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, distribute, and sell this
13 software and its documentation for any purpose is hereby granted
14 without fee, provided that the above copyright notice appear in
15 all 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 PDITarget.c.
41 #include <avr/interrupt.h>
44 #include <LUFA/Common/Common.h>
46 #include "../V2Protocol.h"
48 /* Preprocessor Checks: */
49 #if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
50 #undef ENABLE_ISP_PROTOCOL
52 #if !defined(ENABLE_XPROG_PROTOCOL)
53 #define ENABLE_XPROG_PROTOCOL
58 #if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
59 #define XPROG_VIA_HARDWARE_USART
61 #define BITBANG_PDIDATA_PORT PORTB
62 #define BITBANG_PDIDATA_DDR DDRB
63 #define BITBANG_PDIDATA_PIN PINB
64 #define BITBANG_PDIDATA_MASK (1 << 3)
66 #define BITBANG_PDICLOCK_PORT RESET_LINE_PORT
67 #define BITBANG_PDICLOCK_DDR RESET_LINE_DDR
68 #define BITBANG_PDICLOCK_PIN RESET_LINE_PIN
69 #define BITBANG_PDICLOCK_MASK RESET_LINE_MASK
71 #define BITBANG_TPIDATA_PORT PORTB
72 #define BITBANG_TPIDATA_DDR DDRB
73 #define BITBANG_TPIDATA_PIN PINB
74 #define BITBANG_TPIDATA_MASK (1 << 3)
76 #define BITBANG_TPICLOCK_PORT PORTB
77 #define BITBANG_TPICLOCK_DDR DDRB
78 #define BITBANG_TPICLOCK_PIN PINB
79 #define BITBANG_TPICLOCK_MASK (1 << 1)
82 /** Number of cycles between each clock when software USART mode is used */
83 #define BITS_BETWEEN_USART_CLOCKS 100
85 /** Total number of bits in a single USART frame */
86 #define BITS_IN_USART_FRAME 12
88 #define PDI_CMD_LDS 0x00
89 #define PDI_CMD_LD 0x20
90 #define PDI_CMD_STS 0x40
91 #define PDI_CMD_ST 0x60
92 #define PDI_CMD_LDCS 0x80
93 #define PDI_CMD_REPEAT 0xA0
94 #define PDI_CMD_STCS 0xC0
95 #define PDI_CMD_KEY 0xE0
97 #define PDI_STATUS_REG 0
98 #define PDI_RESET_REG 1
99 #define PDI_CTRL_REG 2
101 #define PDI_STATUS_NVM (1 << 1)
102 #define PDI_RESET_KEY 0x59
104 #define PDI_NVMENABLE_KEY (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}
106 #define PDI_DATSIZE_1BYTE 0
107 #define PDI_DATSIZE_2BYTES 1
108 #define PDI_DATSIZE_3BYTES 2
109 #define PDI_DATSIZE_4BYTES 3
111 #define PDI_POINTER_INDIRECT 0
112 #define PDI_POINTER_INDIRECT_PI 1
113 #define PDI_POINTER_DIRECT 2
115 #define TPI_CMD_SLD 0x20
116 #define TPI_CMD_SST 0x60
117 #define TPI_CMD_SSTPR 0x68
118 #define TPI_CMD_SIN 0x10
119 #define TPI_CMD_SOUT 0x90
120 #define TPI_CMD_SLDCS 0x80
121 #define TPI_CMD_SSTCS 0xC0
122 #define TPI_CMD_SKEY 0xE0
124 #define TPI_STATUS_REG 0x00
125 #define TPI_CTRL_REG 0x02
126 #define TPI_ID_REG 0x0F
128 #define TPI_STATUS_NVM (1 << 1)
130 #define TPI_NVMENABLE_KEY (uint8_t[]){0x12, 0x89, 0xAB, 0x45, 0xCD, 0xD8, 0x88, 0xFF}
132 #define TPI_POINTER_INDIRECT 0
133 #define TPI_POINTER_INDIRECT_PI (1 << 2)
135 /* Function Prototypes: */
136 void XPROGTarget_EnableTargetPDI(void);
137 void XPROGTarget_EnableTargetTPI(void);
138 void XPROGTarget_DisableTargetPDI(void);
139 void XPROGTarget_DisableTargetTPI(void);
140 void XPROGTarget_SendByte(const uint8_t Byte
);
141 uint8_t XPROGTarget_ReceiveByte(void);
142 void XPROGTarget_SendBreak(void);
143 bool XPROGTarget_WaitWhileNVMBusBusy(void);