#include "Key.h" #include "SysTick.h" #include "gd32e230x_conf.h" #define KEY_NAME_MAX 5 #define KEY_A_RCU RCU_GPIOA #define KEY_A_IO GPIOA #define KEY_B_RCU RCU_GPIOB #define KEY_B_IO GPIOB #define KEY_F_RCU RCU_GPIOF #define KEY_F_IO GPIOF #define KEY_ON 0 #define KEY_OFF 1 #define KEY1 GPIO_PIN_7 #define KEY2 GPIO_PIN_6 #define KEY3 GPIO_PIN_12 #define KEY4 GPIO_PIN_8 #if ((RelaySlaveChaNum <=4) && (!SUPPORT_TWIN_FIRE)) #define KEY5 GPIO_PIN_15 #else #define KEY5 GPIO_PIN_10 #endif #if (RelaySlaveChaNum == 6) #define DERECTION_GPIO GPIOB #define DERECTION_IO_1 GPIO_PIN_8 #define DERECTION_IO_2 GPIO_PIN_9 #define DERECTION_IO_1_RCU EXTI_SOURCE_GPIOB #define DERECTION_IO_1_PIN DERECTION_IO_8 #define DERECTION_IO_1_SOURCE EXTI_SOURCE_PIN8 #define DERECTION_IO_1_EXIT EXTI_8 #define DERECTION_IO_2_RCU EXTI_SOURCE_GPIOB #define DERECTION_IO_2_PIN DERECTION_IO_9 #define DERECTION_IO_2_SOURCE EXTI_SOURCE_PIN9 #define DERECTION_IO_2_EXIT EXTI_9 #elif((RelaySlaveChaNum <= 4) && (!SUPPORT_TWIN_FIRE)) #define DERECTION_GPIO GPIOB #define DERECTION_IO_1 GPIO_PIN_10 #define DERECTION_IO_1_RCU EXTI_SOURCE_GPIOB #define DERECTION_IO_1_PIN DERECTION_IO_1 #define DERECTION_IO_1_SOURCE EXTI_SOURCE_PIN10 #define DERECTION_IO_1_EXIT EXTI_10 #elif ((RelaySlaveChaNum == 8) && (SUPPORT_2_DETECTION)) #define DERECTION_GPIO GPIOB #define DERECTION_IO_1 GPIO_PIN_1 #define DERECTION_IO_2 GPIO_PIN_2 #define DERECTION_IO_1_RCU EXTI_SOURCE_GPIOB #define DERECTION_IO_1_PIN DERECTION_IO_1 #define DERECTION_IO_1_SOURCE EXTI_SOURCE_PIN1 #define DERECTION_IO_1_EXIT EXTI_1 #define DERECTION_IO_2_RCU EXTI_SOURCE_GPIOB #define DERECTION_IO_2_PIN DERECTION_IO_2 #define DERECTION_IO_2_SOURCE EXTI_SOURCE_PIN2 #define DERECTION_IO_2_EXIT EXTI_2 #elif ((RelaySlaveChaNum <= 4) && (SUPPORT_TWIN_FIRE)) #define DERECTION_GPIO GPIOB #define DERECTION_IO_1 GPIO_PIN_1 #define DERECTION_IO_2 GPIO_PIN_2 #define DERECTION_IO_1_RCU EXTI_SOURCE_GPIOB #define DERECTION_IO_1_PIN DERECTION_IO_1 #define DERECTION_IO_1_SOURCE EXTI_SOURCE_PIN1 #define DERECTION_IO_1_EXIT EXTI_1 #define DERECTION_IO_2_RCU EXTI_SOURCE_GPIOB #define DERECTION_IO_2_PIN DERECTION_IO_2 #define DERECTION_IO_2_SOURCE EXTI_SOURCE_PIN2 #define DERECTION_IO_2_EXIT EXTI_2 #else #define DERECTION_GPIO GPIOA #define DERECTION_IO_1 GPIO_PIN_1 #define DERECTION_IO_1_RCU EXTI_SOURCE_GPIOA #define DERECTION_IO_1_PIN DERECTION_IO_1 #define DERECTION_IO_1_SOURCE EXTI_SOURCE_PIN1 #define DERECTION_IO_1_EXIT EXTI_1 #endif //#if SUPPORT_DETECTION