/*! \fn activityDetectedRoutine(void)
* \brief What to do when user activity has been detected
*/
void activityDetectedRoutine(void)
{
// Activate timers for automatic switch off & user interaction timeout
activateTimer(TIMER_LIGHT, LIGHT_TIMER_DEL);
activateTimer(TIMER_SCREEN, SCREEN_TIMER_DEL);
activateTimer(SLOW_TIMER_LOCKOUT, getMooltipassParameterInEeprom(LOCK_TIMEOUT_PARAM));
activateTimer(TIMER_USERINT, ((uint16_t)controlEepromParameter(getMooltipassParameterInEeprom(USER_INTER_TIMEOUT_PARAM), MIN_USER_INTER_DEL/1000, MAX_USER_INTER_DEL/1000)) << 10);
// If the screen was off, turn it on!
if (oledIsOn() == FALSE)
{
oledOn();
screenComingOnDelay();
}
// If we are in screen saver mode, exit it!
if (screenSaverOn == TRUE)
{
screenSaverOn = FALSE;
}
// There are only lights in the Mooltipass standard version
#if defined(HARDWARE_OLIVIER_V1)
// If the lights were off, turn them on!
if (areLightsOn == FALSE)
{
setPwmDc(MAX_PWM_VAL);
activateGuardKey();
areLightsOn = TRUE;
}
#endif
}
/*! \fn activityDetectedRoutine(void)
* \brief What to do when user activity has been detected
*/
void activityDetectedRoutine(void)
{
#ifdef HARDWARE_V1
return;
#endif
// Activate timers for automatic switch off
activateTimer(TIMER_LIGHT, LIGHT_TIMER_DEL);
activateTimer(TIMER_SCREEN, SCREEN_TIMER_DEL);
// If the screen was off, turn it on!
if (oledIsOn() == FALSE)
{
oledOn();
screenComingOnDelay();
}
// If the lights were off, turn them on!
if (areLightsOn == FALSE)
{
setPwmDc(MAX_PWM_VAL);
activateGuardKey();
areLightsOn = TRUE;
}
}
void afterTouchInitTests(void)
{
//#define TEST_TS
#ifdef TEST_TS
uint8_t temp_byte;
uint16_t temp_uint = 0;
RET_TYPE temp_ret_type = RETURN_RIGHT_PRESSED;
activityDetectedRoutine();
oledWriteActiveBuffer();
activateProxDetection();
while(!(temp_ret_type & RETURN_LEFT_PRESSED))
{
if (temp_ret_type != RETURN_NO_CHANGE)
{
oledSetXY(0,0);
readDataFromTS(REG_AT42QT_SLIDER_POS, &temp_byte);
printf("POS: %02X\r\n", temp_byte);
readDataFromTS(REG_AT42QT_DET_STAT, &temp_byte);
printf("DET STAT: %02X\r\n", temp_byte);
readDataFromTS(REG_AT42QT_KEY_STAT1, &temp_byte);
printf("DET1: %02X\r\n", temp_byte);
readDataFromTS(REG_AT42QT_KEY_STAT2, &temp_byte);
printf("DET2: %02X\r\n", temp_byte);
printf("counter: %04X\r\n", temp_uint++);
}
temp_ret_type = touchDetectionRoutine();
}
activateGuardKey();
launchCalibrationCycle();
while(1)
{
if (temp_ret_type != RETURN_NO_CHANGE)
{
oledSetXY(0,0);
readDataFromTS(REG_AT42QT_SLIDER_POS, &temp_byte);
printf("POS: %02X\r\n", temp_byte);
readDataFromTS(REG_AT42QT_DET_STAT, &temp_byte);
printf("DET STAT: %02X\r\n", temp_byte);
readDataFromTS(REG_AT42QT_KEY_STAT1, &temp_byte);
printf("DET1: %02X\r\n", temp_byte);
readDataFromTS(REG_AT42QT_KEY_STAT2, &temp_byte);
printf("DET2: %02X\r\n", temp_byte);
printf("counter: %04X\r\n", temp_uint++);
}
temp_ret_type = touchDetectionRoutine();
}
#endif
}
/*! \fn begin()
* \brief Initialize AT42QT2120
*/
uint8_t mooltipass_touch_sensing::begin(void)
{
WIRE.begin();
uint8_t temp_return = checkTSPres();
if (temp_return == RETURN_OK)
{
// Perform measurements every 16ms
writeDataToTS(REG_AT42QT_LP, 1);
// LED settings
writeDataToTS(REG_AT42QT_KEY4_CTRL, AT42QT2120_OUTPUT_H_VAL); // LED (top right)
writeDataToTS(REG_AT42QT_KEY5_CTRL, AT42QT2120_OUTPUT_H_VAL); // LED (right button)
writeDataToTS(REG_AT42QT_KEY6_CTRL, AT42QT2120_OUTPUT_H_VAL); // LED (bottom right)
writeDataToTS(REG_AT42QT_KEY7_CTRL, AT42QT2120_OUTPUT_H_VAL); // LED (bottom left)
writeDataToTS(REG_AT42QT_KEY8_CTRL, AT42QT2120_OUTPUT_H_VAL); // LED (left button)
writeDataToTS(REG_AT42QT_KEY10_CTRL, AT42QT2120_OUTPUT_H_VAL); // LED (top left)
// Sensitivity settings
#ifndef LOW_SENSITIVITY
writeDataToTS(REG_AT42QT_DI, 6); // Increase detection integrator value
writeDataToTS(REG_AT42QT_KEY0_PULSE_SCL, 0x21); // Oversample to gain one bit
writeDataToTS(REG_AT42QT_KEY1_PULSE_SCL, 0x21); // Oversample to gain one bit
writeDataToTS(REG_AT42QT_KEY2_PULSE_SCL, 0x21); // Oversample to gain one bit
#endif
writeDataToTS(REG_AT42QT_TRD, 50); // Recalibration if touch detected for more than 8 seconds
// Key settings
writeDataToTS(REG_AT42QT_KEY0_CTRL, AT42QT2120_TOUCH_KEY_VAL|AT42QT2120_AKS_GP1_MASK); // Enable Wheel key
writeDataToTS(REG_AT42QT_KEY1_CTRL, AT42QT2120_TOUCH_KEY_VAL|AT42QT2120_AKS_GP1_MASK); // Enable Wheel key
writeDataToTS(REG_AT42QT_KEY2_CTRL, AT42QT2120_TOUCH_KEY_VAL|AT42QT2120_AKS_GP1_MASK); // Enable Wheel key
writeDataToTS(REG_AT42QT_KEY9_CTRL, AT42QT2120_TOUCH_KEY_VAL|AT42QT2120_AKS_GP1_MASK); // Enable Left button
writeDataToTS(REG_AT42QT_KEY11_CTRL, AT42QT2120_TOUCH_KEY_VAL|AT42QT2120_AKS_GP1_MASK); // Enable Right button
writeDataToTS(REG_AT42QT_SLID_OPT, 0x40); // Enable wheel
writeDataToTS(REG_AT42QT_SLID_OPT, 0xC0); // Enable wheel
activateGuardKey(); // Guard key
}
return temp_return;
}
/*! \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();
}
}
}
