X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/d62f7bad201ecb4f867d9aa262d257e82b744a80..5b12974a7f01a94c40552402b66b01bf8ec0e214:/armsrc/i2c.c?ds=sidebyside diff --git a/armsrc/i2c.c b/armsrc/i2c.c index 721b4b2e..51513114 100644 --- a/armsrc/i2c.c +++ b/armsrc/i2c.c @@ -8,11 +8,22 @@ //----------------------------------------------------------------------------- // The main i2c code, for communications with smart card module //----------------------------------------------------------------------------- + #include "i2c.h" -#include "mifareutil.h" //for mf_dbglevel + +#include +#include #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 + -// ¶¨ÒåÁ¬½ÓÒý½Å #define GPIO_RST AT91C_PIO_PA1 #define GPIO_SCL AT91C_PIO_PA5 #define GPIO_SDA AT91C_PIO_PA7 @@ -27,49 +38,75 @@ #define I2C_ERROR "I2C_WaitAck Error" -volatile unsigned long c; +static volatile unsigned long c; // Ö±½ÓʹÓÃÑ­»·À´ÑÓʱ£¬Ò»¸öÑ­»· 6 ÌõÖ¸Á48M£¬ Delay=1 ´ó¸ÅΪ 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--) {}; } -// ͨѶÑÓ³Ùº¯Êý communication delay function +// communication delay functions #define I2C_DELAY_1CLK I2CSpinDelayClk(1) #define I2C_DELAY_2CLK I2CSpinDelayClk(2) #define I2C_DELAY_XCLK(x) I2CSpinDelayClk((x)) - #define ISO7618_MAX_FRAME 255 -void I2C_init(void) { - // ÅäÖø´Î»Òý½Å£¬¹Ø±ÕÉÏÀ­£¬ÍÆÍìÊä³ö£¬Ä¬ÈÏ¸ß - // 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; +// try i2c bus recovery at 100kHz = 5uS high, 5uS low +static void I2C_recovery(void) { + + DbpString("Performing i2c bus recovery"); + + // reset I2C + SDA_H; SCL_H; + + //9nth cycle acts as NACK + for (int i = 0; i < 10; i++) { + SCL_H; WaitUS(5); + SCL_L; WaitUS(5); + } + + //a STOP signal (SDA from low to high while CLK is high) + SDA_L; WaitUS(5); + SCL_H; WaitUS(2); + SDA_H; WaitUS(2); + + bool isok = (SCL_read && SDA_read); + if (!SDA_read) + DbpString("I2C bus recovery error: SDA still LOW"); + if (!SCL_read) + DbpString("I2C bus recovery error: SCL still LOW"); + if (isok) + DbpString("I2C bus recovery complete"); +} + +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) - // ÅäÖà I2C Òý½Å£¬¿ªÆôÉÏÀ­£¬¿ªÂ©Êä³ö - // Configure I2C pin, open up, open leakage - AT91C_BASE_PIOA->PIO_PPUER |= (GPIO_SCL | GPIO_SDA); // ´ò¿ªÉÏÀ­ 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 - // ĬÈÏÈý¸ùÏßÈ«²¿À­¸ß - // default three lines all pull up + // set all three outputs to high AT91C_BASE_PIOA->PIO_SODR |= (GPIO_SCL | GPIO_SDA | GPIO_RST); - // ÔÊÐíÊä³ö - // 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); -} + bool isok = (SCL_read && SDA_read); + if ( !isok ) + I2C_recovery(); + +} -// ÉèÖø´Î»×´Ì¬ // 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 @@ -86,31 +123,21 @@ void I2C_SetResetStatus(uint8_t LineRST, uint8_t LineSCK, uint8_t LineSDA) { LOW(GPIO_SDA); } -// ¸´Î»½øÈëÖ÷³ÌÐò // 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) { - I2C_SetResetStatus(0, 0, 0); // À­µÍ¸´Î»Ïß - SpinDelay(30); - I2C_SetResetStatus(1, 0, 0); // ½â³ý¸´Î» - SpinDelay(30); - I2C_SetResetStatus(1, 1, 1); // À­¸ßÊý¾ÝÏß - SpinDelay(10); -} - -// ¸´Î»½øÈëÒýµ¼Ä£Ê½ -// Reset the SIM_Adapter, then enter the bootloader program -// Reserve£ºFor firmware update. -void I2C_Reset_EnterBootloader(void) { - I2C_SetResetStatus(0, 