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CP2108 Datasheet(PDF) 9 Page - Silicon Laboratories |
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CP2108 Datasheet(HTML) 9 Page - Silicon Laboratories |
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9 / 36 page  AN169 Rev. 2.3 9 3.10. SI_GetTimeouts Description: Returns the current read and write timeouts. If a timeout value is 0xFFFFFFFF (INFINITE) it has been set to wait infinitely; otherwise the timeouts are specified in milliseconds. Supported Devices: C8051F320/1/6/7, C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D, C8051F380/1/2/3/4/5/6/7, C8051T320/1/2/3/6/7, C8051T620/1/2/3, CP2101/2/3/4/5/8/9 Prototype: SI_STATUS SI_GetTimeouts (LPDWORD ReadTimeout, LPDWORD WriteTimeout) Parameters: 1. ReadTimeout—SI_Read operation timeout (in milliseconds). 2. WriteTimeout—SI_Write operation timeout (in milliseconds). Return Value: SI_STATUS = SI_SUCCESS or SI_INVALID_PARAMETER or SI_DEVICE_IO_FAILED 3.11. SI_CheckRXQueue Description: Returns the number of bytes in the receive queue and a status value that indicates if an overrun (SI_QUEUE_OVERRUN) has occurred and if the RX queue is ready (SI_QUEUE_READY) for reading. Upon indication of an Overrun condition it is recommended that data transfer be stopped and all buffers be flushed using the SI_FlushBuffers command. Supported Devices: C8051F320/1/6/7, C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D, C8051F380/1/2/3/4/5/6/7, C8051T320/1/2/3/6/7, C8051T620/1/2/3, CP2101/2/3/4/5/8/9 Prototype: SI_STATUS SI_CheckRXQueue (HANDLE Handle, LPDWORD NumBytesInQueue, LPDWORD QueueStatus) Parameters: 1. Handle—Handle to the device as returned by SI_Open. 2. NumBytesInQueue—Address of a DWORD variable that contains the number of bytes currently in the receive queue on return. 3. QueueStatus—Address of a DWORD variable that contains the SI_RX_EMPTY (also SI_RX_NO_OVERRUN), SI_RX_OVERRUN, or SI_RX_READY flag. Return Value: SI_STATUS = SI_SUCCESS or SI_DEVICE_IO_FAILED or SI_INVALID_HANDLE or SI_INVALID_PARAMETER |
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