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lab stugg
Dependencies: mbed wave_player mbed-rtos 4DGL-uLCD-SE SDFileSystem 4180_Lab3_rtos_basic
main.cpp
- Committer:
- mbarros7
- Date:
- 2021-05-02
- Revision:
- 10:275cc4d62276
- Parent:
- 9:1b37fd4bf5ea
File content as of revision 10:275cc4d62276:
#include "mbed.h" #include "rtos.h" #include "uLCD_4DGL.h" #include "SDFileSystem.h" #include "wave_player.h" #include "PlatformMutex.h" uLCD_4DGL myLCD(p28, p27, p30); Mutex lcd_mutex; RawSerial pc(USBTX, USBRX); Serial bluemod(p13,p14); PwmOut red(p24); PwmOut green(p22); PwmOut blue(p21); SDFileSystem sd(p5, p6, p7, p8, "sd"); AnalogOut Speaker(p18); wave_player waver(&Speaker); bool PLAY = true; bool *PlayStopPtr = &PLAY; // Thread 1 // print counter into first line and wait for 1 s void thread1(void const *args) { int i; while(true) { // thread loop lcd_mutex.lock(); myLCD.locate(0,0); myLCD.printf("Weeeee Woooo"); lcd_mutex.unlock(); i++; Thread::wait(1000); } } // Thread 2 // print counter into third line and wait for 0,5s void thread2(void const *args) { int k; while(true) { // thread loop lcd_mutex.lock(); myLCD.locate(0,20); myLCD.printf("Pull Over."); lcd_mutex.unlock(); k++; Thread::wait(500); // wait 0.5s } } void thread4(void const *args) { while(true) { FILE *wave_file; wave_file=fopen("/sd/Siren.wav","r"); waver.play(wave_file,PlayStopPtr); fclose(wave_file); Thread::wait(1000); // wait 1.0s } } int main() { myLCD.cls(); Thread t1(thread1); Thread t2(thread2); // Thread t3(thread3); Thread t4(thread4); Timer t; t.start(); while (true) { lcd_mutex.lock(); myLCD.locate(0,9); myLCD.printf("The time taken was %0.2f seconds\n", t.read()); char bred=0; char bgreen=0; char bblue=0; red = green = blue = 0; while(1) { if (bluemod.getc()=='!') { if (bluemod.getc()=='C') { //color data packet bred = bluemod.getc(); // RGB color values bgreen = bluemod.getc(); bblue = bluemod.getc(); if (bluemod.getc()==char(~('!' + 'C' + bred + bgreen + bblue))) { //checksum OK? red = bred/255.0; //send new color to RGB LED PWM outputs green = bgreen/255.0; blue = bblue/255.0; } } } } lcd_mutex.unlock(); Thread::wait(500); } }