main.c File Reference

,v More...

#include "config.h"
#include "mc_interface.h"
#include "mc_control.h"
#include "mc_drv.h"
#include "DB101_IF.h"
#include "adc_drv.h"
#include "uart\uart_lib.h"
#include "ushell_task.h"
#include "clksys_driver.h"

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Functions
void	clock_init (void)
int	main (void)
	Main Entry. More...

Variables
U16	g_regulation_period = 0
	Define the sampling period. More...
Bool	g_tick
	Use for control the sampling period value. More...
U16	motor_speed = 0
	User Speed Order. More...

Detailed Description

,v

Copyright (c) 2008 Atmel.

Main module : It is based on an infinite loop

Version

1.21

Definition in file main.c.

Function Documentation

clock_init()

void clock_init

(

void

)

Definition at line 34 of file main.c.

References CLKSYS_Enable, CLKSYS_IsReady, CLKSYS_Main_ClockSource_Select(), CLKSYS_PLL_Config(), and CLKSYS_Prescalers_Config().

Referenced by main().

{
    /* Set system clock to 32MHz. */
    CLKSYS_Enable(OSC_RC32MEN_bm);//CLKSYS_Enable(OSC_XOSCEN_bm);
    do {} while ( CLKSYS_IsReady( OSC_RC32MRDY_bm ) == 0 );//do {} while ( CLKSYS_IsReady( OSC_XOSCRDY_bm ) == 0 );
    
    CLKSYS_PLL_Config( OSC_PLLSRC_RC32M_gc, 16 );//CLKSYS_PLL_Config( OSC_PLLSRC_XOSC_gc, 4 );
    CLKSYS_Enable(OSC_PLLEN_bm);
    CLKSYS_Prescalers_Config(CLK_PSADIV_1_gc, CLK_PSBCDIV_2_2_gc);
    do {} while ( CLKSYS_IsReady( OSC_PLLRDY_bm ) == 0 );
    CLKSYS_Main_ClockSource_Select( CLK_SCLKSEL_PLL_gc );
}

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main()

int main

(

void

)

Main Entry.

The main entry point for the control motor application.
The mc_regulation_loop() function is launched every 80ms.

Definition at line 53 of file main.c.

References clock_init(), g_regulation_period, g_tick, mc_ADC_Scheduler(), mc_get_potentiometer_value(), mc_init(), mc_inrush_task(), mc_regulation_loop(), mci_run(), mci_set_motor_speed(), UpdateScreen(), ushell_active, ushell_task(), and ushell_task_init().

{

    clock_init();
  // init motor
  mc_init();  // launch initialization of the motor application

  //init_adc();

  // Initialyze the communication system for External Command through Uart
  ushell_task_init();

  // Start the motor
  mci_set_motor_speed(0);
  mci_run();

  PMIC.CTRL |= PMIC_LOLVLEX_bm;
  __enable_interrupt();


  while(1)
  {
    
    // Launch regulation loop
    // Timer 1 generate an IT (g_tick) all 250us
    // Sampling period = n * 250us
    if (g_tick == TRUE)
    {
      g_tick = FALSE;
      mc_ADC_Scheduler();
      g_regulation_period += 1;
      if ( g_regulation_period >= 1000 ) //n * 250us = Te
      {
        g_regulation_period = 0;

        if (ushell_active == FALSE)
        {
          // Set User Speed Command with potentiometer
          mci_set_motor_speed(mc_get_potentiometer_value());
        }
        mc_regulation_loop(); // launch regulation loop   
#ifdef DB101        
        UpdateScreen();      
#endif        
      }
      ushell_task();
      mc_inrush_task(); /* manage the inrush current */
    }

    // Show PSC state according to the Over Current information
    //if(PCTL2 & (1<<PRUN2))  switch_OFF_LED();// PSC ON
    //else  switch_ON_LED();//PSC OFF => Over_Current
  }
}

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Variable Documentation

g_regulation_period

U16 g_regulation_period = 0

Define the sampling period.

Definition at line 30 of file main.c.

Referenced by main().

g_tick

Bool g_tick

Use for control the sampling period value.

Definition at line 39 of file mc_drv.c.

Referenced by launch_sampling_period(), and main().

motor_speed

U16 motor_speed = 0

User Speed Order.

Definition at line 31 of file main.c.