add debug info

change ultrasonic transmit pin timer to TIMER13 CH0 PB1(AF_0).
rename function name.

inc/ultrasonic_driver.h

@@ -0,0 +1,44 @@
+//
+// Created by dell on 24-9-23.
+//
+
+#ifndef ULTRASONIC_DRIVER_H
+#define ULTRASONIC_DRIVER_H
+
+#include "gd32e23x.h"
+
+#define LED_PORT            GPIOA
+#define LED_PIN             GPIO_PIN_9
+#define LED_RCU             RCU_GPIOA
+#define LED_TIMER           TIMER16
+#define LED_IRQ             TIMER16_IRQn
+
+#define USART_RCU           RCU_USART0
+#define USART_GPIO_RCU      RCU_GPIOA
+#define USARET_GPIO_PORT    GPIOA
+#define USART_TX_PIN        GPIO_PIN_2
+#define USART_RX_PIN        GPIO_PIN_3
+#define USART0_PHY          USART0
+#define USART_BAUDRATE      115200U
+
+#define US_TRAN_GPIO_RCU    RCU_GPIOB
+#define US_TRAN_GPIO_PORT   GPIOB
+#define US_TRAN_PIN         GPIO_PIN_1
+#define US_TRAN_AF          GPIO_AF_0
+
+#define US_TRAN_RCU         RCU_TIMER13
+#define US_TRAN_TIMER       TIMER13
+#define US_TRAN_CH          TIMER_CH_0
+
+void led_config(void);
+void usart_config(void);
+void ultrasonic_config(void);
+void ultrasonic_transmit_config(void);
+void ultrasonic_pwm_out_cycles(uint8_t cycles);
+
+
+void ultrasonic_transmit_delay(void);
+void recevice_exti_config(void);
+void ultrasonic_echo_timer_config(void);
+
+#endif //ULTRASONIC_DRIVER_H

inc/usonic_driver.h

@@ -1,18 +0,0 @@
-//
-// Created by dell on 24-9-23.
-//
-
-#ifndef USONIC_DRIVER_H
-#define USONIC_DRIVER_H
-
-#include "gd32e23x.h"
-
-void led_config(void);
-void usart_config(void);
-void ultrasonic_gpio_config(void);
-void ultrasonic_timer_config(void);
-void ultrasonic_config(void);
-void ultrasonic_pwm_out_cycles(uint8_t cycles);
-
-
-#endif //USONIC_DRIVER_H

src/gd32e23x_it.c

@@ -98,21 +98,68 @@ void SysTick_Handler(void)
 {
 }
 
-void TIMER13_IRQHandler(void) {
+void TIMER16_IRQHandler(void) {
-    if (timer_interrupt_flag_get(TIMER13, TIMER_INT_FLAG_UP) == SET)
+    if (timer_interrupt_flag_get(TIMER16, TIMER_INT_FLAG_UP) == SET)
     {
-        timer_interrupt_flag_clear(TIMER13, TIMER_INT_FLAG_UP);
+        timer_interrupt_flag_clear(TIMER16, TIMER_INT_FLAG_UP);
         static uint8_t led_status = 0;
         if (led_status)
         {
             //! turn on led & reconfig timer13 period to 19000(1900ms)
             gpio_bit_write(GPIOA, GPIO_PIN_9, RESET);
-            timer_autoreload_value_config(TIMER13, 19200);
+            timer_autoreload_value_config(TIMER16, 19200);
         } else {
             //! turn off led & reconfig timer13 period to 1000(100ms)
             gpio_bit_write(GPIOA, GPIO_PIN_9, SET);
-            timer_autoreload_value_config(TIMER13, 800);
+            timer_autoreload_value_config(TIMER16, 800);
         }
         led_status = !led_status;
     }
 }
+
+void TIMER14_IRQHandler(void)
+{
+    if (timer_flag_get(TIMER14, TIMER_FLAG_CH0))
+    {
+        timer_flag_clear(TIMER14, TIMER_FLAG_CH0);
+
+        uint32_t capture_value = timer_channel_capture_value_register_read(TIMER14, TIMER_CH_0);
+
+        timer_disable(TIMER14);
+    }
+}
+
+void TIMER15_IRQHandler(void) {
+    if (timer_interrupt_flag_get(TIMER15, TIMER_INT_FLAG_UP) == SET)
+    {
+        timer_interrupt_flag_clear(TIMER15, TIMER_INT_FLAG_UP);
+
+        exti_interrupt_enable(EXTI_0);
+        timer_enable(TIMER14);
+
+        /*
+         * GPIO Toggle will be delete when the project is ready
+         */
+        gpio_bit_toggle(GPIOA, GPIO_PIN_7);
+        /*******************************************************/
+
+        timer_disable(TIMER15);
+    }
+}
+
+void EXTI0_1_IRQHandler(void) {
+    if (exti_interrupt_flag_get(EXTI_0) == SET)
+    {
+        exti_interrupt_flag_clear(EXTI_0);
+
+        /*
+         * GPIO Toggle will be delete when the project is ready
+         */
+        gpio_bit_toggle(GPIOA, GPIO_PIN_5);
+        /*******************************************************/
+
+        // timer_event_software_generate(TIMER14, TIMER_EVENT_SRC_CH0G);
+
+        exti_interrupt_disable(EXTI_0);
+    }
+}

