Added SYSSTOP & MSTATE macro

New example main.c

1 files changed, 67 insertions, 63 deletions

diff --git a/rs422lib/rsbus.h b/rs422lib/rsbus.h
index 2e29b9b..1297d72 100644
--- a/rs422lib/rsbus.h
+++ b/rs422lib/rsbus.h
@@ -1,63 +1,67 @@
-/*

- * rsbus.h

- *

- *  Created on: 2014-4-26

- *      Author: Tuowen

- */

-

-// DE RSOUT.RSPIN HIGH ENABLE

-// RE LOW ENABLE -> ALWAYS ENABLE

-// RECEIVE QUERY -> Conditional FNC call

-//		Process -> Output (Done in main program)

-// SMCLK set to 4MHZ

-

-

-#ifndef RSBUS_H_

-#define RSBUS_H_

-

-#include<msp430g2553.h>

-#include"precomp.h"

-

-// MAXIMUM length to be send

-#define RS_MAX   (14)

-

-#define ST_BUSY (0x04)

-#define ST_RUN (0x02)

-#define ST_RES (0x01)

-#define ST_REST (0x00)

-

-// Switch the machine to a new state specified above

-// This will shown on the network -> must call

-#define SWITCH_STATE(STATE) (mac_stat[0]=STATE)

-

-// Changing the state value (unsigned char) ->

-//		Available indices 0,1,2

-#define STATE(X) (mac_stat[X+1])

-

-// Start and Stop bits definition

-// 		Every message sent that does not agree with it will be ignored

-// 		Please avoid this pattern in STATE(X)

-#define STBIT0 (0x5B)

-#define STBIT1 (0xAD)

-#define EDBIT0 (0xA4)

-#define EDBIT1 (0x52)

-

-// Receieve handler ->

-//	Received message and it's length

-typedef void (*rshdlr)(unsigned char* msg,unsigned int len);

-

-// RSBUS init function

-// Setting up UART, DE pin, receieve handler

-void rsbus_init(rshdlr);

-

-// Send something to the rs422 bus

-// Length must not exceeds RS_MAX

-void rsbus_w(int,unsigned char*,unsigned int);

-

-// Machine status -> change it to change the auto respond status

-// 		0 is reserved for machine state specification

-// 		1-3 used for mac_type specific state

-// recommend using SWITCH_STATE & STATE

-extern volatile unsigned char mac_stat[4];

-

-#endif /* RSBUS_H_ */

+/*
+ * rsbus.h
+ *
+ *  Created on: 2014-4-26
+ *      Author: Tuowen
+ */
+
+// DE RSOUT.RSPIN HIGH ENABLE
+// RE LOW ENABLE -> ALWAYS ENABLE
+// RECEIVE QUERY -> Conditional FNC call
+//		Process -> Output (Done in main program)
+// SMCLK set to 4MHZ
+
+
+#ifndef RSBUS_H_
+#define RSBUS_H_
+
+#include<msp430g2553.h>
+#include"precomp.h"
+
+// MAXIMUM length to be send
+#define RS_MAX   (14)
+
+#define ST_BUSY (0x04)
+#define ST_RUN (0x02)
+#define ST_RES (0x01)
+#define ST_REST (0x00)
+
+// Switch the machine to a new state specified above
+// This will shown on the network -> must call
+#define SWITCH_STATE(STATE) (mac_stat[0]=STATE)
+#define MSTATE (mac_stat[0])
+
+// Changing the state value (unsigned char) ->
+//		Available indices 0,1,2
+#define STATE(X) (mac_stat[X+1])
+
+// Return current mac state
+#define RETSTATE (rsbus_w(0,(unsigned char*)mac_stat,4))
+
+// Start and Stop bits definition
+// 		Every message sent that does not agree with it will be ignored
+// 		Please avoid this pattern in STATE(X)
+#define STBIT0 (0x5B)
+#define STBIT1 (0xAD)
+#define EDBIT0 (0xA4)
+#define EDBIT1 (0x52)
+
+// Receieve handler ->
+//	Received message and it's length
+typedef void (*rshdlr)(unsigned char* msg,unsigned int len);
+
+// RSBUS init function
+// Setting up UART, DE pin, receieve handler
+void rsbus_init(rshdlr);
+
+// Send something to the rs422 bus
+// Length must not exceeds RS_MAX
+void rsbus_w(int,unsigned char*,unsigned int);
+
+// Machine status -> change it to change the auto respond status
+// 		0 is reserved for machine state specification
+// 		1-3 used for mac_type specific state
+// recommend using SWITCH_STATE & STATE
+extern volatile unsigned char mac_stat[4];
+
+#endif /* RSBUS_H_ */