Revision 3:047cf7350900, committed 2014-09-29

Comitter:

vbharam

Date:

Mon Sep 29 04:01:28 2014 +0000

Parent:

2:6003ed409def

Commit message:

Test of the accelerometer, digital I/O, on-board LCD screen.; Looking at vector product of the x-y components of the accelerometer.; Works pretty well. Still rough, program wise - sc 140710

Changed in this revision

--- a/acc_341.cpp	Thu Sep 25 23:45:35 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,77 +0,0 @@
-#include "mbed.h"
-#include "MMA8451Q.h"
-#include "SLCD.h"
-
-/* 
-Test of the accelerometer, digital I/O, on-board LCD screen.
- Looing at vector product of the x-y components of the accelerometer.
- Works pretty well. Still rough, program wise - sc 140710
- */
-
-#define DATATIME 0.200
-
-#define PROGNAME "ACCLCD341\r/n"
-
-#define PRINTDBUG
-// 
-#if   defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
-  PinName const SDA = PTE25;  // Data pins for the accelerometer/magnetometer.
-  PinName const SCL = PTE24;  // DO NOT CHANGE
-#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
-
-MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
-Serial pc(USBTX, USBRX);
-
-float sqrt_newt(float argument) {
-    return (sqrt(argument));
-}
-   
-
-void LCDMess(char *lMess, float dWait){
-        slcd.Home();
-        slcd.clear();
-        slcd.printf(lMess);
-        wait(dWait);
-} 
-
-
-int main() {
-    float xAcc;
-    float yAcc;
-    float vector;  
-    char lcdData[10]; //buffer needs places dor decimal pt and colon
-    
-#ifdef PRINTDBUG
-        pc.printf(PROGNAME);
-#endif
-// main loop forever 
-    while(true) {
-
-//Get accelerometer data - tilt angles minus offset for zero mark.
-        xAcc = abs(acc.getAccX());
-        yAcc = abs(acc.getAccY());     
- // Calulate vector sum of x and y reading.       
-        vector = sqrt_newt(pow(xAcc,2) + pow(yAcc,2));
-        
- 
-#ifdef PRINTDBUG
-        pc.printf("xAcc = %f\r\n", xAcc);
-        pc.printf("yAcc = %f\r\n", yAcc);
-        pc.printf("vector = %f\r\n",  vector);
-#endif
-
-        sprintf (lcdData,"%4.3f",vector);
-        LCDMess(lcdData, DATATIME);
-// Wait then do the whole thing again.
-        wait(DATATIME);
-    }
-}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/acc_341_VB.cpp	Mon Sep 29 04:01:28 2014 +0000
@@ -0,0 +1,79 @@
+#include "mbed.h"
+#include "MMA8451Q.h"
+#include "SLCD.h"
+
+/* 
+ Test of the accelerometer, digital I/O, on-board LCD screen.
+ Looing at vector product of the x-y components of the accelerometer.
+ Works pretty well. Still rough, program wise - sc 140710
+ 
+ Author: Vishal Bharam
+ Date: 9/29/2014
+ */
+
+#define DATATIME 0.150
+#define PROGNAME "ACCLCD341VB\r/n"
+#define PRINTDBUG
+
+ 
+#if   defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
+  PinName const SDA = PTE25;  // Data pins for the accelerometer/magnetometer.
+  PinName const SCL = PTE24;  // DO NOT CHANGE
+#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
+
+MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
+Serial pc(USBTX, USBRX);
+
+float sqrt_newt(float argument) {
+    return (sqrt(argument));
+}
+   
+
+void LCDMess(char *lMess, float dWait){
+        slcd.Home();
+        slcd.clear();
+        slcd.printf(lMess);
+        wait(dWait);
+} 
+
+
+int main() {
+    float xAcc;
+    float yAcc;
+    float vector;  
+    char lcdData[10]; //buffer needs places dor decimal pt and colon
+    
+#ifdef PRINTDBUG
+        pc.printf(PROGNAME);
+#endif
+// main loop forever 
+    while(true) {
+
+//Get accelerometer data - tilt angles minus offset for zero mark.
+        xAcc = abs(acc.getAccX());
+        yAcc = abs(acc.getAccY());     
+ // Calulate vector sum of x and y reading.       
+        vector = sqrt_newt(pow(xAcc,2) + pow(yAcc,2));
+        
+ 
+#ifdef PRINTDBUG
+        pc.printf("xAcc = %f\r\n", xAcc);
+        pc.printf("yAcc = %f\r\n", yAcc);
+        pc.printf("vector = %f\r\n",  vector);
+#endif
+
+        sprintf (lcdData,"%4.3f",vector);
+        LCDMess(lcdData, DATATIME);
+// Wait then do the whole thing again.
+        wait(DATATIME);
+    }
+}
\ No newline at end of file