mirror of
https://github.com/Proxmark/proxmark3.git
synced 2024-11-15 21:25:20 +08:00
050aa18b13
* detect and use RDV40 higher voltage ADC channel for hw tune, hf tune, hw detectreader * fix mode switching in hw detectreader * detect Smartcard Slot in hw version * i2c changes from https://github.com/RfidResearchGroup/proxmark3 * some formatting in proxmark3.h
823 lines
No EOL
17 KiB
C
823 lines
No EOL
17 KiB
C
//-----------------------------------------------------------------------------
|
||
// Willok, June 2018
|
||
// Edits by Iceman, July 2018
|
||
//
|
||
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
|
||
// at your option, any later version. See the LICENSE.txt file for the text of
|
||
// the license.
|
||
//-----------------------------------------------------------------------------
|
||
// The main i2c code, for communications with smart card module
|
||
//-----------------------------------------------------------------------------
|
||
|
||
#include "i2c.h"
|
||
|
||
#include <stdint.h>
|
||
#include <stdbool.h>
|
||
#include "string.h" //for memset memcmp
|
||
#include "proxmark3.h"
|
||
#include "mifareutil.h" // for MF_DBGLEVEL
|
||
#include "BigBuf.h"
|
||
#include "apps.h"
|
||
|
||
#ifdef WITH_SMARTCARD
|
||
#include "smartcard.h"
|
||
#endif
|
||
|
||
|
||
// 定义连接引脚
|
||
#define GPIO_RST AT91C_PIO_PA1
|
||
#define GPIO_SCL AT91C_PIO_PA5
|
||
#define GPIO_SDA AT91C_PIO_PA7
|
||
|
||
#define SCL_H HIGH(GPIO_SCL)
|
||
#define SCL_L LOW(GPIO_SCL)
|
||
#define SDA_H HIGH(GPIO_SDA)
|
||
#define SDA_L LOW(GPIO_SDA)
|
||
|
||
#define SCL_read (AT91C_BASE_PIOA->PIO_PDSR & GPIO_SCL)
|
||
#define SDA_read (AT91C_BASE_PIOA->PIO_PDSR & GPIO_SDA)
|
||
|
||
#define I2C_ERROR "I2C_WaitAck Error"
|
||
|
||
static volatile unsigned long c;
|
||
|
||
// 直接使用循环来延时，一个循环 6 条指令，48M， Delay=1 大概为 200kbps
|
||
// timer.
|
||
// I2CSpinDelayClk(4) = 12.31us
|
||
// I2CSpinDelayClk(1) = 3.07us
|
||
static void __attribute__((optimize("O0"))) I2CSpinDelayClk(uint16_t delay) {
|
||
for (c = delay * 2; c; c--) {};
|
||
}
|
||
|
||
// 通讯延迟函数 communication delay function
|
||
#define I2C_DELAY_1CLK I2CSpinDelayClk(1)
|
||
#define I2C_DELAY_2CLK I2CSpinDelayClk(2)
|
||
#define I2C_DELAY_XCLK(x) I2CSpinDelayClk((x))
|
||
|
||
|
||
#define ISO7618_MAX_FRAME 255
|
||
|
||
static void I2C_init(void) {
|
||
// Configure reset pin
|
||
AT91C_BASE_PIOA->PIO_PPUDR = GPIO_RST; // disable pull up resistor
|
||
AT91C_BASE_PIOA->PIO_MDDR = GPIO_RST; // push-pull output (multidriver disabled)
|
||
|
||
// Configure SCL and SDA pins
|
||
AT91C_BASE_PIOA->PIO_PPUER |= (GPIO_SCL | GPIO_SDA); // enable pull up resistor
|
||
AT91C_BASE_PIOA->PIO_MDER |= (GPIO_SCL | GPIO_SDA); // open drain output (multidriver enabled) - requires external pull up resistor
|
||
|
||
// set all three outputs to high
|
||
AT91C_BASE_PIOA->PIO_SODR |= (GPIO_SCL | GPIO_SDA | GPIO_RST);
|
||
|
||
// configure all three pins as output, controlled by PIOA
|
||
AT91C_BASE_PIOA->PIO_OER |= (GPIO_SCL | GPIO_SDA | GPIO_RST);
|
||
AT91C_BASE_PIOA->PIO_PER |= (GPIO_SCL | GPIO_SDA | GPIO_RST);
|
||
}
|
||
|
||
|
||
// 设置复位状态
|
||
// set the reset state
|
||
static void I2C_SetResetStatus(uint8_t LineRST, uint8_t LineSCK, uint8_t LineSDA) {
|
||
if (LineRST)
|
||
HIGH(GPIO_RST);
|
||
else
|
||
LOW(GPIO_RST);
|
||
|
||
if (LineSCK)
|
||
HIGH(GPIO_SCL);
|
||
else
|
||
LOW(GPIO_SCL);
|
||
|
||
if (LineSDA)
|
||
HIGH(GPIO_SDA);
|
||
else
|
||
LOW(GPIO_SDA);
|
||
}
|
||
|
||
// 复位进入主程序
|
||
// Reset the SIM_Adapter, then enter the main program
|
||
// Note: the SIM_Adapter will not enter the main program after power up. Please run this function before use SIM_Adapter.
