Diff: targets/hal/TARGET_WIZNET/TARGET_W7500x/W7500x_Peripheral_Library/W7500x_exti.c

Revision:

619:034e698bc035

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_WIZNET/TARGET_W7500x/W7500x_Peripheral_Library/W7500x_exti.c	Fri Sep 04 09:30:10 2015 +0100
@@ -0,0 +1,158 @@
+#include "W7500x.h"
+#include "W7500x_exti.h"
+#include "W7500x_gpio.h"
+
+
+/**
+  * @brief  Deinitializes the EXTI peripheral registers to their default reset values.
+  * @param  None
+  * @retval None
+  */
+void EXTI_DeInit(void)
+{
+    uint32_t i, loop =16;
+    for(i=0; i<loop; i++)
+    {
+        EXTI_PA->Port[i] = 0x00;
+        EXTI_PB->Port[i] = 0x00;
+        EXTI_PC->Port[i] = 0x00;
+    }
+    for(i=0; i<5; i++)
+    {
+        EXTI_PD->Port[i] = 0x00;
+    }
+}
+
+/**
+  * @brief  Initializes the EXTI peripheral according to the specified
+  *         parameters in the EXTI_InitStruct.
+  * @param  EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure
+  *         that contains the configuration information for the EXTI peripheral.
+  * @retval None
+  */
+void EXTI_Init(PAD_Type Px, EXTI_InitTypeDef* EXTI_InitStruct)
+{
+    uint32_t pinpos = 0x00, pos = 0x00, currentpin = 0x00, loop = 16;
+    P_Port_Def *px_exti;
+
+    assert_param(IS_PAD_TYPE(Px));
+
+    if      (Px == PAD_PA)        px_exti  = EXTI_PA;
+    else if (Px == PAD_PB)        px_exti  = EXTI_PB;
+    else if (Px == PAD_PC)        px_exti  = EXTI_PC;
+    else
+    {        
+        px_exti  = (P_Port_Def*)EXTI_PD;
+        loop = 5;
+    }
+
+    for(pinpos = 0x00; pinpos < loop; pinpos++)
+    {
+        pos = ((uint32_t)0x01) << pinpos;
+
+        currentpin = (EXTI_InitStruct->EXTI_Line) & pos;
+        if(currentpin == pos)
+        {   
+            px_exti->Port[pinpos] |= EXTI_Px_INTEN_ENABLE;
+
+            if(EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising)
+                px_exti->Port[pinpos] |=  EXTI_Px_INTPOR_RISING_EDGE;
+            else
+                px_exti->Port[pinpos] |= EXTI_Px_INTPOR_FALLING_EDGE;
+        }
+    }
+
+}
+
+void EXTI_Polarity_Set(PAD_Type Px, uint16_t GPIO_Pin, uint16_t Polarity )
+{
+    uint32_t pinpos = 0x00, pos = 0x00, currentpin = 0x00, loop = 16;
+    P_Port_Def *px_exti;
+
+    assert_param(IS_PAD_TYPE(Px));
+
+    if      (Px == PAD_PA)        px_exti  = EXTI_PA;
+    else if (Px == PAD_PB)        px_exti  = EXTI_PB;
+    else if (Px == PAD_PC)        px_exti  = EXTI_PC;
+    else
+    {        
+        px_exti  = (P_Port_Def*)EXTI_PD;
+        loop = 5;
+    }
+
+    for(pinpos = 0x00; pinpos < loop; pinpos++)
+    {
+        pos = ((uint32_t)0x01) << pinpos;
+
+        currentpin = GPIO_Pin & pos;
+        if(currentpin == pos)
+        {   
+            if(Polarity == EXTI_Trigger_Rising)
+                px_exti->Port[pinpos] |= EXTI_Px_INTPOR_RISING_EDGE;
+            else
+                px_exti->Port[pinpos] |= EXTI_Px_INTPOR_FALLING_EDGE;
+        }
+    }
+
+}
+
+/**
+  * @brief  Fills each EXTI_InitStruct member with its reset value.
+  * @param  EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure which will
+  *         be initialized.
+  * @retval None
+  */
+void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct)
+{
+  EXTI_InitStruct->EXTI_Line = 0xFF;
+  EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt;
+  EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling;
+}
+
+uint16_t EXTI_Px_GetEXTEN(PAD_Type Px)
+{
+    uint32_t i, loop = 16;
+	  uint16_t ret=0;
+    P_Port_Def *px_exti;
+
+    assert_param(IS_PAD_TYPE(Px));
+
+    if      (Px == PAD_PA)        px_exti  = EXTI_PA;
+    else if (Px == PAD_PB)        px_exti  = EXTI_PB;
+    else if (Px == PAD_PC)        px_exti  = EXTI_PC;
+    else
+    {        
+        px_exti  = (P_Port_Def*)EXTI_PD;
+        loop = 5;
+    }
+
+    for(i = 0x00; i < loop; i++)
+    {
+             ret |= (((px_exti->Port[i]&0x2)>>1)<<i);
+		}
+		return ret;
+}
+
+uint16_t EXTI_Px_GetEXTINTPOL(PAD_Type Px)
+{
+    uint32_t i, loop = 16;
+	uint16_t ret=0;
+    P_Port_Def *px_exti;
+
+    assert_param(IS_PAD_TYPE(Px));
+
+    if      (Px == PAD_PA)        px_exti  = EXTI_PA;
+    else if (Px == PAD_PB)        px_exti  = EXTI_PB;
+    else if (Px == PAD_PC)        px_exti  = EXTI_PC;
+    else
+    {        
+        px_exti  = (P_Port_Def*)EXTI_PD;
+        loop = 5;
+    }
+
+    for(i = 0x00; i < loop; i++)
+    {
+             ret |= ((px_exti->Port[i]&0x1)<<i);
+		}
+		return ret;
+}