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fsw_misc.c
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/** General usage functions and RTEMS tasks.
*
* @file
* @author P. LEROY
*
*/
#include "fsw_misc.h"
char *DumbMessages[7] = {"in DUMB *** default", // RTEMS_EVENT_0
"in DUMB *** timecode_irq_handler", // RTEMS_EVENT_1
"in DUMB *** waveforms_isr", // RTEMS_EVENT_2
"in DUMB *** in SMIQ *** Error sending event to AVF0", // RTEMS_EVENT_3
"in DUMB *** spectral_matrices_isr *** Error sending event to SMIQ", // RTEMS_EVENT_4
"in DUMB *** waveforms_simulator_isr", // RTEMS_EVENT_5
"ERR HK" // RTEMS_EVENT_6
};
int configure_timer(gptimer_regs_t *gptimer_regs, unsigned char timer, unsigned int clock_divider,
unsigned char interrupt_level, rtems_isr (*timer_isr)() )
{
/** This function configures a GPTIMER timer instantiated in the VHDL design.
*
* @param gptimer_regs points to the APB registers of the GPTIMER IP core.
* @param timer is the number of the timer in the IP core (several timers can be instantiated).
* @param clock_divider is the divider of the 1 MHz clock that will be configured.
* @param interrupt_level is the interrupt level that the timer drives.
* @param timer_isr is the interrupt subroutine that will be attached to the IRQ driven by the timer.
*
* @return
*
* Interrupt levels are described in the SPARC documentation sparcv8.pdf p.76
*
*/
rtems_status_code status;
rtems_isr_entry old_isr_handler;
status = rtems_interrupt_catch( timer_isr, interrupt_level, &old_isr_handler) ; // see sparcv8.pdf p.76 for interrupt levels
if (status!=RTEMS_SUCCESSFUL)
{
PRINTF("in configure_timer *** ERR rtems_interrupt_catch\n")
}
timer_set_clock_divider( gptimer_regs, timer, clock_divider);
return 1;
}
int timer_start(gptimer_regs_t *gptimer_regs, unsigned char timer)
{
/** This function starts a GPTIMER timer.
*
* @param gptimer_regs points to the APB registers of the GPTIMER IP core.
* @param timer is the number of the timer in the IP core (several timers can be instantiated).
*
* @return 1
*
*/
gptimer_regs->timer[timer].ctrl = gptimer_regs->timer[timer].ctrl | 0x00000010; // clear pending IRQ if any
gptimer_regs->timer[timer].ctrl = gptimer_regs->timer[timer].ctrl | 0x00000004; // LD load value from the reload register
gptimer_regs->timer[timer].ctrl = gptimer_regs->timer[timer].ctrl | 0x00000001; // EN enable the timer
gptimer_regs->timer[timer].ctrl = gptimer_regs->timer[timer].ctrl | 0x00000002; // RS restart
gptimer_regs->timer[timer].ctrl = gptimer_regs->timer[timer].ctrl | 0x00000008; // IE interrupt enable
return 1;
}
int timer_stop(gptimer_regs_t *gptimer_regs, unsigned char timer)
{
/** This function stops a GPTIMER timer.
*
* @param gptimer_regs points to the APB registers of the GPTIMER IP core.
* @param timer is the number of the timer in the IP core (several timers can be instantiated).
*
* @return 1
*
*/
gptimer_regs->timer[timer].ctrl = gptimer_regs->timer[timer].ctrl & 0xfffffffe; // EN enable the timer
gptimer_regs->timer[timer].ctrl = gptimer_regs->timer[timer].ctrl & 0xffffffef; // IE interrupt enable
gptimer_regs->timer[timer].ctrl = gptimer_regs->timer[timer].ctrl | 0x00000010; // clear pending IRQ if any
return 1;
}
int timer_set_clock_divider(gptimer_regs_t *gptimer_regs, unsigned char timer, unsigned int clock_divider)
{
/** This function sets the clock divider of a GPTIMER timer.
*
* @param gptimer_regs points to the APB registers of the GPTIMER IP core.
* @param timer is the number of the timer in the IP core (several timers can be instantiated).
* @param clock_divider is the divider of the 1 MHz clock that will be configured.
