247 lines
18 KiB
C
247 lines
18 KiB
C
/*!
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\file gd32f4xx_exti.h
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\brief definitions for the EXTI
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*/
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/*
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Copyright (C) 2016 GigaDevice
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2016-08-15, V1.0.0, firmware for GD32F4xx
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*/
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#ifndef GD32F4XX_EXTI_H
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#define GD32F4XX_EXTI_H
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#include "gd32f4xx.h"
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/* EXTI definitions */
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#define EXTI EXTI_BASE
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/* registers definitions */
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#define EXTI_INTEN REG32(EXTI + 0x00U) /*!< interrupt enable register */
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#define EXTI_EVEN REG32(EXTI + 0x04U) /*!< event enable register */
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#define EXTI_RTEN REG32(EXTI + 0x08U) /*!< rising edge trigger enable register */
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#define EXTI_FTEN REG32(EXTI + 0x0CU) /*!< falling trigger enable register */
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#define EXTI_SWIEV REG32(EXTI + 0x10U) /*!< software interrupt event register */
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#define EXTI_PD REG32(EXTI + 0x14U) /*!< pending register */
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/* bits definitions */
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/* EXTI_INTEN */
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#define EXTI_INTEN_INTEN0 BIT(0) /*!< interrupt from line 0 */
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#define EXTI_INTEN_INTEN1 BIT(1) /*!< interrupt from line 1 */
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#define EXTI_INTEN_INTEN2 BIT(2) /*!< interrupt from line 2 */
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#define EXTI_INTEN_INTEN3 BIT(3) /*!< interrupt from line 3 */
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#define EXTI_INTEN_INTEN4 BIT(4) /*!< interrupt from line 4 */
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#define EXTI_INTEN_INTEN5 BIT(5) /*!< interrupt from line 5 */
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#define EXTI_INTEN_INTEN6 BIT(6) /*!< interrupt from line 6 */
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#define EXTI_INTEN_INTEN7 BIT(7) /*!< interrupt from line 7 */
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#define EXTI_INTEN_INTEN8 BIT(8) /*!< interrupt from line 8 */
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#define EXTI_INTEN_INTEN9 BIT(9) /*!< interrupt from line 9 */
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#define EXTI_INTEN_INTEN10 BIT(10) /*!< interrupt from line 10 */
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#define EXTI_INTEN_INTEN11 BIT(11) /*!< interrupt from line 11 */
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#define EXTI_INTEN_INTEN12 BIT(12) /*!< interrupt from line 12 */
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#define EXTI_INTEN_INTEN13 BIT(13) /*!< interrupt from line 13 */
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#define EXTI_INTEN_INTEN14 BIT(14) /*!< interrupt from line 14 */
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#define EXTI_INTEN_INTEN15 BIT(15) /*!< interrupt from line 15 */
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#define EXTI_INTEN_INTEN16 BIT(16) /*!< interrupt from line 16 */
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#define EXTI_INTEN_INTEN17 BIT(17) /*!< interrupt from line 17 */
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#define EXTI_INTEN_INTEN18 BIT(18) /*!< interrupt from line 18 */
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#define EXTI_INTEN_INTEN19 BIT(19) /*!< interrupt from line 19 */
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#define EXTI_INTEN_INTEN20 BIT(20) /*!< interrupt from line 20 */
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#define EXTI_INTEN_INTEN21 BIT(21) /*!< interrupt from line 21 */
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#define EXTI_INTEN_INTEN22 BIT(22) /*!< interrupt from line 22 */
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/* EXTI_EVEN */
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#define EXTI_EVEN_EVEN0 BIT(0) /*!< event from line 0 */
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#define EXTI_EVEN_EVEN1 BIT(1) /*!< event from line 1 */
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#define EXTI_EVEN_EVEN2 BIT(2) /*!< event from line 2 */
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#define EXTI_EVEN_EVEN3 BIT(3) /*!< event from line 3 */
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#define EXTI_EVEN_EVEN4 BIT(4) /*!< event from line 4 */
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#define EXTI_EVEN_EVEN5 BIT(5) /*!< event from line 5 */
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#define EXTI_EVEN_EVEN6 BIT(6) /*!< event from line 6 */
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#define EXTI_EVEN_EVEN7 BIT(7) /*!< event from line 7 */
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#define EXTI_EVEN_EVEN8 BIT(8) /*!< event from line 8 */
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#define EXTI_EVEN_EVEN9 BIT(9) /*!< event from line 9 */
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#define EXTI_EVEN_EVEN10 BIT(10) /*!< event from line 10 */
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#define EXTI_EVEN_EVEN11 BIT(11) /*!< event from line 11 */
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#define EXTI_EVEN_EVEN12 BIT(12) /*!< event from line 12 */
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#define EXTI_EVEN_EVEN13 BIT(13) /*!< event from line 13 */
