kopia lustrzana https://github.com/F5OEO/rpitx
fixed wrong spelled words
freddii
rodzic
cce1fe6acf
commit
80926eb5f7
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@ -149,7 +149,7 @@ if __name__ == "__main__":
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datetime.timedelta(minutes=1) # start of next minute
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if now.second >= 58:
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# not enougth time, add one more minute
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# not enough time, add one more minute
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start = start + datetime.timedelta(minutes=1)
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filename = None
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@ -169,7 +169,7 @@ if __name__ == "__main__":
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f.write(sample)
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logger.debug("%s, %s", amplitude, timing)
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print "waiting %s for syncronization..." % start
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print "waiting %s for synchronization..." % start
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while True:
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# whaiting for start of minute
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if datetime.datetime.now() >= start:
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@ -17,7 +17,7 @@ Be sure to have git package installed :
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sudo apt-get update
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sudo apt-get install git
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```
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You can now clone the repository. A script (install.sh) is there for easy installation. You could inspect it and make steps manualy in case of any doubt. You can note that /boot/config.txt should be prompt to be modified during the installation. If it is not accepted, **rpitx** will be unstable.
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You can now clone the repository. A script (install.sh) is there for easy installation. You could inspect it and make steps manually in case of any doubt. You can note that /boot/config.txt should be prompt to be modified during the installation. If it is not accepted, **rpitx** will be unstable.
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```sh
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git clone https://github.com/F5OEO/rpitx
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@ -109,7 +109,7 @@ To launch it, go to rpitx folder and launch rtlmenu.sh :
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```sh
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./rtlmenu.sh
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```
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You have first to set receiver frequency and gain of rtl-sdr. Warning about gain, you should ensure that you have enough gain to receive the signal but not to strong which could saturate it and will not be usefull by **rpitx**.
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You have first to set receiver frequency and gain of rtl-sdr. Warning about gain, you should ensure that you have enough gain to receive the signal but not to strong which could saturate it and will not be useful by **rpitx**.
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Choose your choice with arrows and enter to start it.**Don't forget, some test are made in loop, you have to press CTRL^C to exit and back to menu.**
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@ -125,7 +125,7 @@ So first, record few seconds of signal, CTRL^C for stop recording. Then replay i
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We can also live transmitting a received band frequency. Here the input frequency is a FM broadcast station which is retransmit on 434MHZ.
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### Relay with transmodulation ###
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We assume that input frequency is tuned on FM station. It is demodulated and modulate to SSB on 434MHZ. SSB is not HiFi, so prefere to choose a talk radio, music sounds like bit weird !
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We assume that input frequency is tuned on FM station. It is demodulated and modulate to SSB on 434MHZ. SSB is not HiFi, so prefer to choose a talk radio, music sounds like bit weird !
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# To continue
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@ -93,7 +93,7 @@ int main(int argc, char* argv[])
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case 'f': // Frequency
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SetFrequency = atof(optarg);
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break;
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case 's': // SampleRate (Only needeed in IQ mode)
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case 's': // SampleRate (Only needed in IQ mode)
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SampleRate = atoi(optarg);
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if(SampleRate>MAX_SAMPLERATE)
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{
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@ -162,7 +162,7 @@ ldpc_inter_array: .space 40 * 64 @: intermediate output array when applying the
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@:
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@: Version 12.34 would be returned as 0x00001234
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@:
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@: The effiency value is used to determine the required bit rate of the 188 byte TS
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@: The efficiency value is used to determine the required bit rate of the 188 byte TS
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@: Bit rate = symbol_rate * efficiency / 1,000,000
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@:
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@: Typical usage:
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@ -428,7 +428,7 @@ setup_s34:
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@: 0 = more packets are required to fill the frame
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@: !0 = pointer to a 546 word IQ buffer containing a short frame
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@:
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@: 4 outbuffers are used in sequence so that it is not neccessary to move the
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@: 4 outbuffers are used in sequence so that it is not necessary to move the
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@: data to prevent it being overwritten by the next frame
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@:
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@: All registers except r0 are restored to their original values
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@ -2336,7 +2336,7 @@ bch_s168_table:
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@: entry 1: offset to the group of 360 bits (45 bytes) in the BCH frame array
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@: entry 2: offset of the row number in the intermediate LDPC array
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@: entry 3: left shift value for first register
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@: entry 4: adddress of the setup routine for the particlular first register
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@: entry 4: address of the setup routine for the particlular first register
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@: LDPC parameters - short frame, FEC 1/4, 5 words per entry
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@ -29,8 +29,8 @@ The program return 0 if message send.
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### Known limitation
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- a gap or a pulse can not be shorter than 10us (options `-0` or `-1`).
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- the pulse is not really a pulse : it is not modulated (you cant have a pulse of 7Khz for ex.)
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- but the signal is not really a square signal too, because librpitx, for an unkown reason, modulate the generated signal globally :
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- the pulse is not really a pulse : it is not modulated (you can't have a pulse of 7Khz for ex.)
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- but the signal is not really a square signal too, because librpitx, for an unknown reason, modulate the generated signal globally :
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-- for example, the command `sendook -f 868.3M -0 500 -1 250 -r 3 101010` should generate :
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```
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| .... .... ....