src/main.c

@@ -10,7 +10,7 @@
 #include "systick.h"
 #include "gd32e23x_libopt.h"
 
-#include "usonic_driver.h"
+#include "ultrasonic_driver.h"
 
 #define ULTRASONIC_CYCLES 0x05U
 
@@ -25,12 +25,14 @@ int main(void)
     /* configure systick */
     systick_config();
     /* configure ultrasonic board hardware */
-    ultrasonic_config();
+    ultrasonic_transmit_config();
+
 
 
     /* ---------- debug start ---------- */
-
+    ultrasonic_transmit_delay();
-
+    recevice_exti_config();
+    ultrasonic_echo_timer_config();
 
 
 
@@ -41,6 +43,8 @@ int main(void)
     printf("XLSW-3DP-UltraSonic Analog 300K!\r\n");
     printf("\r\n");
 
+    delay_ms(2000);
+
     while(1)
     {
         delay_ms(50);

src/ultrasonic_driver.c

@@ -2,7 +2,7 @@
 // Created by dell on 24-9-23.
 //
 
-#include "usonic_driver.h"
+#include "ultrasonic_driver.h"
 #include "gd32e23x.h"
 #include "systick.h"
 
@@ -10,11 +10,11 @@ uint8_t speed_pwm = 30;              //bldc default pwm is 30
 
 void led_config(void)
 {
-    rcu_periph_clock_enable(RCU_GPIOA);
+    rcu_periph_clock_enable(LED_RCU);
 
-    gpio_mode_set(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_9);
+    gpio_mode_set(LED_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED_PIN);
-    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_9);
+    gpio_output_options_set(LED_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED_PIN);
-    gpio_bit_write(GPIOA, GPIO_PIN_9, SET);
+    gpio_bit_write(LED_PORT, LED_PIN, SET);
 
     rcu_periph_clock_enable(RCU_TIMER13);
     timer_deinit(RCU_TIMER13);
@@ -26,53 +26,47 @@ void led_config(void)
     timer_initpara.counterdirection =TIMER_COUNTER_UP;
     timer_initpara.period           =999;
     timer_initpara.clockdivision    =TIMER_CKDIV_DIV1;
-    timer_init(TIMER13, &timer_initpara);
+    timer_init(LED_TIMER, &timer_initpara);
 
-    timer_auto_reload_shadow_enable(TIMER13);
+    timer_auto_reload_shadow_enable(LED_TIMER);
-    timer_interrupt_enable(TIMER13, TIMER_INT_UP);
+    timer_interrupt_enable(LED_TIMER, TIMER_INT_UP);
-    nvic_irq_enable(TIMER13_IRQn, 0);
+    nvic_irq_enable(LED_IRQ, 3);
-    timer_enable(TIMER13);
+    timer_enable(LED_TIMER);
 }
 
 void usart_config(void)
 {
-    rcu_periph_clock_enable(RCU_GPIOA);
+    rcu_periph_clock_enable(USART_GPIO_RCU);
-    rcu_periph_clock_enable(RCU_USART0);
+    rcu_periph_clock_enable(USART_RCU);
 
-    gpio_af_set(GPIOA, GPIO_AF_1, GPIO_PIN_2 | GPIO_PIN_3);
+    gpio_af_set(USARET_GPIO_PORT, GPIO_AF_1, GPIO_PIN_2 | GPIO_PIN_3);
 
     /* configure USART Tx as alternate function push-pull */
-    gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_2);
+    gpio_mode_set(USARET_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, USART_TX_PIN | USART_RX_PIN);
-    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, GPIO_PIN_2);
+    gpio_output_options_set(USARET_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, USART_TX_PIN | USART_RX_PIN);
-
-    gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_3);
-    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, GPIO_PIN_3);
 
