refactor
parent
a244e9d58d
commit
0f1d82f1f2
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@ -496,3 +496,685 @@ uint8_t twi_read(uint8_t * data) {
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return TW_STATUS; // error
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return 0; // success
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}
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// ----------------------------------------------
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// usb
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// ----------------------------------------------
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/**************************************************************************
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*
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* Configurable Options
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*
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**************************************************************************/
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// You can change these to give your code its own name.
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#define STR_MANUFACTURER L"FalbabeTech"
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#define STR_PRODUCT L"ErgoDox ergonomic keyboard"
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// Mac OS-X and Linux automatically load the correct drivers. On
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// Windows, even though the driver is supplied by Microsoft, an
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// INF file is needed to load the driver. These numbers need to
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// match the INF file.
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#define VENDOR_ID 0x1d50 // Openmoko, Inc.
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#define PRODUCT_ID 0x6028 // ErgoDox ergonomic keyboard
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// USB devices are supposed to implment a halt feature, which is
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// rarely (if ever) used. If you comment this line out, the halt
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// code will be removed, saving 102 bytes of space (gcc 4.3.0).
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// This is not strictly USB compliant, but works with all major
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// operating systems.
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#define SUPPORT_ENDPOINT_HALT
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/* report id */
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#define REPORT_ID_SYSTEM 2
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#define REPORT_ID_CONSUMER 3
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/**************************************************************************
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*
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* Endpoint Buffer Configuration
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*
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**************************************************************************/
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#define ENDPOINT0_SIZE 32
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#define KEYBOARD_INTERFACE 0
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#define KEYBOARD_ENDPOINT 1
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#define KEYBOARD_SIZE 8
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#define KEYBOARD_BUFFER EP_DOUBLE_BUFFER
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#define EXTRA_INTERFACE 1
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#define EXTRA_ENDPOINT 2
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#define EXTRA_SIZE 8
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#define EXTRA_BUFFER EP_DOUBLE_BUFFER
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static const uint8_t PROGMEM endpoint_config_table[] = {
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1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KEYBOARD_SIZE) | KEYBOARD_BUFFER,
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1, EP_TYPE_INTERRUPT_IN, EP_SIZE(EXTRA_SIZE) | EXTRA_BUFFER, // 4
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0
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};
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/**************************************************************************
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*
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* Descriptor Data
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*
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**************************************************************************/
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// Descriptors are the data that your computer reads when it auto-detects
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// this USB device (called "enumeration" in USB lingo). The most commonly
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// changed items are editable at the top of this file. Changing things
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// in here should only be done by those who've read chapter 9 of the USB
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// spec and relevant portions of any USB class specifications!
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static const uint8_t PROGMEM device_descriptor[] = {
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18, // bLength
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1, // bDescriptorType
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0x00, 0x02, // bcdUSB
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0, // bDeviceClass
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0, // bDeviceSubClass
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0, // bDeviceProtocol
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ENDPOINT0_SIZE, // bMaxPacketSize0
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LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor
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LSB(PRODUCT_ID), MSB(PRODUCT_ID), // idProduct
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0x00, 0x01, // bcdDevice
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1, // iManufacturer
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2, // iProduct
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0, // iSerialNumber
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1 // bNumConfigurations
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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 PROGMEM keyboard_hid_report_desc[] = {
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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, 0x06, // Report Count (6),
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0x75, 0x08, // Report Size (8),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0xFF, // Logical Maximum(104),
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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 (104),
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0x81, 0x00, // Input (Data, Array),
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0xc0 // End Collection
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};
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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 PROGMEM extra_hid_report_desc[] = {
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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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#define KEYBOARD_HID_DESC_NUM 0
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#define KEYBOARD_HID_DESC_OFFSET (9+(9+9+7)*KEYBOARD_HID_DESC_NUM+9)
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# define EXTRA_HID_DESC_NUM (KEYBOARD_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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#define NUM_INTERFACES (EXTRA_HID_DESC_NUM + 1)
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#define CONFIG1_DESC_SIZE (9+(9+9+7)*NUM_INTERFACES)
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//#define KEYBOARD_HID_DESC_OFFSET (9+9)
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static const uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
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// configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
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9, // bLength;
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2, // bDescriptorType;
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LSB(CONFIG1_DESC_SIZE), // wTotalLength
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MSB(CONFIG1_DESC_SIZE),
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NUM_INTERFACES, // bNumInterfaces
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1, // bConfigurationValue
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0, // iConfiguration
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0xC0, // bmAttributes
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50, // bMaxPower
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// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
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9, // bLength
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4, // bDescriptorType
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KEYBOARD_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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0x01, // bInterfaceSubClass (0x01 = Boot)
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0x01, // bInterfaceProtocol (0x01 = Keyboard)
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0, // iInterface
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// HID descriptor, HID 1.11 spec, section 6.2.1
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9, // bLength
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0x21, // bDescriptorType
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0x11, 0x01, // bcdHID
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0, // bCountryCode
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1, // bNumDescriptors
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0x22, // bDescriptorType
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sizeof(keyboard_hid_report_desc), // wDescriptorLength
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0,
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// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
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7, // bLength
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5, // bDescriptorType
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KEYBOARD_ENDPOINT | 0x80, // bEndpointAddress
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0x03, // bmAttributes (0x03=intr)
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KEYBOARD_SIZE, 0, // wMaxPacketSize
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10, // bInterval
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// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
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9, // bLength
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4, // bDescriptorType
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EXTRA_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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0x00, // bInterfaceSubClass
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0x00, // bInterfaceProtocol
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0, // iInterface
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// HID descriptor, HID 1.11 spec, section 6.2.1
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9, // bLength
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0x21, // bDescriptorType
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0x11, 0x01, // bcdHID
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0, // bCountryCode
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1, // bNumDescriptors
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0x22, // bDescriptorType
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sizeof(extra_hid_report_desc), // wDescriptorLength
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0,
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// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
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7, // bLength
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5, // bDescriptorType
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EXTRA_ENDPOINT | 0x80, // bEndpointAddress
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0x03, // bmAttributes (0x03=intr)
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EXTRA_SIZE, 0, // wMaxPacketSize
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10, // bInterval
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};
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// If you're desperate for a little extra code memory, these strings
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// can be completely removed if iManufacturer, iProduct, iSerialNumber
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// in the device desciptor are changed to zeros.
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struct usb_string_descriptor_struct {
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uint8_t bLength;
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uint8_t bDescriptorType;
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int16_t wString[];
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};
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static const struct usb_string_descriptor_struct PROGMEM string0 = {
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4,
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3,
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{0x0409}
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};
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static const struct usb_string_descriptor_struct PROGMEM string1 = {
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sizeof(STR_MANUFACTURER),
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3,
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STR_MANUFACTURER
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};
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static const struct usb_string_descriptor_struct PROGMEM string2 = {
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sizeof(STR_PRODUCT),
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3,
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STR_PRODUCT
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};
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// This table defines which descriptor data is sent for each specific
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// request from the host (in wValue and wIndex).
