/* Copyright (C) 2011-2013 by Joseph Makuch
* Additions by Jacob Alexander (2013)
*
- * dfj, put whatever license here you want -HaaTa
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// ----- Includes -----
// ----- Defines -----
-// TODO dfj defines...needs cleaning up and commenting...
-#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))
-
+// TODO dfj defines...needs commenting and maybe some cleaning...
#define MAX_PRESS_DELTA_MV 470
#define THRESHOLD_MV (MAX_PRESS_DELTA_MV >> 1)
//(2560 / (0x3ff/2)) ~= 5
#define BUMP_DETECTION 0
#define BUMP_THRESHOLD 0x50
-//((THRESHOLD) * 3)
#define BUMP_REST_US 1200
#define STROBE_SETTLE 1
#define MUX_SETTLE 1
-#define HYST 1
-#define HYST_T 0x10
-
#define TEST_KEY_STROBE (0x05)
#define TEST_KEY_MASK (1 << 0)
#define ADHSM 7
-/** Whether to use all of D and C, vs using E0, E1 instead of D6, D7,
- * or alternately all of D, and E0,E1 and C0,..5 */
-//#define ALL_D_C
-//#define SHORT_D
-#define SHORT_C
-
-// rough offset voltage: one diode drop, about 50mV = 0x3ff * 50/3560 = 20
-//#define OFFSET_VOLTAGE 0x14
-//#define OFFSET_VOLTAGE 0x28
-
-
#define RIGHT_JUSTIFY 0
#define LEFT_JUSTIFY (0xff)
// set left or right justification here:
#define JUSTIFY_ADC RIGHT_JUSTIFY
-
#define ADLAR_MASK (1 << ADLAR)
+
#ifdef JUSTIFY_ADC
#define ADLAR_BITS ((ADLAR_MASK) & (JUSTIFY_ADC))
#else // defaults to right justification.
#define ADLAR_BITS 0
#endif
-
// full muxmask
#define FULL_MUX_MASK ((1 << MUX0) | (1 << MUX1) | (1 << MUX2) | (1 << MUX3) | (1 << MUX4))
// F0-f7 pins only muxmask.
#define MUX_MASK ((1 << MUX0) | (1 << MUX1) | (1 << MUX2))
-#define SET_MUX(X) ((ADMUX) = (((ADMUX) & ~(MUX_MASK)) | ((X) & (MUX_MASK))))
-#define SET_FULL_MUX(X) ((ADMUX) = (((ADMUX) & ~(FULL_MUX_MASK)) | ((X) & (FULL_MUX_MASK))))
-
-#define MUX_1_1 0x1e
-#define MUX_GND 0x1f
-
+// Strobe Masks
+#define D_MASK (0xff)
+#define E_MASK (0x03)
+#define C_MASK (0xff)
- // set ADC clock prescale
+// set ADC clock prescale
#define PRESCALE_MASK ((1 << ADPS0) | (1 << ADPS1) | (1 << ADPS2))
#define PRESCALE_SHIFT (ADPS0)
#define PRESCALE 3
-
-#ifdef EXTENDED_STROBE
-
-#define STROBE_LINES 18
-
-#else
-
+// TODO Remove this define when unnecessary -HaaTa
#define STROBE_LINES 16
-#endif
-
-#define STROBE_LINES_XSHIFT 4
-#define STROBE_LINES_MASK 0x0f
#define MUXES_COUNT 8
#define MUXES_COUNT_XSHIFT 3
-#define MUXES_MASK 0x7
#define WARMUP_LOOPS ( 1024 )
-#define RECOVERY_US 2
-
#define SAMPLES 10
-
-
#define SAMPLE_OFFSET ((SAMPLES) - MUXES_COUNT)
-//#define SAMPLE_OFFSET 9
-#define STROBE_OFFSET 0
-
#define SAMPLE_CONTROL 3
+// TODO Figure out calculation or best way to determine at startup -HaaTa
//#define DEFAULT_KEY_BASE 0xc8
#define DEFAULT_KEY_BASE 0x95
#define KEY_COUNT ((STROBE_LINES) * (MUXES_COUNT))
-#define LX2FX
-
-
#define RECOVERY_CONTROL 1
+#define RECOVERY_SOURCE 0
+#define RECOVERY_SINK 2
