本帖最后由 KA_IX 于 2022-3-16 11:01 编辑

作者：Chris Meng

毫米波用户需要通过测试连续波来确认TI毫米波芯片发射射频信号的频率的准确性。用户对联参考设计板上进行发射天线的连续波测试有不同的测试要求。下面介绍三种不同测试场景的测试流程。

测试条件：
硬件平台: MMWCAS-RF-EVM (revE)/MMWCAS-DSP-EVM
PC软件: mmwave studio 3.00.00.14
AWR2243 ES1.1的固件补丁: mmwave_dfp_02_02_03_01
频谱分析仪

测试场景一
1. 测试要求：对级联板上每个AWR2243所有3根发射天线同时发射连续波的测试。
2. 测试流程：
先在mmwave studio里运行下面的脚本进行所有4片AWR2243的参数配置。\mmwave_studio_03_00_00_14\mmWaveStudio\Scripts\Cascade\Cascade_Configuration_ContStream.lua （测试脚本已经包含在mmwave studio里）
然后运行下面的脚本。这个脚本会先使能芯片Slave 3的连续波发射，然后使能Slave2， Slave1，Master芯片。接着停止所有芯片的信号发射。最后保存相关ADC数据到SSD硬盘上，传送给PC。\mmwave_studio_03_00_00_14\mmWaveStudio\Scripts\Cascade\Cascade_Capture_ContStream.lua（测试脚本已经包含在mmwave studio里）
通过频谱仪抓取和观测芯片的发射信号。

测试场景二
1. 测试要求：对级联板的AWR2243 主芯片（master）的单发射天线进行连续波的测试。
2. 测试流程：
以主芯片的TX0天线为例 (RadarDevice1)
a. 配置主芯片。
在mmwave studio里运行下面的脚本：
Cascade_Configuration_ContStream_master_example.lua （具体内容见附录）
运行脚本后的mmwave studio界面信息如下：
7455.png 5618.jpg
b. 发射连续波。
运行下面的脚本：\mmwave_studio_03_00_00_14\mmWaveStudio\Scripts\Cascade\Cascade_Capture_ContStream.lua（测试脚本已经包含在mmwave studio里）
c. 通过频谱仪抓取和观测芯片的发射信号。

测试场景三

1. 测试要求：对级联板的AWR2243 从芯片（slave）的单发射天线进行连续波的测试。

2. 测试流程：
以slave2芯片的TX1天线为例 (RadarDevice3)
a. 配置从芯片。
在mmwave studio里运行下面的脚本：Cascade_Configuration_ContStream_slave_example.lua（具体内容见附录）
运行脚本后的mmwave studio界面信息如下：
5635.png
5226.jpg

b. 发射连续波。
运行下面的脚本：\mmwave_studio_03_00_00_14\mmWaveStudio\Scripts\Cascade\Cascade_Capture_ContStream.lua（测试脚本已经包含在mmwave studio里）

c. 通过频谱仪抓取和观测芯片的发射信号。

注意事项：
如果改变了AWR2243的ChanNAdcConfig_mult 参数（相对于上一次配置），用户必须对板子进行断电，再上电的操作。

常见问题：

1. 问题：如何使能、不使能主芯片或者是从芯片里的不同发射天线TX？
答案:：用户需要修改配置参数的LUA脚本里ar1.ChanNAdcConfig_mult 函数的Tx0En/Tx1En/Tx2En 参数。关于这个函数的更多信息见下。对于Tx0En/Tx1En/Tx2En， 1表示使能，0表示不使能。
Int32 ar1.ChanNAdcConfig_mult(UInt16 RadarDeviceId, UInt16 Tx0En, UInt16 Tx1En, UInt16 Tx2En, UInt16 Rx0En, UInt16 Rx1En, UInt16 Rx2En, UInt32 Rx3En, Int32 BitsVal, UInt32 FmtVal, UInt32 IQSwap, UInt16 CasCadeMode) -  Static device config API which defines configure both the Transmiter and Reciever channels of Radar device and also ADC data format output
_I_ UInt16     RadarDeviceId      - Radar Device Id
_I_ UInt16     Tx0En     - Tx0 channel
_I_ UInt16     Tx1En     - Tx1 channel
_I_ UInt16     Tx2En     - Tx2 channel
_I_ UInt16     Rx0En     - Rx0 channel
_I_ UInt16     Rx1En     - Rx1 channnel
_I_ UInt16     Rx2En     - Rx2 channel
_I_ UInt32     Rx3En     - Rx3 channel[b15:0] + (CascadePinOutCfg[b31:16] b16:ClkOutMasterDis, b17:SynOutMasterDis, b18:ClkOutSlaveEna, b19:SynOutSlaveEna, b20:IntLOMasterEna, b21:OSCClkOutMasterDis, b22:INTFRCMasterEna)
_I_ Int32        BitsVal    - Number of ADC bits
_I_ UInt32     FmtVal    - ADC output format[b15:0] + FullScaleReductionFactor[b31:16]
_I_ UInt32     IQSwap   - ADC Mode
_I_ UInt16     CasCadeMode      - CascadeMode(Single Chip: 0x0000, MultiChip Master:0x0001, MultiChip Slave:0x0002)

