Remove outdated firmware.

[atreides.git] / firmware / atreus.c

diff --git a/firmware/atreus.c b/firmware/atreus.c
deleted file mode 100644 (file)
index 44071a9..0000000
--- a/firmware/atreus.c
+++ /dev/null
@@ -1,124 +0,0 @@
-#include <stdlib.h>
-#include <avr/io.h>
-#include <util/delay.h>
-#include "usb_keyboard.h"
-
-#define ROW_COUNT 4
-#define COL_COUNT 11
-
-#define FN_PRESSED (~PINB & 8)
-
-#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
-
-void reset(void);
-
-\f
-
-// Outputs
-// |------------+----+----+----+----|
-// | row number |  0 |  1 |  2 |  3 |
-// |------------+----+----+----+----|
-// | pin number | D0 | D1 | D2 | D3 |
-// |------------+----+----+----+----|
-
-// Inputs
-// |---------------+----+----+----+----+----+----+----+----+----+----+----|
-// | column number |  0 |  1 |  2 |  3 |  4 |  5 |  6 |  7 |  8 |  9 | 10 |
-// |---------------+----+----+----+----+----+----+----+----+----+----+----|
-// | pin number    | B0 | B1 | B2 | B3 | B4 | B5 | B6 | B7 | F4 | F5 | F6 |
-// |---------------+----+----+----+----+----+----+----+----+----+----+----|
-
-\f
-
-#include "layouts.h"
-
-int *current_row;
-int pressed_count = 0;
-
-\f
-
-void press(int keycode) {
-  if(!keycode) return;
-  if(keycode == 255) {
-    reset(); // TODO: make a table of codes -> functions
-  } else if(keycode > 108 && pressed_count < 6) {
-    keyboard_modifier_keys |= KEY_SHIFT;
-    keyboard_keys[pressed_count++] = (keycode - 108);
-  } else if(keycode > 100) {
-    keyboard_modifier_keys |= (keycode - 100);
-  } else if(pressed_count < 6){
-    keyboard_keys[pressed_count++] = keycode;
-  };
-};
-
-void activate_row(int row) {
-  PORTD = (char)(~(1 << row)) | 32; // leave the LED on
-};
-
-void scan_row(int row) {
-  // if((~PINF) & 64) reset();
-  unsigned int col_bits = ((~PINF << 4) & (1024 | 512 | 256)) | (~PINB & 255);
-  /* for(int col = 0; col < COL_COUNT; col++) { */
-  /*   if(col_bits & 1024) { */
-  /*     press(current_row[col]); */
-  /*   } */
-  /*   col_bits << 1; */
-  /* } */
-  if(col_bits & 1024) press(current_row[0]);
-  if(col_bits & 512) press(current_row[1]);
-  if(col_bits & 256) press(current_row[2]);
-  if(col_bits & 128) press(current_row[3]);
-  if(col_bits & 64) press(current_row[4]);
-  if(col_bits & 32) press(current_row[5]);
-  if(col_bits & 16) press(current_row[6]);
-  if(col_bits & 8) press(current_row[7]);
-  if(col_bits & 4) press(current_row[8]);
-  if(col_bits & 2) press(current_row[9]);
-  if(col_bits & 1) press(current_row[10]);
-};
-
-\f
-
-void init() {
-  CPU_PRESCALE(0);
-  DDRD = 255;
-  DDRB = DDRF = 0;
-  PORTB = PORTF = 255;
-  usb_init();
-  while (!usb_configured()) /* wait */ ;
-  _delay_ms(1000);
-};
-
-void clear_keys() {
-  keyboard_modifier_keys = 0;
-  pressed_count = 0;
-  for(int i = 0; i < 6; i++) {
-    keyboard_keys[i] = 0;
-  };
-};
-
-int main() {
-  init();
-  while(1) {
-    // 4th row is still active from last scan
-    current_row = FN_PRESSED ? fn_layout : base_layout;
-    for(int i = 0; i < ROW_COUNT; i++) {
-      activate_row(i);
-      scan_row(i);
-      current_row += COL_COUNT;
-      _delay_us(50);
-    };
-    usb_keyboard_send();
-    clear_keys();
-  };
-};
-
-void reset(void) {
-  UDCON = 1; USBCON = (1<<FRZCLK); UCSR1B = 0;
-  _delay_ms(5);
-  EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
-  TIMSK0 = 0; TIMSK1 = 0; TIMSK3 = 0; TIMSK4 = 0; UCSR1B = 0; TWCR = 0;
-  DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0; TWCR = 0;
-  PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
-  asm volatile("jmp 0x7E00");
-};