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RM0453 Rev 2 193/1454

RM0453 Sub-GHz radio (SUBGHZ)

217

5.8.5 Communication status information commands

Get_Status() command

Get_Status(Status) can be issued at any time.

Get_RxBufferStatus() command

Get_RxBufferStatus(Status, RxPayloadLength, RxStartBufferPointer)

returns the sub-GHz radio status, the length of the last received packet (RxPayloadLength)

and the buffer address of the first received payload byte (RxStartBufferPointer).

Opcode Status[7:0]

byte 0 bits 7:0 Opcode: 0xC0

byte 1 bit 7 Reserved, must be kept at reset value.

bits 6:4 Status_Mode[2:0] sub-GHz radio operating mode

0x2: Standby mode with RC 13 MHz

0x3: Standby mode with HSE32

0x4: FS mode

0x5: RX mode

0x6: TX mode

Others: reserved

bits 3:1 Status_CmdStatus[2:0]: Command status

0x2: data available to host (packet received successfully and data can be

retrieved)

0x3:command time out (command took too long to complete triggering a sub-

GHz radio watchdog timeout)

0x4:command processing error (invalid opcode or incorrect number of

parameters)

0x5:command execution failure (command successfully received but cannot

be executed at this time, requested operating mode cannot be entered or

requested data cannot be sent)

0x6: transmit command completed (current packet transmission completed)

Others: reserved

bit 0 Reserved, must be kept at reset value.

0123

Opcode Status[7:0] RxPayloadLength[7:0]

RxStartBufferPointer

[7:0]

wrrr

byte 0 bits 7:0 Opcode: 0x13.

ST STM32WL55JC User Manual

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