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Posted on October 05, 2013 at 00:46I was checking out the usb virtual com port loopback example provided in STM32_USB-FS-Device_Lib_V4.0.0. When I looked into the usb endpoint (usb_endp.c or usb_conf.h), it defines EP3 (OUT) and EP1(IN) as the endp...
Posted on October 06, 2013 at 23:12Hi, I've got a question about using ST-LINK/V2 to program/debug an external application: if onboard st-link can be used only for MCUs from STM32L1 series or from other series too? I'm asking because in UM1079 it is...
Posted on October 18, 2012 at 20:11To erase a sector, follow the procedure below:1. Check that no Flash memory operation is ongoing by checking the BSY bit in the FLASH_SR register2. Set the SER bit and select the sector (out of the 12 sectors in th...
Posted on October 07, 2013 at 07:24hi there,first,apologized for my poor English.I'm a beginner of STM MCU.I have a problem when I want to turn on SD card High-speed mode.I port FATFS on my board successfully and I can send data into my SDHC card su...
Posted on October 05, 2013 at 17:36 Hi all, I need a bit help, since I can't get the RTC based on LSI making a robust timer. I try to generate an interrupt every 10 seconds. Here the code that concerns the RTC : void m...
Posted on October 05, 2013 at 21:02I am getting faulty data while using USART. This is the program that i have written but what i get is the garbage values./* Includes */#include ''stm32f4xx.h''#include ''stm32f4xx_gpio.h''#include ''stm32f4xx_tim.h...
Posted on October 05, 2013 at 17:04Hi everyonne.. I m planning to use STM32F030 for my projects, and the projects need RTC functtion. I notice that STM32F030 didn't have VBAT pin and Backup Registers... CMIIW.. so, how can we get RTC function withou...
Posted on October 04, 2013 at 22:58 Hi, i've been looking around for a solution to this for some days now, but nothing, maybe someone of you can help me. I have the following code: TIM_TimeBaseInitTypeDef TIM_TimeBase_InitStructure...
Posted on October 05, 2013 at 04:14 TIM6 Update event occurs each 37.5MHz/256 = 16.406 KHz the words in the DAC exemple. I want to know how to get the 37.5MHz ,how to calculate it out.Thank you for your help.
Posted on July 29, 2013 at 15:49help again, I work with a four-timer but it does not work the channels one, two and three. I initialize them but they do not give a PWM.CH4 working very good!My code:void init_pwm( void){ TIM_TimeBaseInitTypeDef TI...
