Ezurio BISM2 Guide de l'utilisateur télécharger pdf (Page 12)

In the event that a non-standard baud rate is requested, it is

entirely possible that the host is not capable of generating such a

baud rate. In this case the EZURiO device cannot be communicated

with. If this happens, there is a procedure to recover from this

situation which is described in section titled “Factory Default

Mode”

The default is 9600 for the EZURiO Module and 115200 for other EZURiO

devices.

For the Go blue Activator variant of the module this register is read only

See S Register 526 for further information

S522 1 1 1 = CTS/RTS hardware handshaking enabled

For the Go blue Activator variant of the module this register is read only.

See S Register 526 for further information.

S523 1 1..2 Number of Stop bits

For the Go blue Activator variant of the module this register is read only.

See S Register 526 for further information.

S524 0 0..2 Parity. 0=None, 1=Odd, 2=Even

For the Go blue Activator variant of the module this register is read only.

See S Register 526 for further information.

S525 See

Comment

0..1 Apply multiplier of 8 to baud rate internally. This is set to 0 (disabled) by

default for the EZURiO Module/RS-232 Adaptor/Universal RS-232 Adaptor,

and set to 1 (enabled) by default for the EZURiO PC Card.

It is required in the PC Card because the UART chip on the PC Card is

driven by a 14.7456MHZ crystal instead of 1.8432MHz. This means that

when a host asks for a baud rate, in reality it gets a baud rate which is 8

times faster.

If S Register 521 > 115200 then this register cannot be set to 1.

For the Go blue Activator variant of the module this register is read only.

See S Register 526 for further information.

S526 3 1..3 This register specifies a 2 bit mask used to qualify how S Registers 520 to

525 are actioned.

When bit 0 is 1, the new comms parameter affects the UART immediately.

When bit 1 is 1, the new comms parameter is stored in non-volatile

memory

So for example, to change comms parameters, but have them come into

effect only after subsequent power cycles, then this register should be set

to 2, and likewise to affect immediately and yet not have it persist over a

power cycle, the value should be set to 1. Must be set before the baud rate

change.

S530 1000 100..15000 Reconnect delay when configured as master in pure-cable-replacement

mode. This value is rounded down to the nearest 100ms. See S Register

505 and 543 also

S531 0 0..3 Specifies the mode on connection establishment.

0 = Normal, that data is exchanged between UART and RF

1 = LOCAL_COMMAND. UART input is parsed by the AT interpreter and RF

data is discarded

2 = REMOTE_COMMAND. RF input is parsed by the AT interpreter and

UART data is discarded. If S Reg 536 is not 1 then this register cannot be

set to 2 and an ERROR will be returned

3=LOCAL_COMMAND. UART input is parsed by the AT interpreter and

incoming RF data is sent to the host using the RX<string> asynchronous

response.

4=LOCAL_COMMAND and on the RF side, the GPIO is automatically sent

when there is a change in input. See section 9.5 for more details.

S532 0 0..7 If non zero then on every connection, and SCO channel (audio) will be

initiated. Bit 0 for HV1, Bit1 for HV2 and Bit2 for HV3

S533 1 0..2 If set to 1 then left LED follows RI state, if set to 2 then it follows the state

of DSR and if 0 the LED is not driven and GPIO5 is available as a user I/O.

This register will not necessarily be effective immediately after changing

the value. It must be saved to non-volatile memory using AT&W and will

operate as expected after an ATZ or a power cycle.

S534 1 0..2 When set to 0, GPIO4 is available as user i/o

If set to 1 then right LED follows DCD state. If set to 2 then the led

behaves as per setting 1, but in addition, when not in a connection, if the

device is connectable or discoverable, then the led will blink.

This register will not necessarily be effective immediately after changing

the value. It must be saved to non-volatile store using AT&W and will

operate as expected after an ATZ or a power cycle.

DSH_50003_v1v3 AT Command Reference 12 of 33

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 32 33

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Ezurio BISM2 Guide de l'utilisateur Page 12

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