1385 lines
50 KiB
C
1385 lines
50 KiB
C
/*
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* (c) 2015 flabberast <s3+flabbergast@sdfeu.org>
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*
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* Based on the following work:
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* - Guillaume Duc's raw hid example (MIT License)
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* https://github.com/guiduc/usb-hid-chibios-example
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* - PJRC Teensy examples (MIT License)
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* https://www.pjrc.com/teensy/usb_keyboard.html
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* - hasu's TMK keyboard code (GPL v2 and some code Modified BSD)
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* https://github.com/tmk/tmk_keyboard/
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* - ChibiOS demo code (Apache 2.0 License)
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* http://www.chibios.org
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*
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* Since some GPL'd code is used, this work is licensed under
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* GPL v2 or later.
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*/
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#include "ch.h"
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#include "hal.h"
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#include "usb_main.h"
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#include "host.h"
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#include "debug.h"
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#include "suspend.h"
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#ifdef SLEEP_LED_ENABLE
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#include "sleep_led.h"
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#include "led.h"
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#endif
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#include "wait.h"
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#ifdef NKRO_ENABLE
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#include "keycode_config.h"
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extern keymap_config_t keymap_config;
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#endif
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/* ---------------------------------------------------------
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* Global interface variables and declarations
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* ---------------------------------------------------------
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*/
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#ifndef usb_lld_connect_bus
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#define usb_lld_connect_bus(usbp)
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#endif
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#ifndef usb_lld_disconnect_bus
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#define usb_lld_disconnect_bus(usbp)
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#endif
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uint8_t keyboard_idle __attribute__((aligned(2))) = 0;
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uint8_t keyboard_protocol __attribute__((aligned(2))) = 1;
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uint16_t keyboard_led_stats __attribute__((aligned(2))) = 0;
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volatile uint16_t keyboard_idle_count = 0;
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static virtual_timer_t keyboard_idle_timer;
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static void keyboard_idle_timer_cb(void *arg);
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report_keyboard_t keyboard_report_sent = {{0}};
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#ifdef MOUSE_ENABLE
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report_mouse_t mouse_report_blank = {0};
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#endif /* MOUSE_ENABLE */
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#ifdef EXTRAKEY_ENABLE
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uint8_t extra_report_blank[3] = {0};
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#endif /* EXTRAKEY_ENABLE */
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#ifdef CONSOLE_ENABLE
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/* The emission buffers queue */
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output_buffers_queue_t console_buf_queue;
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static uint8_t console_queue_buffer[BQ_BUFFER_SIZE(CONSOLE_QUEUE_CAPACITY, CONSOLE_EPSIZE)];
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static virtual_timer_t console_flush_timer;
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void console_queue_onotify(io_buffers_queue_t *bqp);
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static void console_flush_cb(void *arg);
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#endif /* CONSOLE_ENABLE */
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/* ---------------------------------------------------------
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* Descriptors and USB driver objects
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* ---------------------------------------------------------
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*/
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/* HID specific constants */
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#define USB_DESCRIPTOR_HID 0x21
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#define USB_DESCRIPTOR_HID_REPORT 0x22
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#define HID_GET_REPORT 0x01
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#define HID_GET_IDLE 0x02
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#define HID_GET_PROTOCOL 0x03
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#define HID_SET_REPORT 0x09
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#define HID_SET_IDLE 0x0A
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#define HID_SET_PROTOCOL 0x0B
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/* USB Device Descriptor */
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static const uint8_t usb_device_descriptor_data[] = {
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USB_DESC_DEVICE(0x0200, // bcdUSB (1.1)
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0, // bDeviceClass (defined in later in interface)
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0, // bDeviceSubClass
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0, // bDeviceProtocol
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64, // bMaxPacketSize (64 bytes) (the driver didn't work with 32)
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VENDOR_ID, // idVendor
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PRODUCT_ID, // idProduct
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DEVICE_VER, // bcdDevice
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1, // iManufacturer
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2, // iProduct
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3, // iSerialNumber
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1) // bNumConfigurations
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};
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/* Device Descriptor wrapper */
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static const USBDescriptor usb_device_descriptor = {
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sizeof usb_device_descriptor_data,
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usb_device_descriptor_data
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};
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/*
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* HID Report Descriptor
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*
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* See "Device Class Definition for Human Interface Devices (HID)"
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* (http://www.usb.org/developers/hidpage/HID1_11.pdf) for the
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* detailed descrition of all the fields
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*/
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/* Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60 */
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static const uint8_t keyboard_hid_report_desc_data[] = {
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0x05, 0x01, // Usage Page (Generic Desktop),
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0x09, 0x06, // Usage (Keyboard),
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0xA1, 0x01, // Collection (Application),
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0x75, 0x01, // Report Size (1),
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0x95, 0x08, // Report Count (8),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0xE0, // Usage Minimum (224),
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0x29, 0xE7, // Usage Maximum (231),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0x01, // Logical Maximum (1),
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0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
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0x95, 0x01, // Report Count (1),
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0x75, 0x08, // Report Size (8),
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0x81, 0x03, // Input (Constant), ;Reserved byte
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0x95, 0x05, // Report Count (5),
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0x75, 0x01, // Report Size (1),
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0x05, 0x08, // Usage Page (LEDs),
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0x19, 0x01, // Usage Minimum (1),
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0x29, 0x05, // Usage Maximum (5),
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0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
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0x95, 0x01, // Report Count (1),
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0x75, 0x03, // Report Size (3),
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0x91, 0x03, // Output (Constant), ;LED report padding
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0x95, KBD_REPORT_KEYS, // Report Count (),
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0x75, 0x08, // Report Size (8),
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0x15, 0x00, // Logical Minimum (0),
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0x26, 0xFF, 0x00, // Logical Maximum(255),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0x00, // Usage Minimum (0),
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0x29, 0xFF, // Usage Maximum (255),
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0x81, 0x00, // Input (Data, Array),
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0xc0 // End Collection
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};
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/* wrapper */
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static const USBDescriptor keyboard_hid_report_descriptor = {
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sizeof keyboard_hid_report_desc_data,
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keyboard_hid_report_desc_data
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};
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#ifdef NKRO_ENABLE
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static const uint8_t nkro_hid_report_desc_data[] = {
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0x05, 0x01, // Usage Page (Generic Desktop),
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0x09, 0x06, // Usage (Keyboard),
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0xA1, 0x01, // Collection (Application),
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// bitmap of modifiers
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0x75, 0x01, // Report Size (1),
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0x95, 0x08, // Report Count (8),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0xE0, // Usage Minimum (224),
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0x29, 0xE7, // Usage Maximum (231),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0x01, // Logical Maximum (1),
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0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
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// LED output report
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0x95, 0x05, // Report Count (5),
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0x75, 0x01, // Report Size (1),
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0x05, 0x08, // Usage Page (LEDs),
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0x19, 0x01, // Usage Minimum (1),
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0x29, 0x05, // Usage Maximum (5),
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0x91, 0x02, // Output (Data, Variable, Absolute),
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0x95, 0x01, // Report Count (1),
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0x75, 0x03, // Report Size (3),
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0x91, 0x03, // Output (Constant),
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// bitmap of keys
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0x95, NKRO_REPORT_KEYS * 8, // Report Count (),
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0x75, 0x01, // Report Size (1),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0x01, // Logical Maximum(1),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0x00, // Usage Minimum (0),
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0x29, NKRO_REPORT_KEYS * 8 - 1, // Usage Maximum (),
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0x81, 0x02, // Input (Data, Variable, Absolute),
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0xc0 // End Collection
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};
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/* wrapper */
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static const USBDescriptor nkro_hid_report_descriptor = {
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sizeof nkro_hid_report_desc_data,
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nkro_hid_report_desc_data
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};
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#endif /* NKRO_ENABLE */
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#ifdef MOUSE_ENABLE
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/* Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
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* http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
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* http://www.keil.com/forum/15671/
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* http://www.microsoft.com/whdc/device/input/wheel.mspx */
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static const uint8_t mouse_hid_report_desc_data[] = {
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/* mouse */
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0x05, 0x01, // USAGE_PAGE (Generic Desktop)
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0x09, 0x02, // USAGE (Mouse)
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0xa1, 0x01, // COLLECTION (Application)
