main.c

atmel flash 烧写源代码

#include <stdio.h>

#include "lib_flash_at49.h"
#include "flash_at49_data.c"

unsigned long base_addr = 0x1000000;
unsigned long load_addr = 0x11FFF00;

#define BSIZE 16384
char buffer[BSIZE];

int main(int argc, char *argv[]) {
  int i;
  FILE *f;

#ifdef TRIVIAL
  if (argc==1) {
    char *p = (char*) load_addr;
    for(i=0;i<256;i++) {
      if (*p < 32 || *p > 126) {
	printf(".");
      }
      else {
	printf("%c",*p);
      }
      p++;
    }
    printf("\n");
  }
  else if (argc==2) {
    flash_at49_init_write ( (flash_word *) base_addr,
					(flash_word *) load_addr ,
					&FlashTable[2]);
    flash_at49_erase_write_block(argv[1],strlen(argv[1])+1);
  }
  else {
    printf("Usage: atmel-flash [what]");
    exit(1);
  }
#else
  if (argc!=3) {
    printf("Usage: atmel-flash [file] [addr (hex)]");
    exit(1);
  }
  f = fopen(argv[1]);
  if (!f) {
    perror("Cannot open input file");
    exit(1);
  }
  load_addr = strtol(argv[2],NULL,16);
  if (load_addr==0) {
    printf("Invalid load address\n");
    exit(1);
  }
  flash_at49_init_write ( (flash_word *) base_addr,
			  (flash_word *) load_addr ,
			  &FlashTable[2]);
  while( (i = fread(buffer,1,BSIZE,f)) > 0 ) {
    flash_at49_erase_write_block(buffer,i);
  }
  fclose(f);
#endif
}