function name update

Author: inesmaria08

examples/servo/main.c

@@ -17,22 +17,20 @@ int main(void) {
   uint16_t angle = 0;
   uint16_t index = 0; // the first index available.
 
-  if (libtock_read_servo_angle(index, &angle) == RETURNCODE_ENODEVICE) {
+  if (libtock_servo_read_angle(index, &angle) == RETURNCODE_ENODEVICE) {
     printf("\n The index number is bigger than the available servomotors\n");
     return -1;
   }
 
   // Changes the angle of the servomotor from 0 to 180 degrees (waiting 0.1 ms between every change).
   for (int i = 0; i <= 180; i++) {
     // `result` stores the returned code received from the driver.
-    result = libtock_set_servo_angle(index, i);
+    result = libtock_servo_set_angle(index, i);
     if (result == RETURNCODE_SUCCESS) {
       libtocksync_alarm_delay_ms(100);
       // Verifies if the function successfully returned the current angle.
-      if (libtock_read_servo_angle(index, &angle) == RETURNCODE_SUCCESS) {
+      if (libtock_servo_read_angle(index, &angle) == RETURNCODE_SUCCESS) {
         printf("\nThe current angle is: %d", angle);
-      } else {
-        printf("\n This servo cannot return its angle.\n");
       }
     } else if (result == RETURNCODE_EINVAL) {
       printf("\nThe angle you provided exceeds 360 degrees\n");
@@ -42,4 +40,7 @@ int main(void) {
       return -1;
     }
   }
+  if (libtock_servo_read_angle(index, &angle) != RETURNCODE_SUCCESS) {
+    printf("\n This servo cannot return its angle.\n");
+  }
 }

libtock/interface/syscalls/servo_syscalls.c

@@ -16,12 +16,12 @@ returncode_t libtock_servo_count(uint16_t* servo_count) {
 
 }
 
-returncode_t libtock_set_servo_angle(uint16_t index, uint16_t angle) {
+returncode_t libtock_servo_set_angle(uint16_t index, uint16_t angle) {
   syscall_return_t cval = command(DRIVER_NUM_SERVO, 2, index, angle);
   return tock_command_return_novalue_to_returncode(cval);
 }
 
-returncode_t libtock_read_servo_angle(uint16_t index, uint16_t* angle) {
+returncode_t libtock_servo_read_angle(uint16_t index, uint16_t* angle) {
   uint32_t value     = 0;
   syscall_return_t r = command(DRIVER_NUM_SERVO, 3, index, 0);
   // Converts the value returned by the servo, stored in `r`

libtock/interface/syscalls/servo_syscalls.h

@@ -13,9 +13,9 @@ bool libtock_servo_exists(void);
 // Returns the number of available servomotors.
 returncode_t libtock_servo_count(uint16_t* servo_count);
 // Change the angle.
-returncode_t libtock_set_servo_angle(uint16_t index, uint16_t angle);
+returncode_t libtock_servo_set_angle(uint16_t index, uint16_t angle);
 // Requests the current angle from the servo.
-returncode_t libtock_read_servo_angle(uint16_t index, uint16_t* angle);
+returncode_t libtock_servo_read_angle(uint16_t index, uint16_t* angle);
 
 #ifdef __cplusplus
 }