#include "gd32f10x.h" #include "key.h" #include "systick.h" #include "device_message.h" static uint32_t KEY_PORT[KEYn] = {SYS_RECOVERY_KEY_GPIO_PORT}; static uint32_t KEY_PIN[KEYn] = {SYS_RECOVERY_KEY_PIN}; static rcu_periph_enum KEY_CLK[KEYn] = {SYS_RECOVERY_KEY_GPIO_CLK}; static exti_line_enum KEY_EXTI_LINE[KEYn] = {SYS_RECOVERY_KEY_EXTI_LINE}; static uint8_t KEY_PORT_SOURCE[KEYn] = {SYS_RECOVERY_KEY_EXTI_PORT_SOURCE}; static uint8_t KEY_PIN_SOURCE[KEYn] = {SYS_RECOVERY_KEY_EXTI_PORT_SOURCE}; static uint8_t KEY_IRQn[KEYn] = {SYS_RECOVERY_KEY_EXTI_IRQn}; void gd_eval_key_init(key_typedef_enum key_num, keymode_typedef_enum key_mode) { /* enable the key clock */ rcu_periph_clock_enable(KEY_CLK[key_num]); rcu_periph_clock_enable(RCU_AF); /* configure button pin as input */ gpio_init(KEY_PORT[key_num], GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, KEY_PIN[key_num]); if (key_mode == KEY_MODE_EXTI) { /* enable and set key EXTI interrupt to the lowest priority */ nvic_irq_enable(KEY_IRQn[key_num], 2U, 2U); /* connect key EXTI line to key GPIO pin */ gpio_exti_source_select(KEY_PORT_SOURCE[key_num], KEY_PIN_SOURCE[key_num]); /* configure key EXTI line */ exti_init(KEY_EXTI_LINE[key_num], EXTI_INTERRUPT, EXTI_TRIG_FALLING); exti_interrupt_flag_clear(KEY_EXTI_LINE[key_num]); } } void EXTI1_IRQHandler(void){ if (exti_interrupt_flag_get(EXTI_1) != RESET) { /* 延时1秒钟 */ delay_1ms(1000); /* 判断按键是否仍然被按下 */ if (gpio_input_bit_get(KEY_PORT[0], KEY_PIN[0]) == RESET) { /* 执行数据清除操作 */ // clear_gateway_config_block(); } /* 清除EXTI1中断标志 */ exti_interrupt_flag_clear(EXTI_1); NVIC_SystemReset(); //设备重启 } }