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-rw-r--r--libmaple/gpio.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libmaple/gpio.h b/libmaple/gpio.h
index ac8af5b..a44047e 100644
--- a/libmaple/gpio.h
+++ b/libmaple/gpio.h
@@ -93,6 +93,10 @@ static inline void gpio_write_bit(GPIO_Port *port, uint8 gpio_pin, uint8 val) {
}
}
+static inline uint32 gpio_read_bit(GPIO_Port *port, uint8 gpio_pin) {
+ return (port->IDR & BIT(gpio_pin) ? 1 : 0);
+}
+
#ifdef __cplusplus
} // extern "C"
#endif