*
* @return 1
*
*/
gptimer_regs->timer[timer].reload = clock_divider; // base clock frequency is 1 MHz
return 1;
}
int send_console_outputs_on_apbuart_port( void ) // Send the console outputs on the apbuart port
{
struct apbuart_regs_str *apbuart_regs = (struct apbuart_regs_str *) REGS_ADDR_APBUART;
apbuart_regs->ctrl = apbuart_regs->ctrl & APBUART_CTRL_REG_MASK_DB;
PRINTF("\n\n\n\n\nIn INIT *** Now the console is on port COM1\n")
return 0;
}
void set_apbuart_scaler_reload_register(unsigned int regs, unsigned int value)
{
/** This function sets the scaler reload register of the apbuart module
*
* @param regs is the address of the apbuart registers in memory
* @param value is the value that will be stored in the scaler register
*
* The value shall be set by the software to get data on the serial interface.
*
*/
struct apbuart_regs_str *apbuart_regs = (struct apbuart_regs_str *) regs;
apbuart_regs->scaler = value;
BOOT_PRINTF1("OK *** apbuart port scaler reload register set to 0x%x\n", value)
}
//************
// RTEMS TASKS
rtems_task stat_task(rtems_task_argument argument)
{
int i;
int j;
i = 0;
j = 0;
BOOT_PRINTF("in STAT *** \n")
while(1){
rtems_task_wake_after(1000);
PRINTF1("%d\n", j)
if (i == CPU_USAGE_REPORT_PERIOD) {
// #ifdef PRINT_TASK_STATISTICS
// rtems_cpu_usage_report();
// rtems_cpu_usage_reset();
// #endif
i = 0;
}
else i++;
j++;
}
}
rtems_task hous_task(rtems_task_argument argument)
{
rtems_status_code status;
rtems_id queue_id;
status = rtems_message_queue_ident( misc_name[QUEUE_SEND], 0, &queue_id );
if (status != RTEMS_SUCCESSFUL)
{
PRINTF1("in HOUS *** ERR %d\n", status)
}
BOOT_PRINTF("in HOUS ***\n")
if (rtems_rate_monotonic_ident( name_hk_rate_monotonic, &HK_id) != RTEMS_SUCCESSFUL) {
status = rtems_rate_monotonic_create( name_hk_rate_monotonic, &HK_id );
if( status != RTEMS_SUCCESSFUL ) {
PRINTF1( "rtems_rate_monotonic_create failed with status of %d\n", status )
}
}
housekeeping_packet.targetLogicalAddress = CCSDS_DESTINATION_ID;
housekeeping_packet.protocolIdentifier = CCSDS_PROTOCOLE_ID;
housekeeping_packet.reserved = DEFAULT_RESERVED;
housekeeping_packet.userApplication = CCSDS_USER_APP;
housekeeping_packet.packetID[0] = (unsigned char) (TM_PACKET_ID_HK >> 8);
housekeeping_packet.packetID[1] = (unsigned char) (TM_PACKET_ID_HK);
housekeeping_packet.packetSequenceControl[0] = TM_PACKET_SEQ_CTRL_STANDALONE;
housekeeping_packet.packetSequenceControl[1] = TM_PACKET_SEQ_CNT_DEFAULT;
housekeeping_packet.packetLength[0] = (unsigned char) (PACKET_LENGTH_HK >> 8);
housekeeping_packet.packetLength[1] = (unsigned char) (PACKET_LENGTH_HK );
housekeeping_packet.spare1_pusVersion_spare2 = DEFAULT_SPARE1_PUSVERSION_SPARE2;
housekeeping_packet.serviceType = TM_TYPE_HK;
housekeeping_packet.serviceSubType = TM_SUBTYPE_HK;
housekeeping_packet.destinationID = TM_DESTINATION_ID_GROUND;
status = rtems_rate_monotonic_cancel(HK_id);
if( status != RTEMS_SUCCESSFUL ) {
PRINTF1( "ERR *** in HOUS *** rtems_rate_monotonic_cancel(HK_id) ***code: %d\n", status )
}
else {
DEBUG_PRINTF("OK *** in HOUS *** rtems_rate_monotonic_cancel(HK_id)\n")
}
while(1){ // launch the rate monotonic task
status = rtems_rate_monotonic_period( HK_id, HK_PERIOD );
if ( status != RTEMS_SUCCESSFUL ) {
PRINTF1( "in HOUS *** ERR period: %d\n", status);
rtems_event_send( Task_id[TASKID_DUMB], RTEMS_EVENT_6 );
}
else {
increment_seq_counter( housekeeping_packet.packetSequenceControl );
housekeeping_packet.time[0] = (unsigned char) (time_management_regs->coarse_time>>24);
