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tc_handler.c
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/** Functions and tasks related to TeleCommand handling.
*
* @file
* @author P. LEROY
*
* A group of functions to handle TeleCommands:\n
* action launching\n
* TC parsing\n
* ...
*
*/
#include "tc_handler.h"
#include "math.h"
//***********
// RTEMS TASK
rtems_task actn_task( rtems_task_argument unused )
{
/** This RTEMS task is responsible for launching actions upton the reception of valid TeleCommands.
*
* @param unused is the starting argument of the RTEMS task
*
* The ACTN task waits for data coming from an RTEMS msesage queue. When data arrives, it launches specific actions depending
* on the incoming TeleCommand.
*
*/
int result;
rtems_status_code status; // RTEMS status code
ccsdsTelecommandPacket_t TC; // TC sent to the ACTN task
size_t size; // size of the incoming TC packet
unsigned char subtype; // subtype of the current TC packet
unsigned char time[6];
rtems_id queue_rcv_id;
rtems_id queue_snd_id;
status = get_message_queue_id_recv( &queue_rcv_id );
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("in ACTN *** ERR get_message_queue_id_recv %d\n", status)
}
status = get_message_queue_id_send( &queue_snd_id );
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("in ACTN *** ERR get_message_queue_id_send %d\n", status)
}
result = LFR_SUCCESSFUL;
subtype = 0; // subtype of the current TC packet
BOOT_PRINTF("in ACTN *** \n")
while(1)
{
status = rtems_message_queue_receive( queue_rcv_id, (char*) &TC, &size,
RTEMS_WAIT, RTEMS_NO_TIMEOUT);
getTime( time ); // set time to the current time
if (status!=RTEMS_SUCCESSFUL)
{
PRINTF1("ERR *** in task ACTN *** error receiving a message, code %d \n", status)
}
else
{
subtype = TC.serviceSubType;
switch(subtype)
{
case TC_SUBTYPE_RESET:
result = action_reset( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_LOAD_COMM:
result = action_load_common_par( &TC );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_LOAD_NORM:
result = action_load_normal_par( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_LOAD_BURST:
result = action_load_burst_par( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_LOAD_SBM1:
result = action_load_sbm1_par( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_LOAD_SBM2:
result = action_load_sbm2_par( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_DUMP:
result = action_dump_par( &TC, queue_snd_id );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_ENTER:
result = action_enter_mode( &TC, queue_snd_id );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_UPDT_INFO:
result = action_update_info( &TC, queue_snd_id );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_EN_CAL:
result = action_enable_calibration( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_DIS_CAL:
result = action_disable_calibration( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_LOAD_K:
result = action_load_kcoefficients( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_DUMP_K:
result = action_dump_kcoefficients( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_LOAD_FBINS:
result = action_load_fbins_mask( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_LOAD_FILTER_PAR:
result = action_load_filter_par( &TC, queue_snd_id, time );
close_action( &TC, result, queue_snd_id );
break;
case TC_SUBTYPE_UPDT_TIME:
result = action_update_time( &TC );
close_action( &TC, result, queue_snd_id );
break;
default:
break;
}
}
}
}
//***********
// TC ACTIONS
int action_reset(ccsdsTelecommandPacket_t *TC, rtems_id queue_id, unsigned char *time)
{
/** This function executes specific actions when a TC_LFR_RESET TeleCommand has been received.
*
* @param TC points to the TeleCommand packet that is being processed
* @param queue_id is the id of the queue which handles TM transmission by the SpaceWire driver
*
*/
PRINTF("this is the end!!!\n");
exit(0);
send_tm_lfr_tc_exe_not_implemented( TC, queue_id, time );
return LFR_DEFAULT;
}
int action_enter_mode(ccsdsTelecommandPacket_t *TC, rtems_id queue_id )
{
/** This function executes specific actions when a TC_LFR_ENTER_MODE TeleCommand has been received.
*
* @param TC points to the TeleCommand packet that is being processed
* @param queue_id is the id of the queue which handles TM transmission by the SpaceWire driver
*
*/
rtems_status_code status;
unsigned char requestedMode;
unsigned int *transitionCoarseTime_ptr;
unsigned int transitionCoarseTime;
unsigned char * bytePosPtr;
bytePosPtr = (unsigned char *) &TC->packetID;
requestedMode = bytePosPtr[ BYTE_POS_CP_MODE_LFR_SET ];
transitionCoarseTime_ptr = (unsigned int *) ( &bytePosPtr[ BYTE_POS_CP_LFR_ENTER_MODE_TIME ] );
transitionCoarseTime = (*transitionCoarseTime_ptr) & 0x7fffffff;
status = check_mode_value( requestedMode );
if ( status != LFR_SUCCESSFUL ) // the mode value is inconsistent
{
send_tm_lfr_tc_exe_inconsistent( TC, queue_id, BYTE_POS_CP_MODE_LFR_SET, requestedMode );
}
else // the mode value is valid, check the transition
{
status = check_mode_transition(requestedMode);
if (status != LFR_SUCCESSFUL)
{
PRINTF("ERR *** in action_enter_mode *** check_mode_transition\n")
send_tm_lfr_tc_exe_not_executable( TC, queue_id );
}
}
if ( status == LFR_SUCCESSFUL ) // the transition is valid, check the date
{
status = check_transition_date( transitionCoarseTime );
if (status != LFR_SUCCESSFUL)
{
PRINTF("ERR *** in action_enter_mode *** check_transition_date\n");
send_tm_lfr_tc_exe_not_executable(TC, queue_id );
}
}
if ( status == LFR_SUCCESSFUL ) // the date is valid, enter the mode
{
PRINTF1("OK *** in action_enter_mode *** enter mode %d\n", requestedMode);
switch(requestedMode)
{
case LFR_MODE_STANDBY:
status = enter_mode_standby();
break;
case LFR_MODE_NORMAL:
status = enter_mode_normal( transitionCoarseTime );
break;
case LFR_MODE_BURST:
status = enter_mode_burst( transitionCoarseTime );
break;
case LFR_MODE_SBM1:
status = enter_mode_sbm1( transitionCoarseTime );
break;
case LFR_MODE_SBM2:
status = enter_mode_sbm2( transitionCoarseTime );
break;
default:
break;
}
if (status != RTEMS_SUCCESSFUL)
{
status = LFR_EXE_ERROR;
}
}
return status;
}
int action_update_info(ccsdsTelecommandPacket_t *TC, rtems_id queue_id)
{
/** This function executes specific actions when a TC_LFR_UPDATE_INFO TeleCommand has been received.
