The AVRISP project can now enter PDI mode under both bit-bang and hardware USART...
[pub/USBasp.git] / 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
57 #define PDI_VIA_HARDWARE_USART
58 #else
59 #define BITBANG_PDIDATA_PORT PORTB
60 #define BITBANG_PDIDATA_DDR DDRB
61 #define BITBANG_PDIDATA_PIN PINB
62 #define BITBANG_PDIDATA_MASK (1 << 3)
63
64 #define BITBANG_PDICLOCK_PORT RESET_LINE_PORT
65 #define BITBANG_PDICLOCK_DDR RESET_LINE_DDR
66 #define BITBANG_PDICLOCK_PIN RESET_LINE_PIN
67 #define BITBANG_PDICLOCK_MASK RESET_LINE_MASK
68 #endif
69
70 #define BITS_IN_FRAME 12
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 PDI_STATUS_REG 0
82 #define PDI_RESET_REG 1
83 #define PDI_CTRL_REG 2
84
85 #define PDI_STATUS_NVM (1 << 1)
86 #define PDI_RESET_KEY 0x59
87
88 #define PDI_NVMENABLE_KEY (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}
89
90 #define PDI_DATSIZE_1BYTE 0
91 #define PDI_DATSIZE_2BYTES 1
92 #define PDI_DATSIZE_3BYTES 2
93 #define PDI_DATSIZE_4BYTES 3
94
95 #define PDI_POINTER_INDIRECT 0
96 #define PDI_POINTER_INDIRECT_PI 1
97 #define PDI_POINTER_DIRECT 2
98
99 #define FLASH_BASE 0x00800000
100 #define EPPROM_BASE 0x008C0000
101 #define FUSE_BASE 0x008F0020
102 #define DATAMEM_BASE 0x01000000
103 #define PROD_SIGNATURE_BASE 0x008E0200
104 #define USER_SIGNATURE_BASE 0x008E0400
105
106 #define DATAMEM_NVM_BASE 0x01C0
107
108 /* Function Prototypes: */
109 void PDITarget_EnableTargetPDI(void);
110 void PDITarget_DisableTargetPDI(void);
111 void PDITarget_SendByte(uint8_t Byte);
112 uint8_t PDITarget_ReceiveByte(void);
113 void PDITarget_SendBreak(void);
114
115 void PDITarget_SendAddress(uint32_t Address);
116 bool PDITarget_WaitWhileNVMBusBusy(void);
117 void PDITarget_WaitWhileNVMControllerBusy(void);
118
119 #endif