src/bsp/lk/app/udctest/udctest.c

/*
 * Copyright (c) 2015 Brian Swetland
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


#include <app.h>
#include <debug.h>
#include <string.h>
#include <stdlib.h>
#include <printf.h>
#include <dev/udc.h>

udc_request_t *txreq;
udc_request_t *rxreq;
udc_endpoint_t *txept;
udc_endpoint_t *rxept;

static char rxbuf[4096];

static void rx_complete(udc_request_t *req, unsigned actual, int status) {
	//printf("rx done %d %d\n", actual, status);
	if (status == 0) {
		udc_request_queue(rxept, rxreq);
	}
}

static void tx_complete(udc_request_t *req, unsigned actual, int status) {
	//printf("tx done %d %d\n", actual, status);
	if (status == 0) {
		udc_request_queue(txept, txreq);
	}
}

static void udctest_notify(udc_gadget_t *gadget, unsigned event) {
	printf("event %d\n", event);
	if (event == UDC_EVENT_ONLINE) {
		udc_request_queue(rxept, rxreq);
		udc_request_queue(txept, txreq);
	}
}

static udc_device_t udctest_device = {
	.vendor_id = 0x18d1,
	.product_id = 0xdb01,
	.version_id = 0x0100,
	.manufacturer = "Frobozz Magic USB Device Company",
	.product = "Frobozzco USB Device",
	.serialno = "00000005",
};

static udc_endpoint_t *udctest_endpoints[2];

static udc_gadget_t udctest_gadget = {
	.notify = udctest_notify,
	.ifc_class = 0xFF,
	.ifc_subclass = 0x42,
	.ifc_protocol = 0x01,
	.ifc_endpoints = 2,
	.ifc_string = "string",
	.ept = udctest_endpoints,
};
	
static void udctest_init(const struct app_descriptor *app)
{
	printf("usbtest_init()\n");
	udc_init(&udctest_device);
	udctest_endpoints[0] = txept = udc_endpoint_alloc(UDC_BULK_IN, 512);
	udctest_endpoints[1] = rxept = udc_endpoint_alloc(UDC_BULK_OUT, 512);
	txreq = udc_request_alloc();
	rxreq = udc_request_alloc();
	rxreq->buffer = rxbuf;
	rxreq->length = sizeof(rxbuf);
	rxreq->complete = rx_complete;
	txreq->buffer = rxbuf;
	txreq->length = sizeof(rxbuf);
	txreq->complete = tx_complete;
	udc_register_gadget(&udctest_gadget);
}

static void udctest_entry(const struct app_descriptor *app, void *args)
{
	printf("udctest_entry()\n");
	udc_start();
}

APP_START(usbtest)
	.init = udctest_init,
	.entry = udctest_entry,
APP_END