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Posted on December 26, 2014 at 13:07In LTDC_GCR register of LTDC at STM32F429 HSYNC, VSYNC and DE signal polarity may be chosen:Bit 31 HSPOL: Horizontal Synchronization Polarity This bit is set and cleared by software. 0: Horizontal Synchronizatio...
Posted on December 26, 2014 at 08:39Hello,I use an STM32F407 microcontroller for my project that i use RTC on it. The RTC is clocked from LSE. It works normally when the power is on. But when i switch off and on the device, the RTC falls behind the ...
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Posted on December 17, 2014 at 08:31(Note: I'm experienced with flash-programming microcontrollers from other vendors, but this is my first go with STM)I have a STM32F4 Discovery board (with a STM32F407VGT6 fitted).I use GCC-4.8.3 with OpenOCD-0.9.0...
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 24, 2014 at 19:14 Hello! I need to connect two STM32F407Discovery board via i2c for my task. First board is master which send data packet to slave board and receive data back. Slave board just receive data and save it f...
Posted on December 24, 2014 at 08:40why Stm32Cube dose not support create CoIDE project and CoOS OS?
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...
