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 <avr/interrupt.h>
  42                 #include <stdbool.h>
  43
  44                 #include <LUFA/Common/Common.h>
  45
  46         /* Preprocessor Checks: */
  47                 #if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
  48                         #undef ENABLE_ISP_PROTOCOL
  49
  50                         #if !defined(ENABLE_PDI_PROTOCOL)
  51                                 #define ENABLE_PDI_PROTOCOL
  52                         #endif
  53                 #endif
  54
  55         /* Defines: */
  56                 #if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
  57 //                      #define PDI_VIA_HARDWARE_USART
  58
  59                         #define BITBANG_PDIDATA_PORT     PORTD
  60                         #define BITBANG_PDIDATA_DDR      DDRD
  61                         #define BITBANG_PDIDATA_PIN      PIND
  62                         #define BITBANG_PDIDATA_MASK     (1 << 3)
  63
  64                         #define BITBANG_PDICLOCK_PORT    PORTD
  65                         #define BITBANG_PDICLOCK_DDR     DDRD
  66                         #define BITBANG_PDICLOCK_PIN     PIND
  67                         #define BITBANG_PDICLOCK_MASK    (1 << 5)
  68                 #else
  69                         #define BITBANG_PDIDATA_PORT     PORTB
  70                         #define BITBANG_PDIDATA_DDR      DDRB
  71                         #define BITBANG_PDIDATA_PIN      PINB
  72                         #define BITBANG_PDIDATA_MASK     (1 << 3)
  73
  74                         #define BITBANG_PDICLOCK_PORT    RESET_LINE_PORT
  75                         #define BITBANG_PDICLOCK_DDR     RESET_LINE_DDR
  76                         #define BITBANG_PDICLOCK_PIN     RESET_LINE_PIN
  77                         #define BITBANG_PDICLOCK_MASK    RESET_LINE_MASK
  78                 #endif
  79
  80                 #define BITS_IN_FRAME            12
  81
  82                 #define PDI_NVM_TIMEOUT_MS       200
  83
  84                 #define PDI_CMD_LDS              0x00
  85                 #define PDI_CMD_LD               0x20
  86                 #define PDI_CMD_STS              0x40
  87                 #define PDI_CMD_ST               0x60
  88                 #define PDI_CMD_LDCS             0x80
  89                 #define PDI_CMD_REPEAT           0xA0
  90                 #define PDI_CMD_STCS             0xC0
  91                 #define PDI_CMD_KEY              0xE0
  92
  93                 #define PDI_STATUS_REG           0
  94                 #define PDI_RESET_REG            1
  95                 #define PDI_CTRL_REG             2
  96
  97                 #define PDI_STATUS_NVM           (1 << 1)
  98                 #define PDI_RESET_KEY            0x59
  99
 100                 #define PDI_NVMENABLE_KEY        (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}
 101
 102                 #define PDI_DATSIZE_1BYTE        0
 103                 #define PDI_DATSIZE_2BYTES       1
 104                 #define PDI_DATSIZE_3BYTES       2
 105                 #define PDI_DATSIZE_4BYTES       3
 106
 107                 #define PDI_POINTER_INDIRECT     0
 108                 #define PDI_POINTER_INDIRECT_PI  1
 109                 #define PDI_POINTER_DIRECT       2
 110
 111         /* Function Prototypes: */
 112                 void    PDITarget_EnableTargetPDI(void);
 113                 void    PDITarget_DisableTargetPDI(void);
 114                 void    PDITarget_SendByte(uint8_t Byte);
 115                 uint8_t PDITarget_ReceiveByte(void);
 116                 void    PDITarget_SendBreak(void);
 117                 bool    PDITarget_WaitWhileNVMBusBusy(void);
 118
 119 #endif