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static struct descriptor_list_struct {
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uint16_t wValue;
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uint16_t wIndex;
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const uint8_t *addr;
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uint8_t length;
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} const PROGMEM descriptor_list[] = {
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// DEVICE descriptor
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{0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
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// CONFIGURATION descriptor
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{0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)},
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// HID/REPORT descriptors
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{0x2100, KEYBOARD_INTERFACE, config1_descriptor+KEYBOARD_HID_DESC_OFFSET, 9},
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{0x2200, KEYBOARD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)},
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// Extra HID Descriptor
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{0x2100, EXTRA_INTERFACE, config1_descriptor+EXTRA_HID_DESC_OFFSET, 9},
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{0x2200, EXTRA_INTERFACE, extra_hid_report_desc, sizeof(extra_hid_report_desc)},
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// STRING descriptors
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{0x0300, 0x0000, (const uint8_t *)&string0, 4},
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{0x0301, 0x0409, (const uint8_t *)&string1, sizeof(STR_MANUFACTURER)},
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{0x0302, 0x0409, (const uint8_t *)&string2, sizeof(STR_PRODUCT)}
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};
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#define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct))
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/**************************************************************************
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*
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* Variables - these are the only non-stack RAM usage
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*
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**************************************************************************/
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// zero when we are not configured, non-zero when enumerated
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static volatile uint8_t usb_configuration=0;
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// which modifier keys are currently pressed
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// 1=left ctrl, 2=left shift, 4=left alt, 8=left gui
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// 16=right ctrl, 32=right shift, 64=right alt, 128=right gui
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uint8_t keyboard_modifier_keys=0;
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// which keys are currently pressed, up to 6 keys may be down at once
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uint8_t keyboard_keys[6]={0,0,0,0,0,0};
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// protocol setting from the host. We use exactly the same report
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// either way, so this variable only stores the setting since we
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// are required to be able to report which setting is in use.
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static uint8_t keyboard_protocol=1;
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// the idle configuration, how often we send the report to the
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// host (ms * 4) even when it hasn't changed
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static uint8_t keyboard_idle_config=125;
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// count until idle timeout
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static uint8_t keyboard_idle_count=0;
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// 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
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volatile uint8_t keyboard_leds=0;
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// which consumer key is currently pressed
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uint16_t consumer_key;
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uint16_t last_consumer_key;
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/**************************************************************************
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*
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* Public Functions - these are the API intended for the user
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*
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**************************************************************************/
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// initialize USB
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void usb_init(void)
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{
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HW_CONFIG();
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USB_FREEZE(); // enable USB
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PLL_CONFIG(); // config PLL
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while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
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USB_CONFIG(); // start USB clock
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UDCON = 0; // enable attach resistor
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usb_configuration = 0;
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UDIEN = (1<<EORSTE)|(1<<SOFE);
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sei();
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}
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// return 0 if the USB is not configured, or the configuration
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// number selected by the HOST
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uint8_t usb_configured(void)
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{
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return usb_configuration;
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}
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// perform a single keystroke
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int8_t usb_keyboard_press(uint8_t key, uint8_t modifier)
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{
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int8_t r;
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keyboard_modifier_keys = modifier;
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keyboard_keys[0] = key;
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r = usb_keyboard_send();
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if (r) return r;
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keyboard_modifier_keys = 0;
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keyboard_keys[0] = 0;
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return usb_keyboard_send();
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}
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// send the contents of keyboard_keys and keyboard_modifier_keys
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int8_t usb_keyboard_send(void)
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{
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uint8_t i, intr_state, timeout;
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if (!usb_configuration) return -1;
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intr_state = SREG;
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cli();
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UENUM = KEYBOARD_ENDPOINT;
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timeout = UDFNUML + 50;
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while (1) {
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// are we ready to transmit?
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if (UEINTX & (1<<RWAL)) break;
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SREG = intr_state;
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// has the USB gone offline?
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if (!usb_configuration) return -1;
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// have we waited too long?
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if (UDFNUML == timeout) return -1;
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// get ready to try checking again
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intr_state = SREG;
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cli();
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UENUM = KEYBOARD_ENDPOINT;
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}
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UEDATX = keyboard_modifier_keys;
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UEDATX = 0;
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for (i=0; i<6; i++) {
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UEDATX = keyboard_keys[i];
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}
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UEINTX = 0x3A;
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keyboard_idle_count = 0;
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SREG = intr_state;
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return 0;
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}
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/**************************************************************************
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*
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* Private Functions - not intended for general user consumption....
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*
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**************************************************************************/
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// USB Device Interrupt - handle all device-level events
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// the transmit buffer flushing is triggered by the start of frame
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//
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ISR(USB_GEN_vect)
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{
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uint8_t intbits, i; // used to declare a variable `t` as well, but it
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// wasn't used ::Ben Blazak, 2012::
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static uint8_t div4=0;
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intbits = UDINT;
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UDINT = 0;
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if (intbits & (1<<EORSTI)) {
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UENUM = 0;
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UECONX = 1;
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UECFG0X = EP_TYPE_CONTROL;
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UECFG1X = EP_SIZE(ENDPOINT0_SIZE) | EP_SINGLE_BUFFER;
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UEIENX = (1<<RXSTPE);
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usb_configuration = 0;
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}
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if ((intbits & (1<<SOFI)) && usb_configuration) {
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if (keyboard_idle_config && (++div4 & 3) == 0) {
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UENUM = KEYBOARD_ENDPOINT;
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if (UEINTX & (1<<RWAL)) {
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keyboard_idle_count++;
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if (keyboard_idle_count == keyboard_idle_config) {
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keyboard_idle_count = 0;
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UEDATX = keyboard_modifier_keys;
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UEDATX = 0;
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for (i=0; i<6; i++) {
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UEDATX = keyboard_keys[i];
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}
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UEINTX = 0x3A;
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}
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}
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}
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}
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}
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// Misc functions to wait for ready and send/receive packets
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static inline void usb_wait_in_ready(void)
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{
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while (!(UEINTX & (1<<TXINI))) ;
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}
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static inline void usb_send_in(void)
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{
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UEINTX = ~(1<<TXINI);
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}
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static inline void usb_wait_receive_out(void)
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{
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while (!(UEINTX & (1<<RXOUTI))) ;
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}
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static inline void usb_ack_out(void)
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{
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UEINTX = ~(1<<RXOUTI);
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}
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// USB Endpoint Interrupt - endpoint 0 is handled here. The
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||||
// other endpoints are manipulated by the user-callable
|
||||
// functions, and the start-of-frame interrupt.
