 ????-|è|??±? ARM????????1è?-??- |
???????-|????-|?1????è???¨??o???·?¤?????????o??????è?????
a?? ??????Cè?-è¨????
a?? ?o?è§???????????3?????????o??????è????? |
 ??1?????1è±? |
| ??????????????3é???????????????oo????????·????????????è??è?????éa?????????????è????????????·??¨????????3?????§??¤??·??¨??????? |
| è???¨??????? |
1.??????ARM????3???????????·??????????
2.??????a??ARM???Thumb?o¤?o?a??????¨????
3.???????±???????c???c++?··???????¨??????1?3????????????1???????13??°???è?????????¨??????'?????????????????????è??????????????????¨????
4.????????o?o?ARM???????????????????13??°??????è??è????????????§??????¨??????????????????
5.?????????bootloader?????3???????????????????o?è§?????????????????3?????????????????????¨????¨??-????
6.??????Uboot??????
7.??????kernel????????????
8.??????FileSystem???????3??????????
9.??????ARM?o???¨?¨??o???????
10.??????ARM???é?±??¨????????? |
| ??-?o§è§??¨??????????--??-?o?:4008699035 ?????o:15921673576/13918613812/13918613812( ???????????·) |
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???????°???-???è???????o???è????1è?-????????????????o???¨???è????????????oo??°é??3??°5?oo???
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 ???è?????é?'?????°??1 |
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???è????°??1???????????·?????????????¤§?-|(?2aè??)/??°???é??é???????????(11??·?o????é??è·????) ????·±??3???é?¨???????????±?¤§??|(??°é???????·?o??¤§??§é?????)/?·±??3?¤§?-|??????é?? ???????o????é?¨??????????o???-?±±/?|?é???¤§??? ???????o????é?¨??????é??????¤§??|(??????è·?) ????-|?±????é?¨????????3?o??¤§??|???é????°?o?è·???? ??????é?????é?¨??????é??é|???o1??·?????-????¤§é????? ????2?é?3???é?¨???????2?é?3????·??¤§?-|/??-???è????? ???é???·????é?¨??????é???·??¤§?-|/é?|????¤§??| ?????3????o????é?¨???????23????§?????¤§?-|/???????¤§??| ????1??·????é?¨???????1??2??¤§??| ???è????????é?¨?????????????¤§??|
è?????è?????é?'(??¨?????-/è????-??-/?????-??????ARM????????-?????-???é?'???2025?1'8???18???..??¨?????????..........--??3?°????è??--........................(???è????¨???è?????è§????è?2è'¨é????o?????????)
???????????????è???¨?????????-é??é??5??????????????3????-??????????è?·????????¨?o???????è??é???o|
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| ???éa?è???¤???????è????1??? |
a??è????????
è?·??¨è????¨?o???????
a???3¨é??è'¨é??
; a??è?1è?2è?1???
a?????????-|??????è'1??¨è???·????
????3¨é???????1è?-17?1'????????·?????????è???¨??????°???è?????????1??3?è?¤???????-|??????è?????
?????°?¤§??????è?¤???????????°??¨?oo??????????1??3?è??èa????
a?????éa?è???¤?è?·??1???è???????????a?? |
| è???¨??????1??????ARM????·??¨?????????1è?-??- |
| ???é?' |
è???¨??¤§?o2 |
??????é????? Uboot?§??¤????ARM?????? |
| ?-|?1??????? |
??????é????????è???¨????è|????????-|????o?è§?ARM????3???????????·??????????,Uboot??????????????-??o??????è??,Uboot???????-??§??¤??????????ARM?????¤é??????-|???Uboot???????-??§??¤??3????
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1 ARM????3???????
1.1 ARM??????
1.2 ARM????3???????
1.3 ????°'?o?
1.4 ?¤??????¨?·?????¨????
1.5 ARM?¤??????¨???
2 ARM?????¤é??
3 Uboot??????????????-??o
2.1 è???????oé??Linux???è???????o?¤?Windos??±?o???°???
