/* Includes */ #include #include \"stm32f10x.h\" #include \"STM32vldiscovery.h\"

Question

/* Includes */

#include

#include "stm32f10x.h"

#include "STM32vldiscovery.h"

void Delay(__IO uint32_t nCount);

int main(void)

{

STM32vldiscovery_LEDInit(LED3);

STM32vldiscovery_LEDInit(LED4);

STM32vldiscovery_PBInit(BUTTON_USER, BUTTON_MODE_GPIO);

STM32vldiscovery_LEDOff(LED3);

STM32vldiscovery_LEDOff(LED4);

/* Infinite loop */

while (1)

{

/* Toggle LED3 with delay between states */

STM32vldiscovery_LEDOn(LED3);

STM32vldiscovery_LEDOff(LED4);

Delay(658751);

STM32vldiscovery_LEDOff(LED3);

STM32vldiscovery_LEDOn(LED4);

Delay(658751);

}

}

void Delay(__IO uint32_t nCount)

{

for(; nCount != 0; nCount--);

}

Explanation / Answer

Don't forget to enable the external or internal oscillator that you need to use for SYSCLK.
At power-on for default is enabled the internal RC oscillator HSI.

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