/*! \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 loginSelectionScreen(void) * \brief Screen displayed to let the user choose/find a login * \return Valid child node address or 0 otherwise */ uint16_t loginSelectionScreen(void) { char currentText[SEARCHTEXT_MAX_LENGTH+1]; uint8_t displayRefreshNeeded = TRUE; uint16_t ret_val = NODE_ADDR_NULL; uint8_t wasWheelReleased = TRUE; uint16_t tempParentAddresses[5]; uint8_t currentStringIndex = 0; uint8_t nbMatchedParents= 0; uint8_t finished = FALSE; RET_TYPE temp_rettype; uint8_t led_mask = 0; int8_t temp_int8; // Set current text to a last_matching_parent_addr = NODE_ADDR_NULL; last_matching_parent_number = 0; memcpy(currentText, "a\x00\x00\x00\x00", sizeof(currentText)); // Draw bitmap, display it and write active buffer oledBitmapDrawFlash(0, 0, BITMAP_LOGIN_FIND, 0); oledDisplayOtherBuffer(); oledWriteActiveBuffer(); // While the user hasn't chosen a credential while(!finished) { if (displayRefreshNeeded == TRUE) { nbMatchedParents = displayCurrentSearchLoginTexts(currentText, tempParentAddresses, currentStringIndex); displayRefreshNeeded = FALSE; // Light only the available choices and right arrow led_mask = 0; for (temp_int8 = nbMatchedParents; temp_int8 < 5; temp_int8++) { led_mask |= (1 << temp_int8); } } // Detect key touches temp_rettype = touchDetectionRoutine(led_mask); // Algo to differentiate a tap from a scroll if ((temp_rettype & RETURN_WHEEL_PRESSED) && (wasWheelReleased == TRUE)) { // We use the timer dedicated to touch inhibit for min activateTimer(TIMER_TOUCH_INHIBIT, TAP_MIN_DEL); // We use the timer dedicated to caps detect for max activateTimer(TIMER_CAPS, TAP_MAX_DEL); // This works because we use the same clearing flags wasWheelReleased = FALSE; } else if (temp_rettype & RETURN_WHEEL_RELEASED) { // Check if it's a tap and that the selected domain is valid if ((hasTimerExpired(TIMER_CAPS, FALSE) == TIMER_RUNNING) && (hasTimerExpired(TIMER_TOUCH_INHIBIT, FALSE) == TIMER_EXPIRED) && (getWheelTouchDetectionQuarter() < nbMatchedParents)) { ret_val = tempParentAddresses[getWheelTouchDetectionQuarter()]; finished = TRUE; } wasWheelReleased = TRUE; } // Send it to the touch wheel interface logic temp_int8 = touchWheelIntefaceLogic(temp_rettype); // Position increment / decrement if (temp_int8 != 0) { if ((currentText[currentStringIndex] == 0x7A) && (temp_int8 == 1)) { // z->0 wrap currentText[currentStringIndex] = 0x2F; } if ((currentText[currentStringIndex] == 0x39) && (temp_int8 == 1)) { // 9->a wrap currentText[currentStringIndex] = 0x60; } else if ((currentText[currentStringIndex] == 0x30) && (temp_int8 == -1)) { // 0->z wrap currentText[currentStringIndex] = 0x7B; } else if ((currentText[currentStringIndex] == 0x61) && (temp_int8 == -1)) { // a->9 wrap currentText[currentStringIndex] = 0x3A; } currentText[currentStringIndex] += temp_int8; displayRefreshNeeded = TRUE; } if ((isSmartCardAbsent() == RETURN_OK) || (hasTimerExpired(TIMER_USERINT, TRUE) == TIMER_EXPIRED)) { // Smartcard removed or no interaction for a while finished = TRUE; } else if (temp_rettype & RETURN_LEFT_PRESSED) { // Change search index if (currentStringIndex > 0) { currentText[currentStringIndex--] = 0; displayRefreshNeeded = TRUE; } else { finished = TRUE; } } else if ((temp_rettype & RETURN_RIGHT_PRESSED) && (nbMatchedParents > 4)) { // Change search index only if we need to... currentText[++currentStringIndex] = 'a'; displayRefreshNeeded = TRUE; } } // Set inactive buffer write by default oledWriteInactiveBuffer(); return ret_val; }