2. 问题：如何使能或者关闭级联板上不同的从芯片？
答案：用户需要修改配置参数的LUA里RadarDevice的设置。RadarDevice里dev1是主芯片，dev2、dev3、dev4是从芯片。
例如： RadarDevice        =    {1, 0, 1, 0}       -- {dev1, dev2, dev3, dev4}, 1: Enable, 0: Disable

3. 问题：如何改变连续波的频率？
答案：用户需要修改配置参数的LUA里ar1.ContStrConfig_mult函数的startFreqConst参数值。
Int32 ar1.ContStrConfig_mult(UInt16 RadarDeviceId, Double startFreqConst, UInt16 digOutSampleRate, Char rxGain, Char hpfCornerFreq1, Char hpfCornerFreq2, UInt32 tx0OutPowerBackoffCode, UInt32 tx1OutPowerBackoffCode, UInt32 tx2OutPowerBackoffCode, UInt16 tx0PhaseShifter, UInt16 tx1PhaseShifter, UInt32 tx2PhaseShifter) - Continuous Streming Configuration API defines Configuration of the data path to transfer the captured ADC samples continuously without missing any sample to external Device(host)
_I_ UInt16     RadarDeviceId      - Radar Device Id
_I_ Double    startFreqConst      - Start Frequency for each profile of chirp in GHz
_I_ UInt16     digOutSampleRate               - ADC sampling rate for each profile in ksps
_I_ Char         rxGain    - Rx gain for each profile in dB
_I_ Char         hpfCornerFreq1   - HPF1 corner frequency for each profile in KHz
_I_ Char         hpfCornerFreq2   - HPF2 corner frequency for each profile in KHz
_I_ UInt32     tx0OutPowerBackoffCode - How much the trasmit power should be reduced from Max in Tx0 Channel
_I_ UInt32     tx1OutPowerBackoffCode - How much the trasmit power should be reduced from Max in Tx1 Channel
_I_ UInt32     tx2OutPowerBackoffCode - How much the trasmit power should be reduced from Max in Tx2 Channel
_I_ UInt16     tx0PhaseShifter    - The additional phase shift to be introduced on Tx0 Channel
_I_ UInt16     tx1PhaseShifter    - The additional phase shift to be introduced on Tx1 Channel
_I_ UInt32     tx2PhaseShifter    - The additional phase shift to be introduced on Tx2 Channel(b0:15) + ForceSelect(b16) + VCOSelecct(b17))

