/*! \fn guiGetPinFromUser(volatile uint16_t* pin_code, uint8_t stringID)
* \brief Ask the user to enter a PIN
* \param pin_code Pointer to where to store the pin code
* \param stringID String ID
* \return If the user approved the request
*/
RET_TYPE guiGetPinFromUser(volatile uint16_t* pin_code, uint8_t stringID)
{
// If we don't need a pin code, send default one
#if defined(NO_PIN_CODE_REQUIRED) || defined(HARDWARE_V1) || defined(V2_DEVELOPERS_BOTPCB_BOOTLOADER_SETUP)
*pin_code = SMARTCARD_DEFAULT_PIN;
return RETURN_OK;
#endif
RET_TYPE ret_val = RETURN_NOK;
uint8_t selected_digit = 0;
uint8_t finished = FALSE;
uint8_t current_pin[4];
RET_TYPE temp_rettype;
int8_t temp_int8;
// Set current pin to 0000
memset((void*)current_pin, 0, 4);
// Draw pin entering bitmap
oledClear();
oledBitmapDrawFlash(0, 0, BITMAP_YES_NO, 0);
oledBitmapDrawFlash(83, 51, BITMAP_PIN_LINES, 0);
oledBitmapDrawFlash(238, 23, BITMAP_RIGHT_ARROW, 0);
oledPutstrXY(0, 0, OLED_CENTRE, readStoredStringToBuffer(stringID));
oledDisplayOtherBuffer();
oledSetFont(FONT_PROFONT_24);
oledWriteActiveBuffer();
// Display current pin on screen
guiDisplayPinOnPinEnteringScreen(current_pin, selected_digit);
// While the user hasn't entered his pin
while(!finished)
{
// Still process the USB commands
usbProcessIncoming(USB_CALLER_PIN);
// Detect key touches
temp_rettype = touchDetectionRoutine(0);
// Send it to the touch wheel interface logic
temp_int8 = touchWheelIntefaceLogic(temp_rettype);
// Position increment / decrement
if (temp_int8 != 0)
{
if ((current_pin[selected_digit] == 0x0F) && (temp_int8 == 1))
{
current_pin[selected_digit] = 0xFF;
}
else if ((current_pin[selected_digit] == 0) && (temp_int8 == -1))
{
current_pin[selected_digit] = 0x10;
}
current_pin[selected_digit] += temp_int8;
guiDisplayPinOnPinEnteringScreen(current_pin, selected_digit);
}
if ((isSmartCardAbsent() == RETURN_OK) || (hasTimerExpired(TIMER_USERINT, TRUE) == TIMER_EXPIRED))
{
// Smartcard removed, no reason to continue
ret_val = RETURN_NOK;
finished = TRUE;
}
if (temp_rettype & RETURN_LEFT_PRESSED)
{
if (selected_digit == 1)
{
oledFillXY(0, 23, 18, 18, 0x00);
oledBitmapDrawFlash(0, 24, BITMAP_CROSS, 0);
}
if (selected_digit > 0)
{
// When going back set pin digit to 0
current_pin[selected_digit] = 0;
current_pin[--selected_digit] = 0;
}
else
{
ret_val = RETURN_NOK;
finished = TRUE;
}
guiDisplayPinOnPinEnteringScreen(current_pin, selected_digit);
oledBitmapDrawFlash(238, 23, BITMAP_RIGHT_ARROW, 0);
}
else if (temp_rettype & RETURN_RIGHT_PRESSED)
{
if (selected_digit == 2)
{
oledFillXY(238, 23, 18, 18, 0x00);
oledBitmapDrawFlash(240, 24, BITMAP_TICK, 0);
}
if (selected_digit < 3)
{
selected_digit++;
}
else
{
ret_val = RETURN_OK;
finished = TRUE;
}
guiDisplayPinOnPinEnteringScreen(current_pin, selected_digit);