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//0x85, REPORT_ID_MOUSE, // REPORT_ID (1)
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0x09, 0x01, // USAGE (Pointer)
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0xa1, 0x00, // COLLECTION (Physical)
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// ---------------------------- Buttons
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0x05, 0x09, // USAGE_PAGE (Button)
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0x19, 0x01, // USAGE_MINIMUM (Button 1)
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0x29, 0x05, // USAGE_MAXIMUM (Button 5)
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0x15, 0x00, // LOGICAL_MINIMUM (0)
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0x25, 0x01, // LOGICAL_MAXIMUM (1)
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0x75, 0x01, // REPORT_SIZE (1)
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0x95, 0x05, // REPORT_COUNT (5)
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0x81, 0x02, // INPUT (Data,Var,Abs)
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0x75, 0x03, // REPORT_SIZE (3)
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0x95, 0x01, // REPORT_COUNT (1)
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0x81, 0x03, // INPUT (Cnst,Var,Abs)
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// ---------------------------- X,Y position
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0x05, 0x01, // USAGE_PAGE (Generic Desktop)
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0x09, 0x30, // USAGE (X)
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0x09, 0x31, // USAGE (Y)
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0x15, 0x81, // LOGICAL_MINIMUM (-127)
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0x25, 0x7f, // LOGICAL_MAXIMUM (127)
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0x75, 0x08, // REPORT_SIZE (8)
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0x95, 0x02, // REPORT_COUNT (2)
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0x81, 0x06, // INPUT (Data,Var,Rel)
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// ---------------------------- Vertical wheel
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0x09, 0x38, // USAGE (Wheel)
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0x15, 0x81, // LOGICAL_MINIMUM (-127)
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0x25, 0x7f, // LOGICAL_MAXIMUM (127)
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0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
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0x45, 0x00, // PHYSICAL_MAXIMUM (0)
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0x75, 0x08, // REPORT_SIZE (8)
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0x95, 0x01, // REPORT_COUNT (1)
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0x81, 0x06, // INPUT (Data,Var,Rel)
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// ---------------------------- Horizontal wheel
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0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
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0x0a, 0x38, 0x02, // USAGE (AC Pan)
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0x15, 0x81, // LOGICAL_MINIMUM (-127)
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0x25, 0x7f, // LOGICAL_MAXIMUM (127)
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0x75, 0x08, // REPORT_SIZE (8)
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0x95, 0x01, // REPORT_COUNT (1)
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0x81, 0x06, // INPUT (Data,Var,Rel)
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0xc0, // END_COLLECTION
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0xc0, // END_COLLECTION
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};
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/* wrapper */
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static const USBDescriptor mouse_hid_report_descriptor = {
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sizeof mouse_hid_report_desc_data,
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mouse_hid_report_desc_data
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};
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#endif /* MOUSE_ENABLE */
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#ifdef CONSOLE_ENABLE
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static const uint8_t console_hid_report_desc_data[] = {
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0x06, 0x31, 0xFF, // Usage Page 0xFF31 (vendor defined)
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0x09, 0x74, // Usage 0x74
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0xA1, 0x53, // Collection 0x53
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0x75, 0x08, // report size = 8 bits
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0x15, 0x00, // logical minimum = 0
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0x26, 0xFF, 0x00, // logical maximum = 255
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0x95, CONSOLE_EPSIZE, // report count
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0x09, 0x75, // usage
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0x81, 0x02, // Input (array)
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0xC0 // end collection
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};
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/* wrapper */
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static const USBDescriptor console_hid_report_descriptor = {
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sizeof console_hid_report_desc_data,
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console_hid_report_desc_data
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};
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#endif /* CONSOLE_ENABLE */
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#ifdef EXTRAKEY_ENABLE
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/* audio controls & system controls
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* http://www.microsoft.com/whdc/archive/w2kbd.mspx */
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static const uint8_t extra_hid_report_desc_data[] = {
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/* system control */
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0x05, 0x01, // USAGE_PAGE (Generic Desktop)
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0x09, 0x80, // USAGE (System Control)
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0xa1, 0x01, // COLLECTION (Application)
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0x85, REPORT_ID_SYSTEM, // REPORT_ID (2)
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0x15, 0x01, // LOGICAL_MINIMUM (0x1)
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0x25, 0xb7, // LOGICAL_MAXIMUM (0xb7)
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0x19, 0x01, // USAGE_MINIMUM (0x1)
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0x29, 0xb7, // USAGE_MAXIMUM (0xb7)
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0x75, 0x10, // REPORT_SIZE (16)
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0x95, 0x01, // REPORT_COUNT (1)
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0x81, 0x00, // INPUT (Data,Array,Abs)
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0xc0, // END_COLLECTION
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/* consumer */
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0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
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0x09, 0x01, // USAGE (Consumer Control)
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0xa1, 0x01, // COLLECTION (Application)
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0x85, REPORT_ID_CONSUMER, // REPORT_ID (3)
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0x15, 0x01, // LOGICAL_MINIMUM (0x1)
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0x26, 0x9c, 0x02, // LOGICAL_MAXIMUM (0x29c)
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0x19, 0x01, // USAGE_MINIMUM (0x1)
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0x2a, 0x9c, 0x02, // USAGE_MAXIMUM (0x29c)
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0x75, 0x10, // REPORT_SIZE (16)
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0x95, 0x01, // REPORT_COUNT (1)
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0x81, 0x00, // INPUT (Data,Array,Abs)
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0xc0, // END_COLLECTION
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};
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/* wrapper */
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static const USBDescriptor extra_hid_report_descriptor = {
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sizeof extra_hid_report_desc_data,
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extra_hid_report_desc_data
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};
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#endif /* EXTRAKEY_ENABLE */
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/*
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* Configuration Descriptor tree for a HID device
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*
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* The HID Specifications version 1.11 require the following order:
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* - Configuration Descriptor
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* - Interface Descriptor
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* - HID Descriptor
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* - Endpoints Descriptors
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*/
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#define KBD_HID_DESC_NUM 0
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#define KBD_HID_DESC_OFFSET (9 + (9 + 9 + 7) * KBD_HID_DESC_NUM + 9)
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#ifdef MOUSE_ENABLE
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# define MOUSE_HID_DESC_NUM (KBD_HID_DESC_NUM + 1)
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# define MOUSE_HID_DESC_OFFSET (9 + (9 + 9 + 7) * MOUSE_HID_DESC_NUM + 9)
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#else /* MOUSE_ENABLE */
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# define MOUSE_HID_DESC_NUM (KBD_HID_DESC_NUM + 0)
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#endif /* MOUSE_ENABLE */
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#ifdef CONSOLE_ENABLE
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#define CONSOLE_HID_DESC_NUM (MOUSE_HID_DESC_NUM + 1)
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#define CONSOLE_HID_DESC_OFFSET (9 + (9 + 9 + 7) * CONSOLE_HID_DESC_NUM + 9)
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#else /* CONSOLE_ENABLE */
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# define CONSOLE_HID_DESC_NUM (MOUSE_HID_DESC_NUM + 0)
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#endif /* CONSOLE_ENABLE */
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#ifdef EXTRAKEY_ENABLE
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# define EXTRA_HID_DESC_NUM (CONSOLE_HID_DESC_NUM + 1)
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# define EXTRA_HID_DESC_OFFSET (9 + (9 + 9 + 7) * EXTRA_HID_DESC_NUM + 9)
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#else /* EXTRAKEY_ENABLE */
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# define EXTRA_HID_DESC_NUM (CONSOLE_HID_DESC_NUM + 0)
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#endif /* EXTRAKEY_ENABLE */
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#ifdef NKRO_ENABLE
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# define NKRO_HID_DESC_NUM (EXTRA_HID_DESC_NUM + 1)
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# define NKRO_HID_DESC_OFFSET (9 + (9 + 9 + 7) * EXTRA_HID_DESC_NUM + 9)
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#else /* NKRO_ENABLE */
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# define NKRO_HID_DESC_NUM (EXTRA_HID_DESC_NUM + 0)
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#endif /* NKRO_ENABLE */
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#define NUM_INTERFACES (NKRO_HID_DESC_NUM + 1)
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#define CONFIG1_DESC_SIZE (9 + (9 + 9 + 7) * NUM_INTERFACES)
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static const uint8_t hid_configuration_descriptor_data[] = {
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/* Configuration Descriptor (9 bytes) USB spec 9.6.3, page 264-266, Table 9-10 */
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USB_DESC_CONFIGURATION(CONFIG1_DESC_SIZE, // wTotalLength
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NUM_INTERFACES, // bNumInterfaces
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1, // bConfigurationValue
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0, // iConfiguration
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0xA0, // bmAttributes (RESERVED|REMOTEWAKEUP)
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50), // bMaxPower (50mA)
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/* Interface Descriptor (9 bytes) USB spec 9.6.5, page 267-269, Table 9-12 */
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USB_DESC_INTERFACE(KBD_INTERFACE, // bInterfaceNumber
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0, // bAlternateSetting
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1, // bNumEndpoints
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0x03, // bInterfaceClass: HID
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0x01, // bInterfaceSubClass: Boot
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0x01, // bInterfaceProtocol: Keyboard
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0), // iInterface
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/* HID descriptor (9 bytes) HID 1.11 spec, section 6.2.1 */
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USB_DESC_BYTE(9), // bLength
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USB_DESC_BYTE(0x21), // bDescriptorType (HID class)
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USB_DESC_BCD(0x0111), // bcdHID: HID version 1.11
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USB_DESC_BYTE(0), // bCountryCode
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USB_DESC_BYTE(1), // bNumDescriptors
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USB_DESC_BYTE(0x22), // bDescriptorType (report desc)
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USB_DESC_WORD(sizeof(keyboard_hid_report_desc_data)), // wDescriptorLength
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/* Endpoint Descriptor (7 bytes) USB spec 9.6.6, page 269-271, Table 9-13 */
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USB_DESC_ENDPOINT(KBD_ENDPOINT | 0x80, // bEndpointAddress
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0x03, // bmAttributes (Interrupt)
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KBD_EPSIZE,// wMaxPacketSize
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10), // bInterval
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#ifdef MOUSE_ENABLE
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/* Interface Descriptor (9 bytes) USB spec 9.6.5, page 267-269, Table 9-12 */
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USB_DESC_INTERFACE(MOUSE_INTERFACE, // bInterfaceNumber
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0, // bAlternateSetting
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1, // bNumEndpoints
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0x03, // bInterfaceClass (0x03 = HID)
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// ThinkPad T23 BIOS doesn't work with boot mouse.