附录：
  1. 1.        Cascade_Configuration_ContStream_master_example.lua
  2. ----------------------------------------User Constants--------------------------------------------
  3.       
  4. dev_list           =    {1, 2, 4, 8}       -- Device map
  5. RadarDevice        =    {1, 0, 0, 0}       -- {dev1, dev2, dev3, dev4}, 1: Enable, 0: Disable
  6. cascade_mode_list  =    {0, 2, 2, 2}       -- 0: Single chip, 1: Master, 2: Slave //Chris: need to set in code directly
  8. -- F/W Download Path
  10. -- Uncomment the next line if you wish to pop-up a dialog box to select the firmware image file
  11. -- Otherwise, hardcode the path to the firmware metaimage below
  12. -- By default, the firmware filename is: xwr22xx_metaImage.bin
  14. -- metaImagePath   =   RSTD.BrowseForFile(RSTD.GetSettingsPath(), "bin", "Browse to .bin file")
  15. -- For 2243 ES1.1 devices
  16. metaImagePath            =   "C:\\ti\\mmwave_dfp_02_02_03_01\\firmware\\xwr22xx_metaImage.bin"
  17. -- For 2243 ES1.0 devices
  18. -- metaImagePath            =   "C:\\ti\\mmwave_dfp_02_02_00_02\\firmware\\xwr22xx_metaImage.bin"
  20. -- IP Address for the TDA2 Host Board
  21. -- Change this accordingly for your setup
  23. TDA_IPAddress           =   "192.168.33.180"
  25. -- Device map of all the devices to be enabled by TDA
  26. -- 1 - master ; 2- slave1 ; 4 - slave2 ; 8 - slave3
  28. deviceMapOverall  =   RadarDevice[1] + (RadarDevice[2]*2) + (RadarDevice[3]*4) + (RadarDevice[4]*8)
  29. deviceMapSlaves   =   (RadarDevice[2]*2) + (RadarDevice[3]*4) + (RadarDevice[4]*8)         
  31. ------------------------------ API Configuration ------------------------------------------------
  32.    
  33. -- 1. Connection to TDA. 2. Selecting Cascade/Single Chip.  3. Selecting 2-chip/4-chip
  35. WriteToLog("Setting up Studio for Cascade started..\n", "blue")
  37. if(0 == ar1.ConnectTDA(TDA_IPAddress, 5001, deviceMapOverall)) then
  38.     WriteToLog("ConnectTDA Successful\n", "green")
  39. else
  40.     WriteToLog("ConnectTDA Failed\n", "red")
  41.     return -1
  42. end
  44. if(0 == ar1.selectCascadeMode(1)) then
  45.     WriteToLog("selectCascadeMode Successful\n", "green")
  46. else
  47.     WriteToLog("selectCascadeMode Failed\n", "red")
  48.     return -1
  49. end
  51. WriteToLog("Setting up Studio for Cascade ended..\n", "blue")
  52.          
  53. --Master Initialization
  55. -- SOP Mode Configuration
  56. if (0 == ar1.SOPControl_mult(1, 4)) then
  57.     WriteToLog("Master : SOP Reset Successful\n", "green")
  58. else
  59.     WriteToLog("Master : SOP Reset Failed\n", "red")
  60.     return -1
  61. end
  63. -- SPI Connect
  64. if (0 == ar1.PowerOn_mult(1, 0, 1000, 0, 0)) then
  65.     WriteToLog("Master : SPI Connection Successful\n", "green")
  66. else
  67.     WriteToLog("Master : SPI Connection Failed\n", "red")
  68.     return -1
  69. end
  71. -- Firmware Download. (SOP 4 - MetaImage)
  72. if (0 == ar1.DownloadBssFwOvSPI_mult(1, metaImagePath)) then
  73.     WriteToLog("Master : FW Download Successful\n", "green")
  74. else
  75.     WriteToLog("Master : FW Download Failed\n", "red")
  76.     return -1
  77. end
  79. -- RF Power Up
  80. if (0 == ar1.RfEnable_mult(1)) then
  81.     WriteToLog("Master : RF Power Up Successful\n", "green")
  82. else
  83.     WriteToLog("Master : RF Power Up Failed\n", "red")
  84.     return -1
  85. end            
  86.          
  87. -- Channel & ADC Configuration
  88. if (0 == ar1.ChanNAdcConfig_mult(1,1,0,0,1,1,1,1,2,1,0,0)) then
  89.     WriteToLog("Master : Channel & ADC Configuration Successful\n", "green")
  90. else
  91.     WriteToLog("Master : Channel & ADC Configuration Failed\n", "red")
  92.     return -2
  93. end
  94.    
  95.             
  96. -- All devices together        
  97.          
  98. -- Including this depends on the type of board being used.
  99. -- LDO configuration
  100. if (0 == ar1.RfLdoBypassConfig_mult(deviceMapOverall, 3)) then
  101.     WriteToLog("LDO Bypass Successful\n", "green")
  102. else
  103.     WriteToLog("LDO Bypass failed\n", "red")
  104.     return -2
  105. end
  107. -- Low Power Mode Configuration
  108. if (0 == ar1.LPModConfig_mult(deviceMapOverall,0, 0)) then
  109.     WriteToLog("Low Power Mode Configuration Successful\n", "green")
  110. else
  111.     WriteToLog("Low Power Mode Configuration failed\n", "red")
  112.     return -2
  113. end
  115. -- Miscellaneous Control Configuration
  116. if (0 == ar1.SetMiscConfig_mult(deviceMapOverall, 1, 0, 0, 0)) then
  117.     WriteToLog("Misc Control Configuration Successful\n", "green")
  118. else
  119.     WriteToLog("Misc Control Configuration failed\n", "red")
  120.     return -2
  121. end
  123. -- Edit this API to enable/disable the boot time calibration. Enabled by default.
  124. -- RF Init Calibration Configuration
  125. if (0 == ar1.RfInitCalibConfig_mult(deviceMapOverall, 1, 1, 1, 1, 1, 1, 1, 65537)) then
  126.     WriteToLog("RF Init Calibration Successful\n", "green")
  127. else
  128.     WriteToLog("RF Init Calibration failed\n", "red")
  129.     return -2
  130. end
  131.          
  132. -- RF Init
  133. if (0 == ar1.RfInit_mult(deviceMapOverall)) then
  134.     WriteToLog("RF Init Successful\n", "green")
  135. else
  136.     WriteToLog("RF Init failed\n", "red")
  137.     return -2
  138. end
  140. ---------------------------Data Configuration----------------------------------
  141.         
  142. -- Data path Configuration
  143. if (0 == ar1.DataPathConfig_mult(deviceMapOverall, 0, 1, 0)) then
  144.     WriteToLog("Data Path Configuration Successful\n", "green")
  145. else
  146.     WriteToLog("Data Path Configuration failed\n", "red")
  147.     return -3
  148. end
  150. -- Clock Configuration
  151. if (0 == ar1.LvdsClkConfig_mult(deviceMapOverall, 1, 1)) then
  152.     WriteToLog("Clock Configuration Successful\n", "green")
  153. else
  154.     WriteToLog("Clock Configuration failed\n", "red")
  155.     return -3
  156. end
  158. -- CSI2 Configuration
  159. if (0 == ar1.CSI2LaneConfig_mult(deviceMapOverall, 1, 0, 2, 0, 4, 0, 5, 0, 3, 0, 0)) then
  160.     WriteToLog("CSI2 Configuration Successful\n", "green")
  161. else
  162.     WriteToLog("CSI2 Configuration failed\n", "red")
  163.     return -3
  164. end
  166. 2.        Cascade_Configuration_ContStream_slave_example.lua
  167. ----------------------------------------User Constants--------------------------------------------
  168.       
  169. dev_list           =    {1, 2, 4, 8}       -- Device map
  170. RadarDevice        =    {1, 0, 1, 0}       -- {dev1, dev2, dev3, dev4}, 1: Enable, 0: Disable
  171. cascade_mode_list  =    {1, 2, 2, 2}       -- 0: Single chip, 1: Master, 2: Slave
  173. -- F/W Download Path
  175. -- Uncomment the next line if you wish to pop-up a dialog box to select the firmware image file
  176. -- Otherwise, hardcode the path to the firmware metaimage below
  177. -- By default, the firmware filename is: xwr22xx_metaImage.bin
  179. -- metaImagePath   =   RSTD.BrowseForFile(RSTD.GetSettingsPath(), "bin", "Browse to .bin file")
  180. -- For 2243 ES1.1 devices
  181. metaImagePath            =   "C:\\ti\\mmwave_dfp_02_02_03_01\\firmware\\xwr22xx_metaImage.bin"
  182. -- For 2243 ES1.0 devices