|
||||
//
|
||||
ISR(USB_COM_vect)
|
||||
{
|
||||
uint8_t intbits;
|
||||
const uint8_t *list;
|
||||
const uint8_t *cfg;
|
||||
uint8_t i, n, len, en;
|
||||
uint8_t bmRequestType;
|
||||
uint8_t bRequest;
|
||||
uint16_t wValue;
|
||||
uint16_t wIndex;
|
||||
uint16_t wLength;
|
||||
uint16_t desc_val;
|
||||
const uint8_t *desc_addr;
|
||||
uint8_t desc_length;
|
||||
|
||||
UENUM = 0;
|
||||
intbits = UEINTX;
|
||||
if (intbits & (1<<RXSTPI)) {
|
||||
bmRequestType = UEDATX;
|
||||
bRequest = UEDATX;
|
||||
wValue = UEDATX;
|
||||
wValue |= (UEDATX << 8);
|
||||
wIndex = UEDATX;
|
||||
wIndex |= (UEDATX << 8);
|
||||
wLength = UEDATX;
|
||||
wLength |= (UEDATX << 8);
|
||||
UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI));
|
||||
if (bRequest == GET_DESCRIPTOR) {
|
||||
list = (const uint8_t *)descriptor_list;
|
||||
for (i=0; ; i++) {
|
||||
if (i >= NUM_DESC_LIST) {
|
||||
UECONX = (1<<STALLRQ)|(1<<EPEN); //stall
|
||||
return;
|
||||
}
|
||||
desc_val = pgm_read_word(list);
|
||||
if (desc_val != wValue) {
|
||||
list += sizeof(struct descriptor_list_struct);
|
||||
continue;
|
||||
}
|
||||
list += 2;
|
||||
desc_val = pgm_read_word(list);
|
||||
if (desc_val != wIndex) {
|
||||
list += sizeof(struct descriptor_list_struct)-2;
|
||||
continue;
|
||||
}
|
||||
list += 2;
|
||||
desc_addr = (const uint8_t *)pgm_read_word(list);
|
||||
list += 2;
|
||||
desc_length = pgm_read_byte(list);
|
||||
break;
|
||||
}
|
||||
len = (wLength < 256) ? wLength : 255;
|
||||
if (len > desc_length) len = desc_length;
|
||||
do {
|
||||
// wait for host ready for IN packet
|
||||
do {
|
||||
i = UEINTX;
|
||||
} while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
|
||||
if (i & (1<<RXOUTI)) return; // abort
|
||||
// send IN packet
|
||||
n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
|
||||
for (i = n; i; i--) {
|
||||
UEDATX = pgm_read_byte(desc_addr++);
|
||||
}
|
||||
len -= n;
|
||||
usb_send_in();
|
||||
} while (len || n == ENDPOINT0_SIZE);
|
||||
return;
|
||||
}
|
||||
if (bRequest == SET_ADDRESS) {
|
||||
usb_send_in();
|
||||
usb_wait_in_ready();
|
||||
UDADDR = wValue | (1<<ADDEN);
|
||||
return;
|
||||
}
|
||||
if (bRequest == SET_CONFIGURATION && bmRequestType == 0) {
|
||||
usb_configuration = wValue;
|
||||
usb_send_in();
|
||||
cfg = endpoint_config_table;
|
||||
for (i=1; i<5; i++) {
|
||||
UENUM = i;
|
||||
en = pgm_read_byte(cfg++);
|
||||
UECONX = en;
|
||||
if (en) {
|
||||
UECFG0X = pgm_read_byte(cfg++);
|
||||
UECFG1X = pgm_read_byte(cfg++);
|
||||
}
|
||||
}
|
||||
UERST = 0x1E;
|
||||
UERST = 0;
|
||||
return;
|
||||
}
|
||||
if (bRequest == GET_CONFIGURATION && bmRequestType == 0x80) {
|
||||
usb_wait_in_ready();
|
||||
UEDATX = usb_configuration;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
|
||||
if (bRequest == GET_STATUS) {
|
||||
usb_wait_in_ready();
|
||||
i = 0;
|
||||
#ifdef SUPPORT_ENDPOINT_HALT
|
||||
if (bmRequestType == 0x82) {
|
||||
UENUM = wIndex;
|
||||
if (UECONX & (1<<STALLRQ)) i = 1;
|
||||
UENUM = 0;
|
||||
}
|
||||
#endif
|
||||
UEDATX = i;
|
||||
UEDATX = 0;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
#ifdef SUPPORT_ENDPOINT_HALT
|
||||
if ((bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE)
|
||||
&& bmRequestType == 0x02 && wValue == 0) {
|
||||
i = wIndex & 0x7F;
|
||||
if (i >= 1 && i <= MAX_ENDPOINT) {
|
||||
usb_send_in();
|
||||
UENUM = i;
|
||||
if (bRequest == SET_FEATURE) {
|
||||
UECONX = (1<<STALLRQ)|(1<<EPEN);
|
||||
} else {
|
||||
UECONX = (1<<STALLRQC)|(1<<RSTDT)|(1<<EPEN);
|
||||
UERST = (1 << i);
|
||||
UERST = 0;
|
||||
}
|
||||
return;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
if (wIndex == KEYBOARD_INTERFACE) {
|
||||
if (bmRequestType == 0xA1) {
|
||||
if (bRequest == HID_GET_REPORT) {
|
||||
usb_wait_in_ready();
|
||||
UEDATX = keyboard_modifier_keys;
|
||||
UEDATX = 0;
|
||||
for (i=0; i<6; i++) {
|
||||
UEDATX = keyboard_keys[i];
|
||||
}
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
if (bRequest == HID_GET_IDLE) {
|
||||
usb_wait_in_ready();
|
||||
UEDATX = keyboard_idle_config;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
if (bRequest == HID_GET_PROTOCOL) {
|
||||
usb_wait_in_ready();
|
||||
UEDATX = keyboard_protocol;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
}
|
||||
if (bmRequestType == 0x21) {
|
||||
if (bRequest == HID_SET_REPORT) {
|
||||
usb_wait_receive_out();
|
||||
keyboard_leds = UEDATX;
|
||||
usb_ack_out();
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
if (bRequest == HID_SET_IDLE) {
|
||||
keyboard_idle_config = (wValue >> 8);
|
||||
keyboard_idle_count = 0;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
if (bRequest == HID_SET_PROTOCOL) {
|
||||
keyboard_protocol = wValue;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
UECONX = (1<<STALLRQ) | (1<<EPEN); // stall
|
||||
}
|
||||
|
||||
int8_t usb_extra_send(uint8_t report_id, uint16_t data)
|
||||
{
|
||||
uint8_t intr_state, timeout;
|
||||
|
||||
if (!usb_configured()) return -1;
|
||||
intr_state = SREG;
|
||||
cli();
|
||||
UENUM = EXTRA_ENDPOINT;
|
||||
timeout = UDFNUML + 50;
|
||||
while (1) {
|
||||
// are we ready to transmit?
|
||||
if (UEINTX & (1<<RWAL)) break;
|
||||
SREG = intr_state;
|
||||
// has the USB gone offline?
|
||||
if (!usb_configured()) return -1;
|
||||
// have we waited too long?
|
||||
if (UDFNUML == timeout) return -1;
|
||||
// get ready to try checking again
|
||||
intr_state = SREG;
|
||||
cli();
|
||||
UENUM = EXTRA_ENDPOINT;
|
||||
}
|
||||
|
||||
UEDATX = report_id;
|
||||
UEDATX = data&0xFF;
|
||||
UEDATX = (data>>8)&0xFF;
|
||||
|
||||
UEINTX = 0x3A;
|
||||
SREG = intr_state;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int8_t usb_extra_consumer_send()
|
||||
{
|
||||
int result = 0;
|
||||
// don't resend the same key repeatedly if held, only send it once.
|
||||
if (consumer_key != last_consumer_key) {
|
||||
result = usb_extra_send(REPORT_ID_CONSUMER, consumer_key);
|
||||
if (result == 0) {
|
||||
last_consumer_key = consumer_key;
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
|
|
@ -8,13 +8,15 @@
|
|||
|
||||
#pragma once
|
||||
|
||||
#include <avr/interrupt.h>
|
||||
#include <avr/io.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include <util/twi.h>
|
||||
#include "./options.h"
|
||||
#include "./matrix.h"
|
||||
#include <avr/io.h>
|
||||
#include <util/delay.h>
|
||||
#include <util/twi.h>
|
||||
#include "./matrix.h"
|
||||
#include "./options.h"
|
||||
|
||||
// --------------------------------------------------------------------
|
||||
|
||||
|
@ -84,3 +86,74 @@ uint8_t twi_start (void);
|
|||
void twi_stop (void);
|
||||
uint8_t twi_send (uint8_t data);
|
||||
uint8_t twi_read (uint8_t * data);
|
||||
|
||||
// --------------------------------------------------------------------
|
||||
|
||||
void usb_init(void); // initialize everything
|
||||
uint8_t usb_configured(void); // is the USB port configured
|
||||
|
||||
int8_t usb_keyboard_press(uint8_t key, uint8_t modifier);
|
||||
int8_t usb_keyboard_send(void);
|
||||
extern uint8_t keyboard_modifier_keys;
|
||||
extern uint8_t keyboard_keys[6];
|
||||
extern volatile uint8_t keyboard_leds;
|
||||
|
||||
extern uint16_t consumer_key;
|
||||
|
||||
// This file does not include the HID debug functions, so these empty
|
||||
// macros replace them with nothing, so users can compile code that
|
||||
// has calls to these functions.
