This module includes the platform abstraction for radio operations.
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otRadioState | otPlatRadioGetState (otInstance *aInstance) |
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otError | otPlatRadioEnable (otInstance *aInstance) |
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otError | otPlatRadioDisable (otInstance *aInstance) |
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bool | otPlatRadioIsEnabled (otInstance *aInstance) |
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otError | otPlatRadioSleep (otInstance *aInstance) |
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otError | otPlatRadioReceive (otInstance *aInstance, uint8_t aChannel) |
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void | otPlatRadioEnableSrcMatch (otInstance *aInstance, bool aEnable) |
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otError | otPlatRadioAddSrcMatchShortEntry (otInstance *aInstance, const uint16_t aShortAddress) |
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otError | otPlatRadioAddSrcMatchExtEntry (otInstance *aInstance, const otExtAddress *aExtAddress) |
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otError | otPlatRadioClearSrcMatchShortEntry (otInstance *aInstance, const uint16_t aShortAddress) |
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otError | otPlatRadioClearSrcMatchExtEntry (otInstance *aInstance, const otExtAddress *aExtAddress) |
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void | otPlatRadioClearSrcMatchShortEntries (otInstance *aInstance) |
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void | otPlatRadioClearSrcMatchExtEntries (otInstance *aInstance) |
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void | otPlatRadioReceiveDone (otInstance *aInstance, otRadioFrame *aFrame, otError aError) |
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otRadioFrame * | otPlatRadioGetTransmitBuffer (otInstance *aInstance) |
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otError | otPlatRadioTransmit (otInstance *aInstance, otRadioFrame *aFrame) |
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void | otPlatRadioTxStarted (otInstance *aInstance, otRadioFrame *aFrame) |
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void | otPlatRadioTxDone (otInstance *aInstance, otRadioFrame *aFrame, otRadioFrame *aAckFrame, otError aError) |
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int8_t | otPlatRadioGetRssi (otInstance *aInstance) |
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otRadioCaps | otPlatRadioGetCaps (otInstance *aInstance) |
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otError | otPlatRadioGetTransmitPower (otInstance *aInstance, int8_t *aPower) |
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otError | otPlatRadioSetTransmitPower (otInstance *aInstance, int8_t aPower) |
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bool | otPlatRadioGetPromiscuous (otInstance *aInstance) |
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void | otPlatRadioSetPromiscuous (otInstance *aInstance, bool aEnable) |
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void | otPlatDiagRadioTransmitDone (otInstance *aInstance, otRadioFrame *aFrame, otError aError) |
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void | otPlatDiagRadioReceiveDone (otInstance *aInstance, otRadioFrame *aFrame, otError aError) |
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otError | otPlatRadioEnergyScan (otInstance *aInstance, uint8_t aScanChannel, uint16_t aScanDuration) |
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void | otPlatRadioEnergyScanDone (otInstance *aInstance, int8_t aEnergyScanMaxRssi) |
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int8_t | otPlatRadioGetReceiveSensitivity (otInstance *aInstance) |
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void | otPlatRadioFrameUpdated (otInstance *aInstance, otRadioFrame *aFrame) |
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This module includes the platform abstraction for radio operations.
The radio driver calls this method to notify OpenThread diagnostics module of a received frame.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aFrame | A pointer to the received frame or NULL if the receive operation failed. |
[in] | aError | OT_ERROR_NONE when successfully received a frame, OT_ERROR_ABORT when reception was aborted and a frame was not received, OT_ERROR_NO_BUFS when a frame could not be received due to lack of rx buffer space. |
The radio driver calls this method to notify OpenThread diagnostics module that the transmission has completed.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aFrame | A pointer to the frame that was transmitted. |
[in] | aError | OT_ERROR_NONE when the frame was transmitted, OT_ERROR_CHANNEL_ACCESS_FAILURE when the transmission could not take place due to activity on the channel, OT_ERROR_ABORT when transmission was aborted for other reasons. |
Add an extended address to the source address match table.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aExtAddress | The extended address to be added stored in little-endian byte order. |
- Return values
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OT_ERROR_NONE | Successfully added extended address to the source match table. |
OT_ERROR_NO_BUFS | No available entry in the source match table. |
otError otPlatRadioAddSrcMatchShortEntry |
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otInstance * |
aInstance, |
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const uint16_t |
aShortAddress |
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) |
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Add a short address to the source address match table.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aShortAddress | The short address to be added. |
- Return values
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OT_ERROR_NONE | Successfully added short address to the source match table. |
OT_ERROR_NO_BUFS | No available entry in the source match table. |
void otPlatRadioClearSrcMatchExtEntries |
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otInstance * |
aInstance | ) |
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Clear all the extended/long addresses from source address match table.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
Remove an extended address from the source address match table.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aExtAddress | The extended address to be removed stored in little-endian byte order. |
- Return values
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OT_ERROR_NONE | Successfully removed the extended address from the source match table. |
OT_ERROR_NO_ADDRESS | The extended address is not in source address match table. |
void otPlatRadioClearSrcMatchShortEntries |
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otInstance * |
aInstance | ) |
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Clear all short addresses from the source address match table.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
otError otPlatRadioClearSrcMatchShortEntry |
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otInstance * |
aInstance, |
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const uint16_t |
aShortAddress |
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) |
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Remove a short address from the source address match table.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aShortAddress | The short address to be removed. |
- Return values
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OT_ERROR_NONE | Successfully removed short address from the source match table. |
OT_ERROR_NO_ADDRESS | The short address is not in source address match table. |
Disable the radio.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
- Return values
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OT_ERROR_NONE | Successfully transitioned to Disabled. |
Enable the radio.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
- Return values
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OT_ERROR_NONE | Successfully enabled. |
OT_ERROR_FAILED | The radio could not be enabled. |
void otPlatRadioEnableSrcMatch |
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otInstance * |
aInstance, |
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bool |
aEnable |
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) |
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Enable/Disable source address match feature.
The source address match feature controls how the radio layer decides the "frame pending" bit for acks sent in response to data request commands from children.
If disabled, the radio layer must set the "frame pending" on all acks to data request commands.
If enabled, the radio layer uses the source address match table to determine whether to set or clear the "frame
pending" bit in an ack to a data request command.
The source address match table provides the list of children for which there is a pending frame. Either a short address or an extended/long address can be added to the source address match table.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aEnable | Enable/disable source address match feature. |
otError otPlatRadioEnergyScan |
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otInstance * |
aInstance, |
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uint8_t |
aScanChannel, |
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uint16_t |
aScanDuration |
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) |
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This method begins the energy scan sequence on the radio.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aScanChannel | The channel to perform the energy scan on. |
[in] | aScanDuration | The duration, in milliseconds, for the channel to be scanned. |
- Return values
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OT_ERROR_NONE | Successfully started scanning the channel. |
OT_ERROR_NOT_IMPLEMENTED | The radio doesn't support energy scanning. |
void otPlatRadioEnergyScanDone |
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otInstance * |
aInstance, |
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int8_t |
aEnergyScanMaxRssi |
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) |
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The radio driver calls this method to notify OpenThread that the energy scan is complete.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aEnergyScanMaxRssi | The maximum RSSI encountered on the scanned channel. |
The radio driver calls this method to notify OpenThread to process transmit security for the frame, this happens when the frame includes Header IE(s) that were updated before transmission.
- Note
- This function will be called from interrupt context, it should only read/write data passed in via
aFrame
, but should not read/write any state within OpenThread.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aFrame | The radio frame which neeeds to process transmit security. |
Get the radio capabilities.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
- Returns
- The radio capability bit vector. The stack enables or disables some functions based on this value.
bool otPlatRadioGetPromiscuous |
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otInstance * |
aInstance | ) |
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Get the status of promiscuous mode.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
- Return values
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true | Promiscuous mode is enabled. |
false | Promiscuous mode is disabled. |
int8_t otPlatRadioGetReceiveSensitivity |
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otInstance * |
aInstance | ) |
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Get the radio receive sensitivity value.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
- Returns
- The radio receive sensitivity value in dBm.
int8_t otPlatRadioGetRssi |
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otInstance * |
aInstance | ) |
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Get the most recent RSSI measurement.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
- Returns
- The RSSI in dBm when it is valid. 127 when RSSI is invalid.
