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Code Issues Releases Activity

Update event_gpio.c

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allow passing data arguments to c callbacks
This commit is contained in:
fabien-gigante
2016-08-26 16:05:25 +02:00
committed by GitHub
parent 12bc9dec67
commit d95847eb5a
1 changed files with 5 additions and 3 deletions
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8
source/event_gpio.c
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@ -66,7 +66,8 @@ struct callback
int fde; int fde;
int gpio; int gpio;
int edge; int edge;
void (*func)(int gpio); void* data;
void (*func)(int gpio, void* data);
struct callback *next; struct callback *next;
}; };
struct callback *callbacks = NULL; struct callback *callbacks = NULL;
@ -549,7 +550,7 @@ void exports_cleanup(void)
gpio_unexport(exported_gpios->gpio); gpio_unexport(exported_gpios->gpio);
} }
int add_edge_callback(int gpio, int edge, void (*func)(int gpio)) int add_edge_callback(int gpio, int edge, void (*func)(int gpio, void* data), void* data)
{ {
struct callback *cb = callbacks; struct callback *cb = callbacks;
struct callback *new_cb; struct callback *new_cb;
@ -559,6 +560,7 @@ int add_edge_callback(int gpio, int edge, void (*func)(int gpio))
new_cb->fde = open_edge_file(gpio); new_cb->fde = open_edge_file(gpio);
new_cb->gpio = gpio; new_cb->gpio = gpio;
new_cb->edge = edge; new_cb->edge = edge;
new_cb->data = data;
new_cb->func = func; new_cb->func = func;
new_cb->next = NULL; new_cb->next = NULL;
@ -602,7 +604,7 @@ void run_callbacks(int gpio)
// Only run if we are allowed // Only run if we are allowed
if (canrun) if (canrun)
{ {
cb->func(cb->gpio); cb->func(cb->gpio, cb->data);
} }
} }