Siphamandla Simelane
Final project
Dependencies: MMA8451Q8a SLCD Vishal_LCD_punch_mtr_8_v5_class mbed
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Vishal_LCD_punch_mtr_8_v5_class
by 
Vishal Bharam
Revision 11:755119e91ed4, committed 2015-05-06
- Comitter:
- sphasim
- Date:
- Wed May 06 16:02:10 2015 +0000
- Parent:
- 10:66f5d56781d9
- Commit message:
- Ready for submission
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD_pedometer_mtr8_v5.cpp Wed May 06 16:02:10 2015 +0000
@@ -0,0 +1,237 @@
+#include "mbed.h"
+#include "MMA8451Q8.h"
+#include "SLCD.h"
+/*
+Test of the accelerometer, digital I/O, on-board LCD screen, and 16-bit ADC.
+ Looing at vector product of the x-y components of the accelerometer.
+ Works pretty well. Still rough, program wise - sc 140710
+ Addiing touch sensor to replace potentiometer.
+ Show x and y components
+ */
+
+#define BLINKTIME 0.7
+#define DATATIME 0.5
+#define DATADISPDWELL 0.2
+#define NUMLEDS 2
+#define LEDON 0
+#define LEDOFF 1
+#define SCALING 13
+#define LCDLEN 10
+#define RSTARTMESS "PNCH"
+#define MAXVECT "MAXV"
+#define XCOMP "XCMP"
+#define YCOMP "YCMP"
+#define ZCOMP "ZCMP"
+#define ANALTOVOLTS 3.3
+#define LEDDELAY 0.400
+//define states
+#define NUMSTATES 4
+#define XCOMPD 0
+#define YCOMPD 1
+#define ZCOMPD 2
+#define VMAXD 3
+#define MAXGS 8
+#define COUNTSCALE 1
+#define REG_WHO_AM_I 0x0D
+#define XYZ_DATA_CFG 0x0E
+
+#define REG_OUT_X_MSB 0x01
+#define REG_OUT_Y_MSB 0x03
+#define REG_OUT_Z_MSB 0x05
+
+#define MAX_2G 0x00
+#define MAX_4G 0x01
+#define MAX_8G 0x02
+
+
+#define PROGNAME "LCD_punch_mtr 8 v5\r/n"
+#define LCDNAME "PC.V5"
+
+
+//#define PRINTDBUG
+// Accelerometer SPI pins
+#if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
+ PinName const SDA = PTE25;
+ PinName const SCL = PTE24;
+#elif defined (TARGET_KL05Z)
+ PinName const SDA = PTB4;
+ PinName const SCL = PTB3;
+#else
+ #error TARGET NOT DEFINED
+#endif
+
+#define MMA8451_I2C_ADDRESS (0x1d<<1)
+
+SLCD slcd; //define LCD display
+Timer blinkTimer;
+Timer dataTimer;
+Timer displayTimer;
+MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
+AnalogIn TMP01(PTB1);
+DigitalOut LEDs[NUMLEDS]={LED_RED, LED_GREEN}; //Indicator LEDs
+Serial pc(USBTX, USBRX);
+char displayTitles[NUMSTATES][LCDLEN] = {XCOMP,YCOMP,ZCOMP,MAXVECT};
+float accaxisdata[NUMSTATES];
+char displayformats[NUMSTATES][LCDLEN] = {"%4.0f","y.%3.2f","z.%3.2f","v.%3.2f"};
+
+void LCDMess(char *lMess, float dWait){
+ slcd.Home();
+ slcd.clear();
+ slcd.printf(lMess);
+ wait(dWait);
+}
+void LCDMessNoDwell(char *lMess){
+ slcd.Home();
+ slcd.clear();
+ slcd.printf(lMess);
+}
+
+
+void allLEDsOFF(int numberOfLEDS) {
+ int i;
+ for (i=0;i<numberOfLEDS; i++){
+ LEDs[i] = LEDOFF;
+ }
+
+}
+
+void runLEDs(int numberOfLEDS) {
+ int i;
+ for (i=0;i<numberOfLEDS; i++){
+ LEDs[i] = LEDON;
+ wait(0.2);
+ }
+ allLEDsOFF(numberOfLEDS);
+}
+
+
+
+int main() {
+
+ int RButtonState;
+ int LButtonState;
+ DigitalIn RtButton(PTC12);
+ DigitalIn LftButton(PTC3);
+ int displayState = XCOMPD;
+ float xAcc = 0.0;
+ float yAcc = 0.0;
+ float zAcc = 0.0;
+ float previous_xAcc = 0.0;
+ float xAccDiff = 0.0;
+ int xcounter = 0;
+ float previous_yAcc = 0.0;
+ float yAccDiff = 0.0;
+ int ycounter = 0;
+ float previous_zAcc = 0.0;
+ float zAccDiff = 0.0;
+ int zcounter = 0;
+ float vector;
+ float vMax = 0.0;
+ float DisplayTime = DATADISPDWELL;
+ float LEDDwell = BLINKTIME;
+ int outState = false;
+ char lcdData[LCDLEN]; //buffer needs places dor decimal pt and colon
+ uint8_t regData = MAX_4G; // test value must change after G setting
+
+#ifdef PRINTDBUG
+ pc.printf(PROGNAME);
+#endif
+ LCDMess(LCDNAME, BLINKTIME);
+// Initialze readings and sequence the LED's for dramtic effect.
