for test input capture PA9->PA6 TIMER0->TIMER2

fix include file name err
开发进行中：添加输入捕获实验支持
2024-09-24 00:41:12 +08:00 · 2024-09-23 21:44:45 +08:00 · 2024-09-23 21:01:30 +08:00
9 changed files with 202 additions and 164 deletions
--- a/CMakeLists.txt
+++ b/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})
--- a/inc/input_capture_exp.h
+++ b/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
--- a/inc/peripheral.h
+++ b/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
--- a/inc/ultrasonic_driver.h
+++ b/inc/ultrasonic_driver.h
@ -0,0 +1,20 @@
+//
+// Created by dell on 24-9-23.
+//
+
+#ifndef ULTRASONIC_DRIVER_H
+#define ULTRASONIC_DRIVER_H
+
+#include "gd32e23x.h"
+
+#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
+
+void usart_config(void);
+
+#endif //ULTRASONIC_DRIVER_H
--- a/inc/usonic_driver.h
+++ b/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
--- a/src/gd32e23x_it.c
+++ b/src/gd32e23x_it.c
@ -99,20 +99,5 @@ void SysTick_Handler(void)
 }

 void TIMER13_IRQHandler(void) {
-    if (timer_interrupt_flag_get(TIMER13, TIMER_INT_FLAG_UP) == SET)
-    {
-        timer_interrupt_flag_clear(TIMER13, 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);
-        } else {
-            //! turn off led & reconfig timer13 period to 1000(100ms)
-            gpio_bit_write(GPIOA, GPIO_PIN_9, SET);
-            timer_autoreload_value_config(TIMER13, 800);
-        }
-        led_status = !led_status;
-    }
+
 }
--- a/src/input_capture_exp.c
+++ b/src/input_capture_exp.c
@ -0,0 +1,151 @@
+//
+// 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)
+{
+    rcu_periph_clock_enable(RCU_GPIOB);
+
+    gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_1);
+    gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_1);
+    gpio_af_set(GPIOB, GPIO_AF_0, GPIO_PIN_1);
+
+    timer_oc_parameter_struct timer_ocinitpara;
+    timer_parameter_struct    timer_initpara;
+
+    rcu_periph_clock_enable(RCU_TIMER13);
+    timer_deinit(TIMER13);
+
+    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(TIMER13, &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(TIMER13, TIMER_CH_0, &timer_ocinitpara);
+
+    timer_channel_output_pulse_value_config(TIMER13, TIMER_CH_0, 500);
+    timer_channel_output_mode_config(TIMER13, TIMER_CH_0, TIMER_OC_MODE_PWM0);
+    timer_auto_reload_shadow_enable(TIMER13);
+
+    // timer_interrupt_enable(TIMER13, TIMER_INT_UP);
+    // nvic_irq_enable(TIMER13_IRQn, 1);
+    timer_enable(TIMER13);
+/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/
+    rcu_periph_clock_enable(RCU_GPIOA);
+
+    gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_10);
+    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_10);
+    gpio_af_set(GPIOA, GPIO_AF_2, GPIO_PIN_10);
+
+    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);
+
+    // timer_oc_parameter_struct timer_ocinitpara;
+    // timer_parameter_struct    timer_initpara;
+
+    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_2, &timer_ocinitpara);
+    timer_channel_output_config(TIMER0, TIMER_CH_1, &timer_ocinitpara);
+
+    timer_channel_output_pulse_value_config(TIMER0, TIMER_CH_2, 500);
+    timer_channel_output_mode_config(TIMER0, TIMER_CH_2, TIMER_OC_MODE_PWM0);
+    timer_channel_output_shadow_config(TIMER0, TIMER_CH_2, TIMER_OC_SHADOW_DISABLE);
+
+    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);
+}
--- a/src/main.c
+++ b/src/main.c
@ -10,7 +10,8 @@
 #include "systick.h"
 #include "gd32e23x_libopt.h"

-#include "usonic_driver.h"
+#include "ultrasonic_driver.h"
+#include "input_capture_exp.h"

 #define ULTRASONIC_CYCLES 0x05U

@ -25,8 +26,11 @@ int main(void)
    /* configure systick */
    systick_config();
    /* configure ultrasonic board hardware */
-    ultrasonic_config();
+    // ultrasonic_config();
+    usart_config();
+    input_capture_config();

