Gajendra Kushwah
Code Demonstrate most of the feature of application board/ /like LED, Speaker,RGB,Joystick,LCD,POT,Accelerometer,temperature sensor/ /by using component of real time operating system such as Mutex, Threads/ Signals,Queue and Memory pool Video at https://www.youtube.com/watch?v=c0pRzfZGfV0
Dependencies: C12832_lcd LCD_fonts LM75B MMA7660 MMA7660FC mbed-rtos mbed
Revision 0:9641fb66f65a, committed 2014-11-02
- Comitter:
- embeddednerd
- Date:
- Sun Nov 02 20:47:05 2014 +0000
- Commit message:
- First Version of code Demonstrate most of the hardware of app-board with use of RTOS
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/C12832_lcd.lib Sun Nov 02 20:47:05 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/dreschpe/code/C12832_lcd/#8f86576007d6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LCD_fonts.lib Sun Nov 02 20:47:05 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/dreschpe/code/LCD_fonts/#d0b7d7bf1f56
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LM75B.lib Sun Nov 02 20:47:05 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/neilt6/code/LM75B/#7ac462ba84ac
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MMA7660.lib Sun Nov 02 20:47:05 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Sissors/code/MMA7660/#36a163511e34
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MMA7660FC.lib Sun Nov 02 20:47:05 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/edodm85/code/MMA7660FC/#2cc4a317402d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Nov 02 20:47:05 2014 +0000
@@ -0,0 +1,386 @@
+
+/************Author embedded nerd**********************/
+/*********www.embedded.zettamonk.com*******************/
+/**************Free to use Lic************************/
+/*************Date 28 Aug 2014***********************/
+/* Code Demonstarte most of the feature of application board/
+/like LED, Speaker,RGB,Joystick,LCD,POT,Accelomenter,temprature sensor/
+/by using component of real time oprating system such as Mutex, Threads/
+Signals,Queue and Memorypool//////////////////////////////////////////*/
+
+/////////////////////////////////////////Header Files//////////////////////
+#include "mbed.h"
+#include "rtos.h" // real time os
+#include "Small_6.h" // LCD
+#include "Small_7.h" // LCD
+#include "Arial_9.h" // LCD
+#include "stdio.h"
+#include "C12832_lcd.h" // LCD
+#include "LM75B.h" // temprature
+#include "MMA7660FC.h"
+#include "MMA7660.h" // Axix
+#include <string>
+#define SET 1
+#define RESET 0
+#define ADDR_MMA7660 0x98 //// I2C SLAVE ADDR MMA7660FC
+
+
+/****************************Defination and Object Creation*****************************/
+C12832_LCD LCD; // LCD object
+BusOut leds(LED1,LED2,LED3,LED4); // Led decration
+AnalogIn Pot1(p19); // Analog pin name decration
+AnalogIn Pot2(p20); // Analog pin name decration
+BusIn Up(p15); //Joy stick
+BusIn Down(p12); //Joy stick
+BusIn Left(p13); //Joy stick
+BusIn Right(p16); //Joy stick
+BusOut Reset(p14); //Joy stick
+PwmOut spkr(p26); //Speaker
+PwmOut r (p23); //RGB red
+PwmOut g (p24); //RGB green
+PwmOut b (p25); // RGB blue
+LM75B sensor(p28,p27); // I2c
+MMA7660FC Acc(p28, p27, ADDR_MMA7660); //sda, scl, Addr
+MMA7660 MMA(p28, p27);
+/*****************************************************************************************/
+//r.period(0);
+
+ // 0 1 2 3 4 5 6 7
+const string display_menu[] = {" ","LED ","POT ","Temp ","Axix ","Spker","RGB ","POT2"}; // aray to display modules on LCD
+unsigned char oprate_menu[] = {0, 0, 0, 0, 0, 0, 0, 0}; // Store Flags for module
+
+
+typedef struct {
+ float voltage;
+ float current;
+ uint32_t counter;
+} message_t;
+MemoryPool<message_t, 16> mpool;
+Queue<message_t, 16> queue;
+
+
+//Mutex decleration of LCD
+Mutex lcd_mutex;
+
+// Semaphore Declearation of Calcualtion with two slots