-#define RECOVERY_SOURCE 0
-#define RECOVERY_SINK 2
-#define RECOVERY_MASK 0x03
-
-#define ON 1
+#define ON 1
#define OFF 0
-
// mix in 1/4 of the current average to the running average. -> (@mux_mix = 2)
#define MUX_MIX 2
-
#define IDLE_COUNT_MASK 0xff
-#define IDLE_COUNT_MAX (IDLE_COUNT_MASK + 1)
#define IDLE_COUNT_SHIFT 8
-#define KEYS_AVERAGES_MIX 2
-
-
-#ifdef ALL_D_C
-
-#define D_MASK (0xff)
-#define D_SHIFT 0
-
-#define E_MASK (0x00)
-#define E_SHIFT 0
-
-#define C_MASK (0xff)
-#define C_SHIFT 8
-
-#else
-#if defined(SHORT_D)
-
-#define D_MASK (0x3f)
-#define D_SHIFT 0
-
-#define E_MASK (0x03)
-#define E_SHIFT 6
-
-#define C_MASK (0xff)
-#define C_SHIFT 8
-
-#else
-#if defined(SHORT_C)
-
-#define D_MASK (0xff)
-#define D_SHIFT 0
-
-#define E_MASK (0x03)
-#define E_SHIFT 6
-
-#define C_MASK (0xff)
-#define C_SHIFT 8
-#endif
-#endif
-#endif
-
-
+// av = (av << shift) - av + sample; av >>= shift
+// e.g. 1 -> (av + sample) / 2 simple average of new and old
+// 2 -> (3 * av + sample) / 4 i.e. 3:1 mix of old to new.
+// 3 -> (7 * av + sample) / 8 i.e. 7:1 mix of old to new.
+#define KEYS_AVERAGES_MIX_SHIFT 3
if ( KeyIndex_BufferUsed < KEYBOARD_BUFFER ) \
KeyIndex_Buffer[KeyIndex_BufferUsed++] = byte
-
-// TODO dfj macros...needs cleaning up and commenting...
-#define STROBE_CASE(SC_CASE, SC_REG_A) case (SC_CASE): PORT##SC_REG_A = \
- (( (PORT##SC_REG_A) & ~(1 << (SC_CASE - SC_REG_A##_SHIFT)) ) | (1 << (SC_CASE - SC_REG_A##_SHIFT)))
-
-#define SET_MUX(X) ((ADMUX) = (((ADMUX) & ~(MUX_MASK)) | ((X) & (MUX_MASK))))
+// Select mux
#define SET_FULL_MUX(X) ((ADMUX) = (((ADMUX) & ~(FULL_MUX_MASK)) | ((X) & (FULL_MUX_MASK))))
-
-
// ----- Variables -----
// Buffer used to inform the macro processing module which keys have been detected as pressed
// TODO dfj variables...needs cleaning up and commenting
- uint8_t blink = 0;
volatile uint16_t full_av = 0;
-/**/ uint8_t ze_strober = 0;
+uint8_t ze_strober = 0;
uint16_t samples [SAMPLES];
-//int16_t gsamples [SAMPLES];
-
-int16_t adc_mux_averages[MUXES_COUNT];
-int16_t adc_strobe_averages[STROBE_LINES];
-
+uint16_t adc_mux_averages [MUXES_COUNT];
+uint16_t adc_strobe_averages[STROBE_LINES];
uint8_t cur_keymap[STROBE_LINES];
-// /**/ int8_t last_keymap[STROBE_LINES];
uint8_t usb_keymap[STROBE_LINES];
-uint16_t keys_down=0;
-uint8_t dirty;
-uint8_t unstable;
uint8_t usb_dirty;
uint16_t threshold = 0x25; // HaaTa Hack -TODO
//uint16_t threshold = 0x16; // HaaTa Hack -TODO
//uint16_t threshold = THRESHOLD;
-uint16_t tests = 0;
-
-uint8_t col_a=0;
-uint8_t col_b=0;
-uint8_t col_c=0;
-
-uint8_t column=0;
+uint8_t column = 0;
uint16_t keys_averages_acc[KEY_COUNT];
uint16_t keys_averages[KEY_COUNT];
uint8_t full_samples[KEY_COUNT];
-// 0x9f...f
-// #define COUNT_MASK 0x9fff
-// #define COUNT_HIGH_BIT (INT16_MIN)
// TODO: change this to 'booting', then count down.
