void ApplicationEntryPoint()
{
UINT32 ComEvent;
g_State.Initialize();
ComEvent = 0;
if(COM_IsSerial(g_State.UsartPort) && (g_State.UsartPort != COM_NULL))
{
ComEvent = SYSTEM_EVENT_FLAG_COM_IN;
}
#if !defined(TARGETLOCATION_RAM)
g_State.WaitForActivity = (g_State.ProgramCount != 0); // is there a main app?
#else
g_State.WaitForActivity = FALSE; // forever
#endif
{
UINT32 ButtonsPressed;
UINT32 ButtonsReleased;
char c;
// clear any events present from startup
while(Events_Get( SYSTEM_EVENT_FLAG_ALL ));
// clear any junk from com port buffers
while(DebuggerPort_Read( g_State.UsartPort, &c, sizeof(c) ));
// clear any junk from button buffer
while(Buttons_GetNextStateChange( ButtonsPressed, ButtonsReleased ));
}
{
BOOL ProcessingSREC = FALSE;
BOOL ProcessingXREC = FALSE;
INT32 ProcessingZENFLASH = 0;
INT32 Mode = 0;
INT32 MenuChoice = 1; // main application location when USB not enabled
BOOL MenuUpdate = TRUE;
UINT32 USBEvent = 0;
COM_HANDLE ReadPort = COM_NULL;
int MenuOffset = 1; // no USB enabled
INT64 WaitTimeout = 0;
#if defined(PLATFORM_ARM_MOTE2)
CPU_GPIO_SetPinState( LED1_GREEN, LED_ON );
#endif
if(g_State.WaitForActivity)
{
WaitTimeout = HAL_Time_CurrentTime() + (INT64)g_State.WaitInterval * (10 * 1000);
hal_printf( "Waiting %d.%03d second(s) for hex upload\r\n", g_State.WaitInterval / 1000, g_State.WaitInterval % 1000 );
}
else
{
hal_printf( "Waiting forever for hex upload\r\n" );
}
// checking the existence of Usb Driver, all the default values are set to no USB
if( USB_DEVICE_STATE_NO_CONTROLLER != USB_GetStatus( ConvertCOM_UsbController(g_State.UsbPort) ) )
{
g_State.UsingUsb = TRUE;
MenuChoice = 2;
MenuOffset = 2;
}
while(true)
{
if(MenuUpdate)
{
MenuUpdate = FALSE;
LCD_Clear();
hal_fprintf( STREAM_LCD, "\f");
switch(Mode)
{
case 0:
hal_fprintf( STREAM_LCD, " Zen Boot\r\n\r\n" );
hal_fprintf( STREAM_LCD, "%c PortBooter\r\n", MenuChoice == 0 ? '*' : ' ' );
if(g_State.UsingUsb)
{
hal_fprintf( STREAM_LCD, "%c FlashUSB\r\n", MenuChoice == 1 ? '*' : ' ' );
}
for(int i = 0; i < g_State.ProgramCount; i++)
{
hal_fprintf( STREAM_LCD, "%c Prg:%08x\r\n", (i+MenuOffset) == MenuChoice ? '*' : ' ', g_State.Programs[i] );
}
break;
case 1:
hal_printf( "PortBooter v%d.%d.%d.%d\r\n", VERSION_MAJOR, VERSION_MINOR, VERSION_BUILD, VERSION_REVISION);
hal_fprintf( STREAM_LCD, "Waiting forever for hex upload\r\n" );
break;
case 2:
hal_fprintf( STREAM_LCD, "FlashUSB\r\n" );
hal_fprintf( STREAM_LCD, "Waiting forever for hex upload\r\n" );
break;
}
}
UINT32 Events = Events_WaitForEvents( ComEvent | SYSTEM_EVENT_FLAG_BUTTON | SYSTEM_EVENT_FLAG_USB_IN, 2000 );
if(Events & SYSTEM_EVENT_FLAG_BUTTON)
{
UINT32 ButtonsPressed;
UINT32 ButtonsReleased;
