40 lines
967 B
C
40 lines
967 B
C
//bootapp.c
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#include "bootapp.h"
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#include <avr/pgmspace.h>
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#include <avr/wdt.h>
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#include <avr/interrupt.h>
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/*
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void bootapp_print_vars()
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{
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printf_P(_n("boot_src_addr =0x%08lx\n"), boot_src_addr);
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printf_P(_n("boot_dst_addr =0x%08lx\n"), boot_dst_addr);
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printf_P(_n("boot_copy_size =0x%04x\n"), boot_copy_size);
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printf_P(_n("boot_reserved =0x%02x\n"), boot_reserved);
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printf_P(_n("boot_app_flags =0x%02x\n"), boot_app_flags);
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printf_P(_n("boot_app_magic =0x%08lx\n"), boot_app_magic);
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}
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*/
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void bootapp_ram2flash(uint16_t rptr, uint16_t fptr, uint16_t size)
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{
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cli();
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boot_app_magic = 0x55aa55aa;
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boot_app_flags |= BOOT_APP_FLG_COPY;
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uint16_t ui; for (ui = 0; ui < size; ui++)
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{
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uint8_t uc = ram_array[ui+rptr];
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if (pgm_readbyte(ui+fptr) & uc != uc)
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{
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boot_app_flags |= BOOT_APP_FLG_ERASE;
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break;
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}
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}
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boot_copy_size = (uint16_t)size;
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boot_src_addr = (uint32_t)rptr;
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boot_dst_addr = (uint32_t)fptr;
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wdt_enable(WDTO_15MS);
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while(1);
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}
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