CON021 9200-00006N | EMERSON| Device universality Module

Description

CON021 9200-00006N | EMERSON| Device universality Module

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CON021 9200-00006N is generally divided into the following layers:
—Application layer – user oriented
Soft | ↓
Protocol layer – ready-made protocol stacks, software packages, and standard libraries, mostly ported and not written by oneself, such as FAT, TCPIP, OS, GAME, etc
Phase | ↓
Off | ↓
—Functional layer – realizes device independence, expands various functions of the device, and handles device universality, such as LCD line, circle, rectangle and other functions, such as EEPROM block writing and its own print
Hard | ↓
Device layer – Implement hardware independence, ensure IO independence, and only provide basic functions of the device, such as byte read and write, dot
Drive | ↓
Dynamic – Physical Layer – IO Related, Directly Operating Hardware, Multiple Solutions for Hardware Connection
Corresponding file example 1:
—Application layer – User oriented main program
CON021 9200-00006N Soft | ↓
Device | – Protocol Layer – Existing protocol stacks, algorithms, games, etc. such as FAT, TCPIP, OS, etc
Phase | ↓

Off | ↓
—Functional layer – such as the file LCD. c; LED. c; Eeprom. c; Time. c; Ir. c; Keyboard. c; Harddisk. c; Lead out the functions of LCD lines, circles, rectangles, filling, etc
Hard | ↓↓
Device layer file lcd61202. c; Lcd1520. c; Lcd6963. c; Lcd133x. c; Lcd44780. c; Lcd162x. c; Lcd856x. c or lcd1602. c; Lcd12864. c; Lcd320240. c and other basic initialization, positioning, point writing, and byte writing functions are introduced
Drive | ↓↓
Dynamic – Physical layer – File lcd61202_io.c; Lcd61202-bus. c; Introduce the basic read and write functions of the device
Example 2 of corresponding file application:
—Application layer – User oriented main program
CON021 9200-00006N Soft | ↓
Device | – Protocol Layer – Existing protocol stacks, algorithms, games, etc. such as FAT, TCPIP, OS, etc
Phase | ↓
Off | ↓
—Functional layer – such as the file LCD. c; LED. c; Eeprom. c; Time. c; Ir. c; Keyboard. c; Harddisk. c; Unification of block writing in EEPROM
Hard | ↓↓
Device layer file ee24xx. c; Ee93xx. c; Ee_sdcard. c; Ee29xx. c; Ee28f. c; Ee39xx. c; etc.
Drive | ↓

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