//*****************************************************************************
//
// The main loop for the user interface.
//
//*****************************************************************************
int
main(void)
{
unsigned long ulPanel;
//
// If running on Rev A2 silicon, turn the LDO voltage up to 2.75V. This is
// a workaround to allow the PLL to operate reliably.
//
if(REVISION_IS_A2)
{
SysCtlLDOSet(SYSCTL_LDO_2_75V);
}
//
// Set the clocking to run at 50MHz from the PLL.
//
SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_8MHZ);
//
// Set the priority of the interrupts.
//
IntPrioritySet(INT_CAN0, 0x00);
IntPrioritySet(FAULT_SYSTICK, 0x20);
//
// Configure SysTick to generate an interrupt every millisecond.
//
SysTickPeriodSet(SysCtlClockGet() / 1000);
SysTickIntEnable();
SysTickEnable();
//
// Initialize the push button driver.
//
ButtonsInit();
//
// Initialize the CAN communication channel.
//
CANCommInit();
//
// Initialize the UART used to perform a "firmware update".
//
UpdateUARTInit();
//
// Initialize the display.
//
RIT128x96x4Init(3500000);
//
// Add the screen-clearing widget to the widget tree. As the first widget
// in the tree, this will always be drawn first, resulting in a blank
// screen before anything else is drawn.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sBackground);
//
// Display the splash screen.
//
DisplaySplash();
//
// Set the CAN device ID to one.
//
CANSetID(1);
//
// The "Voltage Control Mode" panel should be displayed first.
//
ulPanel = PANEL_VOLTAGE;
//
// Loop forever.
//
while(1)
{
//
// Determine which panel to display.
//
switch(ulPanel)
{
//
// The "Voltage Control Mode" panel should be displayed.
//
case PANEL_VOLTAGE:
{
ulPanel = DisplayVoltage();
break;
}
//
// The "VComp Control Mode" panel should be displayed.
//
case PANEL_VCOMP:
{
ulPanel = DisplayVComp();
break;
}
//
// The "Current Control Mode" panel should be displayed.
//
case PANEL_CURRENT:
{
ulPanel = DisplayCurrent();
break;
}
//
// The "Speed Control Mode" panel should be displayed.
//
case PANEL_SPEED:
{
ulPanel = DisplaySpeed();
break;
}
//
// The "Position Control Mode" panel should be displayed.
//
case PANEL_POSITION:
{
ulPanel = DisplayPosition();
break;
}
//
// The "Configuration" panel should be displayed.
//
case PANEL_CONFIGURATION:
{
ulPanel = DisplayConfig();
break;
}
//
// The "Device List" panel should be displayed.
//
case PANEL_DEV_LIST:
{
ulPanel = DisplayDevList();
break;
}
//
// The "Firmware Update" panel should be displayed.
//
case PANEL_UPDATE:
{
ulPanel = DisplayUpdate();
break;
}
//
// The "Help" panel should be displayed.
//
case PANEL_HELP:
{
ulPanel = DisplayHelp();
break;
}
//
// The "About" panel should be displayed.
//
case PANEL_ABOUT:
{
ulPanel = DisplayAbout();
break;
}
}
}
}
/*
*********************************************************************************************************
* ApplicationInitialize
*
* Description : This function is called by SYS_Initialize() function and run after power up. Global
* interrupts are not enabled here (i.e. CP0 Status register). Interrupts will be enabled
* by RTOS when the highest priority task is run for the first time.
* Arguments :
*********************************************************************************************************
*/
void ApplicationInitialize ( void )
{
portBASE_TYPE errStatus;
/*initialize app_data object to initial values for this application*/
appData.deviceHandle = USB_DEVICE_HANDLE_INVALID;
appData.isConfigured = false;
/* Initialize the keycode array */
appData.key = USB_HID_KEYBOARD_KEYPAD_KEYBOARD_A;
appData.keyCodeArray.keyCode[0] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
appData.keyCodeArray.keyCode[1] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
appData.keyCodeArray.keyCode[2] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
appData.keyCodeArray.keyCode[3] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
appData.keyCodeArray.keyCode[4] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
appData.keyCodeArray.keyCode[5] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
/* Initialize the modifier keys */
appData.keyboardModifierKeys.modifierkeys = 0;
/* Initialise the led state */
appData.keyboardOutputReport.data = 0;
/* Intialize the switch state */
appData.isSwitchPressed = false;
appData.ignoreSwitchPress = false;
/* Initialize the HID instance index. */
appData.hidInstance = 0;
/* Initialize tracking variables */
appData.isReportReceived = false;
appData.isReportSentComplete = true;
/* Initialize the application state*/
appData.state = APP_STATE_INIT;
/*write proper hardware pins to setup gfx*/
DisplayResetEnable();
DisplayResetConfig();
DisplayCmdDataConfig();
DisplayConfig();
DisplayBacklightOff();
DisplayBacklightConfig();
/*create applicaiton specific tasks*/
errStatus = xTaskCreate((pdTASK_CODE) ApplicationLEDblinkTask,
(const signed char*)"LED Blink Task",
APPLICATION_LEDBLINKTASK_STKSIZE,
NULL,
APPLICATION_LEDBLINKTASK_PRIO,
NULL);
errStatus = xTaskCreate((pdTASK_CODE) ApplicationUSBDeviceTask,
(const signed char*)"USB Device Task",
APPLICATION_USBDEVICETASK_STKSIZE,
NULL,
APPLICATION_USBDEVICETASK_PRIO,
NULL);
errStatus = xTaskCreate((pdTASK_CODE) ApplicationDisplayTask,
(const signed char*)"Display Task",
APPLICATION_DISPLAYTASK_STKSIZE,
NULL,
APPLICATION_DISPLAYTASK_PRIO,
NULL);
/*setup up interrupt controller to use multi-vectored mode, this is not the internal CP0 register,
this sets the SFR register*/
PLIB_INT_MultiVectorSelect(INT_ID_0);
/* Set priority for USB interrupt source */
PLIB_INT_VectorPrioritySet(INT_ID_0,INT_VECTOR_USB,INT_PRIORITY_LEVEL4);
}