clean shit

在ultrasonic_driver项目中，此次提交标志着向主目录添加新的源文件和头文件，旨在支持输入捕获实验。修改了CMakeLists.txt以包含新的input_capture_exp.c文件，同时在src和inc目录下分别创建了相应的源码和头文件。此外，此次提交还引入了输入捕获相关的硬件配置和初始化例程，为后续的功能开发和测试奠定了基础。

CMakeLists.txt

@@ -19,6 +19,7 @@ set(TARGET_C_SRC
         ${CMAKE_SOURCE_DIR}/src/gd32e23x_it.c
         ${CMAKE_SOURCE_DIR}/src/systick.c
         ${CMAKE_SOURCE_DIR}/src/ultrasonic_driver.c
+        ${CMAKE_SOURCE_DIR}/src/input_capture_exp.c
 )
 
 add_executable(xlsw_3dp_ultrasonic_300K ${TARGET_C_SRC})

inc/input_capture_exp.h

@@ -0,0 +1,11 @@
+//
+// Created by yelv1 on 24-9-23.
+//
+
+#ifndef INPUT_CAPTURE_EXP_H
+#define INPUT_CAPTURE_EXP_H
+
+void input_capture_config(void);
+void pwm_config(void);
+
+#endif //INPUT_CAPTURE_EXP_H

inc/peripheral.h

@@ -1,11 +0,0 @@
-//
-// Created by yelv1 on 24-9-22.
-//
-
-#ifndef PERIPHERAL_H
-#define PERIPHERAL_H
-
-void usart_config(void);
-void led_blink_config(void);
-
-#endif //PERIPHERAL_H

inc/ultrasonic_driver.h

@@ -7,12 +7,6 @@
 
 #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
@@ -21,24 +15,6 @@
 #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);
 
-
+#endif //ULTRASONIC_DRIVER_H
-void ultrasonic_transmit_delay(void);
-void recevice_exti_config(void);
-void ultrasonic_echo_timer_config(void);
-
-#endif //ULTRASONIC_DRIVER_H

src/gd32e23x_it.c

@@ -98,68 +98,6 @@ void SysTick_Handler(void)
 {
 }
 
-void TIMER16_IRQHandler(void) {
+void TIMER2_IRQHandler(void) {
-    if (timer_interrupt_flag_get(TIMER16, TIMER_INT_FLAG_UP) == SET)
-    {
-        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(TIMER16, 19200);
-        } else {
-            //! turn off led & reconfig timer13 period to 1000(100ms)
-            gpio_bit_write(GPIOA, GPIO_PIN_9, SET);
-            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/input_capture_exp.c

