RDV40 compatibility fixes (#678)

* 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
This commit is contained in:
pwpiwi 2018-09-21 08:27:35 +02:00 committed by GitHub
commit 050aa18b13
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8 changed files with 352 additions and 244 deletions

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@ -8,9 +8,21 @@
//-----------------------------------------------------------------------------
// The main i2c code, for communications with smart card module
//-----------------------------------------------------------------------------
#include "i2c.h"
#include "mifareutil.h" //for mf_dbglevel
#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
@ -27,13 +39,13 @@
#define I2C_ERROR "I2C_WaitAck Error"
volatile unsigned long c;
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
void __attribute__((optimize("O0"))) I2CSpinDelayClk(uint16_t delay) {
static void __attribute__((optimize("O0"))) I2CSpinDelayClk(uint16_t delay) {
for (c = delay * 2; c; c--) {};
}
@ -45,23 +57,19 @@ void __attribute__((optimize("O0"))) I2CSpinDelayClk(uint16_t delay) {
#define ISO7618_MAX_FRAME 255
void I2C_init(void) {
// 配置复位引脚,关闭上拉,推挽输出,默认高
// Configure reset pin, close up pull up, push-pull output, default high
AT91C_BASE_PIOA->PIO_PPUDR = GPIO_RST;
AT91C_BASE_PIOA->PIO_MDDR = GPIO_RST;
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)
// 配置 I2C 引脚,开启上拉,开漏输出
// Configure I2C pin, open up, open leakage
AT91C_BASE_PIOA->PIO_PPUER |= (GPIO_SCL | GPIO_SDA); // 打开上拉 Open up the pull up
AT91C_BASE_PIOA->PIO_MDER |= (GPIO_SCL | GPIO_SDA);
// 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
// 默认三根线全部拉高
// default three lines all pull up
// set all three outputs to high
AT91C_BASE_PIOA->PIO_SODR |= (GPIO_SCL | GPIO_SDA | GPIO_RST);
// 允许输出
// allow output
// 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);
}
@ -69,7 +77,7 @@ void I2C_init(void) {
// 设置复位状态
// set the reset state
void I2C_SetResetStatus(uint8_t LineRST, uint8_t LineSCK, uint8_t LineSDA) {
static void I2C_SetResetStatus(uint8_t LineRST, uint8_t LineSCK, uint8_t LineSDA) {
if (LineRST)
HIGH(GPIO_RST);
else
@ -89,7 +97,7 @@ void I2C_SetResetStatus(uint8_t LineRST, uint8_t LineSCK, uint8_t LineSDA) {
// 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.
void I2C_Reset_EnterMainProgram(void) {
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
@ -98,19 +106,9 @@ void I2C_Reset_EnterMainProgram(void) {
SpinDelay(10);
}
// 复位进入引导模式
// Reset the SIM_Adapter, then enter the bootloader program
// ReserveFor firmware update.
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);
}
// 等待时钟变高
// Wait for the clock to go High.
bool WaitSCL_H_delay(uint32_t delay) {
static bool WaitSCL_H_delay(uint32_t delay) {
while (delay--) {
if (SCL_read) {
return true;
@ -120,26 +118,26 @@ bool WaitSCL_H_delay(uint32_t delay) {
return false;
}
// 5000 * 3.07us = 15350us. 15.35ms
bool WaitSCL_H(void) {
return WaitSCL_H_delay(5000);
// 15000 * 3.07us = 46050us. 46.05ms
static bool WaitSCL_H(void) {
return WaitSCL_H_delay(15000);
}
// Wait max 300ms or until SCL goes LOW.
// Which ever comes first
bool WaitSCL_L_300ms(void) {
volatile uint16_t delay = 300;
while ( delay-- ) {
// exit on SCL LOW
if (!SCL_read)
bool WaitSCL_L_delay(uint32_t delay) {
while (delay--) {
if (!SCL_read) {
return true;
SpinDelay(1);
}
I2C_DELAY_1CLK;
}
return (delay == 0);
return false;
}
bool I2C_Start(void) {
bool WaitSCL_L(void) {
return WaitSCL_L_delay(15000);
}
static bool I2C_Start(void) {
I2C_DELAY_XCLK(4);
SDA_H; I2C_DELAY_1CLK;
@ -155,22 +153,8 @@ bool I2C_Start(void) {
return true;
}
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
if (!WaitSCL_H_delay(2000*50) )
return false;
return true;
}
// send i2c STOP
void I2C_Stop(void) {
static void I2C_Stop(void) {
SCL_L; I2C_DELAY_2CLK;
SDA_L; I2C_DELAY_2CLK;
SCL_H; I2C_DELAY_2CLK;
@ -179,29 +163,14 @@ void I2C_Stop(void) {
I2C_DELAY_XCLK(8);
}
// Send i2c ACK
void I2C_Ack(void) {
SCL_L; I2C_DELAY_2CLK;
SDA_L; I2C_DELAY_2CLK;
SCL_H; I2C_DELAY_2CLK;
SCL_L; I2C_DELAY_2CLK;
}
// Send i2c NACK
void I2C_NoAck(void) {
SCL_L; I2C_DELAY_2CLK;
SDA_H; I2C_DELAY_2CLK;
SCL_H; I2C_DELAY_2CLK;
SCL_L; I2C_DELAY_2CLK;
}
bool I2C_WaitAck(void) {
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;
@ -211,10 +180,10 @@ bool I2C_WaitAck(void) {
return true;
}
void I2C_SendByte(uint8_t data) {
uint8_t i = 8;
static void I2C_SendByte(uint8_t data) {
uint8_t bits = 8;
while (i--) {
while (bits--) {
SCL_L; I2C_DELAY_1CLK;
if (data & 0x80)
@ -223,6 +192,7 @@ void I2C_SendByte(uint8_t data) {
SDA_L;
data <<= 1;
I2C_DELAY_1CLK;
SCL_H;
@ -234,18 +204,92 @@ void I2C_SendByte(uint8_t data) {
SCL_L;
}
uint8_t I2C_ReadByte(void) {
uint8_t i = 8, b = 0;
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
// ReserveFor 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 (i--) {
while (bits--) {
b <<= 1;
SCL_L; I2C_DELAY_2CLK;
SCL_H;
if (!WaitSCL_H())
return 0;
SCL_L;
if (!WaitSCL_L()) return -2;
I2C_DELAY_1CLK;
I2C_DELAY_2CLK;
SCL_H;
if (!WaitSCL_H()) return -1;
I2C_DELAY_1CLK;
if (SDA_read)
b |= 0x01;
}
@ -254,7 +298,7 @@ uint8_t I2C_ReadByte(void) {
}
// Sends one byte ( command to be written, SlaveDevice address)
bool I2C_WriteCmd(uint8_t device_cmd, uint8_t device_address) {
static bool I2C_WriteCmd(uint8_t device_cmd, uint8_t device_address) {
bool bBreak = true;
do {
if (!I2C_Start())
@ -281,7 +325,7 @@ bool I2C_WriteCmd(uint8_t device_cmd, uint8_t device_address) {
// 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 ).
