main.h

schduler for AVR mcu

/*
------------------------------------------------------------------*-

   Main.H (v1.00)

  ------------------------------------------------------------------
   
   'Project Header' (see Chap 9) for project Washer (see Chap 16)


   COPYRIGHT
   ---------

   This code is from the book:

   PATTERNS FOR TIME-TRIGGERED EMBEDDED SYSTEMS by Michael J. Pont 
   [Pearson Education, 2001; ISBN: 0-201-33138-1].

   This code is copyright (c) 2001 by Michael J. Pont.
 
   --- Modefied by  sylva zhu to apply for  AVR Microcontroller .
   --- Ver 1.0  Sept 25th , 2006 .

-*------------------------------------------------------------------
*/

#ifndef _MAIN_H
#define _MAIN_H


// Misc #defines
#ifndef TRUE
#define FALSE 0
#define TRUE (!FALSE)
#endif

#define RETURN_NORMAL      0
#define RETURN_ERROR       1

//------------------------------------------------------------------
// Error codes 
// - see Chapter 14. 
//------------------------------------------------------------------

#define ERROR_SCH_TOO_MANY_TASKS (1)
#define ERROR_SCH_CANNOT_DELETE_TASK (2)

#define ERROR_SCH_WAITING_FOR_SLAVE_TO_ACK (3)
#define ERROR_SCH_WAITING_FOR_START_COMMAND_FROM_MASTER (3)

#define ERROR_SCH_ONE_OR_MORE_SLAVES_DID_NOT_START (4)
#define ERROR_SCH_LOST_SLAVE (5)

#define ERROR_SCH_CAN_BUS_ERROR (6)

#define ERROR_I2C_WRITE_BYTE (10)
#define ERROR_I2C_READ_BYTE (11)
#define ERROR_I2C_WRITE_BYTE_AT24C64 (12)
#define ERROR_I2C_READ_BYTE_AT24C64 (13)
#define ERROR_I2C_DS1621 (14)

#define ERROR_USART_TI (21)
#define ERROR_USART_WRITE_CHAR (22)

#define ERROR_SPI_EXCHANGE_BYTES_TIMEOUT (31)
#define ERROR_SPI_X25_TIMEOUT (32)
#define ERROR_SPI_MAX1110_TIMEOUT (33)

#define ERROR_ADC_MAX150_TIMEOUT (44)
//
//
void DeviceInit(void);
//
//
#endif

/*
------------------------------------------------------------------*-
  ---- END OF FILE -------------------------------------------------
-*------------------------------------------------------------------
*/