WI.232FHSS-25-R datasheet(40/67 Pages) RADIOMETRIX

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WI.232FHSS-25-R/ WI.232FHSS-250-R DATASHEET

Revision 1.1.0

4.1.10. Verbose Mode (regSHOWVER)

regNVSHOWVER (0x0A)

regSHOWVER (0x55)

R/W

Default Verbose Mode: Enabled (0x01)

Setting this register to 0x00 will suppress the start-up message, including firmware version, which is sent to

the UART when the module is reset. A value of 0x01 will cause the message to be displayed after reset.

By default, the module start-up message will be displayed. The non-volatile counterpart, regSHOWVER,

has no function.

Verbose Mode

Meaning

0x00

Startup message will NOT be displayed upon reset or power-up

0x01

Startup message will be displayed upon reset or power-up. This is a

blocking call, and any incoming UART data will be lost during the

transmission of this message through the TxD pin. All UART

commands must be sent after this message has completed.

0x02

Startup message will be displayed upon reset or power-up. This is a

non-blocking call. Any incoming UART data will be buffered, and

incoming UART commands will be processed. If a change of baud

rate is commanded while the startup message is being output, the

current byte will finish at the current baud rate, and subsequent bytes

will be transmitted at the new baud rate.

* Available in 250-R firmware 1.1.0 and newer only.

Table 16, Verbose Mode Settings

4.1.11. CSMA Enable (regCSMAMODE)

regNVCSMAMODE (0x0B)

regCSMAMODE (0x56)

R/W

Default CSMA Enable: Enabled (0x01)

Carrier-sense multiple access (CSMA) is a best-effort delivery system that listens to the channel before

transmitting a message. If another Wi.232 module is already transmitting when a message is queued, the

module will wait before sending its payload. This helps to eliminate RF message corruption at the expense

of additional latency. Setting this register to 0x01 will enable CSMA. Setting this register to 0x00 will

disable CSMA. By default, CSMA is enabled.

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