Transfer gpio driver into c++

src/application/blinky/main.cc

@@ -1,24 +1,14 @@
-extern "C" {
-    #include <stdbool.h>
-    #include <stdint.h>
+#include "delay.h"
+#include "platform/gpio.h"
 
-    #include "delay.h"
-    #include "board.h"
-}
+using namespace hal;
 
 int main(void)
 {
-    unsigned int cnt[4] = {0, 0, 0, 0};
-    const struct driver *leds[4] = {&led_1, &led_2, &led_3, &led_4};
-    for(unsigned int i = 0; i < 4; i++) {
-        drv_open(leds[i]);
-    }
+    Gpio led_1(17);
     while(true) {
-        for(unsigned int i = 0; i < 4; i++) {
-            char c = (cnt[i]++ % 2) + 0x30;
-            drv_write(leds[i], &c, 1);
-            delay_ms(500);
-        }
+        delay_ms(200);
+        led_1.toggle();
     }
     return 0;
 }