sakthi priya amirtharaj
i2c working with new hk(no pin conflict)
Fork of
BAE_vr2_1_4
by 
sakthi priya amirtharaj
Diff: main.cpp
- Revision:
- 0:e9c32e1df869
- Child:
- 1:bd715ccef1bb
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Dec 17 06:52:26 2014 +0000
@@ -0,0 +1,489 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "HK.h"
+#include "slave.h"
+#include "beacon.h"
+#include "ACS.h"
+#include "fault.h"
+#include "slave.h"
+
+Serial pc(USBTX, USBRX);
+
+InterruptIn interrupt(D9);
+InterruptIn master_reset(D11);
+
+
+Timer t; //To know the time of execution each thread
+Timer t1;
+ //To know the time of entering of each thread
+
+Thread *ptr_t_hk_acq;
+Thread *ptr_t_acs;
+//Thread *ptr_t_acs_write2flash;
+Thread *ptr_t_bea;
+//Thread *ptr_t_bea_telecommand;
+//Thread *ptr_t_fault;
+Thread *ptr_t_i2c;
+
+
+
+
+void write_to_master(char); //function to write data to master
+
+I2CSlave slave(D14,D15); //configuring pins p27, p28 as I2Cslave
+
+
+DigitalOut data_ready(D10);
+int i2c_status=0; //read/write mode for i2c 0 : write2slave, 1 : write2master
+int reset=0;
+int temp;
+
+typedef struct
+{
+ char data[30]; // To avoid dynamic memory allocation
+ int length;
+}i2c_data;
+
+
+
+
+
+
+Mail<i2c_data,16> i2c_data_receive;
+Mail<i2c_data,16> i2c_data_send;
+
+//--------------------------------------------------------------------------------------------------------------------------------------------------
+//TASK 2 : HK
+//--------------------------------------------------------------------------------------------------------------------------------------------------
+
+char hk_data[30];
+extern SensorDataQuantised SensorQuantised;
+void t_hk_acq(void const *args)
+{
+
+ while(1)
+ {
+ Thread::signal_wait(0x2);
+ SensorQuantised.power_mode='0';
+ printf("\nTHIS IS HK %f\n",t1.read());
+ t.start();
+ FAULTS();
+ POWER(SensorQuantised.power_mode); //The power mode algorithm is yet to be obtained
+ FUNC_HK_MAIN(); //Collecting HK data
+ //thread_2.signal_set(0x4);
+ //FUNC_I2C_SLAVE_MAIN(30);
+ ir2master();
+ t.stop();
+ printf("The time to execute hk_acq is %f seconds\n",t.read());
+ t.reset();
+ }
+}
+
+//---------------------------------------------------------------------------------------------------------------------------------------
+//TASK 1 : ACS
+//---------------------------------------------------------------------------------------------------------------------------------------
+
+int acs_pflag = 1;
+void t_acs(void const *args)
+{
+ float *mag_field;
+ float *omega;
+ float *moment;
+ while(1)
+ {
+ Thread::signal_wait(0x1);
+ printf("\nTHIS IS ACS %f\n",t1.read());
+ t.start();
+ mag_field= FUNC_ACS_MAG_EXEC(); //actual execution
+ omega = FUNC_ACS_EXEC_GYR();
+
+
+
+ if(acs_pflag == 1)
+ {
+ moment = FUNC_ACS_CNTRLALGO(mag_field,omega);
+ FUNC_ACS_GENPWM(moment);
+ }
+
+ t.reset();
+ }
+}
+/*
+void t_acs_write2flash(void const *args)
+{
+ while(1)
+ {
+ //printf("Writing in the flash\n");
+ osEvent evt = q_acs.get();
+ if(evt.status == osEventMail)
+ {
+ sensor_data *ptr = (sensor_data*)evt.value.p;
+ func_acs_write2flash(ptr);
+ q_acs.free(ptr);
+ }
+ printf("Writing acs data in the flash\n");
+ }
+}
+
+*/
+//---------------------------------------------------BEACON--------------------------------------------------------------------------------------------
+
+int beac_flag=0; //To receive telecommand from ground.
