* THE SOFTWARE.
*/
+// ----- Includes -----
+
+// AVR Includes
#include <avr/io.h>
-#include <avr/pgmspace.h>
#include <avr/interrupt.h>
-#include <util/delay.h>
-#include "usb_keys.h"
-#include "scan_loop.h"
-//#include "layouts.h"
-//#include "usb_keyboard.h"
-
-// TEMP INCLUDES
-#include "usb_keyboard_debug.h"
-#include <print.h>
-#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
+// Project Includes
+#include <macro.h>
+#include <scan_loop.h>
+#include <usb_com.h>
+
+#include <led.h>
+#include <print.h>
-// Debouncing Defines
-#define SAMPLE_THRESHOLD 110
-#define MAX_SAMPLES 127 // Max is 127, reaching 128 is very bad
+// ----- Defines -----
// Verified Keypress Defines
#define USB_TRANSFER_DIVIDER 10 // 1024 == 1 Send of keypresses per second, 1 == 1 Send of keypresses per ~1 millisecond
-/*
-// Number of keys
-#define KEYBOARD_SIZE 63
-#define KEYPAD_SIZE 16
-
-// Drive Pin Defines
-#define DRIVE_reg_1 PORTD
-#define DRIVE_reg_2 PORTD
-#define DRIVE_reg_3 PORTD
-#define DRIVE_reg_4 PORTD
-#define DRIVE_reg_5 PORTD
-#define DRIVE_reg_6 PORTD
-#define DRIVE_reg_7 PORTE
-#define DRIVE_reg_8 PORTE
-#define DRIVE_reg_9 PORTE
-#define DRIVE_reg_10 <blank>
-#define DRIVE_reg_11 <blank>
-#define DRIVE_reg_12 <blank>
-
-#define DRIVE_pin_1 2
-#define DRIVE_pin_2 3
-#define DRIVE_pin_3 4
-#define DRIVE_pin_4 5
-#define DRIVE_pin_5 6
-#define DRIVE_pin_6 7
-#define DRIVE_pin_7 0
-#define DRIVE_pin_8 1
-#define DRIVE_pin_9 6
-#define DRIVE_pin_10 <blank>
-#define DRIVE_pin_11 <blank>
-#define DRIVE_pin_12 <blank>
-
-// Detect Pin/Group Defines
-#define DETECT_group_1 1
-#define DETECT_group_2 2
-#define DETECT_group_3 3
-#define DETECT_group_4 4
-#define DETECT_group_5 5
-#define DETECT_group_6 6
-#define DETECT_group_7 7
-#define DETECT_group_8 8
-#define DETECT_group_9 9
-#define DETECT_group_10 <blank>
-#define DETECT_group_11 <blank>
-#define DETECT_group_12 <blank>
-
-#define DETECT_group_size_1 7
-#define DETECT_group_size_2 7
-#define DETECT_group_size_3 6
-#define DETECT_group_size_4 8
-#define DETECT_group_size_5 7
-#define DETECT_group_size_6 7
-#define DETECT_group_size_7 8
-#define DETECT_group_size_8 8
-#define DETECT_group_size_9 4
-#define DETECT_group_size_10 <blank>
-#define DETECT_group_size_11 <blank>
-#define DETECT_group_size_12 <blank>
-
-// Switch Codes
-#define DETECT_group_array_1 {55,22,6 ,40,43,27,11}
-#define DETECT_group_array_2 {56,23,7 ,41,58,26,10}
-#define DETECT_group_array_3 {57,24,8 ,42,25,9}
-#define DETECT_group_array_4 {54,21,5 ,39,44,28,12,59}
-#define DETECT_group_array_5 {53,20,4 ,38,45,29,13}
-#define DETECT_group_array_6 {52,19,3 ,37,46,30,14}
-#define DETECT_group_array_7 {51,18,2 ,36,61,31,15,63}
-#define DETECT_group_array_8 {50,17,1 ,35,47,32,16,62}
-#define DETECT_group_array_9 {48,49,33,34} // 49/60 are the same line
-#define DETECT_group_array_10 <blank>
-#define DETECT_group_array_11 <blank>
-#define DETECT_group_array_12 <blank>
-
-
-
-// Drive Macros (Generally don't need to be changed), except for maybe DRIVE_DETECT
-// Sleep is for signal debouncing
-#define DRIVE_DETECT(reg,pin,group) \
- reg &= ~(1 << pin); \
- detection(group); \
- reg |= (1 << pin); \
- _delay_us(1);
-
-#define DD_CASE(number) \
- case number:\
