|
Lines 1220-1225
Link Here
|
| 1220 |
stk500_print_parms1(pgm, ""); |
1220 |
stk500_print_parms1(pgm, ""); |
| 1221 |
} |
1221 |
} |
| 1222 |
|
1222 |
|
|
|
1223 |
/* Signature byte reads are always 3 bytes. */ |
| 1224 |
static int stk500_read_sig_bytes(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m) |
| 1225 |
{ |
| 1226 |
unsigned char buf[32]; |
| 1227 |
unsigned char tmp; |
| 1228 |
|
| 1229 |
if (m->size < 3) { |
| 1230 |
fprintf(stderr, "%s: memsize too small for sig byte read", progname); |
| 1231 |
return -1; |
| 1232 |
} |
| 1233 |
|
| 1234 |
buf[0] = Cmnd_STK_READ_SIGN; |
| 1235 |
buf[1] = Sync_CRC_EOP; |
| 1236 |
|
| 1237 |
stk500_send(pgm, buf, 2); |
| 1238 |
|
| 1239 |
if (stk500_recv(pgm, buf, 5) < 0) |
| 1240 |
return -1; |
| 1241 |
if (buf[0] == Resp_STK_NOSYNC) { |
| 1242 |
fprintf(stderr, "%s: stk500_cmd(): programmer is out of sync\n", progname); |
| 1243 |
return -1; |
| 1244 |
} else if (buf[0] != Resp_STK_INSYNC) { |
| 1245 |
fprintf(stderr, |
| 1246 |
"\n%s: stk500_read_sig_bytes(): (a) protocol error, " |
| 1247 |
"expect=0x%02x, resp=0x%02x\n", |
| 1248 |
progname, Resp_STK_INSYNC, buf[0]); |
| 1249 |
return -2; |
| 1250 |
} |
| 1251 |
if (buf[4] != Resp_STK_OK) { |
| 1252 |
fprintf(stderr, |
| 1253 |
"\n%s: stk500_read_sig_bytes(): (a) protocol error, " |
| 1254 |
"expect=0x%02x, resp=0x%02x\n", |
| 1255 |
progname, Resp_STK_OK, buf[4]); |
| 1256 |
return -3; |
| 1257 |
} |
| 1258 |
|
| 1259 |
m->buf[0] = buf[1]; |
| 1260 |
m->buf[1] = buf[2]; |
| 1261 |
m->buf[2] = buf[3]; |
| 1262 |
|
| 1263 |
return 3; |
| 1264 |
} |
| 1223 |
|
1265 |
|
| 1224 |
void stk500_initpgm(PROGRAMMER * pgm) |
1266 |
void stk500_initpgm(PROGRAMMER * pgm) |
| 1225 |
{ |
1267 |
{ |
|
Lines 1250-1254
Link Here
|
| 1250 |
pgm->set_varef = stk500_set_varef; |
1292 |
pgm->set_varef = stk500_set_varef; |
| 1251 |
pgm->set_fosc = stk500_set_fosc; |
1293 |
pgm->set_fosc = stk500_set_fosc; |
| 1252 |
pgm->set_sck_period = stk500_set_sck_period; |
1294 |
pgm->set_sck_period = stk500_set_sck_period; |
|
|
1295 |
pgm->read_sig_bytes = stk500_read_sig_bytes; |
| 1253 |
pgm->page_size = 256; |
1296 |
pgm->page_size = 256; |
| 1254 |
} |
1297 |
} |
