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ch341funcs.h
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ch341funcs.h
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// libUSB driver for the ch341a in i2c mode
//
// Copyright 2011 asbokid <[email protected]>
#define CH341TOOLVERSION "0.5"
#define USB_LOCK_VENDOR 0x1a86 // Dev : (1a86) QinHeng Electronics
#define USB_LOCK_PRODUCT 0x5512 // (5512) CH341A in i2c mode
#define MAX_EEPROM_SIZE 131072 /* For 24c1024*/
#define EEPROM_I2C_BUS_ADDRESS 0x50
#define BULK_WRITE_ENDPOINT 0x02 /* bEndpointAddress 0x02 EP 2 OUT (Bulk)*/
#define BULK_READ_ENDPOINT 0x82 /* bEndpointAddress 0x82 EP 2 IN (Bulk)*/
#define DEFAULT_INTERFACE 0x00
#define DEFAULT_CONFIGURATION 0x01
#define DEFAULT_TIMEOUT 300 // 300mS for USB timeouts
#define IN_BUF_SZ 0x100
#define EEPROM_WRITE_BUF_SZ 0x2b // only for 24c64 / 24c32 ??
#define EEPROM_READ_BULKIN_BUF_SZ 0x20
#define EEPROM_READ_BULKOUT_BUF_SZ 0x65
/* Based on (closed-source) DLL V1.9 for USB by WinChipHead (c) 2005.
Supports USB chips: CH341, CH341A
This can be a problem for copyright, sure asbokid can't release this part on any GPL licence*/
#define mCH341_PACKET_LENGTH 32 /* wMaxPacketSize 0x0020 1x 32 bytes, unused on the source*/
#define mCH341_PKT_LEN_SHORT 8 /* wMaxPacketSize 0x0008 1x 8 bytes, unused on the source*/
#define mCH341_ENDP_INTER_UP 0x81 /* bEndpointAddress 0x81 EP 1 IN (Interrupt), unused on the source*/
#define mCH341_ENDP_INTER_DOWN 0x01 /* This endpoint isn't list on my lsusb -v output, unused on the source*/
#define mCH341_ENDP_DATA_UP 0x82 /* ==BULK_READ_ENDPOINT Why repeat it?*/
#define mCH341_ENDP_DATA_DOWN 0x02 /* ==BULK_WRITE_ENDPOINT Why repeat it?*/
#define mCH341_VENDOR_READ 0xC0 /* Unused on the source*/
#define mCH341_VENDOR_WRITE 0x40 /* Unused on the source*/
#define mCH341_PARA_INIT 0xB1 /* Unused on the source*/
#define mCH341_I2C_STATUS 0x52 /* Unused on the source*/
#define mCH341_I2C_COMMAND 0x53 /* Unused on the source*/
#define mCH341_PARA_CMD_R0 0xAC /* Unused on the source*/
#define mCH341_PARA_CMD_R1 0xAD /* Unused on the source*/
#define mCH341_PARA_CMD_W0 0xA6 /* Unused on the source*/
#define mCH341_PARA_CMD_W1 0xA7 /* Unused on the source*/
#define mCH341_PARA_CMD_STS 0xA0 /* Unused on the source*/
#define mCH341A_CMD_SET_OUTPUT 0xA1 /* Unused on the source*/
#define mCH341A_CMD_IO_ADDR 0xA2 /* Unused on the source*/
#define mCH341A_CMD_PRINT_OUT 0xA3 /* Unused on the source*/
#define mCH341A_CMD_SPI_STREAM 0xA8 /* Unused on the source*/
#define mCH341A_CMD_SIO_STREAM 0xA9 /* Unused on the source*/
#define mCH341A_CMD_I2C_STREAM 0xAA
#define mCH341A_CMD_UIO_STREAM 0xAB /* Unused on the source*/
#define mCH341A_BUF_CLEAR 0xB2 /* Unused on the source*/
#define mCH341A_I2C_CMD_X 0x54 /* Unused on the source*/
#define mCH341A_DELAY_MS 0x5E /* Unused on the source*/
#define mCH341A_GET_VER 0x5F /* Unused on the source*/
