Initial commit.
This commit is contained in:
Phil Hagelberg
commit
da2d5ef791
|
|
@ -0,0 +1,4 @@
|
|||
*.o
|
||||
*.elf
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||||
*.s
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||||
*.hex
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||||
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@ -0,0 +1,30 @@
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|||
MCU=atmega32u4
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||||
|
||||
F_CPU=16000000
|
||||
|
||||
TARGET=menelaus
|
||||
|
||||
USB_DEVICE=/dev/ttyACM0
|
||||
|
||||
build: $(TARGET).hex
|
||||
|
||||
upload: $(TARGET).hex
|
||||
while [ ! -r $(USB_DEVICE) ]; do sleep 1; done; \
|
||||
avrdude -p $(MCU) -c avr109 -U flash:w:$(TARGET).hex -P $(USB_DEVICE)
|
||||
|
||||
clean:
|
||||
-rm -f $(TARGET){,.hex} *.o *.elf *.s
|
||||
|
||||
$(TARGET).hex: $(TARGET).elf
|
||||
avr-size $(TARGET).elf
|
||||
avr-objcopy --output-target=ihex $(TARGET).elf $(TARGET).hex
|
||||
|
||||
%.s: %.scm
|
||||
microscheme -m LEO $(TARGET).scm
|
||||
|
||||
%.elf: %.s usb_keyboard.s
|
||||
avr-gcc -mmcu=$(MCU) -o $(TARGET).elf $(TARGET).s usb_keyboard.s
|
||||
|
||||
usb_keyboard.s: usb_keyboard.h usb_keyboard.c
|
||||
avr-gcc -std=gnu99 -S -D F_CPU=$(F_CPU)UL -mmcu=$(MCU) -c \
|
||||
-o usb_keyboard.s usb_keyboard.c
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||||
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@ -0,0 +1,14 @@
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|||
# Menelaus
|
||||
|
||||
A keyboard firmware for
|
||||
[Atmega32u4](http://www.atmel.com/devices/ATMEGA32U4.aspx), written in
|
||||
[Microscheme](http://microscheme.org).
|
||||
|
||||
Written one step at a time. Requires microscheme newer than 0.8; at
|
||||
the time of this writing only available on git master.
|
||||
|
||||
## License
|
||||
|
||||
Copyright © 2014 Phil Hagelberg and contributors
|
||||
|
||||
Released under the [GNU GPL version 3](https://www.gnu.org/licenses/gpl.html).
|
||||
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|
@ -0,0 +1,29 @@
|
|||
;; port of usb_keyboard.h
|
||||
|
||||
(define key-a 4)
|
||||
(define key-b 5)
|
||||
(define key-c 6)
|
||||
(define key-d 7)
|
||||
(define key-e 8)
|
||||
(define key-f 9)
|
||||
(define key-g 10)
|
||||
(define key-h 11)
|
||||
(define key-i 12)
|
||||
(define key-j 13)
|
||||
(define key-k 14)
|
||||
(define key-l 15)
|
||||
(define key-m 16)
|
||||
(define key-n 17)
|
||||
(define key-o 18)
|
||||
(define key-p 19)
|
||||
(define key-q 20)
|
||||
(define key-r 21)
|
||||
(define key-s 22)
|
||||
(define key-t 23)
|
||||
(define key-u 24)
|
||||
(define key-v 25)
|
||||
(define key-w 26)
|
||||
(define key-x 27)
|
||||
(define key-y 28)
|
||||
(define key-z 29)
|
||||
(define key-semicolon 51)
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
;; -*- scheme -*-
|
||||
|
||||
;; menelaus.scm
|
||||
|
||||
(define (loop)
|
||||
(if (low? 11)
|
||||
(call-c-func "usb_send" 0 4 0 0 0 0 0)
|
||||
(call-c-func "usb_send" 0 0 0 0 0 0 0))
|
||||
(loop))
|
||||
|
||||
(define (init)
|
||||
(input 11)
|
||||
(high 11) ; activate pullup resistor
|
||||
(call-c-func "usb_init")
|
||||
(pause 200))
|
||||
|
||||
(init)
|
||||
(loop)
|
||||
|
|
@ -0,0 +1,603 @@
|
|||
/* 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
|
||||
|
||||
#define USB_SERIAL_PRIVATE_INCLUDE
|
||||
#include "usb_keyboard.h"
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* Configurable Options
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
// You can change these to give your code its own name.