|
||||
#define usb_debug_putchar(c)
|
||||
#define usb_debug_flush_output()
|
||||
|
||||
int8_t usb_extra_consumer_send();
|
||||
|
||||
// Everything below this point is only intended for usb_serial.c
|
||||
|
||||
#define EP_TYPE_CONTROL 0x00
|
||||
#define EP_TYPE_BULK_IN 0x81
|
||||
#define EP_TYPE_BULK_OUT 0x80
|
||||
#define EP_TYPE_INTERRUPT_IN 0xC1
|
||||
#define EP_TYPE_INTERRUPT_OUT 0xC0
|
||||
#define EP_TYPE_ISOCHRONOUS_IN 0x41
|
||||
#define EP_TYPE_ISOCHRONOUS_OUT 0x40
|
||||
|
||||
#define EP_SINGLE_BUFFER 0x02
|
||||
#define EP_DOUBLE_BUFFER 0x06
|
||||
|
||||
#define EP_SIZE(s) ((s) == 64 ? 0x30 : \
|
||||
((s) == 32 ? 0x20 : \
|
||||
((s) == 16 ? 0x10 : \
|
||||
0x00)))
|
||||
|
||||
#define MAX_ENDPOINT 4
|
||||
|
||||
#define LSB(n) (n & 255)
|
||||
#define MSB(n) ((n >> 8) & 255)
|
||||
|
||||
#define HW_CONFIG() (UHWCON = 0x01)
|
||||
#define PLL_CONFIG() (PLLCSR = 0x12)
|
||||
#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
|
||||
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
|
||||
|
||||
// standard control endpoint request types
|
||||
#define GET_STATUS 0
|
||||
#define CLEAR_FEATURE 1
|
||||
#define SET_FEATURE 3
|
||||
#define SET_ADDRESS 5
|
||||
#define GET_DESCRIPTOR 6
|
||||
#define GET_CONFIGURATION 8
|
||||
#define SET_CONFIGURATION 9
|
||||
#define GET_INTERFACE 10
|
||||
#define SET_INTERFACE 11
|
||||
// HID (human interface device)
|
||||
#define HID_GET_REPORT 1
|
||||
#define HID_GET_IDLE 2
|
||||
#define HID_GET_PROTOCOL 3
|
||||
#define HID_SET_REPORT 9
|
||||
#define HID_SET_IDLE 10
|
||||
#define HID_SET_PROTOCOL 11
|
||||
// CDC (communication class device)
|
||||
#define CDC_SET_LINE_CODING 0x20
|
||||
#define CDC_GET_LINE_CODING 0x21
|
||||
#define CDC_SET_CONTROL_LINE_STATE 0x22
|
||||
|
|
|
@ -1,19 +0,0 @@
|
|||
# src/lib/pjrc
|
||||
|
||||
## links to original files
|
||||
|
||||
* [pjrc] (http://pjrc.com/teensy/)
|
||||
* [usb_keyboard] (http://pjrc.com/teensy/usb_keyboard.zip)
|
||||
<!--
|
||||
* [usb_mouse] (http://pjrc.com/teensy/usb_mouse.zip)
|
||||
* [usb_serial] (http://pjrc.com/teensy/usb_serial.zip)
|
||||
* Directions for host setup [here]
|
||||
(http://pjrc.com/teensy/usb_serial.html)
|
||||
-->
|
||||
|
||||
-------------------------------------------------------------------------------
|
||||
|
||||
Copyright © 2012 Ben Blazak <benblazak.dev@gmail.com>
|
||||
Released under The MIT License (MIT) (see "license.md")
|
||||
Project located at <https://github.com/benblazak/ergodox-firmware>
|
||||
|
|
@ -1,705 +0,0 @@
|
|||
/* USB Keyboard Example for Teensy USB Development Board
|
||||
* http://www.pjrc.com/teensy/usb_keyboard.html
|
||||
* Copyright (c) 2009 PJRC.COM, LLC
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
// Version 1.0: Initial Release
|
||||
// Version 1.1: Add support for Teensy 2.0
|
||||
|
||||
#include "./usb_keyboard.h"
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* Configurable Options
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
// You can change these to give your code its own name.
|
||||
#define STR_MANUFACTURER L"FalbabeTech"
|
||||
#define STR_PRODUCT L"ErgoDox ergonomic keyboard"
|
||||
|
||||
|
||||
// Mac OS-X and Linux automatically load the correct drivers. On
|
||||
// Windows, even though the driver is supplied by Microsoft, an
|
||||
// INF file is needed to load the driver. These numbers need to
|
||||
// match the INF file.
|
||||
#define VENDOR_ID 0x1d50 // Openmoko, Inc.
|
||||
#define PRODUCT_ID 0x6028 // ErgoDox ergonomic keyboard
|
||||
|
||||
|
||||
// USB devices are supposed to implment a halt feature, which is
|
||||
// rarely (if ever) used. If you comment this line out, the halt
|
||||
// code will be removed, saving 102 bytes of space (gcc 4.3.0).
|
||||
// This is not strictly USB compliant, but works with all major
|
||||
// operating systems.
|
||||
#define SUPPORT_ENDPOINT_HALT
|
||||
|
||||
/* report id */
|
||||
#define REPORT_ID_SYSTEM 2
|
||||
#define REPORT_ID_CONSUMER 3
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* Endpoint Buffer Configuration
|
||||
*
|
||||
**************************************************************************/
|
||||
#define ENDPOINT0_SIZE 32
|
||||
|
||||
#define KEYBOARD_INTERFACE 0
|
||||
#define KEYBOARD_ENDPOINT 1
|
||||
#define KEYBOARD_SIZE 8
|
||||
#define KEYBOARD_BUFFER EP_DOUBLE_BUFFER
|
||||
|
||||
#define EXTRA_INTERFACE 1
|
||||
#define EXTRA_ENDPOINT 2
|
||||
#define EXTRA_SIZE 8
|
||||
#define EXTRA_BUFFER EP_DOUBLE_BUFFER
|
||||
|
||||
|
||||
static const uint8_t PROGMEM endpoint_config_table[] = {
|
||||
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KEYBOARD_SIZE) | KEYBOARD_BUFFER,
|
||||
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(EXTRA_SIZE) | EXTRA_BUFFER, // 4
|
||||
0
|
||||
};
|
||||
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* Descriptor Data
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
// Descriptors are the data that your computer reads when it auto-detects
|
||||
// this USB device (called "enumeration" in USB lingo). The most commonly
|
||||
// changed items are editable at the top of this file. Changing things
|
||||
// in here should only be done by those who've read chapter 9 of the USB
|
||||
// spec and relevant portions of any USB class specifications!
