3      Copyright (C) Dean Camera, 2009. 
   5   dean [at] fourwalledcubicle [dot] com 
   6       www.fourwalledcubicle.com 
  10   Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com) 
  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. 
  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 
  33  *  Header file for TPITarget.c. 
  41                 #include <avr/interrupt.h> 
  44                 #include <LUFA/Common/Common.h> 
  46         /* Preprocessor Checks: */ 
  47                 #if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1)) 
  48                         #undef ENABLE_ISP_PROTOCOL 
  50                         #if !defined(ENABLE_XPROG_PROTOCOL) 
  51                                 #define ENABLE_XPROG_PROTOCOL 
  56                 #define BITBANG_TPIDATA_PORT     PORTB 
  57                 #define BITBANG_TPIDATA_DDR      DDRB 
  58                 #define BITBANG_TPIDATA_PIN      PINB 
  59                 #define BITBANG_TPIDATA_MASK     (1 << 3) 
  61                 #define BITBANG_TPICLOCK_PORT    PORTB 
  62                 #define BITBANG_TPICLOCK_DDR     DDRB 
  63                 #define BITBANG_TPICLOCK_PIN     PINB 
  64                 #define BITBANG_TPICLOCK_MASK    (1 << 1) 
  66                 /** Total number of bits in a single USART frame */ 
  67                 #define BITS_IN_TPI_FRAME        12 
  69                 /** Timeout in milliseconds of a PDI busy-wait command */ 
  70                 #define TPI_NVM_TIMEOUT_MS       100 
  72                 #define TPI_CMD_SLD              0x20 
  73                 #define TPI_CMD_SST              0x60 
  74                 #define TPI_CMD_SSTPR            0x68 
  75                 #define TPI_CMD_SIN              0x10 
  76                 #define TPI_CMD_SOUT             0x90 
  77                 #define TPI_CMD_SLDCS            0x80 
  78                 #define TPI_CMD_SSTCS            0xC0 
  79                 #define TPI_CMD_SKEY             0xE0 
  81                 #define TPI_STATUS_REG           0x00 
  82                 #define TPI_CTRL_REG             0x02 
  83                 #define TPI_ID_REG               0x0F 
  85                 #define TPI_STATUS_NVM           (1 << 1) 
  87                 #define TPI_NVMENABLE_KEY        (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF} 
  89                 #define TPI_POINTER_INDIRECT     0 
  90                 #define TPI_POINTER_INDIRECT_PI  (1 << 2) 
  92         /* Function Prototypes: */ 
  93                 void    TPITarget_EnableTargetTPI(void); 
  94                 void    TPITarget_DisableTargetTPI(void); 
  95                 void    TPITarget_SendByte(const uint8_t Byte
); 
  96                 uint8_t TPITarget_ReceiveByte(void); 
  97                 void    TPITarget_SendBreak(void); 
  98                 bool    TPITarget_WaitWhileNVMBusBusy(void);