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

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This commit is contained in:
yelvlab 2024-09-24 00:41:12 +08:00
parent 899773fe1e
commit 0dbf154070
7 changed files with 152 additions and 140 deletions
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3
inc/input_capture_exp.h
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@ -5,4 +5,7 @@
#ifndef INPUT_CAPTURE_EXP_H
#define INPUT_CAPTURE_EXP_H
void input_capture_config(void);
void pwm_config(void);
#endif //INPUT_CAPTURE_EXP_H

11
inc/peripheral.h
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@ -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

18
inc/ultrasonic_driver.h
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@ -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 TIMER13
#define LED_IRQ TIMER13_IRQn
#define USART_RCU RCU_USART0
#define USART_GPIO_RCU RCU_GPIOA
#define USARET_GPIO_PORT GPIOA
@ -21,18 +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_RCU RCU_TIMER2
#define US_TRAN_TIMER TIMER2
#define US_TRAN_CH TIMER_CH_3
void led_config(void);
void usart_config(void);
void ultrasonic_config(void);
void ultrasonic_peripheral_config(void);
void ultrasonic_pwm_out_cycles(uint8_t cycles);
#endif //ULTRASONIC_DRIVER_H

17
src/gd32e23x_it.c
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@ -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;
}
}

144
src/input_capture_exp.c
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@ -5,3 +5,147 @@
#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);
}

4
src/main.c
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@ -11,6 +11,7 @@
#include "gd32e23x_libopt.h"
#include "ultrasonic_driver.h"
#include "input_capture_exp.h"
#define ULTRASONIC_CYCLES 0x05U
@ -27,6 +28,9 @@ int main(void)
/* configure ultrasonic board hardware */
// ultrasonic_config();
usart_config();
input_capture_config();
pwm_config();
/* ---------- debug start ---------- */

95
src/ultrasonic_driver.c
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@ -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, 0);
timer_enable(LED_TIMER);
}
void usart_config(void)
{
rcu_periph_clock_enable(USART_GPIO_RCU);
@ -53,70 +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, GPIO_AF_1, 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);
// nvic_irq_enable(TIMER2_IRQn, 1);
// timer_enable(TIMER2);
}
void ultrasonic_peripheral_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);
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);
// }
}