Move one variant, create other for sniffing

2026-08-29 16:59:32 +00:00 · 2017-06-20 02:51:35 +03:00
parent c4aee10f3d
commit 94d0e5d3fe
23 changed files with 1838 additions and 0 deletions
@@ -0,0 +1,131 @@
+/*
+  AVCLanDrv.h - AVCLan Library for 'duino / Wiring
+  Created by Kochetkov Aleksey, 04.08.2010
+  Version 0.3.1
+*/
+
+#ifndef AVCLanDrv_h
+#define AVCLanDrv_h
+
+#include "Arduino.h"
+#include "config.h"
+
+#define AVCLANDRV_VERSION "0.3.1"
+
+
+#ifdef AVCLAN_RESISTOR
+// avclan driver on resistor
+#define INPUT_IS_SET   (ACSR & _BV(ACO))
+#define INPUT_IS_CLEAR (!(ACSR & _BV(ACO)))
+#define OUTPUT_SET_1   sbi(PORTD, DATAOUT);
+#define OUTPUT_SET_0   cbi(PORTD, DATAOUT);
+#define AVC_OUT_EN     sbi(PORTD, DATAOUT); sbi(DDRD, DATAOUT);  sbi(DDRD, DATAIN); sbi(ACSR, ACD); 
+#define AVC_OUT_DIS    cbi(PORTD, DATAOUT); cbi(DDRD, DATAOUT);  cbi(DDRD, DATAIN); cbi(ACSR, ACD);
+#else
+#ifdef AVCLAN_ST485
+// avclan driver on ST485
+#define INPUT_IS_SET   (bit_is_clear(DATAIN_PIN, DATAIN))
+#define INPUT_IS_CLEAR (bit_is_set(DATAIN_PIN, DATAIN))
+#define OUTPUT_SET_1   (cbi(DATAOUT_PORT, DATAOUT));
+#define OUTPUT_SET_0   (sbi(DATAOUT_PORT, DATAOUT));
+#define AVC_OUT_EN     (sbi(OUTEN_PORT, OUTEN));; 
+#define AVC_OUT_DIS    (cbi(OUTEN_PORT, OUTEN));;
+#else
+//avclan driver on PCA82C250 & LM239N
+#define INPUT_IS_SET   (bit_is_set(DATAIN_PIN, DATAIN))
+#define INPUT_IS_CLEAR (bit_is_clear(DATAIN_PIN, DATAIN))
+#define OUTPUT_SET_1   (cbi(DATAOUT_PORT, DATAOUT));
+#define OUTPUT_SET_0   (sbi(DATAOUT_PORT, DATAOUT));
+#define AVC_OUT_EN     ; 
+#define AVC_OUT_DIS    ;
+#endif
+#endif
+
+#define AVC_NORMAL_BIT_LENGTH           	0x4A  // 37 * (F_CPU / 1000000L / 8) 
+#define AVC_BIT_1_HOLD_ON_LENGTH			0x28  // 20 uS * (F_CPU / 1000000L / 8) 
+#define AVC_BIT_0_HOLD_ON_LENGTH			0x40  // 32 uS * (F_CPU / 1000000L / 8)
+//#define AVC_BIT_0_HOLD_ON_MIN_LENGTH		0x34  // 26 uS * (F_CPU / 1000000L / 8)    Compare half way between a '1' (20 us) and a '0' (32 us ): 32 - (32 - 20) /2 = 26 us
+#define AVC_BIT_0_HOLD_ON_MIN_LENGTH		0x3C  // 30 uS * (F_CPU / 1000000L / 8)    Compare half way between a '1' (20 us) and a '0' (32 us ): 32 - (32 - 20) /2 = 26 us
+#define AVC_START_BIT_LENGTH				0x5D  // 186 uS  * (F_CPU / 1000000L / 32) ,  prescaler 32
+#define AVC_START_BIT_HOLD_ON_LENGTH		0x54  // 168 uS * (F_CPU / 1000000L / 32)    prescaler 32
+#define AVC_START_BIT_HOLD_ON_MIN_LENGTH	0x16  // 44 uS * (F_CPU / 1000000L / 32)      grater that AVC_NORMAL_BIT_LENGTH,  prescaler 32
+#define AVC_1U_LENGTH	                    0x02  // 1 uS * (F_CPU / 1000000L / 8)      
+
+#define AVC_MAXMSGLEN		32
+#define AVC_CONTROL_FLAGS	0xF
+
+typedef enum
+{   // No this is not a mistake, broadcast = 0!
+    AVC_MSG_DIRECT    = 1,
+    AVC_MSG_BROADCAST = 0
+} AvcTransmissionMode;
+
+#define ACT_NONE 0  // no action
+#define EV_NONE	 0	// no event
+
+typedef struct
+{
+	byte	actionID;           // Action id
+	byte	dataSize;           // message size (bytes)
+	byte	data[12];           // message
+} AvcInMessageTable;
+
+typedef struct
+{
+	byte	actionID;           // Action id
+	byte	dataSize;           // message size (bytes)
+	byte	data[14];           // message
+	word	mask;				// mask, set bit = 1 in not checked position (1<<5 or _BV(5) - datap[5] not checked)
+} AvcInMaskedMessageTable;
+
+typedef struct
+{
+	AvcTransmissionMode broadcast;          // Transmission mode: normal (1) or broadcast (0).
+    byte                dataSize;           // message size (bytes)
+    byte                data[14];           // message
+} AvcOutMessage;
+
+#ifndef cbi
+#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
+#endif
+#ifndef sbi
+#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
+#endif
+
+class AVCLanDrv{
+	public:
+		bool	broadcast;
+		word	masterAddress;
+		word	slaveAddress;
+		word	deviceAddress;
+		word	headAddress;
+		byte	dataSize;
+		byte	message[AVC_MAXMSGLEN];
+		byte	event;
+		byte	actionID;
+		bool	readonly;
+		void	begin ();
+		byte	readMessage (void);
+		byte	sendMessage (void);
+		byte	sendMessage (AvcOutMessage*);
+		void 	printMessage (bool incoming);
+		bool	isAvcBusFree (void);
+		byte	getActionID (AvcInMessageTable messageTable[], byte mtSize);
+		byte	getActionID (AvcInMaskedMessageTable messageTable[], byte mtSize);
+		void	loadMessage (AvcOutMessage*);
+	private:
+		bool	_parityBit;
+		word	readBits (byte nbBits);
+		byte	_readMessage (void);
+		byte	_sendMessage (void);
+		void	sendStartBit (void);
+		void	send1BitWord (bool data);
+		void	send4BitWord (byte data);
+		void	send8BitWord (byte data);
+		void	send12BitWord (word data);
+		bool	readAcknowledge (void);
+		bool	handleAcknowledge (void);
+};
+
+extern AVCLanDrv avclan;
+#endif