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#include "globals.h"
GlobalStruct globals = {
.ChannelState = {0.0},
.error_queue = {0},
.number_of_errors = 0
};
int readUserBlock(void)
{
// read the flash.copy file into the globals.Flash struct
// and return the number of bytes read in
// if the file does not exist, then "return 0";
return 0;
}
void writeUserBlock(int addr, int numbytes)
{
// check if flash.copy file exists
// - if it does, update the requested address and
// number of bytes
// - if does not, create the file and
// set addr = 0, numbytes = sizeof (mem)
// so that entire struct will be written,
// instead of just the requested range
// All writing should be done in a super-safe
// way. Non-corruption, even during a power-off transient,
// is the priority here. We do not want instruments
// losing configuration data ever, because that
// means expensive repairs.
}
void initFlash(void)
{
if (readUserBlock() > 0) return;
// uninitialized device!
globals.Flash.flash_start = (char) 99;
strcpy(globals.Flash.aux_error_message,"FIXME");
globals.Flash.channels = (short) 1;
globals.Flash.enable_avrq_extra_ampls = (char) 12;
globals.Flash.ChanKey_frequency = (char) 0;
// save the default Flash config, for nonvolatile persistence
writeUserBlock(0, sizeof(globals.Flash));
}
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