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Fixed active idling when waiting for arduino communication

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This commit is contained in:
Gregor Haas
2020-01-10 14:54:24 -05:00
parent 5326c19acc
commit 3f0e274bd5
2 changed files with 9 additions and 8 deletions
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11
c8_remote/main.c
View File

@@ -202,7 +202,7 @@ int main()
write_aes_utils(dev);
free_dev_cmd_resp(resp);
for(int i = 0; i < 32; i++)
for(int i = 0; i < 65536; i++)
{
resp = execute_payload(dev, PAYLOAD_AES_SW, 0, 7,
0x180153000, 16, 0x180152000,
@@ -221,15 +221,14 @@ int main()
printf("failed to read encrypted data from memory\n");
}
memcpy(data, resp->data, 16);
free_dev_cmd_resp(resp);
printf("got ");
for(int j = 0; j < 16; j++)
{
printf("%02x", data[j]);
printf("%02x", resp->data[j]);
}
printf("\n");
printf(" (%llu)\n", resp->retval);
free_dev_cmd_resp(resp);
}
close_device_session(dev);

6
c8_remote/src/usb_helpers.c
View File

@@ -249,10 +249,12 @@ int is_device_session_open(struct pwned_device *dev)
#ifdef WITH_ARDUINO
void ard_read(struct pwned_device *dev, unsigned char *target, int nbytes)
{
int index = 0;
int index = 0, amount;
while(index < nbytes)
{
index += read(dev->ard_fd, &target[index], nbytes - index);
amount = read(dev->ard_fd, &target[index], nbytes - index);
if(amount == 0) usleep(5000);
else index += amount;
}
}
#endif