TFC library Kacper

Dependents:   2018_NXP_car_Kacper

Fork of FRDM-TFC by Eli Hughes

Files at this revision

API Documentation at this revision

Comitter:
evenix
Date:
Mon Apr 30 18:32:16 2018 +0000
Parent:
8:24430a0d7fd8
Commit message:
Added a potentiometer reading function with different range of values.

Changed in this revision

TFC.cpp Show annotated file Show diff for this revision Revisions of this file
TFC.h Show annotated file Show diff for this revision Revisions of this file
--- a/TFC.cpp	Thu Feb 11 14:58:08 2016 +0000
+++ b/TFC.cpp	Mon Apr 30 18:32:16 2018 +0000
@@ -960,15 +960,11 @@
 
 void TFC_SetMotorPWM(float MotorA , float MotorB)
 {
-    if(MotorA>1.0)
-        MotorA = 1.0;
-    else if(MotorA<-1.0)
-        MotorA = -1.0;
+    if(MotorA>1.0) MotorA = 1.0;
+    else if(MotorA<-1.0) MotorA = -1.0;
 
-    if(MotorB>1.0)
-        MotorB = 1.0;
-    else if(MotorB<-1.0)
-        MotorB = -1.0;
+    if(MotorB>1.0)  MotorB = 1.0;
+    else if(MotorB<-1.0)  MotorB = -1.0;
 
     TPM0->CONTROLS[2].CnV = (uint16_t) ((float)TPM0->MOD * (float)((MotorA + 1.0)/2.0));
     TPM0->CONTROLS[3].CnV = TPM0->CONTROLS[2].CnV;
@@ -986,6 +982,23 @@
         return ((float)PotADC_Value[1]/-((float)ADC_MAX_CODE/2.0))+1.0;
 }
 
+//Pot Reading is Scaled to return a value of 0 to 10.0
+//float TFC_ReadPotRange(uint8_t Channel)
+//{
+//    if(Channel == 0)
+//        return (((float)PotADC_Value[0]-1)/40.94);
+//    else
+//        return (((float)PotADC_Value[1]-1)/40.94);
+//}
+
+float TFC_ReadPotRange(uint8_t Channel)
+{
+    if(Channel == 0)
+        return ((float)PotADC_Value[0]);
+    else
+        return ((float)PotADC_Value[1]);
+}
+
 float TFC_ReadBatteryVoltage()
 {
     return (((float)BatSenseADC_Value/(float)(ADC_MAX_CODE)) * 3.0);// * ((47000.0+10000.0)/10000.0);
--- a/TFC.h	Thu Feb 11 14:58:08 2016 +0000
+++ b/TFC.h	Mon Apr 30 18:32:16 2018 +0000
@@ -149,7 +149,7 @@
 * It can be used to synchronize events to the start of a servo cycle. ServoTicker is a volatile uint32_t and is updated in the TPM1 overlflow interrupt.  This means you will see ServoTicker increment on the rising edge of the servo PWM signal
 *
 */
- extern volatile uint32_t TFC_ServoTicker;
+extern volatile uint32_t TFC_ServoTicker;
 
 
 /** Gets the state of the 4-positiomn DIP switch on the FRDM-TFC
@@ -211,6 +211,9 @@
 */
 float TFC_ReadPot(uint8_t Channel);
 
+/// Reads potentiometers with range from 0 to 100
+float TFC_ReadPotRange(uint8_t Channel);
+
 /** Gets the current battery voltage
 *
 *  @returns    Battery voltage in floating point form.
@@ -227,8 +230,8 @@
 void TFC_SetBatteryLED_Level(uint8_t BattLevel);
 
 
-/** Pointer to two channels of line scan camera data.   Each channel is 128 points of uint8_t's.  Note that the underlying implementation is ping-pong buffer  These pointers will point to the 
-*inactive buffer.   
+/** Pointer to two channels of line scan camera data.   Each channel is 128 points of uint8_t's.  Note that the underlying implementation is ping-pong buffer  These pointers will point to the
+*inactive buffer.
 *
 */