From 245b9238e92383540301d399db0196384e83aede Mon Sep 17 00:00:00 2001
From: Steins7 <steinsset@gmail.com>
Date: Sat, 13 May 2023 15:42:59 +0200
Subject: [PATCH] Finish exti's implementation

---
 drivers/exti.c | 13 ++++++++-----
 drivers/exti.h |  4 ++--
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/exti.c b/drivers/exti.c
index 3556864..4f518e1 100644
--- a/drivers/exti.c
+++ b/drivers/exti.c
@@ -11,6 +11,7 @@
 #include "exti_regs.h"
 
 #include "nvic.h"
+#include "afio.h"
 
 
 //--local definitions-----------------------------------------------------------
@@ -28,7 +29,7 @@ void exti_configure(enum ExtiLine line_mask, enum GpioPort port,
 {
 	exti_reset(line_mask);
 
-#warning "configure ports mapping"
+	afio_map_exti(line_mask, port);
 
 	//configure edge detections
 	if (config_mask & EXTI_CONFIG_RISING_EDGE) {
@@ -83,15 +84,17 @@ void exti_reset(enum ExtiLine line_mask)
 	//disable interrupts lines in nvic
 	for (uint8_t i = 0; i < 5; ++i) {
 		if (line_mask & (0x1 << i)) {
-			nvic_enable(NVIC_IRQ_EXTI0 + i);
+			nvic_disable(NVIC_IRQ_EXTI0 + i);
 		}
 	}
 	if (line_mask & 0x3e0) {
-		nvic_enable(NVIC_IRQ_EXTI9_5);
+		nvic_disable(NVIC_IRQ_EXTI9_5);
 	}
 	if (line_mask & 0x7c00) {
-		nvic_enable(NVIC_IRQ_EXTI15_10);
+		nvic_disable(NVIC_IRQ_EXTI15_10);
 	}
+
+	afio_map_exti(0xFFFF, 0x0);
 }
 
 void exti_configure_specific(enum ExtiLineSpecific line_mask,
@@ -180,7 +183,7 @@ void exti_reset_peripheral(void)
 	nvic_disable(NVIC_IRQ_RTC_ALARM);
 	nvic_disable(NVIC_IRQ_USB_WAKEUP);
 
-#warning "reset afio lines"
+	afio_map_exti(0xFFFF, 0x0);
 }
 
 //--local functions-------------------------------------------------------------
diff --git a/drivers/exti.h b/drivers/exti.h
index f942c20..d2c5089 100644
--- a/drivers/exti.h
+++ b/drivers/exti.h
@@ -54,8 +54,8 @@ enum ExtiLineSpecific {
  * regular and specific lines and can be used together on a single line
  */
 enum ExtiConfig {
-	EXTI_CONFIG_RISING_EDGE,
-	EXTI_CONFIG_FALLING_EDGE,
+	EXTI_CONFIG_RISING_EDGE  = (0x1 << 0),
+	EXTI_CONFIG_FALLING_EDGE = (0x1 << 1),
 };
 
 typedef void (*ExtiCallback)(void);