What's a PIN's (AF PP mode) status before it's peripherals ENABLE?
Posted on November 08, 2014 at 07:33For example, PA9 as USART1 TX pin, it's L, before USART1 is enabled.
STM32 MCUs Products
Ask questions, find answers, and share insights on STM32 products and their technical features.
Forum Posts
Hard fault with stm32 std peripheral library
Posted on November 13, 2014 at 12:23Hi, This is a pretty noob question but I'm going to ask it anyway, because it seems like I'm missing something. I've just set up new STM32F1xx and STM32L1xx projects based on the GNU ARM plugin for eclipse. I'm w...
Two questions about the A/D
Posted on November 13, 2013 at 17:31 Hi, I am successfully running most of my software, and I am now debugging the A/D. I first used the examples verbatim, to understand what I am setting up. I gave now modified the code, and have two questions: Th...
STM32F429 LCD and Images
Posted on November 14, 2014 at 03:46Hello everyoneCan someone explain to me in detail how to display an image on the touch screen? I have been looking for some kind of tutorial but I can't find any. I've been looking at the LCD_WriteBMP command, but...
STM32F4 Disc - ADC sample time
Posted on November 14, 2014 at 15:10 Hi, I have this code, copied from anothers 3d in this forum, for a multi channel ADC: #include < stdio.h > #include < stdlib.h > #include < string.h > #include ''stm32f4xx.h'' //*******************...
systick is stopped? while erasing flash memory
Posted on November 14, 2014 at 10:39On stm32f407, Erasing a 128KB flash sector takes about 1 second, but after I finished erasing 1 sector, the systick just happend for 3 times(3 milliseconds), as I config systick as 1000Hz.Does MCU disable systick ...
How to robustly protect a STM32F4xx against code extraction...
Posted on November 14, 2014 at 00:18Hello ST gurus! Our company is seeking to protect its IP as much as possible from code extraction before products are shipped. We understand the STM32F4xx has protective features to prevent code extraction via JTA...
Bug Report STM32F10x_StdPeriph_Driver
Posted on November 14, 2014 at 18:14Hi, I'm just starting on ARM CORTEX and STM32 via The Spark Core so forgive me if I'm missing something but in file stm32f10x_tim.cFunctionvoidhttp://stm32.kosyak.info/doc/group___t_i_m___exported___functions.html...
configure gpio for external interrupt
Posted on November 14, 2014 at 14:53Hi I am using STM32F205 for my project (SN8000 EVK from Murata).The SN8000 EVK uses Wiced SDK but it supports all the libraryfunctions, so the basic configurations will work(It uses vector tables in the vector_ta...
STM32F4xx: I2C multiple slaves, very strange behavior
Posted on October 16, 2014 at 12:25Hello all,I'm attempting to talk to two devices, a barometer (MS5611) and a magnetometer (HMC5883L), using I2C with DMA on an STM32F4. The barometer runs on a timer (10ms), while the magnetometer runs through an in...