#define mCH341_EPP_IO_MAX ( mCH341_PACKET_LENGTH - 1 ) /* Unused on the source*/
#define mCH341A_EPP_IO_MAX 0xFF /* Unused on the source*/
#define mCH341A_CMD_IO_ADDR_W 0x00 /* Unused on the source*/
#define mCH341A_CMD_IO_ADDR_R 0x80 /* Unused on the source*/
#define mCH341A_CMD_I2C_STM_STA 0x74
#define mCH341A_CMD_I2C_STM_STO 0x75
#define mCH341A_CMD_I2C_STM_OUT 0x80
#define mCH341A_CMD_I2C_STM_IN 0xC0
#define mCH341A_CMD_I2C_STM_MAX ( min( 0x3F, mCH341_PACKET_LENGTH ) ) /* Unused on the source*/
#define mCH341A_CMD_I2C_STM_SET 0x60
#define mCH341A_CMD_I2C_STM_US 0x40 /* Unused on the source*/
#define mCH341A_CMD_I2C_STM_MS 0x50 /* Unused on the source*/
#define mCH341A_CMD_I2C_STM_DLY 0x0F /* Unused on the source*/
#define mCH341A_CMD_I2C_STM_END 0x00
#define mCH341A_CMD_UIO_STM_IN 0x00 /* Unused on the source*/
#define mCH341A_CMD_UIO_STM_DIR 0x40 /* Unused on the source*/
#define mCH341A_CMD_UIO_STM_OUT 0x80 /* Unused on the source*/
#define mCH341A_CMD_UIO_STM_US 0xC0 /* Unused on the source*/
#define mCH341A_CMD_UIO_STM_END 0x20 /* Unused on the source*/
#define mCH341_PARA_MODE_EPP 0x00 /* Unused on the source*/
#define mCH341_PARA_MODE_EPP17 0x00 /* Unused on the source*/
#define mCH341_PARA_MODE_EPP19 0x01 /* Unused on the source*/
#define mCH341_PARA_MODE_MEM 0x02 /* Unused on the source*/
/* End of part based on (closed-source) DLL V1.9 for USB by WinChipHead (c) 2005.
Since is largely unused we can replace it*/
#define CH341_I2C_LOW_SPEED 0 // low speed - 20kHz
#define CH341_I2C_STANDARD_SPEED 1 // standard speed - 100kHz
#define CH341_I2C_FAST_SPEED 2 // fast speed - 400kHz
#define CH341_I2C_HIGH_SPEED 3 // high speed - 750kHz
#define CH341_EEPROM_READ_CMD_SZ 0x65 /* Same size for all 24cXX read setup and next packets*/
/* CH341a READ EEPROM setup packet for the 24c01
this needs putting into a struct to allow convenient access to individual elements*/
#define CH341_EEPROM_24c01_READ_SETUP_CMD "\xaa\x74\x82\xa0\x00\x74\x81\xa1\xe0\x00\x0f\x00\x06\x04\x00\x00" \
"\x00\x00\x00\x00\x01\x00\x00\x00\x11\x4d\x40\x77\xcd\xab\xba\xdc" \
"\xaa\xe0\x00\x00\xc4\xf1\x12\x00\x11\x4d\x40\x77\xf0\xf1\x12\x00" \
"\xd9\x8b\x41\x7e\x00\xd0\xfd\x7f\xf0\xf1\x12\x00\x5a\x88\x41\x7e" \
"\xaa\xe0\x00\x00\x2a\x88\x41\x7e\x06\x04\x00\x00\x11\x4d\x40\x77" \
"\xe8\xf3\x12\x00\x14\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xdf\xc0\x75\x00"
/* please se file /wiresharkusbsniffing/sniffed.txt
this is the read setup packet for 24c01
0040 aa 74 82 a0 00 74 81 a1 e0 00 0f 00 06 04 00 00 .t...t.. ........
0050 00 00 00 00 01 00 00 00 11 4d 40 77 cd ab ba dc ........ .M@w....
0060 aa e0 00 00 c4 f1 12 00 11 4d 40 77 f0 f1 12 00 ........ .M@w....
0070 d9 8b 41 7e 00 d0 fd 7f f0 f1 12 00 5a 88 41 7e ..A~.... ....Z.A~
0080 aa e0 00 00 2a 88 41 7e 06 04 00 00 11 4d 40 77 ....*.A~ .....M@w
0090 e8 f3 12 00 14 00 00 00 01 00 00 00 00 00 00 00 ........ ........
00a0 aa df c0 75 00 ...u.
*/
/* CH341a READ EEPROM next packet for 24c01 (no packets!!!)*/
/* CH341a READ EEPROM setup packet for the 24c02
this needs putting into a struct to allow convenient access to individual elements*/
#define CH341_EEPROM_24c02_READ_SETUP_CMD "\xaa\x74\x82\xa0\x00\x74\x81\xa1\xe0\x00\x10\x00\x06\x04\x00\x00" \
"\x00\x00\x00\x00\x02\x00\x00\x00\x11\x4d\x40\x77\xcd\xab\xba\xdc" \
"\xaa\xe0\x00\x00\xc4\xf1\x12\x00\x11\x4d\x40\x77\xf0\xf1\x12\x00" \
"\xd9\x8b\x41\x7e\x00\xf0\xfd\x7f\xf0\xf1\x12\x00\x5a\x88\x41\x7e" \
"\xaa\xe0\x00\x00\x2a\x88\x41\x7e\x06\x04\x00\x00\x11\x4d\x40\x77" \
"\xe8\xf3\x12\x00\x14\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xdf\xc0\x75\x00"
/* please se file /wiresharkusbsniffing/sniffed.txt
this is the read setup packet for 24c02
0040 aa 74 82 a0 00 74 81 a1 e0 00 10 00 06 04 00 00 .t...t.. ........
0050 00 00 00 00 02 00 00 00 11 4d 40 77 cd ab ba dc ........ .M@w....
0060 aa e0 00 00 c4 f1 12 00 11 4d 40 77 f0 f1 12 00 ........ .M@w....
0070 d9 8b 41 7e 00 f0 fd 7f f0 f1 12 00 5a 88 41 7e ..A~.... ....Z.A~
0080 aa e0 00 00 2a 88 41 7e 06 04 00 00 11 4d 40 77 ....*.A~ .....M@w
0090 e8 f3 12 00 14 00 00 00 01 00 00 00 00 00 00 00 ........ ........
00a0 aa df c0 75 00 ...u.
*/
/* CH341a READ EEPROM next packet for 24c02 (one packet)*/
#define CH341_EEPROM_24c02_READ_NEXT_CMD "\xaa\x74\x82\xa0\x80\x74\x81\xa1\xe0\x00\x00\x00\x10\x00\x00\x00" \
"\x00\x00\x00\x00\x8c\xf1\x12\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xe0\x00\x00\x4c\xf1\x12\x00\x5d\x22\xd7\x5a\xdc\xf1\x12\x00" \
"\x8f\x04\x44\x7e\x30\x88\x41\x7e\xff\xff\xff\xff\x2a\x88\x41\x7e" \
"\xaa\xe0\x00\x7e\x00\x00\x00\x00\x69\x0e\x3c\x00\xe4\x00\x18\x00" \
"\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x8c\xe8\x67\x00" \
"\xaa\xdf\xc0\x75\x00"
/*please see file /wiresharkusbsniffing/sniffed.txt
this is the read next packet for 24c02 (one packet)
0040 aa 74 82 a0 80 74 81 a1 e0 00 00 00 10 00 00 00 .t...t.. ........
0050 00 00 00 00 8c f1 12 00 01 00 00 00 00 00 00 00 ........ ........
0060 aa e0 00 00 4c f1 12 00 5d 22 d7 5a dc f1 12 00 ....L... ]".Z....
0070 8f 04 44 7e 30 88 41 7e ff ff ff ff 2a 88 41 7e ..D~0.A~ ....*.A~
0080 aa e0 00 7e 00 00 00 00 69 0e 3c 00 e4 00 18 00 ...~.... i.<.....
0090 0f 00 00 00 00 00 00 00 00 00 00 00 8c e8 67 00 ........ ......g.
00a0 aa df c0 75 00 ...u.
*/
/* CH341a READ EEPROM setup packet for the 24c04
this needs putting into a struct to allow convenient access to individual elements*/
#define CH341_EEPROM_24c04_READ_SETUP_CMD "\xaa\x74\x82\xa0\x00\x74\x81\xa1\xe0\x00\x11\x00\x06\x04\x00\x00" \
"\x00\x00\x00\x00\x04\x00\x00\x00\x11\x4d\x40\x77\xcd\xab\xba\xdc" \
"\xaa\xe0\x00\x00\xc4\xf1\x12\x00\x11\x4d\x40\x77\xf0\xf1\x12\x00" \
"\xd9\x8b\x41\x7e\x00\xd0\xfd\x7f\xf0\xf1\x12\x00\x5a\x88\x41\x7e" \
"\xaa\xe0\x00\x00\x2a\x88\x41\x7e\x06\x04\x00\x00\x11\x4d\x40\x77" \
"\xe8\xf3\x12\x00\x14\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xdf\xc0\x75\x00"
/* please se file /wiresharkusbsniffing/sniffed.txt
this is the read setup packet for 24c04
0040 aa 74 82 a0 00 74 81 a1 e0 00 11 00 06 04 00 00 .t...t.. ........
0050 00 00 00 00 04 00 00 00 11 4d 40 77 cd ab ba dc ........ .M@w....
0060 aa e0 00 00 c4 f1 12 00 11 4d 40 77 f0 f1 12 00 ........ .M@w....
0070 d9 8b 41 7e 00 d0 fd 7f f0 f1 12 00 5a 88 41 7e ..A~.... ....Z.A~
0080 aa e0 00 00 2a 88 41 7e 06 04 00 00 11 4d 40 77 ....*.A~ .....M@w
0090 e8 f3 12 00 14 00 00 00 01 00 00 00 00 00 00 00 ........ ........
00a0 aa df c0 75 00 ...u.
*/
/* CH341a READ EEPROM next packet for 24c04 (three packets)*/
#define CH341_EEPROM_24c04_READ_NEXT_CMD "\xaa\x74\x82\xa0\x80\x74\x81\xa1\xe0\x00\x00\x00\x10\x00\x00\x00" \
"\x00\x00\x00\x00\x8c\xf1\x12\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xe0\x00\x00\x4c\xf1\x12\x00\x5d\x22\xd7\x5a\xdc\xf1\x12\x00" \
"\x8f\x04\x44\x7e\x30\x88\x41\x7e\xff\xff\xff\xff\x2a\x88\x41\x7e" \
"\xaa\xe0\x00\x7e\x00\x00\x00\x00\x69\x0e\x3c\x00\xde\x00\x16\x00" \
"\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x8c\xe8\x67\x00" \
"\xaa\xdf\xc0\x75\x00"
/*please see file /wiresharkusbsniffing/sniffed.txt
this is the first read next packet for 24c04 (three different packets)
0040 aa 74 82 a0 80 74 81 a1 e0 00 00 00 10 00 00 00 .t...t.. ........
0050 00 00 00 00 8c f1 12 00 01 00 00 00 00 00 00 00 ........ ........
0060 aa e0 00 00 4c f1 12 00 5d 22 d7 5a dc f1 12 00 ....L... ]".Z....
0070 8f 04 44 7e 30 88 41 7e ff ff ff ff 2a 88 41 7e ..D~0.A~ ....*.A~
0080 aa e0 00 7e 00 00 00 00 69 0e 3c 00 de 00 16 00 ...~.... i.<.....
0090 0f 00 00 00 00 00 00 00 00 00 00 00 8c e8 67 00 ........ ......g.
00a0 aa df c0 75 00 ...u.
*/
/* CH341a READ EEPROM setup packet for the 24c08
this needs putting into a struct to allow convenient access to individual elements*/
#define CH341_EEPROM_24c08_READ_SETUP_CMD "\xaa\x74\x82\xa0\x00\x74\x81\xa1\xe0\x00\x16\x00\x06\x04\x00\x00" \
"\x00\x00\x00\x00\x08\x00\x00\x00\x11\x4d\x40\x77\xcd\xab\xba\xdc" \
"\xaa\xe0\x00\x00\xc4\xf1\x12\x00\x11\x4d\x40\x77\xf0\xf1\x12\x00" \
"\xd9\x8b\x41\x7e\x00\xd0\xfd\x7f\xf0\xf1\x12\x00\x5a\x88\x41\x7e" \
"\xaa\xe0\x00\x00\x2a\x88\x41\x7e\x06\x04\x00\x00\x11\x4d\x40\x77" \
"\xe8\xf3\x12\x00\x14\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xdf\xc0\x75\x00"
/* please se file /wiresharkusbsniffing/sniffed.txt
this is the read setup packet for 24c08
0040 aa 74 82 a0 00 74 81 a1 e0 00 16 00 06 04 00 00 .t...t.. ........
0050 00 00 00 00 08 00 00 00 11 4d 40 77 cd ab ba dc ........ .M@w....
0060 aa e0 00 00 c4 f1 12 00 11 4d 40 77 f0 f1 12 00 ........ .M@w....
0070 d9 8b 41 7e 00 d0 fd 7f f0 f1 12 00 5a 88 41 7e ..A~.... ....Z.A~
0080 aa e0 00 00 2a 88 41 7e 06 04 00 00 11 4d 40 77 ....*.A~ .....M@w
0090 e8 f3 12 00 14 00 00 00 01 00 00 00 00 00 00 00 ........ ........
00a0 aa df c0 75 00 ...u.
*/
/* CH341a READ EEPROM next packet for 24c08 (seven packets)*/
#define CH341_EEPROM_24c08_READ_NEXT_CMD "\xaa\x74\x82\xa0\x80\x74\x81\xa1\xe0\x00\x00\x00\x10\x00\x00\x00" \
"\x00\x00\x00\x00\x8c\xf1\x12\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xe0\x00\x00\x4c\xf1\x12\x00\x5d\x22\xd7\x5a\xdc\xf1\x12\x00" \
"\x8f\x04\x44\x7e\x30\x88\x41\x7e\xff\xff\xff\xff\x2a\x88\x41\x7e" \
"\xaa\xe0\x00\x7e\x00\x00\x00\x00\x69\x0e\x3c\x00\x00\x01\x1a\x00" \
"\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x8c\xe8\x67\x00" \
"\xaa\xdf\xc0\x75\x00"
/*please see file /wiresharkusbsniffing/sniffed.txt
this is the first read next packet for 24c08 (seven different packets)
0040 aa 74 82 a0 80 74 81 a1 e0 00 00 00 10 00 00 00 .t...t.. ........
0050 00 00 00 00 8c f1 12 00 01 00 00 00 00 00 00 00 ........ ........
0060 aa e0 00 00 4c f1 12 00 5d 22 d7 5a dc f1 12 00 ....L... ]".Z....
0070 8f 04 44 7e 30 88 41 7e ff ff ff ff 2a 88 41 7e ..D~0.A~ ....*.A~
0080 aa e0 00 7e 00 00 00 00 69 0e 3c 00 00 01 1a 00 ...~.... i.<.....
0090 0f 00 00 00 00 00 00 00 00 00 00 00 8c e8 67 00 ........ ......g.
00a0 aa df c0 75 00 ...u.
*/
/* CH341a READ EEPROM setup packet for the 24c16
this needs putting into a struct to allow convenient access to individual elements*/
#define CH341_EEPROM_24c16_READ_SETUP_CMD "\xaa\x74\x82\xa0\x00\x74\x81\xa1\xe0\x00\x0e\x00\x06\x04\x00\x00" \
"\x00\x00\x00\x00\x10\x00\x00\x00\x11\x4d\x40\x77\xcd\xab\xba\xdc" \
"\xaa\xe0\x00\x00\xc4\xf1\x12\x00\x11\x4d\x40\x77\xf0\xf1\x12\x00" \
"\xd9\x8b\x41\x7e\x00\xe0\xfd\x7f\xf0\xf1\x12\x00\x5a\x88\x41\x7e" \
"\xaa\xe0\x00\x00\x2a\x88\x41\x7e\x06\x04\x00\x00\x11\x4d\x40\x77" \
"\xe8\xf3\x12\x00\x14\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xdf\xc0\x75\x00"
/* please se file /wiresharkusbsniffing/sniffed.txt
this is the read setup packet for 24c16
0040 aa 74 82 a0 00 74 81 a1 e0 00 0e 00 06 04 00 00 .t...t.. ........