- DRIVE_DETECT(DRIVE_reg_##number, DRIVE_pin_##number, DETECT_group_##number)
-
-#define DD_CASE_ORD(number) \
- DD_CASE(number) \
- break;
-
-#define DD_CASE_END(number,var) \
- DD_CASE(number) \
- var = -1; \
- break;
-
-
-// Updates the current detection sample and last sample bit
-// Detection Macros (Probably don't need to be changed, but depending the matrix, may have to be)
-// Determine if key is either normal or a modifier
-#define DET_GROUP_CHECK(index,test) \
- if ( test ) { \
- keyDetectArray[groupArray[index]]++; \
- }
-
-
-// XXX - Detection Groups
-// Checks each of the specified pins, and then if press detected, determine if the key is normal or a modifier
-// Inverse logic applies for the PINs
-
-// Used for 1 detection group (Special group)
-#define DET_GROUP_1 \
- DET_GROUP_CHECK(0,!( PINB & (1 << 7) )) \
- DET_GROUP_CHECK(1,!( PINC & (1 << 0) )) \
- DET_GROUP_CHECK(2,!( PIND & (1 << 0) )) \
- DET_GROUP_CHECK(3,!( PIND & (1 << 1) )) \
-
-// Used for 4 detection groups (Skips J1 P9)
-#define DET_GROUP_2 \
- DET_GROUP_CHECK(0,!( PINE & (1 << 7) )) \
- DET_GROUP_CHECK(1,!( PINB & (1 << 0) )) \
- DET_GROUP_CHECK(2,!( PINB & (1 << 1) )) \
- DET_GROUP_CHECK(3,!( PINB & (1 << 2) )) \
- DET_GROUP_CHECK(4,!( PINB & (1 << 3) )) \
- DET_GROUP_CHECK(5,!( PINB & (1 << 4) )) \
- DET_GROUP_CHECK(6,!( PINB & (1 << 5) )) \
-
-// Used for 1 detection group (Skips J1 P6 and J1 P9)
-#define DET_GROUP_3 \
- DET_GROUP_CHECK(0,!( PINE & (1 << 7) )) \
- DET_GROUP_CHECK(1,!( PINB & (1 << 0) )) \
- DET_GROUP_CHECK(2,!( PINB & (1 << 1) )) \
- DET_GROUP_CHECK(3,!( PINB & (1 << 2) )) \
- DET_GROUP_CHECK(4,!( PINB & (1 << 4) )) \
- DET_GROUP_CHECK(5,!( PINB & (1 << 5) )) \
-
-// Used for 3 detection groups (No skips, except special group 1)
-#define DET_GROUP_4 \
- DET_GROUP_CHECK(0,!( PINE & (1 << 7) )) \
- DET_GROUP_CHECK(1,!( PINB & (1 << 0) )) \
- DET_GROUP_CHECK(2,!( PINB & (1 << 1) )) \
- DET_GROUP_CHECK(3,!( PINB & (1 << 2) )) \
- DET_GROUP_CHECK(4,!( PINB & (1 << 3) )) \
- DET_GROUP_CHECK(5,!( PINB & (1 << 4) )) \
- DET_GROUP_CHECK(6,!( PINB & (1 << 5) )) \
- DET_GROUP_CHECK(7,!( PINB & (1 << 6) )) \
-
-// Combines the DET_GROUP_Xs above for the given groupArray
-#define DET_GROUP(group,det_group) \
- case group: \
- { \
- uint8_t groupArray[DETECT_group_size_##group] = DETECT_group_array_##group; \
- _delay_us(1); \
- DET_GROUP_##det_group \
- } \
- break;
-
-
-// Loop over all of the sampled keys of the given array
-// If the number of samples is higher than the sample threshold, flag the high bit, clear otherwise
-// This should be resetting VERY quickly, cutting off a potentially valid keypress is not an issue
-#define DEBOUNCE_ASSESS(table,size) \
- for ( uint8_t key = 1; key < size + 1; key++ ) {\
- table[key] = ( table[key] & ~(1 << 7) ) > SAMPLE_THRESHOLD ? (1 << 7) : 0x00; \
- } \
-
-
-// Keypad detection
-// Each switch has it's own detection line, inverse logic
-#define KEYPAD_DETECT(test,switch_code) \
- if ( !(test) ) { \
- keypadDetectArray[switch_code]++; \
- } \
-
-
-// NOTE: Highest Bit: Valid keypress (0x80 is valid keypress)
-// Other Bits: Pressed state sample counter
-uint8_t keyboardDetectArray[KEYBOARD_SIZE + 1];
-
-// Interrupt Variables
