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#include "usbd_core.h"
#include "usb_printer.h"
/*!< endpoint address */
#define PRINTER_IN_EP 0x81
#define PRINTER_IN_EP_SIZE 0x40
#define PRINTER_OUT_EP 0x02
#define PRINTER_OUT_EP_SIZE 0x40
#define USBD_VID 0x5A5A
#define USBD_PID 0xA5A5
#define USBD_MAX_POWER 100
#define USBD_LANGID_STRING 0x0409
/*!< config descriptor size */
#define USB_CONFIG_SIZE (32)
/*!< global descriptor */
static const uint8_t printer_descriptor[] = {
USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0000, 0x01),
USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_SELF_POWERED, USBD_MAX_POWER),
USB_INTERFACE_DESCRIPTOR_INIT(0x00, 0x00, 0x02, 0x07, 0x01, 0x02, 0x00),
USB_ENDPOINT_DESCRIPTOR_INIT(PRINTER_IN_EP, 0x02, PRINTER_IN_EP_SIZE, 0x00),
USB_ENDPOINT_DESCRIPTOR_INIT(PRINTER_OUT_EP, 0x02, PRINTER_OUT_EP_SIZE, 0x00),
///////////////////////////////////////
/// string0 descriptor
///////////////////////////////////////
USB_LANGID_INIT(USBD_LANGID_STRING),
///////////////////////////////////////
/// string1 descriptor
///////////////////////////////////////
0x14, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'C', 0x00, /* wcChar0 */
'h', 0x00, /* wcChar1 */
'e', 0x00, /* wcChar2 */
'r', 0x00, /* wcChar3 */
'r', 0x00, /* wcChar4 */
'y', 0x00, /* wcChar5 */
'U', 0x00, /* wcChar6 */
'S', 0x00, /* wcChar7 */
'B', 0x00, /* wcChar8 */
///////////////////////////////////////
/// string2 descriptor
///////////////////////////////////////
0x2A, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'C', 0x00, /* wcChar0 */
'h', 0x00, /* wcChar1 */
'e', 0x00, /* wcChar2 */
'r', 0x00, /* wcChar3 */
'r', 0x00, /* wcChar4 */
'y', 0x00, /* wcChar5 */
'U', 0x00, /* wcChar6 */
'S', 0x00, /* wcChar7 */
'B', 0x00, /* wcChar8 */
' ', 0x00, /* wcChar9 */
'P', 0x00, /* wcChar10 */
'R', 0x00, /* wcChar11 */
'I', 0x00, /* wcChar12 */
'N', 0x00, /* wcChar13 */
'T', 0x00, /* wcChar14 */
' ', 0x00, /* wcChar15 */
'D', 0x00, /* wcChar16 */
'E', 0x00, /* wcChar17 */
'M', 0x00, /* wcChar18 */
'O', 0x00, /* wcChar19 */
///////////////////////////////////////
/// string3 descriptor
///////////////////////////////////////
0x16, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'2', 0x00, /* wcChar0 */
'0', 0x00, /* wcChar1 */
'2', 0x00, /* wcChar2 */
'2', 0x00, /* wcChar3 */
'1', 0x00, /* wcChar4 */
'2', 0x00, /* wcChar5 */
'3', 0x00, /* wcChar6 */
'4', 0x00, /* wcChar7 */
'5', 0x00, /* wcChar8 */
'6', 0x00, /* wcChar9 */
#ifdef CONFIG_USB_HS
///////////////////////////////////////
/// device qualifier descriptor
///////////////////////////////////////
0x0a,
USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
0x00,
0x02,
0x02,
0x02,
0x01,
0x40,
0x01,
0x00,
#endif
0x00
};
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t read_buffer[PRINTER_OUT_EP_SIZE];
USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t write_buffer[PRINTER_IN_EP_SIZE];
void usbd_event_handler(uint8_t event)
{
switch (event) {
case USBD_EVENT_RESET:
break;
case USBD_EVENT_CONNECTED:
break;
case USBD_EVENT_DISCONNECTED:
break;
case USBD_EVENT_RESUME:
break;
case USBD_EVENT_SUSPEND:
break;
case USBD_EVENT_CONFIGURED:
/* setup first out ep read transfer */
usbd_ep_start_read(PRINTER_OUT_EP, read_buffer, PRINTER_OUT_EP_SIZE);
break;
case USBD_EVENT_SET_REMOTE_WAKEUP:
break;
case USBD_EVENT_CLR_REMOTE_WAKEUP:
break;
default:
break;
}
}
void usbd_printer_bulk_out(uint8_t ep, uint32_t nbytes)
{
USB_LOG_RAW("actual out len:%d\r\n", nbytes);
// for (int i = 0; i < 100; i++) {
// printf("%02x ", read_buffer[i]);
// }
// printf("\r\n");
/* setup next out ep read transfer */
usbd_ep_start_read(PRINTER_OUT_EP, read_buffer, PRINTER_OUT_EP_SIZE);
}
void usbd_printer_bulk_in(uint8_t ep, uint32_t nbytes)
{
USB_LOG_RAW("actual in len:%d\r\n", nbytes);
if ((nbytes % PRINTER_IN_EP_SIZE) == 0 && nbytes) {
/* send zlp */
usbd_ep_start_write(PRINTER_IN_EP, NULL, 0);
} else {
}
}
/*!< endpoint call back */
struct usbd_endpoint printer_out_ep = {
.ep_addr = PRINTER_OUT_EP,
.ep_cb = usbd_printer_bulk_out
};
struct usbd_endpoint printer_in_ep = {
.ep_addr = PRINTER_IN_EP,
.ep_cb = usbd_printer_bulk_in
};
struct usbd_interface intf0;
static const uint8_t printer_device_id[] =
{
0x00, 51,
'M','F','G',':','C','B','M',';',
'C','M','D',':','G','D','I',';',
'M','D','L',':','C','B','M','1','0','0','0',';',
'C','L','S',':','P','R','I','N','T','E','R',';',
'M','O','D','E',':','G','D','I',';'
};
void printer_init(void)
{
usbd_desc_register(printer_descriptor);
usbd_add_interface(usbd_printer_init_intf(&intf0, printer_device_id, sizeof(printer_device_id)));
usbd_add_endpoint(&printer_out_ep);
usbd_add_endpoint(&printer_in_ep);
usbd_initialize();
}
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