Projects/AVRISP/Lib/PDITarget.h

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2009.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, and distribute this software
  13   and its documentation for any purpose and without fee is hereby
  14   granted, provided that the above copyright notice appear in all
  15   copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 /** \file
  32  *
  33  *  Header file for PDITarget.c.
  34  */
  35
  36 #ifndef _PDI_TARGET_
  37 #define _PDI_TARGET_
  38
  39         /* Includes: */
  40                 #include <avr/io.h>
  41                 #include <stdbool.h>
  42
  43                 #include <LUFA/Common/Common.h>
  44
  45         /* Preprocessor Checks: */
  46                 #if BOARD == BOARD_XPLAIN
  47                         #undef  ENABLE_SPI_PROTOCOL
  48                         #define ENABLE_PDI_PROTOCOL
  49                 #endif
  50
  51         /* Defines: */
  52                 #if BOARD == BOARD_XPLAIN
  53                         #define PDIDATA_LINE_PORT     PORTD
  54                         #define PDIDATA_LINE_DDR      DDRD
  55                         #define PDIDATA_LINE_PIN      PIND
  56                         #define PDIDATA_LINE_MASK     (1 << 2)
  57
  58                         #define PDICLOCK_LINE_PORT    PORTD
  59                         #define PDICLOCK_LINE_DDR     DDRD
  60                         #define PDICLOCK_LINE_MASK    (1 << 5)
  61                 #else
  62                         #define PDIDATA_LINE_PORT     PORTB
  63                         #define PDIDATA_LINE_DDR      DDRB
  64                         #define PDIDATA_LINE_PIN      PINB
  65                         #define PDIDATA_LINE_MASK     (1 << 2)
  66
  67                         #define PDICLOCK_LINE_PORT    RESET_LINE_PORT
  68                         #define PDICLOCK_LINE_DDR     RESET_LINE_DDR
  69                         #define PDICLOCK_LINE_MASK    RESET_LINE_MASK
  70                 #endif
  71
  72                 #define PDI_CMD_LDS           0x00
  73                 #define PDI_CMD_LD            0x20
  74                 #define PDI_CMD_STS           0x40
  75                 #define PDI_CMD_ST            0x60
  76                 #define PDI_CMD_LDCS          0x80
  77                 #define PDI_CMD_REPEAT        0xA0
  78                 #define PDI_CMD_STCS          0xC0
  79                 #define PDI_CMD_KEY           0xE0
  80
  81                 #define PD_STATUS_REG         0
  82                 #define PD_RESET_REG          1
  83                 #define PD_CTRL_REG           2
  84
  85                 #define PDI_STATUS_NVM        (1 << 1)
  86
  87                 #define PDI_RESET_KEY         0x59
  88                 #define PDI_NVMENABLE_KEY     (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}
  89
  90                 #define TOGGLE_PDI_CLOCK      MACROS{ PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK; \
  91                                                       PDICLOCK_LINE_PORT ^= PDICLOCK_LINE_MASK; }MACROE
  92
  93         /* Function Prototypes: */
  94                 void    PDITarget_SendByte(uint8_t Byte);
  95                 uint8_t PDITarget_ReceiveByte(void);
  96
  97 #endif