//*****************************************************************************
//
// main routine.
//
//*****************************************************************************
int
main(void)
{
tLPMFeature sLPMFeature;
//
// Run from the PLL at 120 MHz.
//
g_ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
SYSCTL_OSC_MAIN | SYSCTL_USE_PLL |
SYSCTL_CFG_VCO_480), 120000000);
//
// Configure the device pins.
//
PinoutSet();
//
// Configure the UART.
//
UARTStdioConfig(0, 115200, g_ui32SysClock);
//
// Initialize the display driver.
//
Kentec320x240x16_SSD2119Init(g_ui32SysClock);
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&g_sContext, "usb-otg-mouse");
//
// Configure USB for OTG operation.
//
USBOTGInit(g_ui32SysClock, ModeCallback);
sLPMFeature.ui32HIRD = 500;
sLPMFeature.ui32Features = USBLIB_FEATURE_LPM_EN |
USBLIB_FEATURE_LPM_RMT_WAKE;
USBHCDFeatureSet(0, USBLIB_FEATURE_LPM, &sLPMFeature);
//
// Initialize the host stack.
//
HostInit();
//
// Initialize the device stack.
//
DeviceInit();
//
// Initialize the USB controller for dual mode operation with a 2ms polling
// rate.
//
USBOTGModeInit(0, 2000, g_pui8HCDPool, HCD_MEMORY_SIZE);
//
// Set the new state so that the screen updates on the first
// pass.
//
g_ui32NewState = 1;
//
// Loop forever.
//
while(1)
{
//
// Tell the OTG library code how much time has passed in milliseconds
// since the last call.
//
USBOTGMain(GetTickms());
//
// Handle deferred state change.
//
if(g_ui32NewState)
{
g_ui32NewState =0;
//
// Update the status area of the screen.
//
ClearMainWindow();
//
// Update the status bar with the new mode.
//
switch(g_iCurrentMode)
{
case eUSBModeHost:
{
UpdateStatus("Host Mode", 0, true);
break;
}
case eUSBModeDevice:
{
UpdateStatus("Device Mode", 0, true);
break;
}
case eUSBModeNone:
{
UpdateStatus("Idle Mode\n", 0, true);
break;
}
default:
{
break;
}
}
}
if(g_iCurrentMode == eUSBModeDevice)
{
DeviceMain();
}
else if(g_iCurrentMode == eUSBModeHost)
{
HostMain();
}
}
}
//*****************************************************************************
//
// Capture one sequence of DEVCTL register values during a session request.
//
//*****************************************************************************
int
main(void)
{
tRectangle sRect;
//
// Set the clocking to run directly from the crystal.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_16MHZ);
//
// Set the pinout appropriately for this board.
//
PinoutSet();
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sKitronix320x240x16_SSD2119);
//
// Fill the top 15 rows of the screen with blue to create the banner.
//
sRect.sXMin = 0;
sRect.sYMin = 0;
sRect.sXMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.sYMax = 14;
GrContextForegroundSet(&g_sContext, ClrDarkBlue);
GrRectFill(&g_sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&g_sContext, ClrWhite);
GrRectDraw(&g_sContext, &sRect);
//
// Put the application name in the middle of the banner.
//
GrContextFontSet(&g_sContext, g_pFontFixed6x8);
GrStringDrawCentered(&g_sContext, "OTG Example", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 7, 0);
#ifdef DEBUG
//
// Configure the relevant pins such that UART0 owns them.
//
ROM_GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// Open the UART for I/O
//
UARTStdioInit(0);
#endif
//
// Determine the number of SysCtlDelay loops required to delay 1mS.
//
g_ulClockMS = ROM_SysCtlClockGet() / (3 * 1000);
//
// Configure the required pins for USB operation.
//
ROM_GPIOPinTypeUSBDigital(GPIO_PORTA_BASE, GPIO_PIN_6 | GPIO_PIN_7);
ROM_GPIOPinTypeUSBDigital(GPIO_PORTB_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// Initialize the USB stack mode and pass in a mode callback.
//
USBStackModeSet(0, USB_MODE_OTG, ModeCallback);
//
// Initialize the host stack.
//
HostInit();
//
// Initialize the device stack.
//
DeviceInit();
//
// Initialize the USB controller for dual mode operation with a 2ms polling
// rate.
//
USBOTGModeInit(0, 2000, g_pHCDPool, HCD_MEMORY_SIZE);
//
// Set the new state so that the screen updates on the first
// pass.
//
g_ulNewState = 1;
//
// Loop forever.
//
while(1)
{
//
// Tell the OTG library code how much time has passed in milliseconds
// since the last call.
//
USBOTGMain(GetTickms());
//
// Handle deferred state change.
//
if(g_ulNewState)
{
g_ulNewState =0;
//
// Update the status area of the screen.
//
ClearMainWindow();
//
// Update the status bar with the new mode.
//
switch(g_eCurrentUSBMode)
{
case USB_MODE_HOST:
{
UpdateStatus("Host Mode", 0, true);
break;
}
case USB_MODE_DEVICE:
{
UpdateStatus("Device Mode", 0, true);
break;
}
case USB_MODE_NONE:
{
UpdateStatus("Idle Mode", 0, true);
break;
}
default:
{
break;
}
}
}
if(g_eCurrentUSBMode == USB_MODE_DEVICE)
{
DeviceMain();
}
else if(g_eCurrentUSBMode == USB_MODE_HOST)
{
HostMain();
}
}
}