|
||||
|
||||
|
||||
static const uint8_t PROGMEM device_descriptor[] = {
|
||||
18, // bLength
|
||||
1, // bDescriptorType
|
||||
0x00, 0x02, // bcdUSB
|
||||
0, // bDeviceClass
|
||||
0, // bDeviceSubClass
|
||||
0, // bDeviceProtocol
|
||||
ENDPOINT0_SIZE, // bMaxPacketSize0
|
||||
LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor
|
||||
LSB(PRODUCT_ID), MSB(PRODUCT_ID), // idProduct
|
||||
0x00, 0x01, // bcdDevice
|
||||
1, // iManufacturer
|
||||
2, // iProduct
|
||||
0, // iSerialNumber
|
||||
1 // bNumConfigurations
|
||||
};
|
||||
|
||||
// Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60
|
||||
static const uint8_t PROGMEM keyboard_hid_report_desc[] = {
|
||||
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, 0x06, // Report Count (6),
|
||||
0x75, 0x08, // Report Size (8),
|
||||
0x15, 0x00, // Logical Minimum (0),
|
||||
0x25, 0xFF, // Logical Maximum(104),
|
||||
0x05, 0x07, // Usage Page (Key Codes),
|
||||
0x19, 0x00, // Usage Minimum (0),
|
||||
0x29, 0xFF, // Usage Maximum (104),
|
||||
0x81, 0x00, // Input (Data, Array),
|
||||
0xc0 // End Collection
|
||||
};
|
||||
|
||||
// audio controls & system controls
|
||||
// http://www.microsoft.com/whdc/archive/w2kbd.mspx
|
||||
static const uint8_t PROGMEM extra_hid_report_desc[] = {
|
||||
/* 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
|
||||
};
|
||||
|
||||
#define KEYBOARD_HID_DESC_NUM 0
|
||||
#define KEYBOARD_HID_DESC_OFFSET (9+(9+9+7)*KEYBOARD_HID_DESC_NUM+9)
|
||||
|
||||
# define EXTRA_HID_DESC_NUM (KEYBOARD_HID_DESC_NUM + 1)
|
||||
# define EXTRA_HID_DESC_OFFSET (9+(9+9+7)*EXTRA_HID_DESC_NUM+9)
|
||||
|
||||
#define NUM_INTERFACES (EXTRA_HID_DESC_NUM + 1)
|
||||
#define CONFIG1_DESC_SIZE (9+(9+9+7)*NUM_INTERFACES)
|
||||
//#define KEYBOARD_HID_DESC_OFFSET (9+9)
|
||||
static const uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
|
||||
// configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
|
||||
9, // bLength;
|
||||
2, // bDescriptorType;
|
||||
LSB(CONFIG1_DESC_SIZE), // wTotalLength
|
||||
MSB(CONFIG1_DESC_SIZE),
|
||||
NUM_INTERFACES, // bNumInterfaces
|
||||
1, // bConfigurationValue
|
||||
0, // iConfiguration
|
||||
0xC0, // bmAttributes
|
||||
50, // bMaxPower
|
||||
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
|
||||
9, // bLength
|
||||
4, // bDescriptorType
|
||||
KEYBOARD_INTERFACE, // bInterfaceNumber
|
||||
0, // bAlternateSetting
|
||||
1, // bNumEndpoints
|
||||
0x03, // bInterfaceClass (0x03 = HID)
|
||||
0x01, // bInterfaceSubClass (0x01 = Boot)
|
||||
0x01, // bInterfaceProtocol (0x01 = Keyboard)
|
||||
0, // iInterface
|
||||
|
||||
// HID descriptor, HID 1.11 spec, section 6.2.1
|
||||
9, // bLength
|
||||
0x21, // bDescriptorType
|
||||
0x11, 0x01, // bcdHID
|
||||
0, // bCountryCode
|
||||
1, // bNumDescriptors
|
||||
0x22, // bDescriptorType
|
||||
sizeof(keyboard_hid_report_desc), // wDescriptorLength
|
||||
0,
|
||||
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
|
||||
7, // bLength
|
||||
5, // bDescriptorType
|
||||
KEYBOARD_ENDPOINT | 0x80, // bEndpointAddress
|
||||
0x03, // bmAttributes (0x03=intr)
|
||||
KEYBOARD_SIZE, 0, // wMaxPacketSize
|
||||
10, // bInterval
|
||||
|
||||
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
|
||||
9, // bLength
|
||||
4, // bDescriptorType
|
||||
EXTRA_INTERFACE, // bInterfaceNumber
|
||||
0, // bAlternateSetting
|
||||
1, // bNumEndpoints
|
||||
0x03, // bInterfaceClass (0x03 = HID)
|
||||
0x00, // bInterfaceSubClass
|
||||
0x00, // bInterfaceProtocol
|
||||
0, // iInterface
|
||||
// HID descriptor, HID 1.11 spec, section 6.2.1
|
||||
9, // bLength
|
||||
0x21, // bDescriptorType
|
||||
0x11, 0x01, // bcdHID
|
||||
0, // bCountryCode
|
||||
1, // bNumDescriptors
|
||||
0x22, // bDescriptorType
|
||||
sizeof(extra_hid_report_desc), // wDescriptorLength
|
||||
0,
|
||||
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
|
||||
7, // bLength
|
||||
5, // bDescriptorType
|
||||
EXTRA_ENDPOINT | 0x80, // bEndpointAddress
|
||||
0x03, // bmAttributes (0x03=intr)
|
||||
EXTRA_SIZE, 0, // wMaxPacketSize
|
||||
10, // bInterval
|
||||
};
|
||||
|
||||
// If you're desperate for a little extra code memory, these strings
|
||||
// can be completely removed if iManufacturer, iProduct, iSerialNumber
|
||||
// in the device desciptor are changed to zeros.
|
||||
struct usb_string_descriptor_struct {
|
||||
uint8_t bLength;
|
||||
uint8_t bDescriptorType;
|
||||
int16_t wString[];
|
||||
};
|
||||
static const struct usb_string_descriptor_struct PROGMEM string0 = {
|
||||
4,
|
||||
3,
|
||||
{0x0409}
|
||||
};
|
||||
static const struct usb_string_descriptor_struct PROGMEM string1 = {
|
||||
sizeof(STR_MANUFACTURER),
|
||||
3,
|
||||
STR_MANUFACTURER
|
||||
};
|
||||
static const struct usb_string_descriptor_struct PROGMEM string2 = {
|
||||
sizeof(STR_PRODUCT),
|
||||
3,
|
||||
STR_PRODUCT
|
||||
};
|
||||
|
||||
// This table defines which descriptor data is sent for each specific
|
||||
// request from the host (in wValue and wIndex).
|
||||
static struct descriptor_list_struct {
|
||||
uint16_t wValue;
|
||||
uint16_t wIndex;
|
||||
const uint8_t *addr;
|
||||
uint8_t length;
|
||||
} const PROGMEM descriptor_list[] = {
|
||||
// DEVICE descriptor
|
||||
{0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
|
||||
// CONFIGURATION descriptor
|
||||
{0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)},
|
||||
// HID/REPORT descriptors
|
||||
{0x2100, KEYBOARD_INTERFACE, config1_descriptor+KEYBOARD_HID_DESC_OFFSET, 9},
|
||||
{0x2200, KEYBOARD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)},
|
||||
// Extra HID Descriptor
|
||||
{0x2100, EXTRA_INTERFACE, config1_descriptor+EXTRA_HID_DESC_OFFSET, 9},
|
||||
{0x2200, EXTRA_INTERFACE, extra_hid_report_desc, sizeof(extra_hid_report_desc)},
|
||||
// STRING descriptors
|
||||
{0x0300, 0x0000, (const uint8_t *)&string0, 4},
|
||||
{0x0301, 0x0409, (const uint8_t *)&string1, sizeof(STR_MANUFACTURER)},
|
||||
{0x0302, 0x0409, (const uint8_t *)&string2, sizeof(STR_PRODUCT)}
|
||||
};
|
||||
#define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct))
|
||||
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* Variables - these are the only non-stack RAM usage
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
// zero when we are not configured, non-zero when enumerated
|
||||
static volatile uint8_t usb_configuration=0;
|
||||
|
||||
// which modifier keys are currently pressed
|
||||
// 1=left ctrl, 2=left shift, 4=left alt, 8=left gui
|
||||
// 16=right ctrl, 32=right shift, 64=right alt, 128=right gui
|
||||
uint8_t keyboard_modifier_keys=0;
|
||||
|
||||
// which keys are currently pressed, up to 6 keys may be down at once
|
||||
uint8_t keyboard_keys[6]={0,0,0,0,0,0};
|
||||
|
||||
// protocol setting from the host. We use exactly the same report
|
||||
// either way, so this variable only stores the setting since we
|
||||
// are required to be able to report which setting is in use.
