Skip to content
Snippets Groups Projects
Commit 5d27da97 authored by Agis Zisimatos's avatar Agis Zisimatos
Browse files

Unify arduino files, add arduino micro shield.

parent 03abf6fb
Branches
No related tags found
No related merge requests found
Expand all Show whitespace changes
Inline Side-by-side
Arduino/SatNOGS.ino
+ 147
− 35
View file @ 5d27da97
......@@ -2,59 +2,171 @@
#include <stdlib.h>
#include <math.h>
#define DIR_AZ 8
#define STEP_AZ 9
#define EN_AZ 7
#define DIR_AZ 18
#define STEP_AZ 10
#define DIR_EL 10
#define STEP_EL 11
#define EN_EL 12
#define DIR_EL 6
#define STEP_EL 7
#define SPD 200 //step per degree
#define T_DEALY 10000
#define T_STEPPER 1
#define MS1 9
#define EN 8
int stepPosAz = 0;
int stepAz = 0;
int stepPosEl = 0;
int stepEl = 0;
long t1 = 0;
#define SPR 200 //Step Per Revolution
#define RATIO 60 //Gear ratio
#define T_DEALY 10000 //Time to disable the motors
#define T_STEPPER 1000 //2*T_STEPPER is the period of pulses
/*Global Variables*/
long t_DIS = 0; //time to disable the Motors
void setup()
{
/*Define the Stepper drivers PIN's*/
pinMode(DIR_AZ, OUTPUT);
pinMode(STEP_AZ, OUTPUT);
pinMode(EN_AZ, OUTPUT);
digitalWrite(EN_AZ, LOW);
digitalWrite(DIR_AZ, LOW);
pinMode(DIR_EL, OUTPUT);
pinMode(STEP_EL, OUTPUT);
pinMode(EN_EL, OUTPUT);
digitalWrite(EN_EL, LOW);
digitalWrite(STEP_AZ, LOW);
digitalWrite(DIR_AZ, LOW);
digitalWrite(STEP_EL, LOW);
digitalWrite(DIR_EL, LOW);
/*Enable Motors*/
pinMode(EN, OUTPUT);
digitalWrite(EN, LOW);
/*Step size */
pinMode(MS1, OUTPUT);
digitalWrite(MS1, LOW); //Full step
Serial.begin(19200);
}
void loop()
{
/*Define the steps*/
static int AZstep = 0;
static int ELstep = 0;
/*Define the steps from the start of motion*/
static int AZstepPos = 0;
static int ELstepPos = 0;
/*Time Check*/
if (t1 == 0)
t1 = millis();
if (stepAz == 0 && stepEl == 0 && millis()-t1 > T_DEALY)
if (t_DIS == 0)
t_DIS = millis();
/*Disable Motors*/
if (AZstep == 0 && ELstep == 0 && millis()-t_DIS > T_DEALY)
digitalWrite(EN, HIGH);
/*Enable Motors*/
else
digitalWrite(EN, LOW);
/*Read the steps from serial*/
cmd_proc(AZstep, ELstep, AZstepPos, AZstepPos);
/*Move the Azimuth & Elevation Motor*/
stepper_move(AZstep, ELstep, AZstepPos, ELstepPos);
Serial.print(AZstepPos);Serial.print("\t");
Serial.println(AZstep);
}
/*EasyComm 2 Protocol & Calculate the steps*/
void cmd_proc(int &stepAz, int &stepEl, int stepPosAz, int stepPosEl)
{
/*Serial*/
static char buffer[256];
char incomingByte;
static int counter=0;
char data[100];
/*Read from serial*/
while (Serial.available() > 0)
{
digitalWrite(EN_AZ, HIGH);
digitalWrite(EN_EL, HIGH);
incomingByte = Serial.read();
/*new data*/
if (incomingByte == '\n' || incomingByte == ' ' || incomingByte == '\r')
{
buffer[counter]=0;
if (buffer[0] == 'A' && buffer[1] == 'Z')
{
strncpy(data, buffer+2, 100);
/*Get the absolute value of angle*/
double angleAz = atof(data);
/*Calculate the steps*/
stepAz = deg2step(angleAz) - stepPosAz;
}
else
else if (buffer[0] == 'E' && buffer[1] == 'L')
{
strncpy(data, buffer+2, 10);
/*Get the absolute value of angle*/
double angleEl = atof(data);
/*Calculate the steps*/
stepEl = deg2step(angleEl) - stepPosEl;
}
else if (buffer[0] == 'S' && buffer[1] == 'A')
{
digitalWrite(EN_AZ, LOW);
digitalWrite(EN_EL, LOW);
stepAz = 0;
}
else if (buffer[0] == 'S' && buffer[1] == 'E')
{
stepEl = 0;
}
counter = 0;
/*Reset the disable motor time*/
t_DIS = 0;
}
/*Fill the buffer with incoming data*/
else {
buffer[counter] = incomingByte;
counter++;
}
}
}
cmd_proc();
/*Send pulses to stepper motor drivers*/
void stepper_move(int &stepAz, int &stepEl, int &stepPosAz, int &stepPosEl)
