add makefile for attiny 45

main.c

@@ -1,9 +1,13 @@
+//#pragma GCC push_options
+//#pragma GCC optimize ("O0")
 #define F_CPU 8000000UL
 #include <util/delay.h>
 #include <avr/io.h>
 #include <avr/interrupt.h>
+#include <avr/power.h>
 
 #define PATTERN_COUNT 4
+#define attiny45
 
 typedef struct
 {
@@ -12,18 +16,20 @@ typedef struct
 	unsigned char b;
 	int time_hold;
 }rgbval;
-volatile uint16_t ms;
-volatile int  counts;
 
-ISR(TIMER0_OVF_vect)
+volatile uint16_t ms;
-{
+volatile uint16_t counts;
-		count();
+
-}
+void InitTimer0(void);
+void InitTimer1(void);
+void setrgb(unsigned int r,unsigned int g, unsigned int b);
+void InitInterrupts(void);
+
 void count(void)
 {
 	//counts=0;//0..65535 
 	counts++;
-	if(counts>=31)
+	if(counts>3)	//1m	//1ms
 	{
 			counts=0;
 			if(ms<60000)//1 minute
@@ -36,16 +42,19 @@ void count(void)
 			}
 	}
 }
-
+ISR(TIMER0_OVF_vect)
+{
+		count();
+}
 int main (void)
 {
-	rgbval pattern[6][PATTERN_COUNT]={	{{0,0,0,10},		{0,0,0,10},		{0,0,0,10},			{0,0,0,10}},
+rgbval pattern[6][PATTERN_COUNT]={	{{0,0,0,100},		{0,0,0,100},	{0,0,0,100},		{0,0,0,100}},
 										{{1,1,1,10},		{1,1,153,20}, 	{200,50,39,10}, 	{204,255,153,20}},
-										{{1,1,1,10},		{10,255,0,10},	{1,1,255,20},		{1,200,1,20}},
+										{{1,50,50,10},		{10,255,0,10},	{80,200,0,20},		{200,200,1,20}},
 										{{1,1,5,10},		{1,1,255,10},	{1,1,5,10},			{1,1,255,10}},
 										{{252,102,3,10},	{161,67,47,10},	{118,120,74,10},	{83,120,74,20}},
 										{{87,119,122,10}, 	{95,87,122,10},	{52, 69, 56,10},	{83, 84, 72,10}}};
-	int i=0,i2=0,i3;
+int i=0,i2=0,i3=0;
 int r,g,b = 0;
 int set=0;
 int input=0;
@@ -53,45 +62,27 @@ int main (void)
 ms =0;
 counts = 0;	 
 //disable prescaler	
-	CLKPR = (1<<CLKPR);
+//	CLKPR = (1<<CLKPR); maybe optimization removes this
-	CLKPR = 0x00;
+//	CLKPR = 0x00;
+clock_prescale_set(clock_div_1);//replaces above 2 lines
 //#######OC0A auf ausgang
-	DDRB = (1 << PB0 )|(1<<PB1)|(1<<PB4);
+DDRB = (1 << PB0 )|(1<<PB1)|(1<<PB4);//data directions - output
-	cli();
+PORTB |= (1<<PB2);					//pullups
-//#######Timer0-setup#####			|Phase correct pwm
+cli();								//DISABLE Global Interrupts
-	TCCR0A = (1<<COM0A1)|(1<<COM0B1)|(1<<WGM00)|(1<<WGM00);	//mode
+InitTimer0();
-	TCCR0B = (1<<CS00)|(1<<CS00);				//frequency /256 = 31250Hz , 1 t0 period = 8.192ms 1 increment = 0.032ms strangly prescaler of 1 results in expected results as prescaler was 256
+InitTimer1();
-//	PLLCSR |= (1 << PLLE) | (1 << PCKE);
+InitInterrupts();
-//######Timer1-setup
+sei();								//ENABLE Global Interrupts
-	TCCR1 = (1<<COM1A0)|(1<<COM1A1)|(1<<CTC1)|(1<<CS12)|(1<<CS10);//|(1<<CS11)|(1<<CS13);	//frequencyi //iinverting PWM because 0 dtc not possible
-	GTCCR = (1<<PWM1B)|(1<<COM1B0);				//mode + overrun clear, Set on compare match
-	OCR1C = 255;						// clear timer at 255	
-//######PWM_VALUE$
-//timer 0
-	OCR0A = 1;
-	OCR0B = 1;
-//timer 1
-	OCR1B = 1;
-//######Configure Pullups
-	PORTB |= (1<<PB2);
-//Interupts
