Register / Memory Access - Epson S1D13505F00A Technical Manual

Embedded ramdac lcd/crt controller
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Register / Memory Access

The Register/Memory Access functions provide access to the S1D13505 registers and display buffer
through the HAL.
int seSetReg(int DevID, int Index, BYTE Value)
Description:
Writes Value to the register specified by Index.
Parameters:
DevID
Index
Value
Return Value:
ERR_OK
int seGetReg(int DevID, int Index, BYTE * pValue)
Description:
Reads the value in the register specified by index.
Parameters:
Device
Index
pValue
Return Value:
ERR_OK
int seWriteDisplayBytes(int DevID, DWORD Offset, BYTE Value, DWORD Count)
Description:
This routine writes one or more bytes to display buffer at the offset specified by
Addr. If a count greater than one is specified all bytes will have the same value.
Parameters:
DevID
Offset
Value
Count
Return Value:
ERR_OK
ERR_HAL_BAD_ARG - if the value for Addr is greater than the amount of
int seWriteDisplayWords(int DevID, DWORD Offset, WORD Value, DWORD Count)
Description:
Writes one or more words to the display buffer.
Parameters:
DevID
Offset
Value
Count
Return Value:
ERR_OK
ERR_HAL_BAD_ARG - if the value for Addr is greater than the amount of
S1D13505 PROGRAMMING NOTES
AND EXAMPLES (X23A-G-003-05)
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11: HARDWARE ABSTRACTION LAYER (HAL)
- registered device ID
- register index to set
- value to write to the register
- operation completed with no problems
- registered device ID
- register index to read
- return value of the register
- operation completed with no problems
- registered device ID
- offset from start of the display buffer
- BYTE value to write
- number of bytes to write
- operation completed with no problems
installed memory or if Addr plus Count is greater than
the installed memory.
- registered device ID
- offset from start of the display buffer
- WORD value to write
- number of words to write
- operation completed with no problems
installed memory or if Addr plus Count is greater than
the installed memory.
EPSON
2-41

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