girouette finished. To merge with encoder.

keil_project/Services/IncrEncoder.c

@@ -5,29 +5,66 @@
 
 int index_passed = 0;
 
-void init(void){
+void INCR_ENCODER_Init(void){
 // use timer in encoder mode (14.3.16)
 	// attach interrupt to pa5 for i
 	// enable gpio clock
 	// configure pin
 	// attach interrupt?
 	LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
+	LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_AFIO);
+
+	
+	LL_GPIO_InitTypeDef index_pin_conf, a_pin_conf, b_pin_conf;
 	
-	LL_GPIO_InitTypeDef index_pin_conf;
-	index_pin_conf.Mode = LL_GPIO_MODE_FLOATING;
 	index_pin_conf.Pin = LL_GPIO_PIN_5;
+	index_pin_conf.Mode = LL_GPIO_MODE_FLOATING;
+	
+	a_pin_conf.Pin = LL_GPIO_PIN_6;
+	a_pin_conf.Mode = LL_GPIO_MODE_FLOATING;
+
+	
+	b_pin_conf.Pin = LL_GPIO_PIN_7;
+	b_pin_conf.Mode = LL_GPIO_MODE_FLOATING;
+
+	
 	LL_GPIO_Init(GPIOC, &index_pin_conf);
+	LL_GPIO_Init(GPIOC, &a_pin_conf);
+	LL_GPIO_Init(GPIOC, &b_pin_conf);
+	
+	
+	LL_EXTI_InitTypeDef exti;
+	
+	exti.Line_0_31 = LL_EXTI_LINE_5;
+	exti.LineCommand = ENABLE;
+	exti.Mode = LL_EXTI_MODE_IT;
+	exti.Trigger = LL_EXTI_TRIGGER_RISING;
+	
+	LL_EXTI_Init(&exti);
+	
+	LL_GPIO_AF_SetEXTISource(LL_GPIO_AF_EXTI_PORTA, LL_GPIO_AF_EXTI_LINE5);
 
 	NVIC_SetPriority(EXTI9_5_IRQn, 12); // prio??
 	NVIC_EnableIRQ(EXTI9_5_IRQn);
 	
+	//TIMER HERE
 }
 
 void EXTI9_5_IRQHandler(void){
 	index_passed = 1;
-	// TODO clear pending
+	//Set cnt to 0
+	
+	// clear pending (EXTI necessary ?)
+	LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_5);
+	NVIC_ClearPendingIRQ(EXTI9_5_IRQn);
 }
 
-int isAbsolute(void);
+int INCR_ENCODER_IsAbsolute(void)
+{
+	return index_passed;
+};
 
-int getAngle(void);
+int INCR_ENCODER_GetAngle(void)
+{
+	//TODO return cnt or fct(cnt)
+};

keil_project/Services/IncrEncoder.h

@@ -2,10 +2,10 @@
 
 /**
   */
-void init(void);
+void INCR_ENCODER_Init(void);
 
-int isAbsolute(void);
+int INCR_ENCODER_IsAbsolute(void);
 
-int getAngle(void);
+int INCR_ENCODER_GetAngle(void);
 
 #endif

keil_project/Src/main.c

@@ -21,6 +21,7 @@
 #include "stm32f1xx_ll_system.h" // utile dans la fonction SystemClock_Config
 
 #include "Chrono.h"
+#include "IncrEncoder.h"
 
 void  SystemClock_Config(void);
 
@@ -50,17 +51,17 @@ int main(void)
 	
   /* Add your application code here */
   // Configuration chronomètre
-	Chrono_Conf(TIM3);
-	
-	// Lancement chronomètre
-	Chrono_Start(); 
-	
+//	Chrono_Conf(TIM3);
+//	
+//	// Lancement chronomètre
+//	Chrono_Start(); 
 	
+	INCR_ENCODER_Init();
   
   /* Infinite loop */
   while (1)
   {
-		Chrono_Background();
+		//Chrono_Background();
   }
 }