|
||
static void I2C_Reset_EnterMainProgram(void) {
|
||
I2C_SetResetStatus(0, 0, 0); // 拉低复位线
|
||
SpinDelay(30);
|
||
I2C_SetResetStatus(1, 0, 0); // 解除复位
|
||
SpinDelay(30);
|
||
I2C_SetResetStatus(1, 1, 1); // 拉高数据线
|
||
SpinDelay(10);
|
||
}
|
||
|
||
// 等待时钟变高
|
||
// Wait for the clock to go High.
|
||
static bool WaitSCL_H_delay(uint32_t delay) {
|
||
while (delay--) {
|
||
if (SCL_read) {
|
||
return true;
|
||
}
|
||
I2C_DELAY_1CLK;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
// 15000 * 3.07us = 46050us. 46.05ms
|
||
static bool WaitSCL_H(void) {
|
||
return WaitSCL_H_delay(15000);
|
||
}
|
||
|
||
bool WaitSCL_L_delay(uint32_t delay) {
|
||
while (delay--) {
|
||
if (!SCL_read) {
|
||
return true;
|
||
}
|
||
I2C_DELAY_1CLK;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
bool WaitSCL_L(void) {
|
||
return WaitSCL_L_delay(15000);
|
||
}
|
||
|
||
static bool I2C_Start(void) {
|
||
|
||
I2C_DELAY_XCLK(4);
|
||
SDA_H; I2C_DELAY_1CLK;
|
||
SCL_H;
|
||
if (!WaitSCL_H()) return false;
|
||
|
||
I2C_DELAY_2CLK;
|
||
|
||
if (!SCL_read) return false;
|
||
if (!SDA_read) return false;
|
||
|
||
SDA_L; I2C_DELAY_2CLK;
|
||
return true;
|
||
}
|
||
|
||
// send i2c STOP
|
||
static void I2C_Stop(void) {
|
||
SCL_L; I2C_DELAY_2CLK;
|
||
SDA_L; I2C_DELAY_2CLK;
|
||
SCL_H; I2C_DELAY_2CLK;
|
||
if (!WaitSCL_H()) return;
|
||
SDA_H;
|
||
I2C_DELAY_XCLK(8);
|
||
}
|
||
|
||
static bool I2C_WaitAck(void) {
|
||
SCL_L; I2C_DELAY_1CLK;
|
||
SDA_H; I2C_DELAY_1CLK;
|
||
SCL_H;
|
||
if (!WaitSCL_H())
|
||
return false;
|
||
|
||
I2C_DELAY_2CLK;
|
||
I2C_DELAY_2CLK;
|
||
if (SDA_read) {
|
||
SCL_L;
|
||
return false;
|
||
}
|
||
SCL_L;
|
||
return true;
|
||
}
|
||
|
||
static void I2C_SendByte(uint8_t data) {
|
||
uint8_t bits = 8;
|
||
|
||
while (bits--) {
|
||
SCL_L; I2C_DELAY_1CLK;
|
||
|
||
if (data & 0x80)
|
||
SDA_H;
|
||
else
|
||
SDA_L;
|
||
|
||
data <<= 1;
|
||
|
||
I2C_DELAY_1CLK;
|
||
|
||
SCL_H;
|
||
if (!WaitSCL_H())
|
||
return;
|
||
|
||
I2C_DELAY_2CLK;
|
||
}
|
||
SCL_L;
|
||
}
|
||
|
||
bool I2C_is_available(void) {
|
||
I2C_init();
|
||
I2C_Reset_EnterMainProgram();
|
||
if (!I2C_Start()) // some other device is active on the bus
|
||
return true;
|
||
I2C_SendByte(I2C_DEVICE_ADDRESS_MAIN & 0xFE);
|
||
if (!I2C_WaitAck()) { // no response from smartcard reader
|
||
I2C_Stop();
|
||
return false;
|
||
}
|
||
I2C_Stop();
|
||
return true;
|
||
}
|
||
|
||
#ifdef WITH_SMARTCARD
|
||
// 复位进入引导模式
|
||
// Reset the SIM_Adapter, then enter the bootloader program
|
||
// Reserve：For firmware update.
