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ch341a.h
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ch341a.h
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/*
* This file is part of the ch341prog project.
*
* Copyright (C) 2014 Pluto Yang ([email protected])
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __CH341_H__
#define __CH341_H__
#ifdef __cplusplus
extern "C" {
#endif
#define DEFAULT_TIMEOUT 1000 // 300mS for USB timeouts
#define BULK_WRITE_ENDPOINT 0x02
#define BULK_READ_ENDPOINT 0x82
#define CH341_PACKET_LENGTH 0x20
#define CH341_MAX_PACKETS 256
#define CH341_MAX_PACKET_LEN (CH341_PACKET_LENGTH * CH341_MAX_PACKETS)
#define CH341A_USB_VENDOR 0x1A86
#define CH341A_USB_PRODUCT 0x5512
#define CH341A_CMD_SET_OUTPUT 0xA1
#define CH341A_CMD_IO_ADDR 0xA2
#define CH341A_CMD_PRINT_OUT 0xA3
#define CH341A_CMD_SPI_STREAM 0xA8
#define CH341A_CMD_SIO_STREAM 0xA9
#define CH341A_CMD_I2C_STREAM 0xAA
#define CH341A_CMD_UIO_STREAM 0xAB
#define CH341A_CMD_I2C_STM_STA 0x74
#define CH341A_CMD_I2C_STM_STO 0x75
#define CH341A_CMD_I2C_STM_OUT 0x80
#define CH341A_CMD_I2C_STM_IN 0xC0
#define CH341A_CMD_I2C_STM_MAX ( min( 0x3F, CH341_PACKET_LENGTH ) )
#define CH341A_CMD_I2C_STM_SET 0x60
#define CH341A_CMD_I2C_STM_US 0x40
#define CH341A_CMD_I2C_STM_MS 0x50
#define CH341A_CMD_I2C_STM_DLY 0x0F
#define CH341A_CMD_I2C_STM_END 0x00
#define CH341A_CMD_UIO_STM_IN 0x00
#define CH341A_CMD_UIO_STM_DIR 0x40
#define CH341A_CMD_UIO_STM_OUT 0x80
#define CH341A_CMD_UIO_STM_US 0xC0
#define CH341A_CMD_UIO_STM_END 0x20
#define CH341A_STM_I2C_20K 0x00
#define CH341A_STM_I2C_100K 0x01
#define CH341A_STM_I2C_400K 0x02
#define CH341A_STM_I2C_750K 0x03
#define CH341A_STM_SPI_DBL 0x04
int32_t usbTransfer(const char * func, uint8_t type, uint8_t* buf, int len);
int32_t ch341Configure(uint16_t vid, uint16_t pid);
int32_t ch341SetStream(uint32_t speed);
int32_t ch341SpiStream(uint8_t *out, uint8_t *in, uint32_t len);
int32_t ch341SpiCapacity(void);
int32_t ch341SpiRead(uint8_t *buf, uint32_t add, uint32_t len);
int32_t ch341ReadStatus(void);
int32_t ch341WriteStatus(uint8_t status);
int32_t ch341EraseChip(void);
int32_t ch341SpiWrite(uint8_t *buf, uint32_t add, uint32_t len);
int32_t ch341Release(void);
uint8_t swapByte(uint8_t c);
#ifdef __cplusplus
}
#endif
#endif