1, 1); // À­µÍ¸´Î»Ïß - SpinDelay(100); - I2C_SetResetStatus(1, 1, 1); // ½â³ý¸´Î» - SpinDelay(10); +static void I2C_Reset_EnterMainProgram(void) { + StartTicks(); + I2C_init(); + I2C_SetResetStatus(0, 0, 0); + WaitMS(30); + I2C_SetResetStatus(1, 0, 0); + WaitMS(30); + I2C_SetResetStatus(1, 1, 1); + WaitMS(10); } -// µÈ´ýʱÖÓ±ä¸ß // 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 +147,26 @@ 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 +182,8 @@ 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 +192,14 @@ 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; @@ -211,11 +209,12 @@ 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--) { - SCL_L; I2C_DELAY_1CLK; + while (bits--) { + SCL_L; + I2C_DELAY_1CLK; if (data & 0x80) SDA_H; @@ -223,6 +222,7 @@ void I2C_SendByte(uint8_t data) { SDA_L; data <<= 1; + I2C_DELAY_1CLK; SCL_H; @@ -234,18 +234,91 @@ 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_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 +// Reset the SIM_Adapter, then enter the bootloader program +// Reserve£ºFor firmware update. +static void I2C_Reset_EnterBootloader(void) { + I2C_SetResetStatus(0, 1, 1); + WaitMS(100); + I2C_SetResetStatus(1, 1, 1); + WaitMS(10); +} + +// Wait max 1800ms or until SCL goes LOW. +// It timeout reading response from card +// Which ever comes first +bool WaitSCL_L_timeout(void){ + volatile uint16_t delay = 1800; + while ( delay-- ) { + // exit on SCL LOW + if (!SCL_read) + return true; + + WaitMS(1); + } + return (delay == 0); +} + +static bool I2C_WaitForSim() { + // wait for data from card + if (!WaitSCL_L_timeout()) + 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_L; + if (!WaitSCL_L()) return -2; + + I2C_DELAY_1CLK; + SCL_H; - if (!WaitSCL_H()) - return 0; + if (!WaitSCL_H()) return -1; - I2C_DELAY_2CLK; + I2C_DELAY_1CLK; if (SDA_read) b |= 0x01; } @@ -254,12 +327,12 @@ 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()) return false; - //[C0] + I2C_SendByte(device_address & 0xFE); if (!I2C_WaitAck()) break; @@ -279,9 +352,8 @@ bool I2C_WriteCmd(uint8_t device_cmd, uint8_t device_address) { return true; } -// дÈë1×Ö½ÚÊý¾Ý £¨´ýдÈëÊý¾Ý£¬´ýдÈëµØÖ·£¬Æ÷¼þÀàÐÍ£© // 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()) @@ -310,10 +382,9 @@ bool I2C_WriteByte(uint8_t data, uint8_t device_cmd, uint8_t device_address) { return true; } -// дÈë1´®Êý¾Ý£¨´ýдÈëÊý×éµØÖ·£¬´ýдÈ볤¶È£¬´ýдÈëµØÖ·£¬Æ÷¼þÀàÐÍ£© //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()) @@ -349,19 +420,18 @@ bool I2C_BufferWrite(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t dev return true; } -// ¶Á³ö1´®Êý¾Ý£¨´æ·Å¶Á³öÊý¾Ý£¬´ý¶Á³ö³¤¶È£¬´ø¶Á³öµØÖ·£¬Æ÷¼þÀàÐÍ£© // 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); + WaitUS(600); bool bBreak = true; - uint8_t readcount = 0; + uint16_t readcount = 0; do { if (!I2C_Start()) @@ -391,11 +461,14 @@ 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--; // ¶ÁÈ¡µÄµÚÒ»¸ö×Ö½ÚΪºóÐø³¤¶È @@ -415,11 +488,12 @@ 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; @@ -434,12 +508,10 @@ uint8_t I2C_ReadFW(uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t if (!I2C_WaitAck()) break; - // msb I2C_SendByte(msb); if (!I2C_WaitAck()) break; - // lsb