@@ -0,0 +1,105 @@
+//
+// Created by yelv1 on 24-9-23.
+//
+
+#include "input_capture_exp.h"
+#include "gd32e23x.h"
+
+/*
+ * TIMER0-CH2(PA9) output 1K 50%duty
+ * TIMER2 CH0(PA6) input capture
+ */
+
+void input_capture_config(void)
+{
+    rcu_periph_clock_enable(RCU_GPIOA);
+
+    gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_6);
+    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_6);
+    gpio_af_set(GPIOA, GPIO_AF_1, GPIO_PIN_6);
+
+    timer_ic_parameter_struct timer_icinitpara;
+    timer_parameter_struct timer_initpara;
+
+    /* enable the TIMER clock */
+    rcu_periph_clock_enable(RCU_TIMER2);
+    /* disable a TIMER */
+    timer_deinit(TIMER2);
+    /* initialize TIMER init parameter struct */
+    timer_struct_para_init(&timer_initpara);
+    /* TIMER2 configuration */
+    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_init(TIMER2, &timer_initpara);
+
+    /* TIMER2  configuration */
+    /* initialize TIMER channel input parameter struct */
+    timer_channel_input_struct_para_init(&timer_icinitpara);
+    /* TIMER2 CH0 input capture configuration */
+    timer_icinitpara.icpolarity  = TIMER_IC_POLARITY_RISING;
+    timer_icinitpara.icselection = TIMER_IC_SELECTION_DIRECTTI;
+    timer_icinitpara.icprescaler = TIMER_IC_PSC_DIV1;
+    timer_icinitpara.icfilter    = 0x0;
+    timer_input_capture_config(TIMER2,TIMER_CH_0,&timer_icinitpara);
+
+    /* auto-reload preload enable */
+    timer_auto_reload_shadow_enable(TIMER2);
+    /* clear channel 0 interrupt bit */
+    timer_interrupt_flag_clear(TIMER2,TIMER_INT_FLAG_CH0);
+    /* channel 0 interrupt enable */
+    timer_interrupt_enable(TIMER2,TIMER_INT_CH0);
+
+    /* TIMER2 counter enable */
+    timer_enable(TIMER2);
+
+    nvic_irq_enable(TIMER2_IRQn, 0);
+}
+
+/*
+ * GPIOB-1 PWM output
+ * TIMER13_CH0(AF0)
+ */
+void pwm_config(void)
+{
+    timer_oc_parameter_struct timer_ocinitpara;
+    timer_parameter_struct    timer_initpara;
+
+    rcu_periph_clock_enable(RCU_GPIOA);
+
+    gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_9);
+    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_9);
+    gpio_af_set(GPIOA, GPIO_AF_2, GPIO_PIN_9);
+
+    rcu_periph_clock_enable(RCU_TIMER0);
+    timer_deinit(TIMER0);
+
+    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            = 999;
+    timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
+    timer_init(TIMER0, &timer_initpara);
+
+    timer_channel_output_struct_para_init(&timer_ocinitpara);
+    timer_ocinitpara.outputstate  = TIMER_CCX_ENABLE;
+    timer_ocinitpara.outputnstate  = TIMER_CCXN_DISABLE;
+    timer_ocinitpara.ocpolarity   = TIMER_OC_POLARITY_HIGH;
+    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(TIMER0, TIMER_CH_1, &timer_ocinitpara);
+
+    timer_channel_output_pulse_value_config(TIMER0, TIMER_CH_1, 500);
+    timer_channel_output_mode_config(TIMER0, TIMER_CH_1, TIMER_OC_MODE_PWM1);
+    timer_channel_output_shadow_config(TIMER0, TIMER_CH_1, TIMER_OC_SHADOW_DISABLE);
+
+    timer_primary_output_config(TIMER0, ENABLE);
+
+    timer_auto_reload_shadow_enable(TIMER0);
+
+    timer_enable(TIMER0);
+}

src/main.c

@@ -11,6 +11,7 @@
 #include "gd32e23x_libopt.h"
 
 #include "ultrasonic_driver.h"
+#include "input_capture_exp.h"
 
 #define ULTRASONIC_CYCLES 0x05U
 
@@ -25,14 +26,15 @@ int main(void)
     /* configure systick */
     systick_config();
     /* configure ultrasonic board hardware */
-    ultrasonic_transmit_config();
+    // ultrasonic_config();
-
+    usart_config();
+    input_capture_config();
 
+    pwm_config();
 
     /* ---------- debug start ---------- */
-    ultrasonic_transmit_delay();
+
-    recevice_exti_config();
+
-    ultrasonic_echo_timer_config();
 
 
 
@@ -40,16 +42,14 @@ int main(void)
 
     printf("\r\n");
     printf("START!\r\n");
-    printf("XLSW-3DP-UltraSonic Analog 300K!\r\n");
+    printf("Input Capture Test!\r\n");
     printf("\r\n");
 
-    delay_ms(2000);
-
     while(1)
     {
-        delay_ms(50);
+        printf("Input Capture Test!\r\n");
-        ultrasonic_pwm_out_cycles(ULTRASONIC_CYCLES);
+        delay_ms(500);
-        // printf("Send ultra sonic driver signal!\r\n");
+
     }
 }
 

src/ultrasonic_driver.c

@@ -6,34 +6,6 @@
 #include "gd32e23x.h"
 #include "systick.h"
 