+ allLEDsOFF(NUMLEDS);
+ blinkTimer.start();
+ blinkTimer.reset();
+ displayTimer.start();
+ displayTimer.reset();
+ dataTimer.start();
+ dataTimer.reset();
+ LCDMess(RSTARTMESS, BLINKTIME);
+// Go into registers ofn Accelerometer, change sensitivity then test.
+// http://cache.freescale.com/files/sensors/doc/data_sheet/MMA8451Q.pdf
+// See page 26
+// Set 2 g max limit ****************** Note limits
+ acc.setGLimit(MAX_4G); // For now set to 2g
+ acc.readRegs(XYZ_DATA_CFG, ®Data, 1);
+ sprintf (lcdData,"%d",regData);
+ LCDMess(lcdData,BLINKTIME);
+ acc.readRegs(REG_WHO_AM_I, ®Data, 1);
+ sprintf (lcdData,"%d",regData);
+ LCDMess(lcdData,BLINKTIME);
+// main loop forever
+ while(true) {
+
+// Handle user input for display selections
+ RButtonState = !RtButton; // button is pulled up so false is when button is pushed it's inverted to avoid confusion downstream
+ if (RButtonState){
+ vMax = 0.0; // Clear vMax
+ LCDMess(RSTARTMESS, BLINKTIME);
+ }
+ LButtonState = !LftButton;
+ if (LButtonState) { //Change data that is displayed
+ displayState = (displayState + 1) % NUMSTATES;
+ // Change to switch/case soon.
+ LCDMess(displayTitles[displayState],BLINKTIME);
+ }
+
+// --------------------------------------------
+ while (dataTimer.read() > DATATIME){
+
+// No offset
+ xAcc = (acc.getAccX());
+ xCounts = acc.getAccAxis(REG_OUT_X_MSB);
+ yAcc = (acc.getAccY());
+ yCounts = acc.getAccAxis(REG_OUT_Y_MSB);
+ zAcc = (acc.getAccZ());
+ zCounts = acc.getAccAxis(REG_OUT_Z_MSB);
+
+
+ //xsteps
+ xAccDiff = abs(previous_xAcc - xAcc);
+ if (xAccDiff > 0.02){
+ xcounter++;
+ };
+
+ //ysteps
+ yAccDiff = abs(previous_yAcc - yAcc);
+ if (yAccDiff > 0.03){
+ ycounter++;
+ };
+
+ //zsteps
+ zAccDiff = abs(previous_zAcc - zAcc);
+ if (zAccDiff > 0.01){
+ zcounter++;
+ };
+
+ previous_xAcc = xAcc;
+ previous_yAcc = yAcc;
+ previous_zAcc = zAcc;
+ printf("%1.2f %1.2f %1.2f %1.2f %d %1.2f %d %1.2f %d\n", xAcc, yAcc, zAcc, xAccDiff, xcounter, yAccDiff, ycounter, zAccDiff, zcounter);
+
+//Prepare data for LCD display
+ accaxisdata[XCOMPD] = abs((float)xcounter/COUNTSCALE); // scalling is set to 1 at this point
+ accaxisdata[YCOMPD] = abs((float)ycounter/COUNTSCALE);
+ accaxisdata[ZCOMPD] = abs((float)zcounter/COUNTSCALE);
+
+
+ accaxisdata[VMAXD] = vMax;
+ dataTimer.reset();
+ LEDDwell = 1.1 - vMax/MAXGS;
+ }
+
+// Display the appropriate data on the LCD based upon what mode was chosen
+ while (displayTimer.read() > DisplayTime){
+ sprintf (lcdData,displayformats[displayState],accaxisdata[displayState]);
+ LCDMessNoDwell(lcdData);
+ displayTimer.reset();
+ } // displaytimer
+// Wait then do the whole thing again.
+// Alive LEDs
+ while(blinkTimer.read()> LEDDwell) {
+ LEDs[0].write(outState);
+ LEDs[1].write(!outState);
+ outState = !outState;
+ blinkTimer.reset();
+ }
+ }//forever loop
+}// main
--- a/LCD_punch_mtr8_v5.cpp Tue Apr 28 23:12:14 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,223 +0,0 @@
-#include "mbed.h"
-#include "MMA8451Q8.h"
-#include "SLCD.h"
-/*
-Test of the accelerometer, digital I/O, on-board LCD screen, and 16-bit ADC.
- Looing at vector product of the x-y components of the accelerometer.
- Works pretty well. Still rough, program wise - sc 140710
- Addiing touch sensor to replace potentiometer.
- Show x and y components
- */
-
-#define BLINKTIME 0.7
-#define DATATIME 0.1
-#define DATADISPDWELL 0.2
-#define NUMLEDS 2
-#define LEDON 0
-#define LEDOFF 1
-#define SCALING 13
-#define LCDLEN 10
-#define RSTARTMESS "PNCH"
-#define MAXVECT "MAXV"
-#define XCOMP "XCMP"
-#define YCOMP "YCMP"
-#define ZCOMP "ZCMP"
-#define ANALTOVOLTS 3.3
-#define LEDDELAY 0.400
-//define states
-#define NUMSTATES 4
-#define XCOMPD 0
-#define YCOMPD 1
-#define ZCOMPD 2
-#define VMAXD 3
-#define MAXGS 8
-#define COUNTSCALE 1
-#define REG_WHO_AM_I 0x0D
-#define XYZ_DATA_CFG 0x0E
-
-#define REG_OUT_X_MSB 0x01
-#define REG_OUT_Y_MSB 0x03
-#define REG_OUT_Z_MSB 0x05
-
-#define MAX_2G 0x00
-#define MAX_4G 0x01
-#define MAX_8G 0x02
-
-
-#define PROGNAME "LCD_punch_mtr 8 v5\r/n"
-#define LCDNAME "PC.V5"
-
-
-//#define PRINTDBUG
-// Accelerometer SPI pins
-#if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
- PinName const SDA = PTE25;
- PinName const SCL = PTE24;
-#elif defined (TARGET_KL05Z)
- PinName const SDA = PTB4;
- PinName const SCL = PTB3;
-#else
- #error TARGET NOT DEFINED
-#endif
-
-#define MMA8451_I2C_ADDRESS (0x1d<<1)
-
-SLCD slcd; //define LCD display
-Timer blinkTimer;
-Timer dataTimer;
-Timer displayTimer;
-MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
-AnalogIn TMP01(PTB1);
-DigitalOut LEDs[NUMLEDS]={LED_RED, LED_GREEN}; //Indicator LEDs
-Serial pc(USBTX, USBRX);
-char displayTitles[NUMSTATES][LCDLEN] = {XCOMP,YCOMP,ZCOMP,MAXVECT};
-float accaxisdata[NUMSTATES];
-char displayformats[NUMSTATES][LCDLEN] = {"%4.0f","y.%3.2f","z.%3.2f","v.%3.2f"};
-
-void LCDMess(char *lMess, float dWait){
- slcd.Home();
- slcd.clear();
- slcd.printf(lMess);
- wait(dWait);
-}
-void LCDMessNoDwell(char *lMess){
- slcd.Home();
- slcd.clear();
- slcd.printf(lMess);
-}
-
-
-void allLEDsOFF(int numberOfLEDS) {
- int i;
- for (i=0;i<numberOfLEDS; i++){
- LEDs[i] = LEDOFF;
- }
-
-}
-
-void runLEDs(int numberOfLEDS) {
- int i;
- for (i=0;i<numberOfLEDS; i++){
- LEDs[i] = LEDON;
- wait(0.2);
- }
- allLEDsOFF(numberOfLEDS);
-}
-
-
-
-int main() {
-
- int RButtonState;
- int LButtonState;
- DigitalIn RtButton(PTC12);
- DigitalIn LftButton(PTC3);
- int displayState = XCOMPD;
- float xAcc = 0.0;
- float yAcc = 0.0;
- float zAcc = 0.0;
- float previous_xAcc = 0.0;
- float xAccDiff = 0.0;
- int counter = 0;
- float vector;
- float vMax = 0.0;
- float DisplayTime = DATADISPDWELL;
- float LEDDwell = BLINKTIME;
- int outState = false;
- char lcdData[LCDLEN]; //buffer needs places dor decimal pt and colon
- uint8_t regData = MAX_4G; // test value must change after G setting
- int16_t xCounts;
- int16_t yCounts;
- int16_t zCounts;
-
-#ifdef PRINTDBUG
- pc.printf(PROGNAME);
-#endif
- LCDMess(LCDNAME, BLINKTIME);
-// Initialze readings and sequence the LED's for dramtic effect.