|
||||
#define STR_MANUFACTURER L"Technomancy"
|
||||
#define STR_PRODUCT L"Atreus"
|
||||
|
||||
|
||||
// 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 0x16C0
|
||||
#define PRODUCT_ID 0x047C
|
||||
|
||||
|
||||
// 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
|
||||
|
||||
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* Endpoint Buffer Configuration
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
#define ENDPOINT0_SIZE 32
|
||||
|
||||
#define KEYBOARD_INTERFACE 0
|
||||
#define KEYBOARD_ENDPOINT 3
|
||||
#define KEYBOARD_SIZE 8
|
||||
#define KEYBOARD_BUFFER EP_DOUBLE_BUFFER
|
||||
|
||||
static const uint8_t PROGMEM endpoint_config_table[] = {
|
||||
0,
|
||||
0,
|
||||
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KEYBOARD_SIZE) | KEYBOARD_BUFFER,
|
||||
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 uint8_t const 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 uint8_t const 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, 0x68, // Logical Maximum(104),
|
||||
0x05, 0x07, // Usage Page (Key Codes),
|
||||
0x19, 0x00, // Usage Minimum (0),
|
||||
0x29, 0x68, // Usage Maximum (104),
|
||||
0x81, 0x00, // Input (Data, Array),
|
||||
0xc0 // End Collection
|
||||
};
|
||||
|
||||
#define CONFIG1_DESC_SIZE (9+9+9+7)
|
||||
#define KEYBOARD_HID_DESC_OFFSET (9+9)
|
||||
static uint8_t const 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),
|
||||
1, // 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 interface 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
|
||||
1 // 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 struct usb_string_descriptor_struct const PROGMEM string0 = {
|
||||
4,
|
||||
3,
|
||||
{0x0409}
|
||||
};
|
||||
static struct usb_string_descriptor_struct const PROGMEM string1 = {
|
||||
sizeof(STR_MANUFACTURER),
|
||||
3,
|
||||
STR_MANUFACTURER
|
||||
};
|
||||
static struct usb_string_descriptor_struct const 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[] = {
|
||||
{0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
|
||||
{0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)},
|
||||
{0x2200, KEYBOARD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)},
|
||||
{0x2100, KEYBOARD_INTERFACE, config1_descriptor+KEYBOARD_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)}
|
||||
};
|
||||
#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;
|
||||
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* 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;
|
||||
}
|
||||
|
||||
// my own wrapper, mangled to work with the PoC microsheme FFI
|
||||
int16_t usb_send(int modifiers, int key0, int key1, int key2,
|
||||
int key3, int key4, int key5) {
|
||||
keyboard_modifier_keys = (uint8_t) modifiers;
|
||||
keyboard_keys[0] = (uint8_t)key0;
