--[[ @module fm17622 @summary fm17622的LPCD和读写驱动 @author 杨壮壮 @data 2023/11/20 @usage fm17622=require "fm17622" i2c.setup(1, i2c.FAST) fm17622.setup(1, 0x28,20,32,function() local Key_A = string.char(0x01,0x02,0x03,0x04,0x05,0x06) local wdata = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00} fm17622.write_datablock(4,wdata,0,Key_A) local strat,rdata=fm17622.read_datablock(4,0,Key_A) if strat then log.info(json.encode(rdata)) end end,true) ]] local fm17622 = {} local sys = require "sys" local fm17622_iic_id, fm17622_iic_addr, fm17622_NPD,debug local endcall local nfc_Data = {} local nfc_work=false--防冲突 -- LPCD配置信息 local LPCD_THRSH_H = 0x00 local LPCD_THRSH_L = 0x10 local LPCD_CWP = 10 -- LPCD PMOS输出驱动 0~63 local LPCD_CWN = 10 -- LPCD NMOS输出驱动 0~15 local LPCD_SLEEPTIME = 10 --LPCD 唤醒间隔时间，每一档为32ms，休眠时间：(16+1)*32=544ms local TX1_TX2_CW_DISABLE = 0 local TX1_CW_ENABLE = 1 local TX2_CW_ENABLE = 2 local TX1_TX2_CW_ENABLE = 3 local JREG_PAGE0 = 0x00 -- Page register in page 0 local JREG_COMMAND = 0x01 -- Contains Command bits, PowerDown bit and bit to switch receiver off. local JREG_COMMIEN = 0x02 -- Contains Communication interrupt enable bits andbit for Interrupt inversion. local JREG_DIVIEN = 0x03 -- Contains RfOn, RfOff, CRC and Mode Interrupt enable and bit to switch Interrupt pin to PushPull mode. local JREG_COMMIRQ = 0x04 -- Contains Communication interrupt request bits. local JREG_DIVIRQ = 0x05 -- Contains RfOn, RfOff, CRC and Mode Interrupt request. local JREG_ERROR = 0x06 -- Contains Protocol, Parity, CRC, Collision, Buffer overflow, Temperature and RF error flags. local JREG_STATUS1 = 0x07 -- Contains status information about Lo- and HiAlert, RF-field on, Timer, Interrupt request and CRC status. local JREG_STATUS2 = 0x08 -- Contains information about internal states (Modemstate),Mifare states and possibility to switch Temperature sensor off. local JREG_FIFODATA = 0x09 -- Gives access to FIFO. Writing to register increments theFIFO level (register =0x0A), reading decrements it. local JREG_FIFOLEVEL = 0x0A -- Contains the actual level of the FIFO. local JREG_WATERLEVEL = 0x0B -- Contains the Waterlevel value for the FIFO local JREG_CONTROL = 0x0C -- Contains information about last received bits, Initiator mode bit, bit to copy NFCID to FIFO and to Start and stopthe Timer unit. local JREG_BITFRAMING = 0x0D -- Contains information of last bits to send, to align received bits in FIFO and activate sending in Transceive]] local JREG_COLL = 0x0E -- Contains all necessary bits for Collission handling local JREG_RFU0F = 0x0F -- Currently not used. local JREG_PAGE1 = 0x10 -- Page register in page 1 local JREG_MODE = 0x11 -- Contains bits for auto wait on Rf, to detect SYNC byte in NFC mode and MSB first for CRC calculation local JREG_TXMODE = 0x12 -- Contains Transmit Framing, Speed, CRC enable, bit for inverse mode and TXMix bit. local JREG_RXMODE = 0x13 -- Contains Transmit Framing, Speed, CRC enable, bit for multiple receive and to filter errors. local JREG_TXCONTROL = 0x14 -- Contains bits to activate and configure Tx1 and Tx2 and bit to activate 100% modulation. local JREG_TXAUTO = 0x15 -- Contains bits to automatically switch on/off the Rf and to do the collission avoidance and the initial rf-on. local JREG_TXSEL = 0x16 -- Contains SigoutSel, DriverSel and LoadModSel bits. local JREG_RXSEL = 0x17 -- Contains UartSel and RxWait bits. local JREG_RXTRESHOLD = 0x18 -- Contains MinLevel and CollLevel for detection. local JREG_DEMOD = 0x19 -- Contains bits for time constants, hysteresis and IQ demodulator settings. local JREG_FELICANFC = 0x1A -- Contains bits for minimum FeliCa length received and for FeliCa syncronisation length. local