2024-12-10 18:04:12 +08:00

83 lines
1.8 KiB
C

/*!
\file main.c
\brief led spark with systick, USART print and key example
\version 2024-02-22, V2.1.0, firmware for GD32E23x
*/
#include "main.h"
#include <stdio.h>
#include "gd32e23x.h"
#include "systick.h"
#include "gd32e23x_libopt.h"
#include "RS485.h"
#include "LDC1612.h"
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(LED_TIMER_RCU);
timer_deinit(LED_TIMER);
timer_parameter_struct timer_initpara;
timer_struct_para_init(&timer_initpara);
timer_initpara.prescaler = 799;
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);
timer_enable(LED_TIMER);
nvic_irq_enable(LED_IRQ, 2);
}
/*!
\brief main function
\param[in] none
\param[out] none
\retval none
*/
int main(void)
{
/* configure systick */
systick_config();
RS485_config();
led_config();
I2C_config();
// delay_ms(5000);
printf("\r\n");
printf("XLSW-3DP-LDC1612! V0.0.1\r\n");
printf("\r\n");
I2C_scan();
LDC1612_read_sensor_infomation();
while(1){
}
}
/* retarget the C library printf function to the USART */
int _write (int fd, char *pBuffer, int size)
{
for (int i = 0; i < size; i++)
{
usart_data_transmit(USART0, (uint8_t)pBuffer[i]);
while(RESET == usart_flag_get(USART0, USART_FLAG_TBE));
}
return size;
}