+Semaphore calculate(2);
+int count= 0,menu = 0;
+/*////////////////////// Thread led/////////////////////////
+Input:
+Output: LED
+ if module flag is set than it will turn led on from 0X00 to 0X0F
+ //////////////////////////////////////////////////////////*/
+void led(void const *args)
+{
+
+ char out =0;
+ while(true) { // thread loop
+ if (oprate_menu[1] == SET) // Checking flag for module
+ {
+ leds = out; // Turning LEd on
+ out++;
+ if(out>16) out = 0; // Reseting count
+ }
+ else leds = 0; // If flag not set than turn of the module
+ Thread::wait(100); // Thread wait .1s
+ }
+
+} // thread close
+
+/*////////////////////// Thread menu_sel/////////////////////////
+Input: Joustick
+Output: Set flag in oprate_menu
+By using left right key user in enable to change module and by up
+cown key user is able to set module on or off bye pressinf enter key
+ //////////////////////////////////////////////////////////*/
+void menu_sel(void const *args)
+{
+ int k;
+ while(true) { // thread loop
+ //LCD.locate(0,5);LCD.printf(" ");
+
+ LCD.set_font((unsigned char*) Small_7);
+ if (Left) // Checking keys
+ {
+ count = 0 ;
+ menu--; // manipulating menue number as per key response
+ if(menu<1){ menu = 7;} //
+ lcd_mutex.lock();
+ LCD.locate(50,10);
+ LCD.printf(" %s",display_menu[menu]); // displaying menue on LCD
+ lcd_mutex.unlock();
+ wait(1);
+ }
+ if (Right)
+ {
+ count = 0 ;
+ menu++;
+ if(menu>7) {menu = 1;}
+
+ lcd_mutex.lock();
+ LCD.locate(50,10);
+ LCD.printf(" %s",display_menu[menu]);
+ lcd_mutex.unlock();
+ wait(1);
+ //while(Right);
+ }
+ if(Up)
+ {
+ count = 1 ; // Manipulating flag as per selection from user
+ LCD.set_font((unsigned char*) Small_7);
+ lcd_mutex.lock();
+ LCD.locate(50,20);
+ LCD.printf(" ON ");
+ lcd_mutex.unlock();
+ }
+ if(Down)
+ {
+ count = 0;
+ LCD.set_font((unsigned char*) Small_7);
+ lcd_mutex.lock();
+ LCD.locate(50,20);
+ LCD.printf(" OFF");
+ lcd_mutex.unlock();
+ }
+ if (Reset)
+ {
+ LCD.set_font((unsigned char*) Small_7);
+ lcd_mutex.lock();
+ LCD.locate(50,20);
+ LCD.printf(" ");
+ lcd_mutex.unlock();
+ oprate_menu[menu] = count;
+ //if menu = 1 thread.signal_set(0x1);
+ }
+
+ Thread::wait(10); // wait 0.5s
+ }
+}
+
+
+/*////////////////////// Thread spk/////////////////////////
+Input:
+Output: Turn on speaker on board
+Turn on PWM on speaker pin for specific period of time
+ //////////////////////////////////////////////////////////*/
+void spk(void const *args)
+{
+ while (1) {
+ if (oprate_menu[5] == SET)
+ {
+ for (float i=2000.0; i<10000.0; i+=500) {
+ spkr.period(1.0/i);
+ spkr=0.5;
+ wait(0.1);}
+ }
+ else {spkr.period(0); spkr=0;}
+ Thread::wait(50);
+ }
+
+}
+
+
+/*////////////////////// Thread pot/////////////////////////
+Input: Analog in
+Output:
+Read the analog value and manupulate it for further use
+ //////////////////////////////////////////////////////////*/
+void pot(void const *args)
+{
+ int k;
+ while(true) // thread loop
+ {
+ if (oprate_menu[2] == SET)
+ {
+ k = Pot1.read_u16(); // get the value of poti 2
+ k = k >> 5; // we need only 6 bit for contrast
+ lcd_mutex.lock();
+ LCD.set_font((unsigned char*) Small_6);
+ LCD.locate(0,10);
+ LCD.printf("Pot: %d",k);
+ lcd_mutex.unlock();
+ //Thread::wait(500); // wait 0.5s
+ }
+ else
+ {
+ lcd_mutex.lock();
+ LCD.set_font((unsigned char*) Small_6);
+ LCD.locate(0,10);
+ LCD.printf(" ");
+ lcd_mutex.unlock();
+ }
+ Thread::wait(50);
+}
+}
+/*////////////////////// Thread pot/////////////////////////
+Input:
+Output: PWM output to RGB led Pin
+Multicolor LED display diffrent colors as per PWM cycle in set
+ //////////////////////////////////////////////////////////*/
+void rgb(void const *args)
+{
+ while(1) {
+ if (oprate_menu[6] == SET)
+ {
+
+ r = 0.5 + (rand() % 11)/20.0;
+ g = 0.5 + (rand() % 11)/20.0;