oledBitmapDrawFlash(0, 23, BITMAP_LEFT_ARROW, 0);
}
}
// Reset default font
oledSetFont(FONT_DEFAULT);
oledWriteInactiveBuffer();
// Store the pin
*pin_code = (uint16_t)(((uint16_t)(current_pin[0]) << 12) | (((uint16_t)current_pin[1]) << 8) | (current_pin[2] << 4) | current_pin[3]);
// Set current pin to 0000
memset((void*)current_pin, 0, 4);
// Prevent touches until the user lifts his finger
touchInhibitUntilRelease();
// Return success status
return ret_val;
}
/*! \fn main(void)
* \brief Main function
*/
int main(void)
{
uint16_t current_bootkey_val = eeprom_read_word((uint16_t*)EEP_BOOTKEY_ADDR);
RET_TYPE flash_init_result;
RET_TYPE touch_init_result;
RET_TYPE card_detect_ret;
uint8_t fuse_ok = TRUE;
// Disable JTAG to gain access to pins, set prescaler to 1 (fuses not set)
#ifndef PRODUCTION_KICKSTARTER_SETUP
disableJTAG();
CPU_PRESCALE(0);
#endif
// Check fuse settings: boot reset vector, 2k words, SPIEN, BOD 2.6V, programming & ver disabled
if ((boot_lock_fuse_bits_get(GET_LOW_FUSE_BITS) != 0xFF) || (boot_lock_fuse_bits_get(GET_HIGH_FUSE_BITS) != 0xD8) || (boot_lock_fuse_bits_get(GET_EXTENDED_FUSE_BITS) != 0xFB) || (boot_lock_fuse_bits_get(GET_LOCK_BITS) != 0xFC))
{
fuse_ok = FALSE;
}
// Check if PB5 is low to start electrical test
DDRB &= ~(1 << 5); PORTB |= (1 << 5);
smallForLoopBasedDelay();
if (!(PINB & (1 << 5)))
{
// Test result, true by default
uint8_t test_result = TRUE;
// Leave flash nS off
DDR_FLASH_nS |= (1 << PORTID_FLASH_nS);
PORT_FLASH_nS |= (1 << PORTID_FLASH_nS);
// Set PORTD as output, leave PORTID_OLED_SS high
DDRD |= 0xFF; PORTD |= 0xFF;
// All other pins are input by default, run our test
for (uint8_t i = 0; i < 4; i++)
{
PORTD |= 0xFF;
smallForLoopBasedDelay();
if (!(PINF & (0xC3)) || !(PINC & (1 << 6)) || !(PINE & (1 << 6)) || !(PINB & (1 << 4)))
{
test_result = FALSE;
}
PORTD &= (1 << PORTID_OLED_SS);
smallForLoopBasedDelay();
if ((PINF & (0xC3)) || (PINC & (1 << 6)) || (PINE & (1 << 6)) || (PINB & (1 << 4)))
{
test_result = FALSE;
}
}
// PB6 as test result output
DDRB |= (1 << 6);
// If test successful, light green LED
if ((test_result == TRUE) && (fuse_ok == TRUE))
{
PORTB |= (1 << 6);
}
else
{
PORTB &= ~(1 << 6);
}
while(1);
}
// This code will only be used for developers and beta testers
#if !defined(PRODUCTION_SETUP) && !defined(PRODUCTION_KICKSTARTER_SETUP)
// Check if we were reset and want to go to the bootloader
if (current_bootkey_val == BOOTLOADER_BOOTKEY)
{
// Disable WDT
wdt_reset();
wdt_clear_flag();
wdt_change_enable();
wdt_stop();
// Store correct bootkey
eeprom_write_word((uint16_t*)EEP_BOOTKEY_ADDR, CORRECT_BOOTKEY);
// Jump to bootloader
start_bootloader();
}
// Check if there was a change in the mooltipass setting storage to reset the parameters to their correct values
