hulk/xlsw_3dp_ultrasonic_300K
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change LED blink timer to TIMER16.

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change ultrasonic transmit pin timer to TIMER13 CH0 PB1(AF_0).
rename function name.
This commit is contained in:
yelvlab 2024-09-24 23:24:58 +08:00
parent d51a97df32
commit e3b6112411
4 changed files with 80 additions and 23 deletions
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16
inc/ultrasonic_driver.h
View File

@ -10,8 +10,8 @@
#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 LED_TIMER TIMER16
#define LED_IRQ TIMER16_IRQn
#define USART_RCU RCU_USART0
#define USART_GPIO_RCU RCU_GPIOA
@ -24,19 +24,21 @@
#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_TIMER2
#define US_TRAN_TIMER TIMER2
#define US_TRAN_CH TIMER_CH_3
#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_peripheral_config(void);
void ultrasonic_transmit_config(void);
void ultrasonic_pwm_out_cycles(uint8_t cycles);
void timer15_config(void);
void ultrasonic_transmit_delay(void);
void recevice_exti_config(void);
void ultrasonic_echo_timer_config(void);
#endif //ULTRASONIC_DRIVER_H

37
src/gd32e23x_it.c
View File

@ -98,46 +98,67 @@ void SysTick_Handler(void)
{
}
void TIMER13_IRQHandler(void) {
if (timer_interrupt_flag_get(TIMER13, TIMER_INT_FLAG_UP) == SET)
void TIMER16_IRQHandler(void) {
if (timer_interrupt_flag_get(TIMER16, TIMER_INT_FLAG_UP) == SET)
{
timer_interrupt_flag_clear(TIMER13, TIMER_INT_FLAG_UP);
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(TIMER13, 19200);
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(TIMER13, 800);
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);
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) {
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);
// timer_event_software_generate(TIMER14, TIMER_EVENT_SRC_CH0G);
exti_interrupt_disable(EXTI_0);
}

9
src/main.c
View File

@ -25,13 +25,14 @@ int main(void)
/* configure systick */
systick_config();
/* configure ultrasonic board hardware */
ultrasonic_peripheral_config();
timer15_config();
ultrasonic_transmit_config();
/* ---------- debug start ---------- */
ultrasonic_transmit_delay();
recevice_exti_config();
ultrasonic_echo_timer_config();
@ -42,6 +43,8 @@ int main(void)
printf("XLSW-3DP-UltraSonic Analog 300K!\r\n");
printf("\r\n");
delay_ms(2000);
while(1)
{
delay_ms(50);

41
src/ultrasonic_driver.c
View File

@ -60,7 +60,7 @@ void ultrasonic_config(void)
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);
gpio_af_set(US_TRAN_GPIO_PORT, US_TRAN_AF, US_TRAN_PIN);
timer_oc_parameter_struct timer_ocinitpara;
timer_parameter_struct timer_initpara;
@ -90,11 +90,9 @@ void ultrasonic_config(void)
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) {
void ultrasonic_transmit_config(void) {
led_config();
usart_config();
ultrasonic_config();
@ -123,12 +121,16 @@ void ultrasonic_pwm_out_cycles(uint8_t cycles) {
// }
}
void timer15_config(void) {
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);
@ -167,3 +169,32 @@ void recevice_exti_config(void) {
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);
}