cleanup: makefile, hbc and removed unused files

diff --git a/Makefile b/Makefile
index 8b4955b..9012305 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -22,10 +22,10 @@ CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
 LDFLAGS = -Wl,-Map,hbc.map
 TARGET_ARCH = -mmcu=$(MCU)
 
-DEPS = haptic.h
+DEPS =
 
 ODIR = obj
-_OBJ = hbc.o haptic.o
+_OBJ = hbc.o
 OBJ = $(patsubst %, $(ODIR)/%,$(_OBJ))
 
 $(ODIR)/%.o: %.c $(DEPS)

diff --git a/haptic.c b/haptic.c
deleted file mode 100644 (file)
index 727c3b2..0000000
--- a/haptic.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <avr/io.h>
-#include "haptic.h"
-
-void set_lra_as_sensor(void)
-{
-       /* enable interrupt routine and 
-        * set correct PINs */  
-}
-
-void set_lra_as_actuator(void)
-{
-       /* set correct PINs */
-}
-
-/* play random haptic effect on lra
- * lra is used as an actuator*/
-void play_haptic(void)
-{
-       int c = CLICK;
-       switch(c) {
-               case CLICK: 
-                       break;
-               default: 
-                       break;
-       }
-}

diff --git a/haptic.h b/haptic.h
deleted file mode 100644 (file)
index ec02bd0..0000000
--- a/haptic.h
+++ /dev/null
@@ -1,10 +0,0 @@
-enum {
-       CLICK = 0,
-       DOUBLE_CLICK,
-       SWEEP,
-       BUZZ,
-};
-
-void set_lra_as_sensor(void);
-void set_lra_as_actuator(void);
-void play_haptic(void);

diff --git a/hbc.c b/hbc.c
index 38332a1..30a1769 100644 (file)
--- a/hbc.c
+++ b/hbc.c
@@ -7,12 +7,12 @@
 #include <avr/power.h>
 #include <avr/interrupt.h>
 #include <util/delay.h>
-#include "haptic.h"
        
 ISR(SIG_COMPARATOR)
 {
        if (ACSR & (1 << ACO)) {
                PORTB |= (1 << PB4);
+               /* turn of comparator on detection */
                ACSR &= ~(1 << ACIE);
        } else {
                PORTB &= ~(1 << PB4);
@@ -31,9 +31,6 @@ static void init_board(void)
 {
        power_adc_disable();
        wdt_disable();
-       /* enable interal reference for 
-        * comparator 
-        * When the bandgap reference is connected to the Analog Comparator (by setting the ACBG bit in ACSR). */
 }
 
 static void set_ref_voltage(void)
@@ -52,11 +49,14 @@ static void config_comparator(void)
        ADCSRA = 0;
        ADCSRB |= (1 << ACME); /* multiplex enable */
        
-       //ADMUX |= (1 << MUX0); /* ADC1 as negative input */
+       /* Use admux to set alternative negative pin */
+       //ADMUX |= (1 << MUX0);
        
+       /* enable interal reference for 
+        * comparator 
+        * When the bandgap reference is connected to the Analog Comparator (by setting the ACBG bit in ACSR). */
        ACSR &= ~(1 << ACD); /* enable comparator */
        ACSR |= (1 << ACBG);
-       //ACSR |= (1 << ACIS1) | (1 << ACIS0);
 
        DIDR0 |= (1 << AIN1D) | (1 << AIN0D);
 
@@ -68,10 +68,8 @@ int main(void)
        init_board();
 
        DDRB |= (1 << DDB4);
-       //PORTB |= (1 << PB1);
 
        cli();
-       //set_ref_voltage();
        config_comparator();
        sei();
        switch_idle();