Get current state of the radio.
This function is not required by OpenThread. It may be used for debugging and/or application-specific purposes.
- Note
- This function may be not implemented. It does not affect OpenThread.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
- Returns
- Current state of the radio.
The radio transitions from Transmit to Receive. This method returns a pointer to the transmit buffer.
The caller forms the IEEE 802.15.4 frame in this buffer then calls otPlatRadioTransmit() to request transmission.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
- Returns
- A pointer to the transmit buffer.
Get the radio's transmit power in dBm.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[out] | aPower | The transmit power in dBm. |
- Return values
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OT_ERROR_NONE | Successfully retrieved the transmit power. |
OT_ERROR_INVALID_ARGS | aPower was NULL. |
OT_ERROR_NOT_IMPLEMENTED | Transmit power configuration via dBm is not implemented. |
bool otPlatRadioIsEnabled |
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otInstance * |
aInstance | ) |
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Check whether radio is enabled or not.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
- Returns
- TRUE if the radio is enabled, FALSE otherwise.
Transitioning the radio from Sleep to Receive. Turn on the radio.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aChannel | The channel to use for receiving. |
- Return values
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OT_ERROR_NONE | Successfully transitioned to Receive. |
OT_ERROR_INVALID_STATE | The radio was disabled or transmitting. |
The radio driver calls this method to notify OpenThread of a received frame.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aFrame | A pointer to the received frame or NULL if the receive operation failed. |
[in] | aError | OT_ERROR_NONE when successfully received a frame, OT_ERROR_ABORT when reception was aborted and a frame was not received, OT_ERROR_NO_BUFS when a frame could not be received due to lack of rx buffer space. |
void otPlatRadioSetPromiscuous |
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otInstance * |
aInstance, |
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bool |
aEnable |
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) |
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Enable or disable promiscuous mode.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aEnable | A value to enable or disable promiscuous mode. |
Set the radio's transmit power in dBm.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aPower | The transmit power in dBm. |
- Return values
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OT_ERROR_NONE | Successfully set the transmit power. |
OT_ERROR_NOT_IMPLEMENTED | Transmit power configuration via dBm is not implemented. |
Transition the radio from Receive to Sleep. Turn off the radio.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
- Return values
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OT_ERROR_NONE | Successfully transitioned to Sleep. |
OT_ERROR_BUSY | The radio was transmitting |
OT_ERROR_INVALID_STATE | The radio was disabled |
This method begins the transmit sequence on the radio.
The caller must form the IEEE 802.15.4 frame in the buffer provided by otPlatRadioGetTransmitBuffer() before requesting transmission. The channel and transmit power are also included in the otRadioFrame structure.
The transmit sequence consists of:
- Transitioning the radio to Transmit from Receive.
- Transmits the psdu on the given channel and at the given transmit power.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aFrame | A pointer to the transmitted frame. |
- Return values
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OT_ERROR_NONE | Successfully transitioned to Transmit. |
OT_ERROR_INVALID_STATE | The radio was not in the Receive state. |
The radio driver calls this function to notify OpenThread that the transmit operation has completed, providing both the transmitted frame and, if applicable, the received ack frame.
- Parameters
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[in] | aInstance | The OpenThread instance structure. |
[in] | aFrame | A pointer to the frame that was transmitted. |
[in] | aAckFrame | A pointer to the ACK frame, NULL if no ACK was received. |
[in] | aError | OT_ERROR_NONE when the frame was transmitted, OT_ERROR_NO_ACK when the frame was transmitted but no ACK was received, OT_ERROR_CHANNEL_ACCESS_FAILURE when the transmission could not take place due to activity on the channel, OT_ERROR_ABORT when transmission was aborted for other reasons. |
The radio driver calls this method to notify OpenThread that the transmission has started.
- Note
- This function should be called by the same thread that executes all of the other OpenThread code. It should not be called by ISR or any other task.
- Parameters
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[in] | aInstance | A pointer to the OpenThread instance structure. |
[in] | aFrame | A pointer to the frame that is being transmitted. |