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Soundboard uses common lfsr rand()

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furrtek 2016-09-23 12:20:36 +02:00
parent d8a0b9c2de
commit 8c0ff7f9c0
4 changed files with 9 additions and 17 deletions
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23
firmware/application/ui_soundboard.cpp
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@ -27,15 +27,16 @@
#include "ch.h"
#include "file.hpp"
#include "lfsr_random.hpp"
#include "ui_alphanum.hpp"
#include "ff.h"
#include "hackrf_gpio.hpp"
//#include "ff.h"
//#include "hackrf_gpio.hpp"
#include "portapack.hpp"
#include "radio.hpp"
#include "event_m0.hpp"
//#include "radio.hpp"
//#include "event_m0.hpp"
#include "string_format.hpp"
#include "hackrf_hal.hpp"
//#include "hackrf_hal.hpp"
#include "portapack_shared_memory.hpp"
#include <cstring>
@ -45,20 +46,12 @@ using namespace portapack;
namespace ui {
uint16_t SoundBoardView::shitty_rand() {
uint8_t bit;
bit = ((lfsr >> 0) ^ (lfsr >> 2) ^ (lfsr >> 3) ^ (lfsr >> 5) ) & 1;
return lfsr = (lfsr >> 1) | (bit << 15);
}
void SoundBoardView::do_random() {
uint16_t id;
chThdSleepMilliseconds(300); // 100ms
chThdSleepMilliseconds(300); // 300ms
id = shitty_rand() % max_sound;
id = lfsr_iterate(lfsr_v) % max_sound;
play_sound(id);