+/* 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
* THE SOFTWARE.
*/
+#include <stdbool.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <util/delay.h>
-#include "usb_keyboard_debug.h"
+
+#include "usb_device.h"
#include "print.h"
+#include "matrix.h"
+#include "keymap.h"
+#include "jump_bootloader.h"
+
+#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 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))
+static void print_matrix(void);
-uint8_t number_keys[10]=
- {KEY_0,KEY_1,KEY_2,KEY_3,KEY_4,KEY_5,KEY_6,KEY_7,KEY_8,KEY_9};
uint16_t idle_count=0;
+
+
int main(void)
{
- uint8_t b, d, mask, i, reset_idle;
- uint8_t b_prev=0xFF, d_prev=0xFF;
-
- // set for 16 MHz clock
- CPU_PRESCALE(0);
-
- // Configure all port B and port D pins as inputs with pullup resistors.
- // See the "Using I/O Pins" page for details.
- // http://www.pjrc.com/teensy/pins.html
- DDRD = 0x00;
- DDRB = 0x00;
- PORTB = 0xFF;
- PORTD = 0xFF;
-
- // 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
- _delay_ms(1000);
-
- // 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);
-
- print("Begin keyboard example program\n");
- print("All Port B or Port D pins are inputs with pullup resistors.\n");
- print("Any connection to ground on Port B or D pins will result in\n");
- print("keystrokes sent to the PC (and debug messages here).\n");
- while (1) {
- // read all port B and port D pins
- b = PINB;
- d = PIND;
- // check if any pins are low, but were high previously
- mask = 1;
- reset_idle = 0;
- for (i=0; i<8; i++) {
- if (((b & mask) == 0) && (b_prev & mask) != 0) {
- //usb_keyboard_press(KEY_B, KEY_SHIFT);
- //usb_keyboard_press(number_keys[i], 0);
- print("Port B, bit ");
- phex(i);
- print("\n");
- reset_idle = 1;
- }
- if (((d & mask) == 0) && (d_prev & mask) != 0) {
- //usb_keyboard_press(KEY_D, KEY_SHIFT);
- //usb_keyboard_press(number_keys[i], 0);
- print("Port D, bit ");
- phex(i);
- print("\n");
- reset_idle = 1;
- }
- mask = mask << 1;
- }
- // if any keypresses were detected, reset the idle counter
- if (reset_idle) {
- // 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();
- }
- // now the current pins will be the previous, and
- // wait a short delay so we're not highly sensitive
- // to mechanical "bounce".
- b_prev = b;
- d_prev = d;
- _delay_ms(2);
- }
+ 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.
+ 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
+ _delay_ms(1000);
+
+ // 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);
+
+ print("firmware 0.2 for t.m.k.\n");
+
+ int loop_count = 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();
+
+ // LED flush
+ DDRD |= 1<<PD6;
+ 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();
+ }
+
+ // teensy LED flush for debug
+ if ((loop_count & 0x100) == 0) {
+ DDRD |= 1<<PD6;
+ PORTD |= 1<<PD6;
+ }
+*/
+
+ // 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);
+ loop_count++;
+ }
+}
+
+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.
// hid_listen debug message window.
ISR(TIMER0_OVF_vect)
{
- idle_count++;
- if (idle_count > 61 * 8) {
- idle_count = 0;
- print("Timer Event :)\n");
- //usb_keyboard_press(KEY_SPACE, 0);
- }
+ idle_count++;
}
-
-
projects / max / tmk_keyboard.git / blobdiff