4180 yoloswag / Mbed 2 deprecated app-board-RTOS-Threads

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Dependencies:   Speaker mbed wave_player mbed-rtos 4DGL-uLCD-SE LCD_fonts SDFileSystem_OldbutworkswithRTOS

main.cpp@1:1c6a9eaf55b5, 2012-10-16 (annotated)

Committer:
dreschpe
Date:
Tue Oct 16 17:51:10 2012 +0000
Revision:
1:1c6a9eaf55b5
Parent:
0:f6a57b843f79
Child:
2:a69c8c5f5b03
ver 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:f6a57b843f79 1 // example to test the mbed Lab Board lcd
dreschpe 1:1c6a9eaf55b5 2 // Pot1 change the contrast
dreschpe 1:1c6a9eaf55b5 3 // Pot2 change the speed of the sin wave
dreschpe 1:1c6a9eaf55b5 4
dreschpe 0:f6a57b843f79 5
dreschpe 0:f6a57b843f79 6 #include "mbed.h"
dreschpe 0:f6a57b843f79 7 #include "rtos.h"
dreschpe 0:f6a57b843f79 8 #include "Small_6.h"
dreschpe 0:f6a57b843f79 9 #include "Small_7.h"
dreschpe 0:f6a57b843f79 10 #include "Arial_9.h"
dreschpe 0:f6a57b843f79 11 #include "stdio.h"
dreschpe 1:1c6a9eaf55b5 12 #include "C12832_lcd.h"
dreschpe 0:f6a57b843f79 13
dreschpe 0:f6a57b843f79 14 Serial pc(USBTX, USBRX);
dreschpe 0:f6a57b843f79 15
dreschpe 0:f6a57b843f79 16
dreschpe 0:f6a57b843f79 17 // LCD object
dreschpe 0:f6a57b843f79 18 C12832_LCD LCD("LCD");
dreschpe 0:f6a57b843f79 19
dreschpe 1:1c6a9eaf55b5 20 AnalogIn Pot1(p19);
dreschpe 1:1c6a9eaf55b5 21 AnalogIn Pot2(p20);
dreschpe 0:f6a57b843f79 22
dreschpe 1:1c6a9eaf55b5 23 // defines to make lib thread save
dreschpe 1:1c6a9eaf55b5 24 #define _lock lcd_mutex.lock();
dreschpe 1:1c6a9eaf55b5 25 #define _unlock lcd_mutex.unlock();
dreschpe 1:1c6a9eaf55b5 26 Mutex lcd_mutex;
dreschpe 0:f6a57b843f79 27
dreschpe 0:f6a57b843f79 28 // print data into first line and wait for 1s
dreschpe 0:f6a57b843f79 29 void thread1(void const *args)
dreschpe 0:f6a57b843f79 30 {
dreschpe 0:f6a57b843f79 31 int i;
dreschpe 0:f6a57b843f79 32 while(true) { // thread loop
dreschpe 0:f6a57b843f79 33 _lock
dreschpe 0:f6a57b843f79 34 LCD.locate(0,0);
dreschpe 0:f6a57b843f79 35 LCD.set_font((unsigned char*) Small_6);
dreschpe 1:1c6a9eaf55b5 36 printf("Thread1 count: %d",i);
dreschpe 0:f6a57b843f79 37 LCD.copy_to_lcd();
dreschpe 0:f6a57b843f79 38 _unlock
dreschpe 0:f6a57b843f79 39 i++;
dreschpe 0:f6a57b843f79 40 Thread::wait(1000);
dreschpe 0:f6a57b843f79 41 }
dreschpe 0:f6a57b843f79 42 }
dreschpe 0:f6a57b843f79 43
dreschpe 0:f6a57b843f79 44 // print data into third line and wait for 0,5s
dreschpe 0:f6a57b843f79 45 void thread2(void const *args)
dreschpe 0:f6a57b843f79 46 {
dreschpe 1:1c6a9eaf55b5 47 int k;
dreschpe 0:f6a57b843f79 48 while(true) { // thread loop
dreschpe 0:f6a57b843f79 49 _lock
dreschpe 0:f6a57b843f79 50 LCD.locate(0,20);
dreschpe 0:f6a57b843f79 51 LCD.set_font((unsigned char*) Arial_9);
dreschpe 1:1c6a9eaf55b5 52 printf("Thread 2 count : %d",k);
dreschpe 0:f6a57b843f79 53 LCD.copy_to_lcd();
dreschpe 0:f6a57b843f79 54 _unlock
dreschpe 1:1c6a9eaf55b5 55 k++;
