F030C8xx_KLink - Gitblit

QuakeGod

2023-02-01 4392349b649164f2b498ca5157ecd141631ea96f

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6a6261	1	/**
Q	2	******************************************************************************
	3	* @file : KWireLess.c
	4	* @brief : K-WireLess Protocol program body
	5	******************************************************************************
	6	*/
	7	#include "KWireLess.h"
	8	#include "functions.h"
	9	#include "string.h"
	10	#include "PLCFunctions.h"
	11	#include "stm32f0xx_hal.h"
	12
	13
	14	/**************************************************************************************************************************************
091773	15	Demo 程序流程 RadioEnableMaster=true 为主机端，主机端发送一个"PING"数据后切换到接收，等待从机返回的应答"PONG"数据LED闪烁
6a6261	16
091773	17	RadioEnableMaster=false 为从机端，从机端接收到主机端发过来的"PING"数据后LED闪烁并发送一个"PONG"数据作为应答
6a6261	18	***************************************************************************************************************************************/
Q	19
	20	//#define USE_MODEM_LORA
	21	#define USE_MODEM_FSK
	22
	23	#define REGION_CN779
	24
	25	#if defined( REGION_AS923 )
	26
	27	#define RF_FREQUENCY 923000000 // Hz
	28
	29	#elif defined( REGION_AU915 )
	30
	31	#define RF_FREQUENCY 915000000 // Hz
	32
	33	#elif defined( REGION_CN779 )
	34
091773	35	#define RF_FREQUENCY 433000000 // Hz
6a6261	36
Q	37	#elif defined( REGION_EU868 )
	38
	39	#define RF_FREQUENCY 868000000 // Hz
	40
	41	#elif defined( REGION_KR920 )
	42
	43	#define RF_FREQUENCY 920000000 // Hz
	44
	45	#elif defined( REGION_IN865 )
	46
	47	#define RF_FREQUENCY 865000000 // Hz
	48
	49	#elif defined( REGION_US915 )
	50
	51	#define RF_FREQUENCY 915000000 // Hz
	52
	53	#elif defined( REGION_US915_HYBRID )
	54
	55	#define RF_FREQUENCY 915000000 // Hz
	56
	57	#else
	58
	59	#error "Please define a frequency band in the compiler options."
	60
	61	#endif
	62
091773	63	#define nChannelBandwidth 100000 // Hz
6a6261	64	#define TX_OUTPUT_POWER 22 // 22 dBm
Q	65
	66	extern bool IrqFired;
	67
091773	68	bool RadioEnableMaster=true;//主从选择
Q	69	uint32_t nRadioChannel=0;
6a6261	70	uint16_t crc_value;
Q	71	/*!
	72	* Radio events function pointer
	73	*/
	74
	75	static RadioEvents_t RadioEvents;
	76
	77	#if defined( USE_MODEM_LORA )
	78
	79	#define LORA_BANDWIDTH 0 // [0: 125 kHz,
	80	// 1: 250 kHz,
	81	// 2: 500 kHz,
	82	// 3: Reserved]
	83	#define LORA_SPREADING_FACTOR 9 // [SF7..SF12]
	84	#define LORA_CODINGRATE 4 // [1: 4/5,
	85	// 2: 4/6,
	86	// 3: 4/7,
	87	// 4: 4/8]
	88	#define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx
	89	#define LORA_SYMBOL_TIMEOUT 0 // Symbols
	90	#define LORA_FIX_LENGTH_PAYLOAD_ON false
	91	#define LORA_IQ_INVERSION_ON false
	92
	93	#elif defined( USE_MODEM_FSK )
	94
	95	#define FSK_FDEV 12e3 // Hz
	96	#define FSK_DATARATE 19.2e3 // bps
	97	#define FSK_BANDWIDTH 50e3 // Hz >> DSB in sx126x
	98	#define FSK_AFC_BANDWIDTH 200e3 // Hz
	99	#define FSK_PREAMBLE_LENGTH 5 // Same for Tx and Rx
	100	#define FSK_FIX_LENGTH_PAYLOAD_ON false
	101
	102	#else
	103	#error "Please define a modem in the compiler options."
	104	#endif
	105
	106	typedef enum
	107	{
	108	LOWPOWER,
	109	RX,
	110	RX_TIMEOUT,
	111	RX_ERROR,
	112	TX,
	113	TX_TIMEOUT,
	114	}States_t;
	115
	116	#define RX_TIMEOUT_VALUE 100
	117	#define BUFFER_SIZE 32 // Define the payload size here
	118
	119	const uint8_t PingMsg[] = "PING";
	120	const uint8_t PongMsg[] = "PONG";
	121
	122	uint16_t BufferSize = BUFFER_SIZE;
	123	uint8_t TX_Buffer[BUFFER_SIZE];
	124	uint8_t RX_Buffer[BUFFER_SIZE];
	125
	126
	127	States_t State = LOWPOWER;
	128
	129	int8_t RssiValue = 0;
	130	int8_t SnrValue = 0;
	131
	132	KWStates KW_State=KW_PON;
	133
	134	void LedToggle(void)
	135	{
091773	136	// GPIO_WriteBit( LED1_PORT, LED1_PIN,Bit_RESET);//LED闪烁
6a6261	137	// HAL_Delay_nMS(10);
Q	138	// GPIO_WriteBit( LED1_PORT, LED1_PIN,Bit_SET);
	139
	140	LL_GPIO_TogglePin(GPIOC,LL_GPIO_PIN_13);
	141	}
	142
091773	143	int KWireLessInit(bool bRadioEnableMaster, uint32_t nChn)
6a6261	144	{
Q	145
	146	RadioEnableMaster = bRadioEnableMaster;
	147	// Radio initialization
	148	RadioEvents.TxDone = OnTxDone;
	149	RadioEvents.RxDone = OnRxDone;
	150	RadioEvents.TxTimeout = OnTxTimeout;
	151	RadioEvents.RxTimeout = OnRxTimeout;
	152	RadioEvents.RxError = OnRxError;
	153
	154
	155	Radio.Init( &RadioEvents );
091773	156	nRadioChannel = nChn;
Q	157	Radio.SetChannel( RF_FREQUENCY + nRadioChannel * nChannelBandwidth );
6a6261	158
Q	159	// Radio.WriteBuffer(0x06C0,data,2);
	160	// Radio.ReadBuffer(0x06C0,test,2);
	161
	162	#if defined( USE_MODEM_LORA )
	163
	164	Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
	165	LORA_SPREADING_FACTOR, LORA_CODINGRATE,
	166	LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
	167	true, 0, 0, LORA_IQ_INVERSION_ON, 3000 );
	168
	169	Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
	170	LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
	171	LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON,
	172	0, true, 0, 0, LORA_IQ_INVERSION_ON, false );
	173
	174	#elif defined( USE_MODEM_FSK )
	175
	176	Radio.SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0,
	177	FSK_DATARATE, 0,
	178	FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
	179	true, 0, 0, 0, 3000 );
	180
	181	Radio.SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
	182	0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
	183	0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, true,
	184	0, 0,false, false );
	185	#else
	186	#error "Please define a frequency band in the compiler options."
	187	#endif
	188	SX126xSetRxTxFallbackMode(0x40); // 0x40-> FS 0x30 -> SD_XOSC 0x20 -> SD_RC
	189	return 0;
	190	}
	191	int KWireLessStart(void)
	192	{
	193	if(RadioEnableMaster)
	194	{
	195
	196	SendPingMsg();
	197	/*
	198	TX_Buffer[0] = 'P';
	199	TX_Buffer[1] = 'I';
	200	TX_Buffer[2] = 'N';
	201	TX_Buffer[3] = 'G';
	202	TX_Buffer[4] = 'G';
	203	TX_Buffer[5] = 'G';
	204	TX_Buffer[6] = 'G';
	205	TX_Buffer[7] = 'G';
	206
	207
	208
091773	209	crc_value=RadioComputeCRC(TX_Buffer,8,CRC_TYPE_IBM);//计算得出要发送数据包CRC值
6a6261	210	TX_Buffer[8]=crc_value>>8;
Q	211	TX_Buffer[9]=crc_value;
	212	Radio.Send( TX_Buffer, 10);
	213	*/
	214	}
	215	else
	216	{
	217	Radio.Rx( RX_TIMEOUT_VALUE );
	218	}
	219
	220	// while( 1 )
	221	// {
	222	// Radio.IrqProcess( ); // Process Radio IRQ
	223	// }
	224	return 0;
	225	}
	226
	227	void SendPingMsg()
	228	{
	229	int len1=12;
	230	TX_Buffer[0] = 'P';
	231	TX_Buffer[1] = 'I';
	232	TX_Buffer[2] = 'N';
	233	TX_Buffer[3] = 'G';
	234	TX_Buffer[4] = KMem.WY[1]>>8;
	235	TX_Buffer[5] = KMem.WY[1];
	236	TX_Buffer[6] = KMem.WY[2]>>8;
	237	TX_Buffer[7] = KMem.WY[2];
	238
091773	239	crc_value=RadioComputeCRC(TX_Buffer,len1,CRC_TYPE_IBM);//计算得出要发送数据包CRC值
6a6261	240	TX_Buffer[len1]=crc_value>>8;
Q	241	TX_Buffer[len1+1]=crc_value;
	242	Radio.Send( TX_Buffer, len1+2);
	243	}
	244	void SendPongMsg(int len1)
	245	{
	246	TX_Buffer[0] = 'P';
	247	TX_Buffer[1] = 'O';
	248	TX_Buffer[2] = 'N';
	249	TX_Buffer[3] = 'G';
	250	TX_Buffer[4] = KMem.WX[0]>>8;
	251	TX_Buffer[5] = KMem.WX[0];
	252	TX_Buffer[6] = KMem.WX[1]>>8;
	253	TX_Buffer[7] = KMem.WX[1];
	254
091773	255	crc_value=RadioComputeCRC(TX_Buffer,len1,CRC_TYPE_IBM);//计算得出要发送数据包CRC值
6a6261	256	TX_Buffer[len1]=crc_value>>8;
Q	257	TX_Buffer[len1+1]=crc_value;
	258	Radio.Send( TX_Buffer, len1+2);
	259
	260	}
	261	void OnTxDone( void )
	262	{
	263	Radio.Standby();
091773	264	Radio.Rx( RX_TIMEOUT_VALUE ); //进入接收
6a6261	265	LL_GPIO_TogglePin(GPIOC,LL_GPIO_PIN_14);
Q	266	int us2=GetuS();
	267	KMem.ScanTimeuS=us2-KMem.LastScanTime;
	268	KMem.LastScanTime = us2;
	269	if (KMem.ScanTimeuS < KMem.MinScanTimeuS) {KMem.MinScanTimeuS = KMem.ScanTimeuS;}
	270	if (KMem.ScanTimeuS > KMem.MaxScanTimeuS) {KMem.MaxScanTimeuS = KMem.ScanTimeuS;}
	271
	272	}
	273
	274	void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
	275	{
	276	BufferSize = size;
	277	memcpy( RX_Buffer, payload, BufferSize );
	278	RssiValue = rssi;
	279	SnrValue = snr;
	280	KMem.DT[40]=rssi; //Radio.Rssi(MODEM_FSK);;
	281	KMem.DT[41]=snr;
	282	KMem.DT[42]++;
	283
	284	Radio.Standby();
	285
	286	if(RadioEnableMaster)
	287	{
	288	if(memcmp(RX_Buffer,PongMsg,4)==0)
	289	{
091773	290	LedToggle();//LED闪烁
6a6261	291	KMem.WX[1]=(RX_Buffer[4]<<8) + RX_Buffer[5];
Q	292	KMem.WX[2]=(RX_Buffer[6]<<8) + RX_Buffer[7];
	293	}
	294	SendPingMsg();
	295	}
	296	else
	297	{
	298	if(memcmp(RX_Buffer,PingMsg,4)==0)
	299	{
091773	300	LedToggle();//LED闪烁
6a6261	301	SendPongMsg(size-2);
091773	302	KMem.WX[1]=(RX_Buffer[4]<<8) + RX_Buffer[5];
Q	303	KMem.WX[2]=(RX_Buffer[6]<<8) + RX_Buffer[7];
	304
	305	// KMem.WY[0]=(RX_Buffer[4]<<8) + RX_Buffer[5];
	306	// KMem.WY[1]=(RX_Buffer[6]<<8) + RX_Buffer[7];
6a6261	307	}
Q	308	else
	309	{
	310	Radio.Rx( RX_TIMEOUT_VALUE );
	311	}
	312	}
	313	}
	314
	315	void OnTxTimeout( void )
	316	{
	317
	318	}
	319
	320	void OnRxTimeout( void )
	321	{
	322	Radio.Standby();
	323	KMem.DT[43]++;
	324	KMem.ErrStat=200;
	325	if(RadioEnableMaster)
	326	{
	327	SendPingMsg();
	328	}
	329	else
	330	{
	331	Radio.Rx( RX_TIMEOUT_VALUE );
	332	}
	333	}
	334
	335	void OnRxError( void )
	336	{
	337
	338	Radio.Standby();
	339	KMem.DT[44]++;
	340	if(RadioEnableMaster)
	341	{
	342	SendPingMsg();
	343	}
	344	else
	345	{
	346	Radio.Rx( RX_TIMEOUT_VALUE );
	347	}
	348
	349	}