adding spi01 example.

spi01/dumphex.c

@@ -0,0 +1,193 @@
+
+//-------------------------------------------------------------------
+//-------------------------------------------------------------------
+//-------------------------------------------------------------------
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+//-------------------------------------------------------------------
+unsigned char mem[0x10000];
+#define ROMMASK 0x00FFFF
+unsigned short rom[ROMMASK+1];
+
+FILE *fpout;
+
+unsigned char gstring[80];
+unsigned char newline[1024];
+
+
+//-----------------------------------------------------------------------------
+int readhex ( FILE *fp )
+{
+//unsigned int errors;
+
+unsigned int addhigh;
+unsigned int add;
+
+unsigned int ra;
+//unsigned int rb;
+
+//unsigned int pages;
+//unsigned int page;
+
+unsigned int line;
+
+unsigned char checksum;
+
+unsigned int len;
+unsigned int maxadd;
+
+unsigned char t;
+
+    addhigh=0;
+    memset(rom,0x55,sizeof(rom));
+
+    line=0;
+    while(fgets(newline,sizeof(newline)-1,fp))
+    {
+        line++;
+        //printf("%s",newline);
+        if(newline[0]!=':')
+        {
+            printf("Syntax error <%u> no colon\n",line);
+            continue;
+        }
+        gstring[0]=newline[1];
+        gstring[1]=newline[2];
+        gstring[2]=0;
+
+        len=strtoul(gstring,NULL,16);
+        checksum=0;
+        for(ra=0;ra<(len+5);ra++)
+        {
+            gstring[0]=newline[(ra<<1)+1];
+            gstring[1]=newline[(ra<<1)+2];
+            gstring[2]=0;
+            checksum+=(unsigned char)strtoul(gstring,NULL,16);
+        }
+        if(checksum)
+        {
+            printf("checksum error <%u>\n",line);
+        }
+        gstring[0]=newline[3];
+        gstring[1]=newline[4];
+        gstring[2]=newline[5];
+        gstring[3]=newline[6];
+        gstring[4]=0;
+        add=strtoul(gstring,NULL,16);
+        add|=addhigh;
+
+
+        if(add>0x80000)
+        {
+            printf("address too big 0x%04X\n",add);
+            return(1);
+        }
+        if(len&1)
+        {
+            printf("length odd\n");
+            return(1);
+        }
+
+
+
+        gstring[0]=newline[7];
+        gstring[1]=newline[8];
+        gstring[2]=0;
+        t=(unsigned char)strtoul(gstring,NULL,16);
+
+        //;llaaaattdddddd
+        //01234567890
+
+        switch(t)
+        {
+            default:
+                printf("UNKOWN type %02X <%u>\n",t,line);
+                break;
+            case 0x00:
+                len>>=1;
+                for(ra=0;ra<len;ra++)
+                {
+
+                    if(add>maxadd) maxadd=add;
+
+                    gstring[0]=newline[(ra<<2)+9+2];
+                    gstring[1]=newline[(ra<<2)+9+3];
+                    gstring[2]=newline[(ra<<2)+9+0];
+                    gstring[3]=newline[(ra<<2)+9+1];
+                    gstring[4]=0;
+
+                    rom[add>>1]=(unsigned short)strtoul(gstring,NULL,16);
+                    fprintf(fpout," 0x%04X, //%08X\n",rom[add>>1],add>>1);
+                    add+=2;
+                }
+                break;
+            case 0x01:
+                printf("End of data\n");
+                break;
+            case 0x02:
+                gstring[0]=newline[9];
+                gstring[1]=newline[10];
+                gstring[2]=newline[11];
+                gstring[3]=newline[12];
+                gstring[4]=0;
+                addhigh=strtoul(gstring,NULL,16);
+                addhigh<<=16;
+                printf("addhigh %08X\n",addhigh);
+                break;
+
+        }
+    }
+
+    //printf("%u lines processed\n",line);
+    //printf("%08X\n",maxadd);
+
+    //if(maxadd&0x7F)
+    //{
+        //maxadd+=0x80;
+        //maxadd&=0xFFFFFF80;
+        //printf("%08X\n",maxadd);
+    //}
+
+    //for(ra=0;ra<maxadd;ra+=2)
+    //{
+        //printf("0x%04X: 0x%04X\n",ra,rom[ra>>1]);
+    //}
+
+    return(0);
+
+
+}
+
+
+//-------------------------------------------------------------------
+int main ( int argc, char *argv[] )
+{
+    FILE *fp;
+//unsigned int ra;
+
+    if(argc<2)
+    {
+        printf("hex file not specified\n");
+        return(1);
+    }
+    fp=fopen(argv[1],"rt");
+    if(fp==NULL)
+    {
+        printf("error opening file [%s]\n",argv[1]);
+        return(1);
+    }
+    fpout=fopen("blinker.h","wt");
+    if(fpout==NULL) return(1);
+    fprintf(fpout,"\nconst unsigned short rom[0x80]=\n{\n");
+    if(readhex(fp)) return(1);
+    fprintf(fpout,"};\n\n");
+    fclose(fpout);
+   
+
+
+    return(0);
+}
+//-------------------------------------------------------------------
+//-------------------------------------------------------------------
+