/******************************************************************************
* Function: DSTATUS USB_disk_status(void)
*
* PreCondition: None
*
* Input: drv - Physical drive number
*
* Output: Status of drive
*
* Side Effects: None
*
* Overview: Function to return status of drive
*
* Note: None
*****************************************************************************/
DSTATUS disk_status (
BYTE drv /* Physical drive nmuber (0..) */
)
{
if (!USBHostMSDSCSIMediaDetect())
{
return STA_NODISK;
}
return 0;
}
// *--------------------------------------------------------------------------------*
int main(){
UINT16 Count=0;
mJTAGPortEnable(0); // JTAG des-habilitado
SYSTEMConfigPerformance(GetSystemClock()); // Activa pre-cache.-
LED1_OUTPUT();
LED2_OUTPUT();
INTEnableSystemMultiVectoredInt();
deviceAttached = FALSE;
//Initialize the stack
USBInitialize(0);
while(1){
//USB stack process function
USBTasks();
if(++Count==0){
LED1_TOGGLE();
}
//if thumbdrive is plugged in
if(USBHostMSDSCSIMediaDetect()){
deviceAttached = TRUE;
LED1_OFF();
//now a device is attached
//See if the device is attached and in the right format
if(FSInit()){
//Opening a file in mode "w" will create the file if it doesn't
// exist. If the file does exist it will delete the old file
// and create a new one that is blank.
myFile = FSfopen("test.txt","w");
//Write some data to the new file.
FSfwrite("This is a test.",1,15,myFile);
//Always make sure to close the file so that the data gets
// written to the drive.
FSfclose(myFile);
//Just sit here until the device is removed.
while(deviceAttached == TRUE){
USBTasks();
if(++Count==0){
LED2_TOGGLE();
}
}
LED2_OFF();
}
}
}
}
/************************************************************************
Function: void MonitorDriveMedia( void )
Precondition: None
Overview: This function calls the background tasks necessary to support
USB Host operation. Upon initial insertion of the media, it
initializes the file system support and reads the volume label.
Upon removal of the media, the volume label is marked invalid.
Input: None
Output: None
*************************************************************************/
void MonitorDriveMedia(void)
{
BYTE mediaPresentNow;
BYTE mountTries;
SearchRec searchRecord;
#if defined ENABLE_USB_MSD_DEMO
// Call to USBTasks() is assumed to be done in the main. If not you can
// call it here.
//USBTasks();
mediaPresentNow = USBHostMSDSCSIMediaDetect();
#elif defined ENABLE_SD_MSD_DEMO
mediaPresentNow = MDD_MediaDetect();
#endif
if(mediaPresentNow != mediaPresent)
{
if(mediaPresentNow)
{
mountTries = 10;
while(!FSInit() && mountTries--);
if(!mountTries)
{
//UART2PrintString("APP: Could not mount media\r\n");
mediaPresent = FALSE;
}
else
{
mediaPresent = TRUE;
// Find the volume label. We need to do this here while we are at the
// root directory.
if(!FindFirst("*.*", ATTR_VOLUME, &searchRecord))
{
strcpy(volume.label, searchRecord.filename);
volume.valid = TRUE;
}
}
}
else
{
mediaPresent = FALSE;
volume.valid = FALSE;
}
}
}
int main(void)
{
int value;
int junk;
millisec = 0;
value = SYSTEMConfigWaitStatesAndPB( GetSystemClock() );
// Enable the cache for the best performance
CheKseg0CacheOn();
//Setupt input for inteface button JF8 (RA01) (0x02)
TRISASET = 0x02;
//RED LED - JF9 (RA04) (0x10)
TRISACLR = 0x10;
ODCACLR = 0x10;
LATASET = 0x10;
//Green LED -JF7 (RE9) (0x200)
TRISECLR = 0x200;
ODCECLR = 0x200;
LATESET = 0x200;
//Setupt Input for DataFlag Button - JF10 - RA5 0x20
TRISASET = 0x20;
//Setup Output for Clutch Hold (Launch) JE1 RD14 0x4000
//This function is active low, driving the FET on the PDU
TRISDCLR = 0x4000;
ODCDCLR = 0x4000;
LATDSET = 0x4000; //Default state is high (off)
CAN1Init();//CAN1 ACCL 500kbs
CAN2Init();//Motec 1mbs
DelayInit();
initUART2(); // GPS UART
prevButton1 = 0;
prevButton2 = 0;
millisec = 0;
// Configure Timer 2 to request a real-time interrupt once per millisecond.
// The period of Timer 2 is (16 * 5000)/(80 MHz) = 1 ms.
OpenTimer2(T2_ON | T2_IDLE_CON | T2_SOURCE_INT | T2_PS_1_16 | T2_GATE_OFF, 5000);
// Configure the CPU to respond to Timer 2's interrupt requests.
INTEnableSystemMultiVectoredInt();
INTSetVectorPriority(INT_TIMER_2_VECTOR, INT_PRIORITY_LEVEL_2);
INTClearFlag(INT_T2);
INTEnable(INT_T2, INT_ENABLED);
//UART GPS Interrupts
INTSetVectorPriority(INT_UART_2_VECTOR ,INT_PRIORITY_LEVEL_1); //Make sure UART interrupt is top priority
INTClearFlag(INT_U2RX);
INTEnable(INT_U2RX, INT_ENABLED);
value = OSCCON;
while (!(value & 0x00000020))
{
value = OSCCON; // Wait for PLL lock to stabilize
}
deviceAttached = FALSE;
//Initialize the stack
USBInitialize(0);
shouldLog = FALSE;
shouldStop = FALSE;
//count = 0;
angularRateInfoRec = FALSE;
accelerationSensorRec = FALSE;
HRaccelerationSensorRec = FALSE;
//init tim er 3 to convert adc at 100hz
OpenTimer3(T3_ON|T3_PS_1_256|T3_SOURCE_INT, 1562);
//initialize i2c for the psoc
initI2CPSoC();
state = wait;
logNum = 0;
initI2CEEPROM();
short addy = 0x0000;
BYTE num = 0x00;
logNum = readEEPROM(addy);
if(logNum >= 0xEF) //Address stored in EEPROM if greater than 0xEF reset to zero, limited to a single byte with current code configuration
{
writeEEPROM(addy, 0x00);
}
char GroupString[550];//Group Names (Line1)
char UnitString[550];//Units (line2)
char ParamString[650];//Paramater Names (line3)
sprintf(GroupString,"Time,Accelerometer,Accelerometer,Accelerometer,Accelerometer,Accelerometer,Accelerometer,Accelerometer,Accelerometer,Accelerometer,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Drivetrain,Drivetrain,Electrical,Drivetrain,Drivetrain,Drivetrain,Drivetrain,Engine,Engine,Engine,Engine,Electrical,Electrical,Electrical,Electrical,Electrical,Electrical,Suspension,Suspension,Suspension,Suspension,Suspension,Drivetrain,Driver\n");
sprintf(UnitString,"ms,deg/s,deg/s,deg/s,m/s^2,m/s^2,m/s^2,m/s^2,m/s^2,m/s^2,rpm,%,kpa,degF,degF,lambda,psi,degF,na,na,psi,psi,V,mph,mph,mph,mph,s,gal,degF,degBTDC,mV,mV,mV,mV,mV,mV,mV,mV,mV,mV,mV,mV,\n");
sprintf(ParamString, "Millisec,pitch(deg/sec),roll(deg/sec),yaw(deg/sec),lat(m/s^2),long(m/s^2),vert(m/s^2),latHR(m/s^2),longHR(m/s^2),vertHR(m/s^2),rpm,tps(percent),MAP(kpa),AT(degF),ect(degF),lambda,fuel pres,egt(degF),launch,neutral,brake pres,brake pres filtered,BattVolt(V),ld speed(mph), lg speed(mph),rd speed(mph),rg speed(mph),run time(s),fuel used,Oil Temp (deg F), Ignition Adv (degBTDC),Overall Consumption(mV),Overall Production(mV),Fuel Pump(mV),Fuel Injector(mV),Ignition(mV),Vref(mV),Back Left(mV),Back Right(mV),Front Left(mV),Front Right(mV),Steering Angle(mV),Brake Temp(mV),Data Flag,GPRMC,Time,Valid,Lat,N/S,Long,E/W,Speed,Course,Date,Variation,E/W\n");
