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37 lines
1.3 KiB
37 lines
1.3 KiB
#include "zport.h"
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#include <stdint.h>
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#include <stdio.h>
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#include "zboard.h"
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static uint32_t sys_haspassedms(uint32_t ticket)
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{
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uint32_t nowticket = HAL_GetTick();
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if (nowticket >= ticket)
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{
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return nowticket - ticket;
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}
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return UINT32_MAX - ticket + nowticket;
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}
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///**********************************************************************************************************************
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// * ===================================================printf重定向=================================================== *
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// **********************************************************************************************************************/
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int fputc(int ch, FILE *stream)
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{
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uint8_t c = ch;
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HAL_UART_Transmit(&DEBUG_UART, &c, 1, 100);
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return ch;
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}
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///***********************************************************************************************************************
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// * ====================================================调试指示灯===================================================== *
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// ***********************************************************************************************************************/
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void port_do_debug_light_state(void)
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{
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static uint32_t lastprocess = 0;
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if (sys_haspassedms(lastprocess) > 300)
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{
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lastprocess = HAL_GetTick();
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HAL_GPIO_TogglePin(DEBUG_LIGHT_PORT, DEBUG_LIGHT_PIN);
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}
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}
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