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I2C HAL For Protocols With Length Specified in Data

Posted on January 15, 2016 at 15:25I need to read from a device with a variable length response, where the length of the following data is specified in the first byte received.  I don't see a way to accomplish this using the HAL, as it appears you n...

jon2 by Associate II
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Resolved! I2C HAL_I2C_ERROR_AF is set and the 2nd byte is not transmitted.

Posted on February 05, 2017 at 08:44using CubeMX V4.18.0. and uV5,  stole parts from the '091 examplesI can see the ACK from the slave device, on the Oscilloscopebuttrying to send 0x68, 0x0E,0x00,0x00 as a packetit sends 1 byte the 0x68 and stops.wh...

T J by Lead
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hall sensor in stm32f103

Posted on June 10, 2017 at 12:58HiI am using stm32f103 to drive a BLDC motor with hall sesnors, I have found that stm32f103 has hall sensor mode to detect the motor posostion. how can I use this capability of stm32?* I am newly learning stm32 tnx

HAL method to output timer overflow interrupt to a pin?

Posted on June 10, 2017 at 03:25I think I'm not understanding the terminology, or something. I want to generate an external interrupt at a pin, when timer 2 overflows. I can generate an interrupt with the timer/counter just fine, it's the output to ...

Parameter sizes in function calls

Posted on June 09, 2017 at 18:02I used to hear that one might as well make function parameter ints or the native size as chars and shorts would be promoted before going on the stack.But now we have fast variables, etc. Does it still make a differenc...

John Hite by Associate III
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STM32F469 touch screen

Posted on May 31, 2017 at 21:50Hello,I have the STM32F469 and I try to program it via Flowcode software by Matrix TSL. I create a code and uploaded it to the STM32F469. Now the only thing I get is black screen. Previously the module was working ok a...

AN2606 Update for STM32L452

Posted on May 23, 2017 at 03:27I'm looking at what I believe to be the latest version of AN2606 (Rev 30) and I do not see the new STM32L452 chip covered.  I'm looking for this because I have an STM32L452CEU6 that I'm having trouble with.  I assumed ...