if (getMooltipassParameterInEeprom(USER_PARAM_INIT_KEY_PARAM) != USER_PARAM_CORRECT_INIT_KEY)
{
mooltipassParametersInit();
setMooltipassParameterInEeprom(USER_PARAM_INIT_KEY_PARAM, USER_PARAM_CORRECT_INIT_KEY);
}
#endif
// First time initializations for Eeprom (first boot at production or flash layout changes for beta testers)
if (current_bootkey_val != CORRECT_BOOTKEY)
{
// Erase Mooltipass parameters
mooltipassParametersInit();
// Set bootloader password bool to FALSE
eeprom_write_byte((uint8_t*)EEP_BOOT_PWD_SET, FALSE);
}
/* Check if a card is inserted in the Mooltipass to go to the bootloader */
#ifdef AVR_BOOTLOADER_PROGRAMMING
/* Disable JTAG to get access to the pins */
disableJTAG();
/* Init SMC port */
initPortSMC();
/* Delay for detection */
smallForLoopBasedDelay();
#if defined(HARDWARE_V1)
if (PIN_SC_DET & (1 << PORTID_SC_DET))
#elif defined(HARDWARE_OLIVIER_V1)
if (!(PIN_SC_DET & (1 << PORTID_SC_DET)))
#endif
{
uint16_t tempuint16;
/* What follows is a copy from firstDetectFunctionSMC() */
/* Enable power to the card */
PORT_SC_POW &= ~(1 << PORTID_SC_POW);
/* Default state: PGM to 0 and RST to 1 */
PORT_SC_PGM &= ~(1 << PORTID_SC_PGM);
DDR_SC_PGM |= (1 << PORTID_SC_PGM);
PORT_SC_RST |= (1 << PORTID_SC_RST);
DDR_SC_RST |= (1 << PORTID_SC_RST);
/* Activate SPI port */
PORT_SPI_NATIVE &= ~((1 << SCK_SPI_NATIVE) | (1 << MOSI_SPI_NATIVE));
DDRB |= (1 << SCK_SPI_NATIVE) | (1 << MOSI_SPI_NATIVE);
setSPIModeSMC();
/* Let the card come online */
smallForLoopBasedDelay();
/* Check smart card FZ */
readFabricationZone((uint8_t*)&tempuint16);
if ((swap16(tempuint16)) != SMARTCARD_FABRICATION_ZONE)
{
removeFunctionSMC();
start_bootloader();
}
else
{
removeFunctionSMC();
}
}
#endif
initPortSMC(); // Initialize smart card port
initPwm(); // Initialize PWM controller
initIRQ(); // Initialize interrupts
powerSettlingDelay(); // Let the power settle
initUsb(); // Initialize USB controller
powerSettlingDelay(); // Let the USB 3.3V LDO rise
initI2cPort(); // Initialize I2C interface
rngInit(); // Initialize avrentropy library
oledInitIOs(); // Initialize OLED input/outputs
spiUsartBegin(SPI_RATE_8_MHZ); // Start USART SPI at 8MHz
// If offline mode isn't enabled, wait for device to be enumerated
if (getMooltipassParameterInEeprom(OFFLINE_MODE_PARAM) == FALSE)
{
while(!isUsbConfigured()); // Wait for host to set configuration
}
// Set correct timeout_enabled val
mp_timeout_enabled = getMooltipassParameterInEeprom(LOCK_TIMEOUT_ENABLE_PARAM);
// Launch the before flash initialization tests
#ifdef TESTS_ENABLED
beforeFlashInitTests();
#endif
// Check if we can initialize the Flash memory
flash_init_result = initFlash();
// Launch the after flash initialization tests
#ifdef TESTS_ENABLED
afterFlashInitTests();
#endif
// Set up OLED now that USB is receiving full 500mA.
