补充tools目录

tools/bin_tool/hex2bin.c

@@ -0,0 +1,117 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <malloc.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#define strtoul(cp, endp, base)    simple_strtoul(cp, endp, base)
+
+void print_binary(FILE *fp, uint32_t n)
+{
+    uint8_t arr[32] = {0};
+    int len = 0;
+    for(len = 0; len < 32; len++){
+        arr[len] = (n&1)+'0';
+        n = n>>1;
+
+    }
+
+    len--;
+    while (len >= 0 ){
+        fprintf(fp,"%c", arr[len]);
+        len--;
+    }
+    fprintf(fp,"\n");
+}
+
+unsigned long simple_strtoul(const char *cp, char **endp,
+                unsigned int base)
+{
+    unsigned long result = 0;
+    unsigned long value;
+
+    if (*cp == '0') {
+        cp++;
+        if ((*cp == 'x') && isxdigit(cp[1])) {
+            base = 16;
+            cp++;
+        }
+
+        if (!base)
+            base = 8;
+    }
+
+    if (!base)
+        base = 10;
+
+    while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
+        ? toupper(*cp) : *cp)-'A'+10) < base) {
+        result = result*base + value;
+        cp++;
+    }
+
+    if (endp)
+        *endp = (char *)cp;
+
+    return result;
+}
+
+int main( int argc, char *argv[] )
+{
+    char buf[128];
+    FILE *fin = NULL, *fout = NULL;
+    int i = 0;
+    uint8_t val;
+    off_t filesize, offset;
+    uint32_t tmp = 0;
+
+    if( ( fin = fopen( argv[1], "rb" ) ) == NULL ){
+        printf("fopen(%s,r) failed\n", argv[1] );
+        goto exit;
+    }
+
+    if( ( fout = fopen( argv[2], "w+" ) ) == NULL ){
+        printf("fopen(%s,w+) failed\n", argv[2] );
+        goto exit;
+    }
+
+    if( argc > 3){
+        filesize = atoi(argv[3]);
+    } else{
+        if( ( filesize = lseek( fileno( fin ), 0, SEEK_END ) ) < 0 ){
+            perror( "lseek" );
+            goto exit;
+        }
+    }
+
+    if( fseek( fin, 0, SEEK_SET ) < 0 ){
+         printf( "fseek(0,SEEK_SET) failed\n" );
+         goto exit;
+    }
+
+    while(1) {
+        memset(buf, 0x0, 128);
+        char *st = fgets(buf,128, fin);
+        char **endp = NULL;
+
+        if (st == NULL) {
+            break;
+        }
+        tmp = strtoul(buf, endp, 16);
+        //printf("%s:%08x\n", buf, tmp);
+        //fprintf(fout, "%08x\n", tmp);
+        print_binary(fout, tmp);
+    }
+
+exit:
+    if(fin){
+        fclose(fin);
+    }
+
+    if(fout){
+        fclose(fout);
+    }
+}