2 * Copyright (c) 2007, Benedikt Sauter <sauter@ixbat.de>
5 * Short descripton of file:
6 * I take the function names and parameters mainly from
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11 * modification, are permitted provided that the following conditions
14 * * Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * * Redistributions in binary form must reproduce the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer in the documentation and/or other materials provided
19 * with the distribution.
20 * * Neither the name of the FH Augsburg nor the names of its
21 * contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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45 #include "../host/host.h"
46 #include "../usbspec/usb11spec.h"
47 #include "../../malloc.h"
50 /******************* Device Operations **********************/
53 * Open a device with verndor- and product-id for a communication.
55 usb_device * usb_open(u32 vendor_id, u32 product_id)
58 element * iterator = core.devices->head;
59 while(iterator != NULL) {
60 dev = (usb_device*)iterator->data;
62 if(dev->idVendor==vendor_id&&dev->idProduct==product_id)
65 iterator=iterator->next;
73 * Open a device with an class code for a communication.
75 usb_device * usb_open_class(u8 class)
78 element * iterator = core.devices->head;
79 while(iterator != NULL) {
80 dev = (usb_device*)iterator->data;
82 if(dev->bDeviceClass==class)
85 iterator=iterator->next;
91 * Close device after a communication.
93 u8 usb_close(usb_device *dev)
99 u8 usb_get_device_descriptor(usb_device *dev, char *buf,u8 size)
105 u8 usb_set_address(usb_device *dev, u8 address)
111 u8 usb_set_configuration(usb_device *dev, u8 configuration)
117 u8 usb_set_altinterface(usb_device *dev, u8 alternate)
123 u8 usb_reset(usb_device *dev)
131 /******************* Control Transfer **********************/
134 * Create a control transfer.
136 u8 usb_control_msg(usb_device *dev, u8 requesttype, u8 request, u16 value, u16 index, u16 length,char *buf, u16 size, u16 timeout)
138 usb_irp *irp = (usb_irp*)malloc(sizeof(usb_irp));
142 irp->epsize = dev->bMaxPacketSize0;
143 irp->type = USB_CTRL;
145 buf[0]=(char)requesttype;
146 buf[1]=(char)request;
147 buf[2]=(char)(value >> 8);
148 buf[3]=(char)(value);
149 buf[4]=(char)(index >> 8);
150 buf[5]=(char)(index);
151 // lenght buf are the only where the order is inverted
152 buf[6]=(char)(length);
153 buf[7]=(char)(length >> 8);
157 irp->timeout = timeout;
166 u8 usb_get_string(usb_device *dev, u8 index, u8 langid, char *buf, u8 buflen)
173 u8 usb_get_string_simple(usb_device *dev, u8 index, char *buf, u8 buflen)
179 u8 usb_get_descriptor(usb_device *dev, unsigned char type, unsigned char index, void *buf, u8 size)
186 /******************* Bulk Transfer **********************/
189 * Write to an a bulk endpoint.
191 u8 usb_bulk_write(usb_device *dev, u8 ep, char *buf, u8 size, u8 timeout)
193 usb_irp * irp = (usb_irp*)malloc(sizeof(usb_irp));
195 //irp->devaddress = dev->address;
198 irp->epsize = dev->epSize[ep]; // ermitteln
199 irp->type = USB_BULK;
203 irp->timeout = timeout;
212 * Read from an bulk endpoint.
214 u8 usb_bulk_read(usb_device *dev, u8 ep, char *buf, u8 size, u8 timeout)
216 usb_irp * irp = (usb_irp*)malloc(sizeof(usb_irp));
217 //irp->devaddress = dev->address;
220 irp->endpoint = ep | 0x80; // from device to host
221 irp->epsize = dev->epSize[ep]; // ermitteln
222 irp->type = USB_BULK;
226 irp->timeout = timeout;
235 /******************* Interrupt Transfer **********************/
237 * Write to an interrupt endpoint.
239 u8 usb_interrupt_write(usb_device *dev, u8 ep, char *buf, u8 size, u8 timeout)
246 * Read from an interrupt endpoint.
248 u8 usb_interrupt_read(usb_device *dev, u8 ep, char *buf, u8 size, u8 timeout)
255 /******************* Isochron Transfer **********************/
258 * Write to an isochron endpoint.
260 u8 usb_isochron_write(usb_device *dev, u8 ep, char *buf, u8 size, u8 timeout)
267 * Read from an isochron endpoint.
269 u8 usb_isochron_read(usb_device *dev, u8 ep, char *buf, u8 size, u8 timeout)