generated from hulk/gd32e23x_template
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/*!
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\file main.c
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\brief led spark with systick, USART print and key example
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\version 2024-02-22, V2.1.0, firmware for GD32E23x
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*/
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#include "main.h"
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#include <stdio.h>
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#include "gd32e23x.h"
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#include "systick.h"
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#include "gd32e23x_libopt.h"
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#include "RS485.h"
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#include "LDC1612.h"
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void led_config(void) {
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rcu_periph_clock_enable(LED_RCU);
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gpio_mode_set(LED_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED_PIN);
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gpio_output_options_set(LED_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED_PIN);
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gpio_bit_write(LED_PORT, LED_PIN, SET);
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rcu_periph_clock_enable(LED_TIMER_RCU);
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timer_deinit(LED_TIMER);
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timer_parameter_struct timer_initpara;
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timer_struct_para_init(&timer_initpara);
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timer_initpara.prescaler = 799;
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timer_initpara.alignedmode = TIMER_COUNTER_EDGE;
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timer_initpara.counterdirection = TIMER_COUNTER_UP;
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timer_initpara.period = 999;
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timer_initpara.clockdivision = TIMER_CKDIV_DIV1;
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timer_init(LED_TIMER, &timer_initpara);
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timer_auto_reload_shadow_enable(LED_TIMER);
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timer_interrupt_enable(LED_TIMER, TIMER_INT_UP);
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timer_enable(LED_TIMER);
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nvic_irq_enable(LED_IRQ, 2);
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}
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/*!
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\brief main function
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\param[in] none
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\param[out] none
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\retval none
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*/
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int main(void) {
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/* configure systick */
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systick_config();
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RS485_config();
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led_config();
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I2C_config();
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printf("\r\n");
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printf("XLSW-3DP-LDC1612! V0.0.1\r\n");
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printf("\r\n");
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delay_ms(500);
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// int result = 0;
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uint16_t data = 0;
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uint16_t device_id = 0;
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LDC1612_IIC_read_16bits(READ_DEVICE_ID, &data);
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// printf("result = %d\r\n", result);
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// delay_ms(1000);
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LDC1612_IIC_read_16bits(READ_DEVICE_ID, &device_id);
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printf("Manufacturer: 0x%x\r\n", data);
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printf("Device: 0x%x\r\n", device_id);
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while (1) {
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delay_ms(1000);
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printf("OK!!!\r\n");
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}
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}
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/* retarget the C library printf function to the USART */
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int _write(int fd, char *pBuffer, int size) {
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for (int i = 0; i < size; i++) {
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usart_data_transmit(USART0, (uint8_t) pBuffer[i]);
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while (RESET == usart_flag_get(USART0, USART_FLAG_TBE));
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}
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return size;
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}
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