2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25 /* Put one character to the USB output queue */
27 ao_usb_putchar(char c);
29 /* Get one character from the USB input queue */
33 /* Poll for a charcter on the USB input queue.
34 * returns AO_READ_AGAIN if none are available
37 ao_usb_pollchar(void);
39 /* Flush the USB output queue */
43 /* Enable the USB controller */
47 /* Disable the USB controller */
51 /* Initialize the USB system */
55 extern __code __at (0x00aa) uint8_t ao_usb_descriptors [];
57 #define AO_USB_SETUP_DIR_MASK (0x01 << 7)
58 #define AO_USB_SETUP_TYPE_MASK (0x03 << 5)
59 #define AO_USB_SETUP_RECIP_MASK (0x1f)
61 #define AO_USB_DIR_OUT 0
62 #define AO_USB_DIR_IN (1 << 7)
64 #define AO_USB_TYPE_STANDARD 0
65 #define AO_USB_TYPE_CLASS (1 << 5)
66 #define AO_USB_TYPE_VENDOR (2 << 5)
67 #define AO_USB_TYPE_RESERVED (3 << 5)
69 #define AO_USB_RECIP_DEVICE 0
70 #define AO_USB_RECIP_INTERFACE 1
71 #define AO_USB_RECIP_ENDPOINT 2
72 #define AO_USB_RECIP_OTHER 3
74 /* standard requests */
75 #define AO_USB_REQ_GET_STATUS 0x00
76 #define AO_USB_REQ_CLEAR_FEATURE 0x01
77 #define AO_USB_REQ_SET_FEATURE 0x03
78 #define AO_USB_REQ_SET_ADDRESS 0x05
79 #define AO_USB_REQ_GET_DESCRIPTOR 0x06
80 #define AO_USB_REQ_SET_DESCRIPTOR 0x07
81 #define AO_USB_REQ_GET_CONFIGURATION 0x08
82 #define AO_USB_REQ_SET_CONFIGURATION 0x09
83 #define AO_USB_REQ_GET_INTERFACE 0x0A
84 #define AO_USB_REQ_SET_INTERFACE 0x0B
85 #define AO_USB_REQ_SYNCH_FRAME 0x0C
87 #define AO_USB_DESC_DEVICE 1
88 #define AO_USB_DESC_CONFIGURATION 2
89 #define AO_USB_DESC_STRING 3
90 #define AO_USB_DESC_INTERFACE 4
91 #define AO_USB_DESC_ENDPOINT 5
92 #define AO_USB_DESC_DEVICE_QUALIFIER 6
93 #define AO_USB_DESC_OTHER_SPEED 7
94 #define AO_USB_DESC_INTERFACE_POWER 8
96 #define AO_USB_GET_DESC_TYPE(x) (((x)>>8)&0xFF)
97 #define AO_USB_GET_DESC_INDEX(x) ((x)&0xFF)
99 #define AO_USB_CONTROL_EP 0
100 #define AO_USB_CONTROL_SIZE 32
102 #define AO_USB_INT_EP 1
103 #define AO_USB_INT_SIZE 8
105 #define AO_USB_OUT_EP 4
106 #define AO_USB_IN_EP 5
108 * USB bulk packets can only come in 8, 16, 32 and 64
109 * byte sizes, so we'll use 64 for everything
111 #define AO_USB_IN_SIZE 64
112 #define AO_USB_OUT_SIZE 64
114 #define AO_USB_EP0_IDLE 0
115 #define AO_USB_EP0_DATA_IN 1
116 #define AO_USB_EP0_DATA_OUT 2
118 #define LE_WORD(x) ((x)&0xFF),((uint8_t) (((uint16_t) (x))>>8))
120 /* CDC definitions */
121 #define AO_USB_CS_INTERFACE 0x24
122 #define AO_USB_CS_ENDPOINT 0x25
124 #define AO_USB_SET_LINE_CODING 0x20
125 #define AO_USB_GET_LINE_CODING 0x21
126 #define AO_USB_SET_CONTROL_LINE_STATE 0x22
128 /* Data structure for GET_LINE_CODING / SET_LINE_CODING class requests */
129 struct ao_usb_line_coding {
136 #endif /* _AO_USB_H_ */