NUC140之PLL（頻率合成器LMX2541）
阿新 • • 發佈：2019-01-12
PLL 是一種集成了鎖相環、鑑相器、振盪器為一體的頻率合成晶片，
以LMX2541為例，它是一款小數分頻的頻率合成器，輸出頻率31.6MHz~4GHz，
具有非常好的相位噪聲和雜散指標。採用SPI控制驅動程式如下：
#include "PLL_Thread.h" #include "DrvSPI.h" const int16_t OffSetArray[] = {8000, 7500, 7300, 5000, 4000, 2500, 0, -2500, -4000, -5000, -7300, -7500, - 8000}; //暫存器0 volatile TRegister_R0 Register_R0_TX; //Register_R0_RX, //暫存器1 volatile TRegister_R1 Register_R1_TX; //Register_R1_RX, //暫存器2 volatile TRegister_R2 Register_R2_TX; //Register_R2_RX, //暫存器4 volatile TRegister_R4 Register_R4_TX; //Register_R4_RX, //Register_R2.Map.default0 = Register_R2_default; // Register_R2.Map.PLL_DEN = PLL_DEN_RX_VALUE; // LMX2541_Set_Register(Register_R2.Value,LMX2541_REG2); //暫存器6 extern volatile TRegister_R6 Register_R6; // ////暫存器8 //TRegister_R8 Register_R8; // ////暫存器9 //TRegister_R9 Register_R9; // ////暫存器12 //TRegister_R12 Register_R12; // ////暫存器13 //TRegister_R13 Register_R13; void IniSPI(void); //void IniLMX2541_GPIO(void); void IniLMX2541_Ctrl_GPIO(void); void IniLMX2541(void); void LMX2541_Set_Register(uint32_t Register_Value,TLMX2541_REG Register_Addr); void LMX2541_Write_Data(uint32_t Value); uint8_t LMX2541_Modify_FRE(uint32_t Fre_Value,uint8_t OffSet); uint8_t LMX2541_Modify_RFGain(uint8_t Gain_Value); void LMX2541_Modify_LoopFilter(TLMX2541_RES RES_R3,TLMX2541_RES RES_R4,TLMX2541_CAP3 CAP_C3,TLMX2541_CAP4 CAP_C4,uint8_t vco_div_value); void PTT_SW(uint8_t ptt); void EINT1_Callback(void); void GPIO_GPAB_Callbackfunc(uint32_t portA,uint32_t portB); //void GPIO_GPCDE_Callbackfunc(uint32_t portC,uint32_t portD,uint32_t portE); //void LMX2541_Modify_PLL (uint8_t PLL_R,uint32_t PLL_N, uint32_t PLL_NUM, uint32_t PLL_DEN); void IniSPI(void) { /* Configure SPI0 related multi-function pins */ DrvGPIO_InitFunction(E_FUNC_SPI0); /* Configure SPI0 as a master, 32-bit transaction */ DrvSPI_Open(eDRVSPI_PORT0,eDRVSPI_MASTER,eDRVSPI_TYPE1,32); /* Disable the automatic slave select function of SS0. */ DrvSPI_DisableAutoSS(eDRVSPI_PORT0); /* Set the active level of slave select. */ DrvSPI_SetSlaveSelectActiveLevel(eDRVSPI_PORT0, eDRVSPI_ACTIVE_LOW_FALLING); DrvSPI_Set2BitTransferMode(eDRVSPI_PORT0,FALSE); /* The transfer order of SPI0 is MSB first */ DrvSPI_SetEndian(eDRVSPI_PORT0, eDRVSPI_MSB_FIRST); /* SPI clock rate 1M */ DrvSPI_SetClockFreq(eDRVSPI_PORT0,1000000, 0); } /* 函式名稱:IniLMX2541_Ctrl_GPIO 函式功能:初始化控制LMX2541 相關引腳功能 入口函式:無 出口函式:無 返回值：無 */ void IniLMX2541_Ctrl_GPIO(void) { // DrvGPIO_Open(E_GPA,3, E_IO_OUTPUT); //SYTEST // DrvGPIO_Open(E_GPA,11, E_IO_INPUT); // DrvGPIO_Open(E_GPB,3, E_IO_OUTPUT); //VCTL //IniSPI(); // DrvGPIO_Open(E_GPC,0, E_IO_OUTPUT); //LE // DrvGPIO_Open(E_GPC,1, E_IO_OUTPUT); //CLK // DrvGPIO_Open(E_GPC,7, E_IO_INPUT); //SYSLOCK_STU // DrvGPIO_Open(E_GPE,0, E_IO_OUTPUT); //RFEN // DrvGPIO_Open(E_GPE,1, E_IO_OUTPUT); //DATA_PLL // DrvGPIO_Open(E_GPE,2, E_IO_OUTPUT); //CLK_PLL // DrvGPIO_Open(E_GPE,3, E_IO_OUTPUT); //EN_PLL // // SYTEST(SYNCLOCK); //預設為頻合正常 //DrvGPIO_EnableInt(E_GPB,2, E_IO_BOTH_EDGE,E_MODE_EDGE); //開啟LOCK中斷 //DrvGPIO_SetIntCallback(GPIO_GPAB_Callbackfunc, GPIO_GPCDE_Callbackfunc); //DrvGPIO_EnableEINT1(E_IO_BOTH_EDGE, E_MODE_EDGE,EINT1_Callback); } /****************************************** ********初始化送數IO口******************** ******************************************/ //void IniLMX2541_GPIO(void) //{ // DrvGPIO_Open(E_GPE,3, E_IO_OUTPUT); //EN_PLL // DrvGPIO_Open(E_GPE,2, E_IO_OUTPUT); //CLK_PLL // DrvGPIO_Open(E_GPE,1, E_IO_OUTPUT); //DATA_PLL //} /* 函式名稱:IniLMX2541 函式功能:初始化LMX2541 相關暫存器 入口函式:無 出口函式:無 返回值：無 */ void IniLMX2541(void) { //暫存器2 TRegister_R2 Register_R2; //暫存器3 TRegister_R3 Register_R3; //暫存器4 // TRegister_R4 Register_R4; //暫存器5 TRegister_R5 Register_R5; //暫存器7 TRegister_R7 Register_R7; TRegister_R8 Register_R8; TRegister_R9 Register_R9; TRegister_R12 Register_R12; TRegister_R13 Register_R13; IniLMX2541_Ctrl_GPIO(); //初始化控制LMX2541的暫存器引腳 RFEN_PLL(0); //關閉射頻輸出 //初始化暫存器7 Register_R7.Map.default0 = Register_R7_default; LMX2541_Set_Register(Register_R7.Value,LMX2541_REG7); //初始化暫存器13 Register_R13.Map.default0 = Register_R13_default; Register_R13.Map.VCO_DIV_OPT = 0; LMX2541_Set_Register(Register_R13.Value,LMX2541_REG13); //初始化暫存器12 Register_R12.Map.default0 = Register_R12_default; LMX2541_Set_Register(Register_R12.Value,LMX2541_REG12); //初始化暫存器9 Register_R9.Map.default0 = Register_R9_default; LMX2541_Set_Register(Register_R9.Value,LMX2541_REG9); //初始化暫存器8 Register_R8.Map.default0 = Register_R8_default; Register_R8.Map.AC_TEMP_COMP = 5; LMX2541_Set_Register(Register_R8.Value,LMX2541_REG8); //初始化暫存器6 Register_R6.Map.default0 = Register_R6_default; // Register_R6.Map.VCOGAIN = 12; Register_R6.Map.OUTTERM = 12; Register_R6.Map.DIVGAIN = 12; Register_R6.Map.RFOUT = 1; //射頻開關由RFoutEN控制 Register_R6.Map.Addr = LMX2541_REG6; LMX2541_Write_Data(Register_R6.Value); //初始化暫存器5 Register_R5.Map.default0 = Register_R5_default; Register_R5.Map.FL_CPG = 0; Register_R5.Map.FL_RF_LF = 0; Register_R5.Map.FL_R3_LF = 0; Register_R5.Map.FL_TOC = 0; //禁用FastLock LMX2541_Set_Register(Register_R5.Value,LMX2541_REG5); //初始化暫存器4(環路濾波器) // LMX2541_Modify_LoopFilter(LMX2541_RES_1k,LMX2541_RES_200,LMX2541_CAP3_20,LMX2541_CAP4_100,20); //初始化暫存器3 Register_R3.Map.FSK = 0; //禁用FSK Register_R3.Map.default0 = Register_R3_default; Register_R3.Map.DLOCK = 0; //鎖定時間為13.5ns Register_R3.Map.CPT = 0; //禁止使用3態 Register_R3.Map.DITH = 3; //禁止使用抖動 Register_R3.Map.ORDER = 3; //使用小數分頻 Register_R3.Map.FDM = 1; //使用小數分頻時，分子和分母都是22bit Register_R3.Map.OSC_2X = 0; //不使用雙倍晶振 Register_R3.Map.CPP = 0; //全功能模式下，電荷泵極性為負極 Register_R3.Map.MUX = 8; Register_R3.Map.CPG = 15; //選擇最大的充電泵電流 1600uA Register_R3.Map.XO = 0; Register_R3.Map.POWERDOWN = 0; //不關閉器件 Register_R3.Map.MODE = 0; //全功能模式 // Register_R3.Map.Addr = LMX2541_REG3; LMX2541_Set_Register(Register_R3.Value,LMX2541_REG3); //初始化暫存器2 Register_R2.Map.default0 = Register_R2_default; Register_R2.Map.PLL_DEN = PLL_DEN_MAX_VALUE; LMX2541_Set_Register(Register_R2.Value,LMX2541_REG2); //初始化暫存器1 //Register_R1_RX.Map.Addr = LMX2541_REG1; //地址 //Register_R1_RX.Map.default0 = Register_R1_default; Register_R1_TX.Map.Addr = LMX2541_REG1; //地址 Register_R1_TX.Map.default0 = Register_R1_default; //初始化暫存器0 //Register_R0_RX.Map.Addr = LMX2541_REG0; //地址 Register_R0_TX.Map.Addr = LMX2541_REG0; //地址 } /* 函式名稱:LMX2541_Set_Register 函式功能:設定暫存器的值 入口函式: Register_Value:暫存器的值; Register_Addr:暫存器地址,該值可以為:LMX2541_REG0,LMX2541_REG1,LMX2541_REG2,LMX2541_REG3,LMX2541_REG4, LMX2541_REG5,LMX2541_REG6,LMX2541_REG7,LMX2541_REG8,LMX2541_REG9, LMX2541_REG12,LMX2541_REG13 出口函式:無 返回值：無 */ void LMX2541_Set_Register(uint32_t Register_Value,TLMX2541_REG Register_Addr) { uint32_t SendData = 0; SendData = Register_Value & 0xFFFFFFF0; SendData += Register_Addr; LMX2541_Write_Data(SendData); } /* 函式名稱:LMX2541_Write_Data 函式功能:傳送資料到LMX2541 入口函式: Value:要傳送到LMX2541的值; 出口函式:無 返回值：無 */ //void LMX2541_Write_Data(uint32_t Value) //{ // DrvSPI_ClrSS(eDRVSPI_PORT0, eDRVSPI_SS0); //set high // DrvSPI_SetSS(eDRVSPI_PORT0, eDRVSPI_SS0); //set low // DrvSPI_SingleWrite(eDRVSPI_PORT0,&Value); // while(DrvSPI_IsBusy(eDRVSPI_PORT0)); // DrvSPI_ClrSS(eDRVSPI_PORT0, eDRVSPI_SS0); //set high // DrvSPI_SetSS(eDRVSPI_PORT0, eDRVSPI_SS0); //set low //} void LMX2541_Write_Data(uint32_t Value) { uint8_t i; EN_PLL(1); delay(5); //set high EN_PLL(0); //set low delay(5); for(i=0;i<32;i++) { CLK_PLL(0); delay(5); if((Value&0x80000000)==0x80000000) { DATA_PLL(1); } else { DATA_PLL(0); } delay(5); CLK_PLL(1); delay(5); Value=Value<<1; } CLK_PLL(0); delay(5); EN_PLL(1); //set high delay(5); EN_PLL(0); //set low delay(5); RFEN_PLL(1); delay(5); } /* 函式名稱:LMX2541_Modify_FRE 函式功能:修改LMX2541的輸出頻率 入口函式: 出口函式:無 返回值： 1：頻率設定成功 0：頻率設定失敗 */ uint8_t LMX2541_Modify_FRE(const uint32_t Fre_Value,const uint8_t OffSet_subscript) { uint8_t ModValue = 0,VCO_DIV_TX = 0; //VCO_DIV_RX = 0, uint16_t PLL_CNT_N = 0; uint32_t VCO_OUT = 0,PLL_CNT_NUM = 0; float point = 0.0; uint32_t RealFre_Tx = 0; //RealFre_Rx = 0, if((Fre_Value>MAXFRE)||(Fre_Value<MINFRE)||(Fre_Value%5 != 0)||(OffSet_subscript>12)) { return 0; //頻率值或頻偏值超出範圍 } ModValue = Fre_Value%100; if((ModValue == 20)||(ModValue == 45)||(ModValue == 70)||(ModValue == 95)) { return 0; } if(Fre_Value%25 == 0) { RealFre_Tx = Fre_Value * 1000; } else { RealFre_Tx *= 1000; if( OffSet_subscript>12 ) { return 0; } } //RealFre_Rx = RealFre_Tx + 35250000; RealFre_Tx += 35250000; RealFre_Tx += OffSetArray[OffSet_subscript]; //計算接收頻率值 //VCO_DIV_RX = VCO_MAX_VALUE/RealFre_Rx; //計算VCO_DIV //VCO_OUT = RealFre_Rx * VCO_DIV_RX; //計算VCO的值 PLL_CNT_N = VCO_OUT / FPD_VALUE; //計算N值 point = ((float)(VCO_OUT % FPD_VALUE)/FPD_VALUE); //計算小數值 PLL_CNT_NUM = point * PLL_DEN_MAX_VALUE; //計算分子值 // Register_R0_RX.Map.PLL_NUM_L = PLL_CNT_NUM & 0x0000ffff; //PLL_NUM低16位 // Register_R0_RX.Map.PLL_N_L = PLL_CNT_N & 0x00000fff; //PLL_N低12位 //Register_R1_RX.Map.default0 = Register_R1_default; // Register_R1_RX.Map.PLL_NUM_H = ((PLL_CNT_NUM >> 16)&0x0000003f); //PLL_NUM高6位 // Register_R1_RX.Map.PLL_N_H = ((PLL_CNT_N >> 12)&0x0000003f); //PLL_N高6位 // Register_R1_RX.Map.PLL_R = PLL_R_VALUE; //PLL_R //Register_R1_RX.Map.Addr = LMX2541_REG1; //地址 //Register_R4_RX.Map.VCO_DIV = VCO_DIV_RX; //計算髮射機頻率 VCO_DIV_TX = VCO_MAX_VALUE/RealFre_Tx; //計算VCO_DIV VCO_OUT = RealFre_Tx * VCO_DIV_TX; //計算VCO的值 PLL_CNT_N = VCO_OUT / FPD_VALUE; //計算N值 point = ((float)(VCO_OUT % FPD_VALUE)/FPD_VALUE); //計算小數值 PLL_CNT_NUM = point * PLL_DEN_MAX_VALUE; //計算分子值 Register_R0_TX.Map.PLL_NUM_L = PLL_CNT_NUM & 0x0000ffff; //PLL_NUM低16位 Register_R0_TX.Map.PLL_N_L = PLL_CNT_N & 0x00000fff; //PLL_N低12位 //Register_R1_TX.Map.default0 = Register_R1_default; Register_R1_TX.Map.PLL_NUM_H = ((PLL_CNT_NUM >> 16)&0x0000003f); //PLL_NUM高6位 Register_R1_TX.Map.PLL_N_H = ((PLL_CNT_N >> 12)&0x0000003f); //PLL_N高6位 Register_R1_TX.Map.PLL_R = PLL_R_VALUE; //PLL_R //Register_R1_TX.Map.Addr = LMX2541_REG1; //地址 Register_R4_TX.Map.VCO_DIV = VCO_DIV_TX; Register_R6.Map.RFOUT = 0; LMX2541_Write_Data(Register_R6.Value); //關閉射頻輸出 // RFEN_PLL(0); //關閉射頻輸出 LMX2541_Modify_LoopFilter(LMX2541_RES_1k,LMX2541_RES_200,LMX2541_CAP3_20,LMX2541_CAP4_100,VCO_DIV_TX); // LMX2541_Write_Data(Register_R1_TX.Value); //修改R1的值 // LMX2541_Write_Data(Register_R0_TX.Value); //修改R0的值 // LMX2541_Modify_LoopFilter(LMX2541_RES_1k,LMX2541_RES_200,LMX2541_CAP3_20,LMX2541_CAP4_100,VCO_DIV_RX); LMX2541_Write_Data(Register_R4_TX.Value); //修改R4的值 LMX2541_Write_Data(Register_R1_TX.Value); //修改R1的值 LMX2541_Write_Data(Register_R0_TX.Value); //修改R0的值 // RFEN_PLL(1); //開啟射頻輸出 Register_R6.Map.RFOUT = 2; LMX2541_Write_Data(Register_R6.Value); //開啟射頻輸出 //VCTL(FOUT_RX); //RFEN_PLL(FOUT_TX); return 1; } /* 函式名稱:LMX2541_Modify_RFGain 函式功能:修改LMX2541的輸出增益 入口函式: Gain_Value:輸出的增益值，取值範圍為0~15 出口函式:無 返回值： 1:修改成功 0:修改失敗 */ uint8_t LMX2541_Modify_RFGain(uint8_t Gain_Value) { if(Gain_Value<16) { // Register_R6.Map.RFOUT = 0; //關閉射頻輸出 // LMX2541_Write_Data(Register_R6.Value); Register_R6.Map.OUTTERM = Gain_Value; // Register_R6.Map.DIVGAIN = 12; // Register_R6.Map.RFOUT = 1; //開啟射頻輸出 LMX2541_Write_Data(Register_R6.Value); return 1; } else { return 0; } } /* 函式名稱:LMX2541_Modify_LoopFilter 函式功能:修改LMX2541內部環路濾波器的引數 入口函式: RES_R3:電阻R3的阻值，該值可以為 LMX2541_RES_200,LMX2541_RES_1k,LMX2541_RES_2k,LMX2541_RES_4k,LMX2541_RES_16k，分別對應的阻值為 200,1k,2k,4k,16k RES_R4:電阻R4的阻值，該值可以為 LMX2541_RES_200,LMX2541_RES_1k,LMX2541_RES_2k,LMX2541_RES_4k,LMX2541_RES_16k，分別對應的阻值為 200,1k,2k,4k,16k CAP_C3:電阻C3的電容值，該值可以為 LMX2541_CAP3_0,LMX2541_CAP3_1,LMX2541_CAP3_5,LMX2541_CAP3_6,LMX2541_CAP3_10,LMX2541_CAP3_11, LMX2541_CAP3_15,LMX2541_CAP3_16,LMX2541_CAP3_20,LMX2541_CAP3_21,LMX2541_CAP3_25,LMX2541_CAP3_26, LMX2541_CAP3_30,LMX2541_CAP3_31,LMX2541_CAP3_35,LMX2541_CAP3_36 對應的電容值為(pF): 0,1,5,6,10,11, 15,16,20,21,25,26, 30,31,35,36 CAP_C4:電阻C4的電容值，該值可以為 LMX2541_CAP4_0=0,LMX2541_CAP4_5,LMX2541_CAP4_20,LMX2541_CAP4_25,LMX2541_CAP4_40,LMX2541_CAP4_45, LMX2541_CAP4_60,LMX2541_CAP4_65,LMX2541_CAP4_100,LMX2541_CAP4_105,LMX2541_CAP4_120,LMX2541_CAP4_125, LMX2541_CAP4_140,LMX2541_CAP4_145,LMX2541_CAP4_160,LMX2541_CAP4_165 對應的電容值為(pF): 0,5,20,25,40,45, 60,65,100,105,120,125, 140,145,160,165 vco_div_value:VCO的分頻值 0~63 出口函式:無 返回值：無 */ void LMX2541_Modify_LoopFilter(TLMX2541_RES RES_R3,TLMX2541_RES RES_R4,TLMX2541_CAP3 CAP_C3,TLMX2541_CAP4 CAP_C4,uint8_t vco_div_value) { //接收暫存器4 // Register_R4_RX.Map.C4_LF = CAP_C4; // Register_R4_RX.Map.C3_LF = CAP_C3; // Register_R4_RX.Map.R4_LF = RES_R4; // Register_R4_RX.Map.R3_LF = RES_R3; // Register_R4_RX.Map.VCO_DIV = vco_div_value; // Register_R4_RX.Map.OSC_FREQ = OSC_FREQ_VALUE; // Register_R4_RX.Map.Addr = LMX2541_REG4; //發射暫存器4 Register_R4_TX.Map.C4_LF = CAP_C4; Register_R4_TX.Map.C3_LF = CAP_C3; Register_R4_TX.Map.R4_LF = RES_R4; Register_R4_TX.Map.R3_LF = RES_R3; Register_R4_TX.Map.VCO_DIV = vco_div_value; Register_R4_TX.Map.OSC_FREQ = OSC_FREQ_VALUE; Register_R4_TX.Map.Addr = LMX2541_REG4; // LMX2541_Write_Data(Register_R4.Value); //修改環路濾波器的值 } /* 函式名稱:PTT_SW 函式功能:收發頻率切換 入口函式:ptt，收發狀態 1:收狀態 ; 0:髮狀態 出口函式:無 返回值：無 */ void PTT_SW(uint8_t ptt) { // Register_R6.Map.RFOUT = 0; // LMX2541_Write_Data(Register_R6.Value); //關閉射頻輸出 if(ptt) { RFEN_PLL(1); //關閉射頻輸出 PTT反相 } else { RFEN_PLL(0); //開啟射頻輸出 } /* if((ptt)||(VOP_ERR)) //收狀態 { LMX2541_Write_Data(Register_R4_RX.Value); //修改R4的值 LMX2541_Write_Data(Register_R1_RX.Value); //修改R1的值 LMX2541_Write_Data(Register_R0_RX.Value); //修改R0的值 //VCTL(FOUT_RX); //RFEN_PLL(FOUT_RX); } else //髮狀態 { LMX2541_Write_Data(Register_R4_TX.Value); //修改R4的值 LMX2541_Write_Data(Register_R1_TX.Value); //修改R1的值 LMX2541_Write_Data(Register_R0_TX.Value); //修改R0的值 //VCTL(FOUT_TX); //RFEN_PLL(FOUT_TX); } */ // Register_R6.Map.RFOUT = 1; // LMX2541_Write_Data(Register_R6.Value); //開啟射頻輸出 } /* 函式名稱:EINT1_Callback 函式功能:PTT中斷回撥函式 入口函式:param:無意義 出口函式:無 返回值：無 */ void EINT1_Callback(void) { // PTT_SW(PTT_STU); } /* 函式名稱: GPIO_GPAB_Callbackfunc 函式功能:鎖定指示中斷 入口函式: portA:埠A的中斷引腳指示 portB:埠B的中斷引腳指示 出口函式:無 返回值：無 */ void GPIO_GPAB_Callbackfunc(uint32_t portA,uint32_t portB) { // if(portB & (1<<2)) // { // if(LOCK_STU) // { // SYTEST(SYNCLOCK); //頻合鎖定 // Register_R6.Map.RFOUT = 1; // LMX2541_Write_Data(Register_R6.Value); //開啟射頻輸出 // } // else // { // SYTEST(SYNCUNLOCK); //頻合失鎖 // Register_R6.Map.RFOUT = 0; // LMX2541_Write_Data(Register_R6.Value); //關閉射頻輸出 // } // } } void LMX2541_Set_Register_R0(uint32_t Register_Value) { DrvSPI_ClrSS(eDRVSPI_PORT0, eDRVSPI_SS0); //set high DrvSPI_SetSS(eDRVSPI_PORT0, eDRVSPI_SS0); //set low DrvSPI_SingleWrite(eDRVSPI_PORT0,&Register_Value); while(DrvSPI_IsBusy(eDRVSPI_PORT0)); DrvSPI_ClrSS(eDRVSPI_PORT0, eDRVSPI_SS0); DrvSPI_SetSS(eDRVSPI_PORT0, eDRVSPI_SS0); } /* 函式名稱: GPIO_GPCDE_Callbackfunc 函式功能:無 入口函式: portC:埠C的中斷引腳指示 portD:埠D的中斷引腳指示 portE:埠E的中斷引腳指示 出口函式:無 返回值：無 */ //void GPIO_GPCDE_Callbackfunc(uint32_t portC,uint32_t portD,uint32_t portE) //{ // //} void PLL_control_entry(void *parameter) { /* 排程器上鎖，上鎖後，將不再切換到其他執行緒，僅響應中斷 */ rt_enter_critical(); DrvGPIO_DisableEINT0(); DrvGPIO_DisableEINT0(); DrvGPIO_Open(E_GPC, 0, E_IO_OUTPUT); DrvGPIO_Open(E_GPC, 1, E_IO_OUTPUT); DrvGPIO_Open(E_GPC, 3, E_IO_OUTPUT); DrvGPIO_Open(E_GPD, 15, E_IO_INPUT); IniLMX2541(); LMX2541_Modify_FRE(118000,6); /* 排程器解鎖 */ rt_exit_critical(); DrvGPIO_EnableEINT0(E_IO_BOTH_EDGE, E_MODE_EDGE, PTT_Mic_Callback); DrvGPIO_EnableEINT1(E_IO_BOTH_EDGE, E_MODE_EDGE, PTT_Rem_Callback); while(1) { rt_thread_delay(200); } }
標頭檔案如下
#ifndef PLL_THREAD_H #define PLL_THREAD_H #include "stdint.h" #include "DrvGPIO.h" #include "Globe_Value.h" #include "GPIO_Irq_Thread.h" #include <rtthread.h> typedef enum {LMX2541_REG0=0,LMX2541_REG1,LMX2541_REG2,LMX2541_REG3,LMX2541_REG4, LMX2541_REG5,LMX2541_REG6,LMX2541_REG7,LMX2541_REG8,LMX2541_REG9, LMX2541_REG12=12,LMX2541_REG13=13}TLMX2541_REG; typedef enum {LMX2541_RES_200=0,LMX2541_RES_1k,LMX2541_RES_2k,LMX2541_RES_4k,LMX2541_RES_16k}TLMX2541_RES; typedef enum {LMX2541_CAP3_0=0,LMX2541_CAP3_1,LMX2541_CAP3_5,LMX2541_CAP3_6,LMX2541_CAP3_10,LMX2541_CAP3_11, LMX2541_CAP3_15,LMX2541_CAP3_16,LMX2541_CAP3_20,LMX2541_CAP3_21,LMX2541_CAP3_25,LMX2541_CAP3_26, LMX2541_CAP3_30,LMX2541_CAP3_31,LMX2541_CAP3_35,LMX2541_CAP3_36}TLMX2541_CAP3; typedef enum {LMX2541_CAP4_0=0,LMX2541_CAP4_5,LMX2541_CAP4_20,LMX2541_CAP4_25,LMX2541_CAP4_40,LMX2541_CAP4_45, LMX2541_CAP4_60,LMX2541_CAP4_65,LMX2541_CAP4_100,LMX2541_CAP4_105,LMX2541_CAP4_120,LMX2541_CAP4_125, LMX2541_CAP4_140,LMX2541_CAP4_145,LMX2541_CAP4_160,LMX2541_CAP4_165}TLMX2541_CAP4; //暫存器0 typedef union { struct{ uint32_t Addr:4; //地址 uint32_t PLL_N_L:12; //PLL_N低12位 uint32_t PLL_NUM_L:16; //PLL_NUM低16位 }Map; uint32_t Value; }TRegister_R0; //暫存器1 typedef union { struct { uint32_t Addr:4; //地址 uint32_t PLL_R:12; //PLL_R uint32_t PLL_N_H:6; //PLL_N高6位 uint32_t PLL_NUM_H:6; //PLL_NUM高6位 uint32_t default0:4; }Map; uint32_t Value; }TRegister_R1; //暫存器2 typedef union { struct { uint32_t Addr:4; //地址 uint32_t PLL_DEN:22; //PLL_DEN高6位 uint32_t default0:6; }Map; uint32_t Value; }TRegister_R2; //暫存器3 typedef union { struct{ uint32_t Addr:4; //地址 uint32_t MODE:2; uint32_t POWERDOWN:1; uint32_t XO:1; uint32_t CPG:5; uint32_t MUX:4; uint32_t CPP:1; uint32_t OSC_2X:1; uint32_t FDM:1; uint32_t ORDER:3; uint32_t DITH:2; uint32_t CPT:1; uint32_t DLOCK:3; uint32_t default0:2; uint32_t FSK:1; }Map; uint32_t Value; }TRegister_R3; //暫存器4 typedef union { struct{ uint32_t Addr:4; //地址 uint32_t OSC_FREQ:8; uint32_t VCO_DIV:6; uint32_t R3_LF:3; uint32_t R4_LF:3; uint32_t C3_LF:4; uint32_t C4_LF:4; }Map; uint32_t Value; }TRegister_R4; //暫存器5 typedef union { struct{ uint32_t Addr:4; //地址 uint32_t FL_TOC:14; uint32_t