FDCAN Private Functions

Functions
static HAL_StatusTypeDef	FDCAN_CalcultateRamBlockAddresses (FDCAN_HandleTypeDef *hfdcan)
	Calculate each RAM block start address and size.
static void	FDCAN_CopyMessageToRAM (FDCAN_HandleTypeDef *hfdcan, FDCAN_TxHeaderTypeDef *pTxHeader, uint8_t *pTxData, uint32_t BufferIndex)
	Copy Tx message to the message RAM.

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Function Documentation

static HAL_StatusTypeDef FDCAN_CalcultateRamBlockAddresses

(

FDCAN_HandleTypeDef *

hfdcan

)

[static]

Calculate each RAM block start address and size.

Parameters:

hfdcan

pointer to an FDCAN_HandleTypeDef structure that contains the configuration information for the specified FDCAN.

Return values:

HAL

status

Definition at line 6034 of file stm32h7xx_hal_fdcan.c.

References FDCAN_MsgRamAddressTypeDef::EndAddress, __FDCAN_HandleTypeDef::ErrorCode, FDCAN_MsgRamAddressTypeDef::ExtendedFilterSA, FDCAN_InitTypeDef::ExtFiltersNbr, FDCAN_MESSAGE_RAM_END_ADDRESS, HAL_FDCAN_ERROR_PARAM, HAL_FDCAN_STATE_ERROR, __FDCAN_HandleTypeDef::Init, __FDCAN_HandleTypeDef::Instance, FDCAN_InitTypeDef::MessageRAMOffset, __FDCAN_HandleTypeDef::msgRam, FDCAN_MsgRamAddressTypeDef::RxBufferSA, FDCAN_InitTypeDef::RxBufferSize, FDCAN_InitTypeDef::RxBuffersNbr, FDCAN_InitTypeDef::RxFifo0ElmtSize, FDCAN_InitTypeDef::RxFifo0ElmtsNbr, FDCAN_MsgRamAddressTypeDef::RxFIFO0SA, FDCAN_InitTypeDef::RxFifo1ElmtSize, FDCAN_InitTypeDef::RxFifo1ElmtsNbr, FDCAN_MsgRamAddressTypeDef::RxFIFO1SA, FDCAN_MsgRamAddressTypeDef::StandardFilterSA, __FDCAN_HandleTypeDef::State, FDCAN_InitTypeDef::StdFiltersNbr, FDCAN_MsgRamAddressTypeDef::TxBufferSA, FDCAN_InitTypeDef::TxBuffersNbr, FDCAN_InitTypeDef::TxElmtSize, FDCAN_MsgRamAddressTypeDef::TxEventFIFOSA, FDCAN_InitTypeDef::TxEventsNbr, FDCAN_MsgRamAddressTypeDef::TxFIFOQSA, and FDCAN_InitTypeDef::TxFifoQueueElmtsNbr.

Referenced by HAL_FDCAN_Init().

static void FDCAN_CopyMessageToRAM	(	FDCAN_HandleTypeDef *	hfdcan,
		FDCAN_TxHeaderTypeDef *	pTxHeader,
		uint8_t *	pTxData,
		uint32_t	BufferIndex
	)		[static]

Copy Tx message to the message RAM.

Parameters:

hfdcan	pointer to an FDCAN_HandleTypeDef structure that contains the configuration information for the specified FDCAN.
pTxHeader	pointer to a FDCAN_TxHeaderTypeDef structure.
pTxData	pointer to a buffer containing the payload of the Tx frame.
BufferIndex	index of the buffer to be configured.

Return values:

HAL

status

Definition at line 6133 of file stm32h7xx_hal_fdcan.c.

References FDCAN_TxHeaderTypeDef::BitRateSwitch, FDCAN_TxHeaderTypeDef::DataLength, DLCtoBytes, FDCAN_TxHeaderTypeDef::ErrorStateIndicator, FDCAN_EXTENDED_ID, FDCAN_STANDARD_ID, FDCAN_TxHeaderTypeDef::FDFormat, FDCAN_TxHeaderTypeDef::Identifier, FDCAN_TxHeaderTypeDef::IdType, __FDCAN_HandleTypeDef::Init, FDCAN_TxHeaderTypeDef::MessageMarker, __FDCAN_HandleTypeDef::msgRam, FDCAN_MsgRamAddressTypeDef::TxBufferSA, FDCAN_InitTypeDef::TxElmtSize, FDCAN_TxHeaderTypeDef::TxEventFifoControl, and FDCAN_TxHeaderTypeDef::TxFrameType.

Referenced by HAL_FDCAN_AddMessageToTxBuffer(), and HAL_FDCAN_AddMessageToTxFifoQ().