Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on June 19, 2014 at 18:02Hi guys, looking for some help with a USB device I have which has 2 interfaces. The first interface is HID, and the second is MSC. I've modified the USB Host library so that it doesn't it doesn't fail in the MSC Inter...
Posted on February 23, 2015 at 23:53Hello everyone,I juste received an ulinkpro so I can use the ETM feature later on in my development. Right now, I am trying to simply display a variable in the logic analyzer but I get no synchronization. I read...
Posted on December 05, 2014 at 19:19Hi,i'd like to connect an external sdram to stm32f429ii controller. There is a question, is it necessary to use dqm pins? i want to use MT48LC4M32B2 sdram.
Posted on February 23, 2015 at 15:03 Hello,I'd like to use an quadrature encoder connected to my STM32F4 Discovery Board.I have connected the A and B outputs to PC6 and PC7. CH1 and CH2 of TIM8.It works pretty good, the timer counts.Now I'd like to...
Posted on February 14, 2015 at 13:46 What is the best way to implement chip select in software? I've tried doing it this way: HAL_GPIO_WritePin(NSS_PORT, NSS_PIN, GPIO_PIN_RESET); HAL_SPI_Transmit(&hspi1, out , 1); HAL_GPIO_WritePin(NSS_P...
Posted on February 23, 2015 at 16:29Hello,I´m trying to update my application with the Preprogramed bootloader by apropiate uart and pins BOOT1/0 according to that task.I could use this application to do that, couldnt I?My Keil compilation makes 2 f...
Posted on February 19, 2015 at 09:09I can program the stmf32f334 chip without problem with the desktop version ''FlashLoaderDemo.2.7.0'' - it is Ok. But the command line version gives error: ''The instruction of ''0x7c911699'' referenced memory of ...
Posted on February 19, 2015 at 16:28Hello, i want to generate a periodic pulse of 5V into a pin using a TIMER. Has someone a code similar to this? Thank you #timers #stm32f4 #stm32f407 #discovery
Posted on February 23, 2015 at 10:33I am having a custom board with STM32407ZG, the board also has AS1115 driver IC for supporting the keypad and led lights. Is there any example relating to this combo? #stm32f407zg #- #as1115 #example
Posted on July 31, 2014 at 10:46I hit an issue with our STM32L project that is giving meheadaches.We have recently upgraded from STM32L151VB to STM32L151VC as we needed the extra RAM.Migrating the code though, has started triggering HARDfaults with ...