|
||||
keyboard_keys[1] = (uint8_t)key1;
|
||||
keyboard_keys[2] = (uint8_t)key2;
|
||||
keyboard_keys[3] = (uint8_t)key3;
|
||||
keyboard_keys[4] = (uint8_t)key4;
|
||||
keyboard_keys[5] = (uint8_t)key5;
|
||||
return usb_keyboard_send();
|
||||
}
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* 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, t, i;
|
||||
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
|
||||
}
|
||||
|
|
@ -0,0 +1,329 @@
|
|||
#ifndef usb_serial_h__
|
||||
#define usb_serial_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;
|
||||
|
||||
// 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()
|
||||
|
||||
|
||||
#define KEY_CTRL 0x01
|
||||
#define KEY_SHIFT 0x02
|
||||
#define KEY_ALT 0x04
|
||||
#define KEY_GUI 0x08
|
||||
#define KEY_LEFT_CTRL 0x01
|
||||
#define KEY_LEFT_SHIFT 0x02
|
||||
#define KEY_LEFT_ALT 0x04
|
||||
#define KEY_LEFT_GUI 0x08
|
||||
#define KEY_RIGHT_CTRL 0x10
|
||||
#define KEY_RIGHT_SHIFT 0x20
|
||||
#define KEY_RIGHT_ALT 0x40
|
||||
#define KEY_RIGHT_GUI 0x80
|
||||
|
||||
#define KEY_A 4
|
||||
#define KEY_B 5
|
||||
#define KEY_C 6
|
||||
#define KEY_D 7
|
||||
#define KEY_E 8
|
||||
#define KEY_F 9
|
||||
#define KEY_G 10
|
||||
#define KEY_H 11
|
||||
#define KEY_I 12
|
||||
#define KEY_J 13
|
||||
#define KEY_K 14
|
||||
#define KEY_L 15
|
||||
#define KEY_M 16
|
||||
#define KEY_N 17
|
||||
#define KEY_O 18
|
||||
#define KEY_P 19
|
||||
#define KEY_Q 20
|
||||
#define KEY_R 21
|
||||
#define KEY_S 22
|
||||
#define KEY_T 23
|
||||
#define KEY_U 24
|
||||
#define KEY_V 25
|
||||
#define KEY_W 26
|
||||
#define KEY_X 27
|
||||
#define KEY_Y 28
|
||||
#define KEY_Z 29
|
||||
#define KEY_1 30
|
||||
#define KEY_2 31
|
||||
#define KEY_3 32
|
||||
#define KEY_4 33
|
||||
#define KEY_5 34
|
||||
#define KEY_6 35
|
||||
#define KEY_7 36
|
||||
#define KEY_8 37
|
||||
#define KEY_9 38
|
||||
#define KEY_0 39
|
||||
#define KEY_ENTER 40
|
||||
#define KEY_ESC 41
|
||||
#define KEY_BACKSPACE 42
|
||||
#define KEY_TAB 43
|
||||
#define KEY_SPACE 44
|
||||
#define KEY_MINUS 45
|
||||
#define KEY_EQUAL 46
|
||||
#define KEY_LEFT_BRACE 47
|
||||
#define KEY_RIGHT_BRACE 48
|
||||
#define KEY_BACKSLASH 49
|
||||
#define KEY_NUMBER 50
|
||||
#define KEY_SEMICOLON 51
|
||||
#define KEY_QUOTE 52
|
||||
#define KEY_TILDE 53
|
||||
#define KEY_COMMA 54
|
||||
#define KEY_PERIOD 55
|
||||
#define KEY_SLASH 56
|
||||
#define KEY_CAPS_LOCK 57
|
||||
#define KEY_F1 58
|
||||
#define KEY_F2 59
|
||||
#define KEY_F3 60
|
||||
#define KEY_F4 61
|
||||
#define KEY_F5 62
|
||||
#define KEY_F6 63
|
||||
#define KEY_F7 64
|
||||
#define KEY_F8 65
|
||||
#define KEY_F9 66
|
||||
#define KEY_F10 67
|
||||
#define KEY_F11 68
|
||||
#define KEY_F12 69
|
||||
#define KEY_PRINTSCREEN 70
|
