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Code Issues Projects Releases Wiki Activity

backport of Issue: Pinology #808

pull/1118/head
Dmitry Bogdanov 2015-05-08 20:21:14 +04:00
parent 6d0c61a6ad
commit fa21094284
2 changed files with 7 additions and 0 deletions
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3
libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC2460/gpio_api.c
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@ -29,6 +29,9 @@ void gpio_init(gpio_t *obj, PinName pin) {
if (pin == (PinName)NC) if (pin == (PinName)NC)
return; return;
obj->pin = pin; obj->pin = pin;
if (pin == (PinName)NC)
return;
obj->mask = gpio_set(pin); obj->mask = gpio_set(pin);
LPC_GPIO_TypeDef *port_reg = (LPC_GPIO_TypeDef *) ((int)pin & ~0x1F); LPC_GPIO_TypeDef *port_reg = (LPC_GPIO_TypeDef *) ((int)pin & ~0x1F);

4
libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC2460/gpio_object.h
View File

@ -48,6 +48,10 @@ static inline int gpio_read(gpio_t *obj) {
return ((*obj->reg_in & obj->mask) ? 1 : 0); return ((*obj->reg_in & obj->mask) ? 1 : 0);
} }
static inline int gpio_is_connected(const gpio_t *obj) {
return obj->pin != (PinName)NC;
}
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif