deleted unused programms

Programme/I2C/throughput/allsize_S_to_M/M_to_S_I2C_single_giant_package/slave/avr_code/timer_1.h

-// all functions inline to save execution time
-
-// initialize timer for time measurement
-inline void timer_init(void);
-
-// start time measurement
-inline void timer_start(void);
-
-// stop time measurement, return ticks
-inline uint32_t timer_stop(void);
-
-// get timer ticks
-inline uint32_t timer_ticks(void);

Programme/I2C/throughput/allsize_S_to_M/M_to_S_I2C_single_giant_package/slave/avr_code/timer_1.ino

-// This module uses TIMER1 to keep track of time
-
-#include "timer_1.h"
-#include <avr/interrupt.h>
-
-uint32_t overflow_count;
-
-#define TIMER_MASK (1<<CS10)
-
-inline void timer_init(void) {
-  // enable overflow interrupt
-  TIMSK1 |= (1<<TOIE1);
-}
-
-inline void timer_start(void) {
-  //disable interrupts globally
-  cli();
-  //clear out timer counting register
-  TCNT1 = 0;
-  //clear overflow count
-  overflow_count = 0;
-  // set up clock source
-  // we have a 16MHz Clock
-  // and a 16 Bit timer
-  // Use a prescaler of 256 -> 16/256 = 62.5kHz
-  TCCR1B |= TIMER_MASK;
-  //enable interrupts
-  sei();
-  
-}
-
-inline uint32_t timer_ticks(void) {
-  return TCNT1 ^ (overflow_count << 16);
-}
-
-inline uint32_t timer_stop(void) {
-  // stop timer clock
-  TCCR1B &= ~(TIMER_MASK);
-  return timer_ticks();
-}
-
-ISR(TIMER1_OVF_vect) {
-  overflow_count++;
-}

Programme/I2C/throughput/allsize_S_to_M/M_to_S_I2C_single_giant_package/master/avr_code/I2C.ino → Programme/I2C/throughput/allsize_S_to_M/code/master/avr_code/I2C.ino

@@ -71,6 +71,8 @@ inline void tp_i2c(uint16_t len) {
       recv_data();
     }
     transmit_stop();
-    delayMicroseconds(20);
+    delayMicroseconds(5); // wait for hardware to create stop cond
+    // may need to be altered for slow bit speeds
+    // hardware needs time to latch the request for a stop
   }
 }

Programme/I2C/throughput/allsize_bidir/M_to_S_I2C_single_giant_package/master/avr_code/avr_code.ino → Programme/I2C/throughput/allsize_S_to_M/code/master/avr_code/avr_code.ino

@@ -13,20 +13,10 @@ int main(void) {
   // initialize pin change interrupt
   init_pc();
 
-  
+
 
   // enable interrupts
   sei();
-  // notify user of starting test
-  //Serial.println("begin sending...");
-  // start timer
-  //timer_start();
-  // start i2c test procedure
-  //tp_i2c();
-  // timer will be stopped in pc interrupt somewhere here
-  // notify user of test ending. May be interrupted due to pin change / timer stop
-  //Serial.println("End sending");
-
   for(uint16_t i = 0; i < 1024; i++) {
       Serial.print(i+1);
       Serial.print(" : ");
@@ -43,5 +33,5 @@ int main(void) {
   // do nothing
   while(1) {
   }
-  
+
 }

Programme/I2C/throughput/allsize_bidir/M_to_S_I2C_single_giant_package/master/avr_code/pinchange.h

-// all functions inline to save execution time
-
-inline void init_pc(void);

Programme/I2C/throughput/allsize_bidir/M_to_S_I2C_single_giant_package/master/avr_code/pinchange.ino

-// This module uses PIN CHANGE INTERRUPT INT3
-
-#include <avr/interrupt.h>
-#include <avr/io.h>
-#include "timer_1.h"
-
-//initialize pin change interrupt and data directions
-inline void init_pc(void) {
-  // enable/ setup output port
-  DDRA = 0xff; // all out
-  PORTA = 0x00; // all low
-
-  // enable input port
-  // enable interrupt
-  EICRA |= (1<<ISC30)|(1<<ISC31);
-  EIMSK |= (1<<INT3);
-}
-
-ISR(INT3_vect) {
-  // stop timer, print measured tick count to user
-  Serial.println(timer_stop());
-}

Programme/I2C/throughput/allsize_bidir/M_to_S_I2C_single_giant_package/slave/avr_code/I2C.h

-// all functions inline to save execution time
-
-inline void init_i2c(void);

Programme/I2C/throughput/allsize_bidir/M_to_S_I2C_single_giant_package/slave/avr_code/pinchange.h

-// all functions inline to save execution time
-
-inline void init_pc(void);