2.2 Uboot??????????????-??o??????è??
4 Uboot?§??¤?
4.1 Uboot????o????????????????è????-??o
4.2 Uboot????§??¤?è???¨?
4.3 Uboot?§??¤??3¨????o?é?1?????????????·§
4.4 Uboot??????è??
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???éa?
1???è???????oé??Linux???è???????o?¤?Windos??±?o???°???????·§
2???Uboot??????????????-??o??????è??
3???Uboot???????-??§??¤???????
|
????o?é????? |
| ?-|?1??????? |
??o???é???3???????????????§è?????a??ARM???Thumb?o¤?o?a??????·??¨??????¨???é??????¨??????¨???????§???1??????é??è??é?¨???è???¨?????-|?1?????-|??????????o?è§?Thumb?????¤?????1??1?????????ARM???Thumb?????¤?o¤?o???1?3????a????????a???????o?¤??????¨???????§???1????·??????1?????¨?3?????·??????-?????????é??è|????è§?è?2?????????è???¨??1??°????????-|?????????ARM?13??°???????o§??????è???¨?????¤??????1?3????
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5
ARM???Thumb?o¤?o?
5.1 ?o¤?o??·??????o???
5.2 ?-??¨??o??o¤?o????veneers
5.3 ARM V5TE??????????±?
6 ???????¤????
6.1 ??-??-?¤????
6.2 Abort?¤????
6.3 SWI ?¤????
6.4 ?¤?????????a????1??????¤?¤????
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???éa????
1???ARM/Thumb?o¤?o?
2???Thumb???????????·è'????éa?
3??????????¤???????éa?
|
??????é????? |
| ?-|?1??????? |
è??????±?????????¤?????????????????????é??è|?????????????è?????????????1Cè?-è¨????è?'????±????è?-è¨??-???¨???????¤??????????è????§?·??-???o??1???????????¨???é?????é?1???????????-????·??¨????é?????????????¨C???C++?-?é???o§è?-è¨??????????????¨??o?é?¨??????é??è?????????¤?è???¨?????-|?1?????-|????????????????±???????c???c++?··???????¨??????1?3????????????1???????13??°???è?????????¨??????'?????????????????????è??????????????????¨????
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7
C/C++ ???è????¨????¤o???????·§
7.1 arm???è???????????
7.2 ?±???????c???c++?··???????¨?
7.3 arm???è????¨è§????
7.4 ?±?é?¨?????¨?±????é??
8 ?????????è?????????¨?
8.1 è°???'c?o???????é????????????13??°
8.2 è°???'????-?????°???????é????????????13??°
8.3 ?¤???????????§????
8.4 ???è?????è°?è????????é?????
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???éa????
1???Cè?-è¨??¨??o????éa?
2????±???????C?··???????¨????éa?
|
??????é????? |
| ?-|?1??????? |
??¨?-|?1?????o????è?o???è????????è??è????????è·????è???o?????????????????¨??????????è???????1??????è???¤?????????????é??è?????????¤?è???¨?????-|?1?????-|?????????????????o?o?ARM???????????????????13??°??????è??è????????????§??????¨??????????????????
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9
??o?o?ARM???????????????????13??°??????è??è??
9.1 ??o?o?ARM???SOC??????
9.2 ?????oARM??????????3????
10 ????????????????13??°?????o?o?Cortex A8???????????????
10.1 GPIO??????
10.2 ADC??????
10.3 UART??????
10.4 I2C??????
10.5 ????????¨
10.6 ??-??-??????
10.7 DMA??????
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???éa????
1???GPIO???éa?
2???UART???éa?
3???????????¨???éa?
4?????-??-???éa?
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????o?é????? Kernel???????§??¤? |
| ?-|?1??????? |
????????¨ARM????-????è??è?????????§??¤??????1?3????????·§???
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11
kernel??????????????-??o????o????????????????????·???·????????¨
11.1 kernel??????????????-??o
11.2 kernel?o??????????
11.3 kernel???????·???·????????¨
11.4 kernel???????????¤
11.5 kernel??????è?????é?????
