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- #include "gd32f30x_exti.h"
- #define EXTI_REG_RESET_VALUE ((uint32_t)0x00000000U)
- void exti_deinit(void)
- {
-
- EXTI_INTEN = EXTI_REG_RESET_VALUE;
- EXTI_EVEN = EXTI_REG_RESET_VALUE;
- EXTI_RTEN = EXTI_REG_RESET_VALUE;
- EXTI_FTEN = EXTI_REG_RESET_VALUE;
- EXTI_SWIEV = EXTI_REG_RESET_VALUE;
- }
- void exti_init(exti_line_enum linex, exti_mode_enum mode, exti_trig_type_enum trig_type)
- {
-
- EXTI_INTEN &= ~(uint32_t)linex;
- EXTI_EVEN &= ~(uint32_t)linex;
- EXTI_RTEN &= ~(uint32_t)linex;
- EXTI_FTEN &= ~(uint32_t)linex;
-
-
- switch(mode){
- case EXTI_INTERRUPT:
- EXTI_INTEN |= (uint32_t)linex;
- break;
- case EXTI_EVENT:
- EXTI_EVEN |= (uint32_t)linex;
- break;
- default:
- break;
- }
-
-
- switch(trig_type){
- case EXTI_TRIG_RISING:
- EXTI_RTEN |= (uint32_t)linex;
- EXTI_FTEN &= ~(uint32_t)linex;
- break;
- case EXTI_TRIG_FALLING:
- EXTI_RTEN &= ~(uint32_t)linex;
- EXTI_FTEN |= (uint32_t)linex;
- break;
- case EXTI_TRIG_BOTH:
- EXTI_RTEN |= (uint32_t)linex;
- EXTI_FTEN |= (uint32_t)linex;
- break;
- case EXTI_TRIG_NONE:
- default:
- break;
- }
- }
- void exti_interrupt_enable(exti_line_enum linex)
- {
- EXTI_INTEN |= (uint32_t)linex;
- }
- void exti_interrupt_disable(exti_line_enum linex)
- {
- EXTI_INTEN &= ~(uint32_t)linex;
- }
- void exti_event_enable(exti_line_enum linex)
- {
- EXTI_EVEN |= (uint32_t)linex;
- }
- void exti_event_disable(exti_line_enum linex)
- {
- EXTI_EVEN &= ~(uint32_t)linex;
- }
- void exti_software_interrupt_enable(exti_line_enum linex)
- {
- EXTI_SWIEV |= (uint32_t)linex;
- }
- void exti_software_interrupt_disable(exti_line_enum linex)
- {
- EXTI_SWIEV &= ~(uint32_t)linex;
- }
- FlagStatus exti_flag_get(exti_line_enum linex)
- {
- if(RESET != (EXTI_PD & (uint32_t)linex)){
- return SET;
- }else{
- return RESET;
- }
- }
- void exti_flag_clear(exti_line_enum linex)
- {
- EXTI_PD = (uint32_t)linex;
- }
- FlagStatus exti_interrupt_flag_get(exti_line_enum linex)
- {
- if(RESET != (EXTI_PD & (uint32_t)linex)) {
- return SET;
- } else {
- return RESET;
- }
- }
- void exti_interrupt_flag_clear(exti_line_enum linex)
- {
- EXTI_PD = (uint32_t)linex;
- }
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