0050 00 00 00 00 10 00 00 00 11 4d 40 77 cd ab ba dc ........ .M@w....
0060 aa e0 00 00 c4 f1 12 00 11 4d 40 77 f0 f1 12 00 ........ .M@w....
0070 d9 8b 41 7e 00 e0 fd 7f f0 f1 12 00 5a 88 41 7e ..A~.... ....Z.A~
0080 aa e0 00 00 2a 88 41 7e 06 04 00 00 11 4d 40 77 ....*.A~ .....M@w
0090 e8 f3 12 00 14 00 00 00 01 00 00 00 00 00 00 00 ........ ........
00a0 aa df c0 75 00 ...u.
*/
/* CH341a READ EEPROM next packet for 24c16*/
#define CH341_EEPROM_24c16_READ_NEXT_CMD "\xaa\x74\x82\xa0\x80\x74\x81\xa1\xe0\x00\x00\x00\x10\x00\x00\x00" \
"\x00\x00\x00\x00\x8c\xf1\x12\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xe0\x00\x00\x4c\xf1\x12\x00\x5d\x22\xd7\x5a\xdc\xf1\x12\x00" \
"\x8f\x04\x44\x7e\x30\x88\x41\x7e\xff\xff\xff\xff\x2a\x88\x41\x7e" \
"\xaa\xe0\x00\x7e\x00\x00\x00\x00\x69\x0e\x3c\x00\xfa\x00\x31\x00" \
"\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x8c\xe8\x67\x00" \
"\xaa\xdf\xc0\x75\x00"
/*please see file /wiresharkusbsniffing/sniffed.txt
this is the first read next packet for 24c16 (fifteen different packets)
0040 aa 74 82 a0 80 74 81 a1 e0 00 00 00 10 00 00 00 .t...t.. ........
0050 00 00 00 00 8c f1 12 00 01 00 00 00 00 00 00 00 ........ ........
0060 aa e0 00 00 4c f1 12 00 5d 22 d7 5a dc f1 12 00 ....L... ]".Z....
0070 8f 04 44 7e 30 88 41 7e ff ff ff ff 2a 88 41 7e ..D~0.A~ ....*.A~
0080 aa e0 00 7e 00 00 00 00 69 0e 3c 00 fa 00 31 00 ...~.... i.<...1.
0090 0f 00 00 00 00 00 00 00 00 00 00 00 8c e8 67 00 ........ ......g.
00a0 aa df c0 75 00 ...u.
*/
/* CH341a READ EEPROM setup packet for the 24c64
this needs putting into a struct to allow convenient access to individual elements*/
#define CH341_EEPROM_24c64_READ_SETUP_CMD "\xaa\x74\x83\xa0\x00\x00\x74\x81\xa1\xe0\x00\x00\x06\x04\x00\x00" \
"\x00\x00\x00\x00\x40\x00\x00\x00\x11\x4d\x40\x77\xcd\xab\xba\xdc" \
"\xaa\xe0\x00\x00\xc4\xf1\x12\x00\x11\x4d\x40\x77\xf0\xf1\x12\x00" \
"\xd9\x8b\x41\x7e\x00\xf0\xfd\x7f\xf0\xf1\x12\x00\x5a\x88\x41\x7e" \
"\xaa\xe0\x00\x00\x2a\x88\x41\x7e\x06\x04\x00\x00\x11\x4d\x40\x77" \
"\xe8\xf3\x12\x00\x14\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xdf\xc0\x75\x00"
/* please se file /wiresharkusbsniffing/sniffed.txt
this is the read setup packet for 24c64
0040 aa 74 83 a0 00 00 74 81 a1 e0 00 00 06 04 00 00 .t....t. ........
0050 00 00 00 00 40 00 00 00 11 4d 40 77 cd ab ba dc ....@... .M@w....
0060 aa e0 00 00 c4 f1 12 00 11 4d 40 77 f0 f1 12 00 ........ .M@w....
0070 d9 8b 41 7e 00 e0 fd 7f f0 f1 12 00 5a 88 41 7e ..A~.... ....Z.A~
0080 aa e0 00 00 2a 88 41 7e 06 04 00 00 11 4d 40 77 ....*.A~ .....M@w
0090 e8 f3 12 00 14 00 00 00 01 00 00 00 00 00 00 00 ........ ........