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#define EXTI_EVEN_EVEN14 BIT(14) /*!< event from line 14 */
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#define EXTI_EVEN_EVEN15 BIT(15) /*!< event from line 15 */
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#define EXTI_EVEN_EVEN16 BIT(16) /*!< event from line 16 */
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#define EXTI_EVEN_EVEN17 BIT(17) /*!< event from line 17 */
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#define EXTI_EVEN_EVEN18 BIT(18) /*!< event from line 18 */
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#define EXTI_EVEN_EVEN19 BIT(19) /*!< event from line 19 */
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#define EXTI_EVEN_EVEN20 BIT(20) /*!< event from line 20 */
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#define EXTI_EVEN_EVEN21 BIT(21) /*!< event from line 21 */
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#define EXTI_EVEN_EVEN22 BIT(22) /*!< event from line 22 */
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/* EXTI_RTEN */
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#define EXTI_RTEN_RTEN0 BIT(0) /*!< rising edge from line 0 */
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#define EXTI_RTEN_RTEN1 BIT(1) /*!< rising edge from line 1 */
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#define EXTI_RTEN_RTEN2 BIT(2) /*!< rising edge from line 2 */
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#define EXTI_RTEN_RTEN3 BIT(3) /*!< rising edge from line 3 */
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#define EXTI_RTEN_RTEN4 BIT(4) /*!< rising edge from line 4 */
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#define EXTI_RTEN_RTEN5 BIT(5) /*!< rising edge from line 5 */
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#define EXTI_RTEN_RTEN6 BIT(6) /*!< rising edge from line 6 */
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#define EXTI_RTEN_RTEN7 BIT(7) /*!< rising edge from line 7 */
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#define EXTI_RTEN_RTEN8 BIT(8) /*!< rising edge from line 8 */
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#define EXTI_RTEN_RTEN9 BIT(9) /*!< rising edge from line 9 */
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#define EXTI_RTEN_RTEN10 BIT(10) /*!< rising edge from line 10 */
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#define EXTI_RTEN_RTEN11 BIT(11) /*!< rising edge from line 11 */
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#define EXTI_RTEN_RTEN12 BIT(12) /*!< rising edge from line 12 */
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#define EXTI_RTEN_RTEN13 BIT(13) /*!< rising edge from line 13 */
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#define EXTI_RTEN_RTEN14 BIT(14) /*!< rising edge from line 14 */
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#define EXTI_RTEN_RTEN15 BIT(15) /*!< rising edge from line 15 */
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#define EXTI_RTEN_RTEN16 BIT(16) /*!< rising edge from line 16 */
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#define EXTI_RTEN_RTEN17 BIT(17) /*!< rising edge from line 17 */
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#define EXTI_RTEN_RTEN18 BIT(18) /*!< rising edge from line 18 */
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#define EXTI_RTEN_RTEN19 BIT(19) /*!< rising edge from line 19 */
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#define EXTI_RTEN_RTEN21 BIT(21) /*!< rising edge from line 21 */
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#define EXTI_RTEN_RTEN22 BIT(22) /*!< rising edge from line 22 */
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/* EXTI_FTEN */
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#define EXTI_FTEN_FTEN0 BIT(0) /*!< falling edge from line 0 */
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#define EXTI_FTEN_FTEN1 BIT(1) /*!< falling edge from line 1 */
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#define EXTI_FTEN_FTEN2 BIT(2) /*!< falling edge from line 2 */
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#define EXTI_FTEN_FTEN3 BIT(3) /*!< falling edge from line 3 */
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#define EXTI_FTEN_FTEN4 BIT(4) /*!< falling edge from line 4 */
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#define EXTI_FTEN_FTEN5 BIT(5) /*!< falling edge from line 5 */
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#define EXTI_FTEN_FTEN6 BIT(6) /*!< falling edge from line 6 */
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#define EXTI_FTEN_FTEN7 BIT(7) /*!< falling edge from line 7 */
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#define EXTI_FTEN_FTEN8 BIT(8) /*!< falling edge from line 8 */
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#define EXTI_FTEN_FTEN9 BIT(9) /*!< falling edge from line 9 */
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#define EXTI_FTEN_FTEN10 BIT(10) /*!< falling edge from line 10 */
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#define EXTI_FTEN_FTEN11 BIT(11) /*!< falling edge from line 11 */
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#define EXTI_FTEN_FTEN12 BIT(12) /*!< falling edge from line 12 */
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#define EXTI_FTEN_FTEN13 BIT(13) /*!< falling edge from line 13 */
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#define EXTI_FTEN_FTEN14 BIT(14) /*!< falling edge from line 14 */
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#define EXTI_FTEN_FTEN15 BIT(15) /*!< falling edge from line 15 */
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#define EXTI_FTEN_FTEN16 BIT(16) /*!< falling edge from line 16 */
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#define EXTI_FTEN_FTEN17 BIT(17) /*!< falling edge from line 17 */
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#define EXTI_FTEN_FTEN18 BIT(18) /*!< falling edge from line 18 */
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#define EXTI_FTEN_FTEN19 BIT(19) /*!< falling edge from line 19 */
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#define EXTI_FTEN_FTEN21 BIT(21) /*!< falling edge from line 21 */
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#define EXTI_FTEN_FTEN22 BIT(22) /*!< falling edge from line 22 */
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/* EXTI_SWIEV */
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#define EXTI_SWIEV_SWIEV0 BIT(0) /*!< software interrupt/event request from line 0 */
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#define EXTI_SWIEV_SWIEV1 BIT(1) /*!< software interrupt/event request from line 1 */
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#define EXTI_SWIEV_SWIEV2 BIT(2) /*!< software interrupt/event request from line 2 */
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#define EXTI_SWIEV_SWIEV3 BIT(3) /*!< software interrupt/event request from line 3 */
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#define EXTI_SWIEV_SWIEV4 BIT(4) /*!< software interrupt/event request from line 4 */
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#define EXTI_SWIEV_SWIEV5 BIT(5) /*!< software interrupt/event request from line 5 */
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#define EXTI_SWIEV_SWIEV6 BIT(6) /*!< software interrupt/event request from line 6 */
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#define EXTI_SWIEV_SWIEV7 BIT(7) /*!< software interrupt/event request from line 7 */
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#define EXTI_SWIEV_SWIEV8 BIT(8) /*!< software interrupt/event request from line 8 */
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#define EXTI_SWIEV_SWIEV9 BIT(9) /*!< software interrupt/event request from line 9 */
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#define EXTI_SWIEV_SWIEV10 BIT(10) /*!< software interrupt/event request from line 10 */
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#define EXTI_SWIEV_SWIEV11 BIT(11) /*!< software interrupt/event request from line 11 */
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#define EXTI_SWIEV_SWIEV12 BIT(12) /*!< software interrupt/event request from line 12 */
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#define EXTI_SWIEV_SWIEV13 BIT(13) /*!< software interrupt/event request from line 13 */
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#define EXTI_SWIEV_SWIEV14 BIT(14) /*!< software interrupt/event request from line 14 */
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#define EXTI_SWIEV_SWIEV15 BIT(15) /*!< software interrupt/event request from line 15 */
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#define EXTI_SWIEV_SWIEV16 BIT(16) /*!< software interrupt/event request from line 16 */
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#define EXTI_SWIEV_SWIEV17 BIT(17) /*!< software interrupt/event request from line 17 */
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#define EXTI_SWIEV_SWIEV18 BIT(18) /*!< software interrupt/event request from line 18 */
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#define EXTI_SWIEV_SWIEV19 BIT(19) /*!< software interrupt/event request from line 19 */
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#define EXTI_SWIEV_SWIEV21 BIT(21) /*!< software interrupt/event request from line 21 */
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#define EXTI_SWIEV_SWIEV22 BIT(22) /*!< software interrupt/event request from line 22 */
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/* EXTI_PD */
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#define EXTI_PD_PD0 BIT(0) /*!< interrupt/event pending status from line 0 */
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#define EXTI_PD_PD1 BIT(1) /*!< interrupt/event pending status from line 1 */
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#define EXTI_PD_PD2 BIT(2) /*!< interrupt/event pending status from line 2 */
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#define EXTI_PD_PD3 BIT(3) /*!< interrupt/event pending status from line 3 */
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#define EXTI_PD_PD4 BIT(4) /*!< interrupt/event pending status from line 4 */
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#define EXTI_PD_PD5 BIT(5) /*!< interrupt/event pending status from line 5 */
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#define EXTI_PD_PD6 BIT(6) /*!< interrupt/event pending status from line 6 */
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#define EXTI_PD_PD7 BIT(7) /*!< interrupt/event pending status from line 7 */
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#define EXTI_PD_PD8 BIT(8) /*!< interrupt/event pending status from line 8 */
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#define EXTI_PD_PD9 BIT(9) /*!< interrupt/event pending status from line 9 */
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#define EXTI_PD_PD10 BIT(10) /*!< interrupt/event pending status from line 10 */
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#define EXTI_PD_PD11 BIT(11) /*!< interrupt/event pending status from line 11 */
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#define EXTI_PD_PD12 BIT(12) /*!< interrupt/event pending status from line 12 */
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#define EXTI_PD_PD13 BIT(13) /*!< interrupt/event pending status from line 13 */
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#define EXTI_PD_PD14 BIT(14) /*!< interrupt/event pending status from line 14 */
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#define EXTI_PD_PD15 BIT(15) /*!< interrupt/event pending status from line 15 */
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#define EXTI_PD_PD16 BIT(16) /*!< interrupt/event pending status from line 16 */
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#define EXTI_PD_PD17 BIT(17) /*!< interrupt/event pending status from line 17 */
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#define EXTI_PD_PD18 BIT(18) /*!< interrupt/event pending status from line 18 */
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#define EXTI_PD_PD19 BIT(19) /*!< interrupt/event pending status from line 19 */
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#define EXTI_PD_PD21 BIT(21) /*!< interrupt/event pending status from line 21 */
