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RIOT/tests/sys/usbus_hid/main.c

92 lines
2.5 KiB
C

/*
* Copyright (C) 2021 Nils Ollrogge
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @brief
* @{
*
* @brief Tests for USB HID
*
* @author Nils Ollrogge <nils.ollrogge@fu-berlin.de>
*/
#include <stdio.h>
#include <stdlib.h>
#include "usb/usbus.h"
#include "xtimer.h"
#include "usb/usbus/hid.h"
#include "usb/usbus/hid_io.h"
/*
this descriptor is used, because the basic usb_hid interface was developed in
conjunction with FIDO2. Descriptor is taken from CTAP specification
(version 20190130) section 8.1.8.2
*/
static const uint8_t report_desc_ctap[] = {
USB_HID_USAGE_PAGE16(USB_HID_USAGE_FIDO),
USB_HID_USAGE(USB_HID_USAGE_FIDO_U2F_AUTHENTICATOR_DEVICE),
USB_HID_COLLECTION(USB_HID_COLLECTION_APPLICATION),
USB_HID_USAGE(USB_HID_USAGE_FIDO_INPUT_REPORT_DATA),
USB_HID_LOGICAL_MIN8(0),
USB_HID_LOGICAL_MAX16(255),
USB_HID_REPORT_SIZE(8),
USB_HID_REPORT_COUNT(CONFIG_USBUS_HID_INTERRUPT_EP_SIZE),
USB_HID_INPUT(0x02),
USB_HID_USAGE(USB_HID_USAGE_FIDO_OUTPUT_REPORT_DATA),
USB_HID_LOGICAL_MIN8(0),
USB_HID_LOGICAL_MAX16(255),
USB_HID_REPORT_SIZE(8),
USB_HID_REPORT_COUNT(CONFIG_USBUS_HID_INTERRUPT_EP_SIZE),
USB_HID_OUTPUT(0x02),
USB_HID_END_COLLECTION,
};
static usbus_t usbus;
static char _stack[USBUS_STACKSIZE];
static char test_arg[] = { "Test argument" };
static void rx_cb(void *arg)
{
printf("USB_HID rx_cb: %s \n", (char *)arg);
}
static void init(void)
{
usbdev_t *usbdev = usbdev_get_ctx(0);
usbus_init(&usbus, usbdev);
usb_hid_io_init(&usbus, report_desc_ctap, sizeof(report_desc_ctap));
usb_hid_io_set_rx_cb(rx_cb, test_arg);
usbus_create(_stack, USBUS_STACKSIZE, USBUS_PRIO, USBUS_TNAME, &usbus);
}
int main(void)
{
/* sleep to wait for Pyterm attaching in order to see puts messages */
xtimer_sleep(3);
init();
puts("RIOT USB HID echo test");
puts(
"Write input to the hidraw device under /dev/hidrawX, and see if it gets echoed here");
uint8_t buffer[CONFIG_USBUS_HID_INTERRUPT_EP_SIZE];
for (;;) {
ssize_t len =
usb_hid_io_read(buffer, CONFIG_USBUS_HID_INTERRUPT_EP_SIZE);
puts("Msg received via USB HID: ");
for (int i = 0; i < len; i++) {
putc(buffer[i], stdout);
}
puts("");
}
}