     /* USART configure */
-    usart_deinit(USART0);
+    usart_deinit(USART0_PHY);
-    usart_baudrate_set(USART0, 115200U);
+    usart_baudrate_set(USART0_PHY, USART_BAUDRATE);
-    usart_receive_config(USART0, USART_RECEIVE_ENABLE);
+    usart_receive_config(USART0_PHY, USART_RECEIVE_ENABLE);
-    usart_transmit_config(USART0, USART_TRANSMIT_ENABLE);
+    usart_transmit_config(USART0_PHY, USART_TRANSMIT_ENABLE);
 
-    usart_enable(USART0);
+    usart_enable(USART0_PHY);
 }
 
-void ultrasonic_gpio_config(void)
+void ultrasonic_config(void)
 {
-    rcu_periph_clock_enable(RCU_GPIOB);
+    rcu_periph_clock_enable(US_TRAN_GPIO_RCU);
 
-    gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_1);
+    gpio_mode_set(US_TRAN_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_NONE, US_TRAN_PIN);
-    gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_1);
+    gpio_output_options_set(US_TRAN_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, US_TRAN_PIN);
-    gpio_af_set(GPIOB, GPIO_AF_1, GPIO_PIN_1);
+    gpio_af_set(US_TRAN_GPIO_PORT, US_TRAN_AF, US_TRAN_PIN);
-}
 
-void ultrasonic_timer_config(void)
-{
     timer_oc_parameter_struct timer_ocinitpara;
     timer_parameter_struct    timer_initpara;
 
-    rcu_periph_clock_enable(RCU_TIMER2);
+    rcu_periph_clock_enable(US_TRAN_RCU);
-    timer_deinit(TIMER2);
+    timer_deinit(US_TRAN_TIMER);
 
     timer_struct_para_init(&timer_initpara);
     timer_initpara.prescaler          = 0;
@@ -80,7 +74,7 @@ void ultrasonic_timer_config(void)
     timer_initpara.counterdirection   = TIMER_COUNTER_UP;
     timer_initpara.period             = 239;
     timer_initpara.clockdivision      = TIMER_CKDIV_DIV1;
-    timer_init(TIMER2, &timer_initpara);
+    timer_init(US_TRAN_TIMER, &timer_initpara);
 
     timer_channel_output_struct_para_init(&timer_ocinitpara);
     timer_ocinitpara.outputstate  =TIMER_CCX_ENABLE;
@@ -89,42 +83,122 @@ void ultrasonic_timer_config(void)
     timer_ocinitpara.ocnpolarity  =TIMER_OCN_POLARITY_HIGH;
     timer_ocinitpara.ocidlestate  =TIMER_OC_IDLE_STATE_LOW;
     timer_ocinitpara.ocnidlestate =TIMER_OCN_IDLE_STATE_LOW;
-    timer_channel_output_config(TIMER2, TIMER_CH_3, &timer_ocinitpara);
+    timer_channel_output_config(US_TRAN_TIMER, US_TRAN_CH, &timer_ocinitpara);
 
-    timer_channel_output_pulse_value_config(TIMER2, TIMER_CH_3, 120);
+    timer_channel_output_pulse_value_config(US_TRAN_TIMER, US_TRAN_CH, 120);
-    timer_channel_output_mode_config(TIMER2, TIMER_CH_3, TIMER_OC_MODE_PWM0);
+    timer_channel_output_mode_config(US_TRAN_TIMER, US_TRAN_CH, TIMER_OC_MODE_PWM0);
-    timer_auto_reload_shadow_enable(TIMER2);
+    timer_auto_reload_shadow_enable(US_TRAN_TIMER);
 
-    timer_interrupt_enable(TIMER2, TIMER_INT_UP);
+    timer_interrupt_enable(US_TRAN_TIMER, TIMER_INT_UP);
-    // nvic_irq_enable(TIMER2_IRQn, 1);
-    // timer_enable(TIMER2);
 }
 
-void ultrasonic_config(void) {
+void ultrasonic_transmit_config(void) {
     led_config();
     usart_config();
-    ultrasonic_gpio_config();
+    ultrasonic_config();
-    ultrasonic_timer_config();
 }
 
 void ultrasonic_pwm_out_cycles(uint8_t cycles) {
     uint8_t current_cycle = 0;
 