housekeeping_packet.time[1] = (unsigned char) (time_management_regs->coarse_time>>16);
housekeeping_packet.time[2] = (unsigned char) (time_management_regs->coarse_time>>8);
housekeeping_packet.time[3] = (unsigned char) (time_management_regs->coarse_time);
housekeeping_packet.time[4] = (unsigned char) (time_management_regs->fine_time>>8);
housekeeping_packet.time[5] = (unsigned char) (time_management_regs->fine_time);
housekeeping_packet.sid = SID_HK;
spacewire_update_statistics();
// SEND PACKET
status = rtems_message_queue_send( queue_id, &housekeeping_packet,
PACKET_LENGTH_HK + CCSDS_TC_TM_PACKET_OFFSET + CCSDS_PROTOCOLE_EXTRA_BYTES);
if (status != RTEMS_SUCCESSFUL) {
PRINTF1("in HOUS *** ERR send: %d\n", status)
}
}
}
PRINTF("in HOUS *** deleting task\n")
status = rtems_task_delete( RTEMS_SELF ); // should not return
printf( "rtems_task_delete returned with status of %d.\n", status );
return;
}
rtems_task dumb_task( rtems_task_argument unused )
{
/** This RTEMS taks is used to print messages without affecting the general behaviour of the software.
*
* @param unused is the starting argument of the RTEMS task
*
* The DUMB taks waits for RTEMS events and print messages depending on the incoming events.
*
*/
unsigned int i;
unsigned int intEventOut;
unsigned int coarse_time = 0;
unsigned int fine_time = 0;
rtems_event_set event_out;
BOOT_PRINTF("in DUMB *** \n")
while(1){
rtems_event_receive(RTEMS_EVENT_0 | RTEMS_EVENT_1 | RTEMS_EVENT_2 | RTEMS_EVENT_3
| RTEMS_EVENT_4 | RTEMS_EVENT_5 | RTEMS_EVENT_6,
RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &event_out); // wait for an RTEMS_EVENT
intEventOut = (unsigned int) event_out;
for ( i=0; i<32; i++)
{
if ( ((intEventOut >> i) & 0x0001) != 0)
{
coarse_time = time_management_regs->coarse_time;
fine_time = time_management_regs->fine_time;
printf("in DUMB *** coarse: %x, fine: %x, %s\n", coarse_time, fine_time, DumbMessages[i]);
}
}
}
}
//*****************************
// init housekeeping parameters
void init_housekeeping_parameters( void )
{
/** This function initialize the housekeeping_packet global variable with default values.
*
*/
unsigned int i = 0;
char *parameters;
parameters = (char*) &housekeeping_packet.lfr_status_word;
for(i = 0; i< SIZE_HK_PARAMETERS; i++)
{
parameters[i] = 0x00;
}
// init status word
housekeeping_packet.lfr_status_word[0] = DEFAULT_STATUS_WORD_BYTE0;
housekeeping_packet.lfr_status_word[1] = DEFAULT_STATUS_WORD_BYTE1;
// init software version
housekeeping_packet.lfr_sw_version[0] = SW_VERSION_N1;
housekeeping_packet.lfr_sw_version[1] = SW_VERSION_N2;
housekeeping_packet.lfr_sw_version[2] = SW_VERSION_N3;
housekeeping_packet.lfr_sw_version[3] = SW_VERSION_N4;
}
void increment_seq_counter( unsigned char *packet_sequence_control)
{
unsigned short sequence_cnt;
unsigned short segmentation_grouping_flag;
unsigned short new_packet_sequence_control;
segmentation_grouping_flag = (unsigned short) ( (packet_sequence_control[0] & 0xc0) << 8 ); // keep bits 7 downto 6
sequence_cnt = (unsigned short) (
( (packet_sequence_control[0] & 0x3f) << 8 ) // keep bits 5 downto 0
+ packet_sequence_control[1]
);
if ( sequence_cnt < SEQ_CNT_MAX)
{
sequence_cnt = sequence_cnt + 1;
}
else
{
sequence_cnt = 0;
}
new_packet_sequence_control = segmentation_grouping_flag | sequence_cnt ;
packet_sequence_control[0] = (unsigned char) (new_packet_sequence_control >> 8);
packet_sequence_control[1] = (unsigned char) (new_packet_sequence_control );
}