TH10339B - How does a single-chip firmware processing method handle clock signals and data from the keyboard linker to operate synchronously on a Novell workstation or non-networked system and related hardware? - Google Patents

Abstract

Single-chip firmware processing method for the signal from the clock line and data signal lines of the keyboard linkage to operate synchronously at the Novell or work station. or non-network systems and related hardware including Using a single-chip twisted CTRL which has a boolean algebraic processor. By the function of the CTRL bill's logic instruction set to detect or set external states. under time mode actually through the clock signal line or the asynchronous data signal line of the keyboard connector, or to separate the two signal lines (TX and RX) and use a single chip of the CTRL bits by part of the firmware operation. to allow the keyboard work in the Novell system or work station or non-network systems

Claims (3)

1. Keyboard coherence device for linking the keyboard to the computer system. The associated device has (a) a clock line that responds to that computer system at a certain level when data may be sent from the keyboard to the computer system. (B) A data detector to detect. When there is data to be transmitted from the keyboard to the computer system (c) the storage (d) the transmitting part for transmitting such information includes: line level detector for detecting line level. Such a signal To generate a transmit signal when the aforementioned clock line is at the aforementioned level And in other cases it will signal failure. The transmission opening in response to the transmission signal and the retry that responds to the failed signal to cause the clock line level detector to detect the level of the new clock line. After a predefined delay in order to try to reproduce the transmission that has not yet been sent after that delay. By the way, the open part of the transmission It will attempt to send the unsent data for the preset number of times. After the unsent information is stored in the storage 2. Keyboard linking device according to claim 1, where the data line that responds to the computer system is at a second level when data may be transmitted from the computer system to the said keyboard. The device also contains Data line level detector for detecting the level of such data line. To produce a control signal Where the recursive attempt of the sender responds to the said control signal to modify the said delay. 3. Keyboard linkage device according to claim 2, where such control signal will cause such preset delay to be eliminated.