armsrc/i2c.h

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // See LICENSE.txt for the text of the license.
  15 //-----------------------------------------------------------------------------
  16 #ifndef __I2C_H
  17 #define __I2C_H
  18
  19 #include "common.h"
  20 #include "pm3_cmd.h"
  21
  22 #define I2C_DEVICE_ADDRESS_BOOT     0xB0
  23 #define I2C_DEVICE_ADDRESS_MAIN     0xC0
  24
  25 #define I2C_DEVICE_CMD_GENERATE_ATR 0x01
  26 #define I2C_DEVICE_CMD_SEND         0x02
  27 #define I2C_DEVICE_CMD_READ         0x03
  28 #define I2C_DEVICE_CMD_SETBAUD      0x04
  29 #define I2C_DEVICE_CMD_SIM_CLC      0x05
  30 #define I2C_DEVICE_CMD_GETVERSION   0x06
  31 #define I2C_DEVICE_CMD_SEND_T0      0x07
  32
  33 // The SIM module v4 supports up to 384 bytes for the length.
  34 #define  ISO7816_MAX_FRAME 270
  35
  36 // 8051 speaks with smart card.
  37 // 1000*50*3.07   = 153.5ms
  38 // 1 byte transfer == 1ms with max frame being 256 bytes
  39 #define SIM_WAIT_DELAY  88000 // about 270ms delay // 109773 -- about 337.7ms delay
  40
  41
  42 void I2C_recovery(void);
  43 void I2C_init(bool has_ticks);
  44 void I2C_Reset(void);
  45 void I2C_SetResetStatus(uint8_t LineRST, uint8_t LineSCK, uint8_t LineSDA);
  46
  47 void I2C_Reset_EnterMainProgram(void);
  48 void I2C_Reset_EnterBootloader(void);
  49
  50 bool I2C_WriteCmd(uint8_t device_cmd, uint8_t device_address);
  51
  52 bool I2C_WriteByte(uint8_t data, uint8_t device_cmd, uint8_t device_address);
  53 bool I2C_BufferWrite(const uint8_t *data, uint16_t len, uint8_t device_cmd, uint8_t device_address);
  54 int16_t I2C_BufferRead(uint8_t *data, uint16_t len, uint8_t device_cmd, uint8_t device_address);
  55
  56 // for firmware
  57 int16_t I2C_ReadFW(uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t device_address);
  58 bool I2C_WriteFW(const uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t device_address);
  59
  60 bool sc_rx_bytes(uint8_t *dest, uint16_t *destlen, uint32_t wait);
  61 //
  62 bool GetATR(smart_card_atr_t *card_ptr, bool verbose);
  63
  64 // generice functions
  65 void SmartCardAtr(void);
  66 void SmartCardRaw(const smart_card_raw_t *p);
  67 void SmartCardUpgrade(uint64_t arg0);
  68 void SmartCardSetBaud(uint64_t arg0);
  69 void SmartCardSetClock(uint64_t arg0);
  70 void I2C_print_status(void);
  71 int I2C_get_version(uint8_t *major, uint8_t *minor);
  72
  73 #endif