STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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HAL UART and USART

Posted on April 29, 2015 at 14:13I'm still confused by HAL UART API. I'm using latest STM32Cube (4.7) for stm32f103rb.In the latest HAL there are two files - stm32f1xx_hal_uart.c and stm32f1xx_hal_usart.c. In the UM1850 (description of STM32F1xx HAL...

amomum by Associate III
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USB Device s/w hang during USB Disconnect

Posted on April 28, 2015 at 13:56Hi All,Hi, I am using the STM32F407IG microcontroller. I am using the USB HID example provided by ST. This code is configured to make USB as USB Device and Self Powered rather than bus powered. In our board since th...

Switching/selecting ADC source

Posted on April 26, 2015 at 19:36 I am using Cube generated code, exported to EWARM, running on a Nucleo L053R8 board. My question is how to select the active ADC source outside of the ADC initialization code. For instance, with channel 12 and 13...

joe2399 by Associate II
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handling Boot0 floating input

Posted on April 22, 2015 at 22:03Hello,Unfortunately, we've manufactured a large batch of boards with the STM32F103's BOOT0 pin left floating, and not pulled high or low.  As a reliable fix (besides soldering jumper wires) for this issue, can the Bo...

brianj by Associate II
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  • 11 replies
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USB communication between 2 microcontrollers

Posted on April 23, 2015 at 20:26I have a smt32f3discovery and with him I want to create a ''virtual USB host'' in order to access the endpoints of the other controller. I wonder if this is possible or is there any code or library written for it or ...

esovo1 by Associate II
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  • 1 replies
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STM32F4 Processor Load

Posted on September 19, 2014 at 04:43Hi, Is there a way to measure CPU load on the device? Using IAR EWARM 7.2 if that makes any difference. I did a search but could find anything. The usual cryptic Google returns to adwords. 8--) #freertos #prof...