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gpio_utils.h: add helpers for dt node -> port pin mask

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This captures a common pattern.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
This commit is contained in:
Martí Bolívar 2020-04-03 15:44:09 -07:00 • committed by Kumar Gala
commit 46f47a63ba
1 changed files with 6 additions and 0 deletions
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6
drivers/gpio/gpio_utils.h
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@ -14,6 +14,12 @@
#define GPIO_PORT_PIN_MASK_FROM_NGPIOS(ngpios) \
((gpio_port_pins_t)(((u64_t)1 << (ngpios)) - 1U))
#define GPIO_PORT_PIN_MASK_FROM_DT_NODE(node_id) \
GPIO_PORT_PIN_MASK_FROM_NGPIOS(DT_PROP(node_id, ngpios))
#define GPIO_PORT_PIN_MASK_FROM_DT_INST(inst) \
GPIO_PORT_PIN_MASK_FROM_NGPIOS(DT_INST_PROP(inst, ngpios))
/**
* @brief Generic function to insert or remove a callback from a callback list
*