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tmk_keyboard/protocol/chibios/usb_main.c

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Squashed 'tmk_core/' changes from 57d27a8..08ce4c3 08ce4c3 Add update for chibios in README 30cac1d Merge remote-tracking branch 'flabbergast-tmk_keyboard/chibios' f218a38 core: Remove unused warning. Fix tmk_keyboard/#293 3e68807 Chibios: add more guards for transmitting (fix a deadlock bug). cecc807 core: Speed up compilation d01d959 Merge remote-tracking branch 'upstream/master' into chibios 8ff12ae Merge pull request #230 from jerryen/master 3afb83d core: Add note about sudo and git 2525d5d Chibios: Update to new USB API. 2fc5cd6 Merge branch 'master' into chibios 6f5511a core: Fix variable initialize 02a15fa core: Fix variable init and header include 1833ca1 Merge pull request #292 from obones/command_warning bc9dc6f Merge pull request #294 from shayneholmes/fix-debug-message c1b891b Merge pull request #295 from doopai/master 1da837c core: Add macro commands SM(), RM() and CM() d9d5a93 Add support for storing, restoring and clearing modifiers in macros 4f371c0 core: Add dfu-programmer example to doc/build.md ba3792e core: Fix doc/build.md 4b99fed remove SERIAL_SOFT_DEBUG macro 984accb Fix typo in bootmagic debug message 67a7ea1 usb_usb: Fix for keymap editor 2fc9ae4 host_driver is only used if KEYBOARD_LOCK_ENABLE is defined a35cdea Chibios: add 'core/protocol' to the makefiles' search path. 5ed2fd6 Merge remote-tracking branch 'upstream/master' into chibios bbc4851 Do timeout when writing to CONSOLE EP queue. 2450559 Remove an errant comma trailing the KC_ERAS macro alias 8465747 Merge pull request #270 from jeffgran/single-tap-toggle a37339a Merge pull request #271 from jeffgran/default-layer-toggle 8e732f7 core: Update doc/build.md and remove other_projects.md e47dc15 Workaround for compiler warnings when console disabled. 4184c52 Add maple mini code. b555238 core: Fix rules.mk for dfu target 26dacf4 add ACTION_DEFAULT_LAYER_TOGGLE to toggle a default layer on/off 83607d9 enable TAPPING_TOGGLE=1 to work correctly bef3089 Merge branch 'master' into chibios f7a55fd core: Fix debug print of usb_hid 1402f7d core: Add keycode KC_JPY for JIS 8e3a460 Chibios: Remove the wait in the main loop. 7d41746 ChibiOS: prettify/document sleep_led code. 235cdee ChibiOS: Update infinity bootloader code to match updated ChibiOS. 807bf1e Chibios: Add breathing sleep LED on Kinetis MCUs. ba3bf7c ChibiOS: make reset request more CMSISy. bf2ffd4 Add correct chibios/bootloader_jump for infinity KB. f5e03fd Chibios/usb_main: rename a variable for clarity. 63a330c Fix drop key stroke d8f5b06 Fix report size of boot protocol. 38abb50 ChibiOS/STM32: send remote wakeup. 6725650 ChibiOS/kinetis: sending remote wakeup. 69f6e54 Chibios: use WFI in idle. WIP suspend stuff. 02f044b Move chibios/cortex selection to local Makefiles. fa59dfa Rename chibios example keyboard. 5c060de Add eeprom support for chibios/kinetis. efd0044 Move declaration of keymap_config. 7196b24 Make bootmagic.c code portable (_delay_ms -> wait_ms). 37b15b2 Add missing #include to keymap.c. 31316e3 Merge branch 'master' into chibios 166f312 Fix chibios/usb_main GET_REPORT handing. 57ac6c2 Add ARM Teensies bootloader code. 1758086 Move STM32 bootloader address config to separate .h file. 03bb026 Rename some Makefile defines. 76ba6ac NKRO fixes. 06498f8 Update chibios README. db0a4f5 Add basic sleep_led for chibios. c3f930e Move AVR specific sleep_led.c into avr. 4069494 Fix bootloader-jump compiling. 9117f7b Small updates. 269cb85 Implement jump-to-bootloader. 7e81b34 Move chibios to tool. 923a892 Make usb_main more USB_DRIVER #define independent. aa054f0 Add ChibiOS support (USB stack + support files). 1e3e282 Modularity and gcc warnings fixes. 2f60ce0 Add KEYBOARD_LOCK_ENABLE to makefile git-subtree-dir: tmk_core git-subtree-split: 08ce4c3021d2ecd446c5b9a137aded65423d241e
2016-02-11 03:21:21 +00:00
/*
* (c) 2015 flabberast <s3+flabbergast@sdfeu.org>
*
* Based on the following work:
* - Guillaume Duc's raw hid example (MIT License)
* https://github.com/guiduc/usb-hid-chibios-example
* - PJRC Teensy examples (MIT License)
* https://www.pjrc.com/teensy/usb_keyboard.html
* - hasu's TMK keyboard code (GPL v2 and some code Modified BSD)
* https://github.com/tmk/tmk_keyboard/
* - ChibiOS demo code (Apache 2.0 License)
* http://www.chibios.org
*
* Since some GPL'd code is used, this work is licensed under
* GPL v2 or later.