||||
#define KEY_SCROLL_LOCK 71
|
||||
#define KEY_PAUSE 72
|
||||
#define KEY_INSERT 73
|
||||
#define KEY_HOME 74
|
||||
#define KEY_PAGE_UP 75
|
||||
#define KEY_DELETE 76
|
||||
#define KEY_END 77
|
||||
#define KEY_PAGE_DOWN 78
|
||||
#define KEY_RIGHT 79
|
||||
#define KEY_LEFT 80
|
||||
#define KEY_DOWN 81
|
||||
#define KEY_UP 82
|
||||
#define KEY_NUM_LOCK 83
|
||||
#define KEYPAD_SLASH 84
|
||||
#define KEYPAD_ASTERIX 85
|
||||
#define KEYPAD_MINUS 86
|
||||
#define KEYPAD_PLUS 87
|
||||
#define KEYPAD_ENTER 88
|
||||
#define KEYPAD_1 89
|
||||
#define KEYPAD_2 90
|
||||
#define KEYPAD_3 91
|
||||
#define KEYPAD_4 92
|
||||
#define KEYPAD_5 93
|
||||
#define KEYPAD_6 94
|
||||
#define KEYPAD_7 95
|
||||
#define KEYPAD_8 96
|
||||
#define KEYPAD_9 97
|
||||
#define KEYPAD_0 98
|
||||
#define KEYPAD_PERIOD 99
|
||||
#define KEYBOARD_NON_US_SLASH_PIPE 100
|
||||
#define KEYBOARD_APPLICATION 101
|
||||
#define KEYBOARD_POWER 102
|
||||
#define KEYPAD_EQUAL 103
|
||||
#define KEYBOARD_F13 104
|
||||
#define KEYBOARD_F14 105
|
||||
#define KEYBOARD_F15 106
|
||||
#define KEYBOARD_F16 107
|
||||
#define KEYBOARD_F17 108
|
||||
#define KEYBOARD_F18 109
|
||||
#define KEYBOARD_F19 110
|
||||
#define KEYBOARD_F20 111
|
||||
#define KEYBOARD_F21 112
|
||||
#define KEYBOARD_F22 113
|
||||
#define KEYBOARD_F23 114
|
||||
#define KEYBOARD_F24 115
|
||||
#define KEYBOARD_EXECUTE 116
|
||||
#define KEYBOARD_HELP 117
|
||||
#define KEYBOARD_MENU 118
|
||||
#define KEYBOARD_SELECT 119
|
||||
#define KEYBOARD_STOP 120
|
||||
#define KEYBOARD_AGAIN 121
|
||||
#define KEYBOARD_UNDO 122
|
||||
#define KEYBOARD_CUT 123
|
||||
#define KEYBOARD_COPY 124
|
||||
#define KEYBOARD_PASTE 125
|
||||
#define KEYBOARD_FIND 126
|
||||
#define KEYBOARD_MUTE 127
|
||||
#define KEYBOARD_VOLUME_UP 128
|
||||
#define KEYBOARD_VOLUME_DOWN 129
|
||||
#define KEYBOARD_LOCKING_CAPS_LOCK 130
|
||||
#define KEYBOARD_LOCKING_NUM_LOCK 131
|
||||
#define KEYBOARD_LOCKING_SCROLL_LOCK 132
|
||||
#define KEYPAD_COMMA 133
|
||||
#define KEYPAD_EQUAL_SIGN 134
|
||||
#define KEYBOARD_INTERNATIONAL1 135
|
||||
#define KEYBOARD_INTERNATIONAL2 136
|
||||
#define KEYBOARD_INTERNATIONAL3 137
|
||||
#define KEYBOARD_INTERNATIONAL4 138
|
||||
#define KEYBOARD_INTERNATIONAL5 139
|
||||
#define KEYBOARD_INTERNATIONAL6 140
|
||||
#define KEYBOARD_INTERNATIONAL7 141
|
||||
#define KEYBOARD_INTERNATIONAL8 142
|
||||
#define KEYBOARD_INTERNATIONAL9 143
|
||||
#define KEYBOARD_LANG1ONAL9 144
|
||||
#define KEYBOARD_LANG2 145
|
||||
#define KEYBOARD_LANG3 146
|
||||
#define KEYBOARD_LANG4 147
|
||||
#define KEYBOARD_LANG5 148
|
||||
#define KEYBOARD_LANG6 149
|
||||
#define KEYBOARD_LANG7 150
|
||||
#define KEYBOARD_LANG8 151
|
||||
#define KEYBOARD_LANG9 152
|
||||
#define KEYBOARD_ALTERNATE_ERASE 153
|
