ZHCAD54A September 2023 – December 2023 CC3300 , CC3301 , CC3351
与 TX 类似,可以使用外部设备来分析接收器性能。此设置与“图 3-1”相同,只是 Wi-Fi 解调器被替换为信号发生器。CC33XX 支持的任何 Wi-FI 信号都可以用于测试。通过使用 RX 命令,可以检查接收器的性能。
calibrator wlan0 cc33xx_plt tune_channel 6 0 0
calibrator wlan0 cc33xx_plt start_rx -source_mac FF:FF:FF:FF:FF:FF -ack_enable 1
示例 输出:
Calibrator:: Starting RX Simulation (Note that statistics counters are being reset)...
calibrator wlan0 cc33xx_plt get_rx_stats
示例输出:
[ 280.360585] wlcore: testmode cmd: radio status=0
Total Received Packets: 3003
FCS Errors: 829
MAC Mismatch: 0
Good Packets: 2174
Average RSSI (SOC): -91
Average RSSI (ANT): -188
status: 1
PER: 0.276057 # PER = Total Bad / Total Received
检查获得的数据。该器件应从所提供的信号中拾取多个数据包。通过确认该输出给出的这些参数,可以检查 RX 操作的性能。
calibrator wlan0 cc33xx_plt stop_rx