oledBegin(FONT_DEFAULT);
// First time initializations for Flash (first time power up at production)
if (current_bootkey_val != CORRECT_BOOTKEY)
{
// Erase everything non graphic in flash
eraseFlashUsersContents();
// Erase # of cards and # of users
firstTimeUserHandlingInit();
}
// Check if we can initialize the touch sensing element
touch_init_result = initTouchSensing();
// Enable proximity detection
#ifndef HARDWARE_V1
activateProxDetection();
#endif
// Launch the after touch initialization tests
#ifdef TESTS_ENABLED
afterTouchInitTests();
#endif
// Test procedure to check that all HW is working
#if defined(PRODUCTION_SETUP) || defined(PRODUCTION_KICKSTARTER_SETUP)
if (current_bootkey_val != CORRECT_BOOTKEY)
{
RET_TYPE temp_rettype;
// Wait for USB host to upload bundle, which then sets USER_PARAM_INIT_KEY_PARAM
//#ifdef PRODUCTION_KICKSTARTER_SETUP
while(getMooltipassParameterInEeprom(USER_PARAM_INIT_KEY_PARAM) != 0xF1)
{
usbProcessIncoming(USB_CALLER_MAIN);
}
//#endif
// Bundle uploaded, start the screen
oledBegin(FONT_DEFAULT);
oledWriteActiveBuffer();
oledSetXY(0,0);
// LEDs ON, to check
setPwmDc(MAX_PWM_VAL);
switchOnButtonWheelLeds();
guiDisplayRawString(ID_STRING_TEST_LEDS_CH);
// Check flash init
if (flash_init_result != RETURN_OK)
{
guiDisplayRawString(ID_STRING_TEST_FLASH_PB);
}
// Check touch init
if (touch_init_result != RETURN_OK)
{
guiDisplayRawString(ID_STRING_TEST_TOUCH_PB);
}
// Touch instructions
guiDisplayRawString(ID_STRING_TEST_INST_TCH);
// Check prox
while(!(touchDetectionRoutine(0) & RETURN_PROX_DETECTION));
guiDisplayRawString(ID_STRING_TEST_DET);
activateGuardKey();
// Check left
while(!(touchDetectionRoutine(0) & RETURN_LEFT_PRESSED));
guiDisplayRawString(ID_STRING_TEST_LEFT);
// Check wheel
while(!(touchDetectionRoutine(0) & RETURN_WHEEL_PRESSED));
guiDisplayRawString(ID_STRING_TEST_WHEEL);
// Check right
while(!(touchDetectionRoutine(0) & RETURN_RIGHT_PRESSED));
guiDisplayRawString(ID_STRING_TEST_RIGHT);
// Insert card
guiDisplayRawString(ID_STRING_TEST_CARD_INS);
while(isCardPlugged() != RETURN_JDETECT);
temp_rettype = cardDetectedRoutine();
// Check card
if (!((temp_rettype == RETURN_MOOLTIPASS_BLANK) || (temp_rettype == RETURN_MOOLTIPASS_USER)))
{
guiDisplayRawString(ID_STRING_TEST_CARD_PB);
}
// Display result
uint8_t script_return = RETURN_OK;
if ((flash_init_result == RETURN_OK) && (touch_init_result == RETURN_OK) && ((temp_rettype == RETURN_MOOLTIPASS_BLANK) || (temp_rettype == RETURN_MOOLTIPASS_USER)))
{
// Inform script of success
usbSendMessage(CMD_FUNCTIONAL_TEST_RES, 1, &script_return);
// Wait for password to be set
while(eeprom_read_byte((uint8_t*)EEP_BOOT_PWD_SET) != BOOTLOADER_PWDOK_KEY)
{
usbProcessIncoming(USB_CALLER_MAIN);
}
// Display test result
guiDisplayRawString(ID_STRING_TEST_OK);
timerBasedDelayMs(3000);
}
else
{
// Set correct bool
script_return = RETURN_NOK;
// Display test result
