px4-firmware/unittests/sbus2_test.cpp

90 lines
1.8 KiB
C++

#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "../../src/systemcmds/tests/tests.h"
#include <drivers/drv_hrt.h>
// Enable S.BUS parser output
#define SBUS_DEBUG
#include <rc/sbus.h>
#include <systemlib/err.h>
#include <systemlib/mixer/mixer.h>
#include "gtest/gtest.h"
TEST(SBUS2Test, SBUS2)
{
const char *filepath = "testdata/sbus2_r7008SB.txt";
FILE *fp;
fp = fopen(filepath, "rt");
ASSERT_TRUE(fp);
warnx("loading data from: %s", filepath);
// if (argc < 2)
// errx(1, "Need a filename for the input file");
int byte_offset = 7;
// if (argc > 2) {
// char* end;
// byte_offset = strtol(argv[2],&end,10);
// }
warnx("RUNNING TEST WITH BYTE OFFSET OF: %d", byte_offset);
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[SBUS_BUFFER_SIZE];
uint16_t rc_values[18];
uint16_t num_values;
unsigned sbus_frame_drops = 0;
unsigned sbus_frame_resets = 0;
bool sbus_failsafe;
bool sbus_frame_drop;
uint16_t max_channels = sizeof(rc_values) / sizeof(rc_values[0]);
int rate_limiter = 0;
unsigned last_drop = 0;
while (EOF != (ret = fscanf(fp, "%f,%x,,", &f, &x))) {
ASSERT_GT(ret, 0);
frame[0] = x;
unsigned len = 1;
// Pipe the data into the parser
hrt_abstime now = hrt_absolute_time();
// if (rate_limiter % byte_offset == 0) {
bool result = sbus_parse(now, &frame[0], len, rc_values, &num_values,
&sbus_failsafe, &sbus_frame_drop, &sbus_frame_drops, max_channels);
if (result) {
//warnx("decoded packet");
}
// }
if (last_drop != (sbus_frame_drops + sbus_frame_resets)) {
warnx("frame dropped, now #%d", (sbus_frame_drops + sbus_frame_resets));
last_drop = sbus_frame_drops + sbus_frame_resets;
}
rate_limiter++;
}
ASSERT_EQ(ret, EOF);
}