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targets/hal/TARGET_WIZNET/TARGET_W7500x/W7500x_Peripheral_Library/W7500x_exti.c@636:a11c0372f0ba, 2015-09-30 (annotated)

Committer:
mbed_official
Date:
Wed Sep 30 17:00:09 2015 +0100
Revision:
636:a11c0372f0ba
Parent:
620:034e698bc035 
Synchronized with git revision d29c98dae61be0946ddf3a3c641c7726056f9452



Full URL: https://github.com/mbedmicro/mbed/commit/d29c98dae61be0946ddf3a3c641c7726056f9452/



Added support for SAMW25

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 620:034e698bc035 1 #include "W7500x.h"
mbed_official 620:034e698bc035 2 #include "W7500x_exti.h"
mbed_official 620:034e698bc035 3 #include "W7500x_gpio.h"
mbed_official 620:034e698bc035 4
mbed_official 620:034e698bc035 5
mbed_official 620:034e698bc035 6 /**
mbed_official 620:034e698bc035 7 * @brief Deinitializes the EXTI peripheral registers to their default reset values.
mbed_official 620:034e698bc035 8 * @param None
mbed_official 620:034e698bc035 9 * @retval None
mbed_official 620:034e698bc035 10 */
mbed_official 620:034e698bc035 11 void EXTI_DeInit(void)
mbed_official 620:034e698bc035 12 {
mbed_official 620:034e698bc035 13 uint32_t i, loop =16;
mbed_official 620:034e698bc035 14 for(i=0; i<loop; i++)
mbed_official 620:034e698bc035 15 {
mbed_official 620:034e698bc035 16 EXTI_PA->Port[i] = 0x00;
mbed_official 620:034e698bc035 17 EXTI_PB->Port[i] = 0x00;
mbed_official 620:034e698bc035 18 EXTI_PC->Port[i] = 0x00;
mbed_official 620:034e698bc035 19 }
mbed_official 620:034e698bc035 20 for(i=0; i<5; i++)
mbed_official 620:034e698bc035 21 {
mbed_official 620:034e698bc035 22 EXTI_PD->Port[i] = 0x00;
mbed_official 620:034e698bc035 23 }
mbed_official 620:034e698bc035 24 }
mbed_official 620:034e698bc035 25
mbed_official 620:034e698bc035 26 /**
mbed_official 620:034e698bc035 27 * @brief Initializes the EXTI peripheral according to the specified
mbed_official 620:034e698bc035 28 * parameters in the EXTI_InitStruct.
mbed_official 620:034e698bc035 29 * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure
mbed_official 620:034e698bc035 30 * that contains the configuration information for the EXTI peripheral.
mbed_official 620:034e698bc035 31 * @retval None
mbed_official 620:034e698bc035 32 */
mbed_official 620:034e698bc035 33 void EXTI_Init(PAD_Type Px, EXTI_InitTypeDef* EXTI_InitStruct)
mbed_official 620:034e698bc035 34 {
mbed_official 620:034e698bc035 35 uint32_t pinpos = 0x00, pos = 0x00, currentpin = 0x00, loop = 16;
mbed_official 620:034e698bc035 36 P_Port_Def *px_exti;
mbed_official 620:034e698bc035 37
mbed_official 620:034e698bc035 38 assert_param(IS_PAD_TYPE(Px));
mbed_official 620:034e698bc035 39
mbed_official 620:034e698bc035 40 if (Px == PAD_PA) px_exti = EXTI_PA;
mbed_official 620:034e698bc035 41 else if (Px == PAD_PB) px_exti = EXTI_PB;
mbed_official 620:034e698bc035 42 else if (Px == PAD_PC) px_exti = EXTI_PC;
mbed_official 620:034e698bc035 43 else
mbed_official 620:034e698bc035 44 {
mbed_official 620:034e698bc035 45 px_exti = (P_Port_Def*)EXTI_PD;
mbed_official 620:034e698bc035 46 loop = 5;