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0x00, // bInterfaceSubClass (0x01 = Boot)
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0x00, // bInterfaceProtocol (0x02 = Mouse)
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/*
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0x01, // bInterfaceSubClass (0x01 = Boot)
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0x02, // bInterfaceProtocol (0x02 = Mouse)
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*/
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0), // iInterface
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|
|
/* HID descriptor (9 bytes) HID 1.11 spec, section 6.2.1 */
|
|
USB_DESC_BYTE(9), // bLength
|
|
USB_DESC_BYTE(0x21), // bDescriptorType (HID class)
|
|
USB_DESC_BCD(0x0111), // bcdHID: HID version 1.11
|
|
USB_DESC_BYTE(0), // bCountryCode
|
|
USB_DESC_BYTE(1), // bNumDescriptors
|
|
USB_DESC_BYTE(0x22), // bDescriptorType (report desc)
|
|
USB_DESC_WORD(sizeof(mouse_hid_report_desc_data)), // wDescriptorLength
|
|
|
|
/* Endpoint Descriptor (7 bytes) USB spec 9.6.6, page 269-271, Table 9-13 */
|
|
USB_DESC_ENDPOINT(MOUSE_ENDPOINT | 0x80, // bEndpointAddress
|
|
0x03, // bmAttributes (Interrupt)
|
|
MOUSE_EPSIZE, // wMaxPacketSize
|
|
1), // bInterval
|
|
#endif /* MOUSE_ENABLE */
|
|
|
|
#ifdef CONSOLE_ENABLE
|
|
/* Interface Descriptor (9 bytes) USB spec 9.6.5, page 267-269, Table 9-12 */
|
|
USB_DESC_INTERFACE(CONSOLE_INTERFACE, // bInterfaceNumber
|
|
0, // bAlternateSetting
|
|
1, // bNumEndpoints
|
|
0x03, // bInterfaceClass: HID
|
|
0x00, // bInterfaceSubClass: None
|
|
0x00, // bInterfaceProtocol: None
|
|
0), // iInterface
|
|
|
|
/* HID descriptor (9 bytes) HID 1.11 spec, section 6.2.1 */
|
|
USB_DESC_BYTE(9), // bLength
|
|
USB_DESC_BYTE(0x21), // bDescriptorType (HID class)
|
|
USB_DESC_BCD(0x0111), // bcdHID: HID version 1.11
|
|
USB_DESC_BYTE(0), // bCountryCode
|
|
USB_DESC_BYTE(1), // bNumDescriptors
|
|
USB_DESC_BYTE(0x22), // bDescriptorType (report desc)
|
|
USB_DESC_WORD(sizeof(console_hid_report_desc_data)), // wDescriptorLength
|
|
|
|
/* Endpoint Descriptor (7 bytes) USB spec 9.6.6, page 269-271, Table 9-13 */
|
|
USB_DESC_ENDPOINT(CONSOLE_ENDPOINT | 0x80, // bEndpointAddress
|
|
0x03, // bmAttributes (Interrupt)
|
|
CONSOLE_EPSIZE, // wMaxPacketSize
|
|
1), // bInterval
|
|
#endif /* CONSOLE_ENABLE */
|
|
|
|
#ifdef EXTRAKEY_ENABLE
|
|
/* Interface Descriptor (9 bytes) USB spec 9.6.5, page 267-269, Table 9-12 */
|
|
USB_DESC_INTERFACE(EXTRA_INTERFACE, // bInterfaceNumber
|
|
0, // bAlternateSetting
|
|
1, // bNumEndpoints
|
|
0x03, // bInterfaceClass: HID
|
|
0x00, // bInterfaceSubClass: None
|
|
0x00, // bInterfaceProtocol: None
|
|
0), // iInterface
|
|
|
|
/* HID descriptor (9 bytes) HID 1.11 spec, section 6.2.1 */
|
|
USB_DESC_BYTE(9), // bLength
|
|
USB_DESC_BYTE(0x21), // bDescriptorType (HID class)
|
|
USB_DESC_BCD(0x0111), // bcdHID: HID version 1.11
|
|
USB_DESC_BYTE(0), // bCountryCode
|
|
USB_DESC_BYTE(1), // bNumDescriptors
|
|
USB_DESC_BYTE(0x22), // bDescriptorType (report desc)
|
|
USB_DESC_WORD(sizeof(extra_hid_report_desc_data)), // wDescriptorLength
|
|
|
|
/* Endpoint Descriptor (7 bytes) USB spec 9.6.6, page 269-271, Table 9-13 */
|
|
USB_DESC_ENDPOINT(EXTRA_ENDPOINT | 0x80, // bEndpointAddress
|
|
0x03, // bmAttributes (Interrupt)
|
|
EXTRA_EPSIZE, // wMaxPacketSize
|
|
10), // bInterval
|
|
#endif /* EXTRAKEY_ENABLE */
|
|
|
|
#ifdef NKRO_ENABLE
|
|
/* Interface Descriptor (9 bytes) USB spec 9.6.5, page 267-269, Table 9-12 */
|
|
USB_DESC_INTERFACE(NKRO_INTERFACE, // bInterfaceNumber
|
|
0, // bAlternateSetting
|
|
1, // bNumEndpoints
|
|
0x03, // bInterfaceClass: HID
|
|
0x00, // bInterfaceSubClass: None
|
|
0x00, // bInterfaceProtocol: None
|
|
0), // iInterface
|
|
|
|
/* HID descriptor (9 bytes) HID 1.11 spec, section 6.2.1 */
|
|
USB_DESC_BYTE(9), // bLength
|
|
USB_DESC_BYTE(0x21), // bDescriptorType (HID class)
|
|
USB_DESC_BCD(0x0111), // bcdHID: HID version 1.11
|
|
USB_DESC_BYTE(0), // bCountryCode
|
|
USB_DESC_BYTE(1), // bNumDescriptors
|
|
USB_DESC_BYTE(0x22), // bDescriptorType (report desc)
|
|
USB_DESC_WORD(sizeof(nkro_hid_report_desc_data)), // wDescriptorLength
|
|
|
|
/* Endpoint Descriptor (7 bytes) USB spec 9.6.6, page 269-271, Table 9-13 */
|
|
USB_DESC_ENDPOINT(NKRO_ENDPOINT | 0x80, // bEndpointAddress
|
|
0x03, // bmAttributes (Interrupt)
|
|
NKRO_EPSIZE, // wMaxPacketSize
|
|
1), // bInterval
|
|
#endif /* NKRO_ENABLE */
|
|
};
|
|
|
|
/* Configuration Descriptor wrapper */
|
|
static const USBDescriptor hid_configuration_descriptor = {
|
|
sizeof hid_configuration_descriptor_data,
|
|
hid_configuration_descriptor_data
|
|
};
|
|
|
|
/* wrappers */
|
|
#define HID_DESCRIPTOR_SIZE 9
|
|
static const USBDescriptor keyboard_hid_descriptor = {
|
|
HID_DESCRIPTOR_SIZE,
|
|
&hid_configuration_descriptor_data[KBD_HID_DESC_OFFSET]
|
|
};
|
|
#ifdef MOUSE_ENABLE
|
|
static const USBDescriptor mouse_hid_descriptor = {
|
|
HID_DESCRIPTOR_SIZE,
|
|
&hid_configuration_descriptor_data[MOUSE_HID_DESC_OFFSET]
|
|
};
|
|
#endif /* MOUSE_ENABLE */
|
|
#ifdef CONSOLE_ENABLE
|
|
static const USBDescriptor console_hid_descriptor = {
|
|
HID_DESCRIPTOR_SIZE,