-uint8_t speed_pwm = 30;              //bldc default pwm is 30
-
-void led_config(void)
-{
-    rcu_periph_clock_enable(LED_RCU);
-
-    gpio_mode_set(LED_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED_PIN);
-    gpio_output_options_set(LED_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED_PIN);
-    gpio_bit_write(LED_PORT, LED_PIN, SET);
-
-    rcu_periph_clock_enable(RCU_TIMER13);
-    timer_deinit(RCU_TIMER13);
-
-    timer_parameter_struct timer_initpara;
-    timer_struct_para_init(&timer_initpara);
-    timer_initpara.prescaler        =7199;
-    timer_initpara.alignedmode      =TIMER_COUNTER_EDGE;
-    timer_initpara.counterdirection =TIMER_COUNTER_UP;
-    timer_initpara.period           =999;
-    timer_initpara.clockdivision    =TIMER_CKDIV_DIV1;
-    timer_init(LED_TIMER, &timer_initpara);
-
-    timer_auto_reload_shadow_enable(LED_TIMER);
-    timer_interrupt_enable(LED_TIMER, TIMER_INT_UP);
-    nvic_irq_enable(LED_IRQ, 3);
-    timer_enable(LED_TIMER);
-}
-
 void usart_config(void)
 {
     rcu_periph_clock_enable(USART_GPIO_RCU);
@@ -53,152 +25,3 @@ void usart_config(void)
 
     usart_enable(USART0_PHY);
 }
-
-void ultrasonic_config(void)
-{
-    rcu_periph_clock_enable(US_TRAN_GPIO_RCU);
-
-    gpio_mode_set(US_TRAN_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_NONE, US_TRAN_PIN);
-    gpio_output_options_set(US_TRAN_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, US_TRAN_PIN);
-    gpio_af_set(US_TRAN_GPIO_PORT, US_TRAN_AF, US_TRAN_PIN);
-
-    timer_oc_parameter_struct timer_ocinitpara;
-    timer_parameter_struct    timer_initpara;
-
-    rcu_periph_clock_enable(US_TRAN_RCU);
-    timer_deinit(US_TRAN_TIMER);
-
-    timer_struct_para_init(&timer_initpara);
-    timer_initpara.prescaler          = 0;
-    timer_initpara.alignedmode        = TIMER_COUNTER_EDGE;
-    timer_initpara.counterdirection   = TIMER_COUNTER_UP;
-    timer_initpara.period             = 239;
-    timer_initpara.clockdivision      = TIMER_CKDIV_DIV1;
-    timer_init(US_TRAN_TIMER, &timer_initpara);
-
-    timer_channel_output_struct_para_init(&timer_ocinitpara);
-    timer_ocinitpara.outputstate  =TIMER_CCX_ENABLE;
-    timer_ocinitpara.outputnstate =TIMER_CCXN_DISABLE;
-    timer_ocinitpara.ocpolarity   =TIMER_OC_POLARITY_HIGH;
-    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(US_TRAN_TIMER, US_TRAN_CH, &timer_ocinitpara);
-
-    timer_channel_output_pulse_value_config(US_TRAN_TIMER, US_TRAN_CH, 120);
-    timer_channel_output_mode_config(US_TRAN_TIMER, US_TRAN_CH, TIMER_OC_MODE_PWM0);
-    timer_auto_reload_shadow_enable(US_TRAN_TIMER);
-
-    timer_interrupt_enable(US_TRAN_TIMER, TIMER_INT_UP);
-}
-
-void ultrasonic_transmit_config(void) {
-    led_config();
-    usart_config();
-    ultrasonic_config();
-}
-
-void ultrasonic_pwm_out_cycles(uint8_t cycles) {
-    uint8_t current_cycle = 0;
-
-    timer_channel_output_pulse_value_config(US_TRAN_TIMER, US_TRAN_CH, 120);
-    timer_channel_output_mode_config(US_TRAN_TIMER, US_TRAN_CH, TIMER_OC_MODE_PWM1);
-    timer_enable(US_TRAN_TIMER);
-
-    timer_enable(TIMER15);
-
-    while (current_cycle < cycles)
-    {
-        while (!timer_interrupt_flag_get(US_TRAN_TIMER, TIMER_INT_FLAG_UP));
-        timer_interrupt_flag_clear(US_TRAN_TIMER, TIMER_INT_FLAG_UP);
-        current_cycle ++;
-    }
-    // delay_nop();
-    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);
-}