void setupUSB (void) {
setupDisconnectPin();
disconnectUSB();
/* turn on the USB clock */
#ifdef STM32F2
pRCC->AHB1ENR |= RCC_AHB1ENR_OTGHSEN;
#else
pRCC->APB1ENR |= RCC_APB1ENR_USB_CLK;
#endif
/* initialize the usb application */
connectUSB();
usbAppInit();
}
void setupUSB (void) {
/* enable USB DISC Pin */
#ifdef STM32F2
#if !defined(BOARD_DiscoveryF4)
pRCC->AHB1ENR |= RCC_AHB1ENR_USB;
GPIO_TypeDef *p = (GPIO_TypeDef *)USB_DISC_BANK;
/* set to output */
p->MODER = 1 << (2*USB_DISC);
/* Configure pins speed to 100 MHz */
//p->OSPEEDR = 0xffffc00f; // 2 bit/port medium speed = %01
/* Configure pins Output type to open drain */
p->OTYPER = 1 << (2*USB_DISC);
/* No pull-up, pull-down for PEx pins */
//p->PUPDR = 0x00000000;
#endif
#else
pRCC->APB2ENR |= RCC_APB2ENR_USB;
/* Setup USB DISC pin as output open drain */
SET_REG(USB_DISC_CR, (GET_REG(USB_DISC_CR) & USB_DISC_CR_MASK) | USB_DISC_CR_OUTPUT_OD); // ala42 just pull down external pull up
//SET_REG(USB_DISC_CR, (GET_REG(USB_DISC_CR) & USB_DISC_CR_MASK) | USB_DISC_CR_OUTPUT_PP); // ala42 actively pull up USBDP
#endif
disconnectUSB();
/* turn on the USB clock */
#ifdef STM32F2
pRCC->AHB1ENR |= RCC_AHB1ENR_OTGHSEN;
#else
pRCC->APB1ENR |= RCC_APB1ENR_USB_CLK;
#endif
/* initialize the usb application */
connectUSB();
usbAppInit();
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
// Register QtKeypadBridge for the virtual keyboard functionality
ui->keypadWidget->installEventFilter(&qt_keypad_bridge);
ui->lcdView->installEventFilter(&qt_keypad_bridge);
//Emu -> GUI (QueuedConnection as they're different threads)
connect(&emu, SIGNAL(serialChar(char)), this, SLOT(serialChar(char)), Qt::QueuedConnection);
connect(&emu, SIGNAL(debugStr(QString)), this, SLOT(debugStr(QString))); //Not queued connection as it may cause a hang
connect(&emu, SIGNAL(speedChanged(double)), this, SLOT(showSpeed(double)), Qt::QueuedConnection);
connect(&emu, SIGNAL(statusMsg(QString)), ui->statusbar, SLOT(showMessage(QString)), Qt::QueuedConnection);
connect(&emu, SIGNAL(turboModeChanged(bool)), ui->buttonSpeed, SLOT(setChecked(bool)), Qt::QueuedConnection);
connect(&emu, SIGNAL(usblinkChanged(bool)), this, SLOT(usblinkChanged(bool)), Qt::QueuedConnection);
//Menu "Emulator"
connect(ui->buttonReset, SIGNAL(clicked(bool)), &emu, SLOT(reset()));
connect(ui->actionReset, SIGNAL(triggered()), &emu, SLOT(reset()));
connect(ui->actionRestart, SIGNAL(triggered()), this, SLOT(restart()));
connect(ui->actionDebugger, SIGNAL(triggered()), &emu, SLOT(enterDebugger()));
connect(ui->buttonPause, SIGNAL(clicked(bool)), &emu, SLOT(setPaused(bool)));
connect(ui->buttonPause, SIGNAL(clicked(bool)), ui->actionPause, SLOT(setChecked(bool)));
connect(ui->actionPause, SIGNAL(toggled(bool)), &emu, SLOT(setPaused(bool)));
connect(ui->actionPause, SIGNAL(toggled(bool)), ui->buttonPause, SLOT(setChecked(bool)));
connect(ui->buttonSpeed, SIGNAL(clicked(bool)), &emu, SLOT(setTurboMode(bool)));
QShortcut *shortcut = new QShortcut(QKeySequence(Qt::Key_F11), this);
shortcut->setAutoRepeat(false);
connect(shortcut, SIGNAL(activated()), &emu, SLOT(toggleTurbo()));
//Menu "Tools"
connect(ui->buttonScreenshot, SIGNAL(clicked()), this, SLOT(screenshot()));
connect(ui->actionScreenshot, SIGNAL(triggered()), this, SLOT(screenshot()));
connect(ui->actionConnect, SIGNAL(triggered()), this, SLOT(connectUSB()));
connect(ui->buttonUSB, SIGNAL(clicked(bool)), this, SLOT(connectUSB()));
connect(ui->actionXModem, SIGNAL(triggered()), this, SLOT(xmodemSend()));
ui->actionConnect->setShortcut(QKeySequence(Qt::Key_F10));
ui->actionConnect->setAutoRepeat(false);
//Menu "Flash"
connect(ui->actionSave, SIGNAL(triggered()), this, SLOT(saveFlash()));
connect(ui->actionCreate_flash, SIGNAL(triggered()), this, SLOT(createFlash()));
//Debugging
connect(ui->lineEdit, SIGNAL(returnPressed()), this, SLOT(debugCommand()));
//File transfer
connect(ui->refreshButton, SIGNAL(clicked(bool)), this, SLOT(reload_filebrowser()));
