blink example

Makefile

@@ -2,8 +2,12 @@ CC = avr-gcc
 OBJCOPY = avr-objcopy
 AVRDUDE = avrdude
 CFLAGS = -Os -DF_CPU=16000000UL -mmcu=atmega328p 
-SERIAL = /dev/ttyACM0
-TARGET = led
+SERIAL = /dev/cu.usbmodem143401
+ADDR = /Users/megidervishi/.opam/4.10.0/lib/heptagon/c
+TARGET = prog
+LIB = arduinolib
+MAIN = main
+
 
 .PHONY: all clean flash
 
@@ -13,14 +17,26 @@ flash: $(TARGET).hex
 	$(AVRDUDE) -F -V -c arduino -p ATMEGA328P -P $(SERIAL) -b 115200 \
 	    -U flash:w:$<
 
+
 $(TARGET).hex: $(TARGET)
 	$(OBJCOPY) -O ihex -R .eeprom $< $@
 
+
 $(TARGET): $(TARGET).o
-	$(CC) $(CFLAGS) -o $@ $<
+	$(CC) $(CFLAGS) -o $@ *.o
+
+$(TARGET).o : $(TARGET).c
+	$(CC) -g $(CFLAGS) -c -I $(ADDR) -I . $(LIB).c $(TARGET)_c/*.c $(MAIN).c
+
+
+$(TARGET).c:
+	heptc $(LIB).epi
+	heptc -target c $(TARGET).ept
 
-$(TARGET).o: $(TARGET).c
-	$(CC) $(CFLAGS) -c -o $@ $<
 
 clean:
-	rm -f $(TARGET) $(TARGET).hex $(TARGET).o
+	rm -f $(TARGET) $(TARGET).hex $(TARGET).o $(TARGET).log $(TARGET).mls
+	rm -f *.o *.epci
+	rm -r $(TARGET)_c
+
+

arduinolib.c

@@ -0,0 +1,61 @@
+//#include <math.h>
+#include <avr/io.h>
+#include <util/delay.h>
+#include "arduinolib.h"
+//#include "HardwareSerial.h"
+
+void Arduinolib__dwrite_step(int p, int v, Arduinolib__dwrite_out *out){
+    /* set pin 5 of PORTB for output. i.e port 13 */
+    if (p == 13){
+        DDRB |= _BV(DDB5);
+        if (v == 0)
+        {
+            PORTB &= ~(1<<PORTB5);
+            //PORTB &= ~_BV(PORTB5); //put it to low
+            return;
+        }
+        PORTB |= (1<<PORTB5);
+        //PORTB |= _BV(PORTB5);
+        return;
+    }
+    DDRB |= _BV(DDB4);
+    if (v == 0)
+    {
+        PORTB &= ~(1<<PORTB4);
+        //PORTB &= ~_BV(PORTB4); //put it to low
+        return;
+    }
+    PORTB |= (1<<PORTB4);
+    //PORTB |= _BV(PORTB4);
+    return;
+    
+}
+
+
+/*void Arduinolib__dwrite_step(int p, int v, Arduinolib__dwrite_out *out)
+{
+ pinMode(p,OUTPUT);
+  if(v==0)
+	{
+	digitalWrite(p,LOW);
+	//Serial.write("low");
+	return;
+	}
+	digitalWrite(p,HIGH);
+	//Serial.write("high");
+}
+*/
+/*void Mathext__st_cos_reset(Mathext__st_cos_mem *self)
+{
+  int j;
+  self->i = 0;
+  for(j = 0; j < 100; ++j)
+    self->mem[j] = 0.0;
+}
+
+void Mathext__st_cos_step(float a, Mathext__st_cos_out *out, Mathext__st_cos_mem *self)
+{
+  out->o = self->mem[self->i];
+  self->i = (self->i+1) % 100;
+  self->mem[self->i] = cosf(a);
+}*/

arduinolib.epi

@@ -0,0 +1,2 @@
+fun dwrite(p:int; v:bool) returns ()
+

arduinolib.h

@@ -0,0 +1 @@
+#include "arduinolib_types.h"

arduinolib_types.h

@@ -0,0 +1,11 @@
+#ifndef ARDUINOLIB_H
+#define ARDUINOLIB_H
+//#include "Arduino.h"
+//#include "WConstants.h"
+/* Example of a combinatorial function */
+typedef struct Arduinolib__dwrite {
+} Arduinolib__dwrite_out;
+
+void Arduinolib__dwrite_step(int p, int v,Arduinolib__dwrite_out *o);
+
+#endif

led.c

@@ -1,20 +1,20 @@
 #include <avr/io.h>
 #include <util/delay.h>
 
+#define BLINK_DELAY_MS 4000
 
-
-int main(void) {
-  DDRC = 0x01; // initialize port C
-
-  while (1) {
-    // LED on
-    PORTC = 0b00000001; // PC0 = High = Vcc
-    _delay_ms(500);     // wait 500 milliseconds
-
-    // LED off
-    PORTC = 0b00000000; // PC0 = Low = 0v
-    _delay_ms(500);     // wait 500 milliseconds
-  }
-
-  return 0;
-}
+int main (void)
+{
+ /* set pin 5 of PORTB for output*/
+ DDRB |= _BV(DDB4);
+ 
+ while(1) {
+  /* set pin 5 high to turn led on */
+  PORTB |= _BV(PORTB4);
+  _delay_ms(BLINK_DELAY_MS);
+ 
+  /* set pin 5 low to turn led off */
+  PORTB &= ~_BV(PORTB4);
+  _delay_ms(BLINK_DELAY_MS);
+ }
+}

main.c

@@ -0,0 +1,17 @@
+#include <avr/io.h>
+#include <util/delay.h>
+#include "main.h"
+
+//#define BLINK_DELAY_MS 4000
+
+int main (void)
+{
+ Prog__main_mem mem;
+ Prog__main_reset(&mem);
+ while(1){
+     Prog__main_out _res;
+     Prog__main_step(&_res, &mem);
+    _delay_ms(1000);
+}
+return 0;
+}

main.h

@@ -0,0 +1,4 @@
+#ifndef MAIN_H
+#define MAIN_H
+#include "prog_c/prog.h"
+#endif

prog.ept

@@ -0,0 +1,24 @@
+open Arduinolib
+
+node led<<period, ledMax : int; opin : int>>() returns ()
+var i : int;
+    ledTime : int;
+    upt : bool;
+    downt : bool;
+
+let
+    i = 0 fby (i+1);
+    ledTime = i % period;
+    upt = ledTime < ledMax;
+    downt = not upt;
+
+    () = dwrite((opin, true) when upt);
+    () = dwrite((opin, false) when downt);
+tel
+
+node main() returns ()
+let
+  () = led<<4, 2, 13>>();
+  () = led<<3, 1, 9>>();
+tel
+

script.sh

@@ -0,0 +1,8 @@
+heptc arduinolib.epi
+heptc -target c prog.ept
+gcc -c -I /Users/megidervishi/.opam/4.10.0/lib/heptagon/c -I . arduinolib.c prog_c/*.c
+
+$(TARGET).c:
+	heptc $(CFILE).epi
+	heptc -target c $(HEPT).ept
+	$(CC) $(CFLAGS) -c -I $(ADDR) -I . $(CFILE).c $(TARGET).c