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Merge pull request #2014 from dbuchwald/AVR_SD_USERROW

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Fix SerialUPDI AVR32SD28 USERROW memory write operation
This commit is contained in:
Hans
2025-06-10 20:05:02 +02:00
committed by GitHub
parent e190bf9446 4179fcbc88
commit 9d7a893df9
1 changed files with 14 additions and 7 deletions
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21
src/serialupdi.c
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@@ -543,16 +543,23 @@ static int serialupdi_write_userrow(const PROGRAMMER *pgm, const AVRPART *p, con
return -1;
}
if(n_bytes <= UPDI_MAX_REPEAT_SIZE) {
if(updi_write_data(pgm, m->offset + addr, m->buf + addr, n_bytes) < 0) {
pmsg_error("writing USER ROW failed\n");
return -1;
}
} else {
if(updi_write_data_words(pgm, m->offset + addr, m->buf + addr, n_bytes) < 0) {
unsigned int remaining_bytes = n_bytes;
unsigned int addr_offset = 0;
unsigned int current_write_size = 0;
while (remaining_bytes > 0) {
if (remaining_bytes <= UPDI_MAX_REPEAT_SIZE) {
current_write_size = remaining_bytes;
} else {
current_write_size = UPDI_MAX_REPEAT_SIZE;
}
pmsg_debug("Writing %d bytes to address 0x%06x in USERROW", current_write_size, m->offset + addr + addr_offset);
if(updi_write_data(pgm, m->offset + addr + addr_offset, m->buf + addr + addr_offset, current_write_size) < 0) {
pmsg_error("writing USER ROW failed\n");
return -1;
}
addr_offset+=current_write_size;
remaining_bytes-=current_write_size;
}
if(updi_write_cs(pgm, UPDI_ASI_SYS_CTRLA,