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reading 4 values from arduino

master
tth 2 年之前
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0826568604
共有 6 個文件被更改,包括 53 次插入13 次删除
  1. +1
    -1
      .gitignore
  2. +21
    -6
      serial/essai.sh
  3. +21
    -2
      serial/funcs.c
  4. +3
    -1
      serial/serial.c
  5. +5
    -2
      serial/t.c
  6. +2
    -1
      simulator/send-random/send-random.ino

+ 1
- 1
.gitignore 查看文件

@ -15,6 +15,6 @@ doc/*.ind
*/*.dat
rrdb/*.png
serial/*.png

+ 21
- 6
serial/essai.sh 查看文件

@ -1,10 +1,25 @@
#!/bin/bash
DEVICE="/dev/ttyACM0"
DATAFILE="foo.dat"
IMAGE="graphe.png"
NB_READ=1000
./t -n ${NB_READ} -d ${DEVICE} | tee -a ${DATAFILE}
gnuplot << __EOC__
set term png size 1024,512
set output "${IMAGE}"
set grid
set xdata time
set timefmt "%s"
set format x "%H:%M:S"
plot "${DATAFILE}" using 1:2 title "foo" with lines, \
"${DATAFILE}" using 1:3 title "bar" with lines, \
"${DATAFILE}" using 1:4 title "quux" with lines, \
"${DATAFILE}" using 1:5 title "booz" with lines
__EOC__
# display ${IMAGE}
for p in {0..15}
do
echo pass $p
./t ${DEVICE} | tee -a foo.dat
sleep 8
done

+ 21
- 2
serial/funcs.c 查看文件

@ -1,5 +1,6 @@
#include <stdio.h>
#include <string.h>
#include "serial.h"
@ -15,7 +16,7 @@ value=0;
if ( cflag != *line ) {
if (verbosity) {
fprintf(stderr, "%s line[0] 0x%x bad\n",
fprintf(stderr, "%s : line[0] 0x%x bad\n",
__func__, *line);
}
return -777;
@ -36,8 +37,26 @@ return value;
/* ---------------------------------------------------------------- */
int parse4values(char *line, char cflag, float array[4])
{
float ftmp[4];
int foo;
if ( cflag != *line ) {
if (verbosity) {
fprintf(stderr, "%s : line[0] 0x%x bad\n",
__func__, *line);
}
return -777;
}
foo = sscanf(line+1, "%f %f %f %f", ftmp, ftmp+1, ftmp+2, ftmp+3);
if (4 != foo) {
fprintf(stderr, "%s : sscanf -> %d\n", __func__, foo);
return -666;
}
// fprintf(stderr, "\tV %f\n", ftmp[0]);
memcpy(array, ftmp, 4*sizeof(float));
return -777;
return 4;
}
/* ---------------------------------------------------------------- */

+ 3
- 1
serial/serial.c 查看文件

@ -41,7 +41,7 @@ int baudbits;
struct termios options;
#if DEBUG_LEVEL
fprintf(stderr, "%s ( %s %d )\n", __func__, port, baudrate);
fprintf(stderr, ">>> %s ( %s %d )\n", __func__, port, baudrate);
#endif
// OPEN THE UART
// The flags (defined in fcntl.h):
@ -103,6 +103,8 @@ options.c_cc[VMIN] = 1; /* ask for blocking read */
tcflush(uart0, TCIFLUSH);
tcsetattr(uart0, TCSANOW, &options);
tcflush(uart0, TCIFLUSH); /* do it again, sam */
return uart0;
}
/* -------------------------------------------------------------------- */


+ 5
- 2
serial/t.c 查看文件

@ -24,6 +24,7 @@ int loop(int sfd, int iters)
int count, foo;
long temps;
char ligne[200];
float datas[4];
for (count=0; count<iters; count++) {
foo = getline_to(sfd, ligne, 100, 0);
@ -32,16 +33,18 @@ for (count=0; count<iters; count++) {
fprintf(stderr, "getline #%d -> %d\n", count, foo);
fprintf(stderr, "%s\n", ligne);
}
foo = parseXvalue(ligne, 'X');
foo = parse4values(ligne, 'X', datas);
//
if (foo >= 0) {
temps = time(NULL);
printf("%ld %d\n", temps, foo);
printf("%ld %f %f %f %f\n", temps,
datas[0], datas[1], datas[2], datas[3]);
fflush(stdout);
}
else {
fprintf(stderr, "%s: parse -> %d\n", __func__, foo);
}
if (verbosity) fprintf(stderr, "\n");
}
return 0;
}


+ 2
- 1
simulator/send-random/send-random.ino 查看文件

@ -5,6 +5,7 @@
/* -------------------------------------------------- */
#define NBVAL 4
#define DELAI 1664
int values[NBVAL];
@ -48,7 +49,7 @@ void sendvalues(void)
void loop() {
updatevalues();
sendvalues();
delay(800);
delay(DELAI);
}
/* -------------------------------------------------- */


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