95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
#include <stdio.h>
|
|
|
|
static struct tv_channels {
|
|
int channel;
|
|
double video_mhz;
|
|
double audio_mhz;
|
|
} tv_channels[] = {
|
|
{ 1, 41.25, 46.75 },
|
|
{ 2, 48.25, 53.75 },
|
|
{ 3, 55.25, 60.75 },
|
|
{ 4, 62.25, 67.75 },
|
|
{ 5, 175.25, 180.75 },
|
|
{ 6, 182.25, 187.75 },
|
|
{ 7, 189.25, 194.75 },
|
|
{ 8, 196.25, 201.75 },
|
|
{ 9, 203.25, 208.75 },
|
|
{ 10, 210.25, 215.75 },
|
|
{ 11, 217.25, 222.75 },
|
|
{ 12, 224.25, 229.75 },
|
|
{ 21, 471.25, 476.75 },
|
|
{ 22, 479.25, 484.75 },
|
|
{ 23, 487.25, 492.75 },
|
|
{ 24, 495.25, 500.75 },
|
|
{ 25, 503.25, 508.75 },
|
|
{ 26, 511.25, 516.75 },
|
|
{ 27, 519.25, 524.75 },
|
|
{ 28, 527.25, 532.75 },
|
|
{ 29, 535.25, 540.75 },
|
|
{ 30, 543.25, 548.75 },
|
|
{ 31, 551.25, 556.75 },
|
|
{ 32, 559.25, 564.75 },
|
|
{ 33, 567.25, 572.75 },
|
|
{ 34, 575.25, 580.75 },
|
|
{ 35, 583.25, 588.75 },
|
|
{ 36, 591.25, 596.75 },
|
|
{ 37, 599.25, 604.75 },
|
|
{ 38, 607.25, 612.75 },
|
|
{ 39, 615.25, 620.75 },
|
|
{ 40, 623.25, 628.75 },
|
|
{ 41, 631.25, 636.75 },
|
|
{ 42, 639.25, 644.75 },
|
|
{ 43, 647.25, 652.75 },
|
|
{ 44, 655.25, 660.75 },
|
|
{ 45, 663.25, 668.75 },
|
|
{ 46, 671.25, 676.75 },
|
|
{ 47, 679.25, 684.75 },
|
|
{ 48, 687.25, 692.75 },
|
|
{ 49, 695.25, 700.75 },
|
|
{ 50, 703.25, 708.75 },
|
|
{ 51, 711.25, 716.75 },
|
|
{ 52, 719.25, 724.75 },
|
|
{ 53, 727.25, 732.75 },
|
|
{ 54, 735.25, 740.75 },
|
|
{ 55, 743.25, 748.75 },
|
|
{ 56, 751.25, 756.75 },
|
|
{ 57, 759.25, 764.75 },
|
|
{ 58, 767.25, 772.75 },
|
|
{ 59, 775.25, 780.75 },
|
|
{ 60, 783.25, 788.75 },
|
|
{ 61, 791.25, 796.75 },
|
|
{ 62, 799.25, 804.75 },
|
|
{ 63, 807.25, 812.75 },
|
|
{ 64, 815.25, 820.75 },
|
|
{ 65, 823.25, 828.75 },
|
|
{ 66, 831.25, 836.75 },
|
|
{ 67, 839.25, 844.75 },
|
|
{ 68, 847.25, 852.75 },
|
|
{ 69, 855.25, 860.75 },
|
|
{ 0, 0, 0, }
|
|
};
|
|
|
|
double get_tv_video_frequency(int channel)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; tv_channels[i].channel; i++) {
|
|
if (tv_channels[i].channel == channel)
|
|
return tv_channels[i].video_mhz * 1e6;
|
|
}
|
|
|
|
return 0.0;
|
|
}
|
|
|
|
void list_tv_channels(void)
|
|
{
|
|
int i;
|
|
|
|
printf("List of TV channels in MHz:\n\n");
|
|
printf("Channel Video Audio\n");
|
|
printf("------------------------\n");
|
|
for (i = 0; tv_channels[i].channel; i++) {
|
|
printf("%d\t%.2f\t%.2f\n", tv_channels[i].channel, tv_channels[i].video_mhz, tv_channels[i].audio_mhz);
|
|
}
|
|
}
|