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@ -149,7 +149,7 @@ int main(int argc, char *argv[])
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nbbits ++;
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computed_duration += bit1duration;
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}
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// any other char is ignored (it allows to speparate nibble with a space for example)
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// any other char is ignored (it allows to separate nibble with a space for example)
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// improvement : allow "." and "-" or "i" and "a" to create a MORSE sender
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}
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dbg_printf(1, "Send %d bits, with a total duration of %d us.\n", nbbits, computed_duration);
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@ -198,6 +198,6 @@ int main(int argc, char *argv[])
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if(!running)
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break;
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}
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printf("Message successfuly transmitted\n");
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printf("Message successfully transmitted\n");
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return 0;
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}
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@ -126,7 +126,7 @@ char packed_target[29] ="0000011011000110111100001111"; //0x0606F0F
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char call_target[7] = "AA1AA ";
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// **** Grobal variables ****
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// **** Global variables ****
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short int symbol[239]; // to be decode
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short int interleaved[119];
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short int before_interleave[119];
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@ -458,7 +458,7 @@ void generate_crc(char * datas, char * crc, int length)
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{ // 32 + 16(length) = 48 or 48 + 3(length) = 51
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// CRC16-IBM : Polynominal = X16+X15+X2+1 = 1000 0000 0000 0101
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// This function is a copy of JUMA TX136/500 control program
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// whitch was written by F4GCB (Patrick). Thanks Patrick.
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// which was written by F4GCB (Patrick). Thanks Patrick.
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int i, j, k, len;
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char buffer[52];
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@ -41,7 +41,7 @@
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bool running=true;
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//#define __VCpp__ TRUE
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// Grobal Variables
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// Global Variables
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float Frequency=0;
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static const short int pseudo_sequence[51] = {
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@ -176,7 +176,7 @@ uint32_t encodeASCII(uint32_t initial_offset, char *str, uint32_t *out)
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//Data for the current word we're writing
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uint32_t currentWord = 0;
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//Nnumber of bits we've written so far to the current word
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//Number of bits we've written so far to the current word
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uint32_t currentNumBits = 0;
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//Position of current word in the current batch
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@ -279,7 +279,7 @@ uint32_t encodeNumeric(uint32_t initial_offset, char *str, uint32_t *out)
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//Data for the current word we're writing
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uint32_t currentWord = 0;
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//Nnumber of bits we've written so far to the current word
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//Number of bits we've written so far to the current word
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uint32_t currentNumBits = 0;
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//Position of current word in the current batch
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@ -2,7 +2,7 @@
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This version is to allow back compatibility with rpitx v1
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Copyright (C) 2015-2018 Evariste COURJAUD F5OEO (evaristec@gmail.com)
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Transmitting on HF band is surely not permitted without license (Hamradio for example).
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Usage of this software is not the responsability of the author.
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Usage of this software is not the responsibility of the author.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -113,7 +113,7 @@ int main(int argc, char* argv[])
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if(strcmp("IQFLOAT",optarg)==0) Mode=MODE_RPITX_IQ_FLOAT;
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if(strcmp("VFO",optarg)==0) Mode=MODE_RPITX_VFO;
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break;
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case 's': // SampleRate (Only needeed in IQ mode)
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case 's': // SampleRate (Only needed in IQ mode)
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SampleRate = atoi(optarg);
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break;
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case 'p': // ppmcorrection
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@ -14,7 +14,7 @@
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// 2-sendiq is started with the -m {token} argument, without it no shared memory commands
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// are honored.
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// 3-Partner program willing to alter the operation of sendiq place the
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// appropriate commnand plus optional associated data and/or common_data
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// appropriate command plus optional associated data and/or common_data
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// if needed (see table below).
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// 4-Partner program set updated=true.
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// 5-sendiq checks periodically for condition updated==true.
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@ -31,7 +31,7 @@
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// 4444 Change Frequency Frequency in Hz N/A
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// ---------------------------------------------------------------------------
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//
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// Note: with current level if shared memory is enabled the data incoming thru standar input
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// Note: with current level if shared memory is enabled the data incoming thru standard input
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// or file is expected to be in float format. Other data formats aren't supported together with
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// commands, for them sendiq will work but no commands will be honored.
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//
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@ -133,7 +133,7 @@ int main(int argc, char* argv[])
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sharedmem_token = atoi(optarg);
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InputType=typeiq_float; //if using shared memory force float pipe
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break;
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case 's': // SampleRate (Only needeed in IQ mode)
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case 's': // SampleRate (Only needed in IQ mode)
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SampleRate = atoi(optarg);
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if(SampleRate>MAX_SAMPLERATE)
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{
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@ -163,7 +163,7 @@ int main(int argc, char* argv[])
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case 'l': // loop mode
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loop_mode_flag = true;
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break;
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case 't': // inout type
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case 't': // input type
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if(strcmp(optarg,"i16")==0) InputType=typeiq_i16;
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if(strcmp(optarg,"u8")==0) InputType=typeiq_u8;
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if(strcmp(optarg,"float")==0) InputType=typeiq_float;
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