-	TIMSK |= (1<<TOIE0);//interrupt on overflow = one timer cycle
-	TIFR |= (1<<TOV0);
-	TCNT0 = 0;
-//enable global interrupts
-	sei();
 	while(1)
 	{
-	   for(i=1;i<PATTERN_COUNT;i++)
+				for(i=0;i<PATTERN_COUNT;i++)
 				{
 						r = pattern[i2][i].r;
 						g = pattern[i2][i].g;
 						b = pattern[i2][i].b;
-			if(i==(PATTERN_COUNT-1)) {i= -1;}
+						if(i==(PATTERN_COUNT-1)) {i= 0;}
-			//reset timer counter	
 						while(1)
 						{
-			//input handling
 							input=PINB;
 							if(((input & (1<<PB2)) == 0 && set==0))
 							{
@@ -102,37 +93,66 @@ int main (void)
 									{
 											i2=0;
 									}
-							//cycle through and stop pwm at value 0
 				//Visual feedback "mode change"
 									for(i3=0;i3<i2;i3++)
 									{
-										OCR0A=1;OCR0B=1;OCR1B=1;	
+											setrgb(0,0,0);			
-										_delay_ms(30);
+											pre_delay = ms;		
-										OCR0A=255;OCR0B=255;OCR1B=255;
+											while((ms-pre_delay) < 200);
-										_delay_ms(30);
+											setrgb(0,200,0);
+											pre_delay = ms;		
+											while((ms-pre_delay) < 200){};
 									}
 							}
 							else if(((input & (1<<PB2)) != 0))
 							{
 									set=0;
-				
 							}
-			//Pattern handling		
+				//iterate throught pattern to the next ones
 							if(r < pattern[i2][i+1].r) {r++;}
 							if(r > pattern[i2][i+1].r) {r--;}	
 							if(g < pattern[i2][i+1].g) {g++;}
 							if(g > pattern[i2][i+1].g) {g--;}	
 							if(b < pattern[i2][i+1].b) {b++;}
 							if(b > pattern[i2][i+1].b) {b--;}	
-				OCR0A = g;//green
+							setrgb(r,g,b);		
-				OCR0B = r;//red
+				//read timer evaluate time since read in 1ms steps
-				OCR1B = b;//blue
+							//pre_delay = ms;		
-			//	_delay_ms(10);	
+							//while((ms-pre_delay) <1000);
-				pre_delay = ms;		
+							_delay_ms(30);
-				while((ms-pre_delay) < pattern[i2][i+1].time_hold){};
 							if(r == pattern[i2][i+1].r && g == pattern[i2][i+1].g && b == pattern[i2][i+1].b) break;
 						}
 				}
 	} 
 return 0;                 
 }
+void InitTimer0(void)
+{
+//#######Timer0-setup#####			|Phase correct pwm
+	TCCR0A = (2<<COM0A0)|(2<<COM0B0)|(1<<WGM00)|(1<<WGM01);	//mode fast pwm (1/Fcpu)*prescaler*(max+1) = 
+			//prescaler /64 gives 0...255 0.002048s = 2.0ms 1mhz-> /8 
+	TCCR0B = (1<<CS01);//|(1<<CS01)/256;
+}	
+void InitTimer1(void)
+{
+//######Timer1-setup
+	PLLCSR &= ~(1<<PCKE);
+	TCCR1 = (1<<COM1A0)|(1<<COM1A1)|(1<<CS12)|(1<<CS10)|(1<<CS11);//(1<<CS10)|(1<<CS12);//|(1<<CS13);	//frequencyi //inverting PWM because 0 dtc not possible
+	GTCCR = (1<<PWM1B)|(1<<COM1B1);	//mode + overrun clear, Set on compare match
+	OCR1C = 255; // clear timer at 255	
+}
+void setrgb(unsigned int r,unsigned int g,unsigned int b)
+{
+		//depends on timer0
+		OCR0A = g;//green
+		OCR0B = r;//red
+		//depends on Timer1
+		OCR1B = b;//blue
+}
+void InitInterrupts(void)
+{
+		TIMSK |= (1<<TOIE0);//interrupt on overflow = one timer cycle
+		TIFR |= (1<<TOV0);
+		TCNT0 = 0;
+}
+//#pragma GCC pop_options

