summaryrefslogtreecommitdiffstats
path: root/app/usb.c
diff options
context:
space:
mode:
authorroot <root@lab2.panaceas.james.local>2014-11-02 18:17:44 +0000
committerroot <root@lab2.panaceas.james.local>2014-11-02 18:17:44 +0000
commit12287ff0a55f929bf840dcb4780d3f77b862c434 (patch)
tree46632674f393249e7cd74eacd7a4da00ccec540f /app/usb.c
parent479e719a64d75374f00438498cf91ba2601a63f1 (diff)
downloadstm32_usb_kvm-12287ff0a55f929bf840dcb4780d3f77b862c434.tar.gz
stm32_usb_kvm-12287ff0a55f929bf840dcb4780d3f77b862c434.tar.bz2
stm32_usb_kvm-12287ff0a55f929bf840dcb4780d3f77b862c434.zip
fish
Diffstat (limited to 'app/usb.c')
-rw-r--r--app/usb.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/app/usb.c b/app/usb.c
new file mode 100644
index 0000000..f796162
--- /dev/null
+++ b/app/usb.c
@@ -0,0 +1,146 @@
+#include "project.h"
+
+/* Define this to include the DFU APP interface. */
+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 = 0x1d6b,
+ .idProduct = 0x0ee3,
+ .bcdDevice = 0x0200,
+ .iManufacturer = 1,
+ .iProduct = 2,
+ .iSerialNumber = 3,
+ .bNumConfigurations = 1,
+};
+
+const struct usb_interface ifaces[] = {
+ {
+ .num_altsetting = 1,
+ .altsetting = &keyboard_iface,
+ },
+ {
+ .num_altsetting = 1,
+ .altsetting = &mouse_iface,
+ },
+ {
+ .num_altsetting = 1,
+ .altsetting = &tablet_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 = 4,
+#else
+ .bNumInterfaces = 3,
+#endif
+ .bConfigurationValue = 1,
+ .iConfiguration = 0,
+ .bmAttributes = 0xC0,
+ .bMaxPower = 0x32,
+
+ .interface = ifaces,
+};
+
+static const char *usb_strings[] = {
+ "Cabbages are good for you",
+ "fish",
+ "soup",
+};
+
+
+
+usbd_device *usbd_dev;
+
+
+static int
+usb_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;
+
+ switch (req->wIndex)
+ {
+ case 0:
+ keyboard_get_descriptor (buf, len);
+ return 1;
+ case 1:
+ mouse_get_descriptor (buf, len);
+ return 1;
+ case 2:
+ tablet_get_descriptor (buf, len);
+ return 1;
+ }
+
+ *len = 0;
+ return 0;
+}
+
+
+void
+usb_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_ep_setup (usbd_dev, 0x82, USB_ENDPOINT_ATTR_INTERRUPT, 4, NULL);
+ usbd_ep_setup (usbd_dev, 0x83, 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,
+ usb_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
+}
+
+/* Buffer to be used for control requests. */
+static uint8_t usbd_control_buffer[128];
+
+void
+usb_init (void)
+{
+
+ 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, usb_set_config);
+
+}
+
+void
+usb_run (void)
+{
+ while (1)
+ usbd_poll (usbd_dev);
+}