+    pwm_config();

    /* ---------- debug start ---------- */

@ -43,9 +47,7 @@ int main(void)

    while(1)
    {
-        delay_ms(50);
-        ultrasonic_pwm_out_cycles(ULTRASONIC_CYCLES);
-        // printf("Send ultra sonic driver signal!\r\n");
+
    }
 }

--- a/src/ultrasonic_driver.c
+++ b/src/ultrasonic_driver.c
@ -2,129 +2,26 @@
 // Created by dell on 24-9-23.
 //

-#include "usonic_driver.h"
+#include "ultrasonic_driver.h"
 #include "gd32e23x.h"
 #include "systick.h"

-uint8_t speed_pwm = 30;              //bldc default pwm is 30
-
-void led_config(void)
-{
-    rcu_periph_clock_enable(RCU_GPIOA);
-
-    gpio_mode_set(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_9);
-    gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_9);
-    gpio_bit_write(GPIOA, GPIO_PIN_9, 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);
-}
-
 void usart_config(void)
 {
-    rcu_periph_clock_enable(RCU_GPIOA);
-    rcu_periph_clock_enable(RCU_USART0);
+    rcu_periph_clock_enable(USART_GPIO_RCU);
+    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_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, 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(USARET_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, USART_TX_PIN | USART_RX_PIN);
+    gpio_output_options_set(USARET_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, USART_TX_PIN | USART_RX_PIN);

    /* USART configure */
-    usart_deinit(USART0);
-    usart_baudrate_set(USART0, 115200U);
-    usart_receive_config(USART0, USART_RECEIVE_ENABLE);
-    usart_transmit_config(USART0, USART_TRANSMIT_ENABLE);
+    usart_deinit(USART0_PHY);
+    usart_baudrate_set(USART0_PHY, USART_BAUDRATE);
+    usart_receive_config(USART0_PHY, USART_RECEIVE_ENABLE);
+    usart_transmit_config(USART0_PHY, USART_TRANSMIT_ENABLE);

-    usart_enable(USART0);
+    usart_enable(USART0_PHY);
 }
-
-void ultrasonic_gpio_config(void)
-{
-    rcu_periph_clock_enable(RCU_GPIOB);
-
-    gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_1);
-    gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_1);
-    gpio_af_set(GPIOB, GPIO_AF_1, GPIO_PIN_1);
-}
-
-void ultrasonic_timer_config(void)
-{
-    timer_oc_parameter_struct timer_ocinitpara;
-    timer_parameter_struct    timer_initpara;
-
-    rcu_periph_clock_enable(RCU_TIMER2);
-    timer_deinit(TIMER2);
-
-    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(TIMER2, &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(TIMER2, TIMER_CH_3, &timer_ocinitpara);
-
-    timer_channel_output_pulse_value_config(TIMER2, TIMER_CH_3, 120);
-    timer_channel_output_mode_config(TIMER2, TIMER_CH_3, TIMER_OC_MODE_PWM0);
-    timer_auto_reload_shadow_enable(TIMER2);
-
-    timer_interrupt_enable(TIMER2, TIMER_INT_UP);
-    // nvic_irq_enable(TIMER2_IRQn, 1);
-    // timer_enable(TIMER2);
-}
-
-void ultrasonic_config(void) {
-    led_config();
-    usart_config();
-    ultrasonic_gpio_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_mode_config(TIMER2, TIMER_CH_3, TIMER_OC_MODE_PWM1);
-    timer_enable(TIMER2);
-
-    while (current_cycle < cycles)
-    {
-        while (!timer_interrupt_flag_get(TIMER2, TIMER_INT_FLAG_UP));
-        timer_interrupt_flag_clear(TIMER2, TIMER_INT_FLAG_UP);
-        current_cycle ++;
-    }
-    // delay_nop();
-    timer_disable(TIMER2);
-    // if(gpio_output_bit_get(GPIOB, GPIO_PIN_1) == SET)
-    // {
-    //     gpio_bit_reset(GPIOB, GPIO_PIN_1);
-    // }
-}
-