px4-firmware/unittests/sbus2_test.cpp

85 lines
1.8 KiB
C++

#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <systemlib/mixer/mixer.h>
#include <systemlib/err.h>
#include <drivers/drv_hrt.h>
#include <px4iofirmware/px4io.h>
#include "../../src/systemcmds/tests/tests.h"
int main(int argc, char *argv[]) {
warnx("SBUS2 test started");
char *filepath = 0;
if (argc < 2) {
warnx("Using default input file");
filepath = "testdata/sbus2_r7008SB.txt";
} else {
filepath = argv[1];
}
warnx("loading data from: %s", filepath);
FILE *fp;
fp = fopen(filepath,"rt");
if (!fp)
errx(1, "failed opening file");
float f;
unsigned x;
int ret;
// Trash the first 20 lines
for (unsigned i = 0; i < 20; i++) {
char buf[200];
(void)fgets(buf, sizeof(buf), fp);
}
// Init the parser
uint8_t frame[30];
unsigned partial_frame_count = 0;
uint16_t rc_values[18];
uint16_t num_values;
bool sbus_failsafe;
bool sbus_frame_drop;
uint16_t max_channels = sizeof(rc_values) / sizeof(rc_values[0]);
float last_time = 0;
while (EOF != (ret = fscanf(fp, "%f,%x,,", &f, &x))) {
if (((f - last_time) * 1000 * 1000) > 3000) {
partial_frame_count = 0;
//warnx("FRAME RESET\n\n");
}
frame[partial_frame_count] = x;
partial_frame_count++;
//warnx("%f: 0x%02x, first: 0x%02x, last: 0x%02x, pcount: %u", (double)f, x, frame[0], frame[24], partial_frame_count);
if (partial_frame_count == sizeof(frame))
partial_frame_count = 0;
last_time = f;
// Pipe the data into the parser
hrt_abstime now = hrt_absolute_time();
//if (partial_frame_count % 25 == 0)
//sbus_parse(now, frame, &partial_frame_count, rc_values, &num_values, &sbus_failsafe, &sbus_frame_drop, max_channels);
}
if (ret == EOF) {
warnx("Test finished, reached end of file");
ret = 0;
} else {
warnx("Test aborted, errno: %d", ret);
}
return ret;
}