bool I2C_WriteByte(uint8_t data, uint8_t device_cmd, uint8_t device_address) {
static bool I2C_WriteByte(uint8_t data, uint8_t device_cmd, uint8_t device_address) {
bool bBreak = true;
do {
if (!I2C_Start())
@ -313,7 +357,7 @@ bool I2C_WriteByte(uint8_t data, uint8_t device_cmd, uint8_t device_address) {
// 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)
bool I2C_BufferWrite(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t device_address) {
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())
@ -352,16 +396,16 @@ bool I2C_BufferWrite(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t dev
// 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)
uint8_t I2C_BufferRead(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t device_address) {
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(200);
SpinDelayUs(600);
bool bBreak = true;
uint8_t readcount = 0;
uint16_t readcount = 0;
do {
if (!I2C_Start())
@ -391,11 +435,14 @@ uint8_t I2C_BufferRead(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t d
return 0;
}
// reading
while (len) {
*data = I2C_ReadByte();
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
@ -416,10 +463,10 @@ uint8_t I2C_BufferRead(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t d
I2C_Stop();
// return bytecount - first byte (which is length byte)
return (readcount) ? --readcount : 0;
return --readcount;
}
uint8_t I2C_ReadFW(uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t device_address) {
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;
@ -461,8 +508,13 @@ uint8_t I2C_ReadFW(uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t
// reading
while (len) {
*data = I2C_ReadByte();
int16_t tmp = I2C_ReadByte();
if ( tmp < 0 )
return tmp;
*data = (uint8_t)tmp & 0xFF;
data++;
readcount++;
len--;
@ -478,7 +530,7 @@ uint8_t I2C_ReadFW(uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t
return readcount;
}
bool I2C_WriteFW(uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t device_address) {
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;
@ -534,13 +586,40 @@ void I2C_print_status(void) {
DbpString(" version.................FAILED");
}
bool GetATR(smart_card_atr_t *card_ptr) {
// clear
if ( card_ptr ) {
card_ptr->atr_len = 0;
memset(card_ptr->atr, 0, sizeof(card_ptr->atr));
// 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]
@ -548,16 +627,38 @@ bool GetATR(smart_card_atr_t *card_ptr) {
uint8_t cmd[1] = {1};
LogTrace(cmd, 1, 0, 0, NULL, true);
//wait for sim card to answer.
// 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 answer
uint8_t len = I2C_BufferRead(card_ptr->atr, sizeof(card_ptr->atr), I2C_DEVICE_CMD_READ, I2C_DEVICE_ADDRESS_MAIN);
if ( len == 0 )
// 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) {
@ -571,10 +672,8 @@ bool GetATR(smart_card_atr_t *card_ptr) {
len = len + len2;
}
if ( card_ptr ) {
card_ptr->atr_len = len;
LogTrace(card_ptr->atr, card_ptr->atr_len, 0, 0, NULL, false);
}
card_ptr->atr_len = len;
LogTrace(card_ptr->atr, card_ptr->atr_len, 0, 0, NULL, false);
return true;
}
@ -631,7 +730,9 @@ void SmartCardRaw( uint64_t arg0, uint64_t arg1, uint8_t *data ) {
if ( !I2C_WaitForSim() )
goto OUT;
len = I2C_BufferRead(resp, ISO7618_MAX_FRAME, I2C_DEVICE_CMD_READ, I2C_DEVICE_ADDRESS_MAIN);
// read bytes from module
len = ISO7618_MAX_FRAME;
sc_rx_bytes(resp, &len);
LogTrace(resp, len, 0, 0, NULL, false);
}
OUT:
@ -652,7 +753,7 @@ void SmartCardUpgrade(uint64_t arg0) {
I2C_Reset_EnterBootloader();
bool isOK = true;
uint8_t res = 0;
int16_t res = 0;
uint16_t length = arg0;
uint16_t pos = 0;
uint8_t *fwdata = BigBuf_get_addr();
@ -680,7 +781,7 @@ void SmartCardUpgrade(uint64_t arg0) {
// read
res = I2C_ReadFW(verfiydata, size, msb, lsb, I2C_DEVICE_ADDRESS_BOOT);
if ( res == 0) {
if ( res <= 0) {
DbpString("Reading back failed");
isOK = false;
break;
@ -718,3 +819,5 @@ void SmartCardSetClock(uint64_t arg0) {
set_tracing(false);
LEDsoff();
}
#endif