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Merge pull request #1375 from stefanrueger/cache

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Prevent terminal write error in r/o region when memory unchanged
This commit is contained in:
Stefan Rueger
2023-06-04 22:06:04 +01:00
committed by GitHub
parent 19b4029eea 784c83d23a
commit 536c84ca2e
1 changed files with 6 additions and 3 deletions
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9
src/avrcache.c
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@@ -625,9 +625,6 @@ int avr_read_byte_cached(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *
int avr_write_byte_cached(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *mem,
unsigned long addr, unsigned char data) {
if(pgm->readonly && pgm->readonly(pgm, p, mem, addr))
return LIBAVRDUDE_SOFTFAIL;
// Use pgm->write_byte() if not EEPROM/flash or no paged access
if(!avr_has_paged_access(pgm, mem))
return fallback_write_byte(pgm, p, mem, addr, data);
@@ -650,6 +647,12 @@ int avr_write_byte_cached(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM
if(loadCachePage(cp, pgm, p, mem, addr, cacheaddr, 0) < 0)
return LIBAVRDUDE_GENERAL_FAILURE;
if(cp->cont[cacheaddr] == data)
return LIBAVRDUDE_SUCCESS;
if(pgm->readonly && pgm->readonly(pgm, p, mem, addr))
return LIBAVRDUDE_SOFTFAIL;
cp->cont[cacheaddr] = data;
return LIBAVRDUDE_SUCCESS;