uint16_t boot_count = 0;
-uint16_t idle_count=0;
+uint16_t idle_count = 0;
uint8_t idle = 1;
-uint16_t count = 0;
-
uint8_t error = 0;
uint16_t error_data = 0;
-
-int16_t mux_averages[MUXES_COUNT];
-int16_t strobe_averages[STROBE_LINES];
+uint16_t mux_averages[MUXES_COUNT];
+uint16_t strobe_averages[STROBE_LINES];
uint8_t dump_count = 0;
-
-//uint8_t column =0;
uint16_t db_delta = 0;
-uint8_t db_sample = 0;
+uint8_t db_sample = 0;
uint16_t db_threshold = 0;
// TODO dfj code...needs cleanup + commenting...
setup_ADC();
- DDRC = C_MASK;
+ DDRC = C_MASK;
PORTC = 0;
- DDRD = D_MASK;
+ DDRD = D_MASK;
PORTD = 0;
- DDRE = E_MASK;
+ DDRE = E_MASK;
PORTE = 0 ;
- //DDRC |= (1 << 6);
- //PORTC &= ~(1<< 6);
-
- //uint16_t strobe = 1;
-
// TODO all this code should probably be in scan_resetKeyboard
for (int i=0; i < STROBE_LINES; ++i) {
cur_keymap[i] = 0;
- //last_keymap[i] = 0;
usb_keymap[i] = 0;
}
uint8_t strober = 0;
uint32_t full_av_acc = 0;
- for (strober = 0; strober < STROBE_LINES; ++strober) {
+ for (strober = 0; strober < STROBE_LINES; ++strober)
+ {
- uint8_t tries;
- tries = 1;
- while (tries++ && sampleColumn(strober)) { tries &= 0x7; } // don't waste this one just because the last one was poop.
+ uint8_t tries = 1;
+ while ( tries++ && sampleColumn( strober ) ) { tries &= 0x7; } // don't waste this one just because the last one was poop.
column = testColumn(strober);
idle |= column; // if column has any pressed keys, then we are not idle.
- if( column != cur_keymap[strober] && (boot_count >= WARMUP_LOOPS) ) {
- tests++;
-
+ if( column != cur_keymap[strober] && ( boot_count >= WARMUP_LOOPS ) )
+ {
cur_keymap[strober] = column;
usb_dirty = 1;
}
idle |= usb_dirty; // if any keys have changed inc. released, then we are not idle.
- if(error == 0x50) {
+ if ( error == 0x50 )
+ {
error_data |= (((uint16_t)strober) << 12);
}
uint8_t strobe_line = strober << MUXES_COUNT_XSHIFT;
- for(int i=0; i<MUXES_COUNT; ++i) {
+ for ( int i = 0; i < MUXES_COUNT; ++i )
+ {
// discard sketchy low bit, and meaningless high bits.
uint8_t sample = samples[SAMPLE_OFFSET + i] >> 1;
full_samples[strobe_line + i] = sample;
keys_averages_acc_count++;
strobe_averages[strober] = 0;
- for (uint8_t i = SAMPLE_OFFSET; i < (SAMPLE_OFFSET + MUXES_COUNT); ++i) {
- //samples[i] -= samples[i-SAMPLE_OFFSET]; // av; // + full_av); // -something.
- //samples[i] -= OFFSET_VOLTAGE; // moved to sampleColumn.
-
+ for ( uint8_t i = SAMPLE_OFFSET; i < ( SAMPLE_OFFSET + MUXES_COUNT ); ++i )
+ {
full_av_acc += (samples[i]);
#ifdef COLLECT_STROBE_AVERAGES
mux_averages[i - SAMPLE_OFFSET] += samples[i];
strobe_averages[strober] += samples[i];
#endif
- //samples[i] -= (full_av - HYST_T);
-
- //++count;
}
#ifdef COLLECT_STROBE_AVERAGES
adc_strobe_averages[strober] >>= 1;
/** test if we went negative. */
- if ((adc_strobe_averages[strober] & 0xFF00) && (boot_count
- >= WARMUP_LOOPS)) {
+ if ( ( adc_strobe_averages[strober] & 0xFF00 ) && ( boot_count >= WARMUP_LOOPS ) )
+ {
error = 0xf; error_data = adc_strobe_averages[strober];
}
#endif
#ifdef VERIFY_TEST_PAD
// verify test key is not down.
