Add randomness to the example

mryndzionek · Jul 9, 2023 · 0fa455b · 0fa455b
1 parent f7b4f4f
commit 0fa455b
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/rp2040/CMakeLists.txt b/rp2040/CMakeLists.txt
@@ -19,6 +19,7 @@ add_executable(chimes
 target_link_libraries(chimes
         pico_multicore
         pico_stdlib
+        pico_rand
         hardware_dma
         hardware_pio
         hardware_timer

diff --git a/rp2040/main.c b/rp2040/main.c
@@ -7,6 +7,7 @@
 #include "pico/util/queue.h"
 #include "pico/multicore.h"
 #include "pico/sem.h"
+#include "pico/rand.h"
 
 #include "hardware/irq.h"
 #include "hardware/pwm.h"
@@ -61,6 +62,7 @@ static void core1_entry()
             sample = chime_update(chime);
             if (chime_is_finished(chime))
             {
+                srand(get_rand_32());
                 chime = chime_init();
             }
             outputBuffer[n][i] = (sample + 1.0) * 80;
@@ -76,7 +78,7 @@ int main()
 {
     uint16_t *data;
 
-    srand(time(NULL));
+    srand(get_rand_32());
     set_sys_clock_khz(FCPU / 1000, true);
 
     queue_init(&results_queue, sizeof(uint16_t *), 1);