S1D13704 Epson Electronics America, Inc., S1D13704 Datasheet - Page 152

• Manufacturer Part Number: S1D13704
• Description: LCD Controller
• Manufacturer: Epson Electronics America, Inc.

Page 56
S1D13704
X26A-G-002-03
int seReadDisplayWord(int DevID, DWORD Offset, WORD *pWord)
Description:
Parameters:
Return Value: ERR_OK
int seReadDisplayDword(int DevID, DWORD Offset, DWORD *pDword)
Description:
Parameters:
Return Value: ERR_OK - operation completed with no problems.
int seWriteDisplayBytes(int DevID, DWORD Offset, BYTE Value,
DWORD Count)
Description:
Parameters:
Return Value: ERR_OK
Reads a word from the display buffer at the specified offset and returns the value in
pWord.
DevID
Offset
pWord
ERR_HAL_BAD_ARG - if the value for Addr is greater than 40 kb.
Reads a dword from the display buffer at the specified offset and returns the value
in pDword.
DevID
Offset
pDword
ERR_HAL_BAD_ARG - if the value for Addr is greater than 40 kb.
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.
DevID
Offset
Value
Count
ERR_HAL_BAD_ARG - if the value for Addr or the value of Addr plus Count is
greater than 40 kb.
- registered device ID
- offset, in bytes from start of the display buffer, to read from
- pointer to a WORD to return the value in
- operation completed with no problems.
- registered device ID
- offset from start of the display buffer to read from
- pointer to a DWORD to return the value in
- registered device ID
- offset from start of the display buffer to start writing at
- BYTE value to write
- number of bytes to write
- operation completed with no problems
Epson Research and Development
Programming Notes and Examples
Vancouver Design Center
Issue Date: 01/02/12