Software description

AN2957

14/21

Doc ID 15550 Rev 2

3.2

RC5 functions

RC5_BinFrameGeneration function

Generates and returns a binary format of the RC5 frame: the flowchart of this function is

described below

uint16_t RC5_BinFrameGeneration ( RC5_Address_TypeDef RC5_Address,

RC5_Instruction_TypeDef RC5_Instruction,

RC5_Ctrl_TypeDef RC5_Ctrl)

RC5_ManchesterConvert function

Converts an RC5 binary format Frame to a RC5 Manchester format frame.

uint32_t RC5_ManchesterConvert (uint16_t RC5_BinaryFrameFormat)

RC5_SendFrame function

Sends a Manchester Format RC5 Frame.

void RC5_SendFrame(uint32_t RC5_ManchesterFrameFormat)

RC5_CtrlBitReverse function

Reverses the state of the RC5 Control bit (can be used to determine whether a button is

pressed and held down, or pressed and released continuously).

RC5_Ctrl_TypeDef RC5_CtrlBitReverse(RC5_Ctrl_TypeDef RC5_Ctrl);

3.3

RC5 flags

Table 4.

RC5 flags

Flag name

Flag description

Send_Operation_Completed Flag

0: The RC5 frame is not completely sent

1: The RC5 frame is completely sent

Send_Operation_Ready Flag

0: The RC5 frame is not yet ready to be send

1: The RC5 frame is ready to be send