|
|
&hid_configuration_descriptor_data[CONSOLE_HID_DESC_OFFSET]
|
|
};
|
|
#endif /* CONSOLE_ENABLE */
|
|
#ifdef EXTRAKEY_ENABLE
|
|
static const USBDescriptor extra_hid_descriptor = {
|
|
HID_DESCRIPTOR_SIZE,
|
|
&hid_configuration_descriptor_data[EXTRA_HID_DESC_OFFSET]
|
|
};
|
|
#endif /* EXTRAKEY_ENABLE */
|
|
#ifdef NKRO_ENABLE
|
|
static const USBDescriptor nkro_hid_descriptor = {
|
|
HID_DESCRIPTOR_SIZE,
|
|
&hid_configuration_descriptor_data[NKRO_HID_DESC_OFFSET]
|
|
};
|
|
#endif /* NKRO_ENABLE */
|
|
|
|
|
|
/* U.S. English language identifier */
|
|
static const uint8_t usb_string_langid[] = {
|
|
USB_DESC_BYTE(4), // bLength
|
|
USB_DESC_BYTE(USB_DESCRIPTOR_STRING), // bDescriptorType
|
|
USB_DESC_WORD(0x0409) // wLANGID (U.S. English)
|
|
};
|
|
|
|
/* ugly ugly hack */
|
|
#define PP_NARG(...) \
|
|
PP_NARG_(__VA_ARGS__,PP_RSEQ_N())
|
|
#define PP_NARG_(...) \
|
|
PP_ARG_N(__VA_ARGS__)
|
|
#define PP_ARG_N( \
|
|
_1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \
|
|
_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
|
|
_21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
|
|
_31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
|
|
_41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \
|
|
_51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \
|
|
_61,_62,_63,N,...) N
|
|
#define PP_RSEQ_N() \
|
|
63,62,61,60, \
|
|
59,58,57,56,55,54,53,52,51,50, \
|
|
49,48,47,46,45,44,43,42,41,40, \
|
|
39,38,37,36,35,34,33,32,31,30, \
|
|
29,28,27,26,25,24,23,22,21,20, \
|
|
19,18,17,16,15,14,13,12,11,10, \
|
|
9,8,7,6,5,4,3,2,1,0
|
|
|
|
/* Vendor string = manufacturer */
|
|
static const uint8_t usb_string_vendor[] = {
|
|
USB_DESC_BYTE(PP_NARG(USBSTR_MANUFACTURER)+2), // bLength
|
|
USB_DESC_BYTE(USB_DESCRIPTOR_STRING), // bDescriptorType
|
|
USBSTR_MANUFACTURER
|
|
};
|
|
|
|
/* Device Description string = product */
|
|
static const uint8_t usb_string_description[] = {
|
|
USB_DESC_BYTE(PP_NARG(USBSTR_PRODUCT)+2), // bLength
|
|
USB_DESC_BYTE(USB_DESCRIPTOR_STRING), // bDescriptorType
|
|
USBSTR_PRODUCT
|
|
};
|
|
|
|
/* Serial Number string (will be filled by the function init_usb_serial_string) */
|
|
static uint8_t usb_string_serial[] = {
|
|
USB_DESC_BYTE(22), // bLength
|
|
USB_DESC_BYTE(USB_DESCRIPTOR_STRING), // bDescriptorType
|
|
'0', 0, 'x', 0, 'D', 0, 'E', 0, 'A', 0, 'D', 0, 'B', 0, 'E', 0, 'E', 0, 'F', 0
|
|
};
|
|
|
|
/* Strings wrappers array */
|
|
static const USBDescriptor usb_strings[] = {
|
|
{ sizeof usb_string_langid, usb_string_langid }
|
|
,
|
|
{ sizeof usb_string_vendor, usb_string_vendor }
|
|
,
|
|
{ sizeof usb_string_description, usb_string_description }
|
|
,
|
|
{ sizeof usb_string_serial, usb_string_serial }
|
|
};
|
|
|
|
/*
|
|
* Handles the GET_DESCRIPTOR callback
|
|
*
|
|
* Returns the proper descriptor
|
|
*/
|
|
static const USBDescriptor *usb_get_descriptor_cb(USBDriver *usbp, uint8_t dtype, uint8_t dindex, uint16_t lang) {
|
|
(void)usbp;
|
|
(void)lang;
|
|
switch(dtype) {
|
|
/* Generic descriptors */
|
|
case USB_DESCRIPTOR_DEVICE: /* Device Descriptor */
|
|
return &usb_device_descriptor;
|
|
|
|
case USB_DESCRIPTOR_CONFIGURATION: /* Configuration Descriptor */
|
|
return &hid_configuration_descriptor;
|
|
|
|
case USB_DESCRIPTOR_STRING: /* Strings */
|
|
if(dindex < 4)
|
|
return &usb_strings[dindex];
|
|
break;
|
|
|
|
/* HID specific descriptors */
|
|
case USB_DESCRIPTOR_HID: /* HID Descriptors */
|
|
switch(lang) { /* yea, poor label, it's actually wIndex from the setup packet */
|
|
case KBD_INTERFACE:
|
|
return &keyboard_hid_descriptor;
|
|
|
|
#ifdef MOUSE_ENABLE
|
|
case MOUSE_INTERFACE:
|
|
return &mouse_hid_descriptor;
|
|
#endif /* MOUSE_ENABLE */
|
|
#ifdef CONSOLE_ENABLE
|
|
case CONSOLE_INTERFACE:
|
|
return &console_hid_descriptor;
|
|
#endif /* CONSOLE_ENABLE */
|
|
#ifdef EXTRAKEY_ENABLE
|
|
case EXTRA_INTERFACE:
|
|
return &extra_hid_descriptor;
|
|
#endif /* EXTRAKEY_ENABLE */
|
|
#ifdef NKRO_ENABLE
|
|
case NKRO_INTERFACE:
|
|
return &nkro_hid_descriptor;
|
|
#endif /* NKRO_ENABLE */
|
|
}
|
|
|
|
case USB_DESCRIPTOR_HID_REPORT: /* HID Report Descriptor */
|
|
switch(lang) {
|
|
case KBD_INTERFACE:
|
|
return &keyboard_hid_report_descriptor;
|
|
|
|
#ifdef MOUSE_ENABLE
|
|
case MOUSE_INTERFACE:
|
|
return &mouse_hid_report_descriptor;
|
|
#endif /* MOUSE_ENABLE */
|
|
#ifdef CONSOLE_ENABLE
|
|
case CONSOLE_INTERFACE:
|
|
return &console_hid_report_descriptor;
|
|
#endif /* CONSOLE_ENABLE */
|
|
#ifdef EXTRAKEY_ENABLE
|
|
case EXTRA_INTERFACE:
|
|
return &extra_hid_report_descriptor;
|
|
#endif /* EXTRAKEY_ENABLE */
|
|
#ifdef NKRO_ENABLE
|
|
case NKRO_INTERFACE:
|
|
return &nkro_hid_report_descriptor;
|
|
#endif /* NKRO_ENABLE */
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* keyboard endpoint state structure */
|
|
static USBInEndpointState kbd_ep_state;
|
|
/* keyboard endpoint initialization structure (IN) */
|
|
static const USBEndpointConfig kbd_ep_config = {
|
|
USB_EP_MODE_TYPE_INTR, /* Interrupt EP */
|
|
NULL, /* SETUP packet notification callback */
|
|
kbd_in_cb, /* IN notification callback */
|
|
NULL, /* OUT notification callback */
|
|
KBD_EPSIZE, /* IN maximum packet size */
|
|