mbed_official 620:034e698bc035 47 }
mbed_official 620:034e698bc035 48
mbed_official 620:034e698bc035 49 for(pinpos = 0x00; pinpos < loop; pinpos++)
mbed_official 620:034e698bc035 50 {
mbed_official 620:034e698bc035 51 pos = ((uint32_t)0x01) << pinpos;
mbed_official 620:034e698bc035 52
mbed_official 620:034e698bc035 53 currentpin = (EXTI_InitStruct->EXTI_Line) & pos;
mbed_official 620:034e698bc035 54 if(currentpin == pos)
mbed_official 620:034e698bc035 55 {
mbed_official 620:034e698bc035 56 px_exti->Port[pinpos] |= EXTI_Px_INTEN_ENABLE;
mbed_official 620:034e698bc035 57
mbed_official 620:034e698bc035 58 if(EXTI_InitStruct->EXTI_Trigger == EXTI_Trigger_Rising)
mbed_official 620:034e698bc035 59 px_exti->Port[pinpos] |= EXTI_Px_INTPOR_RISING_EDGE;
mbed_official 620:034e698bc035 60 else
mbed_official 620:034e698bc035 61 px_exti->Port[pinpos] |= EXTI_Px_INTPOR_FALLING_EDGE;
mbed_official 620:034e698bc035 62 }
mbed_official 620:034e698bc035 63 }
mbed_official 620:034e698bc035 64
mbed_official 620:034e698bc035 65 }
mbed_official 620:034e698bc035 66
mbed_official 620:034e698bc035 67 void EXTI_Polarity_Set(PAD_Type Px, uint16_t GPIO_Pin, uint16_t Polarity )
mbed_official 620:034e698bc035 68 {
mbed_official 620:034e698bc035 69 uint32_t pinpos = 0x00, pos = 0x00, currentpin = 0x00, loop = 16;
mbed_official 620:034e698bc035 70 P_Port_Def *px_exti;
mbed_official 620:034e698bc035 71
mbed_official 620:034e698bc035 72 assert_param(IS_PAD_TYPE(Px));
mbed_official 620:034e698bc035 73
mbed_official 620:034e698bc035 74 if (Px == PAD_PA) px_exti = EXTI_PA;
mbed_official 620:034e698bc035 75 else if (Px == PAD_PB) px_exti = EXTI_PB;
mbed_official 620:034e698bc035 76 else if (Px == PAD_PC) px_exti = EXTI_PC;
mbed_official 620:034e698bc035 77 else
mbed_official 620:034e698bc035 78 {
mbed_official 620:034e698bc035 79 px_exti = (P_Port_Def*)EXTI_PD;
mbed_official 620:034e698bc035 80 loop = 5;
mbed_official 620:034e698bc035 81 }
mbed_official 620:034e698bc035 82
mbed_official 620:034e698bc035 83 for(pinpos = 0x00; pinpos < loop; pinpos++)
mbed_official 620:034e698bc035 84 {
mbed_official 620:034e698bc035 85 pos = ((uint32_t)0x01) << pinpos;
mbed_official 620:034e698bc035 86
mbed_official 620:034e698bc035 87 currentpin = GPIO_Pin & pos;
mbed_official 620:034e698bc035 88 if(currentpin == pos)
mbed_official 620:034e698bc035 89 {
mbed_official 620:034e698bc035 90 if(Polarity == EXTI_Trigger_Rising)
mbed_official 620:034e698bc035 91 px_exti->Port[pinpos] |= EXTI_Px_INTPOR_RISING_EDGE;
mbed_official 620:034e698bc035 92 else
mbed_official 620:034e698bc035 93 px_exti->Port[pinpos] |= EXTI_Px_INTPOR_FALLING_EDGE;
mbed_official 620:034e698bc035 94 }
mbed_official 620:034e698bc035 95 }
mbed_official 620:034e698bc035 96
mbed_official 620:034e698bc035 97 }
mbed_official 620:034e698bc035 98
mbed_official 620:034e698bc035 99 /**
mbed_official 620:034e698bc035 100 * @brief Fills each EXTI_InitStruct member with its reset value.
mbed_official 620:034e698bc035 101 * @param EXTI_InitStruct: pointer to a EXTI_InitTypeDef structure which will
mbed_official 620:034e698bc035 102 * be initialized.
