STM32 MCUs Embedded software

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Resolved! HAL STM32L0: DeInit of WWDG

Posted on July 22, 2016 at 10:28Hi, since the WWDG of the STM32L0 series can be deactivated only by a hardware reset I don't understand the purpose of the function HAL_WWDG_DeInit in the HAL (v1.7.0). The function and its description suggest, that I...

dost by Associate II
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Weird USB enumeration issue

Posted on July 18, 2016 at 19:39Hi, Got a weird enumeration issue on a USB device in my USB host implementation. Using STM32F746Discovery with CMSIS/HAL, re-utilising one of the provided USBHost library examples. I have a specific external USB devic...

sv1eia by Associate II
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USB CDC on microC/OS II?

Posted on June 29, 2016 at 03:30I've generated a test app using STM32Cube for a STM32F407 Discovery board and have been able to send and receive.  I am now trying to port the code to run under microC/OS II.  I have modified the ISR to include the uC...

STM32F072 Timer Slave Mode Configuration

Posted on July 16, 2016 at 21:37 Hi, I need to measure the time a PWM signal spends high. I have the input capture side of this working fine, but with IC mode set to both edges, there are occasional issues with the signal measurement. ...

[STM32F042] I2C slave receive only address

Posted on October 19, 2015 at 13:48Hi,for last three days I try to communicate with my STM32F042 (working in slave mode) but it doesn't work correctly. There is no data in RXDR and busy flag is set after correct receive of address (ADDCODE flag is s...

HAL Interrupt Driven I2C OVR Error

Posted on July 13, 2016 at 23:05I am attempting to implement an interrupt driven I2C slave on the STM32L051. The problem is that I keep receiving the HAL_I2C_ERROR_OVR error in the HAL_I2C_ErrorCallback. The below code is just an example and is conf...

devin by Associate
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