*
* @param TC points to the TeleCommand packet that is being processed
* @param queue_id is the id of the queue which handles TM transmission by the SpaceWire driver
*
* @return LFR directive status code:
* - LFR_DEFAULT
* - LFR_SUCCESSFUL
*
*/
unsigned int val;
int result;
unsigned int status;
unsigned char mode;
unsigned char * bytePosPtr;
bytePosPtr = (unsigned char *) &TC->packetID;
// check LFR mode
mode = (bytePosPtr[ BYTE_POS_UPDATE_INFO_PARAMETERS_SET5 ] & 0x1e) >> 1;
status = check_update_info_hk_lfr_mode( mode );
if (status == LFR_SUCCESSFUL) // check TDS mode
{
mode = (bytePosPtr[ BYTE_POS_UPDATE_INFO_PARAMETERS_SET6 ] & 0xf0) >> 4;
status = check_update_info_hk_tds_mode( mode );
}
if (status == LFR_SUCCESSFUL) // check THR mode
{
mode = (bytePosPtr[ BYTE_POS_UPDATE_INFO_PARAMETERS_SET6 ] & 0x0f);
status = check_update_info_hk_thr_mode( mode );
}
if (status == LFR_SUCCESSFUL) // if the parameter check is successful
{
val = housekeeping_packet.hk_lfr_update_info_tc_cnt[0] * 256
+ housekeeping_packet.hk_lfr_update_info_tc_cnt[1];
val++;
housekeeping_packet.hk_lfr_update_info_tc_cnt[0] = (unsigned char) (val >> 8);
housekeeping_packet.hk_lfr_update_info_tc_cnt[1] = (unsigned char) (val);
}
// pa_bia_status_info
// => pa_bia_mode_mux_set 3 bits
// => pa_bia_mode_hv_enabled 1 bit
// => pa_bia_mode_bias1_enabled 1 bit
// => pa_bia_mode_bias2_enabled 1 bit
// => pa_bia_mode_bias3_enabled 1 bit
// => pa_bia_on_off (cp_dpu_bias_on_off)
pa_bia_status_info = bytePosPtr[ BYTE_POS_UPDATE_INFO_PARAMETERS_SET2 ] & 0xfe; // [1111 1110]
pa_bia_status_info = pa_bia_status_info
| (bytePosPtr[ BYTE_POS_UPDATE_INFO_PARAMETERS_SET1 ] & 0x1);
// REACTION_WHEELS_FREQUENCY, copy the incoming parameters in the local variable (to be copied in HK packets)
cp_rpw_sc_rw_f_flags = bytePosPtr[ BYTE_POS_UPDATE_INFO_CP_RPW_SC_RW_F_FLAGS ];
getReactionWheelsFrequencies( TC );
build_rw_fbins_masks();
result = status;
return result;
}
int action_enable_calibration(ccsdsTelecommandPacket_t *TC, rtems_id queue_id, unsigned char *time)
{
/** This function executes specific actions when a TC_LFR_ENABLE_CALIBRATION TeleCommand has been received.
*
* @param TC points to the TeleCommand packet that is being processed
* @param queue_id is the id of the queue which handles TM transmission by the SpaceWire driver
*
*/
int result;
result = LFR_DEFAULT;
setCalibration( true );
result = LFR_SUCCESSFUL;
return result;
}
int action_disable_calibration(ccsdsTelecommandPacket_t *TC, rtems_id queue_id, unsigned char *time)
{
/** This function executes specific actions when a TC_LFR_DISABLE_CALIBRATION TeleCommand has been received.
*
* @param TC points to the TeleCommand packet that is being processed
* @param queue_id is the id of the queue which handles TM transmission by the SpaceWire driver
*
*/
int result;
result = LFR_DEFAULT;
setCalibration( false );
result = LFR_SUCCESSFUL;
return result;
}
int action_update_time(ccsdsTelecommandPacket_t *TC)
{
/** This function executes specific actions when a TC_LFR_UPDATE_TIME TeleCommand has been received.
*
* @param TC points to the TeleCommand packet that is being processed
* @param queue_id is the id of the queue which handles TM transmission by the SpaceWire driver
*
* @return LFR_SUCCESSFUL
*
*/
unsigned int val;
time_management_regs->coarse_time_load = (TC->dataAndCRC[0] << 24)
+ (TC->dataAndCRC[1] << 16)
+ (TC->dataAndCRC[2] << 8)
+ TC->dataAndCRC[3];
val = housekeeping_packet.hk_lfr_update_time_tc_cnt[0] * 256
+ housekeeping_packet.hk_lfr_update_time_tc_cnt[1];
val++;
housekeeping_packet.hk_lfr_update_time_tc_cnt[0] = (unsigned char) (val >> 8);
housekeeping_packet.hk_lfr_update_time_tc_cnt[1] = (unsigned char) (val);
oneTcLfrUpdateTimeReceived = 1;
return LFR_SUCCESSFUL;
}
//*******************
// ENTERING THE MODES
int check_mode_value( unsigned char requestedMode )
{
int status;
if ( (requestedMode != LFR_MODE_STANDBY)
&& (requestedMode != LFR_MODE_NORMAL) && (requestedMode != LFR_MODE_BURST)
&& (requestedMode != LFR_MODE_SBM1) && (requestedMode != LFR_MODE_SBM2) )
{
status = LFR_DEFAULT;
}
else
{
status = LFR_SUCCESSFUL;
}
return status;
}
int check_mode_transition( unsigned char requestedMode )
{
/** This function checks the validity of the transition requested by the TC_LFR_ENTER_MODE.
