Diff: ICE-Application/src/ModbusMaster/ModbusMaster.h

Revision:

0:61364762ee0e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ICE-Application/src/ModbusMaster/ModbusMaster.h	Tue Jan 24 19:05:33 2017 +0000
@@ -0,0 +1,116 @@
+/******************************************************************************
+ * 
+ * File:                ModbusMaster.h
+ * Desciption:          interface for the ICE Modbus Master
+ *
+ *****************************************************************************/
+#ifndef MODBUS_MASTER_H
+#define MODBUS_MASTER_H
+
+#include "global.h"
+   
+#ifdef __cplusplus
+#define EXTERNC extern "C"
+#else
+#define EXTERNC
+#endif
+
+EXTERNC void ModbusMaster(void const *args);
+
+#undef EXTERNC
+
+#define SIZE_MB_BUFFER 50
+#define MB_BAUD_RATE 19200
+
+typedef union mr_register_32_bit_float
+{
+    float f;
+    struct
+    {
+        uint16_t    lo;
+        uint16_t    hi;
+    }w;
+    struct
+    {
+        uint8_t    lo_lo;
+        uint8_t    lo_hi;
+        uint8_t    hi_lo;
+        uint8_t    hi_hi;
+    }b;
+} MR_REGISTER_32_BIT_FLOAT;
+
+typedef union mr_register_32_bit_int
+{
+    int32_t i;
+    struct
+    {
+        uint16_t    lo;
+        uint16_t    hi;
+    }w;
+    struct
+    {
+        uint8_t    lo_lo;
+        uint8_t    lo_hi;
+        uint8_t    hi_lo;
+        uint8_t    hi_hi;
+    }b;
+} MR_REGISTER_32BIT_INT;
+
+typedef union mr_register_32_bit_uint
+{
+    uint32_t i;
+    struct
+    {
+        uint16_t    lo;
+        uint16_t    hi;
+    }w;
+    struct
+    {
+        uint8_t    lo_lo;
+        uint8_t    lo_hi;
+        uint8_t    hi_lo;
+        uint8_t    hi_hi;
+    }b;
+} MR_REGISTER_32BIT_UINT;
+
+typedef union mr_register_16_bit_int
+{
+    int16_t w;
+    struct
+    {
+        uint8_t    lo;
+        uint8_t    hi;
+    }b;
+} MR_REGISTER_16BIT_INT;
+
+typedef union mr_register_16_bit_uint
+{
+    uint16_t w;
+    struct
+    {
+        uint8_t    lo;
+        uint8_t    hi;
+    }b;
+} MR_REGISTER_16BIT_UINT;
+
+#define TYPE_32BIT_FLOAT    0
+#define TYPE_32BIT_INT      1
+#define TYPE_32BIT_UINT     2
+#define TYPE_16BIT_INT      3
+#define TYPE_16BIT_UINT     4
+#define TYPE_MULTI_BYTE     5
+
+//Frame crc calucation
+uint16_t modbus_crc(uint8_t* buf, int len);
+void modbus_recv();
+void SendModbusCommand(uint8_t slave_address, uint16_t firstReg, uint16_t noRegs);
+void modbus_init( uint16_t baudRate );
+bool mbIntComplete();
+
+bool ReadModbus_32bit_float( float *float_value, int order, unsigned char *rd_buf );
+bool ReadModbus_32bit_int( int32_t *int32_value, int order, unsigned char *rd_buf );
+
+bool WriteModbus_32bit_float( float float_value, int order, unsigned char *xmt_buf );
+bool WriteModbus_32bit_int( int32_t int32_value, int order, unsigned char *xmt_buf );
+
+#endif