234 lines
7.8 KiB
C
234 lines
7.8 KiB
C
#include <sys/stat.h>
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#include <unistd.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdint.h>
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#include "cx9261adriver_c.h"
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#define max(x, y) ((x >= y) ? x : y)
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// --- Dummy systemcall implementation
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-parameter"
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int _write(int file, char *ptr, int len)
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{
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return len;
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}
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int _read(int file, char *ptr, int len)
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{
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return 0;
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}
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int _close(int file)
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{
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return -1; // 模拟文件关闭失败
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}
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int _fstat(int file, struct stat *st)
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{
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st->st_mode = S_IFCHR;
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return 0;
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}
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int _lseek(int file, int ptr, int dir)
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{
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return 0;
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}
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int _isatty(int file)
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{
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return 0;
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}
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int _kill(int pid, int sig)
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{
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errno = EINVAL;
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return -1;
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}
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int _getpid(void)
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{
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return 1;
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}
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#pragma GCC diagnostic pop
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// ---
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void udelay(uint32_t cnt)
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{
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while (cnt--)
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;
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}
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void CX9261A_Log(const char *msg)
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{
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printf("[CX9261A] %s\n", msg);
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}
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void CX9261A_spiWrite(int address, int value)
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{
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printf("[CX9261A] spi write 0x%08X = 0x%08X\n", address, value);
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}
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int CX9261A_spiRead(int address)
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{
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printf("[CX9261A] spi read 0x%08X\n", address);
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return 0xFFFFF;
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}
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void CX9261A_mdelay(double ms)
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{
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udelay((uint32_t)ms * 1e3);
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}
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void CX9261A_setPin(int pin, int value)
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{
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printf("[CX9261A] set 0x%08X = 0x%08X\n", pin, value);
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return;
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}
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CX9261A_CX9261AConfiguration configuration = {
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// 电源管理
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.powerManagement =
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{
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// 接收模式电源管理
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.rxPower = {0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0,
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0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1},
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// 发射模式电源管理
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.txPower = {1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1},
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// FDD模式电源管理
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.fddPower = {1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1,
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0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1},
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.powerMode = CX9261A_PWM_Receive,
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},
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// 接口模式
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.interface = {.workMode = CX9261A_WKM_Rx,
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.trMode = CX9261A_TRM_R1T1,
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.portMode = CX9261A_PORTM_Single,
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.ioMode = CX9261A_IOM_CMOS},
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// 时钟相关
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.clock = {.ref = 125,
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.adc = 64,
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.refDiv = 2,
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.bbUseIntDiv = false,
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.refDoubler = false},
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// 本振相关
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// 本振来源
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.pllSource = {.rxUseExt = false,
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.txUseExt = false,
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.rx1Source = CX9261A_LOSRC_Pll1,
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.rx2Source = CX9261A_LOSRC_Pll1,
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.rx3Source = CX9261A_LOSRC_Off,
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.tx1Source = CX9261A_LOSRC_Off,
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.tx2Source = CX9261A_LOSRC_Off},
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// 本振频率 注意：使用的所有PLL，频率必须设为正数
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.pllFreq = {.pll1Freq = 5800,
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.pll2Freq = 5800,
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.pll3Freq = 800,
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.pll4Freq = 900,
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.pll5Freq = 1000},
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// Rx通道 注意：tia推荐配置为6 Mixer为三个通道共用同一个寄存器
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.rx1Config = {.bandwidth = 32, .tia = 6, .mixer = 31},
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.rx2Config = {.bandwidth = 32, .tia = 6, .mixer = 31},
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.rx3Config = {.bandwidth = 32, .tia = 6, .mixer = 31},
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// Tx通道
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.tx1Config = {.bandwidth = 20, .mixer = 63},
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.tx2Config = {.bandwidth = 20, .mixer = 63},
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// 接收滤波器
