Initial import

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/ihexparse@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-07-19 07:44:42 +00:00
commit e3ae10069e
25 changed files with 1287 additions and 0 deletions
@@ -0,0 +1,108 @@
+/*************************************************************************/
+/* ihexparse.h
+/*************************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+#include <types.h>
+#include <ihexparse.h>
+
+UINT32 HexCreate(HEXREC *pObj, char *name)
+{
+	pObj->pFile = fopen(name,"wa");
+	if (pObj->pFile <= 0)
+		return -1;
+	return 0;
+}
+
+UINT32 HexOpen(HEXREC *pObj, char *name)
+{
+	pObj->pFile = fopen(name,"ra");
+	if (pObj->pFile <= 0)
+		return -1;
+	return 0;
+}
+
+UINT32 HexReadRecord(HEXREC *pObj)
+{
+  UINT8 val8;
+  UINT16 i;
+  UINT32 val32;
+  INT32 status;
+
+  val8 = 0;	
+  /* Read Record Start character */
+  while (val8 != ':')
+  {
+	  status = fscanf(pObj->pFile,"%c",&val8);
+      if (status <= 0)
+	    return HEXREC_ERROR;
+  }
+
+  /* Read Record Length */
+  fscanf(pObj->pFile,"%2x",&pObj->length);
+  
+  /* check if hex file is finished */
+  if (pObj->length == 0)
+  {
+	  status = fscanf(pObj->pFile,"%8x",&val32);
+      if (status <= 0)
+	    return HEXREC_ERROR;
+      if (val32 == 0x000001FF)
+		return HEXREC_END;
+  }
+
+  /* Read Start Address */
+  fscanf(pObj->pFile,"%4x",&pObj->dataStart);
+
+  /* Read Record Type */
+  fscanf(pObj->pFile,"%2x",&pObj->type);
+
+  /* Read Record Data */
+  for (i=0; i <pObj->length; i++)
+    fscanf(pObj->pFile,"%2x",&pObj->recData[i]);
+
+  /* Read Checksum */
+  fscanf(pObj->pFile,"%2x",&pObj->checksum);
+  if (pObj->checksum != HexCalcChecksum(pObj))
+	  return HEXREC_ERROR;
+
+  return i;
+}
+
+UINT32 HexWriteRecord(HEXREC *pObj)
+{
+  UINT16 i;
+
+  fprintf(pObj->pFile,":%2.2X%4.4X%2.2X",pObj->length,pObj->dataStart,pObj->type);
+
+  for (i=0; i < pObj->length; i++)
+	  fprintf(pObj->pFile, "%2.2X",pObj->recData[i]);
+
+  pObj->checksum = HexCalcChecksum(pObj);
+  fprintf(pObj->pFile, "%2.2X\n",pObj->checksum);
+	
+  return i;
+}
+
+UINT32 HexClose(HEXREC *pObj)
+{
+	pObj->length=0;
+	pObj->type=0x01;
+	pObj->dataStart=0x0000;
+	return HexWriteRecord(pObj);
+}
+
+UINT8 HexCalcChecksum(HEXREC *pObj)
+{
+	UINT16 i;
+	UINT8 sum;
+
+	sum  =  pObj->dataStart & 0xFF;
+	sum += (pObj->dataStart >> 8) & 0xFF;
+	sum	+= pObj->length + pObj->type;
+
+	for (i=0; i < pObj->length; i++)
+		sum += pObj->recData[i];
+
+	return (0xFF - sum + 1);
+}