3rd Repo, trying to figure this out.
Fork of SOFT253_Template_Weather_OS_54 by
main.cpp
- Committer:
- FairyMental
- Date:
- 2017-04-05
- Revision:
- 42:b1f29874ab70
- Parent:
- 41:d222c043c96d
- Child:
- 43:3983059e0d91
File content as of revision 42:b1f29874ab70:
#include "mbed.h" #include "rtos.h" #include "string.h" #include <stdio.h> #include <ctype.h> #include "hts221.h" #include "LPS25H.h" #include "LinkedList.h" #include <iostream> #define SIGNAL_doMeasure 1 #define SWITCH1_RELEASE 90 void thread1(); DigitalOut myled(LED1); I2C i2c2(I2C_SDA, I2C_SCL); LPS25H barometer(i2c2, LPS25H_V_CHIP_ADDR); HTS221 measurer(I2C_SDA, I2C_SCL); DigitalIn onBoardSwitch(USER_BUTTON); //Threads Thread *produceThread; Thread *measureThread; Thread *consumeThread; int count= 0; //Mail queue Mail<Measure, 16> mail_box; LinkedList *listBuffer; // Call this on precise intervals void MeasureThread() { while(true) { Thread::signal_wait(SIGNAL_doMeasure); //Read sample - make a copy float temperature = 0 , humidity = 0,pressure = 0; //Allocate a block from the memory pool Measure *measure = mail_box.alloc(); if (measure == NULL) { //Out of memory printf("Out of memory\n\r"); return; } //Fill in the data measurer.ReadTempHumi(&temperature,&humidity); barometer.get(); pressure = barometer.pressure(); measure->temperature = temperature; measure->humidity = humidity; measure->pressure = pressure; //Write to queue osStatus stat = mail_box.put(measure); //Note we are sending the "pointer" //Check if succesful if (stat == osErrorResource) { printf("queue->put() Error code: %4Xh, Resource not available\r\n", stat); mail_box.free(measure); return; } } } //Normal priority thread (consumer) void ProducerThread() { while (true) { //Block on the queue osEvent evt = mail_box.get(); //Check status if (evt.status == osEventMail) { Measure *measure = (Measure*)evt.value.p; //This is the pointer (address) //Make a copy // printf("Consumer: %fC | %f% % | %f \r\n", measure->temperature, measure->humidity,measure->pressure); Measure msr(measure->temperature, measure->humidity,measure->pressure); listBuffer->addValueEnd(msr); //We are done with this, so give back the memory to the pool mail_box.free(measure); //Echo to the terminal } else { printf("ERROR: %x\n\r", evt.status); } } //end while } int CompareCommands(char command[],char targetcommand[], int size) { int ret = -1, i = 0; for(i = 0; i< size; i ++) { if(command[i] != targetcommand[i]) return -1; } return 1; } void ConsumeThread() { char charCmd; char command[40]; int crtChar = 0; printf("\r\nAwaiting command:\r\n"); while(1) { charCmd = NULL; charCmd = getchar(); if(charCmd != NULL) { if(charCmd != 13) { command[crtChar++] = charCmd; printf("%c",charCmd); } else { printf("\r\n\r\nCommand entered: %s\r\n", command); if(CompareCommands(command,"list all",crtChar) == 1) { listBuffer->ListAll(); } printf("Awaiting command: \r\n"); int i = 0; for(i =0 ; i < crtChar; i++) command[i] = ' '; command[0] = 0; crtChar = 0; } } } } void SendSignalDoMeasure() { measureThread->signal_set(SIGNAL_doMeasure); } // Main thread int main() { //Initialize stuff measurer.init(); measurer.calib(); listBuffer = new LinkedList(); //Start message printf("Welcome\r\n"); //Hook up timer interrupt Ticker timer; timer.attach(&SendSignalDoMeasure, 5.0); //Threads produceThread = new Thread(); produceThread->start(ProducerThread); measureThread = new Thread(); measureThread->start(MeasureThread); consumeThread = new Thread(); consumeThread->start(ConsumeThread); printf("Main Thread\n"); while(1) { Thread::wait(3000); // float temp,humi; // measurer.ReadTempHumi(&temp, &humi); // barometer.get(); // t2->signal_set(SIGNAL_doMeasure); // printf("Main Thread Measures: %fC %f %f \r\n", temp, humi,barometer.pressure()); } }