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Diffstat (limited to 'src/avrdude/usbtiny.h')
| -rw-r--r-- | src/avrdude/usbtiny.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/avrdude/usbtiny.h b/src/avrdude/usbtiny.h new file mode 100644 index 000000000..3a258b9f1 --- /dev/null +++ b/src/avrdude/usbtiny.h @@ -0,0 +1,68 @@ +/* + * avrdude - A Downloader/Uploader for AVR device programmers + * Copyright (C) 2007 Limor Fried + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + + +#ifndef usbtiny_h +#define usbtiny_h + +// Generic requests to the USBtiny +#define USBTINY_ECHO 0 // echo test +#define USBTINY_READ 1 // read byte (wIndex:address) +#define USBTINY_WRITE 2 // write byte (wIndex:address, wValue:value) +#define USBTINY_CLR 3 // clear bit (wIndex:address, wValue:bitno) +#define USBTINY_SET 4 // set bit (wIndex:address, wValue:bitno) + +// Programming requests +#define USBTINY_POWERUP 5 // apply power (wValue:SCK-period, wIndex:RESET) +#define USBTINY_POWERDOWN 6 // remove power from chip +#define USBTINY_SPI 7 // issue SPI command (wValue:c1c0, wIndex:c3c2) +#define USBTINY_POLL_BYTES 8 // set poll bytes for write (wValue:p1p2) +#define USBTINY_FLASH_READ 9 // read flash (wIndex:address) +#define USBTINY_FLASH_WRITE 10 // write flash (wIndex:address, wValue:timeout) +#define USBTINY_EEPROM_READ 11 // read eeprom (wIndex:address) +#define USBTINY_EEPROM_WRITE 12 // write eeprom (wIndex:address, wValue:timeout) + + + +// Flags to indicate how to set RESET on power up +#define RESET_LOW 0 +#define RESET_HIGH 1 + +// The SCK speed can be set by avrdude, to allow programming of slow-clocked parts +#define SCK_MIN 1 // usec delay (target clock >= 4 MHz) +#define SCK_MAX 250 // usec (target clock >= 16 KHz) +#define SCK_DEFAULT 10 // usec (target clock >= 0.4 MHz) + +// How much data, max, do we want to send in one USB packet? +#define CHUNK_SIZE 128 // must be power of 2 less than 256 + +// The default USB Timeout +#define USB_TIMEOUT 500 // msec + +#ifdef __cplusplus +extern "C" { +#endif + +extern const char usbtiny_desc[]; +void usbtiny_initpgm (PROGRAMMER * pgm); + +#ifdef __cplusplus +} +#endif + +#endif /* usbtiny_h */ |