User’s Manual
55
Enables the RS-485 transmitter. Transmitted data get echo'ed back into the receive data buffer. These
echo'ed data could be used to know when to disable the transmitter by using one of the following
methods:
Byte mode—disable the transmitter after the same byte that is transmitted is detected in the receive
data buffer.
Block data mode—disable the transmitter after the same number of bytes transmitted is detected in the
receive data buffer.
serMode()
must be executed before running this function.
SEE ALSO
serMode, ser485Rx
Disables the RS-485 transmitter. This puts the LP3500 in listen mode, which allows it to receive data
from the RS-485 interface.
serMode()
must be executed before running this function.
SEE ALSO
serMode, ser485Tx
NOTE:
The RS-485 transceiver used on the LP3500 is only capable of supporting a max-
imum baud rate of 64,000 bits/s. The baud rate is set by the Dynamic C
_485BAUD
macro. For example, add the following line on the
Defines
tab in the Dynamic C
Options > Project Options
to set a baud rate of 57,600 bits/s, then click
OK
.
_485BAUD=57600
void ser485Tx(void);
void ser485Rx(void);
Summary of Contents for Fox LP3500
Page 1: ...Fox LP3500 C Programmable Single Board Computer User s Manual 019 0111 081121 L...
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