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CC3200 Wifi 的实际传输速度是多少? 有没有人测试过?

正在研究传输数据用UART 还是SPI ?

如果 Wifi的速度不高(≤1MB/s), 那我们就用UART;

否则就用更高速的SPI

  • 这些数据release notes里面都有的:

    MCU-NWP SPI link
    13 MHz
    20 MHz
    Init time from hibernate until device ready*
    250 mSec
    75 mSec
    Init time from hibernate until WPA2 connection*
    300 mSec
    120 mSec
    Maximum UDP throughput, open socket
    13 Mbps
    16 Mbps
    Maximum TCP throughput, open socket
    11 Mbps
    13 Mbps
    Maximum TLS/SSL throughput with RC4_128 cipher
    5 Mbps
    9 Mbps
    Maximum TLS/SSL throughput with AES_256 cipher
    7 Mbps
    12 Mbps
    Minimum TLS/SLL connection time with ECC cipher
    2.5 Sec
    1.3 Sec
    Minimum TLS/SSL connection time with RSA cipher
    200 mSec
    130 mSec

  • 如果穿数据的应用,一般都可以满足了,如果传输图像2路应该没问题。