- if((cur_keymap[TEST_KEY_STROBE] & TEST_KEY_MASK) ) {
- //count=0;
+ if ( ( cur_keymap[TEST_KEY_STROBE] & TEST_KEY_MASK ) )
+ {
error = 0x05;
error_data = cur_keymap[TEST_KEY_STROBE] << 8;
error_data += full_samples[TEST_KEY_STROBE * 8];
#ifdef COLLECT_STROBE_AVERAGES
// calc mux averages.
- if (boot_count < WARMUP_LOOPS) {
+ if ( boot_count < WARMUP_LOOPS )
+ {
full_av += (full_av_acc >> (7));
full_av >>= 1;
- //full_av = full_av_acc / count;
full_av_acc = 0;
- for (int i=0; i < MUXES_COUNT; ++i) {
-#define MUX_MIX 2 // mix in 1/4 of the current average to the running average. -> (@mux_mix = 2)
+ for ( int i = 0; i < MUXES_COUNT; ++i )
+ {
adc_mux_averages[i] = (adc_mux_averages[i] << MUX_MIX) - adc_mux_averages[i];
adc_mux_averages[i] += (mux_averages[i] >> 4);
adc_mux_averages[i] >>= MUX_MIX;
}
#endif
-// av = (av << shift) - av + sample; av >>= shift
-// e.g. 1 -> (av + sample) / 2 simple average of new and old
-// 2 -> (3 * av + sample) / 4 i.e. 3:1 mix of old to new.
-// 3 -> (7 * av + sample) / 8 i.e. 7:1 mix of old to new.
-#define KEYS_AVERAGES_MIX_SHIFT 3
-
/** aggregate if booting, or if idle;
* else, if not booting, check for dirty USB.
* */
idle_count++;
idle_count &= IDLE_COUNT_MASK;
- idle = idle && !keys_down;
-
- if (boot_count < WARMUP_LOOPS) {
+ if ( boot_count < WARMUP_LOOPS )
+ {
error = 0x0C;
error_data = boot_count;
boot_count++;
- } else { // count >= WARMUP_LOOPS
- if (usb_dirty) {
- for (int i=0; i < STROBE_LINES; ++i) {
+ }
+ else
+ {
+ if ( usb_dirty )
+ {
+ for ( int i = 0; i < STROBE_LINES; ++i )
+ {
usb_keymap[i] = cur_keymap[i];
}
dumpkeys();
- usb_dirty=0;
+ usb_dirty = 0;
memset(((void *)keys_averages_acc), 0, (size_t)(KEY_COUNT * sizeof (uint16_t)));
keys_averages_acc_count = 0;
idle_count = 0;
_delay_us(100);
}
- if (!idle_count) {
- if(idle) {
+ if ( !idle_count )
+ {
+ if( idle )
+ {
// aggregate
- for (uint8_t i = 0; i < KEY_COUNT; ++i) {
+ for ( uint8_t i = 0; i < KEY_COUNT; ++i )
+ {
uint16_t acc = keys_averages_acc[i] >> IDLE_COUNT_SHIFT;
uint32_t av = keys_averages[i];
}
keys_averages_acc_count = 0;
- if(boot_count >= WARMUP_LOOPS) {
+ if ( boot_count >= WARMUP_LOOPS )
+ {
dump();
}
}
-void _delay_loop(uint8_t __count)
+void _delay_loop( uint8_t __count )
{
__asm__ volatile (
"1: dec %0" "\n\t"
}
-void setup_ADC (void) {
+void setup_ADC()
+{
// disable adc digital pins.
DIDR1 |= (1 << AIN0D) | (1<<AIN1D); // set disable on pins 1,0.
- //DIDR0 = 0xff; // disable all. (port F, usually). - testing w/o disable.
DDRF = 0x0;
PORTF = 0x0;
uint8_t mux = 0 & 0x1f; // 0 == first. // 0x1e = 1.1V ref.
