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STM32CUBEL4 датащи(PDF) 28 Page - STMicroelectronics

номер детали STM32CUBEL4
подробное описание детали  STM32CubeL4 demonstration firmware for 32L476GDISCOVERY discovery kit
PDF  37 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
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STM32CUBEL4 датащи(HTML) 28 Page - STMicroelectronics

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Demonstration firmware settings
UM1919
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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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