[IntelHex] Adding parsing of extended segment address record.

Author: kgills

source/daplink/drag-n-drop/intelhex.c

@@ -157,6 +157,19 @@ hexfile_parse_status_t parse_hex_blob(const uint8_t *hex_blob, const uint32_t he
                                 status = HEX_PARSE_EOF;
                                 goto hex_parser_exit;
 
+                            case EXT_SEG_ADDR_RECORD:
+                                // Could have had data in the buffer so must exit and try to program
+                                //  before updating bin_buf_address with next_address_to_write
+                                memset(bin_buf, 0xff, (bin_buf_size - (uint32_t)(*bin_buf_cnt)));
+                                // figure the start address for the buffer before returning
+                                *bin_buf_address = next_address_to_write - (uint32_t)(*bin_buf_cnt);
+                                *hex_parse_cnt = (uint32_t)(hex_blob_size - (end - hex_blob));
+                                // update the address msb's
+                                next_address_to_write = (next_address_to_write & 0x00000000) | ((line.data[0] << 12) | (line.data[1] << 4));
+                                // Need to exit and program if buffer has been filled
+                                status = HEX_PARSE_UNALIGNED;
+                                return status;
+
                             case EXT_LINEAR_ADDR_RECORD:
                                 // Could have had data in the buffer so must exit and try to program
                                 //  before updating bin_buf_address with next_address_to_write