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ADNK-6003-SP01 Datasheet(PDF) 9 Page - AVAGO TECHNOLOGIES LIMITED |
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ADNK-6003-SP01 Datasheet(HTML) 9 Page - AVAGO TECHNOLOGIES LIMITED |
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9 / 16 page  9 Figure 6. USB Operation Function Call Map System Initialization Normal Mouse Mode Judge Mode Load SROM Adjust Laser Main Loop Sample Mouse ReadDeltaX ReadDeltaY Read Z Wheel Send Data USB Initialization Detect Key Change Calibration Operation Calibration Loop Calibration Mode Process Command Write EEPROM Reset Sensor Finish Command Echo Read Sensor Write Sensor Read EEPROM Test Sensor USB Functions Main_loop –This function spins in an infinite loop waiting for an event that needs servicing. sample_mouse and report_mouse_data are the functions which are called within this loop to retrieve any new motion or button in- formation. The data received from these functions will be loaded into the endpoint 1 buffer to be sent to the host. ep0SetupReceived – This routine is entered whenever a SETUP packet is received in on endpoint 0. It parses the packet and calls the appropriate routine to handle the packet. ep0InReceived – This routine is entered whenever an IN packet is received on endpoint 0. ep0OutReceived – This routine is entered whenever an OUT packet is received on endpoint 0. setDeviceConfiguration – This routine is entered when a SET CONFIGURATION request has been received from the host. setDeviceAddress – This routine is entered whenever a SET ADDRESS request has been received. The device address change cannot actually take place until after the status stage of this no-data control transaction, so the address is saved and a flag is set to indicate that a new address was just received. The code that handles IN trans- actions will recognize this and set the address properly. setInterfaceIdle – This routine is entered whenever a SET IDLE request is received. See the HID specification for the rules on setting idle periods. This function sets the HID idle time. See the HID documentation for details on handling the idle timer. setInterfaceProtocol – This routine is entered whenever a SET PROTOCOL request is received. This no-data control transaction enables boot or report protocol. getInterfaceReport – This routine is entered whenever a GET REPORT request is received. getInterfaceIdle – This routine is entered whenever a GET IDLE request is received. This function then initiates a control-read transaction that returns the idle time. See the HID class documentation for more details. getDeviceConfiguration – This routine is entered whenever a GET CONFIGURATION Request is received. This function then starts a control read transaction that sends the configuration, interface, endpoint, and HID de- scriptors to the host. requestNotSupported – Unsupported or invalid descrip- tor requests will cause this firmware to STALL these trans- actions. |
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