Events_Clear( SYSTEM_EVENT_FLAG_BUTTON );
while(Buttons_GetNextStateChange( ButtonsPressed, ButtonsReleased ));
{
if(g_State.SerialPortActive == FALSE)
{
//printf("%02x %02x\r\n", ButtonsPressed, ButtonsReleased);
// up
if(ButtonsPressed & BUTTON_UP)
{
switch(Mode)
{
case 0:
MenuChoice = __max( MenuChoice-1, 0 );
break;
}
g_State.WaitForActivity = FALSE;
MenuUpdate = TRUE;
}
// down
if(ButtonsPressed & BUTTON_DOWN)
{
switch(Mode)
{
case 0:
MenuChoice = __min( MenuChoice+1, g_State.ProgramCount + MenuOffset-1 );
break;
}
g_State.WaitForActivity = FALSE;
MenuUpdate = TRUE;
}
// enter button
if(ButtonsPressed & BUTTON_ENTR)
{
switch(Mode)
{
case 0:
if(MenuChoice == 0)
{
Mode = 1;
//UsingUsb = FALSE;
}
else if(g_State.UsingUsb && MenuChoice == 1)
{
Mode = 2;
USB_Configure( ConvertCOM_UsbController(g_State.UsbPort), &UsbDefaultConfiguration );
USB_Initialize( ConvertCOM_UsbController(g_State.UsbPort) );
USB_OpenStream( ConvertCOM_UsbStream(g_State.UsbPort), USB_DEBUG_EP_WRITE, USB_DEBUG_EP_READ );
//UsingUsb = TRUE;
}
else
{
StartApplication( (void (*)())g_State.Programs[MenuChoice-MenuOffset] );
}
break;
case 1:
Mode = 0;
break;
case 2:
// USB_Uninitialize();
Mode = 0;
break;
}
g_State.WaitForActivity = FALSE;
MenuUpdate = TRUE;
}
if(ButtonsReleased)
{
MenuUpdate = TRUE;
}
}
}
}
if((Events & ComEvent) || (Events & SYSTEM_EVENT_FLAG_USB_IN))
{
char c;
if(Events & ComEvent)
{
Events_Clear( ComEvent );
ReadPort = g_State.UsartPort;
g_State.pStreamOutput = ReadPort;
}
else
{
USBEvent = USB_GetEvent( ConvertCOM_UsbController(g_State.UsbPort), USB_EVENT_ALL );
if( !(USBEvent & g_State.UsbEventCode) )
continue;
g_State.pStreamOutput = g_State.UsbPort;
ReadPort = g_State.UsbPort;
}
while(DebuggerPort_Read( ReadPort, &c, sizeof(c) ))
{
if(ProcessingSREC)
{
ProcessingSREC = g_SREC.Process( c );
}
else if(ProcessingXREC)
{
ProcessingXREC = g_XREC.Process( c );
}
else if(ProcessingZENFLASH)
{
const char Signature[] = "ZENFLASH\r";
//printf( "Got %d at %d\r\n", c, ProcessingZENFLASH );
if(Signature[ProcessingZENFLASH++] == c)
{
if(Signature[ProcessingZENFLASH] == 0)
{
SignalActivity();
ProcessingZENFLASH = 0;
}
}
else
{
ProcessingZENFLASH = 0;
}
}
else if('S' == c)
{
ProcessingSREC = TRUE;
}
else if('X' == c)
{
ProcessingXREC = TRUE;
}
else if('Z' == c)
{
ProcessingZENFLASH = 1;
}
}
}
if(g_State.WaitForActivity && WaitTimeout < HAL_Time_CurrentTime())
{
#if defined(PLATFORM_ARM_MOTE2)
CPU_GPIO_SetPinState(LED1_GREEN, LED_OFF); // Turn off Green LED for iMOTE2
#endif
// we didn't see anything on serial port for wait interval (2 seconds nominally),
// continue with code - just run the normal application
StartApplication( (void (*)())g_State.Programs[0] );
}
}
}
}