|
||
static void I2C_Reset_EnterBootloader(void) {
|
||
I2C_SetResetStatus(0, 1, 1); // 拉低复位线
|
||
SpinDelay(100);
|
||
I2C_SetResetStatus(1, 1, 1); // 解除复位
|
||
SpinDelay(10);
|
||
}
|
||
|
||
// Wait max 300ms or until SCL goes LOW.
|
||
// Which ever comes first
|
||
static bool WaitSCL_L_300ms(void) {
|
||
volatile uint16_t delay = 310;
|
||
while ( delay-- ) {
|
||
// exit on SCL LOW
|
||
if (!SCL_read)
|
||
return true;
|
||
|
||
SpinDelay(1);
|
||
}
|
||
return (delay == 0);
|
||
}
|
||
|
||
static bool I2C_WaitForSim() {
|
||
// variable delay here.
|
||
if (!WaitSCL_L_300ms())
|
||
return false;
|
||
|
||
// 8051 speaks with smart card.
|
||
// 1000*50*3.07 = 153.5ms
|
||
// 1byte transfer == 1ms with max frame being 256bytes
|
||
if (!WaitSCL_H_delay(10 * 1000 * 50))
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
// Send i2c ACK
|
||
static void I2C_Ack(void) {
|
||
SCL_L; I2C_DELAY_2CLK;
|
||
SDA_L; I2C_DELAY_2CLK;
|
||
SCL_H; I2C_DELAY_2CLK;
|
||
if (!WaitSCL_H()) return;
|
||
SCL_L; I2C_DELAY_2CLK;
|
||
}
|
||
|
||
// Send i2c NACK
|
||
static void I2C_NoAck(void) {
|
||
SCL_L; I2C_DELAY_2CLK;
|
||
SDA_H; I2C_DELAY_2CLK;
|
||
SCL_H; I2C_DELAY_2CLK;
|
||
if (!WaitSCL_H()) return;
|
||
SCL_L; I2C_DELAY_2CLK;
|
||
}
|
||
|
||
static int16_t I2C_ReadByte(void) {
|
||
uint8_t bits = 8, b = 0;
|
||
|
||
SDA_H;
|
||
while (bits--) {
|
||
b <<= 1;
|
||
SCL_L;
|
||
if (!WaitSCL_L()) return -2;
|
||
|
||
I2C_DELAY_1CLK;
|
||
|
||
SCL_H;
|
||
if (!WaitSCL_H()) return -1;
|
||
|
||
I2C_DELAY_1CLK;
|
||
if (SDA_read)
|
||
b |= 0x01;
|
||
}
|
||
SCL_L;
|
||
return b;
|
||
}
|
||
|
||
// Sends one byte ( command to be written, SlaveDevice address)
|
||
static bool I2C_WriteCmd(uint8_t device_cmd, uint8_t device_address) {
|
||
bool bBreak = true;
|
||
do {
|
||
if (!I2C_Start())
|
||
return false;
|
||
//[C0]
|
||
I2C_SendByte(device_address & 0xFE);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
I2C_SendByte(device_cmd);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
bBreak = false;
|
||
} while (false);
|
||
|
||
I2C_Stop();
|
||
if (bBreak) {
|
||
if ( MF_DBGLEVEL > 3 ) DbpString(I2C_ERROR);
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
// 写入1字节数据 （待写入数据，待写入地址，器件类型）
|
||
// Sends 1 byte data (Data to be written, command to be written , SlaveDevice address ).
|
||
static bool I2C_WriteByte(uint8_t data, uint8_t device_cmd, uint8_t device_address) {
|
||
bool bBreak = true;
|
||
do {
|
||
if (!I2C_Start())
|
||
return false;
|
||
|
||
I2C_SendByte(device_address & 0xFE);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
I2C_SendByte(device_cmd);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
I2C_SendByte(data);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
bBreak = false;
|
||
} while (false);
|
||
|
||
I2C_Stop();
|
||
if (bBreak) {
|
||
if ( MF_DBGLEVEL > 3 ) DbpString(I2C_ERROR);
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
// 写入1串数据（待写入数组地址，待写入长度，待写入地址，器件类型）
|
||
//Sends a string of data (Array, length, command to be written , SlaveDevice address ).
|
||
// len = uint8 (max buffer to write 256bytes)
|
||
static bool I2C_BufferWrite(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t device_address) {
|
||
bool bBreak = true;
|
||
do {
|
||
if (!I2C_Start())
|
||
return false;
|
||
|
||
I2C_SendByte(device_address & 0xFE);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
I2C_SendByte(device_cmd);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
while (len) {
|
||
|
||
I2C_SendByte(*data);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
len--;
|
||
data++;
|
||
}
|
||
|
||
if (len == 0)
|
||
bBreak = false;
|
||
} while (false);
|
||
|
||
I2C_Stop();
|
||
if (bBreak) {
|
||
if ( MF_DBGLEVEL > 3 ) DbpString(I2C_ERROR);
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
// 读出1串数据（存放读出数据，待读出长度，带读出地址，器件类型）
|
||
// read 1 strings of data (Data array, Readout length, command to be written , SlaveDevice address ).
|
||
// len = uint8 (max buffer to read 256bytes)
|
||
static int16_t I2C_BufferRead(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t device_address) {
|
||
|
||
if ( !data || len == 0 )
|
||
return 0;
|
||
|
||
// extra wait 500us (514us measured)
|
||
// 200us (xx measured)
|
||
SpinDelayUs(600);
|
||
bool bBreak = true;
|
||
uint16_t readcount = 0;
|
||
|
||
do {
|
||
if (!I2C_Start())
|
||
return 0;
|
||
|
||
// 0xB0 / 0xC0 == i2c write
|
||
I2C_SendByte(device_address & 0xFE);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
I2C_SendByte(device_cmd);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
// 0xB1 / 0xC1 == i2c read
|
||
I2C_Start();
|
||
I2C_SendByte(device_address | 1);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
bBreak = false;
|
||
} while (false);
|
||
|
||
if (bBreak) {
|
||
I2C_Stop();
|
||
if ( MF_DBGLEVEL > 3 ) DbpString(I2C_ERROR);
|
||
return 0;
|
||
}
|
||
|
||
while (len) {
|
||
|
||
int16_t tmp = I2C_ReadByte();
|
||
if ( tmp < 0 )
|
||
return tmp;
|
||
|
||
*data = (uint8_t)tmp & 0xFF;
|
||
|
||
len--;
|
||
|
||
// 读取的第一个字节为后续长度
|
||
// The first byte in response is the message length
|
||
if (!readcount && (len > *data)) {
|
||
len = *data;
|
||
} else {
|
||
data++;
|
||
}
|
||
readcount++;
|
||
|
||
// acknowledgements. After last byte send NACK.