// 0 = external aref 1,1 = 2.56V internal ref
uint8_t aref = ((1 << REFS1) | (1 << REFS0)) & ((1 << REFS1) | (1 << REFS0));
-// uint8_t adlar = 0xff & (1 << ADLAR); // 1 := left justify bits, 0 := right
uint8_t adate = (1 << ADATE) & (1 << ADATE); // trigger enable
uint8_t trig = 0 & ((1 << ADTS0) | (1 << ADTS1) | (1 << ADTS2)); // 0 = free running
// ps2, ps1 := /64 ( 2^6 ) ps2 := /16 (2^4), ps1 := 4, ps0 :=2, PS1,PS0 := 8 (2^8)
uint8_t hispeed = (1 << ADHSM);
uint8_t en_mux = (1 << ACME);
- //ADCSRA = (ADCSRA & ~PRESCALES) | ((1 << ADPS1) | (1 << ADPS2)); // 2, 1 := /64 ( 2^6 )
- //ADCSRA = (ADCSRA & ~PRESCALES) | ((1 << ADPS0) | (1 << ADPS2)); // 2, 0 := /32 ( 2^5 )
- //ADCSRA = (ADCSRA & ~PRESCALES) | ((1 << ADPS2)); // 2 := /16 ( 2^4 )
-
ADCSRA = (1 << ADEN) | prescale; // ADC enable
// select ref.
//ADMUX &= ~((1 << REFS1) | (1 << REFS0)); // 0,0 : aref.
ADMUX = aref | mux | ADLAR_BITS;
- // enable MUX
- // ADCSRB |= (1 << ACME); // enable
- // ADCSRB &= ~(1 << ADEN); // ?
-
- // select first mux.
- //ADMUX = (ADMUX & ~MUXES); // start at 000 = ADC0
-
- // clear adlar to left justify data
- //ADMUX = ~();
-
- // set adlar to right justify data
- //ADMUX |= (1 << ADLAR);
-
-
// set free-running
ADCSRA |= adate; // trigger enable
ADCSRB = en_mux | hispeed | trig | (ADCSRB & ~((1 << ADTS0) | (1 << ADTS1) | (1 << ADTS2))); // trigger select free running
-// ADCSRA |= (1 << ADATE); // tiggger enable
-
ADCSRA |= (1 << ADEN); // ADC enable
ADCSRA |= (1 << ADSC); // start conversions q
}
-void recovery(uint8_t on) {
- DDRB |= (1 << RECOVERY_CONTROL);
-
- PORTB &= ~(1 << RECOVERY_SINK); // SINK always zero
- DDRB &= ~(1 << RECOVERY_SOURCE); // SOURCE high imp
+void recovery( uint8_t on )
+{
+ DDRB |= (1 << RECOVERY_CONTROL);
+ PORTB &= ~(1 << RECOVERY_SINK); // SINK always zero
+ DDRB &= ~(1 << RECOVERY_SOURCE); // SOURCE high imp
- if(on) {
+ if ( on )
+ {
// set strobes to sink to gnd.
DDRC |= C_MASK;
DDRD |= D_MASK;
PORTD &= ~D_MASK;
PORTE &= ~E_MASK;
- DDRB |= (1 << RECOVERY_SINK); // SINK pull
-
+ DDRB |= (1 << RECOVERY_SINK); // SINK pull
PORTB |= (1 << RECOVERY_CONTROL);
-
PORTB |= (1 << RECOVERY_SOURCE); // SOURCE high
- DDRB |= (1 << RECOVERY_SOURCE);
- } else {
-// _delay_loop(10);
+ DDRB |= (1 << RECOVERY_SOURCE);
+ }
+ else
+ {
PORTB &= ~(1 << RECOVERY_CONTROL);
-
- DDRB &= ~(1 << RECOVERY_SOURCE);
+ DDRB &= ~(1 << RECOVERY_SOURCE);
PORTB &= ~(1 << RECOVERY_SOURCE); // SOURCE low
- DDRB &= ~(1 << RECOVERY_SINK); // SINK high-imp
-
- //DDRB &= ~(1 << RECOVERY_SINK);
+ DDRB &= ~(1 << RECOVERY_SINK); // SINK high-imp
}
}
-void hold_sample(uint8_t on) {
- if (!on) {
+void hold_sample( uint8_t on )
+{
+ if ( !on )
+ {
PORTB |= (1 << SAMPLE_CONTROL);
- DDRB |= (1 << SAMPLE_CONTROL);
- } else {
- DDRB |= (1 << SAMPLE_CONTROL);
+ DDRB |= (1 << SAMPLE_CONTROL);
+ }
+ else
+ {
+ DDRB |= (1 << SAMPLE_CONTROL);
PORTB &= ~(1 << SAMPLE_CONTROL);
}
}
-void strobe_w(uint8_t strobe_num) {
-
+void strobe_w( uint8_t strobe_num )
+{
PORTC &= ~(C_MASK);
PORTD &= ~(D_MASK);
PORTE &= ~(E_MASK);
}
-inline uint16_t getADC() {
+inline uint16_t getADC(void)
+{
ADCSRA |= (1 << ADIF); // clear int flag by writing 1.