JREG_FELICANFC2 = 0x1B -- Contains bits for maximum FeliCa length received. local JREG_MIFARE = 0x1C -- Contains Miller settings, TxWait settings and MIFARE halted mode bit. local JREG_MANUALRCV = 0x1D -- Currently not used. local JREG_RFU1E = 0x1E -- Currently not used. local JREG_SERIALSPEED = 0x1F -- Contains speed settings for serila interface. local JREG_PAGE2 = 0x20 -- Page register in page 2 local JREG_CRCRESULT1 = 0x21 -- Contains MSByte of CRC Result. local JREG_CRCRESULT2 = 0x22 -- Contains LSByte of CRC Result. local JREG_GSNLOADMOD = 0x23 -- Contains the conductance and the modulation settings for the N-MOS transistor only for load modulation (See difference to JREG_GSN!). local JREG_MODWIDTH = 0x24 -- Contains modulation width setting. local JREG_TXBITPHASE = 0x25 -- Contains TxBitphase settings and receive clock change. local JREG_RFCFG = 0x26 -- Contains sensitivity of Rf Level detector, the receiver gain factor and the RfLevelAmp. local JREG_GSN = 0x27 -- Contains the conductance and the modulation settings for the N-MOS transistor during active modulation (no load modulation setting!). local JREG_CWGSP = 0x28 -- Contains the conductance for the P-Mos transistor. local JREG_MODGSP = 0x29 -- Contains the modulation index for the PMos transistor. local JREG_TMODE = 0x2A -- Contains all settings for the timer and the highest 4 bits of the prescaler. local JREG_TPRESCALER = 0x2B -- Contais the lowest byte of the prescaler. local JREG_TRELOADHI = 0x2C -- Contains the high byte of the reload value. local JREG_TRELOADLO = 0x2D -- Contains the low byte of the reload value. local JREG_TCOUNTERVALHI = 0x2E -- Contains the high byte of the counter value. local JREG_TCOUNTERVALLO = 0x2F -- Contains the low byte of the counter value. local JREG_PAGE3 = 0x30 -- Page register in page 3 local JREG_TESTSEL1 = 0x31 -- Test register local JREG_TESTSEL2 = 0x32 -- Test register local JREG_TESTPINEN = 0x33 -- Test register local JREG_TESTPINVALUE = 0x34 -- Test register local JREG_TESTBUS = 0x35 -- Test register local JREG_AUTOTEST = 0x36 -- Test register local JREG_VERSION = 0x37 -- Contains the product number and the version . local JREG_ANALOGTEST = 0x38 -- Test register local JREG_TESTSUP1 = 0x39 -- Test register local JREG_TESTSUP2 = 0x3A -- Test register local JREG_TESTADC = 0x3B -- Test register local JREG_ANALOGUETEST1 = 0x3C -- Test register local JREG_ANALOGUETEST0 = 0x3D -- Test register local JREG_ANALOGUETPD_A = 0x3E -- Test register local JREG_ANALOGUETPD_B = 0x3F -- Test register local CMD_MASK = 0xF0 local CMD_IDLE = 0x00 local CMD_CONFIGURE = 0x01 local CMD_GEN_RAND_ID = 0x02 local CMD_CALC_CRC = 0x03 local CMD_TRANSMIT = 0x04 local CMD_NOCMDCHANGE = 0x07 local CMD_RECEIVE = 0x08 local CMD_TRANSCEIVE = 0x0C local CMD_AUTOCOLL = 0x0D local CMD_AUTHENT = 0x0E local CMD_SOFT_RESET = 0x0F -- ============================================================================ local JREG_EXT_REG_ENTRANCE = 0x0F -- ext register entrance -- ============================================================================ local JBIT_EXT_REG_WR_ADDR = 0x40 -- wrire address cycle local JBIT_EXT_REG_RD_ADDR = 0x80 -- read address cycle local JBIT_EXT_REG_WR_DATA = 0xC0 -- write data cycle local JBIT_EXT_REG_RD_DATA = 0x00 -- read data cycle -- ============================================================================ local JREG_LPCDTEST = 0x21 -- ============================================================================ -- ============================================================================ local JREG_LPCDGMSEL = 0x24 -- ============================================================================ -- LPCD_ENB_AGC_AVDD = 0x00 -- LPCD_ENB_AGC_DVDD = 