Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on March 21, 2013 at 08:24I have the STM32F4 communicating with hyperterminal on windows 7 using a serial cable. My discovery board is plugged into an Embest expansion board which breaks out to an RS232 serial port and at the PC end I have a ...
Posted on December 23, 2014 at 21:53I'm stepping through my code to see where a certain bug occurs with my display driver, and found that something strange is going on. An instance of the class gets initialized properly, but once I try to use a meth...
Posted on December 18, 2014 at 16:15Hello to everyonei have being used to std library on stm. Now i passed to Hal library. I write an Usart code. I i dont use intrerrupt its work correct. But whe i set interrupt routine its not enter to RXNE IRQ han...
Posted on December 23, 2014 at 22:39 I'm trying to transfer data from DMA to SPI3,but my code can't enable DMA1_Stream7! Someone please hepl me!!! Thanks you very much! This is my code: #define CODEC_I2S SPI3 #define I2S_STANDARD I2S_S...
Posted on December 23, 2014 at 15:36Hi, I've been using the STM32F4 discovery kit (the one that contains the STM32F407 MCU) and I've noticed something strange. When I stopped the code at the SystemInit fuction and probed the HSE I saw that it was al...
Posted on December 23, 2014 at 14:40The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on December 23, 2014 at 20:06Not sure if this is the correct term but to aid in laying our a pcb for my project where I have three 16 pin devices that need to connect to i/o ports. I would like to know how much of a performance hit will the p...
Posted on December 23, 2014 at 14:12Hi everyone.. Im trying to generate pwm signals from four different timer as tim10 tim11 tim13 tim14... Im driving step motor by stepper driver. I can do discrete way but I have to drive at same time... How can I ...
Posted on December 22, 2014 at 22:33I have an application that I am porting from the Kiel IDE to build with the GNU tool chain. The compiled and linked appilcation on the GNU side is crashing and getting stuck in the WWDG_IRQHandler routine, though ...
Posted on December 13, 2014 at 17:41Hello everybody,I am developing a system in wich a STM32F103 microcontroller has to communicate with a master receiver external device. I have to configure the STM32 as a I2C slave transmitter in order to send dat...
