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vial: support VIAL_INSECURE define

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This commit is contained in:
Ilya Zhuravlev 2020-12-29 19:26:09 -05:00
parent cc59ab21c5
commit b0a3e0d0af
1 changed files with 8 additions and 0 deletions
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8
quantum/vial.c
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@ -35,10 +35,12 @@ int vial_unlock_in_progress = 0;
static int vial_unlock_counter = 0;
static uint16_t vial_unlock_timer;
#ifndef VIAL_INSECURE
static uint8_t vial_unlock_combo_rows[] = VIAL_UNLOCK_COMBO_ROWS;
static uint8_t vial_unlock_combo_cols[] = VIAL_UNLOCK_COMBO_COLS;
#define VIAL_UNLOCK_NUM_KEYS (sizeof(vial_unlock_combo_rows)/sizeof(vial_unlock_combo_rows[0]))
_Static_assert(VIAL_UNLOCK_NUM_KEYS < 15, "Max 15 unlock keys");
#endif
void vial_handle_cmd(uint8_t *msg, uint8_t length) {
/* All packets must be fixed 32 bytes */
@ -102,11 +104,13 @@ void vial_handle_cmd(uint8_t *msg, uint8_t length) {
/* First byte of message contains the status: whether board is unlocked */
msg[0] = !vial_unlocked;
msg[1] = 0;
#ifndef VIAL_INSECURE
/* Rest of the message are keys in the matrix that should be held to unlock the board */
for (size_t i = 0; i < VIAL_UNLOCK_NUM_KEYS; ++i) {
msg[2 + i * 2] = vial_unlock_combo_rows[i];
msg[2 + i * 2 + 1] = vial_unlock_combo_cols[i];
}
#endif
break;
}
case vial_unlock_start: {
@ -116,6 +120,7 @@ void vial_handle_cmd(uint8_t *msg, uint8_t length) {
break;
}
case vial_unlock_poll: {
#ifndef VIAL_INSECURE
if (vial_unlock_in_progress) {
int holding = 1;
for (size_t i = 0; i < VIAL_UNLOCK_NUM_KEYS; ++i)
@ -134,13 +139,16 @@ void vial_handle_cmd(uint8_t *msg, uint8_t length) {
vial_unlock_counter = VIAL_UNLOCK_COUNTER_MAX;
}
}
#endif
msg[0] = vial_unlocked;
msg[1] = vial_unlock_in_progress;
msg[2] = vial_unlock_counter;
break;
}
case vial_lock: {
#ifndef VIAL_INSECURE
vial_unlocked = 0;
#endif
break;
}
}