vivien pizzini
Triple axis accelerometer, 2645 project el13vp Vivien Pizzini
Dependencies: TripleAxisAccelerometerEL13VP N5110 PowerControl mbed
Dependents: TripleAxisAccelerometerEL13VP
Diff: main.cpp
- Revision:
- 0:1b40be583deb
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon May 11 22:17:38 2015 +0000
@@ -0,0 +1,621 @@
+
+/**
+@file main.cpp
+@brief Program implementation
+@author Vivien Pizzini
+@date May 2015
+
+*/
+
+#include "mbed.h"
+#include "MMA8452.h"
+#include "N5110.h"
+#include "PowerControl.h"
+#define PI 3.14159265
+
+
+
+
+MMA8452 mma8452(p28,p27); /*!< Data and clock line for sensor-SDA,SCL */
+N5110 lcd(p7,p8,p9,p10,p11,p13,p26);
+Serial serial(USBTX,USBRX);/*!< Serial ports for USB */
+
+
+/**
+@namespace counter
+@brief counter to count the seconds
+*/
+Timer counter;
+
+
+
+void intro();
+void sleepF();
+void slopeOptions();
+void spiritOptions();
+void spiritOptionsxy();
+void spiritBoth();
+void spiritLevelx();
+void spiritLevely();
+void percentage();
+void stopwatch();
+void coordinates();
+void buttonPressed();
+
+
+
+
+
+InterruptIn button1(p16); /*!< Create object connected to pin 16*/
+InterruptIn button2(p17); /*!< Create object connected to pin 17*/
+InterruptIn button3(p15); /*!< Create object connected to pin 15*/
+
+
+
+/**
+@brief Integer variables, will use as flag to tell us when interrupt occurs
+*/
+
+int buttonFlag1 = 0;
+int buttonFlag2 = 0;
+int buttonFlag3 = 0;
+
+
+
+/**
+@brief ISR
+@details after 200 ms, sets the flag and resets the timer
+*/
+
+void buttonPressed1(){
+ if(counter.read_ms()>200)
+buttonFlag1 = 1 ;
+counter.reset();
+}
+void buttonPressed2(){
+ if(counter.read_ms()>200)
+buttonFlag2 = 1 ;
+counter.reset();
+}
+void buttonPressed3(){
+ if(counter.read_ms()>200)
+buttonFlag3 = 1 ;
+counter.reset();
+}
+
+
+
+
+int main() /*!< Main function*/
+{
+
+/**
+@brief Initialise display and sensor
+@details We tell InterruptIn object to generate interrupt when rising edge occurs in the pin
+*/
+ lcd.init();
+ mma8452.init(); /*!<sensor, 100 Hz update rate, ±4g scale */
+
+button1.rise(&buttonPressed1);
+button2.rise(&buttonPressed2);
+button3.rise(&buttonPressed3);
+
+
+ counter.start(); /*!< Counter starts*/
+ intro(); /*!< Call of intro function*/
+}
+
+
+
+
+
+
+
+
+
+/**
+ @namespace intro
+ @brief First menu
+ @details Prints the first three options on display
+*/
+void intro()
+{
+
+lcd.init();
+
+ while(1) {
+
+/**
+ @brief Prints menu on display
+ @details Each option in different line of display
+*/
+
+
+ lcd.printString("1.Sleep",1,1); /*!< Prints Sleep option */
+ lcd.printString("2.Slope menu",1,2); /*!< Prints Slope menu option */
+ lcd.printString("3.Stopwatch ",1,3); /*!< Prints Stopwatch option */
+
+
+
+/**
+ @brief Depending on button pressed, according function is called
+*/
+
+
+ if (buttonFlag1==1) { /*!< If buttonFlag1=1, first button has been pressed */
+ buttonFlag1=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ sleepF(); /*!< Call of related function */
+ }
+ if (buttonFlag2==1) { /*!< If buttonFlag2=1, second button has been pressed */
+ buttonFlag2=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ slopeOptions(); /*!< Call of related function */
+ }
+ if (buttonFlag3==1) { /*!< If buttonFlag3=1, third button has been pressed */
+ buttonFlag3=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ stopwatch(); /*!< Call of related function */
+ }}}
+
+
+
+
+
+
+/**
+ @namespace sleepF
+ @brief Sleep feature
+ @details Puts the mbed in Sleep mode and turns off lcd
+ @details To go back buttons 3 is pressed
+*/
+
+void sleepF(){
+ while(1){
+ lcd.turnOff(); /*!< Lcd turned off */
+ Sleep(); /*!< Mbed in sleep mode */
+ if(buttonFlag3==1){ /*!< Button 1 is pressed */
+ buttonFlag1=0; /*!< Resets flag */
+ break; /*!< Break while loop */
+ }}
+ }
+
+
+
+
+
+
+
