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DMA enabled ADC with FreeRTOS

Posted on August 19, 2014 at 05:39I enabled ADC with DMA as such: With the DMA continuous requests, the program will just loop in DMA1_Channel1_IRQHandler and the FreeRTOS thread will never run. Does anyone have any idea how to resolve this? I have...

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jephua by Associate II
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noob question: DAC or GPIO Analog? STM32F3-Discovery

Posted on July 08, 2015 at 19:07Hi, I have got the need to track a continuously changing value and I had the idea to use D/A conversion to convert my variable into a voltage and track it with an oscilloscope or even voltmeter. Which should this be d...

stm32f4 triggered ADC, Data corruption

Posted on March 27, 2014 at 15:55Hi,I have been playing with ADC of stm32f4, i triggered ADC with TIM4_CC4 event to sample at 8Khz, using DMA. All individual components are working well but once combined i get alternate samples missing, i observe it...

usama by Associate II
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  • 10 replies
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Receiving bad character through the USART

Posted on July 10, 2015 at 17:36Hi, I am working in a wired point to point communication system but I have a problem receiving characters. I have two electronics communicating each other through USART. I want to send a char periodically from the tr...

mnemxys by Associate II
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HAL bug with 1-byte I2C reads

Posted on June 26, 2015 at 00:17Greetings all,I'm using the 1.6.0 release of the STM32F4xx_HAL_Driver, and I believe there's a problem with doing 1-byte I2C reads using the HAL_I2C_Master_Receive_IT function.Doing reads of more than one byte works f...

malcolm23 by Associate III
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  • 3 replies
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I2C

Posted on July 10, 2015 at 11:17Hallo Every One I try To Communicate with PCA 9539 PORT EXPANDERand Here Are My Code &sharpdefine slave_add 0x74uint8_t mem[10];/* USER CODE BEGIN Includes *//* USER CODE END Includes *//* Private variables ----------...

herrusw by Associate II
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  • 1 replies
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