*/
#include "ch.h"
#include "hal.h"
#include "usb_main.h"
#include "host.h"
#include "debug.h"
#include "suspend.h"
#ifdef SLEEP_LED_ENABLE
#include "sleep_led.h"
#include "led.h"
#endif
/* ---------------------------------------------------------
* Global interface variables and declarations
* ---------------------------------------------------------
*/
uint8_t keyboard_idle = 0;
uint8_t keyboard_protocol = 1;
uint16_t keyboard_led_stats = 0;
volatile uint16_t keyboard_idle_count = 0;
static virtual_timer_t keyboard_idle_timer;
static void keyboard_idle_timer_cb(void *arg);
#ifdef NKRO_ENABLE
extern bool keyboard_nkro;
#endif /* NKRO_ENABLE */
report_keyboard_t keyboard_report_sent = {{0}};
#ifdef MOUSE_ENABLE
report_mouse_t mouse_report_blank = {0};
#endif /* MOUSE_ENABLE */
#ifdef EXTRAKEY_ENABLE
uint8_t extra_report_blank[3] = {0};
#endif /* EXTRAKEY_ENABLE */
#ifdef CONSOLE_ENABLE
/* The emission buffers queue */
output_buffers_queue_t console_buf_queue;
static uint8_t console_queue_buffer[BQ_BUFFER_SIZE(CONSOLE_QUEUE_CAPACITY, CONSOLE_EPSIZE)];
static virtual_timer_t console_flush_timer;
void console_queue_onotify(io_buffers_queue_t *bqp);
static void console_flush_cb(void *arg);
#endif /* CONSOLE_ENABLE */
/* ---------------------------------------------------------
* Descriptors and USB driver objects
* ---------------------------------------------------------
*/
/* HID specific constants */
#define USB_DESCRIPTOR_HID 0x21
#define USB_DESCRIPTOR_HID_REPORT 0x22
#define HID_GET_REPORT 0x01
#define HID_GET_IDLE 0x02
#define HID_GET_PROTOCOL 0x03
#define HID_SET_REPORT 0x09
#define HID_SET_IDLE 0x0A
#define HID_SET_PROTOCOL 0x0B
/* USB Device Descriptor */
static const uint8_t usb_device_descriptor_data[] = {
USB_DESC_DEVICE(0x0200, // bcdUSB (1.1)
0, // bDeviceClass (defined in later in interface)
0, // bDeviceSubClass
0, // bDeviceProtocol
64, // bMaxPacketSize (64 bytes) (the driver didn't work with 32)
VENDOR_ID, // idVendor
PRODUCT_ID, // idProduct
DEVICE_VER, // bcdDevice
1, // iManufacturer
2, // iProduct
3, // iSerialNumber
1) // bNumConfigurations
};
/* Device Descriptor wrapper */
static const USBDescriptor usb_device_descriptor = {
sizeof usb_device_descriptor_data,
usb_device_descriptor_data
};
/*
* HID Report Descriptor
*
* See "Device Class Definition for Human Interface Devices (HID)"
* (http://www.usb.org/developers/hidpage/HID1_11.pdf) for the
* detailed descrition of all the fields
*/
/* Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60 */
static const uint8_t keyboard_hid_report_desc_data[] = {
0x05, 0x01, // Usage Page (Generic Desktop),
0x09, 0x06, // Usage (Keyboard),
0xA1, 0x01, // Collection (Application),
0x75, 0x01, // Report Size (1),
0x95, 0x08, // Report Count (8),
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),
0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
0x95, 0x01, // Report Count (1),
0x75, 0x08, // Report Size (8),
0x81, 0x03, // Input (Constant), ;Reserved byte
0x95, 0x05, // Report Count (5),
0x75, 0x01, // Report Size (1),
0x05, 0x08, // Usage Page (LEDs),
0x19, 0x01, // Usage Minimum (1),
0x29, 0x05, // Usage Maximum (5),
