![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
See graph
Dependencies: MCP23017 SDFileSystem WattBob_TextLCD mbed
Fork of Embedded_Software_Assignment_2 by
Tasks.cpp
- Committer:
- sk398
- Date:
- 2016-03-02
- Revision:
- 9:46408a8dea0c
- Parent:
- 6:ceda53939eb8
- Child:
- 10:c0531edf4850
File content as of revision 9:46408a8dea0c:
/* ##################################################################### Tasks.cpp --------- Embedded Software - Assignment 2 -------------------------------- Written by: Steven Kay Date: February 2016 Function: This Version: 1.0 Version History --------------- 1.1 rgdfgdfgdfggdfgdg 1.0 gdgddfdddgd ##################################################################### */ #include "mbed.h" #include "Tasks.h" /* ==================================== Task 1 ==================================== */ Task1::Task1(PinName squareWaveInPin) { _squareWaveIn = new DigitalIn(squareWaveInPin); } void Task1::MeasureFrequency() { _Task1Timer.start(); _squareWaveIn -> rise(this,&Task1::StopCounter); } void Task1::StopCounter() { _Task1Timer.stop(); measuredFrequency = _Task1Timer.read_us(); _Task1Timer.reset(); } int Task1::ReadFrequency() { _squareWaveIn -> rise(this,&Task1::MeasureFrequency); return measuredFrequency; } /* ==================================== Task 2 ==================================== */ Task2::Task2(PinName digitalInCheckPin) { _digitalInCheck = new DigitalIn(digitalInCheckPin); } bool Task2::digitalInState() { if(_digitalInCheck -> read()) { return TRUE; } else { return FALSE; } } /* ==================================== Task 3 ==================================== */ Task3::Task3(PinName WatchdogPin) { _Watchdog = new DigitalOut(WatchdogPin); } void Task3::OutputWatchdogPulse() { _Watchdog -> write(HIGH); wait_ms(WATCHDOG_PULSE_WIDTH); _Watchdog -> write(LOW); } /* ==================================== Task 4 ==================================== */ Task4::Task4(PinName Analog1Pin,PinName Analog2Pin) { _AnalogIn1 = new AnalogIn(Analog1Pin); _AnalogIn2 = new AnalogIn(Analog2Pin); } float *Task4::returnAnalogReadings() { float readBuffer_1 = 0.0; float readBuffer_2 = 0.0; float outputBuffer[2]; // outputBuffer[0] = _AnalogIn1 -> read(); // outputBuffer[1] = _AnalogIn2 -> read(); for(int readCount = 0;readCount < NUM_ANALOG_SAMPLES; readCount++) { readBuffer_1 += ((_AnalogIn1 -> read())*3.3); // printf("Buffer 1 %f\r\n",readBuffer_1); readBuffer_2 += ((_AnalogIn2 -> read())*3.3); // printf("Buffer 2 %f\r\n",readBuffer_2); } outputBuffer[0] = readBuffer_1/NUM_ANALOG_SAMPLES; // printf("outputBuffer[0] %f\r\n",outputBuffer[0]); outputBuffer[1] = readBuffer_2/NUM_ANALOG_SAMPLES; // printf("outputBuffer[1] %f\r\n",outputBuffer[1]); float *outputBufferPtr =&outputBuffer[0]; return outputBufferPtr; } /* ==================================== Task 5 ==================================== */ Task5::Task5(PinName sda, PinName scl, int address) { _par_port = new MCP23017(sda,scl,address); _lcd = new WattBob_TextLCD(_par_port); _par_port -> write_bit(1,BL_BIT); } void Task5::updateDisplay( int task1Param, int task2Param, int errorState, float task4Channel1, float task4Channel2 ) { _lcd -> cls(); _lcd -> locate(0,0); _lcd -> printf("F-%4dHz S1-%d E%d",task1Param,task2Param,errorState); _lcd -> locate(1,0); _lcd -> printf("C1-%1.2f C2-%1.2f ",task4Channel1,task4Channel2); } /* ==================================== Task 6 ==================================== */ int Task6::updateErrorCode(int switch_1, float analog1, float analog2) { if(switch_1 == 1 && (analog1 > analog2)) return ERROR_CODE_CDTN_MET; else return ERROR_CODE_CDTN_FAIL; } /* ==================================== Task 5 ==================================== */ Task7::Task7( PinName mosi, PinName miso, PinName sck, PinName cs, const char *SDName, const char *dir ) { _sd = new SDFileSystem(mosi,miso,sck,cs, SDName); makeDirectory(dir); } void Task7::makeDirectory(const char *dir) { mkdir(dir,0777); } int Task7::openFile(const char *dirFile,const char *accessType) { fp = fopen(dirFile,accessType); if(fp == NULL) { return 1; } return 0; } void Task7::writeData(const char *dataStream) { fprintf(fp,dataStream); } void Task7::closeFile() { fclose(fp); }