dreschpe 0:f6a57b843f79 56 Thread::wait(500);
dreschpe 0:f6a57b843f79 57 }
dreschpe 0:f6a57b843f79 58 }
dreschpe 0:f6a57b843f79 59
dreschpe 0:f6a57b843f79 60
dreschpe 1:1c6a9eaf55b5 61 void thread4(void const *args)
dreschpe 1:1c6a9eaf55b5 62 {
dreschpe 1:1c6a9eaf55b5 63 int i,k,v;
dreschpe 1:1c6a9eaf55b5 64 double s,a;
dreschpe 1:1c6a9eaf55b5 65 k = 1;
dreschpe 1:1c6a9eaf55b5 66 _lock
dreschpe 1:1c6a9eaf55b5 67 LCD.rect(89,0,127,17,1);
dreschpe 1:1c6a9eaf55b5 68 _unlock
dreschpe 1:1c6a9eaf55b5 69 while(true) { // thread loop
dreschpe 1:1c6a9eaf55b5 70 _lock
dreschpe 1:1c6a9eaf55b5 71 v = Pot1.read_u16(); // get value of pot 1
dreschpe 1:1c6a9eaf55b5 72 for (i=90; i<127; i++) {
dreschpe 1:1c6a9eaf55b5 73 s = 8 * sin((long double)(i+k) /5);
dreschpe 1:1c6a9eaf55b5 74 a = 8 * sin((long double)(i+k-1) /5);
dreschpe 1:1c6a9eaf55b5 75 LCD.pixel(i,9 + (int)a ,0);
dreschpe 1:1c6a9eaf55b5 76 LCD.pixel(i,9 + (int)s ,1);
dreschpe 1:1c6a9eaf55b5 77 }
dreschpe 1:1c6a9eaf55b5 78 LCD.copy_to_lcd();
dreschpe 1:1c6a9eaf55b5 79 _unlock
dreschpe 1:1c6a9eaf55b5 80 k++;
dreschpe 1:1c6a9eaf55b5 81 Thread::wait(v/100);
dreschpe 1:1c6a9eaf55b5 82 }
dreschpe 1:1c6a9eaf55b5 83 }
dreschpe 0:f6a57b843f79 84
dreschpe 0:f6a57b843f79 85
dreschpe 1:1c6a9eaf55b5 86 void thread5(void const *args)
dreschpe 1:1c6a9eaf55b5 87 {
dreschpe 1:1c6a9eaf55b5 88 int k;
dreschpe 1:1c6a9eaf55b5 89 while(true) { // thread loop
dreschpe 1:1c6a9eaf55b5 90 k = Pot2.read_u16(); // get the value of poti 2
dreschpe 1:1c6a9eaf55b5 91 k = k >> 10; // we need only 6 bit
dreschpe 1:1c6a9eaf55b5 92 _lock
dreschpe 1:1c6a9eaf55b5 93 LCD.set_contrast(k);
dreschpe 1:1c6a9eaf55b5 94 _unlock
dreschpe 1:1c6a9eaf55b5 95 Thread::wait(500);
dreschpe 1:1c6a9eaf55b5 96 }
dreschpe 1:1c6a9eaf55b5 97 }
dreschpe 1:1c6a9eaf55b5 98
dreschpe 0:f6a57b843f79 99 int main()
dreschpe 0:f6a57b843f79 100 {
dreschpe 0:f6a57b843f79 101 int j;
dreschpe 0:f6a57b843f79 102
dreschpe 0:f6a57b843f79 103 LCD.claim(stdout); // send stdout to the LCD display
dreschpe 1:1c6a9eaf55b5 104 LCD.cls();
dreschpe 1:1c6a9eaf55b5 105 //start thread1
dreschpe 0:f6a57b843f79 106 Thread t1(thread1);
dreschpe 1:1c6a9eaf55b5 107 //start thread2
dreschpe 0:f6a57b843f79 108 Thread t2(thread2);
dreschpe 1:1c6a9eaf55b5 109 //start thread4
dreschpe 1:1c6a9eaf55b5 110 Thread t4(thread4);
dreschpe 1:1c6a9eaf55b5 111 Thread t5(thread5);
dreschpe 0:f6a57b843f79 112
dreschpe 0:f6a57b843f79 113 while(true) { // this is the third thread
dreschpe 0:f6a57b843f79 114 _lock
dreschpe 1:1c6a9eaf55b5 115 LCD.locate(0,9);
dreschpe 0:f6a57b843f79 116 LCD.set_font((unsigned char*) Small_7);
dreschpe 1:1c6a9eaf55b5 117 j = LCD.get_contrast();
dreschpe 1:1c6a9eaf55b5 118 printf("contrast : %d",j);
dreschpe 0:f6a57b843f79 119 LCD.copy_to_lcd();
dreschpe 0:f6a57b843f79 120 _unlock
dreschpe 1:1c6a9eaf55b5 121 Thread::wait(500);
dreschpe 0:f6a57b843f79 122 }
dreschpe 1:1c6a9eaf55b5 123
dreschpe 0:f6a57b843f79 124 }