12
???ARM????§??¤?Kernel??????
12.1 Usb???????§??¤?
12.2 SD????§??¤?
12.3 LCD?§??¤?
12.4 é?3é???§??¤?
12.5 ??2????§??¤?
12.6 ???????§??¤?
; 12.7 è§|????±??§??¤?
12.8 RTC?§??¤?
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???éa????
1???kernel??????????????-??o???éa?
2???kernel??????è?????éa?
3??????ARM????§??¤?Kernel??????
|
?????-é????? FileSystem???????3????????§??¤? |
| ?-|?1??????? |
????????¨ARM????-????è??è??FileSystem???????3????????§??¤??§??¤??????1?3????????·§???
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13
FileSystem???????3????????§??¤?
13.1 FileSystem???????3??????????????????-??o
13.2 FileSystem???????3?????o??????????
13.3 kernel???????·???·????????¨
13.4 kernel???????????¤
13.5 FileSystem???????3???????è?????é?????
14
???ARM????§??¤?FileSystem???????3????
14.1 FileSystem???????3????????¨?
14.2 FileSystem???????3?????§??¤??3¨????o?é?1
14.3 FileSystem???????3????????·§
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???éa????
1???FileSystem???????3??????????????????-??o???éa?
2???FileSystem???????3??????????è?????éa?
3??????ARM????§??¤?FileSystem???????3????
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??????é????? ???Uboot???kenel?????????FileSystem???????3??????????????????? |
| ?-|?1??????? |
????????¨ARM????-????è??è??FileSystem???????3????????§??¤??§??¤??????1?3????????·§???
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15
ARM??§????·???·?????§????????¤è?|è§?
15.1 Arm?????§????·???·
15.2 ARM??§????????¤
15.3 ??§???????????-??o
16
???ARM?????§???Uboot???kenel?????????FileSystem???????3????
16.1 ??§???Uboot ??§???
16.2 ??§???Kernel??????
16.3 ??§???FileSystem???????3????
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???éa????
1???Flash/Uboot???????????¤???éa?
2??????Uboot???kenel?????????FileSystem???????3??????????????????????éa?
|
??????é????? ?o???¨?¨??o?????????? |
| ?-|?1??????? |
????????¨ARM????-????è??è???o???¨?¨??o????????????1?3????????·§???
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17
?o???¨?¨??o??????????????????-??o???????¨?
17.1 ARM??????????o???¨?¨??o????????????-??o
17.2 ARM??????????o???¨?¨??o?????¨?
17.3 ARM??????????o???¨?¨??o??3¨????o?é?1
17.4 ARM??????????o???¨?¨??o????????·§
18
ARM??????????o???¨?¨??o??????????
18.1 ??????????????????
18.2 ??2???????????????
18.3 ??-??-????????????
18.4 è???¨?????????????
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???éa????
1??? ARM??????????o???¨?¨??o????????????-??o
2??????????????????éa?
1??? è???¨??????????éa?
2??????Uboot???kenel?????????FileSystem???????3??????????????????????éa?
|
????1?é????? ARM??????é???o§??????ARM???è??è??é?±??¨?????? |
| ?-|?1??????? |
????????¨ARM????-????è??è??é???o§???????????????ARM???è??è??é?±??¨???????????1?3????????·§???
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19
é?±??¨??????????¨???????????¨?è§?è??????3¨????o?é?1???????·§
19.1 é?±??¨??????????¨?
19.2 é?±??¨?|??????????Kernel??????
19.3 é?±??¨?¨??o??????????è§?è??
19.4 ARM???è??è??é?±??¨??????????3¨????o?é?1
19.5 ARM???è??è??é?±??¨?????????????·§
20
ARM?????????é?±??¨?¨??o??????????
20.1 ??????é?±??¨????????????
20.2 LCDé?±??¨????????????
20.3 SD???????????????
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???éa????
1??? é?±??¨?|??????????Kernel?????????éa?
2??? LCDé?±??¨?????????éa?
3??? ??????é?±??¨?????????éa?
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???????????'???????????o???