0x10 -- LPCD_RXCHANGE_JUDGE_MODE_0 = 0x00 -- LPCD_RXCHANGE_JUDGE_MODE_1 = 0x04 -- LPCD_GM_SEL_0 = 0x00 -- LPCD_GM_SEL_1 = 0x01 -- LPCD_GM_SEL_2 = 0x02 -- LPCD_GM_SEL_3 = 0x03 -- ============================================================================ local JREG_LPCDSARADC1 = 0x25 -- ============================================================================ -- SARADC_SOC_CFG_4 = 0x00 -- SARADC_SOC_CFG_8 = 0x01 -- SARADC_SOC_CFG_16 = 0x02 -- SARADC_SOC_CFG_24 = 0x03 -- ============================================================================ local JREG_LPCDDELTA_HI = 0x26 -- ============================================================================ -- ============================================================================ local JREG_LPCDDELTA_LO = 0x27 -- ============================================================================ -- ============================================================================ local JREG_LPCDICURR_HI = 0x28 -- ============================================================================ -- ============================================================================ local JREG_LPCDICURR_LO = 0x29 -- ============================================================================ -- ============================================================================ local JREG_LPCDQCURR_HI = 0x2A -- ============================================================================ -- ============================================================================ local JREG_LPCDQCURR_LO = 0x2B -- ============================================================================ -- ============================================================================ local JREG_LPCDILAST_HI = 0x2C -- ============================================================================ -- ============================================================================ local JREG_LPCDILAST_LO = 0x2D -- ============================================================================ -- ============================================================================ local JREG_LPCDQLAST_HI = 0x2E -- ============================================================================ -- ============================================================================ local JREG_LPCDQLAST_LO = 0x2F -- ============================================================================ -- ============================================================================ local JREG_LPCDAUX = 0x30 -- ============================================================================ -- IBN2U = 0x00 -- TEST_BG = 0x01 -- TEST_SAMPLE_I = 0x02 -- TEST_AMP_OUT_IN = 0x03 -- TEST_AMP_OUT_IP = 0x04 -- TEST_AMP_OUT_QN = 0x05 -- TEST_AMP_OUT_QP = 0x06 -- OSC_64K = 0x07 -- VBN2 = 0x08 -- VBN1 = 0x09 -- TEST_BG_VREF = 0x0A -- AVSS = 0x0B -- TEST_SAMPLE_Q = 0x0C -- DVDD = 0x0D -- TEST_CRYSTAL_VDD = 0x0E -- AVDD = 0x0F -- FLOAT_IN = 0x10 -- ============================================================================ local JREG_LPCDMISSWUP = 0x31 -- ============================================================================ -- ============================================================================ local JREG_LPCDFLAGINV = 0x32 -- ============================================================================ -- LPCD_FLAG_INV_DISABLE = 0x00 -- LPCD_FLAG_INV_ENABLE = 0x20 -- ============================================================================ local JREG_LPCDSLEEPTIMER = 0x33 -- ============================================================================ -- ============================================================================ local JREG_LPCDTHRESH_H = 0x34 -- ============================================================================ -- ============================================================================ local JREG_LPCDTHRESH_L = 0x35 -- ============================================================================ -- ============================================================================ local JREG_LPCDREQATIMER = 0x37 -- ============================================================================ -- LPCD_IRQMISSWUP_ENABLE = 0x20 -- LPCD_IRQMISSWUP_DISABLE = 0x00 -- LPCD_REQA_TIME_80us = 0x00 -- LPCD_REQA_TIME_100us = 0x01 -- LPCD_REQA_TIME_120us = 0x02 -- LPCD_REQA_TIME_150us = 0x03 -- LPCD_REQA_TIME_200us = 0x04 -- LPCD_REQA_TIME_250us = 0x05 -- LPCD_REQA_TIME_300us = 0x06 -- LPCD_REQA_TIME_400us = 0x07 -- LPCD_REQA_TIME_500us = 0x08 -- LPCD_REQA_TIME_600us = 0x09 -- LPCD_REQA_TIME_800us = 0x0A -- LPCD_REQA_TIME_1ms = 0x0B -- LPCD_REQA_TIME_1ms2 = 0x0C -- LPCD_REQA_TIME_1ms6 = 0x0D -- LPCD_REQA_TIME_2ms = 0x0E -- LPCD_REQA_TIME_2ms5 = 0x0F -- LPCD_REQA_TIME_3ms = 0x10 -- LPCD_REQA_TIME_3ms5 = 0x11 -- LPCD_REQA_TIME_4ms = 0x12 -- LPCD_REQA_TIME_5ms = 0x13 -- LPCD_REQA_TIME_7ms = 0x14 -- ============================================================================ local JREG_LPCDREQAANA = 0x38 -- ============================================================================ -- LPCD_RXGAIN_23DB = 0x00 -- LPCD_RXGAIN_33DB = 0x10 -- default -- LPCD_RXGAIN_38DB = 0x20 -- LPCD_RXGAIN_43DB = 0x30 -- LPCD_MINLEVEL_3 = 0x00 -- LPCD_MINLEVEL_6 = 0x04 -- LPCD_MINLEVEL_9 = 0x08 -- LPCD_MINLEVEL_C = 0x0C -- LPCD_MODWIDTH_32 = 0x00 -- LPCD_MODWIDTH_38 = 0x02 -- ============================================================================ local JREG_LPCDDETECTMODE = 0x39 -- ============================================================================ -- LPCD_TXSCALE_0 = 0x00 -- 1/8 of the TX power configured by CWGSP/CWGSNON -- LPCD_TXSCALE_1 = 0x08 -- 1/4 of the TX power configured by CWGSP/CWGSNON -- LPCD_TXSCALE_2 = 0x10 -- 1/2 of the TX power configured by CWGSP/CWGSNON -- LPCD_TXSCALE_3 = 0x18 -- 3/4 of the TX power configured by CWGSP/CWGSNON -- LPCD_TXSCALE_4 = 0x20 -- equal to of the TX power configured by CWGSP/CWGSNON -- LPCD_TXSCALE_5 = 0x28 -- twice of the TX power configured by CWGSP/CWGSNON -- LPCD_TXSCALE_6 = 0x30 -- 3 times of the TX power configured by CWGSP/CWGSNON -- LPCD_TXSCALE_7 = 0x31 -- 4 times of the TX power configured by CWGSP/CWGSNON -- LPCD_RX_CHANGE_MODE = 0x00 -- LPCD_REQA_MODE = 0x01 -- LPCD_COMBINE_MODE = 0x02 -- ============================================================================ local JREG_LPCDCTRLMODE = 0x3A -- ============================================================================ -- RF_DET_ENABLE = 0x40 -- RF_DET_DISABLE = 0x00 -- RF_DET_SEN_135mV = 0x00 -- RF_DET_SEN_180mV = 0x08 -- RF_DET_SEN_240mV = 0x10 -- RF_DET_SEN_300mV = 0x18 -- LPCD_DISABLE = 0x00 -- LPCD_ENABLE = 0x02 -- ============================================================================ local JREG_LPCDIRQ = 0x3B -- ============================================================================ -- ============================================================================ local JREG_LPCDRFTIMER = 0x3C -- ============================================================================ -- LPCD_IRQINV_ENABLE = 0x20 -- LPCD_IRQINV_DISABLE = 0x00 -- LPCD_IRQ_PUSHPULL = 0x10 -- LPCD_IRQ_OD = 0x00 -- LPCD_RFTIME_5us = 0x00 -- LPCD_RFTIME_10us = 0x01 -- LPCD_RFTIME_15us = 0x02 -- LPCD_RFTIME_20us = 0x03 -- LPCD_RFTIME_25us = 0x04 -- default -- LPCD_RFTIME_30us = 0x05 -- LPCD_RFTIME_35us = 0x06 -- LPCD_RFTIME_40us = 0x07 -- LPCD_RFTIME_50us = 0x08 -- LPCD_RFTIME_60us = 0x09 -- LPCD_RFTIME_70us = 0x0A -- LPCD_RFTIME_80us = 0x0B -- LPCD_RFTIME_100us = 0x0C -- LPCD_RFTIME_120us = 0x0D -- LPCD_RFTIME_150us = 0x0E -- LPCD_RFTIME_200us = 0x0F -- ============================================================================ local JREG_LPCDTXCTRL1 = 0x3D -- ============================================================================ -- LPCD_TX2_ENABLE = 0x20 -- LPCD_TX2_DISABLE = 0x00 -- LPCD_TX1_ENABLE = 0x10 -- LPCD_TX1_DISABLE = 0x00 -- LPCD_TX2ON_INV_ENABLE = 0x08 -- LPCD_TX2ON_INV_DISABLE = 0x00 -- LPCD_TX1ON_INV_ENABLE = 0x04 -- LPCD_TX1ON_INV_DISABLE = 0x00 -- LPCD_TX2OFF_INV_ENABLE = 0x02 -- LPCD_TX2OFF_INV_DISABLE = 0x00 -- LPCD_TX1OFF_INV_ENABLE = 0x01 -- LPCD_TX1OFF_INV_DISABLE = 0x00 -- ============================================================================ local JREG_LPCDTXCTRL2 = 0x3E -- ============================================================================ -- ============================================================================ local JREG_LPCDTXCTRL3 = 0x3F -- ============================================================================ -- LPCD_FLAG_TOUT_ENABLE = 0x20 -- TOUT Pad, set while LPCD DETECT, clear while LPCD SLEEP/SETUP(LPCD_TXEN_FLAG_INV = 0); -- LPCD_FLAG_TOUT_DISABLE = 0x00 -- disable TOUT Pad as the LPCD DETECT flag. -- LPCD_FLAG_D3_ENABLE = 0x10 -- D3 Pad, set while LPCD DETECT, clear while LPCD SLEEP/SETUP(LPCD_TXEN_FLAG_INV = 0); -- LPCD_FLAG_D3_DISABLE = 0x00 -- disable D3 Pad as the LPCD DETECT flag. local fm17622_SUCCESS = 0x00 local fm17622_COMM_ERR = 0xf4 --[[ 写fm17622寄存器 SetReg(address, value) @number address 地址 @number value 值 @usage write_rawrc(fm17622_bit_framing,0x07) ]] local function SetReg(address, value) -- log.info("寄存器写：0x",string.format("%X",address),"值为0x",string.format("%X",value)) i2c.writeReg(fm17622_iic_id, fm17622_iic_addr, address, string.char(value)) end --[[ 读fm17622寄存器 GetReg(address,len) @number address 地址 @number len 读取长度 @return number 寄存器值 @usage local n = read_rawrc(fm17622_com_irq,1) ]] local function GetReg(address, len) if len == nil then len = 1 end local val = i2c.readReg(fm17622_iic_id, fm17622_iic_addr, address, len) -- log.info("iic",val,type(val),#val) if #val == 0 then return nil; end -- log.info("寄存器读：0x",string.format("%X",address),"值为0x",string.format("%X",string.byte(val))) return string.byte(val) end local function SetReg_Ext(address, value) -- log.info("扩展寄存器写：0x",string.format("%X",address),"值为0x",string.format("%X",string.byte(value))) SetReg(JREG_EXT_REG_ENTRANCE, (JBIT_EXT_REG_WR_ADDR + address) % 256) SetReg(JREG_EXT_REG_ENTRANCE, (JBIT_EXT_REG_WR_DATA + value) % 256) return; end -- //*********************************************** -- //函数名称：GetReg_Ext(unsigned char ExtRegAddr) -- //函数功能：读取扩展寄存器值 -- //入口参数：ExtRegAddr:扩展寄存器地址 -- //出口参数：unsigned char TRUE：读取成功 FALSE:失败 -- //*********************************************** local function GetReg_Ext(address) -- log.info("扩展寄存器读：0x",string.format("%X",address)) SetReg(JREG_EXT_REG_ENTRANCE, (JBIT_EXT_REG_RD_ADDR + address)) return GetReg(JREG_EXT_REG_ENTRANCE) end BIT0 = 0x01 BIT1 = 0x02 BIT2 = 0x04 BIT3 = 0x08 BIT4 = 0x10 BIT5 = 0x20 BIT6 = 0x40 BIT7 = 0x80 --[[ 对rc522寄存器置位 @api ModifyReg(address, mask) @number address 地址 @number mask 置位值 @number set 选择置位还是清位 @usage ModifyReg (rc522_fifo_level, 0x80) ]] local function ModifyReg(addr, mask, set) local regdata = GetReg(addr) if set == 1 then regdata = regdata | mask else regdata = regdata & (~mask); end SetReg(addr, regdata); end --[[ 对fm17622寄存器置位 set_bit_mask(address, mask) @number address 地址 @number mask 置位值 @usage ]] local function set_bit_mask(address, mask) ModifyReg(address, mask, 1) end --[[ 对fm17622寄存器清位 clear_bit_mask(address, mask) @number address 地址 @number mask 清位值 @usage