-    timer_channel_output_pulse_value_config(TIMER2, TIMER_CH_3, 120);
+    timer_channel_output_pulse_value_config(US_TRAN_TIMER, US_TRAN_CH, 120);
-    timer_channel_output_mode_config(TIMER2, TIMER_CH_3, TIMER_OC_MODE_PWM1);
+    timer_channel_output_mode_config(US_TRAN_TIMER, US_TRAN_CH, TIMER_OC_MODE_PWM1);
-    timer_enable(TIMER2);
+    timer_enable(US_TRAN_TIMER);
+
+    timer_enable(TIMER15);
 
     while (current_cycle < cycles)
     {
-        while (!timer_interrupt_flag_get(TIMER2, TIMER_INT_FLAG_UP));
+        while (!timer_interrupt_flag_get(US_TRAN_TIMER, TIMER_INT_FLAG_UP));
-        timer_interrupt_flag_clear(TIMER2, TIMER_INT_FLAG_UP);
+        timer_interrupt_flag_clear(US_TRAN_TIMER, TIMER_INT_FLAG_UP);
         current_cycle ++;
     }
     // delay_nop();
-    timer_disable(TIMER2);
+    timer_disable(US_TRAN_TIMER);
     // if(gpio_output_bit_get(GPIOB, GPIO_PIN_1) == SET)
     // {
     //     gpio_bit_reset(GPIOB, GPIO_PIN_1);
     // }
 }
 
+void ultrasonic_transmit_delay(void) {
+    rcu_periph_clock_enable(RCU_GPIOA);
+
+    /*
+     * GPIO Init will be delete when the project is ready
+     */
+    gpio_mode_set(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_7);
+    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_7);
+    gpio_bit_write(GPIOA, GPIO_PIN_7, SET);
+    /******************************************/
+
+    rcu_periph_clock_enable(RCU_TIMER15);
+    timer_deinit(TIMER15);
+
+    timer_parameter_struct timer_initpara;
+    timer_struct_para_init(&timer_initpara);
+    timer_initpara.prescaler         =71;
+    timer_initpara.alignedmode       =TIMER_COUNTER_EDGE;
+    timer_initpara.counterdirection  =TIMER_COUNTER_UP;
+    timer_initpara.period            =230 - 1;
+    timer_initpara.clockdivision     =TIMER_CKDIV_DIV1;
+    timer_initpara.repetitioncounter =0;
+    timer_init(TIMER15, &timer_initpara);
+
+    timer_auto_reload_shadow_enable(TIMER15);  //使能自动影子重载
+    timer_interrupt_enable(TIMER15, TIMER_INT_UP);  // 使能自动重载中断
+    nvic_irq_enable(TIMER15_IRQn, 2U);
+}
+
+void recevice_exti_config(void) {
+    rcu_periph_clock_enable(RCU_GPIOA);
+    rcu_periph_clock_enable(RCU_CFGCMP);
+
+    /*
+     * GPIO Init will be delete when the project is ready
+     */
+    gpio_mode_set(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_5);
+    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_5);
+    gpio_bit_write(GPIOA, GPIO_PIN_5, SET);
+    /******************************************/
+
+    // exti_deinit();
+
+    gpio_mode_set(GPIOA, GPIO_MODE_INPUT, GPIO_PUPD_NONE, GPIO_PIN_0);
+    nvic_irq_enable(EXTI0_1_IRQn, 1U);
+    syscfg_exti_line_config(EXTI_SOURCE_GPIOA, EXTI_SOURCE_PIN0);
+
+    exti_init(EXTI_0, EXTI_INTERRUPT, EXTI_TRIG_FALLING);
+    exti_flag_clear(EXTI_0);
+
+    exti_interrupt_enable(EXTI_0);
+}
+
+void ultrasonic_echo_timer_config(void)
+{
+    rcu_periph_clock_enable(RCU_TIMER14);
+    timer_deinit(TIMER14);
+
+    timer_parameter_struct timer_initpara;
+    timer_struct_para_init(&timer_initpara);
+    timer_initpara.prescaler         =71;
+    timer_initpara.alignedmode       =TIMER_COUNTER_EDGE;
+    timer_initpara.counterdirection  =TIMER_COUNTER_UP;
+    timer_initpara.period            =65535;
+    timer_initpara.clockdivision     =TIMER_CKDIV_DIV1;
+    timer_initpara.repetitioncounter =0;
+    timer_init(TIMER14, &timer_initpara);
+
+    timer_ic_parameter_struct timer_icinitpara;
+    timer_channel_input_struct_para_init(&timer_icinitpara);
+    timer_icinitpara.icpolarity = TIMER_IC_POLARITY_RISING;
+    timer_icinitpara.icselection = TIMER_IC_SELECTION_DIRECTTI;
+    timer_icinitpara.icprescaler = TIMER_IC_PSC_DIV1;
+    timer_icinitpara.icfilter = 0x03; // 设置滤波器
+    timer_input_capture_config(TIMER14, TIMER_CH_0, &timer_icinitpara);
+
+    timer_interrupt_enable(TIMER0, TIMER_INT_UP);
+    nvic_irq_enable(TIMER15_IRQn, 0U);
+
+    // timer_enable(TIMER0);
+}