From 1dc7d758f96dd2b9bd7b03f01ca032d68b696cf0 Mon Sep 17 00:00:00 2001
From: root <root@lab2.panaceas.james.local>
Date: Sun, 2 Nov 2014 10:14:39 +0000
Subject: fish
---
libopencm3/lib/usb/usb_private.h | 163 +++++++++++++++++++++++++++++++++++++++
1 file changed, 163 insertions(+)
create mode 100644 libopencm3/lib/usb/usb_private.h
(limited to 'libopencm3/lib/usb/usb_private.h')
diff --git a/libopencm3/lib/usb/usb_private.h b/libopencm3/lib/usb/usb_private.h
new file mode 100644
index 0000000..81466df
--- /dev/null
+++ b/libopencm3/lib/usb/usb_private.h
@@ -0,0 +1,163 @@
+/** @defgroup usb_private_defines USB Private Structures
+
+@brief <b>Defined Constants and Types for the USB Private Structures</b>
+
+@ingroup USB_defines
+
+@version 1.0.0
+
+@author @htmlonly © @endhtmlonly 2010
+Gareth McMullin <gareth@blacksphere.co.nz>
+
+@date 10 March 2013
+
+LGPL License Terms @ref lgpl_license
+*/
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**@{*/
+
+#ifndef __USB_PRIVATE_H
+#define __USB_PRIVATE_H
+
+#define MAX_USER_CONTROL_CALLBACK 4
+#define MAX_USER_SET_CONFIG_CALLBACK 4
+
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+
+/** Internal collection of device information. */
+struct _usbd_device {
+ const struct usb_device_descriptor *desc;
+ const struct usb_config_descriptor *config;
+ const char **strings;
+ int num_strings;
+
+ uint8_t *ctrl_buf; /**< Internal buffer used for control transfers */
+ uint16_t ctrl_buf_len;
+
+ uint8_t current_address;
+ uint8_t current_config;
+
+ uint16_t pm_top; /**< Top of allocated endpoint buffer memory */
+
+ /* User callback functions for various USB events */
+ void (*user_callback_reset)(void);
+ void (*user_callback_suspend)(void);
+ void (*user_callback_resume)(void);
+ void (*user_callback_sof)(void);
+
+ struct usb_control_state {
+ enum {
+ IDLE, STALLED,
+ DATA_IN, LAST_DATA_IN, STATUS_IN,
+ DATA_OUT, LAST_DATA_OUT, STATUS_OUT,
+ } state;
+ struct usb_setup_data req __attribute__((aligned(4)));
+ uint8_t *ctrl_buf;
+ uint16_t ctrl_len;
+ void (*complete)(usbd_device *usbd_dev,
+ struct usb_setup_data *req);
+ } control_state;
+
+ struct user_control_callback {
+ usbd_control_callback cb;
+ uint8_t type;
+ uint8_t type_mask;
+ } user_control_callback[MAX_USER_CONTROL_CALLBACK];
+
+ void (*user_callback_ctr[8][3])(usbd_device *usbd_dev, uint8_t ea);
+
+ /* User callback function for some standard USB function hooks */
+ void (*user_callback_set_config[MAX_USER_SET_CONFIG_CALLBACK])
+ (usbd_device *usbd_dev, uint16_t wValue);
+
+ const struct _usbd_driver *driver;
+
+ /* private driver data */
+
+ uint16_t fifo_mem_top;
+ uint16_t fifo_mem_top_ep0;
+ uint8_t force_nak[4];
+ /*
+ * We keep a backup copy of the out endpoint size registers to restore
+ * them after a transaction.
+ */
+ uint32_t doeptsiz[4];
+ /*
+ * Received packet size for each endpoint. This is assigned in
+ * stm32f107_poll() which reads the packet status push register GRXSTSP
+ * for use in stm32f107_ep_read_packet().
+ */
+ uint16_t rxbcnt;
+};
+
+enum _usbd_transaction {
+ USB_TRANSACTION_IN,
+ USB_TRANSACTION_OUT,
+ USB_TRANSACTION_SETUP,
+};
+
+/* Do not appear to belong to the API, so are omitted from docs */
+/**@}*/
+
+void _usbd_control_in(usbd_device *usbd_dev, uint8_t ea);
+void _usbd_control_out(usbd_device *usbd_dev, uint8_t ea);
+void _usbd_control_setup(usbd_device *usbd_dev, uint8_t ea);
+
+int _usbd_standard_request_device(usbd_device *usbd_dev,
+ struct usb_setup_data *req, uint8_t **buf,
+ uint16_t *len);
+int _usbd_standard_request_interface(usbd_device *usbd_dev,
+ struct usb_setup_data *req, uint8_t **buf,
+ uint16_t *len);
+int _usbd_standard_request_endpoint(usbd_device *usbd_dev,
+ struct usb_setup_data *req, uint8_t **buf,
+ uint16_t *len);
+int _usbd_standard_request(usbd_device *usbd_dev, struct usb_setup_data *req,
+ uint8_t **buf, uint16_t *len);
+
+void _usbd_reset(usbd_device *usbd_dev);
+
+/* Functions provided by the hardware abstraction. */
+struct _usbd_driver {
+ usbd_device *(*init)(void);
+ void (*set_address)(usbd_device *usbd_dev, uint8_t addr);
+ void (*ep_setup)(usbd_device *usbd_dev, uint8_t addr, uint8_t type,
+ uint16_t max_size,
+ void (*cb)(usbd_device *usbd_dev, uint8_t ep));
+ void (*ep_reset)(usbd_device *usbd_dev);
+ void (*ep_stall_set)(usbd_device *usbd_dev, uint8_t addr,
+ uint8_t stall);
+ void (*ep_nak_set)(usbd_device *usbd_dev, uint8_t addr, uint8_t nak);
+ uint8_t (*ep_stall_get)(usbd_device *usbd_dev, uint8_t addr);
+ uint16_t (*ep_write_packet)(usbd_device *usbd_dev, uint8_t addr,
+ const void *buf, uint16_t len);
+ uint16_t (*ep_read_packet)(usbd_device *usbd_dev, uint8_t addr,
+ void *buf, uint16_t len);
+ void (*poll)(usbd_device *usbd_dev);
+ void (*disconnect)(usbd_device *usbd_dev, bool disconnected);
+ uint32_t base_address;
+ bool set_address_before_status;
+ uint16_t rx_fifo_size;
+};
+
+#endif
+
--
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