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Diffstat (limited to 'tmk.c')
| -rw-r--r-- | tmk.c | 221 |
1 files changed, 221 insertions, 0 deletions
@@ -0,0 +1,221 @@ +/* 2010/08/23 noname + * keyboard firmware based on PJRC USB keyboard example + */ +/* Keyboard example with debug channel, for Teensy USB Development Board + * http://www.pjrc.com/teensy/usb_keyboard.html + * Copyright (c) 2008 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. + */ + +#include <stdbool.h> +#include <avr/io.h> +#include <avr/pgmspace.h> +#include <avr/interrupt.h> +#include <util/delay.h> +#include "usb.h" +#include "usb_keyboard.h" +#include "usb_mouse.h" +#include "print.h" +#include "matrix.h" +#include "keymap.h" +#include "jump_bootloader.h" + + +// for teensy 2.0 +#define LED_CONFIG (DDRD |= (1<<6)) +#define LED_ON (PORTD |= (1<<6)) +#define LED_OFF (PORTD &= ~(1<<6)) +#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n)) + +#define MOUSE_MOVE_UNIT 10 +#define MOUSE_DELAY_MS 200 +#define MOUSE_DELAY_ACC 4 + + +static void print_matrix(void); + + +uint16_t idle_count=0; + + +int main(void) +{ + // set for 16 MHz clock + CPU_PRESCALE(0); + + // 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. + usb_init(); + while (!usb_configured()) /* wait */ ; + + // Wait an extra second for the PC's operating system to load drivers + // and do whatever it does to actually be ready for input + // needs such long time in my PC. + for (int i =0; i < 6; i++) { + LED_CONFIG; + LED_ON; + _delay_ms(500); + LED_OFF; + _delay_ms(500); + } + + // Configure timer 0 to generate a timer overflow interrupt every + // 256*1024 clock cycles, or approx 61 Hz when using 16 MHz clock + // This demonstrates how to use interrupts to implement a simple + // inactivity timeout. + TCCR0A = 0x00; + TCCR0B = 0x05; + TIMSK0 = (1<<TOIE0); + + + matrix_init(); + + bool modified = false; + bool has_ghost = false; + int layer = 0; + int key_index = 0; + uint8_t mouse_x = 0; + uint8_t mouse_y = 0; + uint8_t mouse_btn = 0; + int8_t mouse_wheel = 0; + int8_t mouse_hwheel = 0; + int mouse_repeat = 0; + + print("\nt.m.k. keyboard 1.0\n"); + while (1) { + matrix_scan(); + modified = matrix_is_modified(); + has_ghost = matrix_has_ghost(); + layer = get_layer(); + + // print matrix state for debug + if (modified) { + print_matrix(); + + LED_CONFIG; + LED_ON; + } + + keyboard_modifier_keys = 0; + for (int i = 0; i < 6; i++) keyboard_keys[i] = KB_NO; + key_index = 0; + mouse_x = 0; + mouse_y = 0; + mouse_btn = 0; + mouse_wheel = 0; + mouse_hwheel = 0; + + // convert matrix state to HID report + 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 keys(0xE0-0xE7) + keyboard_modifier_keys |= 1<<(code & 0x07); + } else if (code >= MS_UP) { + // mouse + if (code == MS_UP) mouse_y -= MOUSE_MOVE_UNIT; + if (code == MS_DOWN) mouse_y += MOUSE_MOVE_UNIT; + if (code == MS_LEFT) mouse_x -= MOUSE_MOVE_UNIT; + if (code == MS_RIGHT) mouse_x += MOUSE_MOVE_UNIT; + if (code == MS_BTN1) mouse_btn |= 1<<0; + if (code == MS_BTN2) mouse_btn |= 1<<1; + if (code == MS_BTN3) mouse_btn |= 1<<2; + if (code == MS_BTN4) mouse_btn |= 1<<3; + if (code == MS_BTN5) mouse_btn |= 1<<4; + if (code == MS_WH_UP) mouse_wheel -= 1; + if (code == MS_WH_DOWN) mouse_wheel += 1; + if (code == MS_WH_LEFT) mouse_hwheel -= 1; + if (code == MS_WH_RIGHT) mouse_hwheel += 1; + } else { + // normal keys + if (key_index < 6) + keyboard_keys[key_index] = code; + key_index++; + } + } + } + + 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(); + + print("jump to bootloader...\n"); + _delay_ms(100); + jump_bootloader(); // not return + } + + if (mouse_x || mouse_y || mouse_wheel || mouse_hwheel || mouse_btn != mouse_buttons) { + mouse_buttons = mouse_btn; + usb_mouse_move(mouse_x, mouse_y, mouse_wheel, mouse_hwheel); + + // acceleration + _delay_ms(MOUSE_DELAY_MS >> (mouse_repeat < MOUSE_DELAY_ACC ? mouse_repeat : MOUSE_DELAY_ACC)); + mouse_repeat++; + } else { + mouse_repeat = 0; + } + + + // send keys to host + if (modified) { + if (key_index > 6) { + //Rollover + } + usb_keyboard_send(); + } + } + _delay_ms(2); + } +} + +static void print_matrix(void) { + print("\nr/c 01234567\n"); + for (int row = 0; row < MATRIX_ROWS; row++) { + phex(row); print(": "); + pbin_reverse(matrix[row]); + if (matrix_has_ghost_in_row(row)) { + print(" <ghost"); + } + print("\n"); + } + print("keys: "); + for (int i = 0; i < 6; i++) { phex(keyboard_keys[i]); print(" "); } + print("\n"); + print("mod: "); phex(keyboard_modifier_keys); print("\n"); +} + +// This interrupt routine is run approx 61 times per second. +// A very simple inactivity timeout is implemented, where we +// will send a space character and print a message to the +// hid_listen debug message window. +ISR(TIMER0_OVF_vect) +{ + idle_count++; +} |