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FINAL PROJECT isn't it
Fork of ELEC351 by
main.cpp
- Committer:
- thomasmorris
- Date:
- 2017-12-11
- Revision:
- 7:dfe19413fdc2
- Parent:
- 6:97f586597310
- Child:
- 8:0e4481b64353
File content as of revision 7:dfe19413fdc2:
/* ELEC 351 Group T Team Members : Christopher Hills, Thomas Morris Current Verision 1 Overiew: Working Tasks 1,5,7 */ #include "sample_hardware.hpp" #include "Networkbits.hpp" #include "rtos.h" #include "LED.hpp" #define SamplingTime 1 #define NotSamplingTime 0 #define Print_Time_to_LCD 1 #define Dont_Print_Time_to_LCD 0 #define TimerInterval 15 //This is in seconds #define EDGE_RISEN 1 #define EDGE_FALLEN 0 Serial pc(USBTX, USBRX); //SW1+SW2 are declared as interrupt ins in sample hardwarec.pp // This is a very short demo that demonstrates all the hardware used in the coursework. // You will need a network connection set up (covered elsewhere). The host PC should have the address 10.0.0.1 //Thread ID osThreadId idMain; osThreadId id1; osThreadId id2; osThreadId id3; osThreadId id4; Timeout sw1TimeOut;//Used to prevent switch bounce LED Red_led(PE_15); LED Yellow_led(PB_10); LED Green_led(PB_11); Ticker Sample_timer; //Threads Thread nwrkThread; Thread t1; Thread t2; Thread t3; Thread t4; Thread t5; Thread t6; double temp = 0; double pressure = 0; double lux = 0; char buffer[32]; void SW1FallingEdge(); void SW1TimeOutHandler(); int mode = 0; //Interrupt service routine for handling the timeout void SW1TimeOutHandler() { sw1TimeOut.detach(); //Stop the timeout counter firing SW1.fall(&SW1FallingEdge); //Now wait for a falling edge } //Interrupt service routive for SW1 falling edge (release) void SW1FallingEdge() { SW1.fall(NULL); //Disable this interrupt Yellow_led.Toggle(); //Toggle LED mode = mode +1;//Cycles through modes if(mode >1) { mode = 0; } sw1TimeOut.attach(&SW1TimeOutHandler, 0.2); //Start timeout counter } void ModeSelection() { while(1){ Thread::wait(1000); //Detech the not required interrupt then rettach it when finshed if(mode == 0)//Print values to the LCD { //Write new data to LCD (not fast!) lcd.cls(); lcd.printf("Temp Pres li\n"); lcd.printf("%1.1f ",temp); lcd.printf("%1.1f ",pressure); lcd.printf("%1.1f\n",lux); } else if(mode == 1)//Print the Time to the LCD { //Write new data to LCD (not fast!) lcd.cls(); lcd.printf("Current Time:%s", buffer); //Write to SD (potentially slow) //fprintf(fp, "%6.1f,%.2f\n\r", temp, pressure); } else { mode = 0; } } } void PrintTime() { Thread::signal_wait(Print_Time_to_LCD); while(1) { //lcd.printf("Current Time: \n %s", buffer); Thread::wait(1000);//Waits the thread for 1 second } } void Time() { while (true) { time_t seconds = time(NULL); //pc.printf("Time as seconds since January 1, 1970 = %d\n", seconds); //pc.printf("Time as a basic string = %s", ctime(&seconds)); strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds)); pc.printf("Current Time:%s", buffer); Thread::wait(1000); } } void Serial_Comms()//Thread for Serial Communications { pc.printf("Hello World \n"); while(1) { pc.printf("Test\n");//Use this Line to output a string to Putty Green_led.Toggle(); Thread::wait(1000); } } void Sample_signal_set()//Sets the Signal for when to sample the sensors { t1.signal_set(SamplingTime); } void Sample()//Samples the hardware and prints the result to the LCD { while(1) { Thread::signal_wait(SamplingTime); //Read environmental sensors temp = sensor.getTemperature(); pressure = sensor.getPressure(); lux = adcIn.read(); Red_led.Toggle(); t1.signal_set(NotSamplingTime); } } int main() { //Greeting printf("Testing\n\n"); set_time(1512940530); // Set RTC time to December 10 2017 pc.baud(9600);//Sets the Serial Comms Baud Rate post();//Power on Self Test //Initialise the SD card (this needs to move) if ( sd.init() != 0) { printf("Init failed \n"); lcd.cls(); lcd.printf("CANNOT INIT SD"); errorCode(FATAL); } //Create a filing system for SD Card FATFileSystem fs("sd", &sd); //Open to WRITE FILE* fp = fopen("/sd/test.csv","a"); if (fp == NULL) { error("Could not open file for write\n"); lcd.cls(); lcd.printf("CANNOT OPEN FILE\n\n"); errorCode(FATAL); } //Last message before sampling begins lcd.cls(); lcd.printf("READY\n\n"); //Run interrupt Sample_timer.attach(&Sample_signal_set,TimerInterval); SW1.fall(&SW1FallingEdge); //Run Threads t1.start(Sample); t2.start(Serial_Comms); t3.start(Time); t4.start(PrintTime); t5.start(ModeSelection); //Main thread ID idMain = osThreadGetId(); //CMSIS RTOS call //Thread ID id1 = t1.gettid(); id2 = t2.gettid(); id3 = t3.gettid(); //Toggle Green LED after a button has been pressed //Press either switch to unmount DigitalIn onBoardSwitch(USER_BUTTON); while (onBoardSwitch == 0){ } //Close File fclose(fp); //Close down sd.deinit(); printf("Unmounted...\n"); lcd.cls(); lcd.printf("Unmounted...\n\n"); while(true) { greenLED = 1; wait(0.5); greenLED = 0; wait(0.1); } }