Lab3Part4
Dependencies: mbed mbed-rtos wave_player_appbd 4DGL-uLCD-SE SDFileSystem
Revision 5:471ccc07dbaf, committed 2019-10-07
- Comitter:
- TCNoodleshop
- Date:
- Mon Oct 07 02:39:45 2019 +0000
- Parent:
- 4:79863d2ea5a0
- Commit message:
- Lab3Part4;
Changed in this revision
diff -r 79863d2ea5a0 -r 471ccc07dbaf 4DGL-uLCD-SE.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/4DGL-uLCD-SE.lib Mon Oct 07 02:39:45 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/4180_1/code/4DGL-uLCD-SE/#2cb1845d7681
diff -r 79863d2ea5a0 -r 471ccc07dbaf C12832_lcd.lib --- a/C12832_lcd.lib Sun Sep 22 17:57:46 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/dreschpe/code/C12832_lcd/#c9afe58d786a
diff -r 79863d2ea5a0 -r 471ccc07dbaf LCD_fonts.lib --- a/LCD_fonts.lib Sun Sep 22 17:57:46 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/dreschpe/code/LCD_fonts/#d0b7d7bf1f56
diff -r 79863d2ea5a0 -r 471ccc07dbaf SDFileSystem.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Mon Oct 07 02:39:45 2019 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/SDFileSystem/#c8f66dc765d4
diff -r 79863d2ea5a0 -r 471ccc07dbaf main.cpp --- a/main.cpp Sun Sep 22 17:57:46 2013 +0000 +++ b/main.cpp Mon Oct 07 02:39:45 2019 +0000 @@ -1,164 +1,102 @@ -// example to test the mbed Lab Board lcd lib with the mbed rtos -// Pot1 changes the contrast -// Pot2 changes the speed of the sin wave - #include "mbed.h" #include "rtos.h" -#include "Small_6.h" -#include "Small_7.h" -#include "Arial_9.h" -#include "stdio.h" -#include "C12832_lcd.h" - +#include "uLCD_4DGL.h" +#include "SDFileSystem.h" +#include "wave_player.h" +#include "string.h" -C12832_LCD LCD; -AnalogIn Pot1(p19); -AnalogIn Pot2(p20); -PwmOut Speaker(p26); -PwmOut RGBLED_r(p23); -PwmOut RGBLED_g(p24); -PwmOut RGBLED_b(p25); -DigitalIn joyfire(p14); -BusIn joy(p15,p12,p13,p16); -BusOut leds(LED1,LED2,LED3,LED4); +uLCD_4DGL uLCD(p9, p10, p11); // serial tx, serial rx, reset pin; +SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card +PwmOut Red(p21); +PwmOut Green(p22); +PwmOut Blue(p23); +Serial pc(USBTX,USBRX); +//Analog Out Jack +AnalogOut DACout(p18); +//On Board Speaker +PwmOut PWMout(p26); + +wave_player waver(&DACout,&PWMout); // mutex to make the lcd lib thread safe Mutex lcd_mutex; // Thread 1 -// print counter into first line and wait for 1 s +// Increments counter on screen void thread1(void const *args) { - int i; + int i = 0; + while(true) { // thread loop + pc.printf("Thread 1\n\r"); lcd_mutex.lock(); - LCD.locate(0,0); - LCD.set_font((unsigned char*) Small_6); - LCD.printf("Thread1 count: %d",i); + uLCD.locate(1,2); + uLCD.printf("%2D",i); lcd_mutex.unlock(); i++; - Thread::wait(1000); + Thread::wait(1000); // wait 1 s } } // Thread 2 -// print counter into third line and wait for 0,5s +// Plays tick sound void thread2(void const *args) { - int k; + FILE *wave_file=fopen("/sd/mydir/sample.wav","r"); while(true) { // thread loop - lcd_mutex.lock(); - LCD.locate(0,20); - LCD.set_font((unsigned char*) Arial_9); - LCD.printf("Thread 2 count : %d",k); - lcd_mutex.unlock(); - k++; - Thread::wait(500); // wait 0.5s + pc.printf("Thread 2\n\r"); + waver.play(wave_file); + Thread::wait(1000); // wait 1s } } // Thread 3 -// print a sin function in a small window -// the value of pot 1 changes the speed of the sine