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avrdude
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Fix -Y option. Reported by Joerg Wunsch. 

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@153 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
bsd 2002-11-06 02:19:57 +00:00
parent 4f818a067b
commit 1d33dc00ba
3 changed files with 14 additions and 11 deletions
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11
avr.c
View File

@ -823,6 +823,7 @@ int avr_chip_erase(int fd, AVRPART * p)
unsigned char cmd[4]; unsigned char cmd[4];
unsigned char res[4]; unsigned char res[4];
int cycles; int cycles;
int rc;
if (p->op[AVR_OP_CHIP_ERASE] == NULL) { if (p->op[AVR_OP_CHIP_ERASE] == NULL) {
fprintf(stderr, "chip erase instruction not defined for part \"%s\"\n", fprintf(stderr, "chip erase instruction not defined for part \"%s\"\n",
@ -830,13 +831,13 @@ int avr_chip_erase(int fd, AVRPART * p)
return -1; return -1;
} }
cycles = avr_get_cycle_count(fd, p); rc = avr_get_cycle_count(fd, p, &cycles);
/* /*
* only print out the current cycle count if we aren't going to * only print out the current cycle count if we aren't going to
* display it below * display it below
*/ */
if (!do_cycles && ((cycles != -1) && (cycles != 0x00ffff))) { if (!do_cycles && ((rc >= 0) && (cycles != 0xffffffff))) {
fprintf(stderr, fprintf(stderr,
"%s: current erase-rewrite cycle count is %d%s\n", "%s: current erase-rewrite cycle count is %d%s\n",
progname, cycles, progname, cycles,
@ -1042,7 +1043,7 @@ int avr_verify(AVRPART * p, AVRPART * v, char * memtype, int size)
} }
int avr_get_cycle_count(int fd, AVRPART * p) int avr_get_cycle_count(int fd, AVRPART * p, int * cycles)
{ {
AVRMEM * a; AVRMEM * a;
int cycle_count; int cycle_count;
@ -1092,7 +1093,9 @@ int avr_get_cycle_count(int fd, AVRPART * p)
(((unsigned int)v3) << 8) | (((unsigned int)v3) << 8) |
v4; v4;
return cycle_count; *cycles = cycle_count;
return 0;
} }

2
avr.h
View File

@ -167,7 +167,7 @@ void avr_mem_display(char * prefix, FILE * f, AVRMEM * m, int type,
void avr_display(FILE * f, AVRPART * p, char * prefix, int verbose); void avr_display(FILE * f, AVRPART * p, char * prefix, int verbose);
int avr_get_cycle_count(int fd, AVRPART * p); int avr_get_cycle_count(int fd, AVRPART * p, int * cycles);
int avr_put_cycle_count(int fd, AVRPART * p, int cycles); int avr_put_cycle_count(int fd, AVRPART * p, int cycles);

12
main.c
View File

@ -115,7 +115,7 @@ char ** modules[N_MODULES] = {
&term_version &term_version
}; };
char * version = "2.1.3"; char * version = "2.1.4";
char * main_version = "$Id$"; char * main_version = "$Id$";
@ -909,8 +909,8 @@ int main(int argc, char * argv [])
} }
if (set_cycles != -1) { if (set_cycles != -1) {
cycles = avr_get_cycle_count(fd, p); rc = avr_get_cycle_count(fd, p, &cycles);
if (cycles != -1) { if (rc == 0) {
/* /*
* only attempt to update the cycle counter if we can actually * only attempt to update the cycle counter if we can actually
* read the old value * read the old value
@ -943,11 +943,11 @@ int main(int argc, char * argv [])
* repeat it if an erase was done. Also, don't display this if we * repeat it if an erase was done. Also, don't display this if we
* set the cycle count (due to -Y). * set the cycle count (due to -Y).
* *
* see if the cycle count in the last two bytes of eeprom seems * see if the cycle count in the last four bytes of eeprom seems
* reasonable * reasonable
*/ */
cycles = avr_get_cycle_count(fd, p); rc = avr_get_cycle_count(fd, p, &cycles);
if ((cycles != -1) && (cycles != 0x00ffff)) { if ((rc >= 0) && (cycles != 0xffffffff)) {
fprintf(stderr, fprintf(stderr,
"%s: current erase-rewrite cycle count is %d%s\n", "%s: current erase-rewrite cycle count is %d%s\n",
progname, cycles, progname, cycles,