clear_bit_mask(rc522_com_irq, 0x80 ) ]] local function clear_bit_mask(address, mask) ModifyReg(address, mask, 0) end -- //************************************* -- //函数 名：fm17622_Initial_ReaderA -- 设置A卡模式 -- //入口参数： -- //出口参数： -- //************************************* local function fm17622_Initial_ReaderA() SetReg(JREG_MODWIDTH, 0x26) -- MODWIDTH = 106kbps ModifyReg(JREG_TXAUTO, BIT6, 1) -- Force 100ASK = 1 SetReg(JREG_GSN, (0x0f << 4)) -- Config GSN Config ModGSN SetReg(JREG_CWGSP, 63) -- Config GSP 0-63 SetReg(JREG_CONTROL, BIT4) -- Initiator = 1 SetReg(JREG_RFCFG, 5 << 4) -- Config RxGain SetReg(JREG_RXTRESHOLD, (8 << 4) | 4) -- Config MinLevel Config CollLevel end local function ReaderA_Request() SetReg(JREG_TXMODE, 0) -- Disable TxCRC SetReg(JREG_RXMODE, 0) -- Disable RxCRC SetReg(JREG_COMMAND, 0) -- command = Idel SetReg(JREG_FIFOLEVEL, 128) -- Clear FIFO SetReg(JREG_FIFODATA, 0x26) SetReg(JREG_COMMAND, 12) -- command = Transceive SetReg(JREG_BITFRAMING, 0x87) -- Start Send sys.wait(5) local reg_data = GetReg(JREG_FIFOLEVEL) if reg_data == 2 then -- nfc_Data["ATQA"] = GetReg(JREG_FIFODATA) * 256 + GetReg(JREG_FIFODATA) return fm17622_SUCCESS end return fm17622_COMM_ERR end local function ReaderA_AntiColl() SetReg(JREG_TXMODE, 0) -- Disable TxCRC SetReg(JREG_RXMODE, 0) -- Disable RxCRC SetReg(JREG_COMMAND, 0) -- command = Idel SetReg(JREG_FIFOLEVEL, 128) -- Clear FIFO SetReg(JREG_FIFODATA, 0x93) SetReg(JREG_FIFODATA, 0x20) SetReg(JREG_COMMAND, 12) -- command = Transceive SetReg(JREG_BITFRAMING, 0x80) -- Start Send sys.wait(5) local reg_data = GetReg(JREG_FIFOLEVEL) if reg_data == 5 then local uid1 = GetReg(JREG_FIFODATA) nfc_Data["UID"] = {} nfc_Data["UID"][1] = uid1 local uid2 = GetReg(JREG_FIFODATA) nfc_Data["UID"][2] = uid2 local uid3 = GetReg(JREG_FIFODATA) nfc_Data["UID"][3] = uid3 local uid4 = GetReg(JREG_FIFODATA) nfc_Data["UID"][4] = uid4 nfc_Data["BCC"] = GetReg(JREG_FIFODATA) if (uid1 ~ uid2 ~ uid3 ~ uid4) == nfc_Data["BCC"] then return fm17622_SUCCESS end return fm17622_COMM_ERR end return fm17622_COMM_ERR end local function ReaderA_Select() SetReg(JREG_TXMODE, 0x80) -- Enable TxCRC SetReg(JREG_RXMODE, 0x80) -- Enable RxCRC SetReg(JREG_COMMAND, 0) -- command = Idel SetReg(JREG_FIFOLEVEL, 128) -- Clear FIFO SetReg(JREG_FIFODATA, 0x93) SetReg(JREG_FIFODATA, 0x70) SetReg(JREG_FIFODATA, nfc_Data["UID"][1]) SetReg(JREG_FIFODATA, nfc_Data["UID"][2]) SetReg(JREG_FIFODATA, nfc_Data["UID"][3]) SetReg(JREG_FIFODATA, nfc_Data["UID"][4]) SetReg(JREG_FIFODATA, nfc_Data["BCC"]) SetReg(JREG_COMMAND, 12) -- command = Transceive SetReg(JREG_BITFRAMING, 0x80) -- Start Send sys.wait(5) local reg_data = GetReg(JREG_FIFOLEVEL) if reg_data == 1 then nfc_Data["SAK"] = GetReg(JREG_FIFODATA) return fm17622_SUCCESS end return fm17622_COMM_ERR end -- ************************************* -- 函数 名：ReaderA_CardActivate -- 开始寻卡，找卡选卡 -- 入口参数： -- 出口参数：fm17622_SUCCESS, fm17622_COMM_ERR -- ************************************* local function ReaderA_CardActivate() local result = ReaderA_Request() if result ~= fm17622_SUCCESS then return fm17622_COMM_ERR end result = ReaderA_AntiColl() if result ~= fm17622_SUCCESS then return fm17622_COMM_ERR end result = ReaderA_Select() if result ~= fm17622_SUCCESS then return fm17622_COMM_ERR end return result end local function SetCW(cw_mode) local reg SetReg(JREG_TXCONTROL, 0x80); if cw_mode == TX1_TX2_CW_DISABLE then ModifyReg(JREG_TXCONTROL, 1 | 2, 0); reg = GetReg(JREG_TXCONTROL) end if cw_mode == TX1_CW_ENABLE then ModifyReg(JREG_TXCONTROL, 1, 1); ModifyReg(JREG_TXCONTROL, 2, 0); end if cw_mode == TX2_CW_ENABLE then ModifyReg(JREG_TXCONTROL, 1, 0); ModifyReg(JREG_TXCONTROL, 2, 1); end if cw_mode == TX1_TX2_CW_ENABLE then