Peripheral Capacitive Sensing SubSubSystem[edit]
This page describes how to use the Capacitive Sensing API to interface with the Capacitive Sensing driver on a Wireless Network Processor.
Capacitive Sensing API over NPI[edit]
Following is a subset of the available APIs, just to give an idea of how the subsystem is used.
From Host[edit]
| HalCapSenseControlStat(uint8 statOnOff) - AREQ
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Byte 0 - 1
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Byte 2
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Byte 3
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Byte 4
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Byte 5
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|
Length
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Type / Sub-System
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Peripheral Sub-Sub-System
|
Command ID
|
Parameters
|
|
0x00
|
0x50
|
0x01
|
0x01
|
Turn on Statistics
TRUE:0x01
FALSE:0x00
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|
| HalCapSenseSetThreshold(uint8 length, uint8 *thresholds) - AREQ
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Byte 0 - 1
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Byte 2
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Byte 3
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Byte 4
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Byte 5
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Byte 6 - (length + 6)
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|
Length
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Type / Sub-System
|
Peripheral Sub-Sub-System
|
Command ID
|
Parameters
|
|
0x00
|
0x50
|
0x01
|
0x02
|
length
|
*thresholds
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|
| HalCapSenseSetStuckKeyDetectionThresholds(uint8 length, uint8 *thresholds) - AREQ
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|
Byte 0 - 1
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Byte 2
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Byte 3
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Byte 4
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Byte 5
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Byte 6 - (length + 6)
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|
Length
|
Type / Sub-System
|
Peripheral Sub-Sub-System
|
Command ID
|
Parameters
|
|
0x00
|
0x50
|
0x01
|
0x02
|
length
|
*thresholds
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|
From Network Processor[edit]
| CapSenseButtonPressedInd(uint16 buttonBitMap) - AREQ
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|
Byte 0 - 1
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Byte 2
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Byte 3
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Byte 4
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Byte 5-6
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|
Length
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Type / Sub-System
|
Peripheral Sub-Sub-System
|
Command ID
|
Parameters
|
|
0x00
|
0x50
|
0x01
|
0x01
|
buttonBitMap
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|
| CapSenseRawDataInd(uint8 btnId, uint16 value, uint16 mean, uint16 detectionOffset) - AREQ
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|
Byte 0 - 1
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Byte 2
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Byte 3
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Byte 4
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Byte 5
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Byte 6 - 7
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Byte 8 - 9
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Byte 10 - 11
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|
Length
|
Type / Sub-System
|
Peripheral Sub-Sub-System
|
Command ID
|
Parameters
|
|
0x00
|
0x50
|
0x01
|
0x02
|
btnId
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value
|
mean
|
detectionOffset
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|
| CapSenseRawDataInd32(uint8 btnId, int value, int mean, int detectionOffset) - AREQ
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|
Byte 0 - 1
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Byte 2
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Byte 3
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Byte 4
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Byte 5
|
Byte 6 - 9
|
Byte 10 - 13
|
Byte 14 - 17
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|
Length
|
Type / Sub-System
|
Peripheral Sub-Sub-System
|
Command ID
|
Parameters
|
|
0x00
|
0x50
|
0x01
|
0x02
|
btnId
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value
|
mean
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detectionOffset
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|
