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Posted on June 05, 2015 at 21:16I am a Stm32 new learner.Recently I have had two Stm32 chips to communicated with eachother by using it wardware SPI.After I wrote the master and slave program and downloaded it into both stm32 chips.I used a logic an...
Posted on June 09, 2015 at 13:46Hello,is it possible to generate a interrupt when the pin NRST is activated??I need to reset some variable before the reset of the microcontroller.Thank's!!! #stm32f4-reset-pin
Posted on May 29, 2015 at 12:46I am novice to ST family. I have added DMA1_Stream5 Handler in keil example. When I put breakpoint over there ,it is not executing . Here is my code . int main(void) { GPIO_InitTypeDef GPIO_InitStructu...
Posted on June 09, 2015 at 10:00I'm getting the following message from my compiler: warning: ''__packed'' redefined [enabled by default] which is defined in the usb_conf.h file from the USB_OTG library, and in the cdefs.h file from the gcc. Any ide...
Posted on May 12, 2015 at 08:35Hello I'm using an STM32F302CB. I use this code to protect the first pages of code which contains a bootloader:[code] uint32_t write_protected = FLASH_OB_GetWRP(); uint32_t protect_mask = OB_WRP_AllPages - BOOTLOADER_W...
Posted on June 09, 2015 at 07:05Hi , I am using chan's FATFS with stm32f4 discovery,, So I could see that two paramateres, &sharpdefine _MAX_SS 512 and &sharpdefine BLOCK_SIZE 512 But when I change it to 4096 the FS is no longe...
Posted on June 09, 2015 at 03:52I'm about at my wit's end with this problem. I am trying to get USB host mode to work on the F407 Discovery board. I am using CubeMX with the USB middleware code -- version 4.8.0. Keil IDE.When I connect a keyboard, I...
Posted on June 01, 2015 at 03:55I have serious problem.I tried to write software to the devices with JTAG and Flash Loader Demonstrator,but both of them could not find device.I guess the device revision has something different with revision ''Z''.Re...
Posted on June 08, 2015 at 10:48Hi, I want to generate a software interrupt,.. ie;when I execute one step it should go to ISR and do some activities.. My scenario.. I'm using RTOS for my application. I am reading data from a FIFO and storing it to a...
Posted on June 03, 2015 at 22:42 Hi, i'm trying to use USB device HID with a stm32F4 For this i modified the example give by st for HID standalone (not custom HID, didn't work for me !). If i use this descriptor i can send data to the pc : ...
