/* USB Keyboard and CDC Serial Device for Teensy USB Development Board * Copyright (c) 2009 PJRC.COM, LLC * Modifications by Jacob Alexander (2011-2015) * * 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. */ #pragma once // ----- Includes ----- // Compiler Includes #include // AVR Includes #include #include #include #include // AVR Util Includes #include // Local Includes #include "output_com.h" // ----- Function Declarations ----- // Basic USB Configuration uint8_t usb_init(); // initialize everything uint8_t usb_configured(); // is the USB port configured // Keyboard HID Functions void usb_keyboard_send(); // Chip Level Functions void usb_device_reload(); // Enable firmware reflash mode // USB Serial CDC Functions int16_t usb_serial_getchar(); // receive a character (-1 if timeout/error) uint8_t usb_serial_available(); // number of bytes in receive buffer void usb_serial_flush_input(); // discard any buffered input // transmitting data int8_t usb_serial_putchar(uint8_t c); // transmit a character int8_t usb_serial_putchar_nowait(uint8_t c); // transmit a character, do not wait int8_t usb_serial_write(const char *buffer, uint16_t size); // transmit a buffer void usb_serial_flush_output(); // immediately transmit any buffered output // serial parameters uint32_t usb_serial_get_baud(); // get the baud rate uint8_t usb_serial_get_stopbits(); // get the number of stop bits uint8_t usb_serial_get_paritytype(); // get the parity type uint8_t usb_serial_get_numbits(); // get the number of data bits uint8_t usb_serial_get_control(); // get the RTS and DTR signal state int8_t usb_serial_set_control(uint8_t signals); // set DSR, DCD, RI, etc // ----- Macros ----- // Software reset the chip #define usb_device_software_reset() do { wdt_enable( WDTO_15MS ); for(;;); } while(0) // See EPSIZE -> UECFG1X - 128 and 256 bytes are for endpoint 1 only #define EP_SIZE(s) ((s) == 256 ? 0x50 : \ ((s) == 128 ? 0x40 : \ ((s) == 64 ? 0x30 : \ ((s) == 32 ? 0x20 : \ ((s) == 16 ? 0x10 : \ 0x00))))) #define LSB(n) (n & 255) #define MSB(n) ((n >> 8) & 255) // ----- Defines ----- // constants corresponding to the various serial parameters #define USB_SERIAL_DTR 0x01 #define USB_SERIAL_RTS 0x02 #define USB_SERIAL_1_STOP 0 #define USB_SERIAL_1_5_STOP 1 #define USB_SERIAL_2_STOP 2 #define USB_SERIAL_PARITY_NONE 0 #define USB_SERIAL_PARITY_ODD 1 #define USB_SERIAL_PARITY_EVEN 2 #define USB_SERIAL_PARITY_MARK 3 #define USB_SERIAL_PARITY_SPACE 4 #define USB_SERIAL_DCD 0x01 #define USB_SERIAL_DSR 0x02 #define USB_SERIAL_BREAK 0x04 #define USB_SERIAL_RI 0x08 #define USB_SERIAL_FRAME_ERR 0x10 #define USB_SERIAL_PARITY_ERR 0x20 #define USB_SERIAL_OVERRUN_ERR 0x40 #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 MAX_ENDPOINT 4 #if defined(__AVR_AT90USB162__) #define HW_CONFIG() #define PLL_CONFIG() (PLLCSR = ((1< + + + #define CONFIG1_DESC_SIZE (9 + 9+9+7 + 9+9+7 + 8+9+5+5+4+5+7+9+7+7) #define KEYBOARD_HID_DESC_OFFSET (9 + 9) #define KEYBOARD_NKRO_HID_DESC_OFFSET (9 + 9+9+7 + 9) #define SERIAL_CDC_DESC_OFFSET (9 + 9+9+7 + 9+9+7) static const uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = { // --- Configuration --- // - 9 bytes - // 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), 4, // bNumInterfaces 1, // bConfigurationValue 0, // iConfiguration 0x80, // bmAttributes 250, // bMaxPower // --- Keyboard HID --- // - 9 bytes - // 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 (0x00 = Non-Boot, 0x01 = Boot) 0x01, // bInterfaceProtocol (0x01 = Keyboard) 0, // iInterface // - 9 bytes - // HID interface descriptor, HID 1.11 spec, section 6.2.1 9, // bLength 0x21, // bDescriptorType 0x11, 0x01, // bcdHID 0, // bCountryCode - Setting to 0/Undefined 1, // bNumDescriptors 0x22, // bDescriptorType LSB(sizeof(keyboard_hid_report_desc)), // wDescriptorLength MSB(sizeof(keyboard_hid_report_desc)), // - 7 bytes - // 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 1, // bInterval // --- NKRO Keyboard HID --- // - 9 bytes - // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 9, // bLength 4, // bDescriptorType KEYBOARD_NKRO_INTERFACE, // bInterfaceNumber 0, // bAlternateSetting 1, // bNumEndpoints 0x03, // bInterfaceClass (0x03 = HID) 0x00, // bInterfaceSubClass (0x00 = Non-Boot, 0x01 = Boot) 