ModifyReg(JREG_TXCONTROL, 1 | 2, 1); end sys.wait(5) end --[[ fm17622 发送命令通讯 @number command 发送（0x0e）还是放松并接受（0x0c） @number data 发送是数据 ]] local function command(cmd, data) local out_data = {} local irqEn local waitFor -- SetReg(JREG_TXMODE, 0) -- Disable TxCRC -- SetReg(JREG_RXMODE, 0) -- Disable RxCRC SetReg(JREG_COMMAND, 0) -- command = Idel SetReg(JREG_FIFOLEVEL, 128) -- Clear FIFO for i = 1, #data do SetReg(JREG_FIFODATA, data[i]) end SetReg(JREG_COMMAND, cmd) -- command = Transceive SetReg(JREG_BITFRAMING, 0x80) -- Start Send sys.wait(25) clear_bit_mask(JREG_BITFRAMING, 0x80) local reg_data = GetReg(JREG_FIFOLEVEL) if reg_data == 0 then return nil end for i = 1, reg_data do out_data[i] = GetReg(JREG_FIFODATA) end return out_data end --[[ fm17622 LPCD初始化 ]] function fm17622.LPCD_setup() SetReg(JREG_COMMAND, CMD_SOFT_RESET) sys.wait(5) if GetReg(JREG_COMMAND) ~= 0x20 then log.debug("没有复位成功", GetReg(JREG_COMMAND)) return false; end SetReg_Ext(JREG_LPCDGMSEL, 0x10 | 0x04 | 0x00) SetReg_Ext(JREG_LPCDSARADC1, 0x38 | 0x02); SetReg_Ext(JREG_LPCDCTRLMODE, 0 | 0 | 2) SetReg_Ext(JREG_LPCDDETECTMODE, 0x20 | 0) SetReg_Ext(JREG_LPCDSLEEPTIMER, LPCD_SLEEPTIME) SetReg_Ext(JREG_LPCDRFTIMER, 0x20 | 0x10 | 0x01) SetReg_Ext(JREG_LPCDTHRESH_L, LPCD_THRSH_L) SetReg_Ext(JREG_LPCDTXCTRL2, LPCD_CWP) SetReg_Ext(JREG_LPCDTXCTRL3, LPCD_CWN) log.debug("复位成功") return true end -- //*********************************************** -- //函数名称：Lpcd_Get_ADC_Value() -- //函数功能：Lpcd_Get_ADC_Value读取LPCD的ADC数据 -- 用于调试的lpcd参数 -- //入口参数： -- //出口参数： -- //*********************************************** local function Lpcd_Get_ADC_Value() local reg = GetReg_Ext(JREG_LPCDICURR_HI); local reg1 = GetReg_Ext(JREG_LPCDICURR_LO); local Current1 = (reg << 6) + reg1; Current2 = reg % 4 -- ((reg<<6)>>8); log.debug("-> LPCD I Current is:", Current2, Current1, "\r\n"); reg = GetReg_Ext(JREG_LPCDQCURR_HI); reg1 = GetReg_Ext(JREG_LPCDQCURR_LO); Current1 = (reg << 6) + reg1; Current2 = reg % 4 -- ((reg<<6)>>8); log.debug("-> LPCD Q Current is:", Current2, Current1, "\r\n"); reg = GetReg_Ext(JREG_LPCDILAST_HI); reg1 = GetReg_Ext(JREG_LPCDILAST_LO); Current1 = (reg << 6) + reg1; Current2 = reg % 4 -- ((reg<<6)>>8); log.debug("-> LPCD I Last is:", Current2, Current1, "\r\n"); reg = GetReg_Ext(JREG_LPCDQLAST_HI); reg1 = GetReg_Ext(JREG_LPCDQLAST_LO); Current1 = (reg << 6) + reg1; Current2 = reg % 4 -- ((reg<<6)>>8); log.debug("-> LPCD Q Last is:", Current2, Current1, "\r\n"); reg = GetReg_Ext(JREG_LPCDDELTA_HI); reg1 = GetReg_Ext(JREG_LPCDDELTA_LO); Current1 = (reg << 6) + reg1; Current2 = reg % 4 -- ((reg<<6)>>8); log.debug("-> LPCD Delta is:", Current2, Current1, "\r\n"); end -- //*********************************************** -- //函数名称：Lpcd_Card_Event() -- //函数功能：LPCD检测到卡 -- //入口参数： -- //出口参数： -- //*********************************************** local function Lpcd_Card_Event() fm17622_Initial_ReaderA() SetCW(TX1_TX2_CW_ENABLE) nfc_Data = {}--清空选卡 result = ReaderA_CardActivate() if result == fm17622_SUCCESS then if endcall ~= nil then endcall() end end SetCW(TX1_TX2_CW_DISABLE) nfc_Data = {}--清空结束 end -- //*********************************************** -- //函数名称：Lpcd_IRQ_Event() -- //函数功能：LPCD中断处理 -- //入口参数： -- //出口参数： -- //*********************************************** function fm17622.Lpcd_IRQ_Event() log.debug("fm17622.Lpcd_IRQ_Event"); gpio.set(fm17622_NPD, 1) sys.wait(5) local reg = GetReg_Ext(JREG_LPCDIRQ) -- 读取LPCD中断标志，LPCD中断需要判断LPCD IRQ RXCHANGE(0x04)是否置位 SetReg_Ext(JREG_LPCDIRQ, reg) -- CLEAR LPCD IRQ if (reg & 0x08) ~= 0 then log.debug("fm17622.Lpcd_IRQ_Event", "-> LPCD IRQ RFDET SET!\r\n"); end if (reg & 0x04) ~= 0 then log.debug("fm17622.Lpcd_IRQ_Event", "-> LPCD IRQ RXCHANGE SET!