Posted on August 17, 2015 at 08:59I have a system(freeRTOS) running well on stm32f401 platform. To reduce the PowerConsumption, i added a HAL_PWR_EnterSLEEPMode() into the void vApplicationIdleHook( void ). The system will crash in seconds with all ...

Posted on May 26, 2015 at 14:44We have a solution, which reading audio file from SDCard and playing by I2S. It works ok when the CPU Clock Speed is >= 84Mhz. To reducing the Power Consumption, we have to reducing the CPU Clock Speed to 24MHz, then t...

Posted on May 25, 2015 at 14:26We have a solution, which reading audio file from SDCard and playing by I2S. It works ok when the CPU Clock Speed is >= 84Mhz. To reducing the Power Consumption, we have to reducing the CPU Clock Speed to 24MHz, then t...