fish

1 files changed, 129 insertions, 0 deletions

diff --git a/app/keyboard.c b/app/keyboard.c
new file mode 100644
index 0000000..e3e3465
--- /dev/null
+++ b/app/keyboard.c
@@ -0,0 +1,129 @@
+#include "project.h"
+
+static const uint8_t keyboard_report_descriptor[] = {
+  0x05, 0x01,                   /* Usage Page (Generic Desktop) */
+  0x09, 0x06,                   /* Usage (Keyboard) */
+  0xA1, 0x01,                   /* Collection (Application) */
+  0x05, 0x07,                   /*   Usage page (Key Codes) */
+  0x19, 0xE0,                   /*     Usage minimum (224) */
+  0x29, 0xE7,                   /*     Usage maximum (231) */
+  0x15, 0x00,                   /*     Logical minimum (0) */
+  0x25, 0x01,                   /*     Logical maximum (1) */
+  0x75, 0x01,                   /*     Report size (1) */
+  0x95, 0x08,                   /*     Report count (8) */
+  0x81, 0x02,                   /*     Input (data, variable, absolute) */
+  0x95, 0x01,                   /*     Report count (1) */
+  0x75, 0x08,                   /*     Report size (8) */
+  0x81, 0x01,                   /*     Input (constant) */
+  0x95, 0x06,                   /*     Report count (6) */
+  0x75, 0x08,                   /*     Report size (8) */
+  0x15, 0x00,                   /*     Logical minimum (0) */
+  //0x25, 0x65,                   /*     Logical maximum (101) */
+  0x26, 0xff, 0x00,             /*     Logical maximum (255) */
+  //0x26, 0x7f, 0x00,             /*     Logical maximum (255) */
+  0x05, 0x07,                   /*   Usage page (key codes) */
+  0x19, 0x00,                   /*     Usage minimum (0) */
+  0x2A, 0xff, 0x00,             /*     Usage maximum (255) */
+//  0x29, 0x65,                   /*     Usage maximum (101) */
+//  0x2A, 0xff, 0x03,             /*     Usage maximum (1023) */
+  0x81, 0x00,                   /*   Input (data, array) */
+  0x05, 0x01,                   /*   USAGE_PAGE (Generic Desktop)      */
+  0x09, 0x80,                   /*   USAGE (System Control)            */
+  0xA1, 0x01,                   /*   COLLECTION (Application)          */
+  0x75, 0x02,                   /*   REPORT_SIZE (2)                   */
+  0x95, 0x01,                   /*   REPORT_COUNT (1)                  */
+  0x15, 0x01,                   /*   LOGICAL_MIN (1)                   */
+  0x25, 0x03,                   /*   LOGICAL_MAX (3)                   */
+  0x09, 0x82,                   /*   USAGE (System Sleep)              */
+  0x09, 0x81,                   /*   USAGE (System Power Down)         */
+  0x09, 0x83,                   /*   USAGE (System Wake Up)            */
+  0x81, 0x60,                   /*   INPUT (Data Ary Abs NPrf Null)    */
+  0x75, 0x06,                   /*   REPORT_SIZE (6)                   */
+  0x81, 0x03,                   /*   INPUT (Cnst Var Abs)              */
+  0xc0,                         /*   END COLLECTION                    */
+  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)) keyboard_function =
+{
+  .hid_descriptor =
+  {
+  .bLength = sizeof (keyboard_function),.bDescriptorType =
+      USB_DT_HID,.bcdHID = 0x0100,.bCountryCode = 0,.bNumDescriptors = 1,}
+  ,.hid_report =
+  {
+  .bReportDescriptorType = USB_DT_REPORT,.wDescriptorLength =
+      sizeof (keyboard_report_descriptor),}
+,};
+
+const struct usb_endpoint_descriptor keyboard_endpoint = {
+  .bLength = USB_DT_ENDPOINT_SIZE,
+  .bDescriptorType = USB_DT_ENDPOINT,
+  .bEndpointAddress = 0x81,
+  .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
+  .wMaxPacketSize = 9,
+  .bInterval = 0x1              //0x20,
+};
+
+const struct usb_interface_descriptor keyboard_iface = {
+  .bLength = USB_DT_INTERFACE_SIZE,
+  .bDescriptorType = USB_DT_INTERFACE,
+  .bInterfaceNumber = 0,
+  .bAlternateSetting = 0,
+  .bNumEndpoints = 1,
+  .bInterfaceClass = USB_CLASS_HID,
+  .bInterfaceSubClass = 1,      /* boot */
+  .bInterfaceProtocol = 1,      /* keyboard */
+  .iInterface = 5,
+  .endpoint = &keyboard_endpoint,
+  .extra = &keyboard_function,
+  .extralen = sizeof (keyboard_function),
+};
+
+
+void
+keyboard_get_descriptor (uint8_t ** buf, uint16_t * len)
+{
+
+  /* Handle the HID report descriptor. */
+  *buf = (uint8_t *) keyboard_report_descriptor;
+  *len = sizeof (keyboard_report_descriptor);
+}
+
+void
+keyboard_keypress (int m, int k)
+{
+  uint8_t buf[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+
+
+  buf[0] = m;
+  buf[2] = k;
+  usbd_ep_write_packet (usbd_dev, 0x81, buf, 9);
+
+  delay_ms (10);
+
+  buf[0] = m;
+  buf[2] = 0;
+  usbd_ep_write_packet (usbd_dev, 0x81, buf, 9);
+
+  delay_ms (10);
+
+  if (m)
+    {
+      buf[0] = 0;
+      buf[2] = 0;
+      usbd_ep_write_packet (usbd_dev, 0x81, buf, 9);
+
+      delay_ms (10);
+    }
+
+}