-uint16_t sendKeypressCounter = 0;
-volatile uint8_t sendKeypresses = 0;
-void detection( int group )
-{
- // XXX Modify for different detection groups <-> groupArray mappings
- switch ( group ) {
- DET_GROUP(1,2)
- DET_GROUP(2,2)
- DET_GROUP(3,3)
- DET_GROUP(4,4)
- DET_GROUP(5,2)
- DET_GROUP(6,2)
- DET_GROUP(7,4)
- DET_GROUP(8,4)
- DET_GROUP(9,1)
- }
-}
-*/
+// ----- Macros -----
+#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
-// Error LED Control
-void errorLED( uint8_t on )
-{
- // Error LED On
- if ( on ) {
- DDRD |= (1<<6);
- PORTD |= (1<<6);
- }
- // Error LED Off
- else {
- DDRD &= ~(1<<6);
- PORTD &= ~(1<<6);
- }
-}
+
+
+// ----- Variables -----
+
+// Timer Interrupt for flagging a send of the sampled key detection data to the USB host
+uint16_t sendKeypressCounter = 0;
+
+// Flag generated by the timer interrupt
+volatile uint8_t sendKeypresses = 0;
-// Initial Pin Setup
-// If the matrix is properly set, this function does not need to be changed
+// ----- Functions -----
+
+// Initial Pin Setup, make sure they are sane
inline void pinSetup(void)
{
+
// For each pin, 0=input, 1=output
+#if defined(__AVR_AT90USB1286__)
DDRA = 0x00;
+#endif
DDRB = 0x00;
DDRC = 0x00;
- DDRD = 0x40; // LED Setup
+ DDRD = 0x00;
DDRE = 0x00;
DDRF = 0x00;
// Setting pins to either high or pull-up resistor
+#if defined(__AVR_AT90USB1286__)
PORTA = 0x00;
+#endif
PORTB = 0x00;
PORTC = 0x00;
- PORTD = 0x40; // LED Enable
+ PORTD = 0x00;
PORTE = 0x00;
PORTF = 0x00;
}
-/*
-// 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.
-void keyPressDetection( uint8_t *keys, uint8_t *validKeys, uint8_t numberOfKeys, uint8_t *modifiers, uint8_t numberOfModifiers, uint8_t *map ) {
- for ( uint8_t key = 0; key < numberOfKeys + 1; key++ ) {
- if ( keys[key] & (1 << 7) ) {
- pint8( key );
- //print(" ");
- uint8_t modFound = 0;
-
- // Determine if the key is a modifier
- for ( uint8_t mod = 0; mod < numberOfModifiers; mod++ ) {
- // Modifier found
- if ( modifiers[mod] == key ) {
- keyboard_modifier_keys |= map[key];
- modFound = 1;
- break;
- }
- }
- if ( modFound )
- continue;
- // Too many keys
- if ( *validKeys == 6 )
- break;
-
- // Allow ignoring keys with 0's
- if ( map[key] != 0 )
- keyboard_keys[(*validKeys)++] = map[key];
- }
- }
-}
-*/
-
-int main( void )
+int main(void)
{
// Setup with 16 MHz clock
CPU_PRESCALE( 0 );
// Configuring Pins
pinSetup();
+ init_errorLED();
- // 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);
+ // Setup USB Module
+ usb_setup();
// Setup ISR Timer for flagging a kepress send to USB
// Set to 256 * 1024 (8 bit timer with Clock/1024 prescalar) timer
TIMSK0 = (1 << TOIE0);
// Main Detection Loop
- while ( 1 ) {
- scan_loop();
-
- // Loop should never get here (indicate error)
- errorLED( 1 );
-
- // TODO HID Debug message
- }
-}
-/*
- int8_t group = 1;
- uint8_t count = 0;
- for ( ;;group++ ) {
- // XXX Change number of ORDs if number of lines (RowsxColumns) differ
- // Determine which keys are being pressed
- switch ( group ) {
- DD_CASE_ORD(1)
- DD_CASE_ORD(2)
- DD_CASE_ORD(3)
- DD_CASE_ORD(4)
- DD_CASE_ORD(5)
- DD_CASE_ORD(6)
- DD_CASE_ORD(7)
- DD_CASE_ORD(8)
- DD_CASE_END(9,group)
- }
+ uint8_t ledTimer = 15; // Enable LED for a short time
