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-rw-r--r--src/usbhid.c317
1 files changed, 0 insertions, 317 deletions
diff --git a/src/usbhid.c b/src/usbhid.c
deleted file mode 100644
index d0c0aa9..0000000
--- a/src/usbhid.c
+++ /dev/null
@@ -1,317 +0,0 @@
-/*
- * This file is part of the libopencm3 project.
- *
- * Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
- *
- * This library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <libopencm3/stm32/rcc.h>
-#include <libopencm3/stm32/gpio.h>
-#include <libopencm3/cm3/systick.h>
-#include <libopencm3/usb/usbd.h>
-#include <libopencm3/usb/hid.h>
-
-/* Define this to include the DFU APP interface. */
-#define INCLUDE_DFU_INTERFACE
-
-#ifdef INCLUDE_DFU_INTERFACE
-#include <libopencm3/cm3/scb.h>
-#include <libopencm3/usb/dfu.h>
-#endif
-
-const struct usb_device_descriptor dev = {
- .bLength = USB_DT_DEVICE_SIZE,
- .bDescriptorType = USB_DT_DEVICE,
- .bcdUSB = 0x0200,
- .bDeviceClass = 0,
- .bDeviceSubClass = 0,
- .bDeviceProtocol = 0,
- .bMaxPacketSize0 = 64,
- .idVendor = 0x0483,
- .idProduct = 0x5710,
- .bcdDevice = 0x0200,
- .iManufacturer = 1,
- .iProduct = 2,
- .iSerialNumber = 3,
- .bNumConfigurations = 1,
-};
-
-static const uint8_t hid_report_descriptor[] = {
- 0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */
- 0x09, 0x02, /* USAGE (Mouse) */
- 0xa1, 0x01, /* COLLECTION (Application) */
- 0x09, 0x01, /* USAGE (Pointer) */
- 0xa1, 0x00, /* COLLECTION (Physical) */
- 0x05, 0x09, /* USAGE_PAGE (Button) */
- 0x19, 0x01, /* USAGE_MINIMUM (Button 1) */
- 0x29, 0x03, /* USAGE_MAXIMUM (Button 3) */
- 0x15, 0x00, /* LOGICAL_MINIMUM (0) */
- 0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
- 0x95, 0x03, /* REPORT_COUNT (3) */
- 0x75, 0x01, /* REPORT_SIZE (1) */
- 0x81, 0x02, /* INPUT (Data,Var,Abs) */
- 0x95, 0x01, /* REPORT_COUNT (1) */
- 0x75, 0x05, /* REPORT_SIZE (5) */
- 0x81, 0x01, /* INPUT (Cnst,Ary,Abs) */
- 0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */
- 0x09, 0x30, /* USAGE (X) */
- 0x09, 0x31, /* USAGE (Y) */
- 0x09, 0x38, /* USAGE (Wheel) */
- 0x15, 0x81, /* LOGICAL_MINIMUM (-127) */
- 0x25, 0x7f, /* LOGICAL_MAXIMUM (127) */
- 0x75, 0x08, /* REPORT_SIZE (8) */
- 0x95, 0x03, /* REPORT_COUNT (3) */
- 0x81, 0x06, /* INPUT (Data,Var,Rel) */
- 0xc0, /* END_COLLECTION */
- 0x09, 0x3c, /* USAGE (Motion Wakeup) */
- 0x05, 0xff, /* USAGE_PAGE (Vendor Defined Page 1) */
- 0x09, 0x01, /* USAGE (Vendor Usage 1) */
- 0x15, 0x00, /* LOGICAL_MINIMUM (0) */
- 0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
- 0x75, 0x01, /* REPORT_SIZE (1) */
- 0x95, 0x02, /* REPORT_COUNT (2) */
- 0xb1, 0x22, /* FEATURE (Data,Var,Abs,NPrf) */
- 0x75, 0x06, /* REPORT_SIZE (6) */
- 0x95, 0x01, /* REPORT_COUNT (1) */
- 0xb1, 0x01, /* FEATURE (Cnst,Ary,Abs) */
- 0xc0 /* END_COLLECTION */
-};
-
-static const struct {
- struct usb_hid_descriptor hid_descriptor;
- struct {
- uint8_t bReportDescriptorType;
- uint16_t wDescriptorLength;
- } __attribute__((packed)) hid_report;
-} __attribute__((packed)) hid_function = {
- .hid_descriptor = {
- .bLength = sizeof(hid_function),
- .bDescriptorType = USB_DT_HID,
- .bcdHID = 0x0100,
- .bCountryCode = 0,
- .bNumDescriptors = 1,
- },
- .hid_report = {
- .bReportDescriptorType = USB_DT_REPORT,
- .wDescriptorLength = sizeof(hid_report_descriptor),
- },
-};
-
-const struct usb_endpoint_descriptor hid_endpoint = {
- .bLength = USB_DT_ENDPOINT_SIZE,
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 0x81,
- .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
- .wMaxPacketSize = 4,
- .bInterval = 0x20,
-};
-
-const struct usb_interface_descriptor hid_iface = {
- .bLength = USB_DT_INTERFACE_SIZE,
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 0,
- .bAlternateSetting = 0,
- .bNumEndpoints = 1,
- .bInterfaceClass = USB_CLASS_HID,
- .bInterfaceSubClass = 1, /* boot */
- .bInterfaceProtocol = 2, /* mouse */
- .iInterface = 0,
-
- .endpoint = &hid_endpoint,
-
- .extra = &hid_function,
- .extralen = sizeof(hid_function),
-};
-
-#ifdef INCLUDE_DFU_INTERFACE
-const struct usb_dfu_descriptor dfu_function = {
- .bLength = sizeof(struct usb_dfu_descriptor),
- .bDescriptorType = DFU_FUNCTIONAL,
