1 files changed, 37 insertions, 0 deletions
diff --git a/usb_lld_driver.h b/usb_lld_driver.h
new file mode 100644
index 0000000..6a4c95f
--- /dev/null
+++ b/usb_lld_driver.h
@@ -0,0 +1,37 @@
+#define USB_MAX_PACKET_SIZE 64	/* For FS device */
+
+enum STANDARD_REQUESTS
+{
+  GET_STATUS = 0,
+  CLEAR_FEATURE,
+  RESERVED1,
+  SET_FEATURE,
+  RESERVED2,
+  SET_ADDRESS,
+  GET_DESCRIPTOR,
+  SET_DESCRIPTOR,
+  GET_CONFIGURATION,
+  SET_CONFIGURATION,
+  GET_INTERFACE,
+  SET_INTERFACE,
+  SYNCH_FRAME,
+  TOTAL_REQUEST  /* Total number of Standard request */
+};
+
+/* The state machine states of a control pipe */
+enum CONTROL_STATE
+{
+  WAIT_SETUP,
+  IN_DATA,
+  OUT_DATA,
+  LAST_IN_DATA,
+  WAIT_STATUS_IN,
+  WAIT_STATUS_OUT,
+  STALLED,
+};
+
+enum FEATURE_SELECTOR
+{
+  FEATURE_ENDPOINT_HALT=0,
+  FEATURE_DEVICE_REMOTE_WAKEUP=1
+};