connect(this, SIGNAL(usblink_progress_changed(int)), this, SLOT(changeProgress(int)), Qt::QueuedConnection);
//Settings
connect(ui->checkDebugger, SIGNAL(toggled(bool)), this, SLOT(setDebuggerOnStartup(bool)));
connect(ui->checkWarning, SIGNAL(toggled(bool)), this, SLOT(setDebuggerOnWarning(bool)));
connect(ui->uiDocks, SIGNAL(toggled(bool)), this, SLOT(setUIMode(bool)));
connect(ui->checkAutostart, SIGNAL(toggled(bool)), this, SLOT(setAutostart(bool)));
connect(ui->fileBoot1, SIGNAL(pressed()), this, SLOT(selectBoot1()));
connect(ui->fileFlash, SIGNAL(pressed()), this, SLOT(selectFlash()));
connect(ui->pathTransfer, SIGNAL(textEdited(QString)), this, SLOT(setUSBPath(QString)));
connect(ui->spinGDB, SIGNAL(valueChanged(int)), this, SLOT(setGDBPort(int)));
connect(ui->spinRDBG, SIGNAL(valueChanged(int)), this, SLOT(setRDBGPort(int)));
connect(ui->orderDiags, SIGNAL(toggled(bool)), this, SLOT(setBootOrder(bool)));
//Set up monospace fonts
QFont monospace = QFontDatabase::systemFont(QFontDatabase::FixedFont);
ui->debugConsole->setFont(monospace);
ui->serialConsole->setFont(monospace);
qRegisterMetaType<QVector<int>>();
#ifdef Q_OS_ANDROID
//On android the settings file is deleted everytime you update or uninstall,
//so choose a better, safer, location
QString path = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation);
settings = new QSettings(path + "/nspire_emu.ini", QSettings::IniFormat);
#else
settings = new QSettings();
#endif
//Load settings
setUIMode(settings->value("docksEnabled", true).toBool());
restoreGeometry(settings->value("windowGeometry").toByteArray());
restoreState(settings->value("windowState").toByteArray(), WindowStateVersion);
selectBoot1(settings->value("boot1", "").toString());
selectFlash(settings->value("flash", "").toString());
setDebuggerOnStartup(settings->value("debugOnStart", false).toBool());
setDebuggerOnWarning(settings->value("debugOnWarn", false).toBool());
setUSBPath(settings->value("usbdir", QString("ndless")).toString());
setGDBPort(settings->value("gdbPort", 3333).toUInt());
setRDBGPort(settings->value("rdbgPort", 3334).toUInt());
setBootOrder(false);
bool autostart = settings->value("emuAutostart", false).toBool();
setAutostart(autostart);
if(emu.boot1 != "" && emu.flash != "" && autostart)
emu.start();
else
ui->statusbar->showMessage(trUtf8("Start the emulation via Emulation->Restart."));
#ifdef Q_OS_MAC
QTimer::singleShot(50, [&] {dockVisibilityChanged(false);}); // Trigger dock update (after UI was shown)
#endif
}
int main() {
systemReset(); // peripherals but not PC
setupCLK();
setupLED();
setupBUTTON();
#ifdef STM32F2
setupDisconnectPin();
disconnectUSB();
#else
setupUSB();
setupFLASH();
#endif
strobePin(LED_BANK,LED,STARTUP_BLINKS,BLINK_FAST);
#ifdef STM32F2
// enter built in boot load if magic number found in RAM
if(*START_BOOT_LOADER_MAGIC_ADDR == START_BOOT_LOADER_MAGIC) {
connectUSB();
*START_BOOT_LOADER_MAGIC_ADDR = 0;
jumpToUser(BUILT_IN_BOOT_LOADER);
}
#endif
#ifdef FASTSTART
// for an unknown reason the loader process hangs if the button port is not read
bool pinState = readPin(BUTTON_BANK, BUTTON);
#else
bool buttonStatusHigh = TRUE;
bool buttonStatusLow = FALSE;
for(int i=0; i<10; i++) {
bool pinState = readPin(BUTTON_BANK, BUTTON);
buttonStatusHigh = buttonStatusHigh && pinState;
buttonStatusLow = buttonStatusLow || pinState;
}
/* wait for host to upload program or halt bootloader */
bool no_user_jump = (!checkUserCode(USER_CODE_FLASH) && !checkUserCode(USER_CODE_RAM))
|| buttonStatusHigh;
int delay_count = 0;
while ((delay_count++ < BOOTLOADER_WAIT) || no_user_jump) {
strobePin(LED_BANK,LED,1,BLINK_SLOW);
#ifndef STM32F2
if (dfuUploadStarted()) {
dfuFinishUpload(); // systemHardReset from DFU once done
}
#endif
}
#endif
if (checkUserCode(USER_CODE_RAM)) {
jumpToUser(USER_CODE_RAM);
} else if (checkUserCode(USER_CODE_FLASH)) {
jumpToUser(USER_CODE_FLASH);
} else {
// some sort of fault occurred, hard reset
strobePin(LED_BANK,LED,5,BLINK_FAST);
systemHardReset();
}
return 0; /* can't happen, but placate the compiler */
}
