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add mouse function.

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This commit is contained in:
tmk 2010-09-30 14:17:01 +09:00
parent e7c6839d2d
commit d3b1af9572
14 changed files with 281 additions and 123 deletions
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1
.gitignore vendored
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@ -7,3 +7,4 @@
*.lst
*.map
*.sym
tags

11
Makefile
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@ -46,13 +46,14 @@ TARGET = mykey
# List C source files here. (C dependencies are automatically generated.)
SRC = $(TARGET).c \
usb.c \
usb_keyboard.c \
usb_mouse.c \
usb_debug.c \
keymap.c \
matrix.c \
usb_device.c \
usb_keyboard.c \
usb_debug.c \
print.c \
jump_bootloader.c
jump_bootloader.c \
print.c
# MCU name, you MUST set this to match the board you are using

2
keymap.h
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@ -2,7 +2,7 @@
#define KEYMAP_H 1
#include <stdint.h>
#include "usbkeycodes.h"
#include "usb_keycodes.h"
int get_layer(void);
uint8_t get_keycode(int layer, int row, int col);

5
matrix.h
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@ -1,3 +1,6 @@
#ifndef MATRIX_H
#define MATRIX_H 1
#include <stdbool.h>
extern uint8_t *matrix;
@ -8,3 +11,5 @@ uint8_t matrix_scan(void);
bool matrix_is_modified(void);
bool matrix_has_ghost(void);
bool matrix_has_ghost_in_row(uint8_t row);
#endif

139
mykey.c
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@ -30,7 +30,9 @@
#include <avr/interrupt.h>
#include <util/delay.h>
#include "usb_device.h"
#include "usb.h"
#include "usb_keyboard.h"
#include "usb_mouse.h"
#include "print.h"
#include "matrix.h"
#include "keymap.h"
@ -50,16 +52,9 @@ uint16_t idle_count=0;
int main(void)
{
bool modified = false;
bool has_ghost = false;
uint8_t key_index = 0;
// set for 16 MHz clock
CPU_PRESCALE(0);
matrix_init();
// Initialize the USB, and then wait for the host to set configuration.
// If the Teensy is powered without a PC connected to the USB port,
// this will wait forever.
@ -78,69 +73,21 @@ int main(void)
TCCR0B = 0x05;
TIMSK0 = (1<<TOIE0);
matrix_init();
print("firmware 0.2 for t.m.k.\n");
bool modified = false;
bool has_ghost = false;
int key_index = 0;
int loop_count = 0;
int layer = 0;
while (1) {
int layer = 0;
matrix_scan();
layer = get_layer();
modified = matrix_is_modified();
has_ghost = matrix_has_ghost();
// doesnt send keys during ghost occurs
if (modified && !has_ghost) {
key_index = 0;
keyboard_modifier_keys = 0;
for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
for (int row = 0; row < MATRIX_ROWS; row++) {
for (int col = 0; col < MATRIX_COLS; col++) {
if (matrix[row] & 1<<col) continue;
uint8_t code = get_keycode(layer, row, col);
if (code == KB_NO) {
continue;
} else if (KB_LCTRL <= code && code <= KB_RGUI) {
// modifier keycode: 0xE0-0xE7
keyboard_modifier_keys |= 1<<(code & 0x07);
} else {
if (key_index < 6)
keyboard_keys[key_index] = code;
key_index++;
}
}
}
// run bootloader when 4 left modifier keys down
if (keyboard_modifier_keys == (MOD_LCTRL | MOD_LSHIFT | MOD_LALT | MOD_LGUI)) {
// cancel all keys
keyboard_modifier_keys = 0;
for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
usb_keyboard_send();
print("jump to bootloader...\n");
_delay_ms(1000);
jump_bootloader();
}
if (key_index > 6) {
//Rollover
}
usb_keyboard_send();
// variables shared with interrupt routines must be
// accessed carefully so the interrupt routine doesn't
// try to use the variable in the middle of our access
cli();
//idle_count = 0;
sei();
}
// print matrix state for debug
if (modified) {
print_matrix();
@ -150,27 +97,61 @@ int main(void)
PORTD |= 1<<PD6;
}
/*
// print counts for debug
if ((loop_count % 0x1000) == 0) {
//print(".");
print("idle_count: "); phex((idle_count & 0xFF00) >> 8); phex(idle_count & 0xFF); print("\n");
print("loop_count: "); phex((loop_count & 0xFF00) >> 8); phex(loop_count & 0xFF); print("\n");
print_matrix();
// set matrix state to keyboard_keys, keyboard_modifier_keys
key_index = 0;
keyboard_modifier_keys = 0;
for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
for (int row = 0; row < MATRIX_ROWS; row++) {
for (int col = 0; col < MATRIX_COLS; col++) {
if (matrix[row] & 1<<col) continue;
uint8_t code = get_keycode(layer, row, col);
if (code == KB_NO) {
continue;
} else if (KB_LCTRL <= code && code <= KB_RGUI) {
// modifier keycode: 0xE0-0xE7
keyboard_modifier_keys |= 1<<(code & 0x07);
} else {
if (key_index < 6)
keyboard_keys[key_index] = code;
key_index++;
}
}
}
// teensy LED flush for debug
if ((loop_count & 0x100) == 0) {
DDRD |= 1<<PD6;
PORTD |= 1<<PD6;
}
*/
if (!has_ghost) {
// when 4 left modifier keys down
if (keyboard_modifier_keys == (MOD_LCTRL | MOD_LSHIFT | MOD_LALT | MOD_LGUI)) {
// cancel all keys
keyboard_modifier_keys = 0;
for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
usb_keyboard_send();
// now the current pins will be the previous, and
// wait a short delay so we're not highly sensitive
// to mechanical "bounce".
_delay_ms(2);
/*
print("jump to bootloader...\n");
_delay_ms(1000);
jump_bootloader();
*/
// mouse
print("usb_mouse_move\n");
usb_mouse_move(10, 0, 0);
_delay_ms(100);
continue;
}
// send keys to host
if (modified) {
if (key_index > 6) {
//Rollover
}
usb_keyboard_send();
}
}
loop_count++;
_delay_ms(2);
}
}

