69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/*
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* avrdude - A Downloader/Uploader for AVR device programmers
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* Copyright (C) 2007 Limor Fried
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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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#ifndef usbtiny_h
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#define usbtiny_h
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// Generic requests to the USBtiny
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#define USBTINY_ECHO 0 // echo test
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#define USBTINY_READ 1 // read byte (wIndex:address)
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#define USBTINY_WRITE 2 // write byte (wIndex:address, wValue:value)
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#define USBTINY_CLR 3 // clear bit (wIndex:address, wValue:bitno)
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#define USBTINY_SET 4 // set bit (wIndex:address, wValue:bitno)
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// Programming requests
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#define USBTINY_POWERUP 5 // apply power (wValue:SCK-period, wIndex:RESET)
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#define USBTINY_POWERDOWN 6 // remove power from chip
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#define USBTINY_SPI 7 // issue SPI command (wValue:c1c0, wIndex:c3c2)
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#define USBTINY_POLL_BYTES 8 // set poll bytes for write (wValue:p1p2)
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#define USBTINY_FLASH_READ 9 // read flash (wIndex:address)
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#define USBTINY_FLASH_WRITE 10 // write flash (wIndex:address, wValue:timeout)
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#define USBTINY_EEPROM_READ 11 // read eeprom (wIndex:address)
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#define USBTINY_EEPROM_WRITE 12 // write eeprom (wIndex:address, wValue:timeout)
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// Flags to indicate how to set RESET on power up
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#define RESET_LOW 0
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#define RESET_HIGH 1
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// The SCK speed can be set by avrdude, to allow programming of slow-clocked parts
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#define SCK_MIN 1 // usec delay (target clock >= 4 MHz)
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#define SCK_MAX 250 // usec (target clock >= 16 kHz)
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#define SCK_DEFAULT 10 // usec (target clock >= 0.4 MHz)
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// How much data, max, do we want to send in one USB packet?
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#define CHUNK_SIZE 128 // must be power of 2 less than 256
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// The default USB Timeout
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#define USB_TIMEOUT 500 // msec
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern const char usbtiny_desc[];
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void usbtiny_initpgm(PROGRAMMER *pgm);
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#ifdef __cplusplus
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}
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#endif
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#endif /* usbtiny_h */
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