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* avr910.c: Reading a 16 bit word in paged load needs to swap the 

bytes since the 'R' command returns MSB first and the internal buffer
stores LSB first.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@307 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Theodore A. Roth 2003-04-09 20:37:28 +00:00
parent 6c3cb9fbb2
commit 8513530063
2 changed files with 17 additions and 1 deletions
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6
avrdude/ChangeLog
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@ -1,3 +1,9 @@
2003-04-09 Theodore A. Roth <troth@openavr.org>
* avr910.c: Reading a 16 bit word in paged load needs to swap the
bytes since the 'R' command returns MSB first and the internal buffer
stores LSB first.
2003-04-07 Theodore A. Roth <troth@openavr.org> 2003-04-07 Theodore A. Roth <troth@openavr.org>
* stk500.c: Don't print out read/write byte progress unless the verbose * stk500.c: Don't print out read/write byte progress unless the verbose

12
avrdude/avr910.c
View File

@ -572,6 +572,7 @@ static int avr910_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
int rd_size; int rd_size;
unsigned int addr = 0; unsigned int addr = 0;
unsigned int max_addr; unsigned int max_addr;
unsigned char buf[2];
if (strcmp(m->desc, "flash") == 0) { if (strcmp(m->desc, "flash") == 0) {
cmd = 'R'; cmd = 'R';
@ -591,7 +592,16 @@ static int avr910_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
while (addr < max_addr) { while (addr < max_addr) {
avr910_send(pgm, &cmd, 1); avr910_send(pgm, &cmd, 1);
avr910_recv(pgm, &m->buf[addr], rd_size); if (cmd == 'R') {
/* The 'R' command returns two bytes, MSB first, we need to put the data
into the memory buffer LSB first. */
avr910_recv(pgm, buf, 2);
m->buf[addr*2] = buf[1]; /* LSB */
m->buf[addr*2+1] = buf[0]; /* MSB */
}
else {
avr910_recv(pgm, &m->buf[addr], 1);
}
addr++; addr++;