*
* @param requestedMode is the mode requested by the TC_LFR_ENTER_MODE
*
* @return LFR directive status codes:
* - LFR_SUCCESSFUL - the transition is authorized
* - LFR_DEFAULT - the transition is not authorized
*
*/
int status;
switch (requestedMode)
{
case LFR_MODE_STANDBY:
if ( lfrCurrentMode == LFR_MODE_STANDBY ) {
status = LFR_DEFAULT;
}
else
{
status = LFR_SUCCESSFUL;
}
break;
case LFR_MODE_NORMAL:
if ( lfrCurrentMode == LFR_MODE_NORMAL ) {
status = LFR_DEFAULT;
}
else {
status = LFR_SUCCESSFUL;
}
break;
case LFR_MODE_BURST:
if ( lfrCurrentMode == LFR_MODE_BURST ) {
status = LFR_DEFAULT;
}
else {
status = LFR_SUCCESSFUL;
}
break;
case LFR_MODE_SBM1:
if ( lfrCurrentMode == LFR_MODE_SBM1 ) {
status = LFR_DEFAULT;
}
else {
status = LFR_SUCCESSFUL;
}
break;
case LFR_MODE_SBM2:
if ( lfrCurrentMode == LFR_MODE_SBM2 ) {
status = LFR_DEFAULT;
}
else {
status = LFR_SUCCESSFUL;
}
break;
default:
status = LFR_DEFAULT;
break;
}
return status;
}
void update_last_valid_transition_date( unsigned int transitionCoarseTime )
{
if (transitionCoarseTime == 0)
{
lastValidEnterModeTime = time_management_regs->coarse_time + 1;
PRINTF1("lastValidEnterModeTime = 0x%x (transitionCoarseTime = 0 => coarse_time+1)\n", lastValidEnterModeTime);
}
else
{
lastValidEnterModeTime = transitionCoarseTime;
PRINTF1("lastValidEnterModeTime = 0x%x\n", transitionCoarseTime);
}
}
int check_transition_date( unsigned int transitionCoarseTime )
{
int status;
unsigned int localCoarseTime;
unsigned int deltaCoarseTime;
status = LFR_SUCCESSFUL;
if (transitionCoarseTime == 0) // transition time = 0 means an instant transition
{
status = LFR_SUCCESSFUL;
}
else
{
localCoarseTime = time_management_regs->coarse_time & 0x7fffffff;
PRINTF2("localTime = %x, transitionTime = %x\n", localCoarseTime, transitionCoarseTime);
if ( transitionCoarseTime <= localCoarseTime ) // SSS-CP-EQS-322
{
status = LFR_DEFAULT;
PRINTF("ERR *** in check_transition_date *** transitionCoarseTime <= localCoarseTime\n");
}
if (status == LFR_SUCCESSFUL)
{
deltaCoarseTime = transitionCoarseTime - localCoarseTime;
if ( deltaCoarseTime > 3 ) // SSS-CP-EQS-323
{
status = LFR_DEFAULT;
PRINTF1("ERR *** in check_transition_date *** deltaCoarseTime = %x\n", deltaCoarseTime)
}
}
}
return status;
}
int restart_asm_activities( unsigned char lfrRequestedMode )
{
rtems_status_code status;
status = stop_spectral_matrices();
thisIsAnASMRestart = 1;
status = restart_asm_tasks( lfrRequestedMode );
launch_spectral_matrix();
return status;
}
int stop_spectral_matrices( void )
{
/** This function stops and restarts the current mode average spectral matrices activities.
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_ALREADY_SUSPENDED - task already suspended
*
*/
rtems_status_code status;
status = RTEMS_SUCCESSFUL;
// (1) mask interruptions
LEON_Mask_interrupt( IRQ_SPECTRAL_MATRIX ); // mask spectral matrix interrupt
// (2) reset spectral matrices registers
set_sm_irq_onNewMatrix( 0 ); // stop the spectral matrices
reset_sm_status();
// (3) clear interruptions
LEON_Clear_interrupt( IRQ_SPECTRAL_MATRIX ); // clear spectral matrix interrupt
// suspend several tasks
if (lfrCurrentMode != LFR_MODE_STANDBY) {
status = suspend_asm_tasks();
}
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("in stop_current_mode *** in suspend_science_tasks *** ERR code: %d\n", status)
}
return status;
}
int stop_current_mode( void )
{
/** This function stops the current mode by masking interrupt lines and suspending science tasks.
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_ALREADY_SUSPENDED - task already suspended
*
*/
rtems_status_code status;
status = RTEMS_SUCCESSFUL;
// (1) mask interruptions
LEON_Mask_interrupt( IRQ_WAVEFORM_PICKER ); // mask waveform picker interrupt
LEON_Mask_interrupt( IRQ_SPECTRAL_MATRIX ); // clear spectral matrix interrupt
// (2) reset waveform picker registers
reset_wfp_burst_enable(); // reset burst and enable bits
reset_wfp_status(); // reset all the status bits
// (3) reset spectral matrices registers
set_sm_irq_onNewMatrix( 0 ); // stop the spectral matrices
reset_sm_status();
// reset lfr VHDL module
reset_lfr();
reset_extractSWF(); // reset the extractSWF flag to false
// (4) clear interruptions
LEON_Clear_interrupt( IRQ_WAVEFORM_PICKER ); // clear waveform picker interrupt
LEON_Clear_interrupt( IRQ_SPECTRAL_MATRIX ); // clear spectral matrix interrupt
// suspend several tasks
if (lfrCurrentMode != LFR_MODE_STANDBY) {
status = suspend_science_tasks();
}
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("in stop_current_mode *** in suspend_science_tasks *** ERR code: %d\n", status)
}
return status;
}
int enter_mode_standby( void )
{
/** This function is used to put LFR in the STANDBY mode.
