pwmout - RZ_A2XX - add read methods for period and pulsewidth

Author: talorion

targets/TARGET_RENESAS/TARGET_RZ_A2XX/pwmout_api.c

@@ -166,6 +166,11 @@ void pwmout_period_us(pwmout_t *obj, int us)
     pwmout_write(obj, obj->duty);
 }
 
+int pwmout_read_period_us(pwmout_t *obj)
+{
+    return obj->pwm->GTPR.LONG;
+}
+
 void pwmout_pulsewidth(pwmout_t *obj, float seconds)
 {
     pwmout_pulsewidth_us(obj, seconds * 1000000.0f);
@@ -188,6 +193,14 @@ void pwmout_pulsewidth_us(pwmout_t *obj, int us)
     pwmout_write(obj, value);
 }
 
+int pwmout_read_pulsewidth_us(pwmout_t *obj)
+{
+    if (obj->type == 0) {
+        return (float)obj->pwm->GTCCRC.LONG;
+    }
+    return (float)obj->pwm->GTCCRE.LONG ;
+}
+
 const PinMap *pwmout_pinmap()
 {
     return PinMap_PWM;