uint8_t key_detection_1 = 0; uint8_t key_detection_2 = 0; //#endif extern uint16_t detection_count_1; extern uint16_t detection_count_2; static unsigned char s_arrKeyDownLevel[KEY_NAME_MAX]; //使用前要在InitKey函数中进行初始化 static void ConfigKeyGPIO(void); //配置按键的GPIO static void ConfigDetection(void); static void ConfigKeyGPIO(void) { //使能RCU相关时钟 rcu_periph_clock_enable(RCU_GPIOA); //使能GPIOA的时钟 rcu_periph_clock_enable(RCU_GPIOF); //使能GPIOF的时钟 rcu_periph_clock_enable(RCU_GPIOB); gpio_mode_set(KEY_F_IO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, KEY1); //配置PF7为上拉输入K1 gpio_mode_set(KEY_F_IO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, KEY2); //配置PF6为上拉输入K2 gpio_mode_set(KEY_A_IO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, KEY3); //配置PA12为上拉输入K3 gpio_mode_set(KEY_A_IO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, KEY4); //配置PA12为上拉输入K3 #if SUPPORT_4_KEY #else gpio_mode_set(KEY_B_IO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, KEY5); #endif } static void ConfigDetection(void) { #if SUPPORT_DETECTION #if SUPPORT_FALLING_DETECTED rcu_periph_clock_enable(RCU_CFGCMP); #endif #if (RelaySlaveChaNum == 6) rcu_periph_clock_enable(RCU_GPIOB); #elif((RelaySlaveChaNum <= 4) && (!SUPPORT_TWIN_FIRE)) rcu_periph_clock_enable(RCU_GPIOB); #elif ((RelaySlaveChaNum == 8) && (SUPPORT_2_DETECTION)) rcu_periph_clock_enable(RCU_GPIOB); #elif(SUPPORT_TWIN_FIRE) rcu_periph_clock_enable(RCU_GPIOB); #else rcu_periph_clock_enable(RCU_GPIOA); #endif //config io #if (RelaySlaveChaNum == 6 || ((RelaySlaveChaNum == 8) && SUPPORT_2_DETECTION) || SUPPORT_TWIN_FIRE) gpio_mode_set(DERECTION_GPIO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, DERECTION_IO_2); #endif gpio_mode_set(DERECTION_GPIO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, DERECTION_IO_1); //config interrupt #if SUPPORT_FALLING_DETECTED #if (RelaySlaveChaNum == 6) nvic_irq_enable(EXTI4_15_IRQn,2); syscfg_exti_line_config(DERECTION_IO_2_RCU,DERECTION_IO_2_SOURCE); exti_init(DERECTION_IO_2_EXIT,EXTI_INTERRUPT,EXTI_TRIG_FALLING); exti_interrupt_flag_clear(DERECTION_IO_2_EXIT); #elif((RelaySlaveChaNum <= 4) && (!SUPPORT_TWIN_FIRE)) nvic_irq_enable(EXTI4_15_IRQn,2); #elif ((RelaySlaveChaNum == 8) && (SUPPORT_2_DETECTION) || (SUPPORT_TWIN_FIRE)) nvic_irq_enable(EXTI0_1_IRQn,2); nvic_irq_enable(EXTI2_3_IRQn,2); syscfg_exti_line_config(DERECTION_IO_2_RCU,DERECTION_IO_2_SOURCE); exti_init(DERECTION_IO_2_EXIT,EXTI_INTERRUPT,EXTI_TRIG_FALLING); exti_interrupt_flag_clear(DERECTION_IO_2_EXIT); #else