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/*
LUFA Library
Copyright (C) Dean Camera, 2009.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, and distribute this software
and its documentation for any purpose and without fee is hereby
granted, provided that the above copyright notice appear in all
copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for PDITarget.c.
*/
#ifndef _PDI_TARGET_
#define _PDI_TARGET_
/* Includes: */
#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdbool.h>
#include <LUFA/Common/Common.h>
/* Preprocessor Checks: */
#if (BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1)
#undef ENABLE_ISP_PROTOCOL
#if !defined(ENABLE_PDI_PROTOCOL)
#define ENABLE_PDI_PROTOCOL
#endif
#endif
/* Defines: */
#if BOARD == BOARD_XPLAIN
#define PDI_VIA_HARDWARE_USART
#else
#define BITBANG_PDIDATA_PORT PORTB
#define BITBANG_PDIDATA_DDR DDRB
#define BITBANG_PDIDATA_PIN PINB
#define BITBANG_PDIDATA_MASK (1 << 3)
#define BITBANG_PDICLOCK_PORT RESET_LINE_PORT
#define BITBANG_PDICLOCK_DDR RESET_LINE_DDR
#define BITBANG_PDICLOCK_MASK RESET_LINE_MASK
#endif
#define BITS_IN_FRAME 12
#define PDI_CMD_LDS 0x00
#define PDI_CMD_LD 0x20
#define PDI_CMD_STS 0x40
#define PDI_CMD_ST 0x60
#define PDI_CMD_LDCS 0x80
#define PDI_CMD_REPEAT 0xA0
#define PDI_CMD_STCS 0xC0
#define PDI_CMD_KEY 0xE0
#define PD_STATUS_REG 0
#define PD_RESET_REG 1
#define PD_CTRL_REG 2
#define PDI_STATUS_NVM (1 << 1)
#define PDI_RESET_KEY 0x59
#define PDI_NVMENABLE_KEY (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}
/* Function Prototypes: */
void PDITarget_EnableTargetPDI(void);
void PDITarget_DisableTargetPDI(void);
void PDITarget_SendByte(uint8_t Byte);
uint8_t PDITarget_ReceiveByte(void);
void PDITarget_SendBreak(void);
#endif
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