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controller/Macro/basic/macro.c

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/* Copyright (C) 2011 by Jacob Alexander
*
* 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.
*/
// ----- Includes -----
// AVR Includes
#include <util/delay.h>
#include <avr/interrupt.h>
// Project Includes
#include <led.h>
#include <print.h>
#include <scan_loop.h>
#include <usb_com.h>
// Keymaps
#include <keymap.h>
#include <usb_keys.h>
// Local Includes
#include "macro.h"
// ----- Variables -----
// Keeps track of the sequence used to reflash the teensy in software
static uint8_t Bootloader_ConditionSequence[] = {1,16,6,11};
uint8_t Bootloader_ConditionState = 0;
uint8_t Bootloader_NextPositionReady = 1;
// ----- Functions -----
void jumpToBootloader(void)
{
cli();
// disable watchdog, if enabled
// disable all peripherals
UDCON = 1;
USBCON = (1<<FRZCLK); // disable USB
UCSR1B = 0;
_delay_ms(5);
#if defined(__AVR_AT90USB162__) // Teensy 1.0
EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0;
TIMSK0 = 0; TIMSK1 = 0; UCSR1B = 0;
DDRB = 0; DDRC = 0; DDRD = 0;
PORTB = 0; PORTC = 0; PORTD = 0;
asm volatile("jmp 0x3E00");
#elif defined(__AVR_ATmega32U4__) // Teensy 2.0
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");
#elif defined(__AVR_AT90USB646__) // Teensy++ 1.0
EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0;
DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0;
PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
asm volatile("jmp 0xFC00");
#elif defined(__AVR_AT90USB1286__) // Teensy++ 2.0
EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0;
DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0;
PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
asm volatile("jmp 0x1FC00");
#endif
}
// Given a sampling array, and the current number of detected keypress
// Add as many keypresses from the sampling array to the USB key send array as possible.
inline void keyPressDetection( uint8_t *keys, uint8_t numberOfKeys, uint8_t *modifiers, uint8_t numberOfModifiers, uint8_t *map )
{
uint8_t Bootloader_KeyDetected = 0;
uint8_t processed_keys = 0;
// Parse the detection array starting from 1 (all keys are purposefully mapped from 1 -> total as per typical PCB labels)
for ( uint8_t key = 0; key < numberOfKeys + 1; key++ )
{
if ( keys[key] & (1 << 7) )
{
processed_keys++;
// Display the detected scancode
char tmpStr[4];
int8ToStr( key, tmpStr );
dPrintStrs( tmpStr, " " );
// Is this a bootloader sequence key?
if ( !Bootloader_KeyDetected
&& Bootloader_NextPositionReady
&& key == Bootloader_ConditionSequence[Bootloader_ConditionState] )
{
Bootloader_KeyDetected = 1;
Bootloader_NextPositionReady = 0;
Bootloader_ConditionState++;
}
else if ( Bootloader_ConditionState > 0 && key == Bootloader_ConditionSequence[Bootloader_ConditionState - 1] )
{
Bootloader_KeyDetected = 1;
}
// Determine if the key is a modifier
uint8_t modFound = 0;
for ( uint8_t mod = 0; mod < numberOfModifiers; mod++ ) {
// Modifier found
if ( modifiers[mod] == key ) {
USBKeys_Modifiers |= map[key];
modFound = 1;
break;
}
}
// Modifier, already done this loop
if ( modFound )
continue;
// Too many keys
if ( USBKeys_Sent >= USBKeys_MaxSize )
{
info_print("USB Key limit reached");
errorLED( 1 );
break;
}
// Allow ignoring keys with 0's
if ( map[key] != 0 )
USBKeys_Array[USBKeys_Sent++] = map[key];
}
}
// Boot loader sequence state handler
switch ( processed_keys )
{
// The next bootloader key can now be pressed, if there were no keys processed
case 0:
Bootloader_NextPositionReady = 1;
break;
// If keys were detected, and it wasn't in the sequence (or there was multiple keys detected), start bootloader sequence over
// This case purposely falls through
case 1:
if ( Bootloader_KeyDetected )
break;
default:
Bootloader_ConditionState = 0;
break;
}
// Add debug separator if keys sent via USB
if ( USBKeys_Sent > 0 )
print("\033[1;32m|\033[0m\n");
}
inline void process_macros(void)
{
// Online process macros once (if some were found), until the next USB send
if ( USBKeys_Sent != 0 )
return;
// Debounce Sampling Array to USB Data Array
keyPressDetection( KeyIndex_Array, KeyIndex_Size, MODIFIER_MASK, sizeof(MODIFIER_MASK), KEYINDEX_MASK );
// Check for bootloader condition
if ( Bootloader_ConditionState == sizeof( Bootloader_ConditionSequence ) )
jumpToBootloader();
}