nvic_irq_enable(EXTI0_1_IRQn,2); #endif syscfg_exti_line_config(DERECTION_IO_1_RCU,DERECTION_IO_1_SOURCE); exti_init(DERECTION_IO_1_EXIT,EXTI_INTERRUPT,EXTI_TRIG_FALLING); exti_interrupt_flag_clear(DERECTION_IO_1_EXIT); #endif #endif } void InitKey(void) { ConfigKeyGPIO(); //配置按键的GPIO ConfigDetection(); } unsigned char ScanKey(unsigned int gpio_periph,unsigned int pin) { if(gpio_input_bit_get(gpio_periph,pin)==0) return KEY_ON; else return KEY_OFF; } unsigned char ReadKeyValue(void) { static unsigned char SlaveAddress; s_arrKeyDownLevel[0]=ScanKey(KEY_F_IO,KEY1); s_arrKeyDownLevel[1]=ScanKey(KEY_F_IO,KEY2); s_arrKeyDownLevel[2]=ScanKey(KEY_A_IO,KEY3); s_arrKeyDownLevel[3]=ScanKey(KEY_A_IO,KEY4); #if SUPPORT_4_KEY #else s_arrKeyDownLevel[4]=ScanKey(KEY_B_IO,KEY5); #endif #if SUPPORT_4_KEY SlaveAddress=(~((s_arrKeyDownLevel[3]<<3)|(s_arrKeyDownLevel[2]<<2)|(s_arrKeyDownLevel[1]<<1)|s_arrKeyDownLevel[0]))&0x0f; #else SlaveAddress=(~((s_arrKeyDownLevel[4]<<4)|(s_arrKeyDownLevel[3]<<3)|(s_arrKeyDownLevel[2]<<2)|(s_arrKeyDownLevel[1]<<1)|s_arrKeyDownLevel[0]))&0x1f; #endif return SlaveAddress; } void EXTI0_1_IRQHandler(void) { if(RESET != exti_interrupt_flag_get(DERECTION_IO_1_EXIT)) { key_detection_1 = 1; detection_count_1 = 0; exti_interrupt_flag_clear(DERECTION_IO_1_EXIT); } } void EXTI2_3_IRQHandler(void) { #if ((RelaySlaveChaNum == 8) && (SUPPORT_2_DETECTION)) if(RESET != exti_interrupt_flag_get(DERECTION_IO_2_EXIT)) { key_detection_2 = 1; detection_count_2 = 0; exti_interrupt_flag_clear(DERECTION_IO_2_EXIT); } #endif } void EXTI4_15_IRQHandler(void){ if(RESET != exti_interrupt_flag_get(DERECTION_IO_1_EXIT)) { key_detection_1 = 1; detection_count_1 = 0; exti_interrupt_flag_clear(DERECTION_IO_1_EXIT); } #if (RelaySlaveChaNum == 6) if(RESET != exti_interrupt_flag_get(DERECTION_IO_2_EXIT)) { key_detection_2 = 1; detection_count_2 = 0; exti_interrupt_flag_clear(DERECTION_IO_2_EXIT); } #endif } uint8_t get_detection(void) { uint8_t value = 0; #if SUPPORT_DETECTION #if SUPPORT_FALLING_DETECTED if(key_detection_1 > 0) { value |= (1 << 0); } if(key_detection_2 > 0) { value |= (1 << 1); } #else #if (RelaySlaveChaNum == 6 || ((RelaySlaveChaNum == 8) && SUPPORT_2_DETECTION) || SUPPORT_TWIN_FIRE) uint8_t val1 = 0; val1 = gpio_input_bit_get(DERECTION_GPIO,DERECTION_IO_2); if(val1 == 0) { value |= (1 << 1); } #endif uint8_t val2 = 0; val2 = gpio_input_bit_get(DERECTION_GPIO,DERECTION_IO_1); if(val2 == 0) { value |= (1 << 0); } #endif #endif return value; }