avr: added flash-related messages.

aqhome/msg/msg_flashdata.c

@@ -0,0 +1,111 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "aqhome/msg/msg_flashdata.h"
+
+#include <gwenhywfar/misc.h>
+#include <gwenhywfar/list.h>
+#include <gwenhywfar/error.h>
+#include <gwenhywfar/debug.h>
+
+
+#define AQH_MSG_OFFS_FLASHDATA_ADDRESS      0 /* 4 bytes */
+#define AQH_MSG_OFFS_FLASHDATA_DATA         4 /* x bytes */
+
+
+#define AQH_MSG_FLASHEND_MINSIZE          (AQH_MSG_OFFS_ALL_DATA_BEGIN+AQH_MSG_OFFS_FLASHDATA_DATA)
+
+
+
+GWEN_MSG *AQH_FlashDataMsg_new(uint8_t srcAddr, uint8_t destAddr, uint8_t code, uint32_t addr,
+                               const uint8_t *dataPtr, uint32_t dataLen)
+{
+  GWEN_MSG *msg;
+  uint8_t *ptr;
+  int rv;
+  uint32_t i;
+
+  msg=AQH_NodeMsg_new(destAddr, srcAddr, code, dataLen+4, NULL);
+  ptr=GWEN_Msg_GetBuffer(msg)+AQH_MSG_OFFS_ALL_DATA_BEGIN+AQH_MSG_OFFS_FLASHDATA_ADDRESS;
+
+  *(ptr++)=addr & 0xff;
+  *(ptr++)=(addr>>8) & 0xff;
+  *(ptr++)=(addr>>16) & 0xff;
+  *(ptr++)=(addr>>24) & 0xff;
+
+  for (i=0; i<dataLen; i++) {
+    *(ptr++)=*(dataPtr);
+  }
+
+  rv=AQH_NodeMsg_AddChecksum(msg);
+  if (rv<0) {
+    DBG_INFO(AQH_LOGDOMAIN, "here (%d)", rv);
+    GWEN_Msg_free(msg);
+    return NULL;
+  }
+
+  return msg;
+
+}
+
+
+
+uint32_t AQH_FlashDataMsg_GetAddress(const GWEN_MSG *msg)
+{
+  return GWEN_Msg_GetUint32At(msg, AQH_MSG_OFFS_ALL_DATA_BEGIN+AQH_MSG_OFFS_FLASHDATA_ADDRESS, 0);
+}
+
+
+
+uint8_t AQH_FlashDataMsg_GetDataLen(const GWEN_MSG *msg)
+{
+  uint8_t msgDataLen;
+
+  msgDataLen=GWEN_Msg_GetUint8At(msg, AQH_MSG_OFFS_ALL_PAYLOAD_LEN, 0);
+  if (msgDataLen>AQH_MSG_FLASHEND_MINSIZE)
+    return msgDataLen-AQH_MSG_OFFS_ALL_DATA_BEGIN-AQH_MSG_OFFS_FLASHDATA_DATA;
+  return 0;
+}
+
+
+
+const uint8_t *AQH_FlashDataMsg_GetDataPtr(const GWEN_MSG *msg)
+{
+  const uint8_t *ptr;
+
+  ptr=GWEN_Msg_GetConstBuffer(msg);
+  if (GWEN_Msg_GetBytesInBuffer(msg)>=AQH_MSG_FLASHEND_MINSIZE)
+    return ptr+AQH_MSG_OFFS_ALL_DATA_BEGIN+AQH_MSG_OFFS_FLASHDATA_DATA;
+  return NULL;
+}
+
+
+
+void AQH_FlashDataMsg_DumpToBuffer(const GWEN_MSG *msg, GWEN_BUFFER *dbuf, const char *sText)
+{
+  if ((AQH_NodeMsg_GetMsgType(msg)==AQH_MSG_TYPE_FLASH_READY) &&
+      (GWEN_Msg_GetBytesInBuffer(msg)>=AQH_MSG_FLASHEND_MINSIZE)) {
+    GWEN_Buffer_AppendArgs(dbuf, "0x%02x->0x%02x: FLASHDATA %s (data address=0x%04x, data length=%d)\n",
+                           AQH_NodeMsg_GetSourceAddress(msg),
+                           AQH_NodeMsg_GetDestAddress(msg),
+                           sText,
+                           AQH_FlashDataMsg_GetAddress(msg),
+                           AQH_FlashDataMsg_GetDataLen(msg));
+  }
+}
+
+
+
+
+
+
+