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.rxFilters = {.fir = 0, .hbf1 = 0, .hbf2 = 0, .hbf3 = 0, .cic = 0},
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// 发射滤波器
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.txFilters = {.fir = 0, .hbf1 = 2, .hbf2 = 2, .hbf3 = 0, .cic = 0},
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// Rx NCO
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.rxNco = {.rxUseBist = false,
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.rxNCOBypass = true,
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.rxNCOUpward = true,
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.rxNCOMaster = true,
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.rxNCOFreq = 0},
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// Tx NCO
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.txNco = {.txUseBist = false, .txNCOFreq = 0},
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// AGC 注意：mode = 0表示关闭AGC，此时其他的参数可以不配置
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// 校准
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.calib = {.calibDC = true,
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.dcCalibMethod = CX9261A_DCCALM_Tracking,
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.dcTrackingLength = 16384,
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.dcHighPassFactor = 8191,
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.rx1CalibPll = CX9261A_LOSRC_Pll1 | CX9261A_LOSRC_Pll2,
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.rx2CalibPll = CX9261A_LOSRC_Pll1 | CX9261A_LOSRC_Pll2,
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.rx3CalibPll = CX9261A_LOSRC_Pll5,
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.tx1CalibPll = 0,
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.tx2CalibPll = 0,
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.rxMethod = CX9261A_CALM_MultiPoints,
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.txMethod = CX9261A_CALM_Bisec,
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.f0 = 4,
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.rxMultiPoints = {2200, 2400, 2600, 2800, 3000, 3200, 3400,
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3600, 3800, 4000, 4200, 4400, 4600, 4800,
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5000, 5200, 5400, 5600, 5800, 6000}},
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.agc = {.mode = 0},
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.tempComp = CX9261A_TEMPCP_Band
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};
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int main()
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{
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// 绑定函数
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CX9261A_setLoggingFunc(CX9261A_Log);
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CX9261A_setWriteSpiFunc(CX9261A_spiWrite);
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CX9261A_setReadSpiFunc(CX9261A_spiRead);
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CX9261A_setPauseFunc(CX9261A_mdelay);
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CX9261A_setSetPinFunc(CX9261A_setPin);
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// 开始配置芯片
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CX9261A_initialChip(); // 最开始需要调用此函数
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CX9261A_initialPowerConfig(&configuration);
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// 配置温补
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CX9261A_configTemperatureCompensation(configuration.tempComp);
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// 不需要自定义电源管理时，这部分代码可以省略
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CX9261A_configPowerPins(&(configuration.powerManagement.rxPower), CX9261A_PWM_Receive);
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CX9261A_configPowerPins(&(configuration.powerManagement.txPower), CX9261A_PWM_Transmit);
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CX9261A_configPowerPins(&(configuration.powerManagement.fddPower), CX9261A_PWM_Duplex);
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// 配置pll
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CX9261A_configBBPLL(&configuration);
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CX9261A_configPllSource(&(configuration.pllSource));
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CX9261A_configPll1(configuration.pllFreq.pll1Freq, &(configuration.clock));
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CX9261A_configPll2(configuration.pllFreq.pll2Freq, &(configuration.clock));
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// 配置Rx通道
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CX9261A_configRxChannel(&(configuration.rx1Config), CX9261A_RXCH_Rx1);
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CX9261A_configRxChannel(&(configuration.rx2Config), CX9261A_RXCH_Rx2);
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CX9261A_configRxChannel(&(configuration.rx3Config), CX9261A_RXCH_Rx3);
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// 配置Tx通道
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CX9261A_configTxChannelFrequency(configuration.pllFreq.pll1Freq, CX9261A_TXCH_Tx1);
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CX9261A_configTxChannelFrequency(configuration.pllFreq.pll2Freq, CX9261A_TXCH_Tx2);
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CX9261A_configTxChannel(&(configuration.tx1Config), CX9261A_TXCH_Tx1);
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CX9261A_configTxChannel(&(configuration.tx2Config), CX9261A_TXCH_Tx2);
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// 配置滤波器
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CX9261A_configRxFilters(&(configuration.rxFilters));
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CX9261A_configTxFilters(&(configuration.txFilters));
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// 配置NCO
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CX9261A_configRxNco(&(configuration.rxNco), configuration.clock.adc);
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int filters = max(configuration.rxFilters.fir, 1) * max(configuration.rxFilters.hbf3, 1) *
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max(configuration.rxFilters.hbf2, 1) *
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max(configuration.rxFilters.hbf1, 1) * max(configuration.rxFilters.cic, 1);
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CX9261A_configTxNco(&(configuration.txNco), configuration.clock.adc / filters);
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// 配置AGC
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CX9261A_configAGC(&(configuration.agc));
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// 切换到休眠模式
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CX9261A_configPowerMode(CX9261A_PWM_Sleep);
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udelay(1000 * 1000);
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// 切换到校准模式
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CX9261A_configPowerMode(CX9261A_PWM_Calib);
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udelay(100 * 1000);
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// 锁定BBPLL
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CX9261A_afcBBPll();
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// 配置校准
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CX9261A_configADCCalib(configuration.clock.adc);
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CX9261A_configFlashCalib();
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CX9261A_configDcCalib(&(configuration.calib));
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CX9261A_configQecCalib(&configuration);
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CX9261A_loadRxCalibPredis(0, CX9261A_RXCH_Rx1, CX9261A_LOSRC_Pll1);
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CX9261A_loadRxCalibPredis(0, CX9261A_RXCH_Rx2, CX9261A_LOSRC_Pll1);
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// 配置接口
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CX9261A_configInterface(&(configuration.interface));
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// 配置FPGA接口相关 此为示例，仅适用于Demo工程，用户应根据实际情况进行配置
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CX9261A_configFPGA(&(configuration.interface));
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// 锁定PLL1
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CX9261A_afcPll1();
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// 锁定PLL2
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CX9261A_afcPll2();
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return 0;
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} |