annotate flash.h @ 24:1e2fa7396f98

Reduce prescaler to 2, the flash is capable of 25MHz reads (although the touch screen is limited to ~2.5MHz)
author Daniel O'Connor <darius@dons.net.au>
date Sat, 17 Nov 2012 12:17:58 +1030
parents bd8e2cf04034
children a9cc07caa801
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1 void flashcmd(char **, int);
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2 uint16_t flashreadid(void);
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3 uint8_t flashreadstatus(void);
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4 void flashwritestatus(uint8_t status);
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5 void flashwritectl(int enable);
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6 void flash4kerase(uint32_t addr);
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7 uint8_t flashread(uint32_t addr);
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8 void flashenablewrite(void);
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9 void flashwrite(uint32_t addr, uint8_t data);
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11 #define FL_BUSY (1<<0)
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12 #define FL_WEL (1<<1)
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13 #define FL_BP0 (1<<2)
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14 #define FL_BP1 (1<<3)
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15 #define FL_BP2 (1<<4)
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16 #define FL_BP3 (1<<5)
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17 #define FL_AAI (1<<6)
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18 #define FL_BPL (1<<7)
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19
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20 #define FL_READ 0x03
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21 #define FL_HSREAD 0x0b
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22 #define FL_4KERASE 0x20
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23 #define FL_32KERASE 0x52
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24 #define FL_64KERASE 0xd8
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25 #define FL_CHIPERASE 0x60
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26 #define FL_BYTEPROG 0x02
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27 #define FL_AAIWP 0xad
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28 #define FL_RDSR 0x05
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29 #define FL_EWSR 0x50
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30 #define FL_WRSR 0x01
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31 #define FL_WREN 0x06
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32 #define FL_WRDI 0x04
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33 #define FL_RDID 0x90
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34 #define FL_JEDECID 0x9f
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35 #define FL_EBSY 0x70
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36 #define FL_DBSY 0x80
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