From: Nathael Pajani <nathael.pajani@ed3l.fr>
Date: Tue, 26 Apr 2016 22:56:47 +0000 (+0200)
Subject: Fix setup on interupts on GPIO
X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=c1d7a4c06cf440acd7298971183db765fcde95df;p=soft%2Flpc122x%2Fcore

Fix setup on interupts on GPIO
---

diff --git a/drivers/gpio.c b/drivers/gpio.c
index be02053..0773efb 100644
--- a/drivers/gpio.c
+++ b/drivers/gpio.c
@@ -145,6 +145,9 @@ int set_gpio_callback(void (*callback) (uint32_t), const struct pio* gpio, uint8
 		default: /* Not handled, do not activate the interrupt */
 			return -EINVAL;
 	}
+	/* Clear edge detection logic */
+	gpio_port->int_clear |= (1 << gpio->pin);
+	/* Enable interrupt */
 	gpio_port->int_enable |= (1 << gpio->pin);
 	NVIC_EnableIRQ(irq);
 	return 0;