*
* @param transitionCoarseTime is the requested transition time contained in the TC_LFR_ENTER_MODE
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_INCORRECT_STATE - task never started
* - RTEMS_ILLEGAL_ON_REMOTE_OBJECT - cannot restart remote task
*
* The STANDBY mode does not depends on a specific transition date, the effect of the TC_LFR_ENTER_MODE
* is immediate.
*
*/
int status;
status = stop_current_mode(); // STOP THE CURRENT MODE
#ifdef PRINT_TASK_STATISTICS
rtems_cpu_usage_report();
#endif
#ifdef PRINT_STACK_REPORT
PRINTF("stack report selected\n")
rtems_stack_checker_report_usage();
#endif
return status;
}
int enter_mode_normal( unsigned int transitionCoarseTime )
{
/** This function is used to start the NORMAL mode.
*
* @param transitionCoarseTime is the requested transition time contained in the TC_LFR_ENTER_MODE
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_INCORRECT_STATE - task never started
* - RTEMS_ILLEGAL_ON_REMOTE_OBJECT - cannot restart remote task
*
* The way the NORMAL mode is started depends on the LFR current mode. If LFR is in SBM1 or SBM2,
* the snapshots are not restarted, only ASM, BP and CWF data generation are affected.
*
*/
int status;
#ifdef PRINT_TASK_STATISTICS
rtems_cpu_usage_reset();
#endif
status = RTEMS_UNSATISFIED;
switch( lfrCurrentMode )
{
case LFR_MODE_STANDBY:
status = restart_science_tasks( LFR_MODE_NORMAL ); // restart science tasks
if (status == RTEMS_SUCCESSFUL) // relaunch spectral_matrix and waveform_picker modules
{
launch_spectral_matrix( );
launch_waveform_picker( LFR_MODE_NORMAL, transitionCoarseTime );
}
break;
case LFR_MODE_BURST:
status = stop_current_mode(); // stop the current mode
status = restart_science_tasks( LFR_MODE_NORMAL ); // restart the science tasks
if (status == RTEMS_SUCCESSFUL) // relaunch spectral_matrix and waveform_picker modules
{
launch_spectral_matrix( );
launch_waveform_picker( LFR_MODE_NORMAL, transitionCoarseTime );
}
break;
case LFR_MODE_SBM1:
status = restart_asm_activities( LFR_MODE_NORMAL ); // this is necessary to restart ASM tasks to update the parameters
status = LFR_SUCCESSFUL; // lfrCurrentMode will be updated after the execution of close_action
update_last_valid_transition_date( transitionCoarseTime );
break;
case LFR_MODE_SBM2:
status = restart_asm_activities( LFR_MODE_NORMAL ); // this is necessary to restart ASM tasks to update the parameters
status = LFR_SUCCESSFUL; // lfrCurrentMode will be updated after the execution of close_action
update_last_valid_transition_date( transitionCoarseTime );
break;
default:
break;
}
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("ERR *** in enter_mode_normal *** status = %d\n", status)
status = RTEMS_UNSATISFIED;
}
return status;
}
int enter_mode_burst( unsigned int transitionCoarseTime )
{
/** This function is used to start the BURST mode.
*
* @param transitionCoarseTime is the requested transition time contained in the TC_LFR_ENTER_MODE
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_INCORRECT_STATE - task never started
* - RTEMS_ILLEGAL_ON_REMOTE_OBJECT - cannot restart remote task
*
* The way the BURST mode is started does not depend on the LFR current mode.
*
*/
int status;
#ifdef PRINT_TASK_STATISTICS
rtems_cpu_usage_reset();
#endif
status = stop_current_mode(); // stop the current mode
status = restart_science_tasks( LFR_MODE_BURST ); // restart the science tasks
if (status == RTEMS_SUCCESSFUL) // relaunch spectral_matrix and waveform_picker modules
{
launch_spectral_matrix( );
launch_waveform_picker( LFR_MODE_BURST, transitionCoarseTime );
}
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("ERR *** in enter_mode_burst *** status = %d\n", status)
status = RTEMS_UNSATISFIED;
}
return status;
}
int enter_mode_sbm1( unsigned int transitionCoarseTime )
{
/** This function is used to start the SBM1 mode.
*
* @param transitionCoarseTime is the requested transition time contained in the TC_LFR_ENTER_MODE
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_INCORRECT_STATE - task never started
* - RTEMS_ILLEGAL_ON_REMOTE_OBJECT - cannot restart remote task
*
* The way the SBM1 mode is started depends on the LFR current mode. If LFR is in NORMAL or SBM2,
* the snapshots are not restarted, only ASM, BP and CWF data generation are affected. In other
* cases, the acquisition is completely restarted.
*
*/
int status;
#ifdef PRINT_TASK_STATISTICS
rtems_cpu_usage_reset();
#endif
status = RTEMS_UNSATISFIED;
switch( lfrCurrentMode )
{
case LFR_MODE_STANDBY:
status = restart_science_tasks( LFR_MODE_SBM1 ); // restart science tasks
if (status == RTEMS_SUCCESSFUL) // relaunch spectral_matrix and waveform_picker modules
{
launch_spectral_matrix( );
launch_waveform_picker( LFR_MODE_SBM1, transitionCoarseTime );
}
break;
case LFR_MODE_NORMAL: // lfrCurrentMode will be updated after the execution of close_action
status = restart_asm_activities( LFR_MODE_SBM1 );
status = LFR_SUCCESSFUL;
update_last_valid_transition_date( transitionCoarseTime );
break;
case LFR_MODE_BURST:
status = stop_current_mode(); // stop the current mode
status = restart_science_tasks( LFR_MODE_SBM1 ); // restart the science tasks
if (status == RTEMS_SUCCESSFUL) // relaunch spectral_matrix and waveform_picker modules
{
launch_spectral_matrix( );
launch_waveform_picker( LFR_MODE_SBM1, transitionCoarseTime );
}
break;
case LFR_MODE_SBM2:
status = restart_asm_activities( LFR_MODE_SBM1 );
status = LFR_SUCCESSFUL; // lfrCurrentMode will be updated after the execution of close_action
update_last_valid_transition_date( transitionCoarseTime );
break;
default:
break;
}
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("ERR *** in enter_mode_sbm1 *** status = %d\n", status);
status = RTEMS_UNSATISFIED;
}
return status;
}
int enter_mode_sbm2( unsigned int transitionCoarseTime )
{
/** This function is used to start the SBM2 mode.
*
* @param transitionCoarseTime is the requested transition time contained in the TC_LFR_ENTER_MODE
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_INCORRECT_STATE - task never started
* - RTEMS_ILLEGAL_ON_REMOTE_OBJECT - cannot restart remote task
*
* The way the SBM2 mode is started depends on the LFR current mode. If LFR is in NORMAL or SBM1,
* the snapshots are not restarted, only ASM, BP and CWF data generation are affected. In other
* cases, the acquisition is completely restarted.
*
*/
int status;
#ifdef PRINT_TASK_STATISTICS
rtems_cpu_usage_reset();
#endif
status = RTEMS_UNSATISFIED;
switch( lfrCurrentMode )
{
case LFR_MODE_STANDBY:
status = restart_science_tasks( LFR_MODE_SBM2 ); // restart science tasks
if (status == RTEMS_SUCCESSFUL) // relaunch spectral_matrix and waveform_picker modules
{
launch_spectral_matrix( );
launch_waveform_picker( LFR_MODE_SBM2, transitionCoarseTime );
}
break;
case LFR_MODE_NORMAL:
status = restart_asm_activities( LFR_MODE_SBM2 );
status = LFR_SUCCESSFUL; // lfrCurrentMode will be updated after the execution of close_action
update_last_valid_transition_date( transitionCoarseTime );
break;
case LFR_MODE_BURST:
status = stop_current_mode(); // stop the current mode
status = restart_science_tasks( LFR_MODE_SBM2 ); // restart the science tasks
if (status == RTEMS_SUCCESSFUL) // relaunch spectral_matrix and waveform_picker modules
{
launch_spectral_matrix( );
launch_waveform_picker( LFR_MODE_SBM2, transitionCoarseTime );
}
break;
case LFR_MODE_SBM1:
status = restart_asm_activities( LFR_MODE_SBM2 );
status = LFR_SUCCESSFUL; // lfrCurrentMode will be updated after the execution of close_action
update_last_valid_transition_date( transitionCoarseTime );
break;
default:
break;
}
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("ERR *** in enter_mode_sbm2 *** status = %d\n", status)
status = RTEMS_UNSATISFIED;
}
return status;
}
int restart_science_tasks( unsigned char lfrRequestedMode )
{
/** This function is used to restart all science tasks.
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_INCORRECT_STATE - task never started
* - RTEMS_ILLEGAL_ON_REMOTE_OBJECT - cannot restart remote task
*
* Science tasks are AVF0, PRC0, WFRM, CWF3, CW2, CWF1
*
*/
rtems_status_code status[10];
rtems_status_code ret;
ret = RTEMS_SUCCESSFUL;
status[0] = rtems_task_restart( Task_id[TASKID_AVF0], lfrRequestedMode );
if (status[0] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** AVF0 ERR %d\n", status[0])
}
status[1] = rtems_task_restart( Task_id[TASKID_PRC0], lfrRequestedMode );
if (status[1] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** PRC0 ERR %d\n", status[1])
}
status[2] = rtems_task_restart( Task_id[TASKID_WFRM],1 );
if (status[2] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** WFRM ERR %d\n", status[2])
}
status[3] = rtems_task_restart( Task_id[TASKID_CWF3],1 );
if (status[3] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** CWF3 ERR %d\n", status[3])
}
status[4] = rtems_task_restart( Task_id[TASKID_CWF2],1 );
if (status[4] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** CWF2 ERR %d\n", status[4])
}
status[5] = rtems_task_restart( Task_id[TASKID_CWF1],1 );
if (status[5] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** CWF1 ERR %d\n", status[5])
}
status[6] = rtems_task_restart( Task_id[TASKID_AVF1], lfrRequestedMode );
if (status[6] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** AVF1 ERR %d\n", status[6])
}
status[7] = rtems_task_restart( Task_id[TASKID_PRC1],lfrRequestedMode );
if (status[7] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** PRC1 ERR %d\n", status[7])
}
status[8] = rtems_task_restart( Task_id[TASKID_AVF2], 1 );
if (status[8] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** AVF2 ERR %d\n", status[8])
}
status[9] = rtems_task_restart( Task_id[TASKID_PRC2], 1 );
if (status[9] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** PRC2 ERR %d\n", status[9])
}
if ( (status[0] != RTEMS_SUCCESSFUL) || (status[1] != RTEMS_SUCCESSFUL) ||
(status[2] != RTEMS_SUCCESSFUL) || (status[3] != RTEMS_SUCCESSFUL) ||
(status[4] != RTEMS_SUCCESSFUL) || (status[5] != RTEMS_SUCCESSFUL) ||
(status[6] != RTEMS_SUCCESSFUL) || (status[7] != RTEMS_SUCCESSFUL) ||
(status[8] != RTEMS_SUCCESSFUL) || (status[9] != RTEMS_SUCCESSFUL) )
{
ret = RTEMS_UNSATISFIED;
}
return ret;
}
int restart_asm_tasks( unsigned char lfrRequestedMode )
{
/** This function is used to restart average spectral matrices tasks.
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_INCORRECT_STATE - task never started
* - RTEMS_ILLEGAL_ON_REMOTE_OBJECT - cannot restart remote task
*
* ASM tasks are AVF0, PRC0, AVF1, PRC1, AVF2 and PRC2
*
*/
rtems_status_code status[6];
rtems_status_code ret;
ret = RTEMS_SUCCESSFUL;
status[0] = rtems_task_restart( Task_id[TASKID_AVF0], lfrRequestedMode );
if (status[0] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** AVF0 ERR %d\n", status[0])
}
status[1] = rtems_task_restart( Task_id[TASKID_PRC0], lfrRequestedMode );
if (status[1] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** PRC0 ERR %d\n", status[1])
}
status[2] = rtems_task_restart( Task_id[TASKID_AVF1], lfrRequestedMode );
if (status[2] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** AVF1 ERR %d\n", status[2])
}
status[3] = rtems_task_restart( Task_id[TASKID_PRC1],lfrRequestedMode );
if (status[3] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** PRC1 ERR %d\n", status[3])
}
status[4] = rtems_task_restart( Task_id[TASKID_AVF2], 1 );
if (status[4] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** AVF2 ERR %d\n", status[4])
}
status[5] = rtems_task_restart( Task_id[TASKID_PRC2], 1 );
if (status[5] != RTEMS_SUCCESSFUL)
{
PRINTF1("in restart_science_task *** PRC2 ERR %d\n", status[5])
}
if ( (status[0] != RTEMS_SUCCESSFUL) || (status[1] != RTEMS_SUCCESSFUL) ||
(status[2] != RTEMS_SUCCESSFUL) || (status[3] != RTEMS_SUCCESSFUL) ||
(status[4] != RTEMS_SUCCESSFUL) || (status[5] != RTEMS_SUCCESSFUL) )
{
ret = RTEMS_UNSATISFIED;
}
return ret;
}
int suspend_science_tasks( void )
{
/** This function suspends the science tasks.
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_ALREADY_SUSPENDED - task already suspended
*
*/
rtems_status_code status;
PRINTF("in suspend_science_tasks\n")
status = rtems_task_suspend( Task_id[TASKID_AVF0] ); // suspend AVF0
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** AVF0 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
if (status == RTEMS_SUCCESSFUL) // suspend PRC0
{
status = rtems_task_suspend( Task_id[TASKID_PRC0] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** PRC0 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend AVF1
{
status = rtems_task_suspend( Task_id[TASKID_AVF1] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** AVF1 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend PRC1
{
status = rtems_task_suspend( Task_id[TASKID_PRC1] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** PRC1 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend AVF2
{
status = rtems_task_suspend( Task_id[TASKID_AVF2] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** AVF2 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend PRC2
{
status = rtems_task_suspend( Task_id[TASKID_PRC2] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** PRC2 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend WFRM
{
status = rtems_task_suspend( Task_id[TASKID_WFRM] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** WFRM ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend CWF3
{
status = rtems_task_suspend( Task_id[TASKID_CWF3] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** CWF3 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend CWF2
{
status = rtems_task_suspend( Task_id[TASKID_CWF2] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** CWF2 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend CWF1
{
status = rtems_task_suspend( Task_id[TASKID_CWF1] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** CWF1 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
return status;
}
int suspend_asm_tasks( void )
{
/** This function suspends the science tasks.
*
* @return RTEMS directive status codes:
* - RTEMS_SUCCESSFUL - task restarted successfully
* - RTEMS_INVALID_ID - task id invalid
* - RTEMS_ALREADY_SUSPENDED - task already suspended
*
*/
rtems_status_code status;
PRINTF("in suspend_science_tasks\n")
status = rtems_task_suspend( Task_id[TASKID_AVF0] ); // suspend AVF0
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** AVF0 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
if (status == RTEMS_SUCCESSFUL) // suspend PRC0
{
status = rtems_task_suspend( Task_id[TASKID_PRC0] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** PRC0 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend AVF1
{
status = rtems_task_suspend( Task_id[TASKID_AVF1] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** AVF1 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend PRC1
{
status = rtems_task_suspend( Task_id[TASKID_PRC1] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** PRC1 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend AVF2
{
status = rtems_task_suspend( Task_id[TASKID_AVF2] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** AVF2 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
if (status == RTEMS_SUCCESSFUL) // suspend PRC2
{
status = rtems_task_suspend( Task_id[TASKID_PRC2] );
if ((status != RTEMS_SUCCESSFUL) && (status != RTEMS_ALREADY_SUSPENDED))