makefile

@@ -5,12 +5,12 @@
 # (GNU make, BSD make, SysV make)
 
 
-MCU = attiny85
+MCU = attiny45
 FORMAT = ihex
 TARGET = main
 SRC = $(TARGET).c
 ASRC = 
-OPT = s
+OPT = 0
 
 # Name of this Makefile (used for "make depend").
 MAKEFILE = Makefile

makefile_45

@@ -0,0 +1,223 @@
+# Hey Emacs, this is a -*- makefile -*-
+
+# AVR-GCC Makefile template, derived from the WinAVR template (which
+# is public domain), believed to be neutral to any flavor of "make"
+# (GNU make, BSD make, SysV make)
+
+
+MCU = attiny45
+FORMAT = ihex
+TARGET = main
+SRC = $(TARGET).c
+ASRC = 
+OPT = s
+
+# Name of this Makefile (used for "make depend").
+MAKEFILE = Makefile
+
+# Debugging format.
+# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
+# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
+DEBUG = stabs
+
+# Compiler flag to set the C Standard level.
+# c89   - "ANSI" C
+# gnu89 - c89 plus GCC extensions
+# c99   - ISO C99 standard (not yet fully implemented)
+# gnu99 - c99 plus GCC extensions
+CSTANDARD = -std=gnu99
+
+# Place -D or -U options here
+CDEFS =
+
+# Place -I options here
+CINCS =
+
+
+CDEBUG = -g$(DEBUG)
+CWARN = -Wall -Wstrict-prototypes
+CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
+#CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
+CFLAGS = $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CSTANDARD) $(CEXTRA)
+
+
+#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs 
+
+
+#Additional libraries.
+
+# Minimalistic printf version
+PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
+
+# Floating point printf version (requires MATH_LIB = -lm below)
+PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
+
+PRINTF_LIB = 
+
+# Minimalistic scanf version
+SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
+
+# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
+SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
+
+SCANF_LIB = 
+
+MATH_LIB = -lm
+
+# External memory options
+
+# 64 KB of external RAM, starting after internal RAM (ATmega128!),
+# used for variables (.data/.bss) and heap (malloc()).
+#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
+
+# 64 KB of external RAM, starting after internal RAM (ATmega128!),
+# only used for heap (malloc()).
+#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
+
+EXTMEMOPTS =
+
+#LDMAP = $(LDFLAGS) -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS = $(EXTMEMOPTS) $(LDMAP) $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
+
+
+# Programming support using avrdude. Settings and variables.
+
+AVRDUDE_PROGRAMMER = usbasp
+#AVRDUDE_PORT = /dev/term/a
+
+AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
+#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
+
+
+# Uncomment the following if you want avrdude's erase cycle counter.
+# Note that this counter needs to be initialized first using -Yn,
+# see avrdude manual.
+#AVRDUDE_ERASE_COUNTER = -y
+
+# Uncomment the following if you do /not/ wish a verification to be