0x01, // bInterfaceProtocol (0x01 = Keyboard) 0, // iInterface // - 9 bytes - // HID interface descriptor, HID 1.11 spec, section 6.2.1 9, // bLength 0x21, // bDescriptorType 0x11, 0x01, // bcdHID 0, // bCountryCode - Setting to 0/Undefined 1, // bNumDescriptors 0x22, // bDescriptorType // wDescriptorLength LSB(sizeof(keyboard_nkro_hid_report_desc)), MSB(sizeof(keyboard_nkro_hid_report_desc)), // - 7 bytes - // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 7, // bLength 5, // bDescriptorType KEYBOARD_NKRO_ENDPOINT | 0x80, // bEndpointAddress 0x03, // bmAttributes (0x03=intr) KEYBOARD_NKRO_SIZE, 0, // wMaxPacketSize 1, // bInterval // --- Serial CDC --- // - 8 bytes - // interface association descriptor, USB ECN, Table 9-Z 8, // bLength 11, // bDescriptorType CDC_STATUS_INTERFACE, // bFirstInterface 2, // bInterfaceCount 0x02, // bFunctionClass 0x02, // bFunctionSubClass 0x01, // bFunctionProtocol 4, // iFunction // - 9 bytes - // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 9, // bLength 4, // bDescriptorType CDC_STATUS_INTERFACE, // bInterfaceNumber 0, // bAlternateSetting 1, // bNumEndpoints 0x02, // bInterfaceClass 0x02, // bInterfaceSubClass 0x01, // bInterfaceProtocol 0, // iInterface // - 5 bytes - // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26 5, // bFunctionLength 0x24, // bDescriptorType 0x00, // bDescriptorSubtype 0x10, 0x01, // bcdCDC // - 5 bytes - // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27 5, // bFunctionLength 0x24, // bDescriptorType 0x01, // bDescriptorSubtype 0x01, // bmCapabilities 1, // bDataInterface // - 4 bytes - // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28 4, // bFunctionLength 0x24, // bDescriptorType 0x02, // bDescriptorSubtype 0x06, // bmCapabilities // - 5 bytes - // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33 5, // bFunctionLength 0x24, // bDescriptorType 0x06, // bDescriptorSubtype CDC_STATUS_INTERFACE, // bMasterInterface CDC_DATA_INTERFACE, // bSlaveInterface0 // - 7 bytes - // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 7, // bLength 5, // bDescriptorType CDC_ACM_ENDPOINT | 0x80, // bEndpointAddress 0x03, // bmAttributes (0x03=intr) CDC_ACM_SIZE, 0, // wMaxPacketSize 64, // bInterval // - 9 bytes - // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 9, // bLength 4, // bDescriptorType CDC_DATA_INTERFACE, // bInterfaceNumber 0, // bAlternateSetting 2, // bNumEndpoints 0x0A, // bInterfaceClass 0x00, // bInterfaceSubClass 0x00, // bInterfaceProtocol 0, // iInterface // - 7 bytes - // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 7, // bLength 5, // bDescriptorType CDC_RX_ENDPOINT, // bEndpointAddress 0x02, // bmAttributes (0x02=bulk) CDC_RX_SIZE, 0, // wMaxPacketSize 0, // bInterval // - 7 bytes - // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 7, // bLength 5, // bDescriptorType CDC_TX_ENDPOINT | 0x80, // bEndpointAddress 0x02, // bmAttributes (0x02=bulk) CDC_TX_SIZE, 0, // wMaxPacketSize 0, // bInterval }; // Configuration Endpoint (0) Descriptor 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 }; static const struct usb_string_descriptor_struct PROGMEM string3 = { sizeof(STR_SERIAL), 3, STR_SERIAL }; // This table defines which descriptor data is sent for each specific // request from the host (in wValue and wIndex). static const struct descriptor_list_struct { uint16_t wValue; uint16_t wIndex; const uint8_t *addr; uint8_t length; } PROGMEM descriptor_list[] = { {0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)}, {0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)}, {0x0600, 0x0000, device_qualifier_descriptor, sizeof(device_qualifier_descriptor)}, {0x0A00, 0x0000, usb_debug_descriptor, sizeof(usb_debug_descriptor)}, {0x2200, KEYBOARD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)}, {0x2100, KEYBOARD_INTERFACE, config1_descriptor + KEYBOARD_HID_DESC_OFFSET, 9}, {0x2200, KEYBOARD_NKRO_INTERFACE, keyboard_nkro_hid_report_desc, sizeof(keyboard_nkro_hid_report_desc)}, {0x2100, KEYBOARD_NKRO_INTERFACE, config1_descriptor + KEYBOARD_NKRO_HID_DESC_OFFSET, 9}, {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)}, {0x0303, 0x0409, (const uint8_t *)&string3, sizeof(STR_SERIAL)} }; #define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct))