change ultrasonic transmit cycles function & transmit delay function input parameter from void to const uint16_t

about_template.md

@@ -15,7 +15,6 @@ set(TARGET_C_SRC
         ${CMAKE_SOURCE_DIR}/src/main.c
         ${CMAKE_SOURCE_DIR}/src/gd32e23x_it.c
         ${CMAKE_SOURCE_DIR}/src/systick.c
-        ${CMAKE_SOURCE_DIR}/src/peripheral.c
 )
 ```
 ## 关于链接脚本

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

@@ -10,8 +10,9 @@
 #define LED_PORT            GPIOA
 #define LED_PIN             GPIO_PIN_9
 #define LED_RCU             RCU_GPIOA
-#define LED_TIMER           TIMER16
+#define LED_TIMER_RCU       RCU_TIMER5
-#define LED_IRQ             TIMER16_IRQn
+#define LED_TIMER           TIMER5
+#define LED_IRQ             TIMER5_IRQn
 
 #define USART_RCU           RCU_USART0
 #define USART_GPIO_RCU      RCU_GPIOA
@@ -34,10 +35,10 @@ 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_pwm_out_cycles(const uint8_t cycles);
 
 
-void ultrasonic_transmit_delay(void);
+void ultrasonic_transmit_delay(const uint16_t micro_second);
 void recevice_exti_config(void);
 void ultrasonic_echo_timer_config(void);
 

src/gd32e23x_it.c

@@ -35,6 +35,9 @@ OF SUCH DAMAGE.
 #include "gd32e23x_it.h"
 #include "main.h"
 #include "systick.h"
+#include "ultrasonic_driver.h"
+
+__IO uint32_t capture_value;
 
 /*!
     \brief      this function handles NMI exception
@@ -98,20 +101,18 @@ void SysTick_Handler(void)
 {
 }
 
-void TIMER16_IRQHandler(void) {
+void TIMER5_IRQHandler(void) {
-    if (timer_interrupt_flag_get(TIMER16, TIMER_INT_FLAG_UP) == SET)
+    if (timer_interrupt_flag_get(LED_TIMER, TIMER_INT_FLAG_UP) == SET)
     {
-        timer_interrupt_flag_clear(TIMER16, TIMER_INT_FLAG_UP);
+        timer_interrupt_flag_clear(LED_TIMER, 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(LED_PORT, LED_PIN, RESET);
-            gpio_bit_write(GPIOA, GPIO_PIN_9, RESET);
+        timer_autoreload_value_config(LED_TIMER, 19200);
-            timer_autoreload_value_config(TIMER16, 19200);
         } else {
-            //! turn off led & reconfig timer13 period to 1000(100ms)
+        gpio_bit_write(LED_PORT, LED_PIN, SET);
-            gpio_bit_write(GPIOA, GPIO_PIN_9, SET);
+        timer_autoreload_value_config(LED_TIMER, 800);
-            timer_autoreload_value_config(TIMER16, 800);
         }
         led_status = !led_status;
     }

src/main.c

@@ -12,7 +12,8 @@
 
 #include "ultrasonic_driver.h"
 
-#define ULTRASONIC_CYCLES 0x05U
+#define ULTRASONIC_CYCLES     0x05U
+#define ULTRASONIC_TRAN_US    50  // (ms)
 
 /*!
     \brief      main function
@@ -47,7 +48,7 @@ int main(void)
 
     while(1)
     {
-        delay_ms(50);
+        delay_ms(ULTRASONIC_TRAN_US);
         ultrasonic_pwm_out_cycles(ULTRASONIC_CYCLES);
         // printf("Send ultra sonic driver signal!\r\n");
     }

src/peripheral.c

@@ -1,63 +0,0 @@
-//
-// Created by yelv1 on 24-9-22.
-//
-#include "peripheral.h"
-#include "gd32e23x.h"
-
-void usart_config(void)
-{
-    rcu_periph_clock_enable(RCU_GPIOA);
-    rcu_periph_clock_enable(RCU_USART0);
-
-    gpio_af_set(GPIOA, GPIO_AF_1, GPIO_PIN_3);
-    gpio_af_set(GPIOA, GPIO_AF_1, GPIO_PIN_2);
-
-    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);
-    gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO_PIN_2);
-    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, GPIO_PIN_2);
-
-    usart_deinit(USART0);
-    usart_baudrate_set(USART0, 115200U);
-    usart_receive_config(USART0, USART_RECEIVE_ENABLE);
-    usart_transmit_config(USART0, USART_TRANSMIT_ENABLE);
-
-    usart_enable(USART0);
-
-    gpio_mode_set(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_4);
-    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_4);
-
-    gpio_bit_write(GPIOA, GPIO_PIN_4, SET);
-}
-
-/*!
-    \brief      led blink configuration
-    \param[in]  none
-    \param[out] none
-    \retval     none
-*/
-void led_blink_config(void)
-{
-    rcu_periph_clock_enable(RCU_GPIOB);
-
-    gpio_mode_set(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_1);
-    gpio_output_options_set(GPIOB, GPIO_OTYPE_OD, GPIO_OSPEED_50MHZ, GPIO_PIN_1);
-    gpio_bit_write(GPIOB, GPIO_PIN_1, 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(TIMER13, &timer_initpara);
-
-    timer_auto_reload_shadow_enable(TIMER13);
-    timer_interrupt_enable(TIMER13, TIMER_INT_UP);
-    nvic_irq_enable(TIMER13_IRQn, 0);
-    timer_enable(TIMER13);
-}

src/ultrasonic_driver.c

@@ -6,8 +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);
@@ -16,8 +14,8 @@ void led_config(void)
     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);
+    rcu_periph_clock_enable(LED_TIMER_RCU);
-    timer_deinit(RCU_TIMER13);
+    timer_deinit(LED_TIMER);
 
     timer_parameter_struct timer_initpara;
     timer_struct_para_init(&timer_initpara);
@@ -30,8 +28,10 @@ void led_config(void)
 
     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);
+
+    nvic_irq_enable(LED_IRQ, 0);
 }
 
 void usart_config(void)
@@ -98,7 +98,7 @@ void ultrasonic_transmit_config(void) {
     ultrasonic_config();
 }
 
-void ultrasonic_pwm_out_cycles(uint8_t cycles) {
+void ultrasonic_pwm_out_cycles(const uint8_t cycles) {
     uint8_t current_cycle = 0;
 
     timer_channel_output_pulse_value_config(US_TRAN_TIMER, US_TRAN_CH, 120);
@@ -121,7 +121,7 @@ void ultrasonic_pwm_out_cycles(uint8_t cycles) {
     // }
 }
 
-void ultrasonic_transmit_delay(void) {
+void ultrasonic_transmit_delay(const uint16_t micro_second) {
     rcu_periph_clock_enable(RCU_GPIOA);
 
     /*
@@ -140,7 +140,7 @@ void ultrasonic_transmit_delay(void) {
     timer_initpara.prescaler         =71;
     timer_initpara.alignedmode       =TIMER_COUNTER_EDGE;
     timer_initpara.counterdirection  =TIMER_COUNTER_UP;
-    timer_initpara.period            =230 - 1;
+    timer_initpara.period            =micro_second - 1;
     timer_initpara.clockdivision     =TIMER_CKDIV_DIV1;
     timer_initpara.repetitioncounter =0;
     timer_init(TIMER15, &timer_initpara);