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| network_protocol_programming_lab:15.3_1_exercise [2020/04/30 07:51] – [Tasks] rathke | network_protocol_programming_lab:15.3_1_exercise [2021/04/09 13:23] (current) – [Tasks] admin | ||
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| * a ready BeagleBone Black equipped with the CC1200 | * a ready BeagleBone Black equipped with the CC1200 | ||
| - | * one TI Development Kit for the CC1200 | + | * another BeagleBone Block equipped with the CC1200 |
| - | * Smart RF Studio. | + | * 4C. |
| ===== Tasks ===== | ===== Tasks ===== | ||
| - | * connect the TI Development Kit to your computer and execute | + | * connect the first BeagleBone Black to your computer and install, |
| - | * open the CC1200 panel and select “Symbolrate 38.4kbps, 2-GFSK, | + | * open RX Synchronous Serial Mode in test window. |
| - | * press the button “Continuous RX” in the lower window. | + | * export all registers to a file. |
| - | * export all registers to a file. This means 208 registers must be exported. | + | * connect the second |
| - | * connect the BeagleBone Black to your computer and login as superuser. | + | |
| * copy the SPI_test directory and modify it according page [[network_protocol_programming_lab: | * copy the SPI_test directory and modify it according page [[network_protocol_programming_lab: | ||
| - | * copy the export file from SmartRF Studio | + | * copy the export file from 4C to the BeagleBone Black |
| * import the export file into your program and initialize the registers according the values of the export file. | * import the export file into your program and initialize the registers according the values of the export file. | ||
| * verify that the registers have been written correctly. | * verify that the registers have been written correctly. | ||
| - | * Read chapter 6.9 of the [[http:// | + | * Read chapter 6.9 about the RSSI of the [[http:// |
| + | * if the program is correctly compiled and linked start it. The RSSI must have values between '' | ||
| + | * If this is the case bring 4C in “TX RX Synchronous Serial Mode" and start the transmitter. At the receiver, the BeagleBone Black, the RSSI should increase. If switching off the transmitter, | ||
| + | ===== Hints ===== | ||
| + | |||
| + | * a precision of 1dB of the RSSI is sufficient | ||
| + | * keep care, that representation of the RSSI is not an integer value, but a byte in two's complement presentation. | ||