0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
0x95, 0x01, // Report Count (1),
0x75, 0x03, // Report Size (3),
0x91, 0x03, // Output (Constant), ;LED report padding
0x95, KBD_REPORT_KEYS, // Report Count (),
0x75, 0x08, // Report Size (8),
0x15, 0x00, // Logical Minimum (0),
0x25, 0xFF, // Logical Maximum(255),
0x05, 0x07, // Usage Page (Key Codes),
0x19, 0x00, // Usage Minimum (0),
0x29, 0xFF, // Usage Maximum (255),
0x81, 0x00, // Input (Data, Array),
0xc0 // End Collection
};
/* wrapper */
static const USBDescriptor keyboard_hid_report_descriptor = {
sizeof keyboard_hid_report_desc_data,
keyboard_hid_report_desc_data
};
#ifdef NKRO_ENABLE
static const uint8_t nkro_hid_report_desc_data[] = {
0x05, 0x01, // Usage Page (Generic Desktop),
0x09, 0x06, // Usage (Keyboard),
0xA1, 0x01, // Collection (Application),
// bitmap of modifiers
0x75, 0x01, // Report Size (1),
0x95, 0x08, // Report Count (8),
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),
0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
// LED output report
0x95, 0x05, // Report Count (5),
0x75, 0x01, // Report Size (1),
0x05, 0x08, // Usage Page (LEDs),
0x19, 0x01, // Usage Minimum (1),
0x29, 0x05, // Usage Maximum (5),
0x91, 0x02, // Output (Data, Variable, Absolute),
0x95, 0x01, // Report Count (1),
0x75, 0x03, // Report Size (3),
0x91, 0x03, // Output (Constant),
// bitmap of keys
0x95, NKRO_REPORT_KEYS * 8, // Report Count (),
0x75, 0x01, // Report Size (1),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x01, // Logical Maximum(1),
0x05, 0x07, // Usage Page (Key Codes),
0x19, 0x00, // Usage Minimum (0),
0x29, NKRO_REPORT_KEYS * 8 - 1, // Usage Maximum (),
0x81, 0x02, // Input (Data, Variable, Absolute),
0xc0 // End Collection
};
/* wrapper */
static const USBDescriptor nkro_hid_report_descriptor = {
sizeof nkro_hid_report_desc_data,
nkro_hid_report_desc_data
};
#endif /* NKRO_ENABLE */
#ifdef MOUSE_ENABLE
/* Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
* http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
* http://www.keil.com/forum/15671/
* http://www.microsoft.com/whdc/device/input/wheel.mspx */
static const uint8_t mouse_hid_report_desc_data[] = {
/* mouse */
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x02, // USAGE (Mouse)
0xa1, 0x01, // COLLECTION (Application)
//0x85, REPORT_ID_MOUSE, // REPORT_ID (1)
0x09, 0x01, // USAGE (Pointer)
0xa1, 0x00, // COLLECTION (Physical)
// ---------------------------- Buttons
0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x05, // USAGE_MAXIMUM (Button 5)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x75, 0x01, // REPORT_SIZE (1)
0x95, 0x05, // REPORT_COUNT (5)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x75, 0x03, // REPORT_SIZE (3)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x03, // INPUT (Cnst,Var,Abs)
// ---------------------------- X,Y position
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x02, // REPORT_COUNT (2)
0x81, 0x06, // INPUT (Data,Var,Rel)
// ---------------------------- Vertical wheel
0x09, 0x38, // USAGE (Wheel)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
