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QDAC-firmware/libraries/zf_driver/zf_driver_delay.c

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2023-12-11 21:45:06 +08:00
/*********************************************************************************************************************
* CH32V307VCT6 Opensourec Library <EFBFBD><EFBFBD><EFBFBD><EFBFBD>CH32V307VCT6 <EFBFBD><EFBFBD>Դ<EFBFBD>⣩<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹٷ<EFBFBD> SDK <EFBFBD>ӿڵĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>
* Copyright (c) 2022 SEEKFREE <EFBFBD><EFBFBD><EFBFBD>ɿƼ<EFBFBD>
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* <EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>CH32V307VCT6 <EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӣ<EFBFBD>İ<EFBFBD><EFBFBD><EFBFBD> libraries/doc <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD> GPL3_permission_statement.txt <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>
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* <EFBFBD><EFBFBD>ӭ<EFBFBD><EFBFBD>λʹ<EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>뱣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿƼ<EFBFBD><EFBFBD>İ<EFBFBD>Ȩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> zf_driver_delay
* <EFBFBD><EFBFBD>˾<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD>ɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿƼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>޹<EFBFBD>˾
* <EFBFBD>汾<EFBFBD><EFBFBD>Ϣ <EFBFBD>鿴 libraries/doc <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> version <EFBFBD>ļ<EFBFBD> <EFBFBD>汾˵<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> MounRiver Studio V1.8.1
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ̨ CH32V307VCT6
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> https://seekfree.taobao.com/
*
* <EFBFBD>޸ļ<EFBFBD>¼
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD>ע
* 2022-09-15 <EFBFBD><EFBFBD>W first version
********************************************************************************************************************/
#include "ch32v30x.h"
#include "zf_common_clock.h"
#include "zf_driver_delay.h"
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> system <20><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD> ms <20><><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> time <20><>Ҫ<EFBFBD><D2AA>ʱ<EFBFBD><CAB1>ʱ<EFBFBD><CAB1> ms <20><><EFBFBD><EFBFBD>
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
// ʹ<><CAB9>ʾ<EFBFBD><CABE> system_delay_ms(100);
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
void system_delay_ms (uint32 num)
{
SysTick->SR &= ~(1 << 0);
SysTick->CMP = (uint64_t)(system_clock/8000) * num;
SysTick->CTLR |= (1 << 4);
SysTick->CTLR |= (1 << 5) | (1 << 0);
while((SysTick->SR & (1 << 0)) != (1 << 0));
SysTick->CTLR &= ~(1 << 0);
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> system <20><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD> us <20><><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> time <20><>Ҫ<EFBFBD><D2AA>ʱ<EFBFBD><CAB1>ʱ<EFBFBD><CAB1> us <20><><EFBFBD><EFBFBD>
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
// ʹ<><CAB9>ʾ<EFBFBD><CABE> system_delay_us(100);
// <20><>ע<EFBFBD><D7A2>Ϣ <20><><EFBFBD><EFBFBD><EFBFBD>ڳ<EFBFBD><DAB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>߳<EFBFBD>һЩ
//-------------------------------------------------------------------------------------------------------------------
void system_delay_us (uint32 num)
{
SysTick->SR &= ~(1 << 0);
SysTick->CMP = (uint64_t)(system_clock/8000000) * num;
SysTick->CTLR |= (1 << 4);
SysTick->CTLR |= (1 << 5) | (1 << 0);
while((SysTick->SR & (1 << 0)) != (1 << 0));
SysTick->CTLR &= ~(1 << 0);
}
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