|
||
if (len == 0)
|
||
I2C_NoAck();
|
||
else
|
||
I2C_Ack();
|
||
}
|
||
|
||
I2C_Stop();
|
||
// return bytecount - first byte (which is length byte)
|
||
return --readcount;
|
||
}
|
||
|
||
static int16_t I2C_ReadFW(uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t device_address) {
|
||
//START, 0xB0, 0x00, 0x00, START, 0xB1, xx, yy, zz, ......, STOP
|
||
bool bBreak = true;
|
||
uint8_t readcount = 0;
|
||
|
||
// sending
|
||
do {
|
||
if (!I2C_Start())
|
||
return 0;
|
||
|
||
// 0xB0 / 0xC0 i2c write
|
||
I2C_SendByte(device_address & 0xFE);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
// msb
|
||
I2C_SendByte(msb);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
// lsb
|
||
I2C_SendByte(lsb);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
// 0xB1 / 0xC1 i2c read
|
||
I2C_Start();
|
||
I2C_SendByte(device_address | 1);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
bBreak = false;
|
||
} while (false);
|
||
|
||
if (bBreak) {
|
||
I2C_Stop();
|
||
if ( MF_DBGLEVEL > 3 ) DbpString(I2C_ERROR);
|
||
return 0;
|
||
}
|
||
|
||
// reading
|
||
while (len) {
|
||
|
||
int16_t tmp = I2C_ReadByte();
|
||
if ( tmp < 0 )
|
||
return tmp;
|
||
|
||
*data = (uint8_t)tmp & 0xFF;
|
||
|
||
data++;
|
||
readcount++;
|
||
len--;
|
||
|
||
// acknowledgements. After last byte send NACK.
|
||
if (len == 0)
|
||
I2C_NoAck();
|
||
else
|
||
I2C_Ack();
|
||
}
|
||
|
||
I2C_Stop();
|
||
return readcount;
|
||
}
|
||
|
||
static bool I2C_WriteFW(uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t device_address) {
|
||
//START, 0xB0, 0x00, 0x00, xx, yy, zz, ......, STOP
|
||
bool bBreak = true;
|
||
|
||
do {
|
||
if (!I2C_Start())
|
||
return false;
|
||
|
||
// 0xB0 == i2c write
|
||
I2C_SendByte(device_address & 0xFE);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
// msb
|
||
I2C_SendByte(msb);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
// lsb
|
||
I2C_SendByte(lsb);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
while (len) {
|
||
I2C_SendByte(*data);
|
||
if (!I2C_WaitAck())
|
||
break;
|
||
|
||
len--;
|
||
data++;
|
||
}
|
||
|
||
if (len == 0)
|
||
bBreak = false;
|
||
} while (false);
|
||
|
||
I2C_Stop();
|
||
if (bBreak) {
|
||
if ( MF_DBGLEVEL > 3 ) DbpString(I2C_ERROR);
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
void I2C_print_status(void) {
|
||
DbpString("Smart card module (ISO 7816)");
|
||
uint8_t resp[] = {0,0,0,0};
|
||
I2C_init();
|
||
I2C_Reset_EnterMainProgram();
|
||
uint8_t len = I2C_BufferRead(resp, sizeof(resp), I2C_DEVICE_CMD_GETVERSION, I2C_DEVICE_ADDRESS_MAIN);
|
||
if ( len > 0 )
|
||
Dbprintf(" version.................v%x.%02x", resp[0], resp[1]);
|
||
else
|
||
DbpString(" version.................FAILED");
|
||
}
|
||
|
||
// Will read response from smart card module, retries 3 times to get the data.
|
||
static bool sc_rx_bytes(uint8_t* dest, uint8_t *destlen) {
|
||
uint8_t i = 3;
|
||
int16_t len = 0;
|
||
while (i--) {
|
||
|
||
I2C_WaitForSim();
|
||
|
||
len = I2C_BufferRead(dest, *destlen, I2C_DEVICE_CMD_READ, I2C_DEVICE_ADDRESS_MAIN);
|
||
|
||
if ( len > 1 ){
|
||
break;
|
||
} else if ( len == 1 ) {
|
||
continue;
|
||
} else if ( len <= 0 ) {
|
||
return false;
|
||
}
|
||
}
|
||
// after three
|
||
if ( len <= 1 )
|
||
return false;
|
||
|
||
*destlen = (uint8_t)len & 0xFF;
|
||
return true;
|
||
}
|
||
|
||
static bool GetATR(smart_card_atr_t *card_ptr) {
|
||
|
||
if ( !card_ptr ) {
|
||
return false;
|
||
}
|
||
|
||
card_ptr->atr_len = 0;
|
||
memset(card_ptr->atr, 0, sizeof(card_ptr->atr));
|
||
|
||
// Send ATR
|
||
// start [C0 01] stop start C1 len aa bb cc stop]
|
||
I2C_WriteCmd(I2C_DEVICE_CMD_GENERATE_ATR, I2C_DEVICE_ADDRESS_MAIN);
|
||
uint8_t cmd[1] = {1};
|
||
LogTrace(cmd, 1, 0, 0, NULL, true);
|
||
|
||
// wait for sim card to answer.
|
||
// 1byte = 1ms, max frame 256bytes. Should wait 256ms at least just in case.
|
||
if (!I2C_WaitForSim())
|
||
return false;
|
||
|
||
// read bytes from module
|
||
uint8_t len = sizeof(card_ptr->atr);
|
||
if ( !sc_rx_bytes(card_ptr->atr, &len) )
|
||
return false;
|
||
|
||
uint8_t pos_td = 1;
|
||
if ( (card_ptr->atr[1] & 0x10) == 0x10) pos_td++;
|
||
if ( (card_ptr->atr[1] & 0x20) == 0x20) pos_td++;
|
||
if ( (card_ptr->atr[1] & 0x40) == 0x40) pos_td++;
|
||
|
||
// T0 indicate presence T=0 vs T=1. T=1 has checksum TCK
|
||
if ( (card_ptr->atr[1] & 0x80) == 0x80) {
|
||
|
||
pos_td++;
|
||
|
||
// 1 == T1 , presence of checksum TCK
|
||
if ( (card_ptr->atr[pos_td] & 0x01) == 0x01) {
|
||
uint8_t chksum = 0;
|
||
// xor property. will be zero when xored with chksum.
|
||
for (uint8_t i = 1; i < len; ++i)
|
||
chksum ^= card_ptr->atr[i];
|
||
if ( chksum ) {
|
||
if ( MF_DBGLEVEL > 2) DbpString("Wrong ATR checksum");
|
||
}
|
||
}
|
||
}
|
||
|
||
// for some reason we only get first byte of atr, if that is so, send dummy command to retrieve the rest of the atr
|
||
if (len == 1) {
|
||
|
||
uint8_t data[1] = {0};
|
||
I2C_BufferWrite(data, len, I2C_DEVICE_CMD_SEND, I2C_DEVICE_ADDRESS_MAIN);
|
||
|
||
if ( !I2C_WaitForSim() )
|
||
return false;
|
||
|
||
uint8_t len2 = I2C_BufferRead(card_ptr->atr + len, sizeof(card_ptr->atr) - len, I2C_DEVICE_CMD_READ, I2C_DEVICE_ADDRESS_MAIN);
|
||
len = len + len2;
|
||
}
|
||
|
||
card_ptr->atr_len = len;
|
||
LogTrace(card_ptr->atr, card_ptr->atr_len, 0, 0, NULL, false);
|
||
|
||
return true;
|
||
}
|
||
|
||
void SmartCardAtr(void) {
|
||
smart_card_atr_t card;
|
||
LED_D_ON();
|
||
clear_trace();
|
||
set_tracing(true);
|
||
I2C_init();
|
||
I2C_Reset_EnterMainProgram();
|
||
bool isOK = GetATR( &card );
|
||
cmd_send(CMD_ACK, isOK, sizeof(smart_card_atr_t), 0, &card, sizeof(smart_card_atr_t));
|
||
set_tracing(false);
|
||
LEDsoff();
|
||
}
|
||
|
||
void SmartCardRaw( uint64_t arg0, uint64_t arg1, uint8_t *data ) {
|
||
|
||
LED_D_ON();
|
||
|
||
uint8_t len = 0;
|
||
uint8_t *resp = BigBuf_malloc(ISO7618_MAX_FRAME);
|
||
smartcard_command_t flags = arg0;
|
||
|
||
if ((flags & SC_CONNECT))
|
||
clear_trace();
|
||
|
||
set_tracing(true);
|
||
|
||
if ((flags & SC_CONNECT)) {
|
||
|
||
I2C_init();
|
||
I2C_Reset_EnterMainProgram();
|
||
|
||
if ( !(flags & SC_NO_SELECT) ) {
|
||
smart_card_atr_t card;
|
||
bool gotATR = GetATR( &card );
|
||
