Kenji Arai / DRV8830

DRV8830/Texas Instruments H-Bridge Voltage-Controlled Motor Driver library for Brushed DC Motor

Dependents:   NucleoF401_motor_test_simple Frequency_Counter_w_GPS_1PPS Nucleo_ACM1602_I2C_DC_Angle Frequency_Cntr_1PPS_F746ZG

Diff: DRV8830.cpp

Revision:
3:98a9369ed390
Parent:
1:a9b58bc85be0
Child:
4:323a62f5fff3
--- a/DRV8830.cpp	Thu Nov 27 21:41:21 2014 +0000
+++ b/DRV8830.cpp	Tue Dec 23 23:28:54 2014 +0000
@@ -83,14 +83,14 @@
 uint8_t pwm_rate = 0;
 uint8_t dt[2];
 
-    if (speed == 0.0 ){
+    if (speed == 0.0f ){
         pwm_rate = DRV8830_V_MIN;
         direction = DRV8830_FREE;
-    } else if (speed > 0.0){
+    } else if (speed > 0.0f){
         pwm_rate = (uint8_t)(DRV8830_V_RANGE * speed) + DRV8830_V_MIN;
         direction = DRV8830_CW;
-    } else if (speed < 0.0){
-        speed *= -1;
+    } else if (speed < 0.0f){
+        speed *= -1.0f;
         pwm_rate = (uint8_t)(DRV8830_V_RANGE * speed) + DRV8830_V_MIN;
         direction = DRV8830_CCW;
     }