librpitx
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F5OEO
Radio frequency transmitter library - Engine of rpitx
Would anybody be interested to work together on creating a RPi4 working version of this software and of rpitx itself? Approach: understand the install procedure and check and when needed...
Congratulations on this excellent project! I have noticed some things that I would like to tell you that, perhaps, could help the project. 1) Documentation: there are some comments in...
I have built a single band RPi WSPR shield which is successfully transmitting. I would like to design a multi band shield, where each band is generated by a different...
As mentioned in #11, here is the pull request for easy convenience
… header files) and .a (the resulting archive)) Ideally the existing .gch file would be removed from this repository as well, because it will be built by gcc. When doing...
``` atv.cpp: In member function ‘void atv::SetDmaAlgo()’: atv.cpp:161:59: error: cast from ‘dma::dma_cb_t*’ to ‘unsigned int’ loses precision [-fpermissive] dbg_printf(1, "Last cbp : %d \n", ((unsigned int)(cbp) - (unsigned int)(cbarray)) /...
When running any of the DMA examples on a raspberry pi zero w that does nothing else, the signal stops after a short amount of time. The actual cut-off time...
When tuning over 450Mhz, output power decreasing quickly. Setting a lower frequency and get 3rd harmonic is stronger. Need investigate why and make a workaround for choosing right central frequency...
Even we can output PLL frequency on GPIO up to 1.2Ghz, effective power decreasend rapidly and using a 3*N harmonic is sometomes better than using fundamental frequency. Need to measure...