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Read and Write EEPROM(AT24C02A) by I2C under vxworks on TQ210

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fall 发表于 2013-6-24 11:11:19 | 显示全部楼层 |阅读模式
本帖最后由 fall 于 2013-6-24 11:11 编辑

-> eepromRdWr
Usage: eepromRdWr( 'mode', 'addr', 'val' )

'mode' -> '1'[read], '0'[write]

'addr' -> address for read or write

'val' -> value for read or write
value = 10 = 0xa
-> eepromRdWr 0,0x0,0x11
You specify the address [0x0] for writing
Write 0x11 to   [0x0]
value = 22 = 0x16
-> eepromRdWr 0,0x1,0x12
Write 0x12 to   [0x1]
value = 22 = 0x16
-> eepromRdWr 0,0x2,0x13
Write 0x13 to   [0x2]
value = 22 = 0x16
-> eepromRdWr 0,0x3,0x14
Write 0x14 to   [0x3]
value = 22 = 0x16
-> eepromRdWr 0,0x4,0x15
Write 0x15 to   [0x4]
value = 22 = 0x16
-> eepromRdWr 0,0x5,0x16
Write 0x16 to   [0x5]
value = 22 = 0x16
-> eepromRdWr 0,0x6,0x17
Write 0x17 to   [0x6]
value = 22 = 0x16
-> eepromRdWr 0,0x7,0x18
Write 0x18 to   [0x7]
value = 22 = 0x16
-> eepromRdWr 1,0x0
You specify the address [0x0] for reading
Read  0x11 from [0x0]
value = 22 = 0x16
-> eepromRdWr 1,0x1
Read  0x12 from [0x1]
value = 22 = 0x16
-> eepromRdWr 1,0x2
Read  0x13 from [0x2]
value = 22 = 0x16
-> eepromRdWr 1,0x3
Read  0x14 from [0x3]
value = 22 = 0x16
-> eepromRdWr 1,0x4
Read  0x15 from [0x4]
value = 22 = 0x16
-> eepromRdWr 1,0x5
Read  0x16 from [0x5]
value = 22 = 0x16
-> eepromRdWr 1,0x6
Read  0x17 from [0x6]
value = 22 = 0x16
-> eepromRdWr 1,0x7
Read  0x18 from [0x7]
value = 22 = 0x16
->
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