|
||||
static uint8_t keyboard_protocol=1;
|
||||
|
||||
// the idle configuration, how often we send the report to the
|
||||
// host (ms * 4) even when it hasn't changed
|
||||
static uint8_t keyboard_idle_config=125;
|
||||
|
||||
// count until idle timeout
|
||||
static uint8_t keyboard_idle_count=0;
|
||||
|
||||
// 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
|
||||
volatile uint8_t keyboard_leds=0;
|
||||
|
||||
// which consumer key is currently pressed
|
||||
uint16_t consumer_key;
|
||||
uint16_t last_consumer_key;
|
||||
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* Public Functions - these are the API intended for the user
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
|
||||
// initialize USB
|
||||
void usb_init(void)
|
||||
{
|
||||
HW_CONFIG();
|
||||
USB_FREEZE(); // enable USB
|
||||
PLL_CONFIG(); // config PLL
|
||||
while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
|
||||
USB_CONFIG(); // start USB clock
|
||||
UDCON = 0; // enable attach resistor
|
||||
usb_configuration = 0;
|
||||
UDIEN = (1<<EORSTE)|(1<<SOFE);
|
||||
sei();
|
||||
}
|
||||
|
||||
// return 0 if the USB is not configured, or the configuration
|
||||
// number selected by the HOST
|
||||
uint8_t usb_configured(void)
|
||||
{
|
||||
return usb_configuration;
|
||||
}
|
||||
|
||||
|
||||
// perform a single keystroke
|
||||
int8_t usb_keyboard_press(uint8_t key, uint8_t modifier)
|
||||
{
|
||||
int8_t r;
|
||||
|
||||
keyboard_modifier_keys = modifier;
|
||||
keyboard_keys[0] = key;
|
||||
r = usb_keyboard_send();
|
||||
if (r) return r;
|
||||
keyboard_modifier_keys = 0;
|
||||
keyboard_keys[0] = 0;
|
||||
return usb_keyboard_send();
|
||||
}
|
||||
|
||||
// send the contents of keyboard_keys and keyboard_modifier_keys
|
||||
int8_t usb_keyboard_send(void)
|
||||
{
|
||||
uint8_t i, intr_state, timeout;
|
||||
|
||||
if (!usb_configuration) return -1;
|
||||
intr_state = SREG;
|
||||
cli();
|
||||
UENUM = KEYBOARD_ENDPOINT;
|
||||
timeout = UDFNUML + 50;
|
||||
while (1) {
|
||||
// are we ready to transmit?
|
||||
if (UEINTX & (1<<RWAL)) break;
|
||||
SREG = intr_state;
|
||||
// has the USB gone offline?
|
||||
if (!usb_configuration) return -1;
|
||||
// have we waited too long?
|
||||
if (UDFNUML == timeout) return -1;
|
||||
// get ready to try checking again
|
||||
intr_state = SREG;
|
||||
cli();
|
||||
UENUM = KEYBOARD_ENDPOINT;
|
||||
}
|
||||
UEDATX = keyboard_modifier_keys;
|
||||
UEDATX = 0;
|
||||
for (i=0; i<6; i++) {
|
||||
UEDATX = keyboard_keys[i];
|
||||
}
|
||||
UEINTX = 0x3A;
|
||||
keyboard_idle_count = 0;
|
||||
SREG = intr_state;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* Private Functions - not intended for general user consumption....
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
|
||||
|
||||
// USB Device Interrupt - handle all device-level events
|
||||
// the transmit buffer flushing is triggered by the start of frame
|
||||
//
|
||||
ISR(USB_GEN_vect)
|
||||
{
|
||||
uint8_t intbits, i; // used to declare a variable `t` as well, but it
|
||||
// wasn't used ::Ben Blazak, 2012::
|
||||
static uint8_t div4=0;
|
||||
|
||||
intbits = UDINT;
|
||||
UDINT = 0;
|
||||
if (intbits & (1<<EORSTI)) {
|
||||
UENUM = 0;
|
||||
UECONX = 1;
|
||||
UECFG0X = EP_TYPE_CONTROL;
|
||||
UECFG1X = EP_SIZE(ENDPOINT0_SIZE) | EP_SINGLE_BUFFER;
|
||||
UEIENX = (1<<RXSTPE);
|
||||
usb_configuration = 0;
|
||||
}
|
||||
if ((intbits & (1<<SOFI)) && usb_configuration) {
|
||||
if (keyboard_idle_config && (++div4 & 3) == 0) {
|
||||
UENUM = KEYBOARD_ENDPOINT;
|
||||
if (UEINTX & (1<<RWAL)) {
|
||||
keyboard_idle_count++;
|
||||
if (keyboard_idle_count == keyboard_idle_config) {
|
||||
keyboard_idle_count = 0;
|
||||
UEDATX = keyboard_modifier_keys;
|
||||
UEDATX = 0;
|
||||
for (i=0; i<6; i++) {
|
||||
UEDATX = keyboard_keys[i];
|
||||
}
|
||||
UEINTX = 0x3A;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
// Misc functions to wait for ready and send/receive packets
|
||||
static inline void usb_wait_in_ready(void)
|
||||
{
|
||||
while (!(UEINTX & (1<<TXINI))) ;
|
||||
}
|
||||
static inline void usb_send_in(void)
|
||||
{
|
||||
UEINTX = ~(1<<TXINI);
|
||||
}
|
||||
static inline void usb_wait_receive_out(void)
|
||||
{
|
||||
while (!(UEINTX & (1<<RXOUTI))) ;
|
||||
}
|
||||
static inline void usb_ack_out(void)
|
||||
{
|
||||
UEINTX = ~(1<<RXOUTI);
|
||||
}
|
||||
|
||||
|
||||
|
||||
// USB Endpoint Interrupt - endpoint 0 is handled here. The
|
||||
// other endpoints are manipulated by the user-callable
|
||||
// functions, and the start-of-frame interrupt.
