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Add more randomness

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VeyPatch 2024-12-24 22:04:21 +01:00
commit 29a6cb62ec
1 changed files with 11 additions and 2 deletions
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13
users/halcyon_modules/hlc_tft_display/hlc_tft_display.c
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@ -5,7 +5,7 @@
#include "hlc_tft_display.h"
#include "qp_surface.h"
#include <time.h>
#include "hardware/structs/rosc.h"
// Fonts mono2
#include "graphics/fonts/Retron2000-27.qff.h"
@ -54,6 +54,15 @@ bool grid[GRID_HEIGHT][GRID_WIDTH]; // Current state
bool new_grid[GRID_HEIGHT][GRID_WIDTH]; // Next state
bool changed_grid[GRID_HEIGHT][GRID_WIDTH]; // Tracks changed cells
uint32_t get_random_32bit(void) {
uint32_t random_value = 0;
for (int i = 0; i < 32; i++) {
wait_ms(1);
random_value = (random_value << 1) | (rosc_hw->randombit & 1);
}
return random_value;
}
void init_grid() {
// Initialize grid with alive cells
for (int y = 0; y < GRID_HEIGHT; y++) {
@ -284,7 +293,7 @@ bool display_module_housekeeping_task_kb(bool second_display) {
static uint32_t previous_matrix_activity_time = 0;
if(!second_display_set) {
srand(time(NULL));
srand(get_random_32bit());
init_grid();
color_value = rand() % 8;
second_display_set = true;