[app][usbtest] add default usb test app
Continually tries to send and receive 4K usb packets.
This commit is contained in:
Travis Geiselbrecht
110
app/usbtest/descriptor.c
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110
app/usbtest/descriptor.c
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#include <err.h>
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#include <debug.h>
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#include <stdio.h>
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#include <target.h>
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#include <compiler.h>
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#include <dev/usb.h>
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#include <dev/usbc.h>
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#include <hw/usb.h>
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#define W(w) (w & 0xff), (w >> 8)
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#define W3(w) (w & 0xff), ((w >> 8) & 0xff), ((w >> 16) & 0xff)
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/* top level device descriptor */
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static const uint8_t dev_descr[] = {
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0x12, /* descriptor length */
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DEVICE, /* Device Descriptor type */
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W(0x0200), /* USB Version */
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0xff, /* class */
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0xff, /* subclass */
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0xff, /* protocol */
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64, /* max packet size, ept0 */
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W(0x9999), /* vendor */
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W(0x9999), /* product */
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W(0x9999), /* release */
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0x0, /* manufacturer string */
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0x0, /* product string */
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0x0, /* serialno string */
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0x1, /* num configs */
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};
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/* high/low speed device qualifier */
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static const uint8_t devqual_descr[] = {
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0x0a, /* len */
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DEVICE_QUALIFIER, /* Device Qualifier type */
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W(0x0200), /* USB version */
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0x00, /* class */
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0x00, /* subclass */
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0x00, /* protocol */
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64, /* max packet size, ept0 */
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0x01, /* num configs */
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0x00 /* reserved */
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};
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static const uint8_t cfg_descr[] = {
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0x09, /* Length of Cfg Descr */
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CONFIGURATION, /* Type of Cfg Descr */
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W(0x09), /* Total Length (incl ifc, ept) */
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0x00, /* # Interfaces */
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0x01, /* Cfg Value */
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0x00, /* Cfg String */
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0xc0, /* Attributes -- self powered */
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250, /* Power Consumption - 500mA */
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};
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static const uchar langid[] = { 0x04, 0x03, 0x09, 0x04 };
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static const uint8_t if_descriptor_lowspeed[] = {
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0x09, /* length */
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INTERFACE, /* type */
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0x01, /* interface num */
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0x00, /* alternates */
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0x02, /* endpoint count */
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0xff, /* interface class */
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0xff, /* interface subclass */
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0x00, /* interface protocol */
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0x00, /* string index */
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/* endpoint 1 IN */
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0x07, /* length */
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ENDPOINT, /* type */
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0x81, /* address: 1 IN */
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0x02, /* type: bulk */
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W(64), /* max packet size: 64 */
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00, /* interval */
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/* endpoint 1 OUT */
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0x07, /* length */
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ENDPOINT, /* type */
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0x01, /* address: 1 OUT */
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0x02, /* type: bulk */
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W(64), /* max packet size: 64 */
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00, /* interval */
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};
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static usb_config config = {
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.lowspeed = {
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.device = USB_DESC_STATIC(dev_descr),
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.device_qual = USB_DESC_STATIC(devqual_descr),
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.config = USB_DESC_STATIC(cfg_descr),
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},
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.highspeed = {
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.device = USB_DESC_STATIC(dev_descr),
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.device_qual = USB_DESC_STATIC(devqual_descr),
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.config = USB_DESC_STATIC(cfg_descr),
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},
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.langid = USB_DESC_STATIC(langid),
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};
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void usbtest_usb_setup(void)
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{
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usb_setup(&config);
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printf("appending interfaces\n");
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usb_append_interface_lowspeed(if_descriptor_lowspeed, sizeof(if_descriptor_lowspeed));
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usb_append_interface_highspeed(if_descriptor_lowspeed, sizeof(if_descriptor_lowspeed));
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usbc_setup_endpoint(1, USB_OUT, 64);
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usbc_setup_endpoint(1, USB_IN, 64);
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}
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// vim: set ts=4 sw=4 expandtab:
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15
app/usbtest/rules.mk
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15
app/usbtest/rules.mk
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LOCAL_DIR := $(GET_LOCAL_DIR)
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MODULE := $(LOCAL_DIR)