+
+/**
+ @namespace stopwatch
+ @brief Stopwatch feature
+ @brief Third option in initial menu
+ @details Prints a timer which can be reset by pressing a button
+ @details Can also print the value below the timer without having to reset
+*/
+
+void stopwatch()
+{
+
+
+ while(1) {
+
+/**
+ @brief Prints strings on bottom of display
+ @details Options can be triggered by pressing a button
+ @details First button resets timer, second button saves timer, third button goes back to menu
+*/
+
+ lcd.printString("Butt1 to reset",0,4); /*!< Prints Reset option */
+ lcd.printString("Butt2 to save",0,5); /*!< Prints Save option */
+
+
+
+/**
+ @brief Set and display timer
+*/
+
+
+ time_t seconds = time(NULL); /*!< Get current time */
+
+ printf("Time as seconds since January 1, 1970 = %d\n", seconds); /*!< Print over serial */
+
+ printf("%s", ctime(&seconds)); /*!< Print over serial */
+
+/**
+ @brief Set buffer
+*/
+ char buffer[14]; /*!< Characters in buffer = 14 */
+ strftime(buffer, 14, "%H:%M:%S ", localtime(&seconds)); /*!< Set time in buffer */
+ lcd.printString(buffer,0,1); /*!< Print buffer */
+
+
+
+/**
+ @brief Depending on button pressed, according function is called
+*/
+
+ if (buttonFlag1==1) { /*!< If buttonFlag1=1, first button has been pressed */
+ buttonFlag1=0; /*!< Flag is reset to 0 */
+ set_time(0); /*!< Sets time to 0 */
+ }
+
+ if ( buttonFlag2==1) { /*!< If buttonFlag2=1, second button has been pressed */
+ buttonFlag2=0; /*!< Flag is reset to 0 */
+lcd.printString(buffer,0,2); /*!< Prints time to buffer */
+
+ }
+ if ( buttonFlag3==1) { /*!< If buttonFlag3=1, third button has been pressed */
+ buttonFlag3=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ intro(); /*!< Go back to initial menu */
+ }}}
+
+
+
+
+
+
+
+
+/**
+ @namespace slopeOptions
+ @brief prints slope options on display
+ @details each option in different line of display
+*/
+
+void slopeOptions(){
+
+ while(1){
+ lcd.printString("1.Percentages",1,1); /*!< Prints Percentages option */
+ lcd.printString("2.Spirit level",1,2); /*!< Prints Spirit level option */
+ lcd.printString("3.Back",1,4); /*!< Prints Back option */
+
+
+
+/**
+ @brief Depending on button pressed, according function is called
+*/
+
+ if ( buttonFlag1==1) { /*!< If buttonFlag1=1, first button has been pressed */
+ buttonFlag1=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ percentage(); /*!< Go to Percentage feature */
+ }
+ if ( buttonFlag2==1) { /*!< If buttonFlag2=1, second button has been pressed */
+ buttonFlag2=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ spiritOptions(); /*!< Go to Spirit Options menu */
+
+ }
+ if ( buttonFlag3==1) { /*!< If buttonFlag3=1, third button has been pressed */
+ buttonFlag3=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ intro(); /*!< Go back to initial menu */
+ }}}
+
+
+
+
+
+
+
+
+
+
+
+/**
+ @namespace percentage
+ @brief Percentage feature
+ @details Calculates percentage of slope in x direction and prints on screen
+ @details Prints if slope is Uphill or Downhill
+*/
+
+void percentage()
+{
+
+
+ Acceleration acceleration; /*!< Acceleration structure declared in MMA8452 class */
+
+ while(1) {
+
+ lcd.printString("Back",55,0); /*!< Prints Back option */
+
+ acceleration = mma8452.readValues(); /*!< Read current values and print over serial port */
+ serial.printf("x = %.2f g y = %.2f g z = %.2f g\n",acceleration.x,acceleration.y,acceleration.z);
+
+ wait(0.3); /*!< Short delay until next reading */
+ lcd.clear(); /*!< Clear Display */
+
+
+
+
+ double slope = (-acceleration.x*90.0); /*!< Variable named slope= -acceleration on x axis*90.0 */
+ double perc; /*!< Variable named perc */
+ perc = tan ( slope * PI / 180.0 ) *100; /*!< Perc is given by 100* the tangent of slope*Pi/180 */
+
+ char bufferPerc[14]; /*!< Characters in buffer = 14 */
