STM32L151 STOP模式唤醒程序跑哪儿了

labi41 提问时间：2014-2-24 16:23 /

我现在使用STM32L151进入STOP模式，测试程序运行后电流72uA，按钮按下后电流为331uA，LED灯也不闪烁。按钮松开后电流有变为0.5uA。

好像没有从STOP模式唤醒，理论上唤醒后应该在while（1）的循环里面灯闪烁。

希望使用过这个模式的人指点一下，谢谢！

void LEDInit(void)
{
  GPIO_InitTypeDef  GPIO_InitStructure;

  /* Enable the GPIO_LED Clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);

  /* Configure the GPIO_LED pin */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

GPIOB->BSRRL= GPIO_Pin_4;
}

int main(void)
{
uint16_t i=0,j=0;

GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOC

                     | RCC_AHBPeriph_GPIOD | RCC_AHBPeriph_GPIOE | RCC_AHBPeriph_GPIOH, ENABLE);

/* config all IO to Analog Input to reduce parasite power consumption */

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_400KHz;

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;

GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;

GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;

GPIO_Init(GPIOC, &GPIO_InitStructure);

GPIO_Init(GPIOD, &GPIO_InitStructure);

GPIO_Init(GPIOE, &GPIO_InitStructure);

GPIO_Init(GPIOH, &GPIO_InitStructure);

GPIO_Init(GPIOA, &GPIO_InitStructure);

GPIO_Init(GPIOB, &GPIO_InitStructure);

/* Enable PB7 as external PVD input so as to set it as AIN_IN */
  　RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);

　/* Configure the PVD Level to 3 (2.5V) */
  　PWR_PVDLevelConfig(PWR_PVDLevel_7);

  　/* Enable the PVD Output */
  　PWR_PVDCmd(ENABLE);

RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA
                        | RCC_AHBPeriph_GPIOB
                        | RCC_AHBPeriph_GPIOC
                        | RCC_AHBPeriph_GPIOD
                        | RCC_AHBPeriph_GPIOE
                        | RCC_AHBPeriph_GPIOH, DISABLE);

LEDInit();

/* Enable WKUP pin 1 */
PWR_WakeUpPinCmd(PWR_WakeUpPin_1, ENABLE);

/* Clear WakeUp flag */
PWR_ClearFlag(PWR_FLAG_WU);

   PWR_UltraLowPowerCmd(ENABLE);
   PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);
while(1)
{
LEDInit();
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