+
+
+/*void t_bea_telecommand(void const *args)
+{
+ char c = pc.getc();
+ if(c=='a')
+ {
+ printf("Telecommand detected\n");
+ beac_flag=1;
+ }
+}
+*/
+
+void t_bea(void const *args)
+{
+
+ while(1)
+ {
+ Thread::signal_wait(0x3);
+ printf("\nTHIS IS BEACON %f\n",t1.read());
+ t.start();
+
+
+
+ FUNC_BEA();
+
+
+ if(beac_flag==1)
+ {
+ Thread::wait(600000);
+ beac_flag = 0;
+ }
+
+ printf("The time to execute beacon thread is %f seconds\n",t.read());
+ t.reset();
+ }
+}
+
+//---------------------------------------------------------------------------------------------------------------------------------------------------
+//TASK 4 : FAULT MANAGEMENT
+//---------------------------------------------------------------------------------------------------------------------------------------------------
+//Dummy fault rectifier functions
+
+/*Mail<int,16> faults;
+
+void FUNC_FAULT_FUNCT1()
+{
+ printf("\nFault 1 detected... \n");
+}
+
+void FUNC_FAULT_FUNCT2()
+{
+ printf("\nFault 2 detected...\n");
+}
+
+void T_FAULT(void const *args)
+{
+ while(1)
+ {
+ osEvent evt = faults.get();
+ if(evt.status==osEventMail)
+ {
+ int *fault_id= (int *)evt.value.p;
+ switch(*fault_id)
+ {
+ case 1: FUNC_FAULT_FUNCT1();
+ break;
+ case 2: FUNC_FAULT_FUNCT2();
+ break;
+ }
+ faults.free(fault_id);
+ }
+ }
+}*/
+
+extern SensorDataQuantised SensorQuantised;
+
+
+/*void T_FAULT(void const *args)
+{
+ Sensor.power_mode='0';
+ while(1)
+ {
+ Thread :: signal_wait(0x2);
+ FAULTS();
+ POWER(Sensor.power_mode);
+ //Sensor.power_mode++; //testing ... should be removed
+ }
+}
+*/
+//---------------------------------------------------------------------------------------------------------------------------------------------------
+//TASK 5 : i2c data
+//---------------------------------------------------------------------------------------------------------------------------------------------------
+
+
+void C_FUNC_INT()
+{
+ FUNC_INT();
+ ptr_t_i2c->signal_set(0x4);
+
+}
+
+void C_FUNC_RESET()
+{
+ FUNC_RESET();
+}
+
+
+void C_T_I2C_BAE(void const * args)
+{
+ //char data_send,data_receive;
+ while(1)
+ {
+ Thread::signal_wait(0x4);
+ T_I2C_BAE();
+ //i2c_status = temp;
+ //wait(0.5);
+ /*printf("\n entered thread\n\r");
+ if(i2c_status == 0 && reset !=1)
+ {
+
+ FUNC_I2C_WRITE2CDMS(&data_receive);
+ i2c_data * i2c_data_r = i2c_data_receive.alloc();
+ i2c_data_r->data = data_receive;
+ i2c_data_r->length = 1;
+ i2c_data_receive.put(i2c_data_r);
+ printf("\n Data received from CDMS is %c\n\r",data_receive);
+ i2c_data_receive.free(i2c_data_r); // This has to be done from a differen thread
+
+ }
+ else if(i2c_status ==1 && reset !=1)
+ {
+ osEvent evt = i2c_data_send.get();
+ if (evt.status == osEventMail)
+ {
+ i2c_data *i2c_data_s = (i2c_data*)evt.value.p;
+ data_send = i2c_data_s -> data;
+ FUNC_I2C_WRITE2CDMS(&data_send);
+ printf("\nData sent to CDMS is %c\n\r",data_send);
+ i2c_data_send.free(i2c_data_s);
+ i2c_status = 0;
+ //temp = i2c_status;
+ }
+ }
+ */
+ }
+}
+
+
+
+
+
+void FUNC_I2C_WRITE2CDMS(char *data, int length=1)
+{
+ int slave_status = 1;
+
+ while(slave_status)
+ {
+ slave.address(0x20);
+ if(slave.receive()==1)
+ {
+ slave_status=slave.write(data,length);
+
+
+ }
+ else if(slave.receive()==3 || slave.receive()==2)
+ {
+ slave_status=slave.read(data,length);
+ }
+
+ }
+ printf("\ndone\n\r");
+
+}
+char data_send[30],data_receive[30];
+void T_I2C_BAE()
+{
+ //char data_send,data_receive;
+ //while(1)
+ //{
+ // Thread::signal_wait(0x1);
+ //i2c_status = temp;
+ //wait(0.5);
+ printf("\n entered thread %d\n\r",i2c_status);
+ if(i2c_status == 0 && reset !=1)
+ {
+
+ FUNC_I2C_WRITE2CDMS(data_receive,30);
+ i2c_data * i2c_data_r = i2c_data_receive.alloc();
+ strcpy(i2c_data_r->data,data_receive);
+ i2c_data_r->length = 30;
+ i2c_data_receive.put(i2c_data_r);
+ printf("\n Data received from CDMS is %s \n\r",data_receive);
+ i2c_data_receive.free(i2c_data_r); // This has to be done from a differen thread
+
+ }
