X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/50722269b6e7b1ce8601ee2fc8d30100e5639d34..83288efc7d1b673d30edee6ce732d1de8c505da3:/armsrc/appmain.c diff --git a/armsrc/appmain.c b/armsrc/appmain.c index 33df93c4..78ab8691 100644 --- a/armsrc/appmain.c +++ b/armsrc/appmain.c @@ -13,7 +13,6 @@ #include "LCD.h" #endif - //============================================================================= // A buffer where we can queue things up to be sent through the FPGA, for // any purpose (fake tag, as reader, whatever). We go MSB first, since that @@ -23,6 +22,7 @@ BYTE ToSend[256]; int ToSendMax; static int ToSendBit; +struct common_area common_area __attribute__((section(".commonarea"))); void BufferClear(void) { @@ -236,6 +236,34 @@ void ReadMem(int addr) DbpIntegers(0, data[i], data[i+1]); } +/* osimage version information is linked in */ +extern struct version_information version_information; +/* bootrom version information is pointed to from _bootphase1_version_pointer */ +extern char _bootphase1_version_pointer, _flash_start, _flash_end; +void SendVersion(void) +{ + char temp[48]; /* Limited data payload in USB packets */ + DbpString("Prox/RFID mark3 RFID instrument"); + + /* Try to find the bootrom version information. Expect to find a pointer at + * symbol _bootphase1_version_pointer, perform slight sanity checks on the + * pointer, then use it. + */ + void *bootrom_version = *(void**)&_bootphase1_version_pointer; + if( bootrom_version < (void*)&_flash_start || bootrom_version >= (void*)&_flash_end ) { + DbpString("bootrom version information appears invalid"); + } else { + FormatVersionInformation(temp, sizeof(temp), "bootrom: ", bootrom_version); + DbpString(temp); + } + + FormatVersionInformation(temp, sizeof(temp), "os: ", &version_information); + DbpString(temp); + + FpgaGatherVersion(temp, sizeof(temp)); + DbpString(temp); +} + // samy's sniff and repeat routine void SamyRun() { @@ -372,56 +400,47 @@ your antenna. You will probably not get some good results if there is a LF and a at the same place! :-) LIGHT SCHEME USED: - -Light scheme | Descriptiong ----------------------------------------------------- - ---- | No field detected - X--- | 14% of maximum current detected - -X-- | 29% of maximum current detected - --X- | 43% of maximum current detected - ---X | 57% of maximum current detected - --XX | 71% of maximum current detected - -XXX | 86% of maximum current detected - XXXX | 100% of maximum current detected - -TODO: -Add the LF part for MODE 2 - */ +static const char LIGHT_SCHEME[] = { + 0x0, /* ---- | No field detected */ + 0x1, /* X--- | 14% of maximum current detected */ + 0x2, /* -X-- | 29% of maximum current detected */ + 0x4, /* --X- | 43% of maximum current detected */ + 0x8, /* ---X | 57% of maximum current detected */ + 0xC, /* --XX | 71% of maximum current detected */ + 0xE, /* -XXX | 86% of maximum current detected */ + 0xF, /* XXXX | 100% of maximum current detected */ +}; +static const int LIGHT_LEN = sizeof(LIGHT_SCHEME)/sizeof(LIGHT_SCHEME[0]); + void ListenReaderField(int limit) { - int lf_av, lf_av_new, lf_baseline= 0, lf_count= 0; + int lf_av, lf_av_new, lf_baseline= 0, lf_count= 0, lf_max; int hf_av, hf_av_new, hf_baseline= 0, hf_count= 0, hf_max; - int mode=1; + int mode=1, display_val, display_max, i; #define LF_ONLY 1 #define HF_ONLY 2 - LED_A_OFF(); - LED_B_OFF(); - LED_C_OFF(); - LED_D_OFF(); + LEDsoff(); - lf_av= ReadAdc(ADC_CHAN_LF); + lf_av=lf_max=ReadAdc(ADC_CHAN_LF); - if(limit != HF_ONLY) - { + if(limit != HF_ONLY) { DbpString("LF 125/134 Baseline:"); DbpIntegers(lf_av,0,0); lf_baseline= lf_av; - } + } hf_av=hf_max=ReadAdc(ADC_CHAN_HF); - if (limit != LF_ONLY) - { + if (limit != LF_ONLY) { DbpString("HF 13.56 Baseline:"); DbpIntegers(hf_av,0,0); hf_baseline= hf_av; - } + } - for(;;) - { + for(;;) { if (BUTTON_PRESS()) { SpinDelay(500); switch (mode) { @@ -432,85 +451,78 @@ void ListenReaderField(int limit) case 2: default: DbpString("Stopped"); - LED_A_OFF(); - LED_B_OFF(); - LED_C_OFF(); - LED_D_OFF(); + LEDsoff(); return; break; } } WDT_HIT(); - if (limit != HF_ONLY) - { - if (abs(lf_av - lf_baseline) > 