ST STM32F2

Overview of Low Layer drivers
UM1940
68/1371
DocID028236 Rev 2
'x' corresponds to the group index and refers to the index of the modified register
on a given bus.
Peripheral activation/deactivation management: Enable/disable a peripheral or
activate/deactivate specific peripheral features
Table 22: Peripheral activation/deactivation management
Name
Examples
LL_PPP{_CATEGORY}_Action{Item}
LL_PPP{_CATEGORY}_IsItemAction
LL_ADC_Enable ()
LL_ADC_StartCalibration();
LL_ADC_IsCalibrationOnGoing;
LL_RCC_HSI_Enable ()
LL_RCC_HSI_IsReady()
Peripheral configuration management: Set/get a peripheral configuration settings
Table 23: Peripheral configuration management
Name
Examples
LL_PPP{_CATEGORY}_Set{ or
Get}ConfigItem
LL_USART_SetBaudRate (USART2, Clock,
LL_USART_BAUDRATE_9600)
Peripheral register management: Write/read the content of a register/retrun DMA
relative register address
Table 24: Peripheral register management
Name
LL_PPP_WriteReg(__INSTANCE__, __REG__, __VALUE__)
LL_PPP_ReadReg(__INSTANCE__, __REG__)
LL_PPP_DMA_GetRegAddr (PPP_TypeDef *PPPx,{Sub Instance if any ex: Channel} , {uint32_t Propriety})
The Propriety is a variable used to identify the DMA transfer direction or the data
register type.