1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* Copyright (c) 2022, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "usbh_core.h"
#include "usbh_printer.h"
#define DEV_FORMAT "/dev/printer"
static struct usbh_printer g_printer_class[CONFIG_USBHOST_MAX_PRINTER_CLASS];
static uint32_t g_devinuse = 0;
static struct usbh_printer *usbh_printer_class_alloc(void)
{
int devno;
for (devno = 0; devno < CONFIG_USBHOST_MAX_PRINTER_CLASS; devno++) {
if ((g_devinuse & (1 << devno)) == 0) {
g_devinuse |= (1 << devno);
memset(&g_printer_class[devno], 0, sizeof(struct usbh_printer));
g_printer_class[devno].minor = devno;
return &g_printer_class[devno];
}
}
return NULL;
}
static void usbh_printer_class_free(struct usbh_printer *printer_class)
{
int devno = printer_class->minor;
if (devno >= 0 && devno < 32) {
g_devinuse &= ~(1 << devno);
}
memset(printer_class, 0, sizeof(struct usbh_printer));
}
static int usbh_printer_get_device_id(struct usbh_printer *printer_class, uint8_t *buffer)
{
struct usb_setup_packet *setup = &printer_class->hport->setup;
int ret;
setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE;
setup->bRequest = PRINTER_REQUEST_GET_DEVICE_ID;
setup->wValue = 0;
setup->wIndex = printer_class->intf;
setup->wLength = 256;
return usbh_control_transfer(printer_class->hport->ep0, setup, buffer);
}
static int usbh_printer_get_port_status(struct usbh_printer *printer_class, uint8_t *buffer)
{
struct usb_setup_packet *setup = &printer_class->hport->setup;
int ret;
setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE;
setup->bRequest = PRINTER_REQUEST_GET_PORT_SATTUS;
setup->wValue = 0;
setup->wIndex = printer_class->intf;
setup->wLength = 1;
return usbh_control_transfer(printer_class->hport->ep0, setup, buffer);
}
static int usbh_printer_soft_reset(struct usbh_printer *printer_class)
{
struct usb_setup_packet *setup = &printer_class->hport->setup;
int ret;
setup->bmRequestType = USB_REQUEST_DIR_OUT | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE;
setup->bRequest = PRINTER_REQUEST_SOFT_RESET;
setup->wValue = 0;
setup->wIndex = printer_class->intf;
setup->wLength = 0;
return usbh_control_transfer(printer_class->hport->ep0, setup, NULL);
}
static int usbh_printer_connect(struct usbh_hubport *hport, uint8_t intf)
{
struct usbh_endpoint_cfg ep_cfg = { 0 };
struct usb_endpoint_descriptor *ep_desc;
int ret;
struct usbh_printer *printer_class = usbh_printer_class_alloc();
if (printer_class == NULL) {
USB_LOG_ERR("Fail to alloc printer_class\r\n");
return -ENOMEM;
}
printer_class->hport = hport;
printer_class->intf = intf;
hport->config.intf[intf].priv = printer_class;
for (uint8_t i = 0; i < hport->config.intf[intf + 1].altsetting[0].intf_desc.bNumEndpoints; i++) {
ep_desc = &hport->config.intf[intf + 1].altsetting[0].ep[i].ep_desc;
if (ep_desc->bEndpointAddress & 0x80) {
usbh_hport_activate_epx(&printer_class->bulkin, hport, ep_desc);
} else {
usbh_hport_activate_epx(&printer_class->bulkout, hport, ep_desc);
}
}
// uint8_t *device_id = usb_iomalloc(256);
// ret = usbh_printer_get_device_id(printer_class, device_id);
strncpy(hport->config.intf[intf].devname, DEV_FORMAT, CONFIG_USBHOST_DEV_NAMELEN);
USB_LOG_INFO("Register Printer Class:%s\r\n", hport->config.intf[intf].devname);
return 0;
}
static int usbh_printer_disconnect(struct usbh_hubport *hport, uint8_t intf)
{
int ret = 0;
struct usbh_printer *printer_class = (struct usbh_printer *)hport->config.intf[intf].priv;
if (printer_class) {
if (printer_class->bulkin) {
usbh_pipe_free(printer_class->bulkin);
}
if (printer_class->bulkout) {
usbh_pipe_free(printer_class->bulkout);
}
if (hport->config.intf[intf].devname[0] != '\0') {
USB_LOG_INFO("Unregister Printer Class:%s\r\n", hport->config.intf[intf].devname);
}
usbh_printer_class_free(printer_class);
}
return ret;
}
static const struct usbh_class_driver printer_class_driver = {
.driver_name = "printer",
.connect = usbh_printer_connect,
.disconnect = usbh_printer_disconnect
};
CLASS_INFO_DEFINE const struct usbh_class_info printer_class_info = {
.match_flags = USB_CLASS_MATCH_INTF_CLASS | USB_CLASS_MATCH_INTF_SUBCLASS | USB_CLASS_MATCH_INTF_PROTOCOL,
.class = USB_DEVICE_CLASS_PRINTER,
.subclass = PRINTER_SUBCLASS,
.protocol = 0x00,
.vid = 0x00,
.pid = 0x00,
.class_driver = &printer_class_driver
};
|
