[riot-notifications] [RIOT-OS/RIOT] periph/gpio: add gpio_set_cb() function (#12082)

benpicco notifications at github.com
Tue Sep 17 14:31:04 CEST 2019


benpicco commented on this pull request.



> @@ -416,6 +416,25 @@ int gpio_init_int(gpio_t pin, gpio_mode_t mode, gpio_flank_t flank,
     return 0;
 }
 
+int gpio_set_cb(gpio_t pin, gpio_cb_t cb, void *arg)
+{
+    int8_t int_num = _int_num(pin);
+
+    if (int_num < 0) {
+        return -1;
+    }
+
+    if (cb) {
+        config[int_num].cb = cb;
+    }
+
+    if (arg) {
+        config[int_num].arg = arg;
+    }

c)

```C
int gpio_update_cb(gpio_t pin, gpio_cb_t cb);
int gpio_update_cb_arg(gpio_t pin, void *arg);
```

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