|
||||
//
|
||||
ISR(USB_COM_vect)
|
||||
{
|
||||
uint8_t intbits;
|
||||
const uint8_t *list;
|
||||
const uint8_t *cfg;
|
||||
uint8_t i, n, len, en;
|
||||
uint8_t bmRequestType;
|
||||
uint8_t bRequest;
|
||||
uint16_t wValue;
|
||||
uint16_t wIndex;
|
||||
uint16_t wLength;
|
||||
uint16_t desc_val;
|
||||
const uint8_t *desc_addr;
|
||||
uint8_t desc_length;
|
||||
|
||||
UENUM = 0;
|
||||
intbits = UEINTX;
|
||||
if (intbits & (1<<RXSTPI)) {
|
||||
bmRequestType = UEDATX;
|
||||
bRequest = UEDATX;
|
||||
wValue = UEDATX;
|
||||
wValue |= (UEDATX << 8);
|
||||
wIndex = UEDATX;
|
||||
wIndex |= (UEDATX << 8);
|
||||
wLength = UEDATX;
|
||||
wLength |= (UEDATX << 8);
|
||||
UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI));
|
||||
if (bRequest == GET_DESCRIPTOR) {
|
||||
list = (const uint8_t *)descriptor_list;
|
||||
for (i=0; ; i++) {
|
||||
if (i >= NUM_DESC_LIST) {
|
||||
UECONX = (1<<STALLRQ)|(1<<EPEN); //stall
|
||||
return;
|
||||
}
|
||||
desc_val = pgm_read_word(list);
|
||||
if (desc_val != wValue) {
|
||||
list += sizeof(struct descriptor_list_struct);
|
||||
continue;
|
||||
}
|
||||
list += 2;
|
||||
desc_val = pgm_read_word(list);
|
||||
if (desc_val != wIndex) {
|
||||
list += sizeof(struct descriptor_list_struct)-2;
|
||||
continue;
|
||||
}
|
||||
list += 2;
|
||||
desc_addr = (const uint8_t *)pgm_read_word(list);
|
||||
list += 2;
|
||||
desc_length = pgm_read_byte(list);
|
||||
break;
|
||||
}
|
||||
len = (wLength < 256) ? wLength : 255;
|
||||
if (len > desc_length) len = desc_length;
|
||||
do {
|
||||
// wait for host ready for IN packet
|
||||
do {
|
||||
i = UEINTX;
|
||||
} while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
|
||||
if (i & (1<<RXOUTI)) return; // abort
|
||||
// send IN packet
|
||||
n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
|
||||
for (i = n; i; i--) {
|
||||
UEDATX = pgm_read_byte(desc_addr++);
|
||||
}
|
||||
len -= n;
|
||||
usb_send_in();
|
||||
} while (len || n == ENDPOINT0_SIZE);
|
||||
return;
|
||||
}
|
||||
if (bRequest == SET_ADDRESS) {
|
||||
usb_send_in();
|
||||
usb_wait_in_ready();
|
||||
UDADDR = wValue | (1<<ADDEN);
|
||||
return;
|
||||
}
|
||||
if (bRequest == SET_CONFIGURATION && bmRequestType == 0) {
|
||||
usb_configuration = wValue;
|
||||
usb_send_in();
|
||||
cfg = endpoint_config_table;
|
||||
for (i=1; i<5; i++) {
|
||||
UENUM = i;
|
||||
en = pgm_read_byte(cfg++);
|
||||
UECONX = en;
|
||||
if (en) {
|
||||
UECFG0X = pgm_read_byte(cfg++);
|
||||
UECFG1X = pgm_read_byte(cfg++);
|
||||
}
|
||||
}
|
||||
UERST = 0x1E;
|
||||
UERST = 0;
|
||||
return;
|
||||
}
|
||||
if (bRequest == GET_CONFIGURATION && bmRequestType == 0x80) {
|
||||
usb_wait_in_ready();
|
||||
UEDATX = usb_configuration;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
|
||||
if (bRequest == GET_STATUS) {
|
||||
usb_wait_in_ready();
|
||||
i = 0;
|
||||
#ifdef SUPPORT_ENDPOINT_HALT
|
||||
if (bmRequestType == 0x82) {
|
||||
UENUM = wIndex;
|
||||
if (UECONX & (1<<STALLRQ)) i = 1;
|
||||
UENUM = 0;
|
||||
}
|
||||
#endif
|
||||
UEDATX = i;
|
||||
UEDATX = 0;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
#ifdef SUPPORT_ENDPOINT_HALT
|
||||
if ((bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE)
|
||||
&& bmRequestType == 0x02 && wValue == 0) {
|
||||
i = wIndex & 0x7F;
|
||||
if (i >= 1 && i <= MAX_ENDPOINT) {
|
||||
usb_send_in();
|
||||
UENUM = i;
|
||||
if (bRequest == SET_FEATURE) {
|
||||
UECONX = (1<<STALLRQ)|(1<<EPEN);
|
||||
} else {
|
||||
UECONX = (1<<STALLRQC)|(1<<RSTDT)|(1<<EPEN);
|
||||
UERST = (1 << i);
|
||||
UERST = 0;
|
||||
}
|
||||
return;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
if (wIndex == KEYBOARD_INTERFACE) {
|
||||
if (bmRequestType == 0xA1) {
|
||||
if (bRequest == HID_GET_REPORT) {
|
||||
usb_wait_in_ready();
|
||||
UEDATX = keyboard_modifier_keys;
|
||||
UEDATX = 0;
|
||||
for (i=0; i<6; i++) {
|
||||
UEDATX = keyboard_keys[i];
|
||||
}
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
if (bRequest == HID_GET_IDLE) {
|
||||
usb_wait_in_ready();
|
||||
UEDATX = keyboard_idle_config;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
if (bRequest == HID_GET_PROTOCOL) {
|
||||
usb_wait_in_ready();
|
||||
UEDATX = keyboard_protocol;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
}
|
||||
if (bmRequestType == 0x21) {
|
||||
if (bRequest == HID_SET_REPORT) {
|
||||
usb_wait_receive_out();
|
||||
keyboard_leds = UEDATX;
|
||||
usb_ack_out();
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
if (bRequest == HID_SET_IDLE) {
|
||||
keyboard_idle_config = (wValue >> 8);
|
||||
keyboard_idle_count = 0;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
if (bRequest == HID_SET_PROTOCOL) {
|
||||
keyboard_protocol = wValue;
|
||||
usb_send_in();
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
UECONX = (1<<STALLRQ) | (1<<EPEN); // stall
|
||||
}
|
||||
|
||||
int8_t usb_extra_send(uint8_t report_id, uint16_t data)
|
||||
{
|
||||
uint8_t intr_state, timeout;
|
||||
|
||||
if (!usb_configured()) return -1;
|
||||
intr_state = SREG;
|
||||
cli();
|
||||
UENUM = EXTRA_ENDPOINT;
|
||||
timeout = UDFNUML + 50;
|
||||
while (1) {
|
||||
// are we ready to transmit?
|
||||
if (UEINTX & (1<<RWAL)) break;
|
||||
SREG = intr_state;
|
||||
// has the USB gone offline?
|
||||
if (!usb_configured()) return -1;
|
||||
// have we waited too long?
|
||||
if (UDFNUML == timeout) return -1;
|
||||
// get ready to try checking again
|
||||
intr_state = SREG;
|
||||
cli();
|
||||
UENUM = EXTRA_ENDPOINT;
|
||||
}
|
||||
|
||||
UEDATX = report_id;
|
||||
UEDATX = data&0xFF;
|
||||
UEDATX = (data>>8)&0xFF;
|
||||
|
||||
UEINTX = 0x3A;
|
||||
SREG = intr_state;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int8_t usb_extra_consumer_send()
|
||||
{
|
||||
int result = 0;
|
||||
// don't resend the same key repeatedly if held, only send it once.
|
||||
if (consumer_key != last_consumer_key) {
|
||||
result = usb_extra_send(REPORT_ID_CONSUMER, consumer_key);
|
||||
if (result == 0) {
|
||||
last_consumer_key = consumer_key;
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
|
@ -1,127 +0,0 @@
|
|||
#pragma once
|
||||
|
||||
#include <avr/io.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <stdint.h>
|
||||
|
||||
void usb_init(void); // initialize everything
|
||||
uint8_t usb_configured(void); // is the USB port configured
|
||||
|
||||
int8_t usb_keyboard_press(uint8_t key, uint8_t modifier);
|
||||
int8_t usb_keyboard_send(void);
|
||||
extern uint8_t keyboard_modifier_keys;
|
||||
extern uint8_t keyboard_keys[6];
|
||||
extern volatile uint8_t keyboard_leds;
|
||||
|
||||
extern uint16_t consumer_key;
|
||||
|
||||
// This file does not include the HID debug functions, so these empty
|
||||
// macros replace them with nothing, so users can compile code that
|
||||
// has calls to these functions.
