morse encoder
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2c2ff2d2ed
commit
95365cf6c1
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@ -1,7 +1,7 @@
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SRC = irmc.c cwprotocol.c beep.c util.c
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SRC = irmc.c cwprotocol.c beep.c util.c
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OBJ = ${SRC:.c=.o}
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OBJ = ${SRC:.c=.o}
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LDFLAGS = -lportaudio -lpthread -lm
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LDFLAGS = -lportaudio -lpthread -lm
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CFLAGS = -Wall -Wno-format-zero-length
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CFLAGS = -Wall -Wno-format-zero-length -Wno-parentheses
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INSTALLDIR = ${HOME}/bin
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INSTALLDIR = ${HOME}/bin
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all: options irmc
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all: options irmc
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@ -1,5 +1,6 @@
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#include <stdio.h>
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#include <stdio.h>
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#include <sys/socket.h>
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#include <sys/socket.h>
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#include <ctype.h>
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#include "cwprotocol.h"
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#include "cwprotocol.h"
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@ -13,6 +14,8 @@ struct data_packet_format tx_data_packet;
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int tx_sequence = 0, rx_sequence;
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int tx_sequence = 0, rx_sequence;
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int fd_socket;
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int fd_socket;
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struct morse_timig_format morse_timing;
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int prepare_id (struct data_packet_format *id_packet, char *id)
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int prepare_id (struct data_packet_format *id_packet, char *id)
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{
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{
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id_packet->command = DAT;
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id_packet->command = DAT;
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@ -83,3 +86,21 @@ int send_unlatch (void)
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return 0;
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return 0;
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}
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}
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int prepare_text2morse (int wpm)
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{
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morse_timing.wpm = wpm;
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morse_timing.dot_len = (int) (1200/wpm); // in ms - PARIS standard
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morse_timing.dash_len = 3*morse_timing.dot_len;
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morse_timing.charspace_len = 3*morse_timing.dot_len;
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morse_timing.wordspace_len = 7*morse_timing.dot_len;
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return 0;
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}
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int char2morse(char c)
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{
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// why? because!!!
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// http://stackoverflow.com/questions/1352587/convert-a-string-into-morse-code/1355594^
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for(;c= c?c:(c=toupper(getchar())-32)?c<0?1:"\x95#\x8CKa`^ZRBCEIQiw#S#nx(37+$6-2&@/4)'18=,*%.:0;?5" [c-12]-34:-3;c/=2)putchar(c/2?46-c%2:32);
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return 0;
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}
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@ -37,6 +37,7 @@ struct data_packet_format{
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};
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};
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// Define the packets used
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// Define the packets used
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#define DEFAULT_CHANNEL 103
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#define DEFAULT_CHANNEL 103
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@ -58,5 +59,14 @@ extern int tx_sequence, rx_sequence;
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extern int fd_socket;
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extern int fd_socket;
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// Morse Code Sender - Timings
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#define WPM_DEFAULT 20
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struct morse_timig_format {
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int wpm;
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int dot_len, dash_len;
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int wordspace_len, charspace_len;
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};
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int prepare_text2morse (int wpm);
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@ -40,7 +40,7 @@ long tx_timer = 0;
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/* TX Methods */
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/* TX Methods */
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#define TX_NONE 0
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#define TX_NONE 0
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//#define TX_SERIAL 1
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//#define TX_SERIAL 1
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//#define TX_KEYBOARD 2 // not implemented yet
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#define TX_KEYBOARD 2 // not implemented yet
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#define TX_RASPI 3
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#define TX_RASPI 3
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long key_press_t1;
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long key_press_t1;
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@ -261,6 +261,10 @@ int main(int argc, char *argv[])
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}
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}
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pinMode(TX_RASPI_PIN, INPUT);
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pinMode(TX_RASPI_PIN, INPUT);
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#endif
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#endif
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#ifdef TX_KEYBOARD
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prepare_text2morse (WPM_DEFAULT);
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#endif
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freeaddrinfo(servinfo); /* all done with this structure */
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freeaddrinfo(servinfo); /* all done with this structure */
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@ -366,6 +370,7 @@ int main(int argc, char *argv[])
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}
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}
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if(kbhit() && tx_timer == 0){
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if(kbhit() && tx_timer == 0){
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char2morse("s");
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getchar(); /* flush the buffer */
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getchar(); /* flush the buffer */
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}
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}
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} /* End of mainloop */
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} /* End of mainloop */
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