© 2015 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FMT1000-series

• Rev. 1.0

9

ProtocolInfo (0x01)

The ProtocolInfo opcode allows the Master to read the active protocol configuration. The format of the message is as

follows (All data is little endian, byte aligned):

struct MtsspInfo

{

uint8_t m_version;

uint8_t m_drdyConfig;

};

m_version

7

6

5

4

3

2

1

0

VERSION [7:0]

m_drdyConfig

Bits 7:4

Reserved for future use

Bit 3

MEVENT: Measurement pipe DRDY event enable

0: Generation of DRDY event is disabled

1: Generation of DRDY event is enabled

Bit 2

NEVENT: Notification pipe DRDY event enable

0: Generation of DRDY event is disabled

1: Generation of DRDY event is enabled

Bit 1

OTYPE: Output type of DRDY pin

0: Push/pull

1: Open drain

Bit 0

POL: Polarity of DRDY signal

0: Idle low

1: Idle high

ConfigureProtocol (0x02)

The ProtocolInfo opcode allows the Master to change the active protocol configuration. The format of the message is

as follows (All data is little endian, byte aligned):

struct MtsspConfiguration

{

uint8_t m_drdyConfig;

};

m_drdyConfig

Bits 7:4

Reserved for future use

Bit 3

MEVENT: Measurement pipe DRDY event enable

0: Generation of DRDY event is disabled

1: Generation of DRDY event is enabled

Bit 2

NEVENT: Notification pipe DRDY event enable

0: Generation of DRDY event is disabled

1: Generation of DRDY event is enabled

Bit 1

OTYPE: Output type of DRDY pin

0: Push/pull

1: Open drain

Bit 0

POL: Polarity of DRDY signal

0: Idle high

1: Idle low