hulk/xlsw_3dp_ultrasonic_300K
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 2 Wiki Activity

constants replaced with macro definition

Browse Source
This commit is contained in:
yelvlab 2024-09-25 17:22:55 +08:00
parent 7cb354967c
commit b6b6932c08
3 changed files with 55 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
inc/ultrasonic_driver.h
View File

@ -7,6 +7,9 @@
#include "gd32e23x.h"
#define ULTRASONIC_CYCLES 0x05U
#define ULTRASONIC_TRAN_US 100 // (ms)
#define LED_PORT GPIOA
#define LED_PIN GPIO_PIN_9
#define LED_RCU RCU_GPIOA
@ -14,22 +17,39 @@
#define LED_TIMER TIMER5
#define LED_IRQ TIMER5_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 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_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
#define US_TRAN_RCU RCU_TIMER13
#define US_TRAN_TIMER TIMER13
#define US_TRAN_CH TIMER_CH_0
#define US_TRAN_DELAY_RCU RCU_TIMER15
#define US_TRAN_DELAY_TIMER TIMER15
#define US_FB_GPIO_RCU RCU_GPIOA
#define US_FB_EXTI_RCU RCU_CFGCMP
#define US_FB_GPIO_PORT GPIOA
#define US_FB_GPIO_PIN GPIO_PIN_0
#define US_FB_EXTI_IRQ EXTI0_1_IRQn
#define US_FB_GPIO_EXTI EXTI_0
#define US_ECHO_RCU RCU_TIMER16
#define US_ECHO_TIMER TIMER16
#define US_ECHO_CH TIMER_CH_0
#define SOUND_SPEED 340 // m/s
#define TIME_CORRECTION_US 250
void led_config(void);
void usart_config(void);
@ -42,4 +62,6 @@ void ultrasonic_transmit_delay(const uint16_t micro_second);
void recevice_exti_config(void);
void ultrasonic_echo_timer_config(void);
uint16_t calculate_distance(uint32_t us_value);
#endif //ULTRASONIC_DRIVER_H

11
src/main.c
View File

@ -12,9 +12,6 @@
#include "ultrasonic_driver.h"
#define ULTRASONIC_CYCLES 0x05U
#define ULTRASONIC_TRAN_US 50 // (ms)
extern uint32_t capture_value;
/*!
@ -30,13 +27,13 @@ int main(void)
/* configure ultrasonic board hardware */
ultrasonic_transmit_config();
/* ---------- debug start ---------- */
ultrasonic_transmit_delay(250);
ultrasonic_transmit_delay(TIME_CORRECTION_US);
recevice_exti_config();
ultrasonic_echo_timer_config();
/* ---------- debug start ---------- */
/* ---------- debug end ---------- */

34
src/ultrasonic_driver.c
View File

@ -122,10 +122,8 @@ void ultrasonic_pwm_out_cycles(const uint8_t cycles) {
}
void ultrasonic_transmit_delay(const uint16_t micro_second) {
rcu_periph_clock_enable(RCU_GPIOA);
rcu_periph_clock_enable(RCU_TIMER15);
timer_deinit(TIMER15);
rcu_periph_clock_enable(US_TRAN_DELAY_RCU);
timer_deinit(US_TRAN_DELAY_TIMER);
timer_parameter_struct timer_initpara;
timer_struct_para_init(&timer_initpara);
@ -135,31 +133,31 @@ void ultrasonic_transmit_delay(const uint16_t micro_second) {
timer_initpara.period =micro_second - 1;
timer_initpara.clockdivision =TIMER_CKDIV_DIV1;
timer_initpara.repetitioncounter =0;
timer_init(TIMER15, &timer_initpara);
timer_init(US_TRAN_DELAY_TIMER, &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
timer_auto_reload_shadow_enable(US_TRAN_DELAY_TIMER); //使能自动影子重载
timer_interrupt_enable(US_TRAN_DELAY_TIMER, TIMER_INT_UP); // 使能自动重载中断
nvic_irq_enable(TIMER15_IRQn, 1U);
}
void recevice_exti_config(void) {
rcu_periph_clock_enable(RCU_GPIOA);
rcu_periph_clock_enable(RCU_CFGCMP);
rcu_periph_clock_enable(US_FB_GPIO_RCU);
rcu_periph_clock_enable(US_FB_EXTI_RCU);
gpio_mode_set(GPIOA, GPIO_MODE_INPUT, GPIO_PUPD_NONE, GPIO_PIN_0);
nvic_irq_enable(EXTI0_1_IRQn, 0U);
gpio_mode_set(US_FB_GPIO_PORT, GPIO_MODE_INPUT, GPIO_PUPD_NONE, US_FB_GPIO_PIN);
nvic_irq_enable(US_FB_EXTI_IRQ, 0U);
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_init(US_FB_GPIO_EXTI, EXTI_INTERRUPT, EXTI_TRIG_FALLING);
exti_flag_clear(US_FB_GPIO_EXTI);
// exti_interrupt_enable(EXTI_0);
}
void ultrasonic_echo_timer_config(void)
{
rcu_periph_clock_enable(RCU_TIMER16);
timer_deinit(TIMER16);
rcu_periph_clock_enable(US_ECHO_RCU);
timer_deinit(US_ECHO_TIMER);
timer_parameter_struct timer_initpara;
timer_struct_para_init(&timer_initpara);
@ -169,7 +167,7 @@ void ultrasonic_echo_timer_config(void)
timer_initpara.period =59999;
timer_initpara.clockdivision =TIMER_CKDIV_DIV1;
timer_initpara.repetitioncounter =0;
timer_init(TIMER16, &timer_initpara);
timer_init(US_ECHO_TIMER, &timer_initpara);
timer_ic_parameter_struct timer_icinitpara;
timer_channel_input_struct_para_init(&timer_icinitpara);
@ -177,7 +175,5 @@ void ultrasonic_echo_timer_config(void)
timer_icinitpara.icselection = TIMER_IC_SELECTION_INDIRECTTI;
timer_icinitpara.icprescaler = TIMER_IC_PSC_DIV1;
timer_icinitpara.icfilter = 0x03; // 设置滤波器
timer_input_capture_config(TIMER16, TIMER_CH_0, &timer_icinitpara);
// timer_enable(TIMER16);
timer_input_capture_config(US_ECHO_TIMER, US_ECHO_CH, &timer_icinitpara);
}