stm32 /stm32g4 /STM32G491 /FDCAN /FDCAN_RXF1S

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Interpret as FDCAN_RXF1S

31282724232019161512118743000000000000000000000000000000000000000000F1FL0F1GI0F1PI0 (B_0x0)F1F0 (B_0x0)RF1L

RF1L=B_0x0, F1F=B_0x0

Description

FDCAN Rx FIFO 1 status register

Fields

F1FL

Rx FIFO 1 fill level Number of elements stored in Rx FIFO 1, range 0 to 3.

F1GI

Rx FIFO 1 get index Rx FIFO 1 read index pointer, range 0 to 2.

F1PI

Rx FIFO 1 put index Rx FIFO 1 write index pointer, range 0 to 2.

F1F

Rx FIFO 1 full

0 (B_0x0): Rx FIFO 1 not full

1 (B_0x1): Rx FIFO 1 full

RF1L

Rx FIFO 1 message lost This bit is a copy of interrupt flag IR[RF1L]. When IR[RF1L] is reset, this bit is also reset.

0 (B_0x0): No Rx FIFO 1 message lost

1 (B_0x1): Rx FIFO 1 message lost, also set after write attempt to Rx FIFO 1 of size 0

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