safwriteword

Syntax:

    SAFWriteWord ( location, data_word_value )

Command Availability:

Available on all PIC micro-controllers with SAFM memory

Explanation:

SAFWriteWord is used to write information, word values, to the SAFM data storage, so that it can be accessed later by a programmer on a Personal, or by the SAFRead commands.

location presents the location or relative address to write. The location will range from 0 to SAF_BYTES -1. Each data Word requires 2 SAF Locations, therefore the location will range from either 0 to 254 or 0 to 126 (in steps of 2), depending upon the device.

data is the data that is to be written to the SAFM location. This can be a word value or a word variable.

This method writes information to SAFM given the specific location in SAFM. This method is similar to the methods for EEPROM, but supports Word values.

Example 1:

    '... code preamble to select part
    '... code to setup serial

    'The following example stores in the word value of 0x1234 as SAFM location 34

    SAFWriteWord( 34, 0x1234 )

Example 2:

    #chip 18F24K42, 16
    '... code to setup PPS
    '... code to setup serial

    'This example will write two word values to two specific locations.

     dim Word_Variable1 as Word
     dim Word_Variable2 as Word

    ;Write the data
    SAFWriteWord (16, 0x1234)   'location 16, in this device, equates to 0x7F10
    SAFWriteWord (18, 0x4321)   'location 18, in this device, equates to 0x7F12

   ;Read the data and send to terminal
    SAFReadWord(16, Word_Variable1 )
    SAFReadWord(18, Word_Variable2 )

   HserPrint "Word_Variable1 = "
   Hserprint Word_Variable1
   HSerPrintCRLF
   HserPrint "Word_Variable2 = "
   Hserprint Word_Variable2
   HSerPrintCRLF

If example 2 were displayed on a serial terminal. The result would show, where ---- is the existing value.

Word_Variable1 = 4660
Word_Variable2 = 17185

safwriteword - Anobium/Great-Cow-BASIC-Help GitHub Wiki

SAFWriteWord

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