guiDisplayRawString(ID_STRING_TEST_NOK);
// Inform script of failure
usbSendMessage(CMD_FUNCTIONAL_TEST_RES, 1, &script_return);
while(1)
{
usbProcessIncoming(USB_CALLER_MAIN);
}
}
}
#endif
// Stop the Mooltipass if we can't communicate with the flash or the touch interface
#if defined(HARDWARE_OLIVIER_V1)
#ifdef PRODUCTION_KICKSTARTER_SETUP
while ((flash_init_result != RETURN_OK) || (touch_init_result != RETURN_OK) || (fuse_ok != TRUE));
#else
while ((flash_init_result != RETURN_OK) || (touch_init_result != RETURN_OK));
#endif
#endif
// First time initializations done.... write correct value in eeprom
if (current_bootkey_val != CORRECT_BOOTKEY)
{
// Store correct bootkey
eeprom_write_word((uint16_t*)EEP_BOOTKEY_ADDR, CORRECT_BOOTKEY);
}
// Write inactive buffer & go to startup screen
oledWriteInactiveBuffer();
guiSetCurrentScreen(SCREEN_DEFAULT_NINSERTED);
guiGetBackToCurrentScreen();
// Launch the after HaD logo display tests
#ifdef TESTS_ENABLED
afterHadLogoDisplayTests();
#endif
// Let's fade in the LEDs
for (uint16_t i = 0; i < MAX_PWM_VAL; i++)
{
setPwmDc(i);
timerBasedDelayMs(0);
}
activityDetectedRoutine();
launchCalibrationCycle();
touchClearCurrentDetections();
// Inhibit touch inputs for the first 3 seconds
activateTimer(TIMER_TOUCH_INHIBIT, 3000);
while (1)
{
// Process possible incoming USB packets
usbProcessIncoming(USB_CALLER_MAIN);
// Call GUI routine once the touch input inhibit timer is finished
if (hasTimerExpired(TIMER_TOUCH_INHIBIT, FALSE) == TIMER_EXPIRED)
{
guiMainLoop();
}
// Check if a card just got inserted / removed
card_detect_ret = isCardPlugged();
// Do appropriate actions on smartcard insertion / removal
if (card_detect_ret == RETURN_JDETECT)
{
// Light up the Mooltipass and call the dedicated function
activityDetectedRoutine();
handleSmartcardInserted();
}
else if (card_detect_ret == RETURN_JRELEASED)
{
// Light up the Mooltipass and call the dedicated function
activityDetectedRoutine();
handleSmartcardRemoved();
// Set correct screen
guiDisplayInformationOnScreen(ID_STRING_CARD_REMOVED);
guiSetCurrentScreen(SCREEN_DEFAULT_NINSERTED);
userViewDelay();
guiGetBackToCurrentScreen();
}
// Two quick caps lock presses wakes up the device
if ((hasTimerExpired(TIMER_CAPS, FALSE) == TIMER_EXPIRED) && (getKeyboardLeds() & HID_CAPS_MASK) && (wasCapsLockTimerArmed == FALSE))
{
wasCapsLockTimerArmed = TRUE;
activateTimer(TIMER_CAPS, CAPS_LOCK_DEL);
}
else if ((hasTimerExpired(TIMER_CAPS, FALSE) == TIMER_RUNNING) && !(getKeyboardLeds() & HID_CAPS_MASK))
{
activityDetectedRoutine();
}
else if ((hasTimerExpired(TIMER_CAPS, FALSE) == TIMER_EXPIRED) && !(getKeyboardLeds() & HID_CAPS_MASK))
{
wasCapsLockTimerArmed = FALSE;
}
// If we have a timeout lock
if ((mp_timeout_enabled == TRUE) && (hasTimerExpired(SLOW_TIMER_LOCKOUT, TRUE) == TIMER_EXPIRED))
{
guiSetCurrentScreen(SCREEN_DEFAULT_INSERTED_LCK);
guiGetBackToCurrentScreen();
handleSmartcardRemoved();
}
}
}
