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This commit is contained in:
Markus Fröschle
2012-12-20 11:30:48 +00:00
parent 023972adb0
commit 74b7072916
3 changed files with 24 additions and 20 deletions
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31
BaS_gcc/sources/flash.c
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@@ -25,33 +25,33 @@
* Copyright 2012 M. Froeschle
*/
#include <stdint.h>
void chip_erase(uint8_t *address)
{
* (address + 0xaaa) = 0xaa;
* (address + 0x555) = 0x55;
* (address + 0xaaa) = 0x80;
* (address + 0xaaa) = 0xaa;
* (address + 0x555) = 0x55;
* (address + 0xaaa) = 0x10;
* (volatile uint8_t *) (address + 0xaaa) = 0xaa;
* (volatile uint8_t *) (address + 0x555) = 0x55;
* (volatile uint8_t *) (address + 0xaaa) = 0x80;
* (volatile uint8_t *) (address + 0xaaa) = 0xaa;
* (volatile uint8_t *) (address + 0x555) = 0x55;
* (volatile uint8_t *) (address + 0xaaa) = 0x10;
}
void sector_erase(uint8_t *address, uint16_t sector)
{
* (address + 0xaaa) = 0xaa;
* (address + 0x555) = 0x55;
* (address + 0xaaa) = 0x80;
* (address + 0xaaa) = 0xaa;
* (address + 0x555) = 0x55;
* (address + sector) = 0x30;
* (volatile uint8_t *) (address + 0xaaa) = 0xaa;
* (volatile uint8_t *) (address + 0x555) = 0x55;
* (volatile uint8_t *) (address + 0xaaa) = 0x80;
* (volatile uint8_t *) (address + 0xaaa) = 0xaa;
* (volatile uint8_t *) (address + 0x555) = 0x55;
* (volatile uint8_t *) (address + sector) = 0x30;
do {
;
} while (* (uint32_t *) (address + sector) != 0xffffffff);
} while (* (volatile uint32_t *) (address + sector) != 0xffffffff);
}
#ifdef _NOT_USED_
* MX28LV640DB.alg
bra lab0x5a
move.w #0xaa,d0
@@ -107,3 +107,4 @@ lab0x88:
nop
halt
nop
#endif /* _NOT_USED_ */