1
print.c
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@ -25,7 +25,6 @@
#include <avr/io.h>
#include <avr/pgmspace.h>
#include "print.h"
void print_P(const char *s)

4
print.h
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@ -1,5 +1,5 @@
#ifndef print_h__
#define print_h__
#ifndef PRINT_H__
#define PRINT_H__ 1
#include <avr/pgmspace.h>
#include "usb_debug.h"

119
usb_device.c → usb.c
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@ -21,10 +21,12 @@
* THE SOFTWARE.
*/
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include "usb_device.h"
#include "usb.h"
#include "usb_keyboard.h"
#include "usb_mouse.h"
#include "usb_debug.h"
@ -64,11 +66,15 @@
#define ENDPOINT0_SIZE 32
// 0:control endpoint is enabled automatically by controller.
static const uint8_t PROGMEM endpoint_config_table[] = {
0,
0,
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KEYBOARD_SIZE) | KEYBOARD_BUFFER,
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(DEBUG_TX_SIZE) | DEBUG_TX_BUFFER
// enable, UECFG0X(type, direction), UECFG1X(size, bank, allocation)
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KEYBOARD_SIZE) | KEYBOARD_BUFFER, // 1
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(MOUSE_SIZE) | MOUSE_BUFFER, // 2
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(DEBUG_TX_SIZE) | DEBUG_TX_BUFFER, // 3
0, // 4
0, // 5
0, // 6
};
@ -138,6 +144,36 @@ static uint8_t PROGMEM keyboard_hid_report_desc[] = {
0xc0 // End Collection
};
// Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
static uint8_t PROGMEM mouse_hid_report_desc[] = {
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x02, // Usage (Mouse)
0xA1, 0x01, // Collection (Application)
0x05, 0x09, // Usage Page (Button)
0x19, 0x01, // Usage Minimum (Button #1)
0x29, 0x03, // Usage Maximum (Button #3)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x95, 0x03, // Report Count (3)
0x75, 0x01, // Report Size (1)
0x81, 0x02, // Input (Data, Variable, Absolute)
0x95, 0x01, // Report Count (1)
0x75, 0x05, // Report Size (5)
0x81, 0x03, // Input (Constant)
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x30, // Usage (X)
0x09, 0x31, // Usage (Y)
0x15, 0x81, // Logical Minimum (-127)
0x25, 0x7F, // Logical Maximum (127)
0x75, 0x08, // Report Size (8),
0x95, 0x02, // Report Count (2),
0x81, 0x06, // Input (Data, Variable, Relative)
0x09, 0x38, // Usage (Wheel)
0x95, 0x01, // Report Count (1),
0x81, 0x06, // Input (Data, Variable, Relative)
0xC0 // End Collection
};
static uint8_t PROGMEM debug_hid_report_desc[] = {
0x06, 0x31, 0xFF, // Usage Page 0xFF31 (vendor defined)
0x09, 0x74, // Usage 0x74
@ -151,20 +187,22 @@ static uint8_t PROGMEM debug_hid_report_desc[] = {
0xC0 // end collection
};
#define CONFIG1_DESC_SIZE (9+9+9+7+9+9+7)
#define CONFIG1_DESC_SIZE (9+(9+9+7)+(9+9+7)+(9+9+7))
#define KEYBOARD_HID_DESC_OFFSET (9+9)
#define DEBUG_HID_DESC_OFFSET (9+9+9+7+9)
#define MOUSE_HID_DESC_OFFSET (9+(9+9+7)+9)
#define DEBUG_HID_DESC_OFFSET (9+(9+9+7)+(9+9+7)+9)
static 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),
