From: Nathael Pajani <nathael.pajani@ed3l.fr>
Date: Tue, 26 Apr 2016 23:00:19 +0000 (+0200)
Subject: Add gpio_read() helper
X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=eee75bcadeb0c64583df34c7eaf7e43589bc357a;p=soft%2Flpc122x%2Fcore

Add gpio_read() helper
---

diff --git a/include/drivers/gpio.h b/include/drivers/gpio.h
index 777284d..86bb8bb 100644
--- a/include/drivers/gpio.h
+++ b/include/drivers/gpio.h
@@ -99,6 +99,12 @@ void gpio_off(void);
 	gpio_port->toggle = (1 << gpio.pin);\
 }
 
+static inline uint32_t gpio_read(const struct pio gpio)
+{
+	struct lpc_gpio* gpio_port = LPC_GPIO_REGS(gpio.port);
+	return (gpio_port->in & (1 << gpio.pin));
+}
+
 
 /* GPIO Configuration
  * This function calls the config_pio() function for the gpio with the given