Changes between Version 3 and Version 4 of Internal/FCIAntenna

Timestamp:

Sep 28, 2016, 9:20:41 PM (8 years ago)

Author:

jkol

Comment:

—

Internal/FCIAntenna

@@ -12 +12 @@
 || 9 || EXT_TX_232 || IN || RS232 Levels, Switch antenna between TX and RX, also requires commands via the CMD interface ||
 
-To enable/disable the antenna from a Raspberry Pi or other microcontroller, the AHC_PWR_EN pin must be connected to ground through an NPN transistor as follows:
+To turn the antenna on/off using a Raspberry Pi or other microcontroller, the AHC_PWR_EN pin must be connected to ground through an NPN transistor as follows:
 
 || [[Image(ahc_pwr_en.png)]] ||
+
+In addition, the "array enable" command must be sent after power on otherwise no further communication can take place. Note that after power on, the serial buffer may contain garbage bytes which may prefix the response of the "array enable" command.
 
 == Software API ==
@@ -20 +22 @@
 Serial port config: 115200bps baudrate, 8 bit data, no parity, 1 stop bit, no flow control
 
+The commands work the same way over either the RS232 or the RS485 (originally via a USB adapter board) connections.
+
 ==== Commands ====