0, /* OUT maximum packet size */
|
|
&kbd_ep_state, /* IN Endpoint state */
|
|
NULL, /* OUT endpoint state */
|
|
2, /* IN multiplier */
|
|
NULL /* SETUP buffer (not a SETUP endpoint) */
|
|
};
|
|
|
|
#ifdef MOUSE_ENABLE
|
|
/* mouse endpoint state structure */
|
|
static USBInEndpointState mouse_ep_state;
|
|
|
|
/* mouse endpoint initialization structure (IN) */
|
|
static const USBEndpointConfig mouse_ep_config = {
|
|
USB_EP_MODE_TYPE_INTR, /* Interrupt EP */
|
|
NULL, /* SETUP packet notification callback */
|
|
mouse_in_cb, /* IN notification callback */
|
|
NULL, /* OUT notification callback */
|
|
MOUSE_EPSIZE, /* IN maximum packet size */
|
|
0, /* OUT maximum packet size */
|
|
&mouse_ep_state, /* IN Endpoint state */
|
|
NULL, /* OUT endpoint state */
|
|
2, /* IN multiplier */
|
|
NULL /* SETUP buffer (not a SETUP endpoint) */
|
|
};
|
|
#endif /* MOUSE_ENABLE */
|
|
|
|
#ifdef CONSOLE_ENABLE
|
|
/* console endpoint state structure */
|
|
static USBInEndpointState console_ep_state;
|
|
|
|
/* console endpoint initialization structure (IN) */
|
|
static const USBEndpointConfig console_ep_config = {
|
|
USB_EP_MODE_TYPE_INTR, /* Interrupt EP */
|
|
NULL, /* SETUP packet notification callback */
|
|
console_in_cb, /* IN notification callback */
|
|
NULL, /* OUT notification callback */
|
|
CONSOLE_EPSIZE, /* IN maximum packet size */
|
|
0, /* OUT maximum packet size */
|
|
&console_ep_state, /* IN Endpoint state */
|
|
NULL, /* OUT endpoint state */
|
|
2, /* IN multiplier */
|
|
NULL /* SETUP buffer (not a SETUP endpoint) */
|
|
};
|
|
#endif /* CONSOLE_ENABLE */
|
|
|
|
#ifdef EXTRAKEY_ENABLE
|
|
/* extrakey endpoint state structure */
|
|
static USBInEndpointState extra_ep_state;
|
|
|
|
/* extrakey endpoint initialization structure (IN) */
|
|
static const USBEndpointConfig extra_ep_config = {
|
|
USB_EP_MODE_TYPE_INTR, /* Interrupt EP */
|
|
NULL, /* SETUP packet notification callback */
|
|
extra_in_cb, /* IN notification callback */
|
|
NULL, /* OUT notification callback */
|
|
EXTRA_EPSIZE, /* IN maximum packet size */
|
|
0, /* OUT maximum packet size */
|
|
&extra_ep_state, /* IN Endpoint state */
|
|
NULL, /* OUT endpoint state */
|
|
2, /* IN multiplier */
|
|
NULL /* SETUP buffer (not a SETUP endpoint) */
|
|
};
|
|
#endif /* EXTRAKEY_ENABLE */
|
|
|
|
#ifdef NKRO_ENABLE
|
|
/* nkro endpoint state structure */
|
|
static USBInEndpointState nkro_ep_state;
|
|
|
|
/* nkro endpoint initialization structure (IN) */
|
|
static const USBEndpointConfig nkro_ep_config = {
|
|
USB_EP_MODE_TYPE_INTR, /* Interrupt EP */
|
|
NULL, /* SETUP packet notification callback */
|
|
nkro_in_cb, /* IN notification callback */
|
|
NULL, /* OUT notification callback */
|
|
NKRO_EPSIZE, /* IN maximum packet size */
|
|
0, /* OUT maximum packet size */
|
|
&nkro_ep_state, /* IN Endpoint state */
|
|
NULL, /* OUT endpoint state */
|
|
2, /* IN multiplier */
|
|
NULL /* SETUP buffer (not a SETUP endpoint) */
|
|
};
|
|
#endif /* NKRO_ENABLE */
|
|
|
|
/* ---------------------------------------------------------
|
|
* USB driver functions
|
|
* ---------------------------------------------------------
|
|
*/
|
|
|
|
/* Handles the USB driver global events
|
|
* TODO: maybe disable some things when connection is lost? */
|
|
static void usb_event_cb(USBDriver *usbp, usbevent_t event) {
|
|
switch(event) {
|
|
case USB_EVENT_RESET:
|
|
//TODO: from ISR! print("[R]");
|
|
return;
|
|
|
|
case USB_EVENT_ADDRESS:
|
|
return;
|
|
|
|
case USB_EVENT_CONFIGURED:
|
|
osalSysLockFromISR();
|
|
/* Enable the endpoints specified into the configuration. */
|
|
usbInitEndpointI(usbp, KBD_ENDPOINT, &kbd_ep_config);
|
|
#ifdef MOUSE_ENABLE
|
|
usbInitEndpointI(usbp, MOUSE_ENDPOINT, &mouse_ep_config);
|
|
#endif /* MOUSE_ENABLE */
|
|
#ifdef CONSOLE_ENABLE
|
|
usbInitEndpointI(usbp, CONSOLE_ENDPOINT, &console_ep_config);
|
|
/* don't need to start the flush timer, it starts from console_in_cb automatically */
|
|
#endif /* CONSOLE_ENABLE */
|
|
#ifdef EXTRAKEY_ENABLE
|
|
usbInitEndpointI(usbp, EXTRA_ENDPOINT, &extra_ep_config);
|
|
#endif /* EXTRAKEY_ENABLE */
|
|
#ifdef NKRO_ENABLE
|
|
usbInitEndpointI(usbp, NKRO_ENDPOINT, &nkro_ep_config);
|
|
#endif /* NKRO_ENABLE */
|
|
osalSysUnlockFromISR();
|
|
return;
|
|
|
|
case USB_EVENT_SUSPEND:
|
|
//TODO: from ISR! print("[S]");
|
|
#ifdef SLEEP_LED_ENABLE
|
|
sleep_led_enable();
|
|
#endif /* SLEEP_LED_ENABLE */
|
|
return;
|
|
|
|
case USB_EVENT_WAKEUP:
|
|
//TODO: from ISR! print("[W]");
|
|
suspend_wakeup_init();
|
|
#ifdef SLEEP_LED_ENABLE
|
|
sleep_led_disable();
|
|
// NOTE: converters may not accept this
|
|
led_set(host_keyboard_leds());
|
|
#endif /* SLEEP_LED_ENABLE */
|
|
return;
|
|
|
|
case USB_EVENT_STALLED:
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Function used locally in os/hal/src/usb.c for getting descriptors
|
|
* need it here for HID descriptor */
|
|
static uint16_t get_hword(uint8_t *p) {
|
|
uint16_t hw;
|
|
|
|
hw = (uint16_t)*p++;
|
|
hw |= (uint16_t)*p << 8U;
|
|
return hw;
|
|
}
|
|
|
|
/*
|
|
* Appendix G: HID Request Support Requirements
|
|
*
|
|
* The following table enumerates the requests that need to be supported by various types of HID class devices.