0x45, 0x00, // PHYSICAL_MAXIMUM (0)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x06, // INPUT (Data,Var,Rel)
// ---------------------------- Horizontal wheel
0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
0x0a, 0x38, 0x02, // USAGE (AC Pan)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x06, // INPUT (Data,Var,Rel)
0xc0, // END_COLLECTION
0xc0, // END_COLLECTION
};
/* wrapper */
static const USBDescriptor mouse_hid_report_descriptor = {
sizeof mouse_hid_report_desc_data,
mouse_hid_report_desc_data
};
#endif /* MOUSE_ENABLE */
#ifdef CONSOLE_ENABLE
static const uint8_t console_hid_report_desc_data[] = {
0x06, 0x31, 0xFF, // Usage Page 0xFF31 (vendor defined)
0x09, 0x74, // Usage 0x74
0xA1, 0x53, // Collection 0x53
0x75, 0x08, // report size = 8 bits
0x15, 0x00, // logical minimum = 0
0x26, 0xFF, 0x00, // logical maximum = 255
0x95, CONSOLE_EPSIZE, // report count
0x09, 0x75, // usage
0x81, 0x02, // Input (array)
0xC0 // end collection
};
/* wrapper */
static const USBDescriptor console_hid_report_descriptor = {
sizeof console_hid_report_desc_data,
console_hid_report_desc_data
};
#endif /* CONSOLE_ENABLE */
#ifdef EXTRAKEY_ENABLE
/* audio controls & system controls
* http://www.microsoft.com/whdc/archive/w2kbd.mspx */
static const uint8_t extra_hid_report_desc_data[] = {
/* system control */
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x80, // USAGE (System Control)
0xa1, 0x01, // COLLECTION (Application)
0x85, REPORT_ID_SYSTEM, // REPORT_ID (2)
0x15, 0x01, // LOGICAL_MINIMUM (0x1)
0x25, 0xb7, // LOGICAL_MAXIMUM (0xb7)
0x19, 0x01, // USAGE_MINIMUM (0x1)
0x29, 0xb7, // USAGE_MAXIMUM (0xb7)
0x75, 0x10, // REPORT_SIZE (16)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x00, // INPUT (Data,Array,Abs)
0xc0, // END_COLLECTION
/* consumer */
0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
0x09, 0x01, // USAGE (Consumer Control)
0xa1, 0x01, // COLLECTION (Application)
0x85, REPORT_ID_CONSUMER, // REPORT_ID (3)
0x15, 0x01, // LOGICAL_MINIMUM (0x1)
0x26, 0x9c, 0x02, // LOGICAL_MAXIMUM (0x29c)
0x19, 0x01, // USAGE_MINIMUM (0x1)
0x2a, 0x9c, 0x02, // USAGE_MAXIMUM (0x29c)
0x75, 0x10, // REPORT_SIZE (16)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x00, // INPUT (Data,Array,Abs)
0xc0, // END_COLLECTION
};
/* wrapper */
static const USBDescriptor extra_hid_report_descriptor = {
sizeof extra_hid_report_desc_data,
extra_hid_report_desc_data
};
#endif /* EXTRAKEY_ENABLE */
/*
* Configuration Descriptor tree for a HID device
*
* The HID Specifications version 1.11 require the following order:
* - Configuration Descriptor
* - Interface Descriptor
* - HID Descriptor
* - Endpoints Descriptors
*/
#define KBD_HID_DESC_NUM 0
#define KBD_HID_DESC_OFFSET (9 + (9 + 9 + 7) * KBD_HID_DESC_NUM + 9)
#ifdef MOUSE_ENABLE
# define MOUSE_HID_DESC_NUM (KBD_HID_DESC_NUM + 1)
# define MOUSE_HID_DESC_OFFSET (9 + (9 + 9 + 7) * MOUSE_HID_DESC_NUM + 9)
#else /* MOUSE_ENABLE */
# define MOUSE_HID_DESC_NUM (KBD_HID_DESC_NUM + 0)
#endif /* MOUSE_ENABLE */
#ifdef CONSOLE_ENABLE
#define CONSOLE_HID_DESC_NUM (MOUSE_HID_DESC_NUM + 1)
#define CONSOLE_HID_DESC_OFFSET (9 + (9 + 9 + 7) * CONSOLE_HID_DESC_NUM + 9)
#else /* CONSOLE_ENABLE */