+
//wait for last read to complete.
- while (! (ADCSRA & (1 << ADIF)));
+ while ( !( ADCSRA & (1 << ADIF) ) );
+
return ADC; // return sample
}
-int sampleColumn_8x(uint8_t column, uint16_t * buffer) {
+int sampleColumn_8x( uint8_t column, uint16_t * buffer )
+{
// ensure all probe lines are driven low, and chill for recovery delay.
- uint16_t sample;
-
ADCSRA |= (1 << ADEN) | (1 << ADSC); // enable and start conversions
- // sync up with adc clock:
- //sample = getADC();
-
PORTC &= ~C_MASK;
PORTD &= ~D_MASK;
PORTE &= ~E_MASK;
PORTF = 0;
- DDRF = 0;
+ DDRF = 0;
recovery(OFF);
strobe_w(column);
hold_sample(OFF);
SET_FULL_MUX(0);
- for(uint8_t i=0; i < STROBE_SETTLE; ++i) {
- sample = getADC();
- }
+
+ for ( uint8_t i = 0; i < STROBE_SETTLE; ++i ) { getADC(); }
+
hold_sample(ON);
#undef MUX_SETTLE
#if (MUX_SETTLE)
- for(uint8_t mux=0; mux < 8; ++mux) {
-
+ for ( uint8_t mux = 0; mux < 8; ++mux )
+ {
SET_FULL_MUX(mux); // our sample will use this
- // wait for mux to settle.
- for(uint8_t i=0; i < MUX_SETTLE; ++i) {
- sample = getADC();
- }
+ // wait for mux to settle.
+ for ( uint8_t i = 0; i < MUX_SETTLE; ++i ) { getADC(); }
// retrieve current read.
- buffer[mux] = getADC();// - OFFSET_VOLTAGE;
-
+ buffer[mux] = getADC();
}
#else
- uint8_t mux=0;
+ uint8_t mux = 0;
SET_FULL_MUX(mux);
- sample = getADC(); // throw away; unknown mux.
+ getADC(); // throw away; unknown mux.
do {
SET_FULL_MUX(mux + 1); // our *next* sample will use this
// retrieve current read.
- buffer[mux] = getADC();// - OFFSET_VOLTAGE;
+ buffer[mux] = getADC();
mux++;
} while (mux < 8);
}
-int sampleColumn(uint8_t column) {
+int sampleColumn( uint8_t column )
+{
int rval = 0;
- rval = sampleColumn_8x(column, samples+SAMPLE_OFFSET);
+ rval = sampleColumn_8x( column, samples + SAMPLE_OFFSET );
#if (BUMP_DETECTION)
- for(uint8_t i=0; i<8; ++i) {
- if(samples[SAMPLE_OFFSET + i] - adc_mux_averages[i] > BUMP_THRESHOLD) {
+ for ( uint8_t i = 0; i < 8; ++i )
+ {
+ if ( samples[SAMPLE_OFFSET + i] - adc_mux_averages[i] > BUMP_THRESHOLD )
+ {
// was a hump
-
_delay_us(BUMP_REST_US);
rval++;
error = 0x50;
}
-uint8_t testColumn(uint8_t strobe)
+uint8_t testColumn( uint8_t strobe )
{
uint8_t column = 0;
uint8_t bit = 1;
- for (uint8_t i = 0; i < MUXES_COUNT; ++i)
+ for ( uint8_t i = 0; i < MUXES_COUNT; ++i )
{
uint16_t delta = keys_averages[(strobe << MUXES_COUNT_XSHIFT) + i];
- if ((db_sample = samples[SAMPLE_OFFSET + i] >> 1) > (db_threshold = threshold) + (db_delta = delta))
+ if ( (db_sample = samples[SAMPLE_OFFSET + i] >> 1) > (db_threshold = threshold) + (db_delta = delta) )
{
column |= bit;
}
}
-void dumpkeys(void) {
- //print(" \n");
- if(error) {
- /*
- if (count >= WARMUP_LOOPS && error) {
+void dumpkeys()
+{
+ if ( error )
