mirror of
https://github.com/mfulz/qmk_firmware.git
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110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Header file for PDITarget.c.
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*/
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#ifndef _PDI_TARGET_
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#define _PDI_TARGET_
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/* Includes: */
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <stdbool.h>
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#include <LUFA/Common/Common.h>
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/* Preprocessor Checks: */
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#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
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#undef ENABLE_ISP_PROTOCOL
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#if !defined(ENABLE_PDI_PROTOCOL)
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#define ENABLE_PDI_PROTOCOL
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#endif
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#endif
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/* Defines: */
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#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
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#define PDI_VIA_HARDWARE_USART
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#else
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#define BITBANG_PDIDATA_PORT PORTB
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#define BITBANG_PDIDATA_DDR DDRB
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#define BITBANG_PDIDATA_PIN PINB
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#define BITBANG_PDIDATA_MASK (1 << 3)
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#define BITBANG_PDICLOCK_PORT RESET_LINE_PORT
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#define BITBANG_PDICLOCK_DDR RESET_LINE_DDR
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#define BITBANG_PDICLOCK_PIN RESET_LINE_PIN
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#define BITBANG_PDICLOCK_MASK RESET_LINE_MASK
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#endif
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#define BITS_IN_FRAME 12
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#define PDI_NVM_TIMEOUT_MS 200
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#define PDI_CMD_LDS 0x00
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#define PDI_CMD_LD 0x20
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#define PDI_CMD_STS 0x40
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#define PDI_CMD_ST 0x60
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#define PDI_CMD_LDCS 0x80
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#define PDI_CMD_REPEAT 0xA0
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#define PDI_CMD_STCS 0xC0
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#define PDI_CMD_KEY 0xE0
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#define PDI_STATUS_REG 0
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#define PDI_RESET_REG 1
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#define PDI_CTRL_REG 2
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#define PDI_STATUS_NVM (1 << 1)
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#define PDI_RESET_KEY 0x59
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#define PDI_NVMENABLE_KEY (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}
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#define PDI_DATSIZE_1BYTE 0
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#define PDI_DATSIZE_2BYTES 1
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#define PDI_DATSIZE_3BYTES 2
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#define PDI_DATSIZE_4BYTES 3
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#define PDI_POINTER_INDIRECT 0
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#define PDI_POINTER_INDIRECT_PI 1
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#define PDI_POINTER_DIRECT 2
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/* Function Prototypes: */
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void PDITarget_EnableTargetPDI(void);
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void PDITarget_DisableTargetPDI(void);
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void PDITarget_SendByte(const uint8_t Byte);
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uint8_t PDITarget_ReceiveByte(void);
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void PDITarget_SendBreak(void);
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bool PDITarget_WaitWhileNVMBusBusy(void);
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#endif
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