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STM32CUBEL4 датащи(PDF) 28 Page - STMicroelectronics |
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STM32CUBEL4 датащи(HTML) 28 Page - STMicroelectronics |
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28 / 37 page ![]() Demonstration firmware settings UM1919 28/37 DocID028080 Rev 1 5.5.1 Tasks Stack size: 128 is the value defined for configMINIMAL_STACK_SIZE in FreeRTOSConfig.h 5.5.2 Message queues 5.5.3 Mutex A mutex DemoLowPowerMutex is defined to control the main application entry in low-power mode by first insuring the board components with their respective IOs in low-power mode and then setting the MCU in low-power consumption. The mutex DemoLowPowerMutex is released upon wake-up from an EXTI lines associated to joystick buttons. Table 9. Task description Task entry point Description Function (File) Stack size (words) Priority StartThread Main application core Main.c 2 * 128 osPriorityNormal AudioPlayer_Thre ad Audio player application AudioPlayer_Init() (Audioplayer.c) 4 * 128 osPriorityHigh AudioRecorder_T hread Audio recorder application AudioRecorder_Ini t() (Audiorecorder.c) 4 * 128 osPriorityHigh Idle task (FreeRTOS) Implement Idle hook application vApplicationIdleHo ok() used to enter low-power mode vApplicationIdleHo ok() (Main.c) 128 osPriorityHigh Table 10. Message queues QueueId Description Function (File) Queue depth (word) JoyEvent Queue to receive input key event kMenu_Init() (K_menu.c) 1 AudioEvent Audio player input event AudioPlayer_Init() (Audioplayer.c) 1 osMsdId part of AudioRecorder_ContextTypeD ef structure Audio Recorder input event AudioRecorder_Init() (Audiorecorder.c) 1 |
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