{
PRINTF1("in suspend_science_task *** PRC2 ERR %d\n", status)
}
else
{
status = RTEMS_SUCCESSFUL;
}
}
return status;
}
void launch_waveform_picker( unsigned char mode, unsigned int transitionCoarseTime )
{
WFP_reset_current_ring_nodes();
reset_waveform_picker_regs();
set_wfp_burst_enable_register( mode );
LEON_Clear_interrupt( IRQ_WAVEFORM_PICKER );
LEON_Unmask_interrupt( IRQ_WAVEFORM_PICKER );
if (transitionCoarseTime == 0)
{
// instant transition means transition on the next valid date
// this is mandatory to have a good snapshot period and a good correction of the snapshot period
waveform_picker_regs->start_date = time_management_regs->coarse_time + 1;
}
else
{
waveform_picker_regs->start_date = transitionCoarseTime;
}
update_last_valid_transition_date(waveform_picker_regs->start_date);
}
void launch_spectral_matrix( void )
{
SM_reset_current_ring_nodes();
reset_spectral_matrix_regs();
reset_nb_sm();
set_sm_irq_onNewMatrix( 1 );
LEON_Clear_interrupt( IRQ_SPECTRAL_MATRIX );
LEON_Unmask_interrupt( IRQ_SPECTRAL_MATRIX );
}
void set_sm_irq_onNewMatrix( unsigned char value )
{
if (value == 1)
{
spectral_matrix_regs->config = spectral_matrix_regs->config | 0x01;
}
else
{
spectral_matrix_regs->config = spectral_matrix_regs->config & 0xfffffffe; // 1110
}
}
void set_sm_irq_onError( unsigned char value )
{
if (value == 1)
{
spectral_matrix_regs->config = spectral_matrix_regs->config | 0x02;
}
else
{
spectral_matrix_regs->config = spectral_matrix_regs->config & 0xfffffffd; // 1101
}
}
//*****************************
// CONFIGURE CALIBRATION SIGNAL
void setCalibrationPrescaler( unsigned int prescaler )
{
// prescaling of the master clock (25 MHz)
// master clock is divided by 2^prescaler
time_management_regs->calPrescaler = prescaler;
}
void setCalibrationDivisor( unsigned int divisionFactor )
{
// division of the prescaled clock by the division factor
time_management_regs->calDivisor = divisionFactor;
}
void setCalibrationData( void ){
unsigned int k;
unsigned short data;
float val;
float f0;
float f1;
float fs;
float Ts;
float scaleFactor;
f0 = 625;
f1 = 10000;
fs = 160256.410;
Ts = 1. / fs;
scaleFactor = 0.250 / 0.000654; // 191, 500 mVpp, 2 sinus waves => 500 mVpp each, amplitude = 250 mV
time_management_regs->calDataPtr = 0x00;
// build the signal for the SCM calibration
for (k=0; k<256; k++)
{
val = sin( 2 * pi * f0 * k * Ts )
+ sin( 2 * pi * f1 * k * Ts );
data = (unsigned short) ((val * scaleFactor) + 2048);
time_management_regs->calData = data & 0xfff;
}
}
void setCalibrationDataInterleaved( void ){
unsigned int k;
float val;
float f0;
float f1;
float fs;
float Ts;
unsigned short data[384];
unsigned char *dataPtr;
f0 = 625;
f1 = 10000;
fs = 240384.615;
Ts = 1. / fs;
time_management_regs->calDataPtr = 0x00;
// build the signal for the SCM calibration
for (k=0; k<384; k++)
{
val = sin( 2 * pi * f0 * k * Ts )
+ sin( 2 * pi * f1 * k * Ts );
data[k] = (unsigned short) (val * 512 + 2048);
}
// write the signal in interleaved mode
for (k=0; k<128; k++)
{
dataPtr = (unsigned char*) &data[k*3 + 2];
time_management_regs->calData = (data[k*3] & 0xfff)
+ ( (dataPtr[0] & 0x3f) << 12);
time_management_regs->calData = (data[k*3 + 1] & 0xfff)
+ ( (dataPtr[1] & 0x3f) << 12);
}
}
void setCalibrationReload( bool state)
{
if (state == true)
{
time_management_regs->calDACCtrl = time_management_regs->calDACCtrl | 0x00000010; // [0001 0000]
}
else
{
time_management_regs->calDACCtrl = time_management_regs->calDACCtrl & 0xffffffef; // [1110 1111]
}
}
void setCalibrationEnable( bool state )
{
// this bit drives the multiplexer
if (state == true)
{
time_management_regs->calDACCtrl = time_management_regs->calDACCtrl | 0x00000040; // [0100 0000]
}
else
{
time_management_regs->calDACCtrl = time_management_regs->calDACCtrl & 0xffffffbf; // [1011 1111]
}
}
void setCalibrationInterleaved( bool state )
{
// this bit drives the multiplexer
if (state == true)
{
time_management_regs->calDACCtrl = time_management_regs->calDACCtrl | 0x00000020; // [0010 0000]
}
else
{
time_management_regs->calDACCtrl = time_management_regs->calDACCtrl & 0xffffffdf; // [1101 1111]
}
}
void setCalibration( bool state )
{
if (state == true)
{
setCalibrationEnable( true );
setCalibrationReload( false );
set_hk_lfr_calib_enable( true );
}
else
{
setCalibrationEnable( false );
setCalibrationReload( true );
set_hk_lfr_calib_enable( false );
}
}
void configureCalibration( bool interleaved )
{
setCalibration( false );
if ( interleaved == true )
{
setCalibrationInterleaved( true );
setCalibrationPrescaler( 0 ); // 25 MHz => 25 000 000
setCalibrationDivisor( 26 ); // => 240 384
setCalibrationDataInterleaved();
}
else
{
setCalibrationPrescaler( 0 ); // 25 MHz => 25 000 000
setCalibrationDivisor( 38 ); // => 160 256 (39 - 1)
setCalibrationData();
}
}
//****************
// CLOSING ACTIONS
void update_last_TC_exe( ccsdsTelecommandPacket_t *TC, unsigned char * time )
{
/** This function is used to update the HK packets statistics after a successful TC execution.