|
||||
#define usb_debug_putchar(c)
|
||||
#define usb_debug_flush_output()
|
||||
|
||||
int8_t usb_extra_consumer_send();
|
||||
|
||||
/* Consumer Page(0x0C)
|
||||
* following are supported by Windows: http://msdn.microsoft.com/en-us/windows/hardware/gg463372.aspx
|
||||
*/
|
||||
#define AUDIO_MUTE 0x00E2
|
||||
#define AUDIO_VOL_UP 0x00E9
|
||||
#define AUDIO_VOL_DOWN 0x00EA
|
||||
#define TRANSPORT_NEXT_TRACK 0x00B5
|
||||
#define TRANSPORT_PREV_TRACK 0x00B6
|
||||
#define TRANSPORT_STOP 0x00B7
|
||||
#define TRANSPORT_PLAY_PAUSE 0x00CD
|
||||
/* application launch */
|
||||
#define AL_CC_CONFIG 0x0183
|
||||
#define AL_EMAIL 0x018A
|
||||
#define AL_CALCULATOR 0x0192
|
||||
#define AL_LOCAL_BROWSER 0x0194
|
||||
/* application control */
|
||||
#define AC_SEARCH 0x0221
|
||||
#define AC_HOME 0x0223
|
||||
#define AC_BACK 0x0224
|
||||
#define AC_FORWARD 0x0225
|
||||
#define AC_STOP 0x0226
|
||||
#define AC_REFRESH 0x0227
|
||||
#define AC_BOOKMARKS 0x022A
|
||||
/* supplement for Bluegiga iWRAP HID(not supported by Windows?) */
|
||||
#define AL_LOCK 0x019E
|
||||
#define TRANSPORT_RECORD 0x00B2
|
||||
#define TRANSPORT_REWIND 0x00B4
|
||||
#define TRANSPORT_EJECT 0x00B8
|
||||
#define AC_MINIMIZE 0x0206
|
||||
|
||||
/* Generic Desktop Page(0x01) - system power control */
|
||||
#define SYSTEM_POWER_DOWN 0x0081
|
||||
#define SYSTEM_SLEEP 0x0082
|
||||
#define SYSTEM_WAKE_UP 0x0083
|
||||
|
||||
// Everything below this point is only intended for usb_serial.c
|
||||
|
||||
#define EP_TYPE_CONTROL 0x00
|
||||
#define EP_TYPE_BULK_IN 0x81
|
||||
#define EP_TYPE_BULK_OUT 0x80
|
||||
#define EP_TYPE_INTERRUPT_IN 0xC1
|
||||
#define EP_TYPE_INTERRUPT_OUT 0xC0
|
||||
#define EP_TYPE_ISOCHRONOUS_IN 0x41
|
||||
#define EP_TYPE_ISOCHRONOUS_OUT 0x40
|
||||
|
||||
#define EP_SINGLE_BUFFER 0x02
|
||||
#define EP_DOUBLE_BUFFER 0x06
|
||||
|
||||
#define EP_SIZE(s) ((s) == 64 ? 0x30 : \
|
||||
((s) == 32 ? 0x20 : \
|
||||
((s) == 16 ? 0x10 : \
|
||||
0x00)))
|
||||
|
||||
#define MAX_ENDPOINT 4
|
||||
|
||||
#define LSB(n) (n & 255)
|
||||
#define MSB(n) ((n >> 8) & 255)
|
||||
|
||||
#if defined(__AVR_AT90USB162__)
|
||||
#define HW_CONFIG()
|
||||
#define PLL_CONFIG() (PLLCSR = ((1<<PLLE)|(1<<PLLP0)))
|
||||
#define USB_CONFIG() (USBCON = (1<<USBE))
|
||||
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
|
||||
#elif defined(__AVR_ATmega32U4__)
|
||||
#define HW_CONFIG() (UHWCON = 0x01)
|
||||
#define PLL_CONFIG() (PLLCSR = 0x12)
|
||||
#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
|
||||
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
|
||||
#elif defined(__AVR_AT90USB646__)
|
||||
#define HW_CONFIG() (UHWCON = 0x81)
|
||||
#define PLL_CONFIG() (PLLCSR = 0x1A)
|
||||
#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
|
||||
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
|
||||
#elif defined(__AVR_AT90USB1286__)
|
||||
#define HW_CONFIG() (UHWCON = 0x81)
|
||||
#define PLL_CONFIG() (PLLCSR = 0x16)
|
||||
#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
|
||||
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
|
||||
#endif
|
||||
|
||||
// standard control endpoint request types
|
||||
#define GET_STATUS 0
|
||||
#define CLEAR_FEATURE 1
|
||||
#define SET_FEATURE 3
|
||||
#define SET_ADDRESS 5
|
||||
#define GET_DESCRIPTOR 6
|
||||
#define GET_CONFIGURATION 8
|
||||
#define SET_CONFIGURATION 9
|
||||
#define GET_INTERFACE 10
|
||||
#define SET_INTERFACE 11
|
||||
// HID (human interface device)
|
||||
#define HID_GET_REPORT 1
|
||||
#define HID_GET_IDLE 2
|
||||
#define HID_GET_PROTOCOL 3
|
||||
#define HID_SET_REPORT 9
|
||||
#define HID_SET_IDLE 10
|
||||
#define HID_SET_PROTOCOL 11
|
||||
// CDC (communication class device)
|
||||
#define CDC_SET_LINE_CODING 0x20
|
||||
#define CDC_GET_LINE_CODING 0x21
|
||||
#define CDC_SET_CONTROL_LINE_STATE 0x22
|
|
@ -289,3 +289,38 @@
|
|||
#define MEDIAKEY_BROWSER_STOP 18
|
||||
#define MEDIAKEY_BROWSER_REFRESH 19
|
||||
#define MEDIAKEY_BROWSER_BOOKMARKS 20
|
||||
|
||||
/* Consumer Page(0x0C)
|
||||
* following are supported by Windows: http://msdn.microsoft.com/en-us/windows/hardware/gg463372.aspx
|
||||
*/
|
||||
#define AUDIO_MUTE 0x00E2
|
||||
#define AUDIO_VOL_UP 0x00E9
|
||||
#define AUDIO_VOL_DOWN 0x00EA
|
||||
#define TRANSPORT_NEXT_TRACK 0x00B5
|
||||
#define TRANSPORT_PREV_TRACK 0x00B6
|
||||
#define TRANSPORT_STOP 0x00B7
|
||||
#define TRANSPORT_PLAY_PAUSE 0x00CD
|
||||
/* application launch */
|
||||
#define AL_CC_CONFIG 0x0183
|
||||
#define AL_EMAIL 0x018A
|
||||
#define AL_CALCULATOR 0x0192
|
||||
#define AL_LOCAL_BROWSER 0x0194
|
||||
/* application control */
|
||||
#define AC_SEARCH 0x0221
|
||||
#define AC_HOME 0x0223
|
||||
#define AC_BACK 0x0224
|
||||
#define AC_FORWARD 0x0225
|
||||
#define AC_STOP 0x0226
|
||||
#define AC_REFRESH 0x0227
|
||||
#define AC_BOOKMARKS 0x022A
|
||||
/* supplement for Bluegiga iWRAP HID(not supported by Windows?) */
|
||||
#define AL_LOCK 0x019E
|
||||
#define TRANSPORT_RECORD 0x00B2
|
||||
#define TRANSPORT_REWIND 0x00B4
|
||||
#define TRANSPORT_EJECT 0x00B8
|
||||
#define AC_MINIMIZE 0x0206
|
||||
|
||||
/* Generic Desktop Page(0x01) - system power control */
|
||||
#define SYSTEM_POWER_DOWN 0x0081
|
||||
#define SYSTEM_SLEEP 0x0082
|
||||
#define SYSTEM_WAKE_UP 0x0083
|
||||
|
|
|
@ -14,7 +14,6 @@
|
|||
#include <stdint.h>
|
||||
#include "../main.h"
|
||||
#include "../keyboard/layout.h"
|
||||
#include "../lib-other/pjrc/usb_keyboard/usb_keyboard.h"
|
||||
#include "../lib/keyboard.h"
|
||||
|
||||
// --------------------------------------------------------------------
|
||||
|
|
|
@ -11,7 +11,6 @@
|
|||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include <util/delay.h>
|
||||
#include "./lib-other/pjrc/usb_keyboard/usb_keyboard.h"
|
||||
#include "./lib/keyfunctions.h"
|
||||
#include "./keyboard/controller.h"
|
||||
#include "./keyboard/layout.h"
|
||||
|
|
Loading…
Reference in New Issue