2, // bNumInterfaces
3, // 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
@ -175,7 +213,7 @@ static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
0x01, // bInterfaceSubClass (0x01 = Boot)
0x01, // bInterfaceProtocol (0x01 = Keyboard)
0, // iInterface
// HID interface descriptor, HID 1.11 spec, section 6.2.1
// HID descriptor, HID 1.11 spec, section 6.2.1
9, // bLength
0x21, // bDescriptorType
0x11, 0x01, // bcdHID
@ -191,6 +229,34 @@ static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
0x03, // bmAttributes (0x03=intr)
KEYBOARD_SIZE, 0, // wMaxPacketSize
1, // bInterval
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
MOUSE_INTERFACE, // bInterfaceNumber
0, // bAlternateSetting
1, // bNumEndpoints
0x03, // bInterfaceClass (0x03 = HID)
0x01, // bInterfaceSubClass (0x01 = Boot)
0x02, // bInterfaceProtocol (0x02 = Mouse)
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(mouse_hid_report_desc), // wDescriptorLength
0,
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
7, // bLength
5, // bDescriptorType
MOUSE_ENDPOINT | 0x80, // bEndpointAddress
0x03, // bmAttributes (0x03=intr)
4, 0, // wMaxPacketSize
1, // bInterval
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
@ -201,7 +267,7 @@ static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
0x00, // bInterfaceSubClass
0x00, // bInterfaceProtocol
0, // iInterface
// HID interface descriptor, HID 1.11 spec, section 6.2.1
// HID descriptor, HID 1.11 spec, section 6.2.1
9, // bLength
0x21, // bDescriptorType
0x11, 0x01, // bcdHID
@ -259,6 +325,9 @@ static struct descriptor_list_struct {
{0x2200, KEYBOARD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)},
{0x2100, KEYBOARD_INTERFACE, config1_descriptor+KEYBOARD_HID_DESC_OFFSET, 9},
// HID REPORT
{0x2200, MOUSE_INTERFACE, mouse_hid_report_desc, sizeof(mouse_hid_report_desc)},
{0x2100, MOUSE_INTERFACE, config1_descriptor+MOUSE_HID_DESC_OFFSET, 9},
// HID REPORT
{0x2200, DEBUG_INTERFACE, debug_hid_report_desc, sizeof(debug_hid_report_desc)},
{0x2100, DEBUG_INTERFACE, config1_descriptor+DEBUG_HID_DESC_OFFSET, 9},
// STRING descriptor
@ -470,7 +539,7 @@ ISR(USB_COM_vect)
usb_configuration = wValue;
usb_send_in();
cfg = endpoint_config_table;
for (i=1; i<5; i++) {
for (i=1; i<=6; i++) {
UENUM = i;
en = pgm_read_byte(cfg++);
UECONX = en;
@ -479,7 +548,7 @@ ISR(USB_COM_vect)
UECFG1X = pgm_read_byte(cfg++);
}
}
UERST = 0x1E;
UERST = 0x7E;
UERST = 0;
return;
}
@ -571,6 +640,32 @@ ISR(USB_COM_vect)
}
}
}
if (wIndex == MOUSE_INTERFACE) {
if (bmRequestType == 0xA1) {
if (bRequest == HID_GET_REPORT) {
usb_wait_in_ready();
UEDATX = mouse_buttons;
UEDATX = 0;
UEDATX = 0;
UEDATX = 0;
usb_send_in();
return;
}
if (bRequest == HID_GET_PROTOCOL) {
usb_wait_in_ready();
UEDATX = mouse_protocol;
usb_send_in();
return;
}
}
if (bmRequestType == 0x21) {
if (bRequest == HID_SET_PROTOCOL) {
mouse_protocol = wValue;
usb_send_in();
return;
}
}
}
if (wIndex == DEBUG_INTERFACE) {
if (bRequest == HID_GET_REPORT && bmRequestType == 0xA1) {
len = wLength;

