Diff: max14871_shield.h

Revision:

1:7e9b864ddacf

Parent:

0:b5189f4ce1cb

Child:

3:89bf07b855e5

--- a/max14871_shield.h	Thu Jul 23 23:36:46 2015 +0000
+++ b/max14871_shield.h	Sun Jul 26 22:19:50 2015 +0000
@@ -1,5 +1,5 @@
 /******************************************************************//**
-* @file Max14871_Shield.h
+* @file max14871_shield.h
 *
 * @author Justin Jordan
 *
@@ -157,13 +157,14 @@
     *    @param[in] md - 1 of 4 motor drivers on the shield
     *    @param[in] mode - 1 of 6 current regulation modes of the 
     *                      motor driver
+    *    @param[in] vref - sets maximum motor current, Max of 2.0V
     *
     * On Exit:
     *    @return 0 on success, non-0 on failure
     **************************************************************/
     int16_t set_current_regulation_mode(max14871_motor_driver_t md, 
                                         max14871_current_regulation_mode_t mode,
-                                        uint8_t vref);
+                                        float vref);
     
     
     /**********************************************************//**
@@ -173,13 +174,12 @@
     *
     * On Entry:
     *    @param[in] md - 1 of 4 motor drivers on the shield
-    *    @param[in] period - period of the pwm signal in 
-    *                            micro-seconds
+    *    @param[in] period - PWM period specified in seconds
     *
     * On Exit:
     *    @return 0 on success, non-0 on failure
     **************************************************************/
-    int16_t set_pwm_period(max14871_motor_driver_t md, uint16_t period);
+    int16_t set_pwm_period(max14871_motor_driver_t md, float period);
     
     
     /**********************************************************//**
@@ -189,13 +189,13 @@
     *
     * On Entry:
     *    @param[in] md - 1 of 4 motor drivers on the shield
-    *    @param[in] duty_cycle - duty cycle of the pwm signal in 
-    *                            micro-seconds
+    *    @param[in] duty_cycle - duty cycle of the pwm signal specified
+    *                            as a percentage
     *
     * On Exit:
     *    @return 0 on success, non-0 on failure
     **************************************************************/
-    int16_t set_pwm_duty_cycle(max14871_motor_driver_t md, uint16_t duty_cycle);
+    int16_t set_pwm_duty_cycle(max14871_motor_driver_t md, float duty_cycle);
                                         
     
     private: