Return Value: None
Note: Before this function si4455_reset should be called.
Function Name: U8 si4455_configuration_init(const U8*pSetPropCmd)
Description: This function is used to load all properties with a list of NULL terminated set property commands.
Input Parameter(s): *pSetPropCmd: First element of the list to be loaded.
Return Value: SI4455_COMMAND_ERROR: the list of commands is wrong.
SI4455_CTS_TIMEOUT: If a CTS error occurs.
SI4455_SUCCESS: If loading is successful.
Note: Before this function si4455_reset should be called.
Function Name: void si4455_start_tx(U8 CHANNEL, U8 CONDITION, U16 TX_LEN)
Description: Sends START_TX command to the radio.
Input Parameter(s): CHANNEL: Channel number.
CONDITION: Start TX condition.
TX_LEN: Payload length (exclude the PH generated CRC).
Return Value: None
Function Name: void si4455_start_rx(U8 CHANNEL, U8 CONDITION, U16 RX_LEN, U8 NEX- T_STATE1, U8 NEXT_STATE2, U8
NEXT_STATE3)
Description: Sends START_RX command to the radio.
Input Parameter(s): CHANNEL: Channel number.
CONDITION: Start RX condition.
RX_LEN: Payload length (exclude the PH generated CRC).
NEXT_STATE1: Next state when Preamble Timeout occurs.
NEXT_STATE2: Next state when a valid packet received.
NEXT_STATE3: Next state when invalid packet received (e.g., CRC error).
Return Value: None
Function Name: void si4455_get_int_status(U8 PH_CLR_PEND,U8 MODEM_CLR_PEND, U8 CHIP_CLR_PEND)
Description: Get the Interrupt status/pending flags form the radio and clear flags if requested.
Input Parameter(s): PH_CLR_PEND: Packet Handler pending flags clear.
MODEM_CLR_PEND: Modem Status pending flags clear.
CHIP_CLR_PEND: Chip State pending flags clear.
Return Value: None
Function Name: void si4455_write_tx_fifo(U8 numBytes, U8* pTxData)
Description: The function can be used to load data into TX FIFO.
Input Parameter(s): numBytes: Data length to beload.
pTxData: Pointer to the data (U8*).
AN954: Programming Guide for EFM8 and EZRadio ®
Application Programming Interface
silabs.com | Smart. Connected. Energy-friendly. Rev. 0.1 | 16
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