+ int lengthPerc = sprintf(bufferPerc,"p= %.1f %%",perc); /*!< Set buffer */
+
+ if (lengthPerc <= 14) /*!< If characters in buffer are less than 14 */
+ lcd.printString(bufferPerc,0,2); /*!< Print buffer */
+
+
+
+ if(slope<0) { /*!< If slope value is negative */
+
+ lcd.printString(" Downhill",0,4); /*!< Print Downhill on display */
+
+ } else if(slope>0) { /*!< If slope value is positive */
+ lcd.printString(" Uphill",0,4); /*!< Print Uphill on display */
+
+ }
+
+ if ( buttonFlag3==1) { /*!< If buttonFlag3=1, third button has been pressed */
+ buttonFlag3=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ slopeOptions(); /*!< Go back to Slope Options menu */
+ }}}
+
+
+
+
+
+
+
+
+
+/**
+ @namespace spiritOptions
+ @brief Spirit Level Options
+ @brief Displays menu with different options for spirit levels
+ @details First option brings to a different menu to choose either x or y
+ @details Second options displays spirit level on both x and y axis
+*/
+
+ void spiritOptions(){
+
+ while(1){
+ lcd.printString("1.X or Y",1,1); /*!< Prints X/Y option */
+ lcd.printString("2.Both",1,2); /*!< Prints Both x and y option */
+ lcd.printString("3.Back",1,4); /*!< Prints Back option */
+
+
+/**
+ @brief Depending on button pressed, according function is called
+*/
+
+ if ( buttonFlag1==1) { /*!< If buttonFlag1=1, first button has been pressed */
+ buttonFlag1=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ spiritOptionsxy(); /*!< Go to Spirit Options X or Y menu */
+ }
+ if ( buttonFlag2==1) { /*!< If buttonFlag2=1, second button has been pressed */
+ buttonFlag2=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ spiritBoth(); /*!< Open Spirit Level on both X and Y axis */
+ }
+ if ( buttonFlag3==1) { /*!< If buttonFlag3=1, third button has been pressed */
+ buttonFlag3=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ slopeOptions(); /*!< Go back to Slope Options menu */
+ }}}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+/**
+ @namespace spiritOptionsxy
+ @brief Menu to choose either X or Y spirit level
+ @details First button brings to X axis spirit level
+ @details Second button brings to Y axis spirit level
+ @details Third button brings back to previous menu
+*/
+
+void spiritOptionsxy(){
+
+ while(1){
+ lcd.printString("1.X",1,1); /*!< Prints X option */
+ lcd.printString("2.Y",1,2); /*!< Prints Y option */
+ lcd.printString("3.Back",1,4); /*!< Prints Back option */
+
+/**
+ @brief depending on button pressed, according function is called
+*/
+ if ( buttonFlag1==1) { /*!< If buttonFlag1=1, first button has been pressed */
+ buttonFlag1=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ spiritLevelx(); /*!< Go to Spirit Level on x axis */
+ }
+ if ( buttonFlag2==1) { /*!< If buttonFlag2=1, second button has been pressed */
+ buttonFlag2=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ spiritLevely(); /*!< Go to Spirit Level on y axis */
+ }
+ if ( buttonFlag3==1) { /*!< If buttonFlag3=1, third button has been pressed */
+ buttonFlag3=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ spiritOptions(); /*!< Go back to Spirit Options menu */
+ }}}
+
+
+
+
+
+
+
+
+
+
+
+/**
+ @namespace spiritBoth
+ @brief X and Y axis spirit level feature
+*/
+
+ void spiritBoth(){
+
+ Acceleration acceleration; /*!< Acceleration structure declared in MMA8452 class */
+
+ while(1) {
+
+ acceleration = mma8452.readValues(); /*!< Read current values and print over serial port */
+ serial.printf("x = %.2f g y = %.2f g z = %.2f g\n",acceleration.x,acceleration.y,acceleration.z);
+
+ wait(0.1); /*!< Short delay until next reading */
+ lcd.clear();
+
+
+/**
+ @brief Draws three circles
+ @details First Circle has coordinates that vary with acceleration on x and y axis
+ @details Second and third circle determine centre of screen as reference for user
+*/
+lcd.drawCircle(acceleration.y*42+42,acceleration.x*24+24,5,0);
+lcd.drawCircle(WIDTH/2,HEIGHT/2,3,0);
+lcd.drawCircle(WIDTH/2,HEIGHT/2,1,1);
+
+lcd.refresh(); /*!< Refresh the screen */
+
+
+ if ( buttonFlag3==1) { /*!< If buttonFlag3=1, third button has been pressed */
+ buttonFlag3=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ spiritOptions(); /*!< Go back to Spirit Options menu */
+ }}}
+
+
+
+
+
+
+
+
+
+
+
+/**
+ @namespace spiritLevelx
+ @brief X axis spirit level feature
+*/
+void spiritLevelx(){
+
+ Acceleration acceleration; /*!< Acceleration structure declared in MMA8452 class */
+
+ while(1) {
+
+ acceleration = mma8452.readValues(); /*!< Read current values and print over serial port */
+ serial.printf("x = %.2f g y = %.2f g z = %.2f g\n",acceleration.x,acceleration.y,acceleration.z);
+
+ wait(0.1); /*!< Short delay until next reading */
+ lcd.clear(); /*!< Clear Display */
+
+ float valuex; /*!< Variable name = valuex */
+ valuex= (acceleration.x*90.0); /*!< Variable value= acceleration in x axis * 90.0 */
+
+ char bufferx[14]; /*!< Characters in buffer = 14 */
+
+
+int lengthx = sprintf(bufferx,"%.2f deg",valuex); /*!< Print valuex in buffer */
+ if (lengthx <= 14) /*!< If characters in lentghtx are less than 14 */
+ lcd.printString(bufferx,18,2); /*!< Print buffer */
+
+
+
+
+
+
+
+/**
+ Draws a circle and two lines across the screen
+ @param i - integer for length of line
+*/
+
+lcd.drawCircle(9,acceleration.x*24+24,5,0); /*!< Draws circle with coordinates that vary with acceleration on x axis */
+
+ for (int i = 0; i < WIDTH; i++) { /*!< i starts from 0, if i is less than the width of the screen, increment i */
+ lcd.setPixel(3,i); /*!< First line,x coordinate = 3, y coordinate = i */
+ lcd.setPixel(15,i); /*!< First line,x coordinate = 15, y coordinate = i */
+ lcd.refresh(); /*!< Refresh the screen */
+ }
+
+
+
+ if ( buttonFlag3==1) { /*!< If buttonFlag3=1, third button has been pressed */
+ buttonFlag3=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ spiritOptionsxy(); /*!< Go back to Spirit Options X or Y menu */
+
+ }}}
+
+
+
+
+
+
+
+
+/**
+ @namespace spiritLevely
+ @brief Y axis spirit level feature
+*/
+void spiritLevely()
+{
+
+ Acceleration acceleration; /*!< Acceleration structure declared in MMA8452 class */
+
+ while(1) {
+
+ acceleration = mma8452.readValues(); /*!< Read current values and print over serial port */
+ serial.printf("x = %.2f g y = %.2f g z = %.2f g\n",acceleration.x,acceleration.y,acceleration.z);
+
+ wait(0.1); /*!< Short delay until next reading */
+ lcd.clear(); /*!< Clear Display */
+
+ float valuey; /*!< Variable name = valuey */
+ valuey= (acceleration.y*90.0); /*!< Variable value= acceleration in y axis * 90.0 */
+
+ char buffery[14]; /*!< Characters in buffer = 14 */
+
+
+int lengthy = sprintf(buffery,"%.2f deg",valuey); /*!< Print valuey in buffer */
+ if (lengthy <= 14) /*!< If characters in lentghty are less than 14 */
+ lcd.printString(buffery,0,4); /*!< Print buffer */
+
+
+
+/**
+ Draws a circle and two lines across the screen
+ @param i - integer for length of line
+*/
+
+lcd.drawCircle(acceleration.y*42+42,18,5,0); /*!< Draws circle with coordinates that vary with acceleration on y axis */
+
+
+ for (int i = 0; i < WIDTH; i++) { /*!< i starts from 0, if i is less than the width of the screen, increment i */
+ lcd.setPixel(i,24); /*!< First line, x coordinate = i, y coordinate = 24 */
+ lcd.setPixel(i,12); /*!< Second line, y coordinate = i, y coordinate = 12 */
+ lcd.refresh(); /*!< Refresh the screen */
+ }
+
+
+
+ if ( buttonFlag3==1) { /*!< If buttonFlag3=1, third button has been pressed */
+ buttonFlag3=0; /*!< Flag is reset to 0 */
+ lcd.clear(); /*!< Clear display */
+ spiritOptionsxy(); /*!< Go back to Spirit Options X or Y menu */
+ }}}
+
+
+