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#GLOBAL_INCLUDES += $(LOCAL_DIR)/include
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MODULE_DEPS += \
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dev/usb
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MODULE_SRCS += \
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$(LOCAL_DIR)/usbtest.c \
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$(LOCAL_DIR)/descriptor.c \
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include make/module.mk
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129
app/usbtest/usbtest.c
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129
app/usbtest/usbtest.c
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#include <app.h>
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#include <debug.h>
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#include <err.h>
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#include <string.h>
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#include <stdlib.h>
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#include <dev/usb.h>
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#include <dev/usbc.h>
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#include <kernel/debug.h>
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#include <kernel/thread.h>
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#include <kernel/event.h>
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#define LOCAL_TRACE 1
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extern void usbtest_usb_setup(void);
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static status_t rx_callback(ep_t endpoint, struct usbc_transfer *transfer);
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static usbc_transfer_t rx;
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static uint8_t rxbuf[4096];
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static volatile bool rxqueued;
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static status_t tx_callback(ep_t endpoint, struct usbc_transfer *transfer);
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static usbc_transfer_t tx;
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static uint8_t txbuf[4095];
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static volatile bool txqueued;
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static event_t testevent;
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/* RX */
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static void queue_rx_transfer(void)
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{
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rx.callback = rx_callback;
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rx.result = 0;
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rx.buf = rxbuf;
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rx.buflen = sizeof(rxbuf);
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rx.bufpos = 0;
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rx.extra = NULL;
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memset(rxbuf, 0x99, sizeof(rxbuf));
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rxqueued = true;
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usbc_queue_rx(1, &rx);
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}
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static status_t rx_callback(ep_t endpoint, struct usbc_transfer *transfer)
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{
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LTRACEF("ep %u, transfer %p\n", endpoint, transfer);
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rxqueued = false;
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event_signal(&testevent, false);
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return NO_ERROR;
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}
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/* TX */
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static void queue_tx_transfer(void)
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{
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tx.callback = tx_callback;
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tx.result = 0;
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tx.buf = txbuf;
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tx.buflen = sizeof(txbuf);
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tx.bufpos = 0;
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tx.extra = NULL;
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for (uint i = 0; i < sizeof(txbuf); i++)
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txbuf[i] = i * 3;
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txqueued = true;
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usbc_queue_tx(1, &tx);
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}
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static status_t tx_callback(ep_t endpoint, struct usbc_transfer *transfer)
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{
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LTRACEF("ep %u, transfer %p\n", endpoint, transfer);
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txqueued = false;
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event_signal(&testevent, false);
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return NO_ERROR;
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}
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static void usbtest_init(const struct app_descriptor *app)
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{
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LTRACE_ENTRY;
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event_init(&testevent, false, EVENT_FLAG_AUTOUNSIGNAL);
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usbtest_usb_setup();
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LTRACE_EXIT;
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}
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static void usbtest_entry(const struct app_descriptor *app, void *args)
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{
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LTRACE_ENTRY;
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TRACEF("starting usb stack\n");
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usb_start();
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// XXX get callback from stack
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thread_sleep(2000);
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TRACEF("queuing transfers\n");
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queue_rx_transfer();
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queue_tx_transfer();
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while (event_wait(&testevent) == NO_ERROR) {
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if (!rxqueued) {
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/* dump the state of the transfer */
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LTRACEF("rx transfer completed\n");
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usbc_dump_transfer(&rx);
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hexdump8(rx.buf, MIN(128, rx.bufpos));
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queue_rx_transfer();
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}
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if (!txqueued) {
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/* dump the state of the transfer */
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LTRACEF("tx transfer completed\n");
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usbc_dump_transfer(&tx);
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queue_tx_transfer();
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}
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}
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LTRACE_EXIT;
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}
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APP_START(usbtest)
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.init = usbtest_init,
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.entry = usbtest_entry,
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APP_END
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