//cmd_send(CMD_ACK, gotATR, sizeof(smart_card_atr_t), 0, &card, sizeof(smart_card_atr_t));
|
||
if ( !gotATR )
|
||
goto OUT;
|
||
}
|
||
}
|
||
|
||
if ((flags & SC_RAW)) {
|
||
|
||
LogTrace(data, arg1, 0, 0, NULL, true);
|
||
|
||
// Send raw bytes
|
||
// asBytes = A0 A4 00 00 02
|
||
// arg1 = len 5
|
||
I2C_BufferWrite(data, arg1, I2C_DEVICE_CMD_SEND, I2C_DEVICE_ADDRESS_MAIN);
|
||
|
||
if ( !I2C_WaitForSim() )
|
||
goto OUT;
|
||
|
||
// read bytes from module
|
||
len = ISO7618_MAX_FRAME;
|
||
sc_rx_bytes(resp, &len);
|
||
LogTrace(resp, len, 0, 0, NULL, false);
|
||
}
|
||
OUT:
|
||
cmd_send(CMD_ACK, len, 0, 0, resp, len);
|
||
set_tracing(false);
|
||
LEDsoff();
|
||
}
|
||
|
||
void SmartCardUpgrade(uint64_t arg0) {
|
||
|
||
LED_C_ON();
|
||
|
||
#define I2C_BLOCK_SIZE 128
|
||
// write. Sector0, with 11,22,33,44
|
||
// erase is 128bytes, and takes 50ms to execute
|
||
|
||
I2C_init();
|
||
I2C_Reset_EnterBootloader();
|
||
|
||
bool isOK = true;
|
||
int16_t res = 0;
|
||
uint16_t length = arg0;
|
||
uint16_t pos = 0;
|
||
uint8_t *fwdata = BigBuf_get_addr();
|
||
uint8_t *verfiydata = BigBuf_malloc(I2C_BLOCK_SIZE);
|
||
|
||
while (length) {
|
||
|
||
uint8_t msb = (pos >> 8) & 0xFF;
|
||
uint8_t lsb = pos & 0xFF;
|
||
|
||
Dbprintf("FW %02X%02X", msb, lsb);
|
||
|
||
size_t size = MIN(I2C_BLOCK_SIZE, length);
|
||
|
||
// write
|
||
res = I2C_WriteFW(fwdata+pos, size, msb, lsb, I2C_DEVICE_ADDRESS_BOOT);
|
||
if ( !res ) {
|
||
DbpString("Writing failed");
|
||
isOK = false;
|
||
break;
|
||
}
|
||
|
||
// writing takes time.
|
||
SpinDelay(50);
|
||
|
||
// read
|
||
res = I2C_ReadFW(verfiydata, size, msb, lsb, I2C_DEVICE_ADDRESS_BOOT);
|
||
if ( res <= 0) {
|
||
DbpString("Reading back failed");
|
||
isOK = false;
|
||
break;
|
||
}
|
||
|
||
// cmp
|
||
if ( 0 != memcmp(fwdata+pos, verfiydata, size)) {
|
||
DbpString("not equal data");
|
||
isOK = false;
|
||
break;
|
||
}
|
||
|
||
length -= size;
|
||
pos += size;
|
||
}
|
||
cmd_send(CMD_ACK, isOK, pos, 0, 0, 0);
|
||
LED_C_OFF();
|
||
}
|
||
|
||
// unfinished (or not needed?)
|
||
//void SmartCardSetBaud(uint64_t arg0) {
|
||
//}
|
||
|
||
void SmartCardSetClock(uint64_t arg0) {
|
||
LED_D_ON();
|
||
set_tracing(true);
|
||
I2C_init();
|
||
I2C_Reset_EnterMainProgram();
|
||
|
||
// Send SIM CLC
|
||
// start [C0 05 xx] stop
|
||
I2C_WriteByte(arg0, I2C_DEVICE_CMD_SIM_CLC, I2C_DEVICE_ADDRESS_MAIN);
|
||
|
||
cmd_send(CMD_ACK, 1, 0, 0, 0, 0);
|
||
set_tracing(false);
|
||
LEDsoff();
|
||
}
|
||
|
||
#endif |