HAL DBGMCU Use Cases

Get Device ID

@startuml ' To add a number by line 'autonumber ' Fix order of each column participant "User Application" as user participant "DBGMCU Driver" as DBGMCU group #lightblue DBGMCU Get Device ID user->DBGMCU : HAL_DBGMCU_GetDeviceID() user<--DBGMCU: Device ID end @enduml

Called functions:

Get DevRevision ID

@startuml ' To add a number by line 'autonumber ' Fix order of each column participant "User Application" as user participant "DBGMCU Driver" as DBGMCU group #a6d2f6ff DBGMCU Get Revison ID user->DBGMCU : HAL_DBGMCU_GetRevisionID() user<--DBGMCU: Revison ID end @enduml

Called functions:

Debug in low power mode(s)

@startuml hide footbox participant "User Application" as user participant "DBGMCU Driver" as DBGMCU group #lightblue Debug during low power mode(s) user->DBGMCU : HAL_DBGMCU_EnableDebugLowPowerMode() note right : Enable the debug during low power mode(s) user->DBGMCU : HAL_DBGMCU_IsEnabledDebugLowPowerMode() DBGMCU-->user : The debug during low power mode is enabled user->DBGMCU : HAL_DBGMCU_DisableDebugLowPowerMode() note right : Disable the debug during low power mode(s) user->DBGMCU : HAL_DBGMCU_IsEnabledDebugLowPowerMode() DBGMCU-->user : The debug during low power mode is disabled end @enduml

Called functions:

Freeze / Unfreeze TIM 1

@startuml hide footbox participant "User Application" as user participant "DBGMCU Driver" as DBGMCU participant "TIM Driver" as TIM participant "RCC Driver" as RCC == TIM1 HAL Initilaization == group #c6ffc6ff Initialization user->TIM : HAL_TIM_Init() alt#grey #lightgrey If USE_HAL_TIM_CLK_ENABLE_MODEL = HAL_CLK_ENABLE_NO TIM->RCC : Enable the TIM1 clock end TIM --> user: HAL_OK end == DBGMCU Freeze TIM1 == group #e2fde2ff Freeze the clock of TIM1 user->DBGMCU : HAL_DBGMCU_TIM1_Freeze() note right : Freeze the clock of TIM1 when the CPU is in debug mode user->TIM : HAL_TIM_SetConfig() TIM --> user: HAL_OK user->TIM : HAL_TIM_Start() TIM --> user: HAL_OK user->TIM : HAL_TIM_GetCounter() note left : Add Break Point to **HAL_TIM_GetCounter()** TIM-->user : Counter value note right : TIM1 is frozen while CPU is in debug mode end == DBGMCU Unfreeze TIM1 == group #ecf3ecff Unfreeze the clock of TIM1 user->DBGMCU : HAL_DBGMCU_TIM1_UnFreeze() note right : Unfreeze the clock of TIM1 when the CPU is in debug mode user->TIM : HAL_TIM_SetConfig() TIM --> user: HAL_OK user->TIM : HAL_TIM_Start() TIM --> user: HAL_OK user->TIM : HAL_TIM_GetCounter() note left : Add Break Point to **HAL_TIM_GetCounter()** TIM-->user : Counter value note right : TIM1 continues to operate while CPU is in debug mode end @enduml

Called functions: - HAL_DBGMCU_TIM1_Freeze() - HAL_DBGMCU_TIM1_UnFreeze()

Freeze / Unfreeze DMA Channel 0

@startuml hide footbox participant "User Application" as user participant "DBGMCU Driver" as DBGMCU participant "DMA Driver" as DMA participant "RCC Driver" as RCC == DMA HAL Initialization == group #f9e5c7ff Freeze / Unfreeze the clock of DMA Channel 0 user->DMA : HAL_DMA_Init() alt#grey #lightgrey If USE_HAL_DMA_CLK_ENABLE_MODEL = HAL_CLK_ENABLE_NO DMA->RCC : Enable the DMA clock end DMA --> user: HAL_OK end == DBGMCU Freeze DMA == group #faf2e7ff Freeze DMA Channel 0 user->DBGMCU : HAL_DBGMCU_GPDMA1_Ch0_Freeze() note right : Freeze the clock of DMA channel 0 when the CPU is in debug mode user->DMA : HAL_DMA_SetConfigDirectXfer() DMA --> user: HAL_OK user->DMA : HAL_DMA_StartDirectXfer() DMA --> user: HAL_OK user->DMA : HAL_DMA_PollForXfer() note left : Add Break Point to **HAL_DMA_PollForXfer()** DMA-->user : HAL_TIMEOUT note right : DMA channel 0 is frozen while CPU is in debug mode end == DBGMCU Unfreeze DMA == group #fefcf9ff Unfreeze DMA Channel 0 user->DBGMCU : HAL_DBGMCU_GPDMA1_Ch0_UnFreeze() note right : Unfreeze the clock of DMA channel 0 when the CPU is in debug mode user->DMA : HAL_DMA_SetConfigDirectXfer() DMA --> user: HAL_OK user->DMA : HAL_DMA_StartDirectXfer() DMA --> user: HAL_OK user->DMA : HAL_DMA_PollForXfer() note left : Add Break Point to **HAL_DMA_PollForXfer()** DMA-->user : HAL_OK note right : DMA channel 0 continues to operate while CPU is in debug mode end @enduml

Called functions: - HAL_DBGMCU_LPDMA1_Ch0_Freeze() - HAL_DBGMCU_LPDMA1_Ch0_UnFreeze()