+ else if(i2c_status ==1 && reset !=1)
+ {
+ osEvent evt = i2c_data_send.get();
+ if (evt.status == osEventMail)
+ {
+ i2c_data *i2c_data_s = (i2c_data*)evt.value.p;
+ strcpy(data_send,i2c_data_s -> data);
+ FUNC_I2C_WRITE2CDMS(data_send,30);
+ printf("\nData sent to CDMS is %s\n\r",data_send);
+ i2c_data_send.free(i2c_data_s);
+ i2c_status = 0;
+ //temp = i2c_status;
+
+ }
+ }
+
+ //}
+}
+
+
+
+void FUNC_INT()
+{
+ reset = 0;
+
+
+}
+
+void FUNC_RESET()
+{
+ reset = 1;
+}
+
+
+
+void ir2master()
+{
+
+ //char data[30];
+ //strcpy(data,"sakthi ");
+ //strcat(data,"priya");
+ strcpy(hk_data,SensorQuantised.Voltage);
+ strcat(hk_data,SensorQuantised.Current);
+ strcat(hk_data,SensorQuantised.Temperature);
+ strcat(hk_data,SensorQuantised.PanelTemperature);
+ strcat(hk_data,SensorQuantised.AngularSpeed);
+ strcat(hk_data,SensorQuantised.Bnewvalue);
+ char fdata[5] = {SensorQuantised.BatteryTemperature,SensorQuantised.faultpoll,SensorQuantised.faultir,SensorQuantised.power_mode};
+
+ /*strcat(hk_data,sfaultpoll);
+ strcat(hk_data,sfaultir);
+ strcat(hk_data,spower_mode);*/
+ strcat(hk_data,fdata);
+ printf("\nhk data : %s\n",hk_data);
+ data_ready=0;
+ //data = pcslave.getc();
+ reset =0;
+ i2c_status=1;
+ i2c_data * i2c_data_s = i2c_data_send.alloc();
+ strcpy(i2c_data_s->data,hk_data);
+ i2c_data_s->length = 30;
+ i2c_data_send.put(i2c_data_s);
+ data_ready=1;
+ //temp = i2c_status;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+//------------------------------------------------------------------------------------------------------------------------------------------------
+//SCHEDULER
+//------------------------------------------------------------------------------------------------------------------------------------------------
+int beacon_sc = 3;
+uint16_t schedcount=1;
+void t_sc(void const *args)
+{
+
+ printf("The value of i in scheduler is %d\n",schedcount);
+ if(schedcount == 65532) //to reset the counter
+ {
+ schedcount = 0;
+ }
+
+ if(schedcount%1==0)
+ {
+ ptr_t_acs -> signal_set(0x1);
+ }
+ if(schedcount%2==0)
+ {
+ //ptr_t_fault -> signal_set(0x2);
+ ptr_t_hk_acq -> signal_set(0x2);
+
+ }
+ if(schedcount%beacon_sc==0)
+ {
+ if(beac_flag==0)
+ {
+
+ ptr_t_bea -> signal_set(0x3);
+ }
+ }
+ schedcount++;
+}
+
+//---------------------------------------------------------------------------------------------------------------------------------------------
+
+int main()
+{
+ t1.start();
+
+ ptr_t_hk_acq = new Thread(t_hk_acq);
+ ptr_t_acs = new Thread(t_acs);
+ //ptr_t_acs_write2flash = new Thread(t_acs_write2flash);
+ ptr_t_bea = new Thread(t_bea);
+ //ptr_t_bea_telecommand = new Thread(t_bea_telecommand);
+ //ptr_t_fault = new Thread(T_FAULT);
+ ptr_t_i2c = new Thread(C_T_I2C_BAE);
+ //ptr_t_sc = new Thread(t_sc);
+
+ interrupt_fault();
+
+ //ptr_t_fault -> set_priority(osPriorityRealtime);
+ ptr_t_acs->set_priority(osPriorityHigh);
+ ptr_t_i2c->set_priority(osPriorityAboveNormal);
+ ptr_t_hk_acq->set_priority(osPriorityNormal);
+ //ptr_t_acs_write2flash->set_priority(osPriorityBelowNormal);
+ ptr_t_bea->set_priority(osPriorityAboveNormal);
+ //ptr_t_bea_telecommand->set_priority(osPriorityIdle);
+ //ptr_t_sc->set_priority(osPriorityAboveNormal);
+
+
+ // ----------------------------------------------------------------------------------------------
+ //printf("\n T_FAULT priority is %d",ptr_t_fault->get_priority());
+ printf("\n T_ACS priority is %d",ptr_t_acs->get_priority());
+ printf("\n T_HK_ACQ priority is %d",ptr_t_hk_acq->get_priority());
+ //printf("\n T_ACS_WRITE2FLASH priority is %d",ptr_t_acs_write2flash->get_priority());
+ printf("\n T_BEA priority is %d",ptr_t_bea->get_priority());
+ RtosTimer t_sc_timer(t_sc,osTimerPeriodic);
+ t_sc_timer.start(10000);
+ printf("\n%f\n",t1.read());
+
+
+
+ master_reset.fall(&C_FUNC_RESET);
+ interrupt.rise(&C_FUNC_INT);
+
+ while(1)
+ {
+ //Thread::wait(10000);
+ //ir2master();
+ Thread::wait(5000);
+ }
+
+}
\ No newline at end of file