+ while ( 1 )
+ {
+ // Setup the scanning module
+ scan_setup();
+
+ while ( 1 )
+ {
+ // Acquire Key Indices
+ // Loop continuously until scan_loop returns 0
+ cli();
+ while ( scan_loop() );
+ sei();
+
+ // Run Macros over Key Indices and convert to USB Keys
+ process_macros();
+
+ // Send keypresses over USB if the ISR has signalled that it's time
+ if ( !sendKeypresses )
+ continue;
- // Check all Keyboard keys first
- if ( group != -1 )
- continue;
-
- // Check Keypad keys
- KEYPAD_DETECT(PINA & (1 << 0),11)
- KEYPAD_DETECT(PINA & (1 << 1),3)
- KEYPAD_DETECT(PINA & (1 << 2),7)
- KEYPAD_DETECT(PINA & (1 << 3),4)
- KEYPAD_DETECT(PINA & (1 << 4),15)
- KEYPAD_DETECT(PINA & (1 << 5),6)
- KEYPAD_DETECT(PINA & (1 << 6),2)
- KEYPAD_DETECT(PINA & (1 << 7),10)
- KEYPAD_DETECT(PINF & (1 << 0),8)
- KEYPAD_DETECT(PINF & (1 << 1),12)
- KEYPAD_DETECT(PINF & (1 << 2),16)
- KEYPAD_DETECT(PINF & (1 << 3),13)
- KEYPAD_DETECT(PINF & (1 << 4),1)
- KEYPAD_DETECT(PINF & (1 << 5),5)
- KEYPAD_DETECT(PINF & (1 << 6),9)
- KEYPAD_DETECT(PINF & (1 << 7),14)
-
- // Check count to see if the sample threshold may have been reached, otherwise collect more data
- count++;
- if ( count < MAX_SAMPLES )
- continue;
-
- // Reset Sample Counter
- count = 0;
-
- // Assess debouncing sample table
- DEBOUNCE_ASSESS(keyDetectArray,KEYBOARD_SIZE)
- DEBOUNCE_ASSESS(keypadDetectArray,KEYPAD_SIZE)
-
- // Send keypresses over USB if the ISR has signalled that it's time
- if ( !sendKeypresses )
- continue;
-
- // Detect Valid Keypresses - TODO
- uint8_t validKeys = 0;
-
- uint8_t *keyboard_MODMASK = keyboard_modifierMask;
- uint8_t keyboard_NUMMODS = MODIFIERS_KEYBOARD;
- uint8_t *keyboard_MAP = defaultMap;
- uint8_t *keypad_MODMASK = keypad_modifierMask;
- uint8_t keypad_NUMMODS = MODIFIERS_KEYPAD;
- uint8_t *keypad_MAP = keypadDefaultMap;
-
- // Map selection - CapsLock FN
- if ( keyDetectArray[34] & (1 << 7) ) { // CapsLock FN Modifier
- keyboard_MAP = colemakMap;
- keyboard_MODMASK = alternate_modifierMask;
- keyboard_NUMMODS = 5;
-
- // Function Key
- if ( keyDetectArray[61] & (1 << 7) ) {
- keyboard_MAP = navigationMap;
- }
- }
+ // Send USB Data
+ usb_send();
- keyPressDetection( keyDetectArray, &validKeys, KEYBOARD_SIZE, keyboard_MODMASK, keyboard_NUMMODS, keyboard_MAP );
- keyPressDetection( keypadDetectArray, &validKeys, KEYPAD_SIZE, keypad_MODMASK, keypad_NUMMODS, keypad_MAP );
- //print(":\n");
+ // Clear sendKeypresses Flag
+ sendKeypresses = 0;
- // TODO undo potentially old keys
- for ( uint8_t c = validKeys; c < 6; c++ )
- keyboard_keys[c] = 0;
+ // Indicate Error, if valid
+ errorLED( ledTimer );
- // Send keypresses
- usb_keyboard_send();
+ if ( ledTimer > 0 )
+ ledTimer--;
+ }
- // Clear sendKeypresses Flag
- sendKeypresses = 0;
+ // Loop should never get here (indicate error)
+ ledTimer = 255;
- // Clear modifiers
- keyboard_modifier_keys = 0;
+ // HID Debug Error message
+ erro_print("Detection loop error, this is very bad...bug report!");
}
-
- return 0;
}
-*/
-// Timer Interrupt for flagging a send of the sampled key detection data to the USB host
+// USB Keyboard Data Send Counter Interrupt
ISR( TIMER0_OVF_vect )
{
sendKeypressCounter++;
projects / kiibohd-controller.git / blobdiff