void USB_EndPoint0 (uint32_t event) {
switch (event) {
case USB_EVT_SETUP:
USB_SetupStage();
USB_DirCtrlEP(SetupPacket.bmRequestType.BM.Dir);
EP0Data.Count = SetupPacket.wLength;
switch (SetupPacket.bmRequestType.BM.Type) {
case REQUEST_STANDARD:
switch (SetupPacket.bRequest) {
case USB_REQUEST_GET_STATUS:
if (!USB_GetStatus()) {
goto stall_i;
}
break;
case USB_REQUEST_CLEAR_FEATURE:
if (!USB_SetClrFeature(0)) {
goto stall_i;
}
USB_StatusInStage();
#if USB_FEATURE_EVENT
USB_Feature_Event();
#endif
break;
case USB_REQUEST_SET_FEATURE:
if (!USB_SetClrFeature(1)) {
goto stall_i;
}
USB_StatusInStage();
#if USB_FEATURE_EVENT
USB_Feature_Event();
#endif
break;
case USB_REQUEST_SET_ADDRESS:
switch (SetupPacket.bmRequestType.BM.Recipient) {
case REQUEST_TO_DEVICE:
USB_DeviceAddress = 0x80 | SetupPacket.wValue.WB.L;
USB_StatusInStage();
break;
default:
goto stall_i;
}
break;
case USB_REQUEST_GET_DESCRIPTOR:
if (!USB_GetDescriptor()) {
goto stall_i;
}
break;
case USB_REQUEST_SET_DESCRIPTOR:
/*stall_o:*/ USB_SetStallEP(0x00);
EP0Data.Count = 0;
break;
case USB_REQUEST_GET_CONFIGURATION:
switch (SetupPacket.bmRequestType.BM.Recipient) {
case REQUEST_TO_DEVICE:
EP0Data.pData = &USB_Configuration;
USB_DataInStage();
break;
default:
goto stall_i;
}
break;
case USB_REQUEST_SET_CONFIGURATION:
switch (SetupPacket.bmRequestType.BM.Recipient) {
case REQUEST_TO_DEVICE:
if (!USB_SetConfiguration()) {
goto stall_i;
}
USB_StatusInStage();
#if USB_CONFIGURE_EVENT
USB_Configure_Event();
#endif
break;
default:
goto stall_i;
}
break;
case USB_REQUEST_GET_INTERFACE:
switch (SetupPacket.bmRequestType.BM.Recipient) {
case REQUEST_TO_INTERFACE:
if ((USB_Configuration != 0) &&
(SetupPacket.wIndex.WB.L < USB_NumInterfaces)) {
EP0Data.pData = USB_AltSetting + SetupPacket.wIndex.WB.L;
USB_DataInStage();
} else {
goto stall_i;
}
break;
default:
goto stall_i;
}
break;
case USB_REQUEST_SET_INTERFACE:
switch (SetupPacket.bmRequestType.BM.Recipient) {
case REQUEST_TO_INTERFACE:
if (!USB_SetInterface()) {
goto stall_i;
}
USB_StatusInStage();
#if USB_INTERFACE_EVENT
USB_Interface_Event();
#endif
break;
default:
goto stall_i;
}
break;
default:
goto stall_i;
}
break;
case REQUEST_CLASS:
#if USB_CLASS
switch (SetupPacket.bmRequestType.BM.Recipient) {
case REQUEST_TO_INTERFACE:
#if USB_HID
if (SetupPacket.wIndex.WB.L == USB_HID_IF_NUM) {
switch (SetupPacket.bRequest) {
case HID_REQUEST_GET_REPORT:
if (HID_GetReport()) {
EP0Data.pData = EP0Buf;
USB_DataInStage();
goto class_ok;
}
break;
case HID_REQUEST_SET_REPORT:
EP0Data.pData = EP0Buf;
goto class_ok;
case HID_REQUEST_GET_IDLE:
if (HID_GetIdle()) {
EP0Data.pData = EP0Buf;
USB_DataInStage();
goto class_ok;
}
break;
case HID_REQUEST_SET_IDLE:
if (HID_SetIdle()) {
USB_StatusInStage();
goto class_ok;
}
break;
case HID_REQUEST_GET_PROTOCOL:
if (HID_GetProtocol()) {
EP0Data.pData = EP0Buf;
USB_DataInStage();
goto class_ok;
}
break;
case HID_REQUEST_SET_PROTOCOL:
if (HID_SetProtocol()) {
USB_StatusInStage();
goto class_ok;
}
break;
}
}
#endif /* USB_HID */
#if USB_MSC
if (SetupPacket.wIndex.WB.L == USB_MSC_IF_NUM) {
switch (SetupPacket.bRequest) {
case MSC_REQUEST_RESET:
if (MSC_Reset()) {
USB_StatusInStage();
goto class_ok;
}
break;
case MSC_REQUEST_GET_MAX_LUN:
if (MSC_GetMaxLUN()) {
EP0Data.pData = EP0Buf;
USB_DataInStage();
goto class_ok;
}
break;
}
}
#endif /* USB_MSC */
#if USB_AUDIO
if ((SetupPacket.wIndex.WB.L == USB_ADC_CIF_NUM) ||
(SetupPacket.wIndex.WB.L == USB_ADC_SIF1_NUM) ||
(SetupPacket.wIndex.WB.L == USB_ADC_SIF2_NUM)) {
if (SetupPacket.bmRequestType.BM.Dir) {
if (ADC_IF_GetRequest()) {
EP0Data.pData = EP0Buf;
USB_DataInStage();
goto class_ok;
}
} else {
EP0Data.pData = EP0Buf;
goto class_ok;
}
}
#endif /* USB_AUDIO */
goto stall_i;
#if USB_AUDIO
case REQUEST_TO_ENDPOINT:
if (SetupPacket.bmRequestType.BM.Dir) {
if (ADC_EP_GetRequest()) {
EP0Data.pData = EP0Buf;
USB_DataInStage();
goto class_ok;
}
} else {
EP0Data.pData = EP0Buf;
goto class_ok;
}
goto stall_i;
#endif /* USB_AUDIO */
default:
goto stall_i;
}
class_ok: break;
#else
goto stall_i;
#endif /* USB_CLASS */
case REQUEST_VENDOR:
goto stall_i;
default:
stall_i: USB_SetStallEP(0x80);
EP0Data.Count = 0;
break;
}
break;
case USB_EVT_OUT:
if (SetupPacket.bmRequestType.BM.Dir == 0) {
if (EP0Data.Count) {
USB_DataOutStage();
if (EP0Data.Count == 0) {
switch (SetupPacket.bmRequestType.BM.Type) {
case REQUEST_STANDARD:
goto stall_i;
#if (USB_CLASS)
case REQUEST_CLASS:
switch (SetupPacket.bmRequestType.BM.Recipient) {
case REQUEST_TO_INTERFACE:
#if USB_HID
if (SetupPacket.wIndex.WB.L == USB_HID_IF_NUM) {
if (!HID_SetReport()) {
goto stall_i;
}
break;
}
#endif
#if USB_AUDIO
if ((SetupPacket.wIndex.WB.L == USB_ADC_CIF_NUM) ||
(SetupPacket.wIndex.WB.L == USB_ADC_SIF1_NUM) ||
(SetupPacket.wIndex.WB.L == USB_ADC_SIF2_NUM)) {
if (!ADC_IF_SetRequest()) {
goto stall_i;
}
break;
}
#endif
goto stall_i;
case REQUEST_TO_ENDPOINT:
#if USB_AUDIO
if (ADC_EP_SetRequest()) break;
#endif
goto stall_i;
default:
goto stall_i;
}
break;
#endif
default:
goto stall_i;
}
USB_StatusInStage();
}
}
} else {
USB_StatusOutStage();
}
break;
case USB_EVT_IN:
if (SetupPacket.bmRequestType.BM.Dir == 1) {
USB_DataInStage();
} else {
if (USB_DeviceAddress & 0x80) {
USB_DeviceAddress &= 0x7F;
USB_SetAddress(USB_DeviceAddress);
}
}
break;
case USB_EVT_IN_STALL:
USB_ClrStallEP(0x80);
break;
case USB_EVT_OUT_STALL:
USB_ClrStallEP(0x00);
break;
}
}