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libraries/zf_driver/zf_driver_pit.c
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163
libraries/zf_driver/zf_driver_pit.c
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/*********************************************************************************************************************
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* CH32V307VCT6 Opensourec Library <20><><EFBFBD><EFBFBD>CH32V307VCT6 <20><>Դ<EFBFBD>⣩<EFBFBD><E2A3A9>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ڹٷ<DAB9> SDK <20>ӿڵĵ<DAB5><C4B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>
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* Copyright (c) 2022 SEEKFREE <20><><EFBFBD>ɿƼ<C9BF>
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*
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* <20><><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>CH32V307VCT6 <20><>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
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*
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* CH32V307VCT6 <20><>Դ<EFBFBD><D4B4> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* <20><><EFBFBD><EFBFBD><EFBFBD>Ը<EFBFBD><D4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᷢ<EFBFBD><E1B7A2><EFBFBD><EFBFBD> GPL<50><4C>GNU General Public License<73><65><EFBFBD><EFBFBD> GNUͨ<55>ù<EFBFBD><C3B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* <20><> GPL <20>ĵ<EFBFBD>3<EFBFBD>棨<EFBFBD><E6A3A8> GPL3.0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>κκ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>İ汾<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><DEB8><EFBFBD>
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*
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* <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD>ܷ<EFBFBD><DCB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κεı<CEB5>֤
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* <20><><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ի<EFBFBD><D4BB>ʺ<EFBFBD><CABA>ض<EFBFBD><D8B6><EFBFBD>;<EFBFBD>ı<EFBFBD>֤
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* <20><><EFBFBD><EFBFBD>ϸ<EFBFBD><CFB8><EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD> GPL
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*
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* <20><>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>ͬʱ<CDAC>յ<EFBFBD>һ<EFBFBD><D2BB> GPL <20>ĸ<EFBFBD><C4B8><EFBFBD>
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* <20><><EFBFBD><EFBFBD>û<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><https://www.gnu.org/licenses/>
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*
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* <20><><EFBFBD><EFBFBD>ע<EFBFBD><D7A2><EFBFBD><EFBFBD>
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* <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>ʹ<EFBFBD><CAB9> GPL3.0 <20><>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>֤Э<D6A4><D0AD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD>İ汾
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӣ<EFBFBD>İ<EFBFBD><C4B0><EFBFBD> libraries/doc <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>µ<EFBFBD> GPL3_permission_statement.txt <20>ļ<EFBFBD><C4BC><EFBFBD>
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* <20><><EFBFBD><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD> libraries <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>µ<EFBFBD> LICENSE <20>ļ<EFBFBD>
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* <20><>ӭ<EFBFBD><D3AD>λʹ<CEBB>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>뱣<EFBFBD><EBB1A3><EFBFBD><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC>İ<EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*
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* <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> zf_driver_pit
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* <20><>˾<EFBFBD><CBBE><EFBFBD><EFBFBD> <20>ɶ<EFBFBD><C9B6><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC><EFBFBD><EFBFBD><EFBFBD>˾
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* <20>汾<EFBFBD><E6B1BE>Ϣ <20>鿴 libraries/doc <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> version <20>ļ<EFBFBD> <20>汾˵<E6B1BE><CBB5>
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> MounRiver Studio V1.8.1
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* <20><><EFBFBD><EFBFBD>ƽ̨ CH32V307VCT6
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> https://seekfree.taobao.com/
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*
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* <20>ļ<DEB8>¼
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* <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><>ע
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* 2022-09-15 <20><>W first version
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********************************************************************************************************************/
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#include "ch32v30x_rcc.h"
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#include "zf_common_clock.h"
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#include "zf_common_debug.h"
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#include "zf_common_interrupt.h"
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#include "zf_driver_timer.h"
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#include "zf_driver_pit.h"
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//-------------------------------------------------------------------------------------------------------------------
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> PIT <20>ж<EFBFBD>ʹ<EFBFBD><CAB9>
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// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> pit_n PIT <20><><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD>
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// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
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// ʹ<><CAB9>ʾ<EFBFBD><CABE> pit_enable(TIM1_PIT);
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//-------------------------------------------------------------------------------------------------------------------
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void pit_enable (pit_index_enum pit_n)
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{
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const uint32 irq_index[] =
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{
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TIM1_UP_IRQn,
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TIM2_IRQn,
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TIM3_IRQn,
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TIM4_IRQn,
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TIM5_IRQn,
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TIM6_IRQn,
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TIM7_IRQn,
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TIM8_UP_IRQn,
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TIM9_UP_IRQn,
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TIM10_UP_IRQn
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};
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interrupt_enable(irq_index[pit_n]); // ʹ<><CAB9><EFBFBD>ж<EFBFBD>
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}
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//-------------------------------------------------------------------------------------------------