+ b = 0.5 + (rand() % 11)/20.0;
+
+ }
+
+ else {r =.1;g=0;b=0;}
+ Thread::wait(500);
+ }
+}
+
+/*////////////////////// Thread temp/////////////////////////
+Input:
+Output: PWM output to RGB led Pin
+Multicolor LED display diffrent colors as per PWM cycle in set
+ //////////////////////////////////////////////////////////*/
+
+void temp(void const *args)
+{
+
+ int k;
+ while(true) // thread loop
+ {
+ if (oprate_menu[3] == SET)
+ {
+ lcd_mutex.lock();
+ LCD.set_font((unsigned char*) Small_6);
+ LCD.locate(0,20);
+ LCD.printf("Temp:%.1f", (float)sensor);
+ lcd_mutex.unlock();
+ Thread::wait(50);
+ }
+ else
+ {
+ lcd_mutex.lock();
+ LCD.set_font((unsigned char*) Small_6);
+ LCD.locate(0,20);
+ LCD.printf(" ");
+ lcd_mutex.unlock();
+ Thread::wait(50);
+ }
+
+
+ Thread::wait(50); // wait 0.5s
+}
+}
+
+/*////////////////////// Thread AXIX/////////////////////////
+Input: I2C data
+Output:
+Draw a circle and a buble in it. Buble move with respond to
+change in axix of board
+ //////////////////////////////////////////////////////////*/
+void axix(void const *args)
+{
+ // Acc.init();
+ float x=0, y=0, z=0;
+ while(1)
+ {
+ //int x=0,y=0;
+ if (oprate_menu[4] == SET)
+ {
+
+ Acc.read_Tilt(&x, &y, &z);
+ lcd_mutex.lock();
+ x = (x + MMA.x() * 32.0)/2.0;
+ y = (y -(MMA.y() * 16.0))/2.0;
+ // if(y>25) y = 0; //else if(y<0) y = 0;
+ if(y>8) y =8; if(y<-8) y =-8; if(x>8) x =8; if(x<-8) x =-8; // confining
+ LCD.fillcircle(x+115, y+17, 2, 1); //draw bubble
+ LCD.circle(115, 17, 8, 1);
+ wait(.1); //time delay
+ LCD.fillcircle(x+115, y+17, 2, 0); //erase bubble
+
+ lcd_mutex.unlock();
+ // LCD.locate(0,3);
+ wait_ms(100);
+ }
+ else
+ {
+ lcd_mutex.lock();
+ LCD.circle(115, 17, 8, 0);
+ // LCD.locate(0,3);
+ lcd_mutex.unlock();
+ }
+ Thread::wait(10);
+ }
+}
+
+/*////////////////////// Memory pool example and Semaphore///////////////
+Output:
+
+ //////////////////////////////////////////////////////////*/
+void calci(void const *args) {
+ uint32_t i = 0;
+ while (true) {
+ calculate.wait(); //semaphore
+ i = Pot2.read_u16();;
+ i = (i>>5)/2;
+ message_t *message = mpool.alloc();
+ message->voltage = (i * 3.3) / 1024;
+ message->current = ((i * 3.3) / 2048);
+ message->counter = i;
+ queue.put(message);
+ calculate.release();
+ Thread::wait(100000);
+ }
+}
+
+// print the actual contrast
+int main()
+{
+ int j;
+ // r =0; b=0;g=0;
+ LCD.cls();
+ LCD.set_font((unsigned char*) Small_7);
+ LCD.locate(0,0);
+ LCD.printf(" embedded.zettamonk.com");
+ /////////////////////////////Threads///////////////////
+ Thread t1(led); //start thread1
+ Thread t2(menu_sel); //start thread2
+ Thread t3(spk); //start thread3
+ Thread t4(pot); //start thread4
+ Thread t5(rgb); //start thread4
+ Thread t6(temp); //start thread4
+ Thread t7(axix);
+ Thread t8(calci);
+ Thread t9(calci);
+ ////////////////////////////////////////////////
+ while(true) { // main is the next thread
+
+ if (oprate_menu[7] == SET)
+ {
+ LCD.set_font((unsigned char*) Small_7);
+ LCD.locate(0,0);
+
+ osEvent evt = queue.get();
+ if (evt.status == osEventMessage) {
+ message_t *message = (message_t*)evt.value.p;
+ lcd_mutex.lock();
+ LCD.printf(" V:%.2fv" , message->voltage);
+ LCD.printf(" I:%.2fA" , message->current);
+ LCD.printf(" R: %u ", message->counter);
+ lcd_mutex.unlock();
+ mpool.free(message);
+
+
+ // wait(.2);
+ }
+ else
+ { LCD.set_font((unsigned char*) Small_7);
+ LCD.locate(0,0);
+ lcd_mutex.lock();
+ LCD.printf("embedded.zettamonk.com");
+ lcd_mutex.unlock();
+ }
+
+ Thread::wait(100); // wait 0.5s
+ }
+}
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Sun Nov 02 20:47:05 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#aaa1b2c7c64c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Nov 02 20:47:05 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1 \ No newline at end of file