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- /**
- * @brief Wait 1 sec for LSE stabilization .
- * @param None.
- * @retval None.
- * Note : TIM4 is configured for a system clock = 2MHz
- */
- void LSE_StabTime(void)
- {
- CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, ENABLE);
- /* Configure TIM4 to generate an update event each 1 s */
- TIM4_TimeBaseInit(TIM4_Prescaler_16384, 123);
- /* Clear update flag */
- TIM4_ClearFlag(TIM4_FLAG_Update);
- /* Enable TIM4 */
- TIM4_Cmd(ENABLE);
- /* Wait 1 sec */
- while ( TIM4_GetFlagStatus(TIM4_FLAG_Update) == RESET );
- TIM4_ClearFlag(TIM4_FLAG_Update);
- /* Disable TIM4 */
- TIM4_Cmd(DISABLE);
- CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, DISABLE);
- }
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