- .bmAttributes = USB_DFU_CAN_DOWNLOAD | USB_DFU_WILL_DETACH,
- .wDetachTimeout = 255,
- .wTransferSize = 1024,
- .bcdDFUVersion = 0x011A,
-};
-
-const struct usb_interface_descriptor dfu_iface = {
- .bLength = USB_DT_INTERFACE_SIZE,
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 1,
- .bAlternateSetting = 0,
- .bNumEndpoints = 0,
- .bInterfaceClass = 0xFE,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 1,
- .iInterface = 0,
-
- .extra = &dfu_function,
- .extralen = sizeof(dfu_function),
-};
-#endif
-
-const struct usb_interface ifaces[] = {{
- .num_altsetting = 1,
- .altsetting = &hid_iface,
-#ifdef INCLUDE_DFU_INTERFACE
-}, {
- .num_altsetting = 1,
- .altsetting = &dfu_iface,
-#endif
-}};
-
-const struct usb_config_descriptor config = {
- .bLength = USB_DT_CONFIGURATION_SIZE,
- .bDescriptorType = USB_DT_CONFIGURATION,
- .wTotalLength = 0,
-#ifdef INCLUDE_DFU_INTERFACE
- .bNumInterfaces = 2,
-#else
- .bNumInterfaces = 1,
-#endif
- .bConfigurationValue = 1,
- .iConfiguration = 0,
- .bmAttributes = 0xC0,
- .bMaxPower = 0x32,
-
- .interface = ifaces,
-};
-
-static const char *usb_strings[] = {
- "Cabbages are good for you",
- "fish",
- "soup",
-};
-
-/* Buffer to be used for control requests. */
-uint8_t usbd_control_buffer[128];
-
-static int hid_control_request(usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len,
- void (**complete)(usbd_device *usbd_dev, struct usb_setup_data *req))
-{
- (void)complete;
- (void)usbd_dev;
-
- if ((req->bmRequestType != 0x81) ||
- (req->bRequest != USB_REQ_GET_DESCRIPTOR) ||
- (req->wValue != 0x2200))
- return 0;
-
- /* Handle the HID report descriptor. */
- *buf = (uint8_t *)hid_report_descriptor;
- *len = sizeof(hid_report_descriptor);
-
- return 1;
-}
-
-#ifdef INCLUDE_DFU_INTERFACE
-static void dfu_detach_complete(usbd_device *usbd_dev, struct usb_setup_data *req)
-{
- (void)req;
- (void)usbd_dev;
-
- gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO15);
- gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
- GPIO_CNF_OUTPUT_PUSHPULL, GPIO10);
- gpio_set(GPIOA, GPIO10);
- scb_reset_core();
-}
-
-static int dfu_control_request(usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len,
- void (**complete)(usbd_device *usbd_dev, struct usb_setup_data *req))
-{
- (void)buf;
- (void)len;
- (void)usbd_dev;
-
- if ((req->bmRequestType != 0x21) || (req->bRequest != DFU_DETACH))
- return 0; /* Only accept class request. */
-
- *complete = dfu_detach_complete;
-
- return 1;
-}
-#endif
-
-static void hid_set_config(usbd_device *usbd_dev, uint16_t wValue)
-{
- (void)wValue;
- (void)usbd_dev;
-
- usbd_ep_setup(usbd_dev, 0x81, USB_ENDPOINT_ATTR_INTERRUPT, 4, NULL);
-
- usbd_register_control_callback(
- usbd_dev,
- USB_REQ_TYPE_STANDARD | USB_REQ_TYPE_INTERFACE,
- USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
- hid_control_request);
-#ifdef INCLUDE_DFU_INTERFACE
- usbd_register_control_callback(
- usbd_dev,
- USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
- USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
- dfu_control_request);
-#endif
-
- systick_set_clocksource(STK_CSR_CLKSOURCE_AHB_DIV8);
- /* SysTick interrupt every N clock pulses: set reload to N-1 */
- systick_set_reload(99999);
- systick_interrupt_enable();
- systick_counter_enable();
-}
-
-int main(void)
-{
- int i;
-
- usbd_device *usbd_dev;
-
- rcc_clock_setup_in_hsi_out_48mhz();
-
- rcc_periph_clock_enable(RCC_GPIOC);
-
- gpio_set(GPIOC, GPIO11);
- gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
- GPIO_CNF_OUTPUT_PUSHPULL, GPIO11);
-
- usbd_dev = usbd_init(&stm32f103_usb_driver, &dev, &config, usb_strings, 3, usbd_control_buffer, sizeof(usbd_control_buffer));
- usbd_register_set_config_callback(usbd_dev, hid_set_config);
-
- for (i = 0; i < 0x80000; i++)
- __asm__("nop");
-
- gpio_clear(GPIOC, GPIO11);
-
- while (1)
- usbd_poll(usbd_dev);
-}
-
-#if 0 /* is this used? */
-void sys_tick_handler(void)
-{
- static int x = 0;
- static int dir = 1;
- uint8_t buf[4] = {0, 0, 0, 0};
-
- buf[1] = dir;
- x += dir;
- if (x > 30)
- dir = -dir;
- if (x < -30)
- dir = -dir;
-
- usbd_ep_write_packet(usbd_dev, 0x81, buf, 4);
-}
-#endif
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