I2C_SendByte(lsb); if (!I2C_WaitAck()) break; @@ -461,8 +533,13 @@ 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 +555,7 @@ 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; @@ -491,12 +568,10 @@ bool I2C_WriteFW(uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t d if (!I2C_WaitAck()) break; - // msb I2C_SendByte(msb); if (!I2C_WaitAck()) break; - // lsb I2C_SendByte(lsb); if (!I2C_WaitAck()) break; @@ -525,7 +600,6 @@ bool I2C_WriteFW(uint8_t *data, uint8_t len, uint8_t msb, uint8_t lsb, uint8_t d 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 ) @@ -534,47 +608,57 @@ void I2C_print_status(void) { DbpString(" version.................FAILED"); } -bool GetATR(smart_card_atr_t *card_ptr) { +// 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) { - // clear - if ( card_ptr ) { - card_ptr->atr_len = 0; - memset(card_ptr->atr, 0, sizeof(card_ptr->atr)); + 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. + // 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; - // 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; - } - - 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; } @@ -584,7 +668,6 @@ void SmartCardAtr(void) { 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)); @@ -607,10 +690,9 @@ void SmartCardRaw( uint64_t arg0, uint64_t arg1, uint8_t *data ) { if ((flags & SC_CONNECT)) { - I2C_init(); I2C_Reset_EnterMainProgram(); - if ( !(flags & SC_NO_SELECT) ) { + if ((flags & SC_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)); @@ -619,23 +701,28 @@ void SmartCardRaw( uint64_t arg0, uint64_t arg1, uint8_t *data ) { } } - if ((flags & SC_RAW)) { + if ((flags & SC_RAW) || (flags & SC_RAW_T0)) { 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; - - len = I2C_BufferRead(resp, ISO7618_MAX_FRAME, I2C_DEVICE_CMD_READ, I2C_DEVICE_ADDRESS_MAIN); - LogTrace(resp, len, 0, 0, NULL, false); + bool res = I2C_BufferWrite(data, arg1, ((flags & SC_RAW_T0) ? I2C_DEVICE_CMD_SEND_T0 : I2C_DEVICE_CMD_SEND), I2C_DEVICE_ADDRESS_MAIN); + if ( !res && MF_DBGLEVEL > 3 ) DbpString(I2C_ERROR); + + // read bytes from module + len = ISO7618_MAX_FRAME; + res = sc_rx_bytes(resp, &len); + if ( res ) { + LogTrace(resp, len, 0, 0, NULL, false); + } else { + len = 0; + } } OUT: cmd_send(CMD_ACK, len, 0, 0, resp, len); + BigBuf_free(); set_tracing(false); LEDsoff(); } @@ -648,11 +735,10 @@ void SmartCardUpgrade(uint64_t arg0) { // write. Sector0, with 11,22,33,44 // erase is 128bytes, and takes 50ms to execute - I2C_init(); 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(); @@ -676,11 +762,11 @@ void SmartCardUpgrade(uint64_t arg0) { } // writing takes time. - SpinDelay(50); + WaitMS(50); // 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; @@ -698,6 +784,7 @@ void SmartCardUpgrade(uint64_t arg0) { } cmd_send(CMD_ACK, isOK, pos, 0, 0, 0); LED_C_OFF(); + BigBuf_free(); } // unfinished (or not needed?) @@ -707,7 +794,6 @@ void SmartCardUpgrade(uint64_t arg0) { void SmartCardSetClock(uint64_t arg0) { LED_D_ON(); set_tracing(true); - I2C_init(); I2C_Reset_EnterMainProgram(); // Send SIM CLC @@ -718,3 +804,5 @@ void SmartCardSetClock(uint64_t arg0) { set_tracing(false); LEDsoff(); } + +#endif \ No newline at end of file