ushell_task.c File Reference

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#include "config.h"
#include "ushell_task.h"
#include "ascii.h"
#include "USI_TWI_Slave.h"

Include dependency graph for ushell_task.c:

Go to the source code of this file.

Functions
U16	debug_get_value1 (void)
U16	debug_get_value2 (void)
void	MotorSetDutyCycle (U16 duty)
void	ushell_task (void)
	Entry point of the explorer task management.
void	ushell_task_init (void)
	This function initializes the hardware/software ressources required for ushell task.
Variables
U16	current
volatile U8	debug8
U8	direction
volatile motorControlFlags_t	mcFastFlags
U16	speed
volatile U16	SpeedMeasure
volatile Bool	ushell_active = FALSE

---

Detailed Description

,v

Copyright (c) 2006 Atmel.

This file manages the µshell task for communication.

Version:

1.2

Definition in file ushell_task.c.

---

Function Documentation

U16 debug_get_value1

(

void

)

U16 debug_get_value2

(

void

)

void MotorSetDutyCycle

(

U16

duty

)

Definition at line 260 of file main.c.

References TC1_WRITE_10_BIT_REGISTER.

{
TC1_WRITE_10_BIT_REGISTER(OCR1A, duty);
}

void ushell_task

(

void

)

Entry point of the explorer task management.

This function links perform ushell task decoding to access file system functions.

Parameters:

none

Returns:

none

Definition at line 67 of file ushell_task.c.

References BOARD_ID, CMD_BACKWARD, CMD_FORWARD, CMD_GET_ID, CMD_GET_STATUS, CMD_NONE, CMD_RUN, CMD_SET_SPEED, CMD_STOP, current, data_received, motorControlFlags_t::direction, DIRECTION_FORWARD, DIRECTION_REVERSE, FALSE, is_data_received, LSB, MSB, REV_ID, SOFT_ID, speed, motorControlFlags_t::speed, motorControlFlags_t::state, STATE_RUN, STATE_STOP, TRUE, ushell_active, USI_TWI_Receive_Byte(), and USI_TWI_Transmit_Byte().

Referenced by main().

{
   if (is_data_received)    //Something new of  the UART ?
   {
      is_data_received=FALSE;
      switch (data_received)
      {
         case CMD_RUN:
            mcFastFlags.state = STATE_RUN;
            mcFastFlags.speed = (U16)(LSB(speed)<<2);
           break;
            
         case CMD_STOP:
            mcFastFlags.state = STATE_STOP;
            break;
            
         case CMD_FORWARD:
            mcFastFlags.direction = DIRECTION_FORWARD;
            break;
            
         case CMD_BACKWARD:
            mcFastFlags.direction = DIRECTION_REVERSE;
            break;
            
         case CMD_SET_SPEED:
           MSB(speed) = USI_TWI_Receive_Byte();
           LSB(speed) = USI_TWI_Receive_Byte();
           mcFastFlags.speed = (U16)(LSB(speed)<<2);
            break;
            
         case CMD_GET_ID:
            USI_TWI_Transmit_Byte(BOARD_ID);
            USI_TWI_Transmit_Byte(SOFT_ID);
            USI_TWI_Transmit_Byte(REV_ID);
            break;
            
         case CMD_GET_STATUS:
//              if(SpeedMeasure!=0)
//                current=12;
//              USI_TWI_Transmit_Byte(MSB(SpeedMeasure));
//              USI_TWI_Transmit_Byte(LSB(SpeedMeasure));
              USI_TWI_Transmit_Byte(MSB(speed));
              USI_TWI_Transmit_Byte(LSB(speed));
              USI_TWI_Transmit_Byte(MSB(current));
              USI_TWI_Transmit_Byte(LSB(current));

            ushell_active = TRUE;
            break;
         default:    //Unknown command
            break;
      }
      data_received=CMD_NONE;
   }
}

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void ushell_task_init

(

void

)

This function initializes the hardware/software ressources required for ushell task.

Parameters:

none

Returns:

none

/

Definition at line 48 of file ushell_task.c.

Referenced by main().

{
#ifdef __GNUC__
//  fdevopen((int (*)(char, FILE*))(USI_TWI_Transmit_Byte),(int (*)(FILE*))USI_TWI_Receive_Byte); //for printf redirection
#endif
}

---

Variable Documentation

U16 current

Definition at line 69 of file main.c.

Referenced by ushell_task().

volatile U8 debug8

Definition at line 38 of file ushell_task.c.

U8 direction

Definition at line 70 of file main.c.

volatile motorControlFlags_t mcFastFlags

Definition at line 55 of file main.c.

U16 speed

Definition at line 68 of file main.c.

Referenced by ushell_task().

volatile U16 SpeedMeasure

Definition at line 57 of file main.c.

Referenced by main().

volatile Bool ushell_active = FALSE

Definition at line 37 of file ushell_task.c.

Referenced by ushell_task().