\r\n"); -- LPCD中断标志 if debug~=nil then if debug==true then Lpcd_Get_ADC_Value() end end Lpcd_Card_Event() end if (reg & 0x02) ~= 0 then log.debug("fm17622.Lpcd_IRQ_Event", "-> LPCD IRQ ATQAREC SET!\r\n"); end if (reg & 0x10) ~= 0 then log.debug("fm17622.Lpcd_IRQ_Event", "-> LPCD IRQ MISSWUP SET!\r\n"); end gpio.set(fm17622_NPD, 0) sys.wait(5) gpio.set(fm17622_NPD, 1) sys.wait(5) for i = 1, 10, 1 do if fm17622.LPCD_setup() == true then break end gpio.set(fm17622_NPD, 0) sys.wait(5) gpio.set(fm17622_NPD, 1) sys.wait(5) end sys.wait(5) gpio.set(fm17622_NPD, 0) end --[[ fm17622初始化 @api fm17622.setup(iic_id, iic_addr, NPD,IRQ,ENDCall) @number iic_id iic端口号 @number iic_addr iic地址 @number NPD rst引脚 @number IRQ INT引脚 @number Debug 是否调试 @number ENDCall 终端回调执行不用可未空 @return boolean 初始化结果 @usage fm17622=require "fm17622" i2c.setup(1, i2c.FAST) fm17622.setup(1, 0x28,20,32,function() local Key_A = string.char(0x01,0x02,0x03,0x04,0x05,0x06) local wdata = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00} fm17622.write_datablock(4,wdata,0,Key_A) local strat,rdata=fm17622.read_datablock(4,0,Key_A) if strat then log.info(json.encode(rdata)) end end,true) ]] function fm17622.setup(iic_id, iic_addr, NPD,IRQ,ENDCall,Debug) fm17622_iic_id = iic_id fm17622_iic_addr = iic_addr fm17622_NPD = NPD endcall=ENDCall debug=Debug; gpio.setup(fm17622_NPD, 0, gpio.PULLUP) sys.wait(5) gpio.set(fm17622_NPD, 1) sys.wait(5) gpio.debounce(32, 200) gpio.setup(32, function(var) if nfc_work==false then nfc_work=true; sys.taskInit(function() fm17622.Lpcd_IRQ_Event() nfc_work=false end) end end, gpio.PULLDOWN, gpio.FALLING) if GetReg(JREG_VERSION) == 0xA2 then log.debug("IC Version = fm17622 or FM17610 \r\n") fm17622.LPCD_setup() sys.wait(5) gpio.set(fm17622_NPD, 0) return true end return false; end --[[ 写入ic卡数据 @api write_datablock(addr, data, mode, key) @number addr ic卡地址块0到64 @number data 写入数据 @number A/B密码选择 A为0，B为1 @number key 密码字符串 @return boolean true为成功，false失败 @usage local Key_A = string.char(0x01,0x02,0x03,0x04,0x05,0x06) local wdata = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00} fm17622.write_datablock(4,wdata,0,Key_A) ]] function fm17622.write_datablock(addr, data, mode, key) if #data ~= 16 then log.error("data must be 16 bytes") return false end if nfc_Data["UID"] == nil then log.error("UID 不能为空") return false end if #key ~= 6 then log.error("key must be 6 bytes") return false end -- 验证密码 local buff = {} buff[1] = mode + 0x60 buff[2] = addr for i = 1, 6 do buff[i + 2] = key:byte(i) end for i = 1, 4 do buff[i + 8] = nfc_Data["UID"][i] end command(0x0E, buff) if (GetReg(JREG_STATUS2) & 0x08) == 0 then log.info("密码错误", (GetReg(JREG_STATUS2) & 0x08)) return false end buff = {} buff[1] = 0xa0 buff[2] = addr command(0x0C, buff) command(0x0C, data) return true end --[[ 读取ic卡数据 @api fm17622.read_datablock(addr, mode, key) @number addr ic卡地址块0到64 @number A/B密码选择 A为0，B为1 @number key 密码字符串 @return boolean true为成功，false失败 @return table 读取到的值 @usage local Key_A = string.char(0x01,0x02,0x03,0x04,0x05,0x06) local strat,rdata=fm17622.read_datablock(4,0,Key_A) if strat then log.info(json.encode(rdata)) end ]] function fm17622.read_datablock(addr, mode, key) if nfc_Data["UID"] == nil then log.error("UID 不能为空") return false end if #key ~= 6 then log.error("key must be 6 bytes") return false end -- 验证密码 local buff = {} buff[1] = mode + 0x60 buff[2] = addr for i = 1, 6 do buff[i + 2] = key:byte(i) end for i = 1, 4 do buff[i + 8] = nfc_Data["UID"][i] end command(0x0E, buff) if (GetReg(JREG_STATUS2) & 0x08) == 0 then log.info("密码错误", (GetReg(JREG_STATUS2) & 0x08)) return false end -- 读取数据 local buff = {} buff[1] = 0x30 buff[2] = addr return true, command(0x0C, buff) end return fm17622