void temp_convert_range(float start_temp, float end_temp, float step) {
float next_temp = start_temp + step;
printf("%12.2f => %12.2f\n", start_temp, temp_convert(start_temp));
if (next_temp <= end_temp) {
temp_convert_range(next_temp, end_temp, step);
}
}
int celsius_to_fahr(){
float fahr, celsius;
int lower, upper, step;
lower = 0;
upper = 300;
step = 20;
celsius = lower;
printf("Celsius-Fahrenheit table:\n\n");
while (celsius <= upper){
printf("%3.0f %6.1f\n", celsius, temp_convert(celsius));
celsius = celsius + step;
}
return 0;
}
int main(int argc, char **argv)
{
FILE *bin, *yaml;
if(argc < 2) {
fprintf(stderr, "Usage: %s <binfile>\n", argv[0]);
return -1;
}
bin = fopen(argv[1], "rb");
if(!bin) {
fprintf(stderr, "Unable to open file: %s\n", argv[1]);
return -1;
}
char *filename = strdup(argv[1]);
int len = strlen(filename);
strcpy(filename + len - 3, "yml");
yaml = fopen(filename, "w");
if(!yaml) {
fprintf(stderr, "unable to open yaml file '%s' for writing, using \n", argv[2]);
yaml = stdout;
return -1;
}
/* print the YAML metadata header */
fputs("metadata:\n", yaml);
fputs(INDENT, yaml); fputs("team_number: 3\n", yaml);
fputs("\n", yaml);
fputs("samples:\n", yaml);
do {
uint32_t index, time, date;
uint16_t accel[3], temp;
float lat, lng;
int count = 0;
// 0 0
count += fread(&index, 4, 1, bin); // 1 1
count += fread(&time, 4, 1, bin); // 1 2
count += fread(&date, 4, 1, bin); // 1 3
count += fread(&accel, 2, 3, bin); // 3 6
count += fread(&lat, 4, 1, bin); // 1 7
count += fread(&lng, 4, 1, bin); // 1 8
count += fread(&temp, 2, 1, bin); // 1 9
if(count == 9) { // all items read successfully
// these are always generated
fputs(INDENT, yaml); fprintf(yaml, "- temperature: %d\n", temp_convert(temp));
fputs(INDENT, yaml); accel_print(yaml, accel);
/* if the high bit is set then we had a fix, so lat
* and long coordinates should be generated
*/
if(index & (1 << 31)) { // fix flag set
fputs(INDENT, yaml); time_print(yaml, time, date);
fputs(INDENT, yaml); fprintf(yaml, " latitude: %f\n", gps_correct(lat));
fputs(INDENT, yaml); fprintf(yaml, " longitude: %f\n", gps_correct(lng));
}
fputs("\n", yaml);
} else {
if(feof(bin)) {
break;
}
fprintf(stderr, "Error reading file: %s", argv[1]);
return -1;
}
} while( !feof(bin) && !ferror(bin));
fclose(yaml);
fclose(bin);
return 0;
}
main()
{
temp_convert(0, 300, 20);
return 0;
}