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#define EXTI_PD_PD22 BIT(22) /*!< interrupt/event pending status from line 22 */
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/* constants definitions */
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/* EXTI line number */
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typedef enum
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{
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EXTI_0 = BIT(0), /*!< EXTI line 0 */
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EXTI_1 = BIT(1), /*!< EXTI line 1 */
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EXTI_2 = BIT(2), /*!< EXTI line 2 */
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EXTI_3 = BIT(3), /*!< EXTI line 3 */
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EXTI_4 = BIT(4), /*!< EXTI line 4 */
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EXTI_5 = BIT(5), /*!< EXTI line 5 */
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EXTI_6 = BIT(6), /*!< EXTI line 6 */
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EXTI_7 = BIT(7), /*!< EXTI line 7 */
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EXTI_8 = BIT(8), /*!< EXTI line 8 */
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EXTI_9 = BIT(9), /*!< EXTI line 9 */
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EXTI_10 = BIT(10), /*!< EXTI line 10 */
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EXTI_11 = BIT(11), /*!< EXTI line 11 */
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EXTI_12 = BIT(12), /*!< EXTI line 12 */
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EXTI_13 = BIT(13), /*!< EXTI line 13 */
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EXTI_14 = BIT(14), /*!< EXTI line 14 */
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EXTI_15 = BIT(15), /*!< EXTI line 15 */
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EXTI_16 = BIT(16), /*!< EXTI line 16 */
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EXTI_17 = BIT(17), /*!< EXTI line 17 */
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EXTI_18 = BIT(18), /*!< EXTI line 18 */
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EXTI_19 = BIT(19), /*!< EXTI line 19 */
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EXTI_20 = BIT(20), /*!< EXTI line 20 */
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EXTI_21 = BIT(21), /*!< EXTI line 21 */
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EXTI_22 = BIT(22), /*!< EXTI line 22 */
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}exti_line_enum;
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/* external interrupt and event */
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typedef enum
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{
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EXTI_INTERRUPT = 0, /*!< EXTI interrupt mode */
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EXTI_EVENT /*!< EXTI event mode */
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}exti_mode_enum;
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/* interrupt trigger mode */
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typedef enum
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{
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EXTI_TRIG_RISING = 0, /*!< EXTI rising edge trigger */
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EXTI_TRIG_FALLING, /*!< EXTI falling edge trigger */
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EXTI_TRIG_BOTH /*!< EXTI rising and falling edge trigger */
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}exti_trig_type_enum;
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/* function declarations */
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/* deinitialize the EXTI */
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void exti_deinit(void);
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/* enable the configuration of EXTI initialize */
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void exti_init(exti_line_enum linex, exti_mode_enum mode, exti_trig_type_enum trig_type);
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/* enable the interrupts from EXTI line x */
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void exti_interrupt_enable(exti_line_enum linex);
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/* enable the events from EXTI line x */
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void exti_event_enable(exti_line_enum linex);
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/* disable the interrupts from EXTI line x */
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void exti_interrupt_disable(exti_line_enum linex);
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/* disable the events from EXTI line x */
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void exti_event_disable(exti_line_enum linex);
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/* get EXTI lines pending flag */
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FlagStatus exti_flag_get(exti_line_enum linex);
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/* clear EXTI lines pending flag */
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void exti_flag_clear(exti_line_enum linex);
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/* get EXTI lines flag when the interrupt flag is set */
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FlagStatus exti_interrupt_flag_get(exti_line_enum linex);
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/* clear EXTI lines pending flag */
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void exti_interrupt_flag_clear(exti_line_enum linex);
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/* EXTI software interrupt event enable */
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void exti_software_interrupt_enable(exti_line_enum linex);
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/* EXTI software interrupt event disable */
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void exti_software_interrupt_disable(exti_line_enum linex);
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#endif /* GD32F4XX_EXTI_H */
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