log via usb

CMakeLists.txt

@@ -34,11 +34,14 @@ project(blink C CXX ASM)
 pico_sdk_init()
 
 # Add executable. Default name is the project name, version 0.1
-
 add_executable(blink
     blink.c
     )
 
+# Modify the below lines to enable/disable output over UART/USB
+pico_enable_stdio_uart(blink 0)
+pico_enable_stdio_usb(blink 1)
+
 add_library(zig_library STATIC IMPORTED)
 set_property(TARGET zig_library PROPERTY IMPORTED_LOCATION ../zig-out/lib/libpicow_zig.a)
 

blink.c

@@ -5,6 +5,7 @@
  */
 
 #include "pico/stdlib.h"
+#include <pico/time.h>
 #include <stdio.h>
 #include <stdint.h>
 
@@ -47,8 +48,18 @@ extern int32_t add(int32_t a, int32_t b);
 
 int main() {
     stdio_init_all();
-    printf("result from zig : %d\n", add(10, 31));
-    return 0;
+
+    // Initialise the Wi-Fi chip
+    if (cyw43_arch_init()) {
+        printf("Wi-Fi init failed\n");
+        return -1;
+    }
+
+    while (true) {
+        printf("result from zig : %d\n", add(10, 31));
+        sleep_ms(1000);
+    }
+    
     // int rc = pico_led_init();
     // hard_assert(rc == PICO_OK);
     // while (true) {