Update demo app for new GPIO

chipsalliance · Mar 9, 2020 · bbfc899 · bbfc899
1 parent c4921bc
commit bbfc899
Showing 1 changed file with 11 additions and 4 deletions.
diff --git a/sw/swervolf_zephyr_demo/src/main.c b/sw/swervolf_zephyr_demo/src/main.c
@@ -42,10 +42,17 @@ void main(void)
 
   printk("Now proceeding to blink the LED\n");
 
+  u16_t leds = 1;
+  u16_t gpio_old = sys_read16(0x80001012);
+  u16_t gpio_new = sys_read16(0x80001012);
   while (1) {
-    sys_write8(1, 0x80001010);
-    k_sleep(1000);
-    sys_write8(0, 0x80001010);
-    k_sleep(1000);
+    sys_write16(leds, 0x80001010);
+    leds = (leds << 1) | (leds >> 15);
+    gpio_new = sys_read16(0x80001012);
+    if (gpio_old != gpio_new) {
+      printk("GPIO is now %04x\n", gpio_new);
+      gpio_old = gpio_new;
+    }
+    k_sleep(100);
   }
 }