*
* @param TC points to the TC being processed
* @param time is the time used to date the TC execution
*
*/
unsigned int val;
housekeeping_packet.hk_lfr_last_exe_tc_id[0] = TC->packetID[0];
housekeeping_packet.hk_lfr_last_exe_tc_id[1] = TC->packetID[1];
housekeeping_packet.hk_lfr_last_exe_tc_type[0] = 0x00;
housekeeping_packet.hk_lfr_last_exe_tc_type[1] = TC->serviceType;
housekeeping_packet.hk_lfr_last_exe_tc_subtype[0] = 0x00;
housekeeping_packet.hk_lfr_last_exe_tc_subtype[1] = TC->serviceSubType;
housekeeping_packet.hk_lfr_last_exe_tc_time[0] = time[0];
housekeeping_packet.hk_lfr_last_exe_tc_time[1] = time[1];
housekeeping_packet.hk_lfr_last_exe_tc_time[2] = time[2];
housekeeping_packet.hk_lfr_last_exe_tc_time[3] = time[3];
housekeeping_packet.hk_lfr_last_exe_tc_time[4] = time[4];
housekeeping_packet.hk_lfr_last_exe_tc_time[5] = time[5];
val = housekeeping_packet.hk_lfr_exe_tc_cnt[0] * 256 + housekeeping_packet.hk_lfr_exe_tc_cnt[1];
val++;
housekeeping_packet.hk_lfr_exe_tc_cnt[0] = (unsigned char) (val >> 8);
housekeeping_packet.hk_lfr_exe_tc_cnt[1] = (unsigned char) (val);
}
void update_last_TC_rej(ccsdsTelecommandPacket_t *TC, unsigned char * time )
{
/** This function is used to update the HK packets statistics after a TC rejection.
*
* @param TC points to the TC being processed
* @param time is the time used to date the TC rejection
*
*/
unsigned int val;
housekeeping_packet.hk_lfr_last_rej_tc_id[0] = TC->packetID[0];
housekeeping_packet.hk_lfr_last_rej_tc_id[1] = TC->packetID[1];
housekeeping_packet.hk_lfr_last_rej_tc_type[0] = 0x00;
housekeeping_packet.hk_lfr_last_rej_tc_type[1] = TC->serviceType;
housekeeping_packet.hk_lfr_last_rej_tc_subtype[0] = 0x00;
housekeeping_packet.hk_lfr_last_rej_tc_subtype[1] = TC->serviceSubType;
housekeeping_packet.hk_lfr_last_rej_tc_time[0] = time[0];
housekeeping_packet.hk_lfr_last_rej_tc_time[1] = time[1];
housekeeping_packet.hk_lfr_last_rej_tc_time[2] = time[2];
housekeeping_packet.hk_lfr_last_rej_tc_time[3] = time[3];
housekeeping_packet.hk_lfr_last_rej_tc_time[4] = time[4];
housekeeping_packet.hk_lfr_last_rej_tc_time[5] = time[5];
val = housekeeping_packet.hk_lfr_rej_tc_cnt[0] * 256 + housekeeping_packet.hk_lfr_rej_tc_cnt[1];
val++;
housekeeping_packet.hk_lfr_rej_tc_cnt[0] = (unsigned char) (val >> 8);
housekeeping_packet.hk_lfr_rej_tc_cnt[1] = (unsigned char) (val);
}
void close_action(ccsdsTelecommandPacket_t *TC, int result, rtems_id queue_id )
{
/** This function is the last step of the TC execution workflow.
*
* @param TC points to the TC being processed
* @param result is the result of the TC execution (LFR_SUCCESSFUL / LFR_DEFAULT)
* @param queue_id is the id of the RTEMS message queue used to send TM packets
* @param time is the time used to date the TC execution
*
*/
unsigned char requestedMode;
if (result == LFR_SUCCESSFUL)
{
if ( !( (TC->serviceType==TC_TYPE_TIME) & (TC->serviceSubType==TC_SUBTYPE_UPDT_TIME) )
&
!( (TC->serviceType==TC_TYPE_GEN) & (TC->serviceSubType==TC_SUBTYPE_UPDT_INFO))
)
{
send_tm_lfr_tc_exe_success( TC, queue_id );
}
if ( (TC->serviceType == TC_TYPE_GEN) & (TC->serviceSubType == TC_SUBTYPE_ENTER) )
{
//**********************************
// UPDATE THE LFRMODE LOCAL VARIABLE
requestedMode = TC->dataAndCRC[1];
updateLFRCurrentMode( requestedMode );
}
}
else if (result == LFR_EXE_ERROR)
{
send_tm_lfr_tc_exe_error( TC, queue_id );
}
}
//***************************
// Interrupt Service Routines
rtems_isr commutation_isr1( rtems_vector_number vector )
{
if (rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) {
PRINTF("In commutation_isr1 *** Error sending event to DUMB\n")
}
}
rtems_isr commutation_isr2( rtems_vector_number vector )
{
if (rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_0 ) != RTEMS_SUCCESSFUL) {
PRINTF("In commutation_isr2 *** Error sending event to DUMB\n")
}
}
//****************
// OTHER FUNCTIONS
void updateLFRCurrentMode( unsigned char requestedMode )
{
/** This function updates the value of the global variable lfrCurrentMode.
*
* lfrCurrentMode is a parameter used by several functions to know in which mode LFR is running.
*
*/
// update the local value of lfrCurrentMode with the value contained in the housekeeping_packet structure
housekeeping_packet.lfr_status_word[0] = (unsigned char) ((requestedMode << 4) + 0x0d);
lfrCurrentMode = requestedMode;
}
void set_lfr_soft_reset( unsigned char value )
{
if (value == 1)
{
time_management_regs->ctrl = time_management_regs->ctrl | 0x00000004; // [0100]
}
else
{
time_management_regs->ctrl = time_management_regs->ctrl & 0xfffffffb; // [1011]
}
}
void reset_lfr( void )
{
set_lfr_soft_reset( 1 );
set_lfr_soft_reset( 0 );
set_hk_lfr_sc_potential_flag( true );
}