00a0 aa df c0 75 00 ...u.
*/
/* CH341a READ EEPROM next packet for 24c64 (63 packets)*/
#define CH341_EEPROM_24c64_READ_NEXT_CMD "\xaa\x74\x83\xa0\x00\x00\x74\x81\xa1\xe0\x00\x00\x10\x00\x00\x00" \
"\x00\x00\x00\x00\x8c\xf1\x12\x00\x01\x00\x00\x00\x00\x00\x00\x00" \
"\xaa\xe0\x00\x00\x4c\xf1\x12\x00\x5d\x22\xd7\x5a\xdc\xf1\x12\x00" \
"\x8f\x04\x44\x7e\x30\x88\x41\x7e\xff\xff\xff\xff\x2a\x88\x41\x7e" \
"\xaa\xe0\x00\x7e\x00\x00\x00\x00\x69\x0e\x3c\x00\x12\x01\x19\x00" \
"\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9c\x2e\x68\x00" \
"\xaa\xdf\xc0\x75\x00"
/* please see file /wiresharkusbsniffing/sniffed.txt
this is the first read next packet for 24c64 (63 different packets)
0040 aa 74 83 a0 00 80 74 81 a1 e0 00 00 10 00 00 00 .t....t. ........
0050 00 00 00 00 8c f1 12 00 01 00 00 00 00 00 00 00 ........ ........
0060 aa e0 00 00 4c f1 12 00 5d 22 d7 5a dc f1 12 00 ....L... ]".Z....
0070 8f 04 44 7e 30 88 41 7e ff ff ff ff 2a 88 41 7e ..D~0.A~ ....*.A~
0080 aa e0 00 7e 00 00 00 00 69 0e 3c 00 3a 01 1b 00 ...~.... i.<.:...
0090 0f 00 00 00 00 00 00 00 00 00 00 00 8c e8 67 00 ........ ......g.
00a0 aa df c0 75 00 ...u.
*/
#define MIN(a,b) (((a)<(b))?(a):(b))
#define MAX(a,b) (((a)>(b))?(a):(b))
#define TRUE 1
#define FALSE 0
struct EEPROM {
char *name;
uint32_t size;
uint16_t page_size;
uint8_t addr_size; // Length of addres in bytes
uint8_t i2c_addr_mask;
};
const static struct EEPROM eepromlist[] = {
{ "24c01", 128, 8, 1, 0x00}, // 16 pages of 8 bytes each = 128 bytes
{ "24c02", 256, 8, 1, 0x00}, // 32 pages of 8 bytes each = 256 bytes
{ "24c04", 512, 16, 1, 0x01}, // 32 pages of 16 bytes each = 512 bytes
{ "24c08", 1024, 16, 1, 0x03}, // 64 pages of 16 bytes each = 1024 bytes
{ "24c16", 2048, 16, 1, 0x07}, // 128 pages of 16 bytes each = 2048 bytes
{ "24c32", 4096, 32, 2, 0x00}, // 32kbit = 4kbyte
{ "24c64", 8192, 32, 2, 0x00},
{ "24c128", 16384, 32/*64*/, 2, 0x00},
{ "24c256", 32768, 32/*64*/, 2, 0x00},
{ "24c512", 65536, 32/*128*/, 2, 0x00},
{ "24c1024", 131072, 32/*128*/, 2, 0x01},
{ 0, 0, 0, 0 }
};
extern uint8_t *readbuf;
int32_t ch341readEEPROM(struct libusb_device_handle *devHandle, uint8_t *buf, uint32_t bytes, struct EEPROM* eeprom_info);
int32_t ch341writeEEPROM(struct libusb_device_handle *devHandle, uint8_t *buf, uint32_t bytes, struct EEPROM* eeprom_info);
struct libusb_device_handle *ch341configure(uint16_t vid, uint16_t pid);
int32_t ch341setstream(struct libusb_device_handle *devHandle, uint32_t speed);
int32_t parseEEPsize(char* eepromname, struct EEPROM *eeprom);
// callback functions for async USB transfers
void cbBulkIn(struct libusb_transfer *transfer);
void cbBulkOut(struct libusb_transfer *transfer);