Diff: src/ModbusMaster/ModbusMaster.cpp

Revision:

186:16912aa18c2a

Parent:

181:e2c982c94e98

Child:

188:d35a74bf4e92

--- a/src/ModbusMaster/ModbusMaster.cpp	Tue Oct 04 20:51:39 2016 +0000
+++ b/src/ModbusMaster/ModbusMaster.cpp	Wed Oct 05 20:47:21 2016 +0000
@@ -161,6 +161,16 @@
                             }
                             break;
                         case TYPE_32BIT_INT:
+                            int32_t int32_value;
+                            status = ReadModbus_32bit_int( &int32_value, iter->second.order );
+                            if( status == true ) {
+                                ModbusRegisterMap[iter->first].float_value = int32_value;
+                                ModbusRegisterMap[iter->first].valid = true;
+                                logInfo("Modbus Tag:%s value=%2.2f", iter->first.c_str(), ModbusRegisterMap[iter->first].float_value );
+                            } else {
+                                ModbusRegisterMap[iter->first].valid = false;
+                                logInfo("Modbus Read Failed, tag=%s", iter->first.c_str() );
+                            }
                             break;
                         case TYPE_32BIT_UINT:
                             break;
@@ -373,6 +383,36 @@
         default:
             return false;
     }
+//    printf("0x%x 0x%x 0x%x 0x%x\r\n", value.b.hi_hi, value.b.hi_lo, value.b.lo_hi, value.b.lo_lo);
     *float_value = value.f;
     return true;
 }
+
+bool ReadModbus_32bit_int( int32_t *int32_value, int order )
+{
+    MR_REGISTER_32BIT_INT value;
+
+    if (mbInterruptComplete() != true ) {
+        return false;
+    }
+
+    switch( order ) {
+        case BigEndian:
+            value.b.lo_lo = modbus_input_buffer[6];
+            value.b.lo_hi = modbus_input_buffer[5];
+            value.b.hi_lo = modbus_input_buffer[4];
+            value.b.hi_hi = modbus_input_buffer[3];
+            break;
+        case BigEndianReverseWord:
+            value.b.lo_lo = modbus_input_buffer[4];
+            value.b.lo_hi = modbus_input_buffer[3];
+            value.b.hi_lo = modbus_input_buffer[6];
+            value.b.hi_hi = modbus_input_buffer[5];
+            break;
+        default:
+            return false;
+    }
+//    printf("0x%x 0x%x 0x%x 0x%x\r\n", value.b.hi_hi, value.b.hi_lo, value.b.lo_hi, value.b.lo_lo);
+    *int32_value = value.i;
+    return true;
+}
\ No newline at end of file