- allLEDsOFF(NUMLEDS);
- blinkTimer.start();
- blinkTimer.reset();
- displayTimer.start();
- displayTimer.reset();
- dataTimer.start();
- dataTimer.reset();
- LCDMess(RSTARTMESS, BLINKTIME);
-// Go into registers ofn Accelerometer, change sensitivity then test.
-// http://cache.freescale.com/files/sensors/doc/data_sheet/MMA8451Q.pdf
-// See page 26
-// Set 2 g max limit ****************** Note limits
- acc.setGLimit(MAX_4G); // For now set to 2g
- acc.readRegs(XYZ_DATA_CFG, ®Data, 1);
- sprintf (lcdData,"%d",regData);
- LCDMess(lcdData,BLINKTIME);
- acc.readRegs(REG_WHO_AM_I, ®Data, 1);
- sprintf (lcdData,"%d",regData);
- LCDMess(lcdData,BLINKTIME);
-// main loop forever
- while(true) {
-
-// Handle user input for display selections
- RButtonState = !RtButton; // button is pulled up so false is when button is pushed it's inverted to avoid confusion downstream
- if (RButtonState){
- vMax = 0.0; // Clear vMax
- LCDMess(RSTARTMESS, BLINKTIME);
- }
- LButtonState = !LftButton;
- if (LButtonState) { //Change data that is displayed
- displayState = (displayState + 1) % NUMSTATES;
- // Change to switch/case soon.
- LCDMess(displayTitles[displayState],BLINKTIME);
- }
-
-// --------------------------------------------
- while (dataTimer.read() > DATATIME){
-
-// No offset
- xAcc = (acc.getAccX());
- xCounts = acc.getAccAxis(REG_OUT_X_MSB);
- yAcc = (acc.getAccY());
- yCounts = acc.getAccAxis(REG_OUT_Y_MSB);
- zAcc = (acc.getAccZ());
- zCounts = acc.getAccAxis(REG_OUT_Z_MSB);
-
- xAccDiff = abs(previous_xAcc - xAcc);
- if (xAccDiff > 0.5){
- counter++;
- };
- previous_xAcc = xAcc;
- printf("%1.2f %1.2f %1.2f %1.2f %d\n", xAcc, yAcc, zAcc, xAccDiff, counter);
-
- // Calulate vector sum of x,y and z reading.
- vector = sqrt(pow(xAcc,2) + pow(zAcc,2));
- vector = zAcc;
- if (vector > vMax) {
- vMax = vector;
- }
-
-//Prepare data for LCD display
- accaxisdata[XCOMPD] = abs((float)xCounts/COUNTSCALE); // scalling is set to 1 at this point
- accaxisdata[YCOMPD] = abs((float)yCounts/COUNTSCALE);
- accaxisdata[ZCOMPD] = abs((float)zCounts/COUNTSCALE);
-
- accaxisdata[VMAXD] = vMax;
- dataTimer.reset();
- LEDDwell = 1.1 - vMax/MAXGS;
- }
-
-// Display the appropriate data on the LCD based upon what mode was chosen
- while (displayTimer.read() > DisplayTime){
- sprintf (lcdData,displayformats[displayState],accaxisdata[displayState]);
- LCDMessNoDwell(lcdData);
- displayTimer.reset();
- } // displaytimer
-// Wait then do the whole thing again.
-// Alive LEDs
- while(blinkTimer.read()> LEDDwell) {
- LEDs[0].write(outState);
- LEDs[1].write(!outState);
- outState = !outState;
- blinkTimer.reset();
- }
- }//forever loop
-}// main
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SP_LCD_pedometer_mtr_8_v5_class.lib Wed May 06 16:02:10 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/vbharam/code/Vishal_LCD_punch_mtr_8_v5_class/#66f5d56781d9