wave +// Flashes led between red and blue void thread3(void const *args) { - int i,k,v; - double s,a; - k = 1; - lcd_mutex.lock(); - LCD.rect(89,0,127,17,1); - lcd_mutex.unlock(); - while(true) { // thread loop - v = Pot1.read_u16(); // get value of pot 1 - lcd_mutex.lock(); - for (i=90; i<127; i++) { - s = 8 * sin((long double)(i+k) /5); // pixel to print - a = 8 * sin((long double)(i+k-1) /5); // old pixel to erase - LCD.pixel(i,9 + (int)a ,0); // erase pixel - LCD.pixel(i,9 + (int)s ,1); // print pixel + bool flag = 0; + + while(true) { // main is the next thread + pc.printf("Thread 3\n\r"); + flag = !flag; + if(flag == 0) // make led red + { + Red = 1; + Green = 0; + Blue = 0; } - LCD.copy_to_lcd(); // LCD.pixel does not update the lcd - lcd_mutex.unlock(); - k++; - Thread::wait(v/100); // value of pot1 / 100 + else // make led blue + { + Red = 0; + Green = 0; + Blue = 1; + } + Thread::wait(500); // wait 0.5 } } -// Thread 4 -// input pot 2 and change the contrast of LCD -void thread4(void const *args) -{ - int k; - while(true) { // thread loop - k = Pot2.read_u16(); // get the value of poti 2 - k = k >> 10; // need only 6 bits for contrast - lcd_mutex.lock(); - LCD.set_contrast(k); - lcd_mutex.unlock(); - Thread::wait(500); // wait 0.5s - } -} -// Thread 5 -// RGB LED -void thread5(void const *args) +int main() { - while(true) { // thread loop - RGBLED_r = 0.5 + (rand() % 11)/20.0; - RGBLED_g = 0.5 + (rand() % 11)/20.0; - RGBLED_b = 0.5 + (rand() % 11)/20.0; - Thread::wait(1667); // wait 1.5s - } -} -// Thread 6 -// Speaker -void thread6(void const *args) -{ - while(true) { // thread loop - Speaker.period(1.0/800.0); - Speaker = 0.01; - Thread::wait(1000); // wait 1.0s - Speaker.period(1.0/969.0); - Speaker = 0.01; - Thread::wait(1000); // wait 1.0s + bool flag = 0; + + Thread t1(thread1); //start thread1 + //Thread t2(thread2); //start thread2 + Thread t3(thread3); //start thread3 + + // Flashes screen background between red and blue + while(true) { // main is the next thread + pc.printf("Thread 4"); + lcd_mutex.lock(); + flag = !flag; + if(flag == 0) + { + uLCD.filled_circle(120, 60, 10, RED); + } + else + { + uLCD.filled_circle(120, 60, 10, BLUE); + } + lcd_mutex.unlock(); + Thread::wait(500); // wait 0.5 } } - -// Thread 7 -// Joystick controls onboard mbed LEDs -void thread7(void const *args) -{ - while(true) { // thread loop - if (joyfire) { - leds = 0xf; - } else { - leds = joy; - } - Thread::wait(200); // wait 0.25s - } -} - - - -int main() -{ - int j; - LCD.cls(); - - Thread t1(thread1); //start thread1 - Thread t2(thread2); //start thread2 - Thread t3(thread3); //start thread3 - Thread t4(thread4); //start thread4 - Thread t5(thread5); //start thread5 - Thread t6(thread6); //start thread6 - Thread t7(thread7); //start thread7 - - while(true) { // main is the next thread - lcd_mutex.lock(); - LCD.locate(0,9); - LCD.set_font((unsigned char*) Small_7); - j = LCD.get_contrast(); // read the actual contrast - LCD.printf("contrast : %d",j); - lcd_mutex.unlock(); - Thread::wait(500); // wait 0.5s - } -}
diff -r 79863d2ea5a0 -r 471ccc07dbaf wave_player_appbd.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wave_player_appbd.lib Mon Oct 07 02:39:45 2019 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/4180_1/code/wave_player_appbd/#b1cea7afcfd2