X-Git-Url: https://git.realraum.at/?p=svn42.git;a=blobdiff_plain;f=avr-projects%2Fr3cam-steppermotor%2Fr3cam-steppermotor.c;fp=avr-projects%2Fr3cam-steppermotor%2Fr3cam-steppermotor.c;h=0000000000000000000000000000000000000000;hp=f9ab2093cc5a406faa10f3bd88488ba4646cba9a;hb=3c1cbee327117c8d7bb333d5d10418bb68d60e2a;hpb=fff7d88ae580a68519a3b9f590a2cf9cce21ef8b

diff --git a/avr-projects/r3cam-steppermotor/r3cam-steppermotor.c b/avr-projects/r3cam-steppermotor/r3cam-steppermotor.c
deleted file mode 100644
index f9ab209..0000000
--- a/avr-projects/r3cam-steppermotor/r3cam-steppermotor.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2012 Christian Pointner <equinox@spreadspace.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-#include <avr/io.h>
-#include <avr/wdt.h>
-#include <avr/interrupt.h>
-#include <avr/power.h>
-
-#include "util.h"
-#include "led.h"
-
-/*
-             LUFA Library
-     Copyright (C) Dean Camera, 2012.
-
-  dean [at] fourwalledcubicle [dot] com
-           www.lufa-lib.org
-*/
-#include <LUFA/Drivers/USB/USB.h>
-#include "lufa-descriptor-usbserial.h"
-
-USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
-  {
-    .Config =
-      {
-        .ControlInterfaceNumber         = 0,
-
-        .DataINEndpointNumber           = CDC_TX_EPNUM,
-        .DataINEndpointSize             = CDC_TXRX_EPSIZE,
-        .DataINEndpointDoubleBank       = false,
-
-        .DataOUTEndpointNumber          = CDC_RX_EPNUM,
-        .DataOUTEndpointSize            = CDC_TXRX_EPSIZE,
-        .DataOUTEndpointDoubleBank      = false,
-
-        .NotificationEndpointNumber     = CDC_NOTIFICATION_EPNUM,
-        .NotificationEndpointSize       = CDC_NOTIFICATION_EPSIZE,
-        .NotificationEndpointDoubleBank = false,
-      },
-  };
-
-void EVENT_USB_Device_ConfigurationChanged(void)
-{
-  CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
-}
-
-void EVENT_USB_Device_ControlRequest(void)
-{
-  CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
-}
-/* end LUFA CDC-ACM specific definitions*/
-
-
-/* Start Our Code */
-
-#define M_PORT PORTB
-#define M_DDR DDRB
-#define M_DIRECTION  0
-#define M_CLK 1
-#define M_ENABLE 2
-#define M_RESET 3
-#define M_FULLSTEPS 4
-
-#define M_START_DIVISOR 2;
-
-static uint8_t cur_speed = 0xFF - M_START_DIVISOR;
-static uint8_t m_clk_divisor_ = M_START_DIVISOR;
-static uint8_t m_clk_divisor_counter_ = 0;
-static uint16_t m_steps_to_go_ = 0;
-static uint16_t m_steps_to_go_back_ = 0;
-
-inline void m_timer_enable(void)
-{
-    TIMSK0 |= (1<<TOIE0);    
-}
-
-inline void m_timer_disable(void)
-{
-    TIMSK0 &= ~(1<<TOIE0);    
-}
-
-void motor_stop(void)
-{
-    m_timer_disable();
-    M_PORT &= ~(1 << M_ENABLE);
-    m_steps_to_go_ = 0;
-    m_steps_to_go_back_ = 0;
-}
-
-ISR(TIMER0_OVF_vect)
-{
-    //if (m_steps_to_go_ == 0)
-    //{
-        //if(m_steps_to_go_back_)
-        //{  
-    //      M_PORT ^= (1 << M_DIRECTION);
-    //      m_steps_to_go_=m_steps_to_go_back_;
-          //m_steps_to_go_back_=0;