# define CONSOLE_HID_DESC_NUM (MOUSE_HID_DESC_NUM + 0)
#endif /* CONSOLE_ENABLE */
#ifdef EXTRAKEY_ENABLE
# define EXTRA_HID_DESC_NUM (CONSOLE_HID_DESC_NUM + 1)
# define EXTRA_HID_DESC_OFFSET (9 + (9 + 9 + 7) * EXTRA_HID_DESC_NUM + 9)
#else /* EXTRAKEY_ENABLE */
# define EXTRA_HID_DESC_NUM (CONSOLE_HID_DESC_NUM + 0)
#endif /* EXTRAKEY_ENABLE */
#ifdef NKRO_ENABLE
# define NKRO_HID_DESC_NUM (EXTRA_HID_DESC_NUM + 1)
# define NKRO_HID_DESC_OFFSET (9 + (9 + 9 + 7) * EXTRA_HID_DESC_NUM + 9)
#else /* NKRO_ENABLE */
# define NKRO_HID_DESC_NUM (EXTRA_HID_DESC_NUM + 0)
#endif /* NKRO_ENABLE */
#define NUM_INTERFACES (NKRO_HID_DESC_NUM + 1)
#define CONFIG1_DESC_SIZE (9 + (9 + 9 + 7) * NUM_INTERFACES)
static const uint8_t hid_configuration_descriptor_data[] = {
/* Configuration Descriptor (9 bytes) USB spec 9.6.3, page 264-266, Table 9-10 */
USB_DESC_CONFIGURATION(CONFIG1_DESC_SIZE, // wTotalLength
NUM_INTERFACES, // bNumInterfaces
1, // bConfigurationValue
0, // iConfiguration
0xA0, // bmAttributes (RESERVED|REMOTEWAKEUP)
50), // bMaxPower (50mA)
/* Interface Descriptor (9 bytes) USB spec 9.6.5, page 267-269, Table 9-12 */
USB_DESC_INTERFACE(KBD_INTERFACE, // bInterfaceNumber
0, // bAlternateSetting
1, // bNumEndpoints
0x03, // bInterfaceClass: HID
0x01, // bInterfaceSubClass: Boot
0x01, // bInterfaceProtocol: Keyboard
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(keyboard_hid_report_desc_data)), // wDescriptorLength
/* Endpoint Descriptor (7 bytes) USB spec 9.6.6, page 269-271, Table 9-13 */
USB_DESC_ENDPOINT(KBD_ENDPOINT | 0x80, // bEndpointAddress
0x03, // bmAttributes (Interrupt)
KBD_EPSIZE,// wMaxPacketSize
10), // bInterval
#ifdef MOUSE_ENABLE
/* Interface Descriptor (9 bytes) USB spec 9.6.5, page 267-269, Table 9-12 */
USB_DESC_INTERFACE(MOUSE_INTERFACE, // bInterfaceNumber
0, // bAlternateSetting
1, // bNumEndpoints
0x03, // bInterfaceClass (0x03 = HID)
// ThinkPad T23 BIOS doesn't work with boot mouse.
0x00, // bInterfaceSubClass (0x01 = Boot)
0x00, // bInterfaceProtocol (0x02 = Mouse)
/*
0x01, // bInterfaceSubClass (0x01 = Boot)
0x02, // bInterfaceProtocol (0x02 = Mouse)
*/
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(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
keyboard_nkro = !!keyboard_protocol;
if(!keyboard_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(!keyboard_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);
chThdSleepMilliseconds(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;
chThdSleepMilliseconds(15);
USB0->CTL &= ~USBx_CTL_RESUME;
#endif /* KINETIS_USB_USE_USB0 */
#elif defined(STM32F0XX) || defined(STM32F1XX) /* K20x || KL2x */
STM32_USB->CNTR |= CNTR_RESUME;
chThdSleepMilliseconds(15);
STM32_USB->CNTR &= ~CNTR_RESUME;
#else /* STM32F0XX || STM32F1XX */
#warning Sending remote wakeup packet not implemented for your platform.
#endif /* K20x || KL2x */
}
/* ---------------------------------------------------------
* 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(!keyboard_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(keyboard_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 5us 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);
}