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Implemented byte and page read operations 

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/branches/serialupdi@1514 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Dawid Buchwald 2021-12-08 14:18:21 +00:00 committed by Marius Greuel
parent 748bee8ecf
commit 8f67f9c50b
2 changed files with 21 additions and 7 deletions
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26
avrdude/serialupdi.c
View File

@ -195,19 +195,33 @@ static int serialupdi_chip_erase(PROGRAMMER * pgm, AVRPART * p)
static int serialupdi_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem, static int serialupdi_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char * value) unsigned long addr, unsigned char * value)
{ {
// avrdude_message(MSG_INFO, "%s: error: read byte not implemented yet\n",
// progname);
return updi_read_byte(pgm, mem->offset + addr, value); return updi_read_byte(pgm, mem->offset + addr, value);
// return -1;
} }
static int serialupdi_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m, static int serialupdi_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
unsigned int page_size, unsigned int page_size,
unsigned int addr, unsigned int n_bytes) unsigned int addr, unsigned int n_bytes)
{ {
avrdude_message(MSG_INFO, "%s: error: paged load not implemented yet\n", if (n_bytes > m->readsize) {
progname); unsigned int read_offset = addr;
return -1; unsigned int remaining_bytes = n_bytes;
int read_bytes = 0;
int rc;
while (remaining_bytes > 0) {
rc = updi_read_data(pgm, m->offset + read_offset, m->buf + read_offset, m->readsize);
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: Paged load operation failed\n", progname);
return rc;
} else {
read_bytes+=rc;
read_offset+=m->readsize;
remaining_bytes-=m->readsize;
}
}
return read_bytes;
} else {
return updi_read_data(pgm, m->offset + addr, m->buf, n_bytes);
}
} }
static int serialupdi_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m, static int serialupdi_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,

2
avrdude/updi_readwrite.c
View File

@ -153,7 +153,7 @@ int updi_read_data(PROGRAMMER * pgm, uint32_t address, uint8_t * buffer, uint16_
# Do the read(s) # Do the read(s)
return self.datalink.ld_ptr_inc(size) return self.datalink.ld_ptr_inc(size)
*/ */
avrdude_message(MSG_DEBUG, "%s: Reading %d bytes from 0x%06X", progname, size, address); avrdude_message(MSG_DEBUG, "%s: Reading %d bytes from 0x%06X\n", progname, size, address);
if (size > UPDI_MAX_REPEAT_SIZE) { if (size > UPDI_MAX_REPEAT_SIZE) {
avrdude_message(MSG_INFO, "%s: Can't read that many bytes in one go\n", progname); avrdude_message(MSG_INFO, "%s: Can't read that many bytes in one go\n", progname);