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Added basic speed limiter

master
Mark 2022-07-08 19:07:46 -07:00
parent afecfe5890
commit 50dfd244e7
Signed by: Mark
GPG Key ID: AD62BB059C2AAEE4
1 changed files with 30 additions and 14 deletions
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16
src/main.cpp
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@ -5,6 +5,9 @@
// For reading FIFO // For reading FIFO
#include <fcntl.h> #include <fcntl.h>
#include <unistd.h> #include <unistd.h>
// For sleep
#include <chrono>
#include <thread>
// Local files // Local files
#include "utility/bitmap.hpp" #include "utility/bitmap.hpp"
@ -78,9 +81,19 @@ int main(int argc, char *argv[]) {
Dox.connect_loop(); Dox.connect_loop();
// Frame rate limiter
std::chrono::time_point<
std::chrono::steady_clock,
std::chrono::nanoseconds
> t = std::chrono::steady_clock::now();
//t += std::chrono::milliseconds(30);
//this_thread::sleep_until(t);
while (1) { while (1) {
if (Dox.is_connected()) { if (Dox.is_connected()) {
if (std::chrono::steady_clock::now() > t + std::chrono::milliseconds(30)) {
if (Dox.get_animation_mode() == 0x02) { if (Dox.get_animation_mode() == 0x02) {
buf.update(); buf.update();
fft.update(buf); fft.update(buf);
@ -101,6 +114,9 @@ int main(int argc, char *argv[]) {
Dox.write(CMD_ANIM_DATA, hid_buf, Dox.packet_size); Dox.write(CMD_ANIM_DATA, hid_buf, Dox.packet_size);
t = std::chrono::steady_clock::now();
}
// Dox.write might detect that we've been disconnected, // Dox.write might detect that we've been disconnected,
// and Dox.read will fail if we are. // and Dox.read will fail if we are.
// This check prevents it from doing that, and instead jumps to reconnect. // This check prevents it from doing that, and instead jumps to reconnect.