LATACLR = 0x10; //Turn on Red LED
// LATECLR = 0x200;
UARTSendString(UART2,PMTK_HOT_RESTART);
int i = 0;
while(!UARTTransmissionHasCompleted(UART2)){
i++;
}
while(1)
{
GPSDataRead();
GPSSentenceParse();
ClutchHold(); //This function handles the venting direction of the clutch actuator
DataFlagFunc(); //This function handles the updates of the data flag variable
//USB stack process function
USBTasks();
switch(state){
case wait:
USBTasks();
millisec = 0;
if(CheckLogStateChange() == 1){ //start the transition from wait to log
state = startLog;
}
break;
case startLog:
//if thumbdrive is plugged in
if(USBHostMSDSCSIMediaDetect())
{
deviceAttached = TRUE;
//now a device is attached
//See if the device is attached and in the right format
if(FSInit())
{
//Opening a file in mode "w" will create the file if it doesn't
// exist. If the file does exist it will delete the old file
// and create a new one that is blank.
logNum = readEEPROM(addy);
sprintf(nameString, "test%d.csv", logNum);
myFile = FSfopen(nameString,"w");
FSfwrite(GroupString,1,strlen(GroupString),myFile);
FSfwrite(UnitString,1,strlen(UnitString),myFile);
FSfwrite(ParamString,1, strlen(ParamString),myFile);
millisec = 0;
//LATDSET = 0x4000; //Send sync pulse (aeroprobe)
// while(millisec < 1000){} //Wait 1s then move to log, the aeroprobe ADC waits 1s.
state = log;
LATECLR = 0x200; //Turn on Green
LATASET = 0x10; //Turn off Red
}
}
break;
case log:
//This uses MOTEC as the master timer. Data is only written to the USB after all the motec Data is received
if(motec0Read && motec1Read && motec2Read && motec3Read && motec4Read && motec5Read){
WriteToUSB();
}
else{}//Wait for motec data to write the next row
if(CheckLogStateChange() == 2){ //Start the transition from log to wait
state = stopLog;
}
if(millisec > 2000){
LATDCLR = 0x4000; //After 2 seconds pass no need to keep output high
}
//Add a function to check for a flag button and set a variable
break;
case stopLog:
//Always make sure to close the file so that the data gets written to the drive.
FSfwrite("endFile", 1, 7, myFile);
FSfclose(myFile);
state = wait;
logNum++;
writeEEPROM(addy, logNum);
LATACLR = 0x10; //Turn on Red
LATESET = 0x200; //Turn off Green
break;
default:
state = wait;
break;
}
//CAN Handlers
CANRxMessageBuffer* CAN1RxMessage = CAN1RxMsgProcess();
if(CAN1RxMessage){
WriteAccelData(CAN1RxMessage); //Accel is on CAN 1
}
CANRxMessageBuffer* CAN2RxMessage = CAN2RxMsgProcess();
if(CAN2RxMessage){
writeCan2Msg(CAN2RxMessage); //Motec is on CAN 2
}
}
return 0;
}
uint8_t ChipKITUSBMSDHost::SCSIMediaDetect(void)
{
return(USBHostMSDSCSIMediaDetect());
}