  183. -- metaImagePath            =   "C:\\ti\\mmwave_dfp_02_02_00_02\\firmware\\xwr22xx_metaImage.bin"
  185. -- IP Address for the TDA2 Host Board
  186. -- Change this accordingly for your setup
  188. TDA_IPAddress           =   "192.168.33.180"
  190. -- Device map of all the devices to be enabled by TDA
  191. -- 1 - master ; 2- slave1 ; 4 - slave2 ; 8 - slave3
  193. deviceMapOverall  =   RadarDevice[1] + (RadarDevice[2]*2) + (RadarDevice[3]*4) + (RadarDevice[4]*8)
  194. deviceMapSlaves   =   (RadarDevice[2]*2) + (RadarDevice[3]*4) + (RadarDevice[4]*8)         
  196. ------------------------------ API Configuration ------------------------------------------------
  197.    
  198. -- 1. Connection to TDA. 2. Selecting Cascade/Single Chip.  3. Selecting 2-chip/4-chip
  200. WriteToLog("Setting up Studio for Cascade started..\n", "blue")
  202. if(0 == ar1.ConnectTDA(TDA_IPAddress, 5001, deviceMapOverall)) then
  203.     WriteToLog("ConnectTDA Successful\n", "green")
  204. else
  205.     WriteToLog("ConnectTDA Failed\n", "red")
  206.     return -1
  207. end
  209. if(0 == ar1.selectCascadeMode(1)) then
  210.     WriteToLog("selectCascadeMode Successful\n", "green")
  211. else
  212.     WriteToLog("selectCascadeMode Failed\n", "red")
  213.     return -1
  214. end
  216. WriteToLog("Setting up Studio for Cascade ended..\n", "blue")
  217.          
  218. --Master Initialization
  220. -- SOP Mode Configuration
  221. if (0 == ar1.SOPControl_mult(1, 4)) then
  222.     WriteToLog("Master : SOP Reset Successful\n", "green")
  223. else
  224.     WriteToLog("Master : SOP Reset Failed\n", "red")
  225.     return -1
  226. end
  228. -- SPI Connect
  229. if (0 == ar1.PowerOn_mult(1, 0, 1000, 0, 0)) then
  230.     WriteToLog("Master : SPI Connection Successful\n", "green")
  231. else
  232.     WriteToLog("Master : SPI Connection Failed\n", "red")
  233.     return -1
  234. end
  236. -- Firmware Download. (SOP 4 - MetaImage)
  237. if (0 == ar1.DownloadBssFwOvSPI_mult(1, metaImagePath)) then
  238.     WriteToLog("Master : FW Download Successful\n", "green")
  239. else
  240.     WriteToLog("Master : FW Download Failed\n", "red")
  241.     return -1
  242. end
  244. -- RF Power Up
  245. if (0 == ar1.RfEnable_mult(1)) then
  246.     WriteToLog("Master : RF Power Up Successful\n", "green")
  247. else
  248.     WriteToLog("Master : RF Power Up Failed\n", "red")
  249.     return -1
  250. end            
  251.          
  252. -- Channel & ADC Configuration
  253. if (0 == ar1.ChanNAdcConfig_mult(1,0,0,0,1,1,1,1,2,1,0,1)) then
  254.     WriteToLog("Master : Channel & ADC Configuration Successful\n", "green")
  255. else
  256.     WriteToLog("Master : Channel & ADC Configuration Failed\n", "red")
  257.     return -2
  258. end
  259.    
  260. -- Slaves Initialization
  261.    
  262. for i=2,table.getn(RadarDevice) do
  263.     local status    =    0               
  264.     if ((RadarDevice[1]==1) and (RadarDevice[i]==1)) then
  265.       
  266.         -- SOP Mode Configuration
  267.         if (0 == ar1.SOPControl_mult(dev_list[i], 4)) then
  268.             WriteToLog("Device "..i.." : SOP Reset Successful\n", "green")
  269.         else
  270.             WriteToLog("Device "..i.." : SOP Reset Failed\n", "red")
  271.             return -1
  272.         end
  273.                
  274.         -- SPI Connect   
  275.         if (0 == ar1.AddDevice(dev_list[i])) then
  276.             WriteToLog("Device "..i.." : SPI Connection Successful\n", "green")
  277.         else
  278.             WriteToLog("Device "..i.." : SPI Connection Failed\n", "red")
  279.             return -1
  280.         end
  281.            
  282.     end
  283. end  
  284.    
  285. -- Firmware Download. (SOP 4 - MetaImage)
  286. if (0 == ar1.DownloadBssFwOvSPI_mult(deviceMapSlaves, metaImagePath)) then
  287.     WriteToLog("Slaves : FW Download Successful\n", "green")
  288. else
  289.     WriteToLog("Slaves : FW Download Failed\n", "red")
  290.     return -1
  291. end
  292.          
  293. -- RF Power Up
  294. if (0 == ar1.RfEnable_mult(deviceMapSlaves)) then
  295.     WriteToLog("Slaves : RF Power Up Successful\n", "green")
  296. else
  297.     WriteToLog("Slaves : RF Power Up Failed\n", "red")
  298.     return -1
  299. end   
  301. -- Channel & ADC Configuration
  302. if (0 == ar1.ChanNAdcConfig_mult(deviceMapSlaves,0,1,0,1,1,1,1,2,1,0,2)) then
  303.     WriteToLog("Slaves : Channel & ADC Configuration Successful\n", "green")
  304. else
  305.     WriteToLog("Slaves : Channel & ADC Configuration Failed\n", "red")
  306.     return -2
  307. end
  308.             
  309. -- All devices together        
  310.          
  311. -- Including this depends on the type of board being used.
  312. -- LDO configuration
  313. if (0 == ar1.RfLdoBypassConfig_mult(deviceMapOverall, 3)) then
  314.     WriteToLog("LDO Bypass Successful\n", "green")
  315. else
  316.     WriteToLog("LDO Bypass failed\n", "red")
  317.     return -2
  318. end
  320. -- Low Power Mode Configuration
  321. if (0 == ar1.LPModConfig_mult(deviceMapOverall,0, 0)) then
  322.     WriteToLog("Low Power Mode Configuration Successful\n", "green")
  323. else
  324.     WriteToLog("Low Power Mode Configuration failed\n", "red")
  325.     return -2
  326. end
  328. -- Miscellaneous Control Configuration
  329. if (0 == ar1.SetMiscConfig_mult(deviceMapOverall, 1, 0, 0, 0)) then
  330.     WriteToLog("Misc Control Configuration Successful\n", "green")
  331. else
  332.     WriteToLog("Misc Control Configuration failed\n", "red")
  333.     return -2
  334. end
  336. -- Edit this API to enable/disable the boot time calibration. Enabled by default.
  337. -- RF Init Calibration Configuration
  338. if (0 == ar1.RfInitCalibConfig_mult(deviceMapOverall, 1, 1, 1, 1, 1, 1, 1, 65537)) then
  339.     WriteToLog("RF Init Calibration Successful\n", "green")
  340. else
  341.     WriteToLog("RF Init Calibration failed\n", "red")
  342.     return -2
  343. end
  344.          
  345. -- RF Init
  346. if (0 == ar1.RfInit_mult(deviceMapOverall)) then
  347.     WriteToLog("RF Init Successful\n", "green")
  348. else
  349.     WriteToLog("RF Init failed\n", "red")
  350.     return -2
  351. end
  353. ---------------------------Data Configuration----------------------------------
  354.         
  355. -- Data path Configuration
  356. if (0 == ar1.DataPathConfig_mult(deviceMapOverall, 0, 1, 0)) then
  357.     WriteToLog("Data Path Configuration Successful\n", "green")
  358. else
  359.     WriteToLog("Data Path Configuration failed\n", "red")
  360.     return -3
  361. end
  363. -- Clock Configuration
  364. if (0 == ar1.LvdsClkConfig_mult(deviceMapOverall, 1, 1)) then
  365.     WriteToLog("Clock Configuration Successful\n", "green")
  366. else
  367.     WriteToLog("Clock Configuration failed\n", "red")
  368.     return -3
  369. end
  371. -- CSI2 Configuration
  372. if (0 == ar1.CSI2LaneConfig_mult(deviceMapOverall, 1, 0, 2, 0, 4, 0, 5, 0, 3, 0, 0)) then
  373.     WriteToLog("CSI2 Configuration Successful\n", "green")
  374. else
  375.     WriteToLog("CSI2 Configuration failed\n", "red")
  376.     return -3
  377. end
[size=15.399999618530273px]

[size=15.399999618530273px]来源：德州仪器