10) - LED_D_ON(); - else - LED_D_OFF(); + if (limit != HF_ONLY) { + if(mode==1) { + if (abs(lf_av - lf_baseline) > 10) LED_D_ON(); + else LED_D_OFF(); + } + ++lf_count; lf_av_new= ReadAdc(ADC_CHAN_LF); // see if there's a significant change - if(abs(lf_av - lf_av_new) > 10) - { + if(abs(lf_av - lf_av_new) > 10) { DbpString("LF 125/134 Field Change:"); DbpIntegers(lf_av,lf_av_new,lf_count); lf_av= lf_av_new; + if (lf_av > lf_max) + lf_max = lf_av; lf_count= 0; - } } + } - if (limit != LF_ONLY) - { - if (abs(hf_av - hf_baseline) > 10) { - if (mode == 1) - LED_B_ON(); - if (mode == 2) { - if ( hf_av>(hf_max/7)*6) { - LED_A_ON(); LED_B_ON(); LED_C_ON(); LED_D_ON(); - } - if ( (hf_av>(hf_max/7)*5) && (hf_av<=(hf_max/7)*6) ) { - LED_A_ON(); LED_B_ON(); LED_C_OFF(); LED_D_ON(); - } - if ( (hf_av>(hf_max/7)*4) && (hf_av<=(hf_max/7)*5) ) { - LED_A_OFF(); LED_B_ON(); LED_C_OFF(); LED_D_ON(); - } - if ( (hf_av>(hf_max/7)*3) && (hf_av<=(hf_max/7)*4) ) { - LED_A_OFF(); LED_B_OFF(); LED_C_OFF(); LED_D_ON(); - } - if ( (hf_av>(hf_max/7)*2) && (hf_av<=(hf_max/7)*3) ) { - LED_A_OFF(); LED_B_ON(); LED_C_OFF(); LED_D_OFF(); - } - if ( (hf_av>(hf_max/7)*1) && (hf_av<=(hf_max/7)*2) ) { - LED_A_ON(); LED_B_OFF(); LED_C_OFF(); LED_D_OFF(); - } - if ( (hf_av>(hf_max/7)*0) && (hf_av<=(hf_max/7)*1) ) { - LED_A_OFF(); LED_B_OFF(); LED_C_ON(); LED_D_OFF(); - } - } - } else { - if (mode == 1) { - LED_B_OFF(); - } - if (mode == 2) { - LED_A_OFF(); LED_B_OFF(); LED_C_OFF(); LED_D_OFF(); - } + if (limit != LF_ONLY) { + if (mode == 1){ + if (abs(hf_av - hf_baseline) > 10) LED_B_ON(); + else LED_B_OFF(); } - + ++hf_count; hf_av_new= ReadAdc(ADC_CHAN_HF); // see if there's a significant change - if(abs(hf_av - hf_av_new) > 10) - { + if(abs(hf_av - hf_av_new) > 10) { DbpString("HF 13.56 Field Change:"); DbpIntegers(hf_av,hf_av_new,hf_count); hf_av= hf_av_new; if (hf_av > hf_max) hf_max = hf_av; hf_count= 0; + } + } + + if(mode == 2) { + if (limit == LF_ONLY) { + display_val = lf_av; + display_max = lf_max; + } else if (limit == HF_ONLY) { + display_val = hf_av; + display_max = hf_max; + } else { /* Pick one at random */ + if( (hf_max - hf_baseline) > (lf_max - lf_baseline) ) { + display_val = hf_av; + display_max = hf_max; + } else { + display_val = lf_av; + display_max = lf_max; + } + } + for (i=0; i= ((display_max/LIGHT_LEN)*i) && display_val <= ((display_max/LIGHT_LEN)*(i+1))) { + if (LIGHT_SCHEME[i] & 0x1) LED_C_ON(); else LED_C_OFF(); + if (LIGHT_SCHEME[i] & 0x2) LED_A_ON(); else LED_A_OFF(); + if (LIGHT_SCHEME[i] & 0x4) LED_B_ON(); else LED_B_OFF(); + if (LIGHT_SCHEME[i] & 0x8) LED_D_ON(); else LED_D_OFF(); + break; } } } + } } void UsbPacketReceived(BYTE *packet, int len) @@ -632,6 +644,12 @@ void UsbPacketReceived(BYTE *packet, int len) case CMD_SET_LF_DIVISOR: FpgaSendCommand(FPGA_CMD_SET_DIVISOR, c->ext1); break; + case CMD_VERSION: + SendVersion(); + break; + case CMD_LF_SIMULATE_BIDIR: + SimulateTagLowFrequencyBidir(c->ext1, c->ext2); + break; #ifdef WITH_LCD case CMD_LCD_RESET: LCDReset(); @@ -651,7 +669,23 @@ void UsbPacketReceived(BYTE *packet, int len) // We're going to reset, and the bootrom will take control. } break; - + case CMD_START_FLASH: + if(common_area.flags.bootrom_present) { + common_area.command = COMMON_AREA_COMMAND_ENTER_FLASH_MODE; + } + USB_D_PLUS_PULLUP_OFF(); + RSTC_CONTROL = RST_CONTROL_KEY | RST_CONTROL_PROCESSOR_RESET; + for(;;); + break; + + case CMD_DEVICE_INFO: { + UsbCommand c; + c.cmd = CMD_DEVICE_INFO; + c.ext1 = DEVICE_INFO_FLAG_OSIMAGE_PRESENT | DEVICE_INFO_FLAG_CURRENT_MODE_OS; + if(common_area.flags.bootrom_present) c.ext1 |= DEVICE_INFO_FLAG_BOOTROM_PRESENT; + UsbSendPacket((BYTE*)&c, sizeof(c)); + } + break; default: DbpString("unknown command"); break; @@ -662,6 +696,14 @@ void AppMain(void) { memset(BigBuf,0,sizeof(BigBuf)); SpinDelay(100); + + if(common_area.magic != COMMON_AREA_MAGIC || common_area.version != 1) { + /* Initialize common area */ + memset(&common_area, 0, sizeof(common_area)); + common_area.magic = COMMON_AREA_MAGIC; + common_area.version = 1; + } + common_area.flags.osimage_present = 1; LED_D_OFF(); LED_C_OFF();