STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

TIMER GET COUNTER VALUE

Posted on February 03, 2016 at 10:51 ulStart = __HAL_TIM_GetCounter(&htim17) / ulClkFrq ; do { /* TimeOut Check */ ulNow = __HAL_TIM_GetCounter(&htim17)/ ulClkFrq; // ulNow = __HAL_TIM_SetCounter(&htim17, count)/ ulClkFrq; if( ulStart > ulNo...

IAP: Secure firmware update guidelines

Posted on January 29, 2016 at 11:17I've implemented DFU-OTA over GSM network with Fail-back feature (reverting back to older firmware if the upgrade failed, sudden shutdown during the upgrade and in the event of network error) and so far it seem to ...

gmate1 by Associate II
  • 2550 Views
  • 15 replies
  • 0 kudos

STM32F427 Can spitting random garbage

Posted on February 04, 2016 at 16:20 Used the STMCubeMX to generate the code. STM32F429I disco board, CAN running at 500k. I added a very simple to the loop, hcan1.pTxMsg->StdId = 0x11; hcan1.pTxMsg->ExtId = 0x01; hcan1.pTxMsg-...

0690X00000605LIQAY.png
Just Matt by Associate III
  • 604 Views
  • 1 replies
  • 0 kudos

STM32F4 USB CDC Transfer Problems

Posted on February 03, 2016 at 20:17 Hello, My first post here, so please let me know if I leave any important information out. I am using the MCU as a USB CDC device attached to a BeagleBone Black, with the following settings: ...

awoods177 by Associate II
  • 1115 Views
  • 3 replies
  • 0 kudos

Relation between SAI clocks and frame sync frequencies

Posted on February 04, 2016 at 13:26I find that the STM32F4 reference manuals are a bit confusing regarding the relation between the SAI clocks SAI_CK_x, MCLK, SCLK and the FS frequency Are the following 2 interpretations correct? 1) In master mode...

shaun by Associate
  • 331 Views
  • 0 replies
  • 0 kudos

CAN Bus on STM32F303x

Posted on February 04, 2016 at 11:40Having a problem getting it to work properly using polling. Reading the STM Peripheral Library PDF it says this:3. Initialise and configure the CAN using CAN_Init() and CAN_FilterInit() functions.4. Transmit the d...

gbigden by Associate III
  • 364 Views
  • 1 replies
  • 0 kudos

STM32F429I DISCO Win 8 Driver

Posted on February 04, 2016 at 04:54I regretfully bought a STM32F429I DISCO board and I plugged it in to my Win 8 PC. I was hoping to use this platform with mbed. Well the board is supposed to show up as a usb device but it doesn't.I installed the d...

ejanuska by Associate II
  • 501 Views
  • 1 replies
  • 0 kudos

STM32F2xx single ADC channel with DMA mode value > 4095

Posted on February 04, 2016 at 07:26I am getting ADC value on GPIOB Pin 1, using DMA, with continous conversion mode enable.The ADC value that i obtain is > 4095, is this normal.Below is the table of adc value that i obtain compare to the real volta...

ho by Associate II
  • 1115 Views
  • 6 replies
  • 0 kudos