||||
#define KEYBOARD_SYSREQ_ATTENTION 154
|
||||
#define KEYBOARD_CANCEL 155
|
||||
#define KEYBOARD_CLEAR 156
|
||||
#define KEYBOARD_PRIOR 157
|
||||
#define KEYBOARD_RETURN 158
|
||||
#define KEYBOARD_SEPARATOR 159
|
||||
#define KEYBOARD_OUT 160
|
||||
#define KEYBOARD_OPER 161
|
||||
#define KEYBOARD_CLEAR_AGAIN 162
|
||||
#define KEYBOARD_CRSEL_PROPS 163
|
||||
#define KEYBOARD_EXSEL 164
|
||||
|
||||
#define KEYPAD_00 176
|
||||
#define KEYPAD_000 177
|
||||
#define THOUSANDS_SEPARATOR 178
|
||||
#define DECIMAL_SEPARATOR 179
|
||||
#define CURRENCY_UNIT 180
|
||||
#define CURRENCY_SUBUNIT 181
|
||||
#define KEYPAD_LEFT_PAREN 182
|
||||
#define KEYPAD_RIGHT_PAREN 183
|
||||
#define KEYPAD_LEFT_BRACE 184
|
||||
#define KEYPAD_RIGHT_BRACE 185
|
||||
#define KEYPAD_TAB 186
|
||||
#define KEYPAD_BACKSPACE 187
|
||||
#define KEYPAD_A 188
|
||||
#define KEYPAD_B 189
|
||||
#define KEYPAD_C 190
|
||||
#define KEYPAD_D 191
|
||||
#define KEYPAD_E 192
|
||||
#define KEYPAD_F 193
|
||||
#define KEYPAD_XOR 194
|
||||
#define KEYPAD_CARET 195
|
||||
#define KEYPAD_PERCENT 196
|
||||
#define KEYPAD_LESS_THAN 197
|
||||
#define KEYPAD_GREATER_THAN 198
|
||||
#define KEYPAD_AMPERSAND 199
|
||||
#define KEYPAD_DOUBLE_AMPERSAND 200
|
||||
#define KEYPAD_PIPE 201
|
||||
#define KEYPAD_DOUBLE_PIPE 202
|
||||
#define KEYPAD_COLON 203
|
||||
#define KEYPAD_POUND 204
|
||||
#define KEYPAD_SPACE 205
|
||||
#define KEYPAD_AT 206
|
||||
#define KEYPAD_BANG 207
|
||||
#define KEYPAD_MEM_STORE 208
|
||||
#define KEYPAD_MEM_RECALL 209
|
||||
#define KEYPAD_MEM_CLEAR 210
|
||||
#define KEYPAD_MEM_ADD 211
|
||||
#define KEYPAD_MEM_SUBTRACT 212
|
||||
#define KEYPAD_MEM_MULTIPLY 213
|
||||
#define KEYPAD_MEM_DIVIDE 214
|
||||
#define KEYPAD_PLUS_MINUS 215
|
||||
#define KEYPAD_CLEAR 216
|
||||
#define KEYPAD_CLEAR_ENTRY 217
|
||||
#define KEYPAD_BINARY 218
|
||||
#define KEYPAD_OCTAL 219
|
||||
#define KEYPAD_DECIMAL 220
|
||||
#define KEYPAD_HEXADECIMAL 221
|
||||
|
||||
#define KEYBOARD_LEFT_CTRL 224
|
||||
#define KEYBOARD_LEFT_SHIFT 225
|
||||
#define KEYBOARD_LEFT_ALT 226
|
||||
#define KEYBOARD_LEFT_GUI 227
|
||||
#define KEYBOARD_RIGHT_CTRL 228
|
||||
#define KEYBOARD_RIGHT_SHIFT 229
|
||||
#define KEYBOARD_RIGHT_ALT 230
|
||||
#define KEYBOARD_RIGHT_GUI 231
|
||||
|
||||
#define USB_MIN_MODIFIER KEYBOARD_LEFT_CTRL
|
||||
#define USB_MAX_MODIFIER KEYBOARD_RIGHT_GUI
|
||||
|
||||
#define USB_MAX_KEY KEYBOARD_RIGHT_GUI
|
||||
|
||||
// Everything below this point is only intended for usb_serial.c
|
||||
#ifdef USB_SERIAL_PRIVATE_INCLUDE
|
||||
#include <avr/io.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <avr/interrupt.h>
|
||||
|
||||
#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
|
||||
#endif
|
||||
#endif
|
||||
Loading…
Reference in New Issue