Turn on onboard led on power on

(causes the synth to work for some reason)

CMakeLists.txt

@@ -58,6 +58,8 @@ target_include_directories(sint-gauntlet PRIVATE
  
 # Add any user requested libraries
 target_link_libraries(sint-gauntlet 
+        pico_stdlib
+        pico_cyw43_arch_none
         hardware_pio
         hardware_interp
         hardware_timer

main.c

@@ -1,11 +1,13 @@
-#include <hardware/sync.h>
+#include "pico/cyw43_arch.h"
+#include <arm_acle.h>
 #include <hardware/irq.h>
+#include <hardware/sync.h>
 #include <pico/stdio.h>
 #include <pico/time.h>
-#include <stdnoreturn.h>
-#include <sys/types.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <stdnoreturn.h>
+#include <sys/types.h>
 
 #include "hardware/gpio.h"
 #include "hardware/pwm.h"
@@ -114,6 +116,10 @@ noreturn void core0_loop(void) {
 
 int main() {
   stdio_init_all();
+  if (cyw43_arch_init())
+    return -1;
+  
+  cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1); // sign of life
 
   core1_init();
   core0_init();