rp2040 hid

1 files changed, 78 insertions, 0 deletions

diff --git a/hid/pico/src/ph_usb_kbd.c b/hid/pico/src/ph_usb_kbd.c
new file mode 100644
index 00000000..95835b0f
--- /dev/null
+++ b/hid/pico/src/ph_usb_kbd.c
@@ -0,0 +1,78 @@
+/* ========================================================================= #
+#                                                                            #
+#    KVMD - The main PiKVM daemon.                                           #
+#                                                                            #
+#    Copyright (C) 2018-2023  Maxim Devaev <[email protected]>               #
+#                                                                            #
+#    This program is free software: you can redistribute it and/or modify    #
+#    it under the terms of the GNU General Public License as published by    #
+#    the Free Software Foundation, either version 3 of the License, or       #
+#    (at your option) any later version.                                     #
+#                                                                            #
+#    This program 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 General Public License for more details.                            #
+#                                                                            #
+#    You should have received a copy of the GNU General Public License       #
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
+#                                                                            #
+# ========================================================================= */
+
+
+#include "ph_usb_kbd.h"
+
+#include "ph_types.h"
+
+
+const u8 PH_USB_KBD_DESC[] = {
+	// Logitech descriptor. It's very similar to https://www.kernel.org/doc/Documentation/usb/gadget_hid.txt
+	// Dumped using usbhid-dump; parsed using https://eleccelerator.com/usbdescreqparser
+
+	// Keyboard
+	0x05, 0x01,	// USAGE_PAGE (Generic Desktop)
+	0x09, 0x06,	// USAGE (Keyboard)
+	0xA1, 0x01,	// COLLECTION (Application)
+
+	// Modifiers
+	0x05, 0x07,	// USAGE_PAGE (Keyboard)
+	0x19, 0xE0,	// USAGE_MINIMUM (Keyboard LeftControl)
+	0x29, 0xE7,	// USAGE_MAXIMUM (Keyboard Right GUI)
+	0x15, 0x00,	// LOGICAL_MINIMUM (0)
+	0x25, 0x01,	// LOGICAL_MAXIMUM (1)
+	0x75, 0x01,	// REPORT_SIZE (1)
+	0x95, 0x08,	// REPORT_COUNT (8)
+	0x81, 0x02,	// INPUT (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
+
+	// Reserved byte
+	0x95, 0x01,	// REPORT_COUNT (1)
+	0x75, 0x08,	// REPORT_SIZE (8)
+	0x81, 0x01,	// INPUT (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
+
+	// LEDs output
+	0x95, 0x05,	// REPORT_COUNT (5)
+	0x75, 0x01,	// REPORT_SIZE (1)
+	0x05, 0x08,	// USAGE_PAGE (LEDs)
+	0x19, 0x01,	// USAGE_MINIMUM (Num Lock)
+	0x29, 0x05,	// USAGE_MAXIMUM (Kana)
+	0x91, 0x02,	// OUTPUT (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
+
+	// Reserved 3 bits in output
+	0x95, 0x01,	// REPORT_COUNT (1)
+	0x75, 0x03,	// REPORT_SIZE (3)
+	0x91, 0x01,	// OUTPUT (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
+
+	// 6 keys
+	0x95, 0x06,	// REPORT_COUNT (6)
+	0x75, 0x08,	// REPORT_SIZE (8)
+	0x15, 0x00,	// LOGICAL_MINIMUM (0)
+	0x26, 0xFF, 0x00,	// LOGICAL_MAXIMUM (0xFF)
+	0x05, 0x07,	// USAGE_PAGE (Keyboard)
+	0x19, 0x00,	// USAGE_MINIMUM (Reserved)
+	0x2A, 0xFF, 0x00,	// USAGE_MAXIMUM (0xFF)
+	0x81, 0x00,	// INPUT (Data,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
+
+	0xC0,		// END_COLLECTION
+};
+
+const uz PH_USB_KBD_DESC_LEN = sizeof(PH_USB_KBD_DESC);