{
if(stepAz > 0)
{
digitalWrite(DIR_AZ, HIGH);
digitalWrite(STEP_AZ, HIGH);
stepPosAz++;
stepAz--;
}
else if(stepAz < 0)
{
digitalWrite(DIR_AZ, LOW);
digitalWrite(STEP_AZ, HIGH);
stepPosAz--;
stepAz++;
}
stepper_move();
if(stepEl > 0)
{
digitalWrite(DIR_EL, LOW);
digitalWrite(STEP_EL, HIGH);
stepPosEl++;
stepEl--;
}
else if(stepEl < 0)
{
digitalWrite(DIR_EL, HIGH);
digitalWrite(STEP_EL, HIGH);
stepPosEl--;
stepEl++;
}
delayMicroseconds(T_STEPPER);
digitalWrite(STEP_AZ, LOW);
digitalWrite(STEP_EL, LOW);
delayMicroseconds(T_STEPPER);
}
/*Convert degrees to steps*/
int deg2step(double deg)
{
return(RATIO*SPR*deg/360);
}
/*Convert steps to degrees*/
double step2deg(int Step)
{
return(360*Step/(SPR*RATIO));
}
\ No newline at end of file
Arduino/Serial.ino deleted 100644 → 0
+ 0
− 51
View file @ 03abf6fb
void cmd_proc()
{
/*Serial*/
static char buffer[256];
char incomingByte;
static int counter=0;
char data[100];
/*Read from serial*/
while (Serial.available() > 0)
{
incomingByte = Serial.read();
/*new data*/
if (incomingByte == '\n' || incomingByte == ' ' || incomingByte == '\r')
{
buffer[counter]=0;
if (buffer[0] == 'A' && buffer[1] == 'Z')
{
strncpy(data, buffer+2, 100);
double cmdAz = atof(data);
stepAz = deg2step(cmdAz)-stepPosAz;
}
else if (buffer[0] == 'E' && buffer[1] == 'L')
{
strncpy(data, buffer+2, 10);
double cmdEl = atof(data);
stepEl = deg2step(cmdEl)-stepPosEl;
}
else if (buffer[0] == 'S' && buffer[1] == 'A')
{
stepAz = 0;
}
else if (buffer[0] == 'S' && buffer[1] == 'E')
{
stepEl = 0;
}
counter = 0;
//Reset time
t1 = 0;
}
/*Fill the buffer with incoming data*/
else {
buffer[counter] = incomingByte;
counter++;
}
}
}
Arduino/Stepper.ino deleted 100644 → 0
+ 0
− 49
View file @ 03abf6fb
/* Send pulses to stepper motor drivers */
void stepper_move()
{
if(stepAz>0)
{
digitalWrite(DIR_AZ, HIGH);
digitalWrite(STEP_AZ, HIGH);
stepPosAz++;
stepAz--;
}
else if(stepAz<0)
{
digitalWrite(DIR_AZ, LOW);
digitalWrite(STEP_AZ, HIGH);
stepPosAz--;
stepAz++;
}
if(stepEl>0)
{
digitalWrite(DIR_EL, LOW);
digitalWrite(STEP_EL, HIGH);
stepPosEl++;
stepEl--;
}
else if(stepEl<0)
{
digitalWrite(DIR_EL, HIGH);
digitalWrite(STEP_EL, HIGH);
stepPosEl--;
stepEl++;
}
delay(T_STEPPER);
digitalWrite(STEP_AZ, LOW);
digitalWrite(STEP_EL, LOW);
delay(T_STEPPER);
}
/* Convert degrees to steps */
int deg2step(double deg)
{
return(60*SPR*deg/360);
}
/* Convert steps to degrees */
float step2deg(int Step)
{
return(360*Step/(SPR*60));
}
PCB/SatNOGS_Board/SatNOGSBoard.brd 0 → 100644
+ 2056
− 0
View file @ 5d27da97
This diff is collapsed.
PCB/SatNOGS_Board/SatNOGSBoard.sch 0 → 100644
+ 9191
− 0
View file @ 5d27da97
This diff is collapsed.
PCB/satnogs.lbr 0 → 100644
+ 1484
− 0
View file @ 5d27da97
This diff is collapsed.
Pics/SatNOGS_Board.png 0 → 100644
+ 0
− 0
View file @ 5d27da97
Pics/SatNOGS_Board.png

30.9 KiB

README.md
+ 4
− 2
View file @ 5d27da97
SatNOGS Arduino
===============
Repository of Arduino code for SatNOGS project.
Repository of Arduino code and Arduino PCB for SatNOGS project.
Refer to block diagram in the repository for wiring documentation.
![satnogs_Diagram](https://raw.github.com/satnogs/satnogs-arduino/master/Pics/Block Diagram.png)
\ No newline at end of file
The PCB is based in [Arduino Pro Micro](https://www.sparkfun.com/products/12640) and the [Pololu stepper motor driver](http://www.pololu.com/product/1182). In the picture below you can see the PCB.
![satnogs_PCB](https://raw.github.com/satnogs/satnogs-arduino/master/Pics/SatNOGS_Board.png)
\ No newline at end of file
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Please register or to comment