Posted on May 20, 2012 at 07:45Hi I recently recieved an STM32F0 discovery board and got to doing some testing on it with the gcc toolchain found at:https://launchpad.net/gcc-arm-embedded/4.6/2011-q4-major I discovered that the ''startup_stm32f0xx...
Posted on May 19, 2012 at 22:10Hi, Probably a dumb question...but I need to know so...on the discoveryF4 board for the external power connector, is the center of the plug +ve and the outer gnd? thanks
Posted on October 22, 2011 at 02:19HiI have eclipse 3.6 with GNU ARM C/C++ development support configured.However, it can generate hex file with warning: cannot find entry symbol Reset_Handler; defaulting to 08000000. Not sure will this effect the h...
Posted on May 19, 2012 at 09:26............
Posted on May 17, 2012 at 02:36Does anyone know how to produce a solid 3-phase implementation via the timers on these STM32F4-Discovery? I'm wanting to be able to produce a simple 3-phase digital signal upon 3 output channels are varying frequencies...
Posted on May 18, 2012 at 14:37Hi everyone,I m trying to be in USB Mass storage Mode by default, and being able to do DFU action upload and download.I read that I have to disable all other interface to get in DFU mode.Thus, I wanted to use DFUSE to ...
Posted on May 18, 2012 at 21:45 Hello -- We're trying to bring up FreeRTOS on our STM32F103c8 micro. In the function vPortStartFirstTask (file portasm.s) there is an SVC call as follows: cpsie i 0x8002efe: 0xb662 CPSIE i svc 0 0...
Posted on May 18, 2012 at 11:30 I am using in my STM32L151CB project internal RTC timer. The RTC clock source is selected HCE clock divided into 16 (RCC_RTCCLKSource_HSE_Div16). I using quarz crystal 9830400Hz - ABM2 I load in to...
Posted on May 16, 2012 at 23:26Hello I have a problem with calculating internal temperature with STM32. When processor VCC is 3.3V everything is ok - temperature is almoast accurate with wide temerature range. But whet processor VCC is below 3V temp...
Posted on May 16, 2012 at 06:43Dear all, I'm using `Keil uVision` with gcc toolchain (Sourcery Codebench lite for ARM EABI) to program the `STM32F4 cortex M4` chip. The compiler control strings I have set are: -march=armv7e-m -mfpu=fpv4-sp-d16 ...