mbed_official 620:034e698bc035 103 * @retval None
mbed_official 620:034e698bc035 104 */
mbed_official 620:034e698bc035 105 void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct)
mbed_official 620:034e698bc035 106 {
mbed_official 620:034e698bc035 107 EXTI_InitStruct->EXTI_Line = 0xFF;
mbed_official 620:034e698bc035 108 EXTI_InitStruct->EXTI_Mode = EXTI_Mode_Interrupt;
mbed_official 620:034e698bc035 109 EXTI_InitStruct->EXTI_Trigger = EXTI_Trigger_Falling;
mbed_official 620:034e698bc035 110 }
mbed_official 620:034e698bc035 111
mbed_official 620:034e698bc035 112 uint16_t EXTI_Px_GetEXTEN(PAD_Type Px)
mbed_official 620:034e698bc035 113 {
mbed_official 620:034e698bc035 114 uint32_t i, loop = 16;
mbed_official 620:034e698bc035 115 uint16_t ret=0;
mbed_official 620:034e698bc035 116 P_Port_Def *px_exti;
mbed_official 620:034e698bc035 117
mbed_official 620:034e698bc035 118 assert_param(IS_PAD_TYPE(Px));
mbed_official 620:034e698bc035 119
mbed_official 620:034e698bc035 120 if (Px == PAD_PA) px_exti = EXTI_PA;
mbed_official 620:034e698bc035 121 else if (Px == PAD_PB) px_exti = EXTI_PB;
mbed_official 620:034e698bc035 122 else if (Px == PAD_PC) px_exti = EXTI_PC;
mbed_official 620:034e698bc035 123 else
mbed_official 620:034e698bc035 124 {
mbed_official 620:034e698bc035 125 px_exti = (P_Port_Def*)EXTI_PD;
mbed_official 620:034e698bc035 126 loop = 5;
mbed_official 620:034e698bc035 127 }
mbed_official 620:034e698bc035 128
mbed_official 620:034e698bc035 129 for(i = 0x00; i < loop; i++)
mbed_official 620:034e698bc035 130 {
mbed_official 620:034e698bc035 131 ret |= (((px_exti->Port[i]&0x2)>>1)<<i);
mbed_official 620:034e698bc035 132 }
mbed_official 620:034e698bc035 133 return ret;
mbed_official 620:034e698bc035 134 }
mbed_official 620:034e698bc035 135
mbed_official 620:034e698bc035 136 uint16_t EXTI_Px_GetEXTINTPOL(PAD_Type Px)
mbed_official 620:034e698bc035 137 {
mbed_official 620:034e698bc035 138 uint32_t i, loop = 16;
mbed_official 620:034e698bc035 139 uint16_t ret=0;
mbed_official 620:034e698bc035 140 P_Port_Def *px_exti;
mbed_official 620:034e698bc035 141
mbed_official 620:034e698bc035 142 assert_param(IS_PAD_TYPE(Px));
mbed_official 620:034e698bc035 143
mbed_official 620:034e698bc035 144 if (Px == PAD_PA) px_exti = EXTI_PA;
mbed_official 620:034e698bc035 145 else if (Px == PAD_PB) px_exti = EXTI_PB;
mbed_official 620:034e698bc035 146 else if (Px == PAD_PC) px_exti = EXTI_PC;
mbed_official 620:034e698bc035 147 else
mbed_official 620:034e698bc035 148 {
mbed_official 620:034e698bc035 149 px_exti = (P_Port_Def*)EXTI_PD;
mbed_official 620:034e698bc035 150 loop = 5;
mbed_official 620:034e698bc035 151 }
mbed_official 620:034e698bc035 152
mbed_official 620:034e698bc035 153 for(i = 0x00; i < loop; i++)
mbed_official 620:034e698bc035 154 {
mbed_official 620:034e698bc035 155 ret |= ((px_exti->Port[i]&0x1)<<i);
mbed_official 620:034e698bc035 156 }
mbed_official 620:034e698bc035 157 return ret;
mbed_official 620:034e698bc035 158 }