AP_RangeFinder: To define the OK status to LEDDARONE status.

libraries/AP_RangeFinder/AP_RangeFinder_LeddarOne.cpp

@@ -54,7 +54,7 @@ bool AP_RangeFinder_LeddarOne::get_reading(uint16_t &reading_cm)
     }
 
     // send a request message for Modbus function 4
-    if (send_request() < 0) {
+    if (send_request() != LEDDARONE_OK) {
         // TODO: handle LEDDARONE_ERR_SERIAL_PORT
         return false;
     }
@@ -162,7 +162,7 @@ int8_t AP_RangeFinder_LeddarOne::send_request(void)
     }
     uart->flush();
 
-    return 0;
+    return LEDDARONE_OK;
 }
 
  /*

libraries/AP_RangeFinder/AP_RangeFinder_LeddarOne.h

@@ -11,6 +11,7 @@
 #define LEDDARONE_DEFAULT_ADDRESS 0x01
 
 // error codes
+#define LEDDARONE_OK 0
 #define LEDDARONE_ERR_BAD_CRC -1
 #define LEDDARONE_ERR_NO_RESPONSES -2
 #define LEDDARONE_ERR_BAD_RESPONSE -3