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driving LD3 in STM32L1 discovery kit

Question asked by nandagoban.arulnambi on Oct 28, 2014
Latest reply on Oct 28, 2014 by nandagoban.arulnambi

I am new to STM32 development. I am trying to get familiar with discovery kit.
I am using Atollic true studio lite version. I am trying to drive LD3 but it seems not working. Here is my code:

#include <stddef.h>
#include "stm32l1xx.h"

static volatile uint32_t TimingDelay;

static void GPIO_LED_GREEN_SETUP(void)
     GPIO_InitTypeDef GPIO_InitStructure;

//     GPIO_DeInit(GPIOB);


     GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
     GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;

     GPIO_Init(GPIOB, &GPIO_InitStructure);


int main(void)

     GPIO_SetBits(GPIOB,GPIO_Pin_7);     /* LED on/off */
//     }

     return 0;