/*!
* \brief Is a directory present?
*
* \param pcStringDirName Input. Directory name string.
*
* \return 1 if the directory exists, 0 if the directory doesn't exist, else -1
*/
int8_t fsaccess_IsDirPresent( const char *pcStringDirName )
{
signed short TempoNavId;
int8_t RetVal;
fsaccess_take_mutex(); // Take the mutex on the file system access.
TempoNavId = fsaccess_alloc_nav_id(); // Get a navigator.
if( -1 == TempoNavId ) // No navigator.
{
// give the mutex for nav access
fsaccess_give_mutex();
return( -1 );
}
// select the navigator
nav_select( TempoNavId );
// Try to enter in the directory.
RetVal = (int8_t)nav_setcwd( (FS_STRING)pcStringDirName, true, false );
fsaccess_free_nav_id( TempoNavId ); // mark NavId as free
fsaccess_give_mutex(); // give the mutex for nav access
return( RetVal );
}
//!
//! This function reads from a file.
//!
//! @param fd file descriptor.
//! @param buf pointer for data that are read.
//! @param count amount of bytes to read
//!
//! @return ssize_t : amount of data read (-1 if error)
//!
ssize_t read(int fd, void *buf, size_t count)
{
ssize_t ReadCount = -1;
if (fd < 0)
{
return (-1);
}
// take the mutex for nav access
fsaccess_take_mutex();
nav_select( fd );
if ( file_eof() )
{
// give the mutex for nav access
fsaccess_give_mutex();
return(-1);
}
ReadCount = (ssize_t)file_read_buf((uint8_t *)buf , (uint16_t)count);
// give the mutex for nav access
fsaccess_give_mutex();
return(ReadCount);
}
//!
//! This function returns the opened file size.
//!
//! @param fd file descriptor.
//!
//! @return size_t : size of the file pointed to by the descriptor
//!
size_t fsaccess_file_get_size(int fd)
{
size_t size;
if (fd < 0)
{
return (0);
}
// take the mutex for nav access
fsaccess_take_mutex();
// select the navigator
nav_select( fd );
// get the file size
size = nav_file_lgt();
// give the mutex for nav access
fsaccess_give_mutex();
return (size);
}
//!
//! This function writes to a file.
//!
//! @param fd file descriptor.
//! @param buf pointer from where data are written.
//! @param count amount of bytes to write
//!
//! @return ssize_t : amount of data written (-1 if error)
//!
ssize_t write(int fd, const void *buf, size_t count)
{
ssize_t WriteCount = -1;
if (fd < 0)
{
return (-1);
}
// take the mutex for nav access
fsaccess_take_mutex();
nav_select( fd );
WriteCount = (ssize_t)file_write_buf((uint8_t *)buf , (uint16_t)count);
// give the mutex for nav access
fsaccess_give_mutex();
return(WriteCount);
}
//!
//! This function closes a file.
//!
//! @param fd file descriptor.
//!
//! @return int : -1 if error, 0 otherwise
//!
int close(int fd)
{
if (fd < 0)
{
return (-1);
}
// take the mutex for nav access
fsaccess_take_mutex();
nav_select( fd );
file_close();
fsaccess_free_nav_id(fd);
// give the mutex for nav access
fsaccess_give_mutex();
return (0);
}
void fb_iterator_terminate(){
fsaccess_free_nav_id(iterator_navid);
fsaccess_give_mutex();
}
/*!
* \brief Supervisor task.
*
* \return never
*/
static portTASK_FUNCTION( vSupervisorTask, pvParameters )
{
portTickType xDelayLength = SUPERVISOR_DEFAULT_PERIOD;
portTickType xLastFocusTime;
#if configHEAP_INIT == 1
#if defined(__GNUC__)
portLONG lCheckHeapDelay = 1;
#endif
#endif
#if configCTRLPANEL_TRACE == 1
portLONG lPrintTrace = 3;
#endif
portLONG lUpdateTimeDelay = 1;
#ifdef MMILCD_ENABLE
portLONG lUpdateMMITimeDelay = 1;
portCHAR DateTime[21];
struct tm *pxDate;
bool ms_connected_displayed = pdFALSE;
bool enum_connected_displayed = pdFALSE;
#endif
/* The parameters are not used. */
( void )pvParameters;
#if configCTRLPANEL_TRACE == 1
/* Initialize the dump port COM2. */
itracedump_Init();
#endif
#ifdef MMILCD_ENABLE
// The MMI module.
if( pdFALSE == bMMI_start() )
{
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
#endif
// Create the SHELL mutex.
vSemaphoreCreateBinary( xSHELLFSMutex );
if( NULL == xSHELLFSMutex )
{ // The mutex creation failed.
// TODO: Add msg on LCD.
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
// Start the COM1 Shell module.
vStartCom1Shell( mainCOMSH_TASK_PRIORITY );
// Create the CFG mutex.
vSemaphoreCreateBinary( xCFGMutex );
if( NULL == xCFGMutex )
{ // The mutex creation failed.
// TODO: Add msg on LCD.
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
// Start the sensor module.
if( false == bsensor_start() )
{
// TODO: Add msg on LCD.
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
#if NW_INTEGRATED_IN_CONTROL_PANEL
// Create the Web server mutex.
vSemaphoreCreateBinary( xWEBMutex );
if( NULL == xWEBMutex )
{ // The mutex creation failed.
// TODO: Add msg on LCD.
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
// Start network tasks.
vStartEthernetTaskLauncher( tskIDLE_PRIORITY + 1 );
#endif
// Create the LOG mutex.
vSemaphoreCreateBinary( xLOGMutex );
if( NULL == xLOGMutex )
{ // The mutex creation failed.
// TODO: Add msg on LCD.
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
// Start the data logger module.
if( false == bdatalog_start( mainDATALOG_TASK_PRIORITY ) )
{
// TODO: Add msg on LCD.
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
#ifdef USB_ENABLE
#if USB_DEVICE_FEATURE == true
// Create the USB mutex.
vSemaphoreCreateBinary( xUSBMutex );
if( NULL == xUSBMutex )
{ // The mutex creation failed.
// TODO: Add msg on LCD.
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
// Immediately take the USB mutex. i.e. when we're a Mass Storage device,
// we'll refuse to give r/w access to the host until a user action. This user
// action will make the Ctrl Panel device switch to maintenance mode, in which
// the Mass Storage USB host has r/w access to the Ctrl Panel file system.
while( pdFALSE == x_supervisor_SemaphoreTake( xUSBMutex, 0 ) );
#endif
// Start the USB module tasks.
if( false == b_usbsys_start() )
{
// TODO: Add msg on LCD.
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
#endif
#ifdef MMILCD_ENABLE
// Create the supervisor queue to deal with MMI actions
xSUPERVISORQueue = xQueueCreate( SUPERVISOR_QUEUE_SIZE, sizeof(bool *) );
if( 0 == xSUPERVISORQueue )
{
// TODO: Add msg on LCD.
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
/* Get a File System navigator for MMI actions. */
fsaccess_take_mutex();
sMmiNavId = fsaccess_alloc_nav_id();
nav_select( sMmiNavId ); // Select the navigator.
fsaccess_give_mutex();
/* Spawn the User Action task. */
if( pdPASS != xTaskCreate( vSupervisorUserActionTask,
( const signed portCHAR * )"MMIACT",
SUPERVISOR_USER_ACTION_STACK_SIZE, NULL, SUPERVISOR_USER_ACTION_TASK_PRIORITY,
&xSupervisorUserActionHndl ) )
{
vTaskDelete( xSupervisorUserActionHndl );
// TODO: Add msg on LCD.
// vParTestSetLED( ERROR_LED_ID, pdTRUE );
while( 1 );
}
#endif // #ifdef MMILCD_ENABLE
/* We need to initialise xLastFlashTime prior to the first call to vTaskDelayUntil(). */
xLastFocusTime = xTaskGetTickCount();
#if defined(__GNUC__)
NAKED_TRACE_COM2( "heap start @=%d, heap end @=%d", \
(portBASE_TYPE *)&__heap_start__, \
(portBASE_TYPE *)&__heap_end__ );
#endif
/* Enable the watchdog timer. */
// wdt_enable( SUPERVISOR_WDT_TIMEOUT );
for(;;)
{
/* Delay for the flash period then check. */
vTaskDelayUntil( &xLastFocusTime, xDelayLength );
// wdt_clear(); // Kick the watchdog!
/* MMI USB management. */
#ifdef MMILCD_ENABLE
#ifdef USB_ENABLE
/*** Start of Host behaviour ***/
// first occurrence of MS connection, Host mode
if (ms_connected == true && ms_connected_displayed == pdFALSE)
{
// display connected logo
ms_connected_displayed = pdTRUE;
vMMI_DisplayUSBState(ms_connected_displayed);
// Display User Menu
vMMI_SetUserMenuMode(eUserMenuUSBHost, pdTRUE);
}
// first occurrence of MS disconnection, end of Host mode
if (ms_connected == false && ms_connected_displayed == pdTRUE)
{
// remove connected logo
ms_connected_displayed = pdFALSE;
vMMI_DisplayUSBState(ms_connected_displayed);
// clear User Menu
vMMI_SetUserMenuMode(eUserMenuIdle, pdTRUE);
}
/*** End of Host behaviour ***/
/*** Start of Device behaviour ***/
#if USB_DEVICE_FEATURE == true
// first occurrence of Device connection, Device mode
if (Is_device_enumerated() && ( enum_connected_displayed == pdFALSE ) )
{
if( true == bIsInMaintenance )
{
// display connected logo
enum_connected_displayed = pdTRUE;
vMMI_DisplayUSBState(enum_connected_displayed);
// Display User Menu
vMMI_SetUserMenuMode(eUserMenuUSBDevice, pdTRUE);
}
}
// first occurrence of Device disconnection, end of Device mode
else if (!Is_device_enumerated() && enum_connected_displayed == pdTRUE)
{
// remove connected logo
enum_connected_displayed = pdFALSE;
vMMI_DisplayUSBState(enum_connected_displayed);
// clear User Menu
vMMI_SetUserMenuMode(eUserMenuIdle, pdTRUE);
}
else
{
// remove connected logo => this makes the USB logo blink when the Control
// Panel is behaving as a USB key.
enum_connected_displayed = pdFALSE;
vMMI_DisplayUSBState(enum_connected_displayed);
}
/*** End of Device behaviour ***/
#endif // #if USB_DEVICE_FEATURE == true
#endif // #ifdef USB_ENABLE
#endif // #ifdef MMILCD_ENABLE
/* update time every SUPERVISOR_DELAY_TIMEUPDATE seconds. */
if( 0 == --lUpdateTimeDelay )
{
/* Update the local time. */
lUpdateTimeDelay = SUPERVISOR_DELAY_TIMEUPDATE;
xcptime_LocalTime++;
// v_cptime_UpdateLocalTime();
}
#ifdef MMILCD_ENABLE
/* Update time displayed on the LCD. */
if( 0 == --lUpdateMMITimeDelay)
{
// Get the broken-down representation of the current date.
pxDate = gmtime( &xcptime_LocalTime );
// WARNING: pxDate->tm_year == number of years since 1900.