|
|
* Device type GetReport SetReport GetIdle SetIdle GetProtocol SetProtocol
|
|
* ------------------------------------------------------------------------------------------
|
|
* Boot Mouse Required Optional Optional Optional Required Required
|
|
* Non-Boot Mouse Required Optional Optional Optional Optional Optional
|
|
* Boot Keyboard Required Optional Required Required Required Required
|
|
* Non-Boot Keybrd Required Optional Required Required Optional Optional
|
|
* Other Device Required Optional Optional Optional Optional Optional
|
|
*/
|
|
|
|
/* Callback for SETUP request on the endpoint 0 (control) */
|
|
static bool usb_request_hook_cb(USBDriver *usbp) {
|
|
const USBDescriptor *dp;
|
|
|
|
/* usbp->setup fields:
|
|
* 0: bmRequestType (bitmask)
|
|
* 1: bRequest
|
|
* 2,3: (LSB,MSB) wValue
|
|
* 4,5: (LSB,MSB) wIndex
|
|
* 6,7: (LSB,MSB) wLength (number of bytes to transfer if there is a data phase) */
|
|
|
|
/* Handle HID class specific requests */
|
|
if(((usbp->setup[0] & USB_RTYPE_TYPE_MASK) == USB_RTYPE_TYPE_CLASS) &&
|
|
((usbp->setup[0] & USB_RTYPE_RECIPIENT_MASK) == USB_RTYPE_RECIPIENT_INTERFACE)) {
|
|
switch(usbp->setup[0] & USB_RTYPE_DIR_MASK) {
|
|
case USB_RTYPE_DIR_DEV2HOST:
|
|
switch(usbp->setup[1]) { /* bRequest */
|
|
case HID_GET_REPORT:
|
|
switch(usbp->setup[4]) { /* LSB(wIndex) (check MSB==0?) */
|
|
case KBD_INTERFACE:
|
|
#ifdef NKRO_ENABLE
|
|
case NKRO_INTERFACE:
|
|
#endif /* NKRO_ENABLE */
|
|
usbSetupTransfer(usbp, (uint8_t *)&keyboard_report_sent, sizeof(keyboard_report_sent), NULL);
|
|
return TRUE;
|
|
break;
|
|
|
|
#ifdef MOUSE_ENABLE
|
|
case MOUSE_INTERFACE:
|
|
usbSetupTransfer(usbp, (uint8_t *)&mouse_report_blank, sizeof(mouse_report_blank), NULL);
|
|
return TRUE;
|
|
break;
|
|
#endif /* MOUSE_ENABLE */
|
|
|
|
#ifdef CONSOLE_ENABLE
|
|
case CONSOLE_INTERFACE:
|
|
usbSetupTransfer(usbp, console_queue_buffer, CONSOLE_EPSIZE, NULL);
|
|
return TRUE;
|
|
break;
|
|
#endif /* CONSOLE_ENABLE */
|
|
|
|
#ifdef EXTRAKEY_ENABLE
|
|
case EXTRA_INTERFACE:
|
|
if(usbp->setup[3] == 1) { /* MSB(wValue) [Report Type] == 1 [Input Report] */
|
|
switch(usbp->setup[2]) { /* LSB(wValue) [Report ID] */
|
|
case REPORT_ID_SYSTEM:
|
|
extra_report_blank[0] = REPORT_ID_SYSTEM;
|
|
usbSetupTransfer(usbp, (uint8_t *)extra_report_blank, sizeof(extra_report_blank), NULL);
|
|
return TRUE;
|
|
break;
|
|
case REPORT_ID_CONSUMER:
|
|
extra_report_blank[0] = REPORT_ID_CONSUMER;
|
|
usbSetupTransfer(usbp, (uint8_t *)extra_report_blank, sizeof(extra_report_blank), NULL);
|
|
return TRUE;
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
break;
|
|
#endif /* EXTRAKEY_ENABLE */
|
|
|
|
default:
|
|
usbSetupTransfer(usbp, NULL, 0, NULL);
|
|
return TRUE;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case HID_GET_PROTOCOL:
|
|
if((usbp->setup[4] == KBD_INTERFACE) && (usbp->setup[5] == 0)) { /* wIndex */
|
|
usbSetupTransfer(usbp, &keyboard_protocol, 1, NULL);
|
|
return TRUE;
|
|
}
|
|
break;
|
|
|
|
case HID_GET_IDLE:
|
|
usbSetupTransfer(usbp, &keyboard_idle, 1, NULL);
|
|
return TRUE;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case USB_RTYPE_DIR_HOST2DEV:
|
|
switch(usbp->setup[1]) { /* bRequest */
|
|
case HID_SET_REPORT:
|
|
switch(usbp->setup[4]) { /* LSB(wIndex) (check MSB==0 and wLength==1?) */
|
|
case KBD_INTERFACE:
|
|
#ifdef NKRO_ENABLE
|
|
case NKRO_INTERFACE:
|
|
#endif /* NKRO_ENABLE */
|
|
/* keyboard_led_stats = <read byte from next OUT report>
|
|
* keyboard_led_stats needs be word (or dword), otherwise we get an exception on F0 */
|
|
usbSetupTransfer(usbp, (uint8_t *)&keyboard_led_stats, 1, NULL);
|
|
return TRUE;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case HID_SET_PROTOCOL:
|
|
if((usbp->setup[4] == KBD_INTERFACE) && (usbp->setup[5] == 0)) { /* wIndex */
|
|
keyboard_protocol = ((usbp->setup[2]) != 0x00); /* LSB(wValue) */
|
|
#ifdef NKRO_ENABLE
|
|
keymap_config.nkro = !!keyboard_protocol;
|
|
if(!keymap_config.nkro && keyboard_idle) {
|
|
#else /* NKRO_ENABLE */
|
|
if(keyboard_idle) {
|
|
#endif /* NKRO_ENABLE */
|
|
/* arm the idle timer if boot protocol & idle */
|
|
osalSysLockFromISR();
|
|
chVTSetI(&keyboard_idle_timer, 4*MS2ST(keyboard_idle), keyboard_idle_timer_cb, (void *)usbp);
|
|
osalSysUnlockFromISR();
|
|
}
|
|
}
|
|
usbSetupTransfer(usbp, NULL, 0, NULL);
|
|
return TRUE;
|
|
break;
|
|
|
|
case HID_SET_IDLE:
|
|
keyboard_idle = usbp->setup[3]; /* MSB(wValue) */
|
|
/* arm the timer */
|
|
#ifdef NKRO_ENABLE
|
|
if(!keymap_config.nkro && keyboard_idle) {
|
|
#else /* NKRO_ENABLE */
|
|
if(keyboard_idle) {
|
|
#endif /* NKRO_ENABLE */
|
|
osalSysLockFromISR();
|
|
chVTSetI(&keyboard_idle_timer, 4*MS2ST(keyboard_idle), keyboard_idle_timer_cb, (void *)usbp);
|
|
osalSysUnlockFromISR();
|
|
}
|
|
usbSetupTransfer(usbp, NULL, 0, NULL);
|
|
return TRUE;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Handle the Get_Descriptor Request for HID class (not handled by the default hook) */
|
|
if((usbp->setup[0] == 0x81) && (usbp->setup[1] == USB_REQ_GET_DESCRIPTOR)) {
|
|
dp = usbp->config->get_descriptor_cb(usbp, usbp->setup[3], usbp->setup[2], get_hword(&usbp->setup[4]));
|
|
if(dp == NULL)
|
|
return FALSE;
|
|
usbSetupTransfer(usbp, (uint8_t *)dp->ud_string, dp->ud_size, NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/* Start-of-frame callback */
|
|
static void usb_sof_cb(USBDriver *usbp) {
|
|
kbd_sof_cb(usbp);
|
|
}
|
|
|
|
|
|
/* USB driver configuration */
|
|
static const USBConfig usbcfg = {
|
|
usb_event_cb, /* USB events callback */
|
|
usb_get_descriptor_cb, /* Device GET_DESCRIPTOR request callback */
|
|
usb_request_hook_cb, /* Requests hook callback */
|
|
usb_sof_cb /* Start Of Frame callback */
|
|
};
|
|
|
|
/*
|
|
* Initialize the USB driver
|
|
*/
|
|
void init_usb_driver(USBDriver *usbp) {
|
|
/*
|
|
* Activates the USB driver and then the USB bus pull-up on D+.
