--- /dev/null
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_USB_H_
+#define _AO_USB_H_
+
+/*
+ * ao_usb.c
+ */
+
+/* Put one character to the USB output queue */
+void
+ao_usb_putchar(char c);
+
+/* Get one character from the USB input queue */
+char
+ao_usb_getchar(void);
+
+/* Poll for a charcter on the USB input queue.
+ * returns AO_READ_AGAIN if none are available
+ */
+int
+ao_usb_pollchar(void);
+
+/* Flush the USB output queue */
+void
+ao_usb_flush(void);
+
+/* Enable the USB controller */
+void
+ao_usb_enable(void);
+
+/* Disable the USB controller */
+void
+ao_usb_disable(void);
+
+/* Initialize the USB system */
+void
+ao_usb_init(void);
+
+extern __code __at (0x00aa) uint8_t ao_usb_descriptors [];
+
+#define AO_USB_SETUP_DIR_MASK (0x01 << 7)
+#define AO_USB_SETUP_TYPE_MASK (0x03 << 5)
+#define AO_USB_SETUP_RECIP_MASK (0x1f)
+
+#define AO_USB_DIR_OUT 0
+#define AO_USB_DIR_IN (1 << 7)
+
+#define AO_USB_TYPE_STANDARD 0
+#define AO_USB_TYPE_CLASS (1 << 5)
+#define AO_USB_TYPE_VENDOR (2 << 5)
+#define AO_USB_TYPE_RESERVED (3 << 5)
+
+#define AO_USB_RECIP_DEVICE 0
+#define AO_USB_RECIP_INTERFACE 1
+#define AO_USB_RECIP_ENDPOINT 2
+#define AO_USB_RECIP_OTHER 3
+
+/* standard requests */
+#define AO_USB_REQ_GET_STATUS 0x00
+#define AO_USB_REQ_CLEAR_FEATURE 0x01
+#define AO_USB_REQ_SET_FEATURE 0x03
+#define AO_USB_REQ_SET_ADDRESS 0x05
+#define AO_USB_REQ_GET_DESCRIPTOR 0x06
+#define AO_USB_REQ_SET_DESCRIPTOR 0x07
+#define AO_USB_REQ_GET_CONFIGURATION 0x08
+#define AO_USB_REQ_SET_CONFIGURATION 0x09
+#define AO_USB_REQ_GET_INTERFACE 0x0A
+#define AO_USB_REQ_SET_INTERFACE 0x0B
+#define AO_USB_REQ_SYNCH_FRAME 0x0C
+
+#define AO_USB_DESC_DEVICE 1
+#define AO_USB_DESC_CONFIGURATION 2
+#define AO_USB_DESC_STRING 3
+#define AO_USB_DESC_INTERFACE 4
+#define AO_USB_DESC_ENDPOINT 5
+#define AO_USB_DESC_DEVICE_QUALIFIER 6
+#define AO_USB_DESC_OTHER_SPEED 7
+#define AO_USB_DESC_INTERFACE_POWER 8
+
+#define AO_USB_GET_DESC_TYPE(x) (((x)>>8)&0xFF)
+#define AO_USB_GET_DESC_INDEX(x) ((x)&0xFF)
+
+#define AO_USB_CONTROL_EP 0
+#define AO_USB_CONTROL_SIZE 32
+
+#define AO_USB_INT_EP 1
+#define AO_USB_INT_SIZE 8
+
+#ifndef AO_USB_OUT_EP
+#define AO_USB_OUT_EP 4
+#define AO_USB_IN_EP 5
+#endif
+
+/*
+ * USB bulk packets can only come in 8, 16, 32 and 64
+ * byte sizes, so we'll use 64 for everything
+ */
+#define AO_USB_IN_SIZE 64
+#define AO_USB_OUT_SIZE 64
+
+#define AO_USB_EP0_IDLE 0
+#define AO_USB_EP0_DATA_IN 1
+#define AO_USB_EP0_DATA_OUT 2
+#define AO_USB_EP0_STALL 3
+
+#define LE_WORD(x) ((x)&0xFF),((uint8_t) (((uint16_t) (x))>>8))
+
+/* CDC definitions */
+#define AO_USB_CS_INTERFACE 0x24
+#define AO_USB_CS_ENDPOINT 0x25
+
+#define AO_USB_SET_LINE_CODING 0x20
+#define AO_USB_GET_LINE_CODING 0x21
+#define AO_USB_SET_CONTROL_LINE_STATE 0x22
+
+/* Data structure for GET_LINE_CODING / SET_LINE_CODING class requests */
+struct ao_usb_line_coding {
+ uint32_t rate;
+ uint8_t char_format;
+ uint8_t parity;
+ uint8_t data_bits;
+} ;
+
+extern __pdata uint8_t ao_usb_running;
+
+#endif /* _AO_USB_H_ */
projects / fw / altos / blobdiff