221 lines
7.2 KiB
C
221 lines
7.2 KiB
C
/* 2010/08/23 noname
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* keyboard firmware based on PJRC USB keyboard example
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*/
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/* Keyboard example with debug channel, for Teensy USB Development Board
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* http://www.pjrc.com/teensy/usb_keyboard.html
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* Copyright (c) 2008 PJRC.COM, LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdbool.h>
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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#include "usb.h"
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#include "usb_keyboard.h"
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#include "usb_mouse.h"
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#include "print.h"
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#include "matrix.h"
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#include "keymap.h"
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#include "jump_bootloader.h"
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// for teensy 2.0
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#define LED_CONFIG (DDRD |= (1<<6))
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#define LED_ON (PORTD |= (1<<6))
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#define LED_OFF (PORTD &= ~(1<<6))
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#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
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#define MOUSE_MOVE_UNIT 10
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#define MOUSE_DELAY_MS 200
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#define MOUSE_DELAY_ACC 4
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static void print_matrix(void);
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uint16_t idle_count=0;
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int main(void)
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{
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// set for 16 MHz clock
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CPU_PRESCALE(0);
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// Initialize the USB, and then wait for the host to set configuration.
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// If the Teensy is powered without a PC connected to the USB port,
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// this will wait forever.
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usb_init();
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while (!usb_configured()) /* wait */ ;
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// Wait an extra second for the PC's operating system to load drivers
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// and do whatever it does to actually be ready for input
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// needs such long time in my PC.
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for (int i =0; i < 6; i++) {
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LED_CONFIG;
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LED_ON;
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_delay_ms(500);
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LED_OFF;
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_delay_ms(500);
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}
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// Configure timer 0 to generate a timer overflow interrupt every
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// 256*1024 clock cycles, or approx 61 Hz when using 16 MHz clock
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// This demonstrates how to use interrupts to implement a simple
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// inactivity timeout.
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TCCR0A = 0x00;
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TCCR0B = 0x05;
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TIMSK0 = (1<<TOIE0);
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matrix_init();
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bool modified = false;
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bool has_ghost = false;
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int layer = 0;
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int key_index = 0;
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uint8_t mouse_x = 0;
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uint8_t mouse_y = 0;
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uint8_t mouse_btn = 0;
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int8_t mouse_wheel = 0;
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int8_t mouse_hwheel = 0;
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int mouse_repeat = 0;
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print("\nt.m.k. keyboard 1.0\n");
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while (1) {
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matrix_scan();
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modified = matrix_is_modified();
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has_ghost = matrix_has_ghost();
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layer = get_layer();
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// print matrix state for debug
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if (modified) {
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print_matrix();
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LED_CONFIG;
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LED_ON;
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}
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keyboard_modifier_keys = 0;
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for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
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key_index = 0;
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mouse_x = 0;
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mouse_y = 0;
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mouse_btn = 0;
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mouse_wheel = 0;
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mouse_hwheel = 0;
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// convert matrix state to HID report
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for (int row = 0; row < MATRIX_ROWS; row++) {
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for (int col = 0; col < MATRIX_COLS; col++) {
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if (matrix[row] & 1<<col) continue;
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uint8_t code = get_keycode(layer, row, col);
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if (code == KB_NO) {
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continue;
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} else if (KB_LCTRL <= code && code <= KB_RGUI) {
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// modifier keys(0xE0-0xE7)
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keyboard_modifier_keys |= 1<<(code & 0x07);
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} else if (code >= MS_UP) {
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// mouse
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if (code == MS_UP) mouse_y -= MOUSE_MOVE_UNIT;
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if (code == MS_DOWN) mouse_y += MOUSE_MOVE_UNIT;
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if (code == MS_LEFT) mouse_x -= MOUSE_MOVE_UNIT;
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if (code == MS_RIGHT) mouse_x += MOUSE_MOVE_UNIT;
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if (code == MS_BTN1) mouse_btn |= 1<<0;
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if (code == MS_BTN2) mouse_btn |= 1<<1;
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if (code == MS_BTN3) mouse_btn |= 1<<2;
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if (code == MS_BTN4) mouse_btn |= 1<<3;
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if (code == MS_BTN5) mouse_btn |= 1<<4;
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if (code == MS_WH_UP) mouse_wheel -= 1;
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if (code == MS_WH_DOWN) mouse_wheel += 1;
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if (code == MS_WH_LEFT) mouse_hwheel -= 1;
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if (code == MS_WH_RIGHT) mouse_hwheel += 1;
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} else {
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// normal keys
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if (key_index < 6)
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keyboard_keys[key_index] = code;
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key_index++;
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}
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}
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}
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if (!has_ghost) {
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// when 4 left modifier keys down
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if (keyboard_modifier_keys == (MOD_LCTRL | MOD_LSHIFT | MOD_LALT | MOD_LGUI)) {
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// cancel all keys
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keyboard_modifier_keys = 0;
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for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO;
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usb_keyboard_send();
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print("jump to bootloader...\n");
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_delay_ms(100);
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jump_bootloader(); // not return
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}
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if (mouse_x || mouse_y || mouse_wheel || mouse_hwheel || mouse_btn != mouse_buttons) {
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mouse_buttons = mouse_btn;
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usb_mouse_move(mouse_x, mouse_y, mouse_wheel, mouse_hwheel);
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// acceleration
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_delay_ms(MOUSE_DELAY_MS >> (mouse_repeat < MOUSE_DELAY_ACC ? mouse_repeat : MOUSE_DELAY_ACC));
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mouse_repeat++;
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} else {
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mouse_repeat = 0;
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}
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// send keys to host
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if (modified) {
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if (key_index > 6) {
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//Rollover
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}
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usb_keyboard_send();
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}
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}
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_delay_ms(2);
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}
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}
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static void print_matrix(void) {
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print("\nr/c 01234567\n");
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for (int row = 0; row < MATRIX_ROWS; row++) {
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phex(row); print(": ");
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pbin_reverse(matrix[row]);
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if (matrix_has_ghost_in_row(row)) {
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print(" <ghost");
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}
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print("\n");
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}
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print("keys: ");
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for (int i = 0; i < 6; i++) { phex(keyboard_keys[i]); print(" "); }
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print("\n");
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print("mod: "); phex(keyboard_modifier_keys); print("\n");
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}
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// This interrupt routine is run approx 61 times per second.
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// A very simple inactivity timeout is implemented, where we
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// will send a space character and print a message to the
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// hid_listen debug message window.
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ISR(TIMER0_OVF_vect)
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{
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idle_count++;
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}
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