|
|
* Note, a delay is inserted in order to not have to disconnect the cable
|
|
* after a reset.
|
|
*/
|
|
usbDisconnectBus(usbp);
|
|
wait_ms(1500);
|
|
usbStart(usbp, &usbcfg);
|
|
usbConnectBus(usbp);
|
|
|
|
chVTObjectInit(&keyboard_idle_timer);
|
|
#ifdef CONSOLE_ENABLE
|
|
obqObjectInit(&console_buf_queue, console_queue_buffer, CONSOLE_EPSIZE, CONSOLE_QUEUE_CAPACITY, console_queue_onotify, (void*)usbp);
|
|
chVTObjectInit(&console_flush_timer);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Send remote wakeup packet
|
|
* Note: should not be called from ISR
|
|
*/
|
|
void send_remote_wakeup(USBDriver *usbp) {
|
|
(void)usbp;
|
|
#if defined(K20x) || defined(KL2x)
|
|
#if KINETIS_USB_USE_USB0
|
|
USB0->CTL |= USBx_CTL_RESUME;
|
|
wait_ms(15);
|
|
USB0->CTL &= ~USBx_CTL_RESUME;
|
|
#endif /* KINETIS_USB_USE_USB0 */
|
|
#elif defined(STM32F0XX) || defined(STM32F1XX) || defined(STM32F3XX) /* End K20x || KL2x */
|
|
STM32_USB->CNTR |= CNTR_RESUME;
|
|
wait_ms(15);
|
|
STM32_USB->CNTR &= ~CNTR_RESUME;
|
|
#else /* End STM32F0XX || STM32F1XX || STM32F3XX */
|
|
#warning Sending remote wakeup packet not implemented for your platform.
|
|
#endif
|
|
}
|
|
|
|
/* ---------------------------------------------------------
|
|
* Keyboard functions
|
|
* ---------------------------------------------------------
|
|
*/
|
|
|
|
/* keyboard IN callback hander (a kbd report has made it IN) */
|
|
void kbd_in_cb(USBDriver *usbp, usbep_t ep) {
|
|
/* STUB */
|
|
(void)usbp;
|
|
(void)ep;
|
|
}
|
|
|
|
#ifdef NKRO_ENABLE
|
|
/* nkro IN callback hander (a nkro report has made it IN) */
|
|
void nkro_in_cb(USBDriver *usbp, usbep_t ep) {
|
|
/* STUB */
|
|
(void)usbp;
|
|
(void)ep;
|
|
}
|
|
#endif /* NKRO_ENABLE */
|
|
|
|
/* start-of-frame handler
|
|
* TODO: i guess it would be better to re-implement using timers,
|
|
* so that this is not going to have to be checked every 1ms */
|
|
void kbd_sof_cb(USBDriver *usbp) {
|
|
(void)usbp;
|
|
}
|
|
|
|
/* Idle requests timer code
|
|
* callback (called from ISR, unlocked state) */
|
|
static void keyboard_idle_timer_cb(void *arg) {
|
|
USBDriver *usbp = (USBDriver *)arg;
|
|
|
|
osalSysLockFromISR();
|
|
|
|
/* check that the states of things are as they're supposed to */
|
|
if(usbGetDriverStateI(usbp) != USB_ACTIVE) {
|
|
/* do not rearm the timer, should be enabled on IDLE request */
|
|
osalSysUnlockFromISR();
|
|
return;
|
|
}
|
|
|
|
#ifdef NKRO_ENABLE
|
|
if(!keymap_config.nkro && keyboard_idle) {
|
|
#else /* NKRO_ENABLE */
|
|
if(keyboard_idle) {
|
|
#endif /* NKRO_ENABLE */
|
|
/* TODO: are we sure we want the KBD_ENDPOINT? */
|
|
if(!usbGetTransmitStatusI(usbp, KBD_ENDPOINT)) {
|
|
usbStartTransmitI(usbp, KBD_ENDPOINT, (uint8_t *)&keyboard_report_sent, KBD_EPSIZE);
|
|
}
|
|
/* rearm the timer */
|
|
chVTSetI(&keyboard_idle_timer, 4*MS2ST(keyboard_idle), keyboard_idle_timer_cb, (void *)usbp);
|
|
}
|
|
|
|
/* do not rearm the timer if the condition above fails
|
|
* it should be enabled again on either IDLE or SET_PROTOCOL requests */
|
|
osalSysUnlockFromISR();
|
|
}
|
|
|
|
/* LED status */
|
|
uint8_t keyboard_leds(void) {
|
|
return (uint8_t)(keyboard_led_stats & 0xFF);
|
|
}
|
|
|
|
/* prepare and start sending a report IN
|
|
* not callable from ISR or locked state */
|
|
void send_keyboard(report_keyboard_t *report) {
|
|
osalSysLock();
|
|
if(usbGetDriverStateI(&USB_DRIVER) != USB_ACTIVE) {
|
|
osalSysUnlock();
|
|
return;
|
|
}
|
|
osalSysUnlock();
|
|
|
|
#ifdef NKRO_ENABLE
|
|
if(keymap_config.nkro) { /* NKRO protocol */
|
|
/* need to wait until the previous packet has made it through */
|
|
/* can rewrite this using the synchronous API, then would wait
|
|
* until *after* the packet has been transmitted. I think
|
|
* this is more efficient */
|
|
/* busy wait, should be short and not very common */
|
|
osalSysLock();
|
|
if(usbGetTransmitStatusI(&USB_DRIVER, NKRO_ENDPOINT)) {
|
|
/* Need to either suspend, or loop and call unlock/lock during
|
|
* every iteration - otherwise the system will remain locked,
|
|
* no interrupts served, so USB not going through as well.
|
|
* Note: for suspend, need USB_USE_WAIT == TRUE in halconf.h */
|
|
osalThreadSuspendS(&(&USB_DRIVER)->epc[NKRO_ENDPOINT]->in_state->thread);
|
|
}
|
|
usbStartTransmitI(&USB_DRIVER, NKRO_ENDPOINT, (uint8_t *)report, sizeof(report_keyboard_t));
|
|
osalSysUnlock();
|
|
} else
|
|
#endif /* NKRO_ENABLE */
|
|
{ /* boot protocol */
|
|
/* need to wait until the previous packet has made it through */
|
|
/* busy wait, should be short and not very common */
|
|
osalSysLock();
|
|
if(usbGetTransmitStatusI(&USB_DRIVER, KBD_ENDPOINT)) {
|
|
/* Need to either suspend, or loop and call unlock/lock during
|
|
* every iteration - otherwise the system will remain locked,
|
|
* no interrupts served, so USB not going through as well.
|
|
* Note: for suspend, need USB_USE_WAIT == TRUE in halconf.h */
|
|
osalThreadSuspendS(&(&USB_DRIVER)->epc[KBD_ENDPOINT]->in_state->thread);
|
|
}
|
|
usbStartTransmitI(&USB_DRIVER, KBD_ENDPOINT, (uint8_t *)report, KBD_EPSIZE);
|
|
osalSysUnlock();
|
|
}
|
|
keyboard_report_sent = *report;
|
|
}
|
|
|
|
/* ---------------------------------------------------------
|
|
* Mouse functions
|
|
* ---------------------------------------------------------
|
|
*/
|
|
|
|
#ifdef MOUSE_ENABLE
|
|
|
|
/* mouse IN callback hander (a mouse report has made it IN) */
|
|
void mouse_in_cb(USBDriver *usbp, usbep_t ep) {
|
|
(void)usbp;
|
|
(void)ep;
|
|
}
|
|
|
|
void send_mouse(report_mouse_t *report) {
|
|
osalSysLock();
|
|
if(usbGetDriverStateI(&USB_DRIVER) != USB_ACTIVE) {
|
|
osalSysUnlock();
|
|
return;
|
|
}
|
|
osalSysUnlock();
|
|
|
|
/* TODO: LUFA manually waits for the endpoint to become ready
|
|
* for about 10ms for mouse, kbd, system; 1ms for nkro
|
|
* is this really needed?
