140 lines
3.9 KiB
C
140 lines
3.9 KiB
C
/*
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* avrdude - A Downloader/Uploader for AVR device programmers
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* Copyright (C) 2006 Thomas Fischl
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* $Id$ */
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#ifndef usbasp_h
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#define usbasp_h
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/* USB function call identifiers */
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#define USBASP_FUNC_CONNECT 1
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#define USBASP_FUNC_DISCONNECT 2
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#define USBASP_FUNC_TRANSMIT 3
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#define USBASP_FUNC_READFLASH 4
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#define USBASP_FUNC_ENABLEPROG 5
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#define USBASP_FUNC_WRITEFLASH 6
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#define USBASP_FUNC_READEEPROM 7
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#define USBASP_FUNC_WRITEEEPROM 8
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#define USBASP_FUNC_SETLONGADDRESS 9
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#define USBASP_FUNC_SETISPSCK 10
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#define USBASP_FUNC_TPI_CONNECT 11
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#define USBASP_FUNC_TPI_DISCONNECT 12
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#define USBASP_FUNC_TPI_RAWREAD 13
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#define USBASP_FUNC_TPI_RAWWRITE 14
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#define USBASP_FUNC_TPI_READBLOCK 15
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#define USBASP_FUNC_TPI_WRITEBLOCK 16
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#define USBASP_FUNC_GETCAPABILITIES 127
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/* USBASP capabilities */
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#define USBASP_CAP_TPI 0x01
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#define USBASP_CAP_3MHZ (1 << 24) // 3 MHz SCK in UsbAsp-flash firmware
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/* Block mode flags */
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#define USBASP_BLOCKFLAG_FIRST 1
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#define USBASP_BLOCKFLAG_LAST 2
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/* Block mode data size */
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#define USBASP_READBLOCKSIZE 200
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#define USBASP_WRITEBLOCKSIZE 200
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/* ISP SCK speed identifiers */
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#define USBASP_ISP_SCK_AUTO 0
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#define USBASP_ISP_SCK_0_5 1 /* 500 Hz */
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#define USBASP_ISP_SCK_1 2 /* 1 kHz */
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#define USBASP_ISP_SCK_2 3 /* 2 kHz */
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#define USBASP_ISP_SCK_4 4 /* 4 kHz */
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#define USBASP_ISP_SCK_8 5 /* 8 kHz */
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#define USBASP_ISP_SCK_16 6 /* 16 kHz */
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#define USBASP_ISP_SCK_32 7 /* 32 kHz */
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#define USBASP_ISP_SCK_93_75 8 /* 93.75 kHz */
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#define USBASP_ISP_SCK_187_5 9 /* 187.5 kHz */
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#define USBASP_ISP_SCK_375 10 /* 375 kHz */
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#define USBASP_ISP_SCK_750 11 /* 750 kHz */
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#define USBASP_ISP_SCK_1500 12 /* 1.5 MHz */
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#define USBASP_ISP_SCK_3000 13 /* 3 MHz only UsbAsp-flash firmware*/
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/* TPI instructions */
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#define TPI_OP_SLD 0x20
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#define TPI_OP_SLD_INC 0x24
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#define TPI_OP_SST 0x60
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#define TPI_OP_SST_INC 0x64
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#define TPI_OP_SSTPR(a) (0x68 | (a))
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#define TPI_OP_SIN(a) (0x10 | (((a)<<1)&0x60) | ((a)&0x0F) )
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#define TPI_OP_SOUT(a) (0x90 | (((a)<<1)&0x60) | ((a)&0x0F) )
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#define TPI_OP_SLDCS(a) (0x80 | ((a)&0x0F) )
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#define TPI_OP_SSTCS(a) (0xC0 | ((a)&0x0F) )
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#define TPI_OP_SKEY 0xE0
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/* TPI control/status registers */
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#define TPIIR 0xF
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#define TPIPCR 0x2
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#define TPISR 0x0
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// TPIPCR bits
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#define TPIPCR_GT_2 0x04
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#define TPIPCR_GT_1 0x02
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#define TPIPCR_GT_0 0x01
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#define TPIPCR_GT_128b 0x00
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#define TPIPCR_GT_64b 0x01
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#define TPIPCR_GT_32b 0x02
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#define TPIPCR_GT_16b 0x03
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#define TPIPCR_GT_8b 0x04
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#define TPIPCR_GT_4b 0x05
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#define TPIPCR_GT_2b 0x06
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#define TPIPCR_GT_0b 0x07
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// TPISR bits
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#define TPISR_NVMEN 0x02
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/* NVM registers */
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#define NVMCSR 0x32
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#define NVMCMD 0x33
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// NVMCSR bits
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#define NVMCSR_BSY 0x80
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// NVMCMD values
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#define NVMCMD_NOP 0x00
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#define NVMCMD_CHIP_ERASE 0x10
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#define NVMCMD_SECTION_ERASE 0x14
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#define NVMCMD_WORD_WRITE 0x1D
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typedef struct sckoptions_t {
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int id;
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double frequency;
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} CLOCKOPTIONS;
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/* USB error identifiers */
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#define USB_ERROR_NOTFOUND 1
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#define USB_ERROR_ACCESS 2
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#define USB_ERROR_IO 3
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern const char usbasp_desc[];
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void usbasp_initpgm(PROGRAMMER *pgm);
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#ifdef __cplusplus
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}
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#endif
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#endif /* usbasp_h */
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