diff options
Diffstat (limited to 'app/crypto.c')
| -rw-r--r-- | app/crypto.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/app/crypto.c b/app/crypto.c index 494e5ab..a725def 100644 --- a/app/crypto.c +++ b/app/crypto.c @@ -2,6 +2,9 @@ #include "../common/vendor_req.h" +static int key_send_timer = 0; +static int start_key_send = 0; + int crypto_control (uint8_t request, uint16_t value, uint16_t index, void *buf, size_t len) @@ -18,10 +21,15 @@ crypto_control (uint8_t request, uint16_t value, uint16_t index, void *buf, send_ascii (value); return 1; case VENDOR_REQ_SET_KEY: + state_init (); key_set (buf, len); return 1; case VENDOR_REQ_SEND_KEY: - key_send (); + + if (!value) + start_key_send = 1; + else + key_send_timer = value; return 1; case VENDOR_REQ_CLEAR_KEY: key_wipe (); @@ -46,3 +54,24 @@ vendor_control_request (usbd_device * usbd_dev, struct usb_setup_data *req, return crypto_control (req->bRequest, req->wValue, req->wIndex, *buf, *len); } + +void +crypto_tick (void) +{ + if (!key_send_timer) + return; + key_send_timer--; + + if (!key_send_timer) + start_key_send = 1; +} + +void +crypto_poll (void) +{ + if (start_key_send) + { + start_key_send = 0; + key_send (); + } +} |