|
|
*/
|
|
|
|
osalSysLock();
|
|
usbStartTransmitI(&USB_DRIVER, MOUSE_ENDPOINT, (uint8_t *)report, sizeof(report_mouse_t));
|
|
osalSysUnlock();
|
|
}
|
|
|
|
#else /* MOUSE_ENABLE */
|
|
void send_mouse(report_mouse_t *report) {
|
|
(void)report;
|
|
}
|
|
#endif /* MOUSE_ENABLE */
|
|
|
|
/* ---------------------------------------------------------
|
|
* Extrakey functions
|
|
* ---------------------------------------------------------
|
|
*/
|
|
|
|
#ifdef EXTRAKEY_ENABLE
|
|
|
|
/* extrakey IN callback hander */
|
|
void extra_in_cb(USBDriver *usbp, usbep_t ep) {
|
|
/* STUB */
|
|
(void)usbp;
|
|
(void)ep;
|
|
}
|
|
|
|
static void send_extra_report(uint8_t report_id, uint16_t data) {
|
|
osalSysLock();
|
|
if(usbGetDriverStateI(&USB_DRIVER) != USB_ACTIVE) {
|
|
osalSysUnlock();
|
|
return;
|
|
}
|
|
|
|
report_extra_t report = {
|
|
.report_id = report_id,
|
|
.usage = data
|
|
};
|
|
|
|
usbStartTransmitI(&USB_DRIVER, EXTRA_ENDPOINT, (uint8_t *)&report, sizeof(report_extra_t));
|
|
osalSysUnlock();
|
|
}
|
|
|
|
void send_system(uint16_t data) {
|
|
send_extra_report(REPORT_ID_SYSTEM, data);
|
|
}
|
|
|
|
void send_consumer(uint16_t data) {
|
|
send_extra_report(REPORT_ID_CONSUMER, data);
|
|
}
|
|
|
|
#else /* EXTRAKEY_ENABLE */
|
|
void send_system(uint16_t data) {
|
|
(void)data;
|
|
}
|
|
void send_consumer(uint16_t data) {
|
|
(void)data;
|
|
}
|
|
#endif /* EXTRAKEY_ENABLE */
|
|
|
|
/* ---------------------------------------------------------
|
|
* Console functions
|
|
* ---------------------------------------------------------
|
|
*/
|
|
|
|
#ifdef CONSOLE_ENABLE
|
|
|
|
/* console IN callback hander */
|
|
void console_in_cb(USBDriver *usbp, usbep_t ep) {
|
|
(void)ep; /* should have ep == CONSOLE_ENDPOINT, so use that to save time/space */
|
|
uint8_t *buf;
|
|
size_t n;
|
|
|
|
osalSysLockFromISR();
|
|
|
|
/* rearm the timer */
|
|
chVTSetI(&console_flush_timer, MS2ST(CONSOLE_FLUSH_MS), console_flush_cb, (void *)usbp);
|
|
|
|
/* Freeing the buffer just transmitted, if it was not a zero size packet.*/
|
|
if (usbp->epc[CONSOLE_ENDPOINT]->in_state->txsize > 0U) {
|
|
obqReleaseEmptyBufferI(&console_buf_queue);
|
|
}
|
|
|
|
/* Checking if there is a buffer ready for transmission.*/
|
|
buf = obqGetFullBufferI(&console_buf_queue, &n);
|
|
|
|
if (buf != NULL) {
|
|
/* The endpoint cannot be busy, we are in the context of the callback,
|
|
so it is safe to transmit without a check.*/
|
|
/* Should have n == CONSOLE_EPSIZE; check it? */
|
|
usbStartTransmitI(usbp, CONSOLE_ENDPOINT, buf, CONSOLE_EPSIZE);
|
|
} else {
|
|
/* Nothing to transmit.*/
|
|
}
|
|
|
|
osalSysUnlockFromISR();
|
|
}
|
|
|
|
/* Callback when data is inserted into the output queue
|
|
* Called from a locked state */
|
|
void console_queue_onotify(io_buffers_queue_t *bqp) {
|
|
size_t n;
|
|
USBDriver *usbp = bqGetLinkX(bqp);
|
|
|
|
if(usbGetDriverStateI(usbp) != USB_ACTIVE)
|
|
return;
|
|
|
|
/* Checking if there is already a transaction ongoing on the endpoint.*/
|
|
if (!usbGetTransmitStatusI(usbp, CONSOLE_ENDPOINT)) {
|
|
/* Trying to get a full buffer.*/
|
|
uint8_t *buf = obqGetFullBufferI(&console_buf_queue, &n);
|
|
if (buf != NULL) {
|
|
/* Buffer found, starting a new transaction.*/
|
|
/* Should have n == CONSOLE_EPSIZE; check this? */
|
|
usbStartTransmitI(usbp, CONSOLE_ENDPOINT, buf, CONSOLE_EPSIZE);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Flush timer code
|
|
* callback (called from ISR, unlocked state) */
|
|
static void console_flush_cb(void *arg) {
|
|
USBDriver *usbp = (USBDriver *)arg;
|
|
osalSysLockFromISR();
|
|
|
|
/* check that the states of things are as they're supposed to */
|
|
if(usbGetDriverStateI(usbp) != USB_ACTIVE) {
|
|
/* rearm the timer */
|
|
chVTSetI(&console_flush_timer, MS2ST(CONSOLE_FLUSH_MS), console_flush_cb, (void *)usbp);
|
|
osalSysUnlockFromISR();
|
|
return;
|
|
}
|
|
|
|
/* If there is already a transaction ongoing then another one cannot be
|
|
started.*/
|
|
if (usbGetTransmitStatusI(usbp, CONSOLE_ENDPOINT)) {
|
|
/* rearm the timer */
|
|
chVTSetI(&console_flush_timer, MS2ST(CONSOLE_FLUSH_MS), console_flush_cb, (void *)usbp);
|
|
osalSysUnlockFromISR();
|
|
return;
|
|
}
|
|
|
|
/* Checking if there only a buffer partially filled, if so then it is
|
|
enforced in the queue and transmitted.*/
|
|
if(obqTryFlushI(&console_buf_queue)) {
|
|
size_t n,i;
|
|
uint8_t *buf = obqGetFullBufferI(&console_buf_queue, &n);
|
|
|
|
osalDbgAssert(buf != NULL, "queue is empty");
|
|
|
|
/* zero the rest of the buffer (buf should point to allocated space) */
|
|
for(i=n; i<CONSOLE_EPSIZE; i++)
|
|
buf[i]=0;
|
|
usbStartTransmitI(usbp, CONSOLE_ENDPOINT, buf, CONSOLE_EPSIZE);
|
|
}
|
|
|
|
/* rearm the timer */
|
|
chVTSetI(&console_flush_timer, MS2ST(CONSOLE_FLUSH_MS), console_flush_cb, (void *)usbp);
|
|
osalSysUnlockFromISR();
|
|
}
|
|
|
|
|
|
int8_t sendchar(uint8_t c) {
|
|
osalSysLock();
|
|
if(usbGetDriverStateI(&USB_DRIVER) != USB_ACTIVE) {
|
|
osalSysUnlock();
|
|
return 0;
|
|
}
|
|
osalSysUnlock();
|
|
/* Timeout after 100us if the queue is full.
|
|
* Increase this timeout if too much stuff is getting
|
|
* dropped (i.e. the buffer is getting full too fast
|
|
* for USB/HIDRAW to dequeue). Another possibility
|
|
* for fixing this kind of thing is to increase
|
|
* CONSOLE_QUEUE_CAPACITY. */
|
|
return(obqPutTimeout(&console_buf_queue, c, US2ST(100)));
|
|
}
|
|
|
|
#else /* CONSOLE_ENABLE */
|
|
int8_t sendchar(uint8_t c) {
|
|
(void)c;
|
|
return 0;
|
|
}
|
|
#endif /* CONSOLE_ENABLE */
|
|
|
|
void sendchar_pf(void *p, char c) {
|
|
(void)p;
|
|
sendchar((uint8_t)c);
|
|
}
|