ch341a_bitbang.h

/*
 * avrdude - A Downloader/Uploader for AVR device programmers
 *
 * avrdude support for CH341
 * Copyright (C) 2016  Alexey Sadkov
 *
 * 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 ch341a_bitbang_h
#define ch341a_bitbang_h

#define CH341A_VID					0x1A86
#define CH341A_PID					0x5512

#define CH341A_PACKET_LENGTH		0x20

#define CH341A_USB_BULK_ENDPOINT	0x02
#define CH341A_PACKET_LENGTH		0x20

#define CH341A_USB_TIMEOUT			15000

#define CH341A_CMD_SPI_STREAM		0xA8	//SPI command
#define CH341A_CMD_UIO_STREAM		0xAB	//UIO command

#define	CH341A_CMD_UIO_STM_IN		0x00	// UIO Interface In ( D0 ~ D7 )
#define	CH341A_CMD_UIO_STM_DIR		0x40	// UIO interface Dir( set dir of D0~D5 )
#define	CH341A_CMD_UIO_STM_OUT		0x80	// UIO Interface Output(D0~D5)
#define	CH341A_CMD_UIO_STM_END		0x20	// UIO Interface End Command
#define	CH341A_CMD_UIO_STM_US		0xC0

#define	 CH341A_CMD_I2C_STREAM		0xAA
#define	 CH341A_CMD_I2C_STM_SET		0x60 // bit 2: SPI with two data pairs D5,D4=out, D7,D6=in
#define	 CH341A_CMD_I2C_STM_END		0x00


/* USB error identifiers */
#define USB_ERROR_NOTFOUND  1
#define USB_ERROR_ACCESS    2
#define USB_ERROR_IO        3


#ifdef __cplusplus
extern "C" {
#endif

extern const char ch341a_bitbang_desc[];
void ch341a_bitbang_initpgm (PROGRAMMER * pgm);

#ifdef __cplusplus
}
#endif

#endif /* ch341a_bitbang_h */