strange behavior of my code after minor modifications that were not directly related to the problems I was seeing. After a...
View ArticleARM: Using no_scanlib
My program compiles great when I include arm std libs but on using --no_scanlib linker flag, it generates the __aeabi_uldivmod,__aeabi_memcpy & __main undefined at link time arrors. Where can...
View ArticleC51: Address Space Overflow (1 Replies)
Hi, I m using PK51 professional kit V9.59 & 71M6543G (5Kb RAM, 128 KB Flash) Microcontroller. When I m building my code, I m getting following errors. 1. ERROR L107 Address Space Overflow. 2....
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