6
usb_device.h → usb.h
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@ -1,10 +1,8 @@
#ifndef USB_DEVICE_H
#define USB_DEVICE_H 1
#ifndef USB_H
#define USB_H 1
#include <stdint.h>
#include <avr/io.h>
#include "usb_keyboard.h"
#include "usb_debug.h"
void usb_init(void); // initialize everything

6
usb_debug.h
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@ -2,11 +2,11 @@
#define USB_DEBUG_H 1
#include <stdint.h>
#include "usb_device.h"
#include "usb.h"
#define DEBUG_INTERFACE 1
#define DEBUG_TX_ENDPOINT 4
#define DEBUG_INTERFACE 2
#define DEBUG_TX_ENDPOINT 3
#define DEBUG_TX_SIZE 32
#define DEBUG_TX_BUFFER EP_DOUBLE_BUFFER

4
usb_keyboard.h
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@ -2,11 +2,11 @@
#define USB_KEYBOARD_H 1
#include <stdint.h>
#include "usb_device.h"
#include "usb.h"
#define KEYBOARD_INTERFACE 0
#define KEYBOARD_ENDPOINT 3
#define KEYBOARD_ENDPOINT 1
#define KEYBOARD_SIZE 8
#define KEYBOARD_BUFFER EP_DOUBLE_BUFFER

24
usbkeycodes.h → usb_keycodes.h
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@ -1,5 +1,8 @@
/* Some modified from Keyboard Upgrade 0.3.0
* 2010/08/22
/*
* Key codes from HID Keyboard/Keypad Page
* http://www.usb.org/developers/devclass_docs/Hut1_12.pdf
*
* Based on Keyboard Upgrade v0.3.0 http://github.com/rhomann/kbupgrade
*/
/*
* Keyboard Upgrade -- Firmware for homebrew computer keyboard controllers.
@ -30,17 +33,10 @@
* MA 02110-1301 USA
*/
#ifndef USBKEYCODES_H
#define USBKEYCODES_H
#ifndef USB_KEYCODES_H
#define USB_KEYCODES_H
/*
* The USB keycodes are enumerated here - the first part is simply
* an enumeration of the allowed scan-codes used for USB HID devices.
*/
/*
* see 10 Keyboard/Keypad Page(0x07)
* http://www.usb.org/developers/devclass_docs/Hut1_12.pdf
*/
enum keycodes {
KB_NO = 0,
KB_ROLL_OVER,
@ -265,11 +261,11 @@ enum keycodes {
KB_RALT, /* 0x40 */
KB_RGUI, /* 0x80 */
/* function keys */
/* extensions for internal use */
FN_0 = 0xF0,
FN_1,
FN_2,
FN_3,
};
#endif /* USBKEYCODES_H */
#endif /* USB_KEYCODES_H */

62
usb_mouse.c Normal file
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@ -0,0 +1,62 @@
#include <avr/interrupt.h>
#include <util/delay.h>
#include "usb_mouse.h"
// which buttons are currently pressed
uint8_t mouse_buttons=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.
uint8_t mouse_protocol=1;
// Set the mouse buttons. To create a "click", 2 calls are needed,
// one to push the button down and the second to release it
int8_t usb_mouse_buttons(uint8_t left, uint8_t middle, uint8_t right)
{
uint8_t mask=0;
if (left) mask |= 1;
if (middle) mask |= 4;
if (right) mask |= 2;
mouse_buttons = mask;
return usb_mouse_move(0, 0, 0);
}
// Move the mouse. x, y and wheel are -127 to 127. Use 0 for no movement.
int8_t usb_mouse_move(int8_t x, int8_t y, int8_t wheel)
{
uint8_t intr_state, timeout;
if (!usb_configured()) return -1;
if (x == -128) x = -127;
if (y == -128) y = -127;
if (wheel == -128) wheel = -127;
intr_state = SREG;
cli();
UENUM = MOUSE_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 = MOUSE_ENDPOINT;
}
UEDATX = mouse_buttons;
UEDATX = x;
UEDATX = y;
UEDATX = wheel;
UEINTX = 0x3A;
SREG = intr_state;
return 0;
}

20
usb_mouse.h Normal file
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@ -0,0 +1,20 @@
#ifndef USB_MOUSE_H
#define USB_MOUSE_H 1
#include <stdint.h>
#include "usb.h"
#define MOUSE_INTERFACE 1
#define MOUSE_ENDPOINT 2
#define MOUSE_SIZE 8
#define MOUSE_BUFFER EP_DOUBLE_BUFFER
extern uint8_t mouse_buttons;
extern uint8_t mouse_protocol;
int8_t usb_mouse_buttons(uint8_t left, uint8_t middle, uint8_t right);
int8_t usb_mouse_move(int8_t x, int8_t y, int8_t wheel);
#endif