FL_R3_LF:3; uint32_t FL_RF_LF:3; uint32_t FL_CPG:5; uint32_t default0:3; }Map; uint32_t Value; }TRegister_R5; //暫存器6 typedef union { struct{ uint32_t Addr:4; //地址 uint32_t RFOUT:2; uint32_t DIVGAIN:4; uint32_t OUTTERM:4; uint32_t VCOGAIN:4; uint32_t default0:14; }Map; uint32_t Value; }TRegister_R6; //暫存器7 typedef union { struct{ uint32_t Addr:4; //地址 uint32_t default0:28; }Map; uint32_t Value; }TRegister_R7; //暫存器8 typedef union { struct{ uint32_t Addr:4; //地址 uint32_t AC_TEMP_COMP:5; uint32_t default0:23; }Map; uint32_t Value; }TRegister_R8; //暫存器9 typedef union { struct{ uint32_t Addr:4; //地址 uint32_t default0:28; }Map; uint32_t Value; }TRegister_R9; //暫存器12 typedef union { struct{ uint32_t Addr:4; //地址 uint32_t default0:28; }Map; uint32_t Value; }TRegister_R12; //暫存器13 typedef union { struct{ uint32_t Addr:4; //地址 uint32_t VCO_DIV_OPT:3; uint32_t default0:25; }Map; uint32_t Value; }TRegister_R13; #define Register_R1_default 0 #define Register_R2_default 1 #define Register_R3_default 0 #define Register_R5_default 5 #define Register_R6_default 7 #define Register_R7_default 1 #define Register_R8_default 0x88E7 #define Register_R9_default 0x2800140 #define Register_R12_default 1 #define Register_R13_default 1 #define VCO_MAX_VALUE 4000000000 //VCO的最大值 #define FPD_VALUE 1600000//400000 //鑑相頻率值 #define PLL_DEN_MAX_VALUE 4194303 //分母的最大值 //#define PLL_DEN_CNT_VALUE 73100 //用於計算的 N值的分母 //#define PLL_DEN_RX_VALUE 365500 分母 5*73100 //#define PLL_DEN_TX_VALUE 146200 分母 2*73100 #define PLL_R_VALUE 8//32 //#define VCO_DIV_RX_VALUE 20 //#define VCO_DIV_TX_VALUE 25 #define OSC_FREQ_VALUE 13 //參考源的頻率值(MHz) #define FOUT_RX 1 #define FOUT_TX 0 #define SYNCLOCK 0 //頻合鎖定 #define SYNCUNLOCK 1 //頻合失鎖 #define MAXFRE 143975 //允許的最大頻率值(kHz) #define MINFRE 118000 //允許的最小頻率值(kHz) #define PLL_DIS DrvGPIO_SetBit(E_GPD, 7) #define PLL_EN DrvGPIO_ClrBit(E_GPD, 7) #define PLL_CLK_HIGH DrvGPIO_SetBit(E_GPD, 14) #define PLL_CLK_LOW DrvGPIO_ClrBit(E_GPD, 14) #define PLL_DATA_HIGH DrvGPIO_SetBit(E_GPD, 15) #define PLL_DATA_LOW DrvGPIO_ClrBit(E_GPD, 15) #define PLL_RF_EN DrvGPIO_SetBit(E_GPC, 5) #define PLL_RF_DIS DrvGPIO_ClrBit(E_GPC, 5) #define RFEN_PLL(x) ((x)?(GPIOC->DOUT |= 1<<5):(GPIOC->DOUT &= ~(1<<5))) #define DATA_PLL(x) ((x)?(GPIOC->DOUT |= 1<<3):(GPIOC->DOUT &= ~(1<<3))) #define CLK_PLL(x) ((x)?(GPIOC->DOUT |= 1<<1):(GPIOC->DOUT &= ~(1<<1))) #define EN_PLL(x) ((x)?(GPIOC->DOUT |= 1<<0):(GPIOC->DOUT &= ~(1<<0))) extern void PLL_control_entry(void *parameter); #endif
