X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Modules%2FUSB%2Fusb.h;h=a867c112f84405054f0014d73922bc2aae14f363;hb=6bc21db109c4d8d3219ad58fc5cc76ec76e6c6b7;hp=3e503ec4b4b43c09cafb5a3e044e936758c947cb;hpb=6c5a509b5e14e097ca537c539bc9babe3b8f0c4c;p=tpg%2Facess2.git

diff --git a/Modules/USB/usb.h b/Modules/USB/usb.h
index 3e503ec4..a867c112 100644
--- a/Modules/USB/usb.h
+++ b/Modules/USB/usb.h
@@ -9,6 +9,68 @@
 typedef struct sUSBHost	tUSBHost;
 typedef struct sUSBDevice	tUSBDevice;
 
+// === CONSTANTS ===
+enum eUSB_PIDs
+{
+	/**
+	 * \name Token
+	 * \{
+	 */
+	PID_OUT		= 0xE1,
+	PID_IN		= 0x69,
+	PID_SOF		= 0xA5,
+	PID_SETUP	= 0x2D,
+	/**
+	 * \}
+	 */
+	
+	/**
+	 * \name Data
+	 * \{
+	 */
+	PID_DATA0	= 0xC3,
+	PID_DATA1	= 0x4B,
+	PID_DATA2	= 0x87,	// USB2 only
+	PID_MDATA	= 0x0F,	// USB2 only
+	/**
+	 * \}
+	 */
+	
+	/**
+	 * \name Handshake
+	 * \{
+	 */
+	PID_ACK		= 0xD2,
+	PID_NAK		= 0x5A,
+	PID_STALL	= 0x1E,
+	PID_NYET	= 0x96,
+	/**
+	 * \}
+	 */
+	
+	/**
+	 * \name Special
+	 * \{
+	 */
+	PID_PRE		= 0x3C, PID_ERR		= 0x3C,
+	PID_SPLIT	= 0x78,
+	PID_PING	= 0xB4,
+	PID_RESVD	= 0xF0,
+	/**
+	 * \}
+	 */
+};
+
+// === FUNCTIONS ===
+/**
+ * \note 00101 - X^5+X^2+1
+ */
+Uint8	USB_TokenCRC(void *Data, int len);
+/**
+ * \note X^16 + X15 + X^2 + 1
+ */
+Uint16	USB_DataCRC(void *Data, int len);
+
 // === STRUCTURES ===
 /**
  * \brief Defines a USB Host Controller