-        //} else   
-        //  motor_stop();
-    //}    
-    if (m_clk_divisor_counter_ == 0)
-    {
-        m_clk_divisor_counter_ = m_clk_divisor_;
-        M_PORT ^=  (1 << M_CLK);
-        m_steps_to_go_--;
-    }
-    else 
-        m_clk_divisor_counter_--;
-}
-
-static char set_speed_msg[] = "m_clk_divisor_ = %d\n\r";
-
-void motor_set_speed(uint8_t speed)
-{
-    m_clk_divisor_ = 0xFF - speed;
-    char tmp[sizeof(set_speed_msg)+4];
-    sprintf(tmp, set_speed_msg,m_clk_divisor_);
-    CDC_Device_SendString(&VirtualSerial_CDC_Interface, tmp);
-}
-
-void motor_run(uint16_t steps, uint8_t direction,uint16_t steps_back)
-{
-    //reset by pulling reset low for 100ms
-    M_PORT &= ~(1 << M_RESET);
-    _delay_ms(100);
-    M_PORT |= (1 << M_RESET);
-    
-    m_clk_divisor_counter_ = 0;
-    m_steps_to_go_ = steps;
-    m_steps_to_go_back_ = steps_back;
-    
-    if (direction)
-        M_PORT |= (1 << M_DIRECTION);
-    else
-        M_PORT &= ~(1 << M_DIRECTION);
-    
-    //enable motor
-    M_PORT |= (1 << M_ENABLE);
-    m_timer_enable();    
-}
-
-void init_pins()
-{
-    M_DDR = 0x0F;
-    M_PORT = (1 << M_RESET) | (1 << M_FULLSTEPS);
-    
-    // Configure timer 0 to generate a timer overflow interrupt every
-    // 560us (NEC Protocol)
-    TCCR0A = 0x00;
-    TIMSK0 = (0<<TOIE0);
-    //TCCR0B = 1<<WGM02 | 1<<CS02 | 0<<CS01| 1<<CS00;   //Teiler 1024
-    TCCR0B = 1<<WGM02 | 1<<CS02 | 0<<CS01| 0<<CS00;   //Teiler 256
-    //OCR0A = 139;        // (1+139)*8 = 1120 -> 70us @ 16 MHz -> 1*alpha
-    OCR0A = 255;        // (1+139)*8 = 1120 -> 70us @ 16 MHz -> 1*alpha
-}
-
-void handle_cmd(uint8_t cmd)
-{
-  switch(cmd) {
-  case '0': led_off(); break;
-  case '1': led_on(); break;
-  case 't': led_toggle(); break;
-  case 'r': reset2bootloader(); break;
-  case 's': motor_stop(); break;
-  case 'y': motor_run(30,0,20); break;
-  //case 'x': motor_run(140,0,40); break;
-  //case 'c': motor_run(60,0,20); break;
-  //case 'v': motor_run(40,0,20); break;
-  //case 'q': motor_run(140,1,40); break;
-  //case 'w': motor_run(60,1,20); break;
-  //case 'e': motor_run(40,1,20); break;
-  //case 'C': motor_run(330,0,40); break;
-  //case 'W': motor_run(330,1,40); break;
-  case '+': motor_set_speed(++cur_speed); break;
-  case '-': motor_set_speed(--cur_speed); break;
-  default: CDC_Device_SendString(&VirtualSerial_CDC_Interface, "error\n\r"); return;
-  }
-  CDC_Device_SendString(&VirtualSerial_CDC_Interface, "ok\n\r");
-}
-
-
-
-int main(void)
-{
-  MCUSR &= ~(1 << WDRF);
-  wdt_disable();
-
-  cpu_init();
-  led_init();
-  USB_Init();
-  init_pins();
-  sei();
-
-  for(;;) {
-    int16_t BytesReceived = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface);
-    while(BytesReceived > 0) {
-      int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
-      if(!(ReceivedByte < 0)) {
-        handle_cmd(ReceivedByte);
-      }
-      BytesReceived--;
-    }
-
-    CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
-    USB_USBTask();
-  }
-}