// For years >= 2000, we'll display the last 2 digits only.
if( pxDate->tm_year >= 100 ) pxDate->tm_year -= 100;
#if DISPLAY_MMI_SECOND == 1
sprintf( DateTime, "%02d/%02d/20%02d %02d:%02d:%02d", pxDate->tm_mon +1, pxDate->tm_mday,
pxDate->tm_year, pxDate->tm_hour, pxDate->tm_min, pxDate->tm_sec );
#else
sprintf( DateTime, "%02d/%02d/20%02d %02d:%02d", pxDate->tm_mon +1, pxDate->tm_mday,
pxDate->tm_year, pxDate->tm_hour, pxDate->tm_min );
#endif
vMMI_DisplayDateAndTime(DateTime);
lUpdateMMITimeDelay = SUPERVISOR_DELAY_MMI_TIMEUPDATE;
}
// Manage MMI
vMMI_Manage();
// Manage MMI user action
prv_v_manage_user_action();
#endif // #ifdef MMILCD_ENABLE
#ifdef USB_ENABLE
if( true == bOutOfMaintenance )
{
prv_v_leave_maintenance_mode();
}
#endif
/* Execute a scheduled command if expiration date is up. */
v_cptime_ExecuteScheduledCmd();
#if configHEAP_INIT == 1
#if defined(__GNUC__)
/* Record the malloc() heap highest consumption every SUPERVISOR_DELAY_HEAPCHECK seconds. */
if( 0 == --lCheckHeapDelay )
{
lCheckHeapDelay = SUPERVISOR_DELAY_HEAPCHECK;
prvCheckMallocHeap();
}
#endif
#endif
#if configCTRLPANEL_TRACE == 1
// Display traces on USART1 every SUPERVISOR_DELAY_PRINTTASKLIST seconds.
if( 0 == --lPrintTrace )
{
lPrintTrace = SUPERVISOR_DELAY_PRINTTASKLIST; // Restart the delay.
v_syscmds_display_traces();
}
#endif
} // for(;;)
} /*lint !e715 !e818 !e830 Function definition must be standard for task creation. */
//!
//! This function opens a file.
//!
//! @param pathname path of the file to open.
//! @param flags flags to give file access rights
//! should be O_CREAT : create file if not exist
//! O_APPEND : add data to the end of file
//! O_RDONLY : Read Only
//! O_WRONLY : Write Only
//! O_RDWR : Read/Write
//! @return int : file descriptor (>= 0 if OK (NavID), -1 otherwise)
//!
int open(const char *pathname, int flags, ...)
{
int CurrentNavId = -1;
// take the mutex for nav access
fsaccess_take_mutex();
// if no navigator available, return an error
if ((CurrentNavId = fsaccess_alloc_nav_id()) < 0) goto error_exit;
// select the navigator
nav_select( CurrentNavId );
// the filesystem is now at the root directory
if ((flags & O_CREAT) == O_CREAT)
{
// try to create, the flag is set
if(nav_setcwd((FS_STRING)pathname, false, true) == false)
{
goto error_free_nav;
}
}
else
{
// do not try to create, if it doesn't exist, error
if(nav_setcwd((FS_STRING)pathname, false, false) == false)
{
goto error_free_nav;
}
}
// if user wants to append in file
if ((flags & O_APPEND) == O_APPEND)
{
// open the file
if (file_open(FOPEN_MODE_APPEND) == false) goto error_free_nav;
}
else if ((flags & O_RDWR) == O_RDWR)
{
// open as read/write
if (file_open(FOPEN_MODE_R_PLUS) == false) goto error_free_nav;
}
else if ((flags & O_WRONLY) == O_WRONLY)
{
// open as write
if (file_open(FOPEN_MODE_W) == false) goto error_free_nav;
}
else
{
// open as read
if (file_open(FOPEN_MODE_R) == false) goto error_free_nav;
}
// give the mutex for nav access
fsaccess_give_mutex();
return (CurrentNavId);
error_free_nav:
// mark NavId as free
fsaccess_free_nav_id(CurrentNavId);
error_exit:
// give the mutex for nav access
fsaccess_give_mutex();
return(-1);
}