+# performed after programming the device.
+#AVRDUDE_NO_VERIFY = -V
+
+# Increase verbosity level.  Please use this when submitting bug
+# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude> 
+# to submit bug reports.
+#AVRDUDE_VERBOSE = -v -v
+
+AVRDUDE_BASIC = -p $(MCU) -c $(AVRDUDE_PROGRAMMER) -B4
+AVRDUDE_FLAGS = $(AVRDUDE_BASIC) $(AVRDUDE_NO_VERIFY) $(AVRDUDE_VERBOSE) $(AVRDUDE_ERASE_COUNTER)
+
+
+CC = avr-gcc
+OBJCOPY = avr-objcopy
+OBJDUMP = avr-objdump
+SIZE = avr-size
+NM = avr-nm
+AVRDUDE = avrdude
+REMOVE = rm -f
+MV = mv -f
+
+# Define all object files.
+OBJ = $(SRC:.c=.o) $(ASRC:.S=.o) 
+
+# Define all listing files.
+LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
+ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
+
+
+# Default target.
+all: build
+
+build: elf hex eep
+
+elf: $(TARGET).elf
+hex: $(TARGET).hex
+eep: $(TARGET).eep
+lss: $(TARGET).lss 
+sym: $(TARGET).sym
+
+
+# Program the device.  
+program: $(TARGET).hex $(TARGET).eep
+	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
+
+
+
+
+# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
+COFFCONVERT=$(OBJCOPY) --debugging \
+--change-section-address .data-0x800000 \
+--change-section-address .bss-0x800000 \
+--change-section-address .noinit-0x800000 \
+--change-section-address .eeprom-0x810000 
+
+
+coff: $(TARGET).elf
+	$(COFFCONVERT) -O coff-avr $(TARGET).elf $(TARGET).cof
+
+
+extcoff: $(TARGET).elf
+	$(COFFCONVERT) -O coff-ext-avr $(TARGET).elf $(TARGET).cof
+
+
+.SUFFIXES: .elf .hex .eep .lss .sym
+
+.elf.hex:
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+
+.elf.eep:
+	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
+	--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
+
+# Create extended listing file from ELF output file.
+.elf.lss:
+	$(OBJDUMP) -h -S $< > $@
+
+# Create a symbol table from ELF output file.
+.elf.sym:
+	$(NM) -n $< > $@
+
+
+
+# Link: create ELF output file from object files.
+$(TARGET).elf: $(OBJ)
+	$(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
+
+
+# Compile: create object files from C source files.
+.c.o:
+	$(CC) -c $(ALL_CFLAGS) $< -o $@ 
+
+
+# Compile: create assembler files from C source files.
+.c.s:
+	$(CC) -S $(ALL_CFLAGS) $< -o $@
+
+
+# Assemble: create object files from assembler source files.
+.S.o:
+	$(CC) -c $(ALL_ASFLAGS) $< -o $@
+
+
+
+# Target: clean project.
+clean:
+	$(REMOVE) $(TARGET).hex $(TARGET).eep $(TARGET).cof $(TARGET).elf \
+	$(TARGET).map $(TARGET).sym $(TARGET).lss \
+	$(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d)
+
+depend:
+	if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
+	then \
+		sed -e '/^# DO NOT DELETE/,$$d' $(MAKEFILE) > \
+			$(MAKEFILE).$$$$ && \
+		$(MV) $(MAKEFILE).$$$$ $(MAKEFILE); \
+	fi
+	echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
+		>> $(MAKEFILE); \
+	$(CC) -M -mmcu=$(MCU) $(CDEFS) $(CINCS) $(SRC) $(ASRC) >> $(MAKEFILE)
+
+.PHONY:	all build elf hex eep lss sym program coff extcoff clean depend