+ {
+ erro_print("Problem detected...");
+
+ if ( boot_count >= WARMUP_LOOPS )
+ {
dump();
}
- */
// Key scan debug
- for (uint8_t i=0; i < STROBE_LINES; ++i) {
+ for ( uint8_t i = 0; i < STROBE_LINES; ++i )
+ {
printHex(usb_keymap[i]);
print(" ");
}
}
// XXX Will be cleaned up eventually, but this will do for now :P -HaaTa
- for (uint8_t i=0; i < STROBE_LINES; ++i) {
- for(uint8_t j=0; j<MUXES_COUNT; ++j) {
- if ( usb_keymap[i] & (1 << j) ) {
+ for ( uint8_t i = 0; i < STROBE_LINES; ++i )
+ {
+ for ( uint8_t j = 0; j < MUXES_COUNT; ++j )
+ {
+ if ( usb_keymap[i] & (1 << j) )
+ {
uint8_t key = (i << MUXES_COUNT_XSHIFT) + j;
// Add to the Macro processing buffer
// Automatically handles converting to a USB code and sending off to the PC
//bufferAdd( key );
- if(usb_dirty)
+ if ( usb_dirty )
{
printHex( key );
print("\n");
}
}
}
- //if(usb_dirty) print("\n");
+
usb_keyboard_send();
}
void dump(void) {
-//#define DEBUG_FULL_SAMPLES_AVERAGES
#ifdef DEBUG_FULL_SAMPLES_AVERAGES
- if(!dump_count) { // we don't want to debug-out during the measurements.
-
+ // we don't want to debug-out during the measurements.
+ if ( !dump_count )
+ {
// Averages currently set per key
- for(int i =0; i< KEY_COUNT; ++i) {
- if(!(i & 0x0f)) {
+ for ( int i = 0; i < KEY_COUNT; ++i )
+ {
+ if ( !(i & 0x0f) )
+ {
print("\n");
- } else if (!(i & 0x07)) {
+ }
+ else if ( !(i & 0x07) )
+ {
print(" ");
}
+
print(" ");
- printHex (keys_averages[i]);
+ printHex( keys_averages[i] );
}
print("\n");
// Previously read full ADC scans?
- for(int i =0; i< KEY_COUNT; ++i) {
- if(!(i & 0x0f)) {
+ for ( int i = 0; i< KEY_COUNT; ++i)
+ {
+ if ( !(i & 0x0f) )
+ {
print("\n");
- } else if (!(i & 0x07)) {
+ }
+ else if ( !(i & 0x07) )
+ {
print(" ");
}
+
print(" ");
printHex(full_samples[i]);
}
// Previously read ADC scans on current strobe
print(" :");
- for (uint8_t i=0; i < MUXES_COUNT; ++i) {
+ for ( uint8_t i = 0; i < MUXES_COUNT; ++i )
+ {
print(" ");
printHex(full_samples[(cur_strober << MUXES_COUNT_XSHIFT) + i]);
}
// Averages current set on current strobe
print(" :");
- for (uint8_t i=0; i < MUXES_COUNT; ++i) {
+ for ( uint8_t i = 0; i < MUXES_COUNT; ++i )
+ {
print(" ");
printHex(keys_averages[(cur_strober << MUXES_COUNT_XSHIFT) + i]);
}
#endif
-//#define DEBUG_DELTA_SAMPLE_THRESHOLD
#ifdef DEBUG_DELTA_SAMPLE_THRESHOLD
print("\n");
- //uint16_t db_delta = 0;
- //uint16_t db_sample = 0;
- //uint16_t db_threshold = 0;
printHex( db_delta );
print(" ");
printHex( db_sample );
printHex( column );
#endif
-//#define DEBUG_USB_KEYMAP
#ifdef DEBUG_USB_KEYMAP
print("\n ");
// Current keymap values
- for (uint8_t i=0; i < STROBE_LINES; ++i) {
+ for ( uint8_t i = 0; i < STROBE_LINES; ++i )
+ {
printHex(cur_keymap[i]);
print(" ");
}