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README.md: even nicer example

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This commit is contained in:
Kosma Moczek 2014-04-27 17:31:54 +02:00
parent f9f9bed148
commit f872935244
1 changed files with 7 additions and 8 deletions
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README.md
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@ -54,20 +54,19 @@ The library doesn't perform this conversion automatically for the following reas
```c
char line[MINMEA_MAX_LENGTH];
while (fgets(line, sizeof(line), stdin) != NULL) {
printf("%s", line);
switch (minmea_sentence_id(line)) {
case MINMEA_SENTENCE_RMC: {
struct minmea_sentence_rmc frame;
if (minmea_parse_rmc(&frame, line)) {
printf("$xxRMC: raw coordinates and speed: (%d/%d,%d/%d) %d/%d\n",
printf("$RMC: raw coordinates and speed: (%d/%d,%d/%d) %d/%d\n",
frame.latitude.value, frame.latitude.scale,
frame.longitude.value, frame.longitude.scale,
frame.speed.value, frame.speed.scale);
printf("$xxRMC fixed-point coordinates and speed scaled to three decimal places: (%d,%d) %d\n",
printf("$RMC fixed-point coordinates and speed scaled to three decimal places: (%d,%d) %d\n",
minmea_rescale(&frame.latitude, 1000),
minmea_rescale(&frame.longitude, 1000),
minmea_rescale(&frame.speed, 1000));
printf("$xxRMC floating point degree coordinates and speed: (%f,%f) %f\n",
printf("$RMC floating point degree coordinates and speed: (%f,%f) %f\n",
minmea_tocoord(&frame.latitude),
minmea_tocoord(&frame.longitude),
minmea_tofloat(&frame.speed));
@ -77,17 +76,17 @@ while (fgets(line, sizeof(line), stdin) != NULL) {
case MINMEA_SENTENCE_GGA: {
struct minmea_sentence_gga frame;
if (minmea_parse_gga(&frame, line)) {
printf("$xxGGA: fix quality: %d\n", frame.fix_quality);
printf("$GGA: fix quality: %d\n", frame.fix_quality);
}
} break;
case MINMEA_SENTENCE_GSV: {
struct minmea_sentence_gsv frame;
if (minmea_parse_gsv(&frame, line)) {
printf("$xxGSV: message %d of %d\n", frame.msg_nr, frame.total_msgs);
printf("$xxGSV: sattelites in view: %d\n", frame.total_sats);
printf("$GSV: message %d of %d\n", frame.msg_nr, frame.total_msgs);
printf("$GSV: sattelites in view: %d\n", frame.total_sats);
for (int i = 0; i < 4; i++)
printf("$xxGSV: sat nr %d, elevation: %d, azimuth: %d, snr: %d dbm\n",
printf("$GSV: sat nr %d, elevation: %d, azimuth: %d, snr: %d dbm\n",
frame.sats[i].nr,
frame.sats[i].elevation,
frame.sats[i].azimuth,