sed1374 ETC-unknow, sed1374 Datasheet - Page 143
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sed1374
Manufacturer Part Number
sed1374
Description
Sed1374 Embedded Memory Color Lcd Controller
Manufacturer
ETC-unknow
Datasheet
1.SED1374.pdf
(420 pages)
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Epson Research and Development
Vancouver Design Center
9 Hardware Abstraction Layer (HAL)
9.1 Introduction
9.2 API for 1374HAL
9.2.1 Initialization
Programming Notes and Examples
Issue Date: 99/04/27
Note
The HAL is a processor independent programming library provided by Epson with support
for several different computing platforms. The HAL was developed to aid implementation
of internal test programs and provides an easy, consistent method of programming
SED135x, SED137x, and SED138x products on different processor platforms.
The HAL keeps sample code simpler, although end programmers may find the HAL
functions to be limited in their scope, and may wish to ignore the HAL.
The following is a description of the HAL library. Updates and revisions to the HAL may
include new functions not included in the following documentation.
The original design philosophy of the HAL was that function return values would be status
of the call. Most functions simple return ERR_OK. If a value had to be returned then a
pointer of the appropriate type was passed to the function.
The following section describes the HAL functions dealing with SED1374 initialization.
Typically a programmer has only to concern themselves with calls to seRegisterDevice()
and seSetInit().
Description:
Parameters:
Return Value: ERR_OK
int seRegisterDevice(const LPHAL_STRUC lpHalInfo, int * pDevID)
No SED1374 registers are changed by calling seRegisterDevice().
Registers the SED1374 device parameters with the HAL library. The device param-
eters have been configured with address range, register values, desired frame rate,
etc., and have been saved in the HAL_STRUCT structure pointed to by lpHalInfo.
lpHalInfo
pDevice
ERR_UNKNOWN_DEVICE - the HAL was unable to find an SED1374.
- pointer to HAL_STRUCT information structure
- pointer to the integer to receive the device ID
- operation completed with no problems
X26A-G-002-02
SED1374
Page 47
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