75 lines
1.8 KiB
C
75 lines
1.8 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 "ultrasonic_driver.h"
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#include "mlx90614.h"
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extern uint32_t g_capture_value;
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uint16_t g_distance_uint16;
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uint16_t g_temperature_uint16;
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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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{
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/* configure systick */
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systick_config();
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/* configure ultrasonic board hardware */
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UltraSonic_Transmit_Config();
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UltraSonic_Receive_Config();
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MLX90614_I2CConfig();
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/* ---------- debug start ---------- */
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/* ---------- debug end ---------- */
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printf("\r\n");
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printf("XLSW-3DP-UltraSonic Analog 300K! V0.1.14\r\n");
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printf("\r\n");
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delay_ms(2000);
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while (1)
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{
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delay_ms(ULTRASONIC_TRAN_US);
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UltraSonic_PwmOut_Cycles(ULTRASONIC_CYCLES);
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delay_ms(2);
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// printf("cap_val:%ld\t", g_capture_value);
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if (g_capture_value <= CAPTURE_VALUE_MAX) {
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g_distance_uint16 = UltraSonic_CalcDistance(g_capture_value);
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} else {
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g_distance_uint16 = 0x0000;
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}
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// const char* result = (g_capture_value <= CAPTURE_VALUE_MAX) ? "Distance: %d\t" : "Over Range\t";
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// printf(result, distance_uint16);
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// printf("Temp:%d\n", MLX90614_GetObjectTemperature());
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g_temperature_uint16 = MLX90614_GetObjectTemperature();
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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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{
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for (int i = 0; i < size; i++)
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{
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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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