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gclib 2.1.20
Galil Communications Library
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Receive messages and interrupts. More...
Functions | |
byte | gclibjava.GclibJava.GInterrupt () throws GclibJavaException |
Provides access to PCI and UDP interrupts from the controller. | |
String | gclibjava.GclibJava.GMessage () throws GclibJavaException |
Provides access to unsolicited messages from the controller. | |
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inline |
Provides access to PCI and UDP interrupts from the controller.
Interrupts can be generated automatically by the firmware on important events via EI (Enable Interrupt) or by the user in embedded DMC code via UI (User Interrupt). To use this function, -s EI must be used in the GOpen() address string to subscribe to interrupts.
GclibJavaException | If an error is generated by gclib. |
Definition at line 260 of file GclibJava.java.
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inline |
Provides access to unsolicited messages from the controller.
To use this function, -s MG must be used in the GOpen() address string to subscribe to messages. Unsolicited bytes must be flagged by the high-bit setting, CW 1. The driver will automatically set this when subscribing to messages. The user should not overwrite this setting.
Unsolicited messages are data generated by the controller that are not in response to a command, a data record, or an interrupt.
GMessage() will block until a message is received, or the function times out.
Messages are unframed byte streams. There is no guarantee that the user will get complete messages or single messages in a call to GMessage().
GclibJavaException | If an error is generated by gclib. |
Definition at line 288 of file GclibJava.java.