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maybe fix fuse reads on Attiny15

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MX682X
2025-06-14 11:50:22 +02:00
parent 3744f927d1
commit 696decb5ee
1 changed files with 7 additions and 7 deletions
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14
src/pickit5.c
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@@ -1651,7 +1651,7 @@ static int pickit5_isp_read_fuse(const PROGRAMMER *pgm, const AVRMEM *mem, unsig
unsigned char read_fuse_isp [] = { // As we pull the command from avrdude's conf file, this isn't limited to fuses
0x90, 0x00, 0x32, 0x00, 0x00, 0x00, // load 0x32 to r00
0x1E, 0x37, 0x00, // Enable Programming?
0x9F, // Send status from temp_reg to host
//0x9F, // Send status from temp_reg to host
0xA8, 0x00, 0x00, 0x00, 0x00, // ???
0x90, 0x01, (cmd >> 24), (cmd >> 16), (cmd >> 8), cmd, // load programming command to r01 (swapped bitorder)
0x9B, 0x02, 0x03, // Load 0x03 to r02
@@ -1671,15 +1671,15 @@ static int pickit5_isp_read_fuse(const PROGRAMMER *pgm, const AVRMEM *mem, unsig
pmsg_error("read fuse script failed\n");
return -1;
}
if(0x02 != my.rxBuf[20]) { // Length
if(0x01 != my.rxBuf[20]) { // Length
pmsg_error("unexpected amount (%d) of bytes returned\n", my.rxBuf[20]);
return -1;
}
if(0x00 != my.rxBuf[24]) {
pmsg_error("failed to start fuse read operation (%d)\n", my.rxBuf[24]);
return -1;
}
*value = my.rxBuf[25]; // Return value
//if(0x00 != my.rxBuf[24]) {
// pmsg_error("failed to start fuse read operation (%d)\n", my.rxBuf[24]);
// return -1;
//}
*value = my.rxBuf[24]; // Return value
return 1;
}