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Posted on September 15, 2014 at 20:49I have an application where I need to manage a SW that my micro does not have a data interface on. The switch uses MDIO as the interface for management (not just for PHY configuration). Has anybody used a I2C p...
Posted on September 15, 2014 at 16:55hi every bodyim trying to use spi cmsis function in STM32F10x Standard Peripherals Library V3.4when i use examples of its own folder my compiler keil5.11a (with stm periph lib v3.5) shows this error:and i know th...
Posted on March 27, 2013 at 11:58If nBOOTMODE is asserted (pulled or driven low) when coming out of reset, the processor starts executing an embedded serial boot loader instead of its normal program. Is it possible to prevent this behaviour so that ...
Posted on September 14, 2014 at 20:03Hello friends.I use EWARM as IDE. The platform is STM32F429I-DISCONow I study timers' behavior. When I use one step through the code while debugging (Step Into in the EWARM) the value of the CNT register changes ...
Posted on September 13, 2014 at 02:22Dear all, i connected a 32.768Khz quartz to the external clock source (PC14, PC15), i would like to have an interrupt generated each second, for the system clock. Also, i connected a battery between VBAT and gnd,...
Posted on March 11, 2013 at 20:21Hello, Does anybody already used sdd1963 lcd controller with STM32 through FSMC? The used code to configure the FSMC is: void FSMC_LCD_Init(void) { FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; FSMC_NORSRAM...
Posted on July 29, 2014 at 14:44Hi.I use Nucleo board with STM32L0x3 MCU. There are special sequence for EEPROM TYPEPROGRAM_BYTE process? I can write 4 bytes data (TYPEPROGRAM_WORD) but can't write 1 byte data (TYPEPROGRAM_BYTE):uint32_t Address = 0...
Posted on September 06, 2014 at 22:11Hello, First, sorry for my poor english.I have a problem with a STM32F205. I am trying to read the content of flash memory , and for some bytes i have a value different with my firmware binary file. But the appli...
Posted on September 14, 2014 at 02:28I have a USB bootloader at address 0x08000000 that allows my STM32 to be programmed using dfu-util. I will eventually have my main firmware stored at 0x0800c000 and the bootloader will perform a ''jump'' to 0x080...
Posted on September 13, 2014 at 22:14I'v found in the Cortex-M4 file that the default value of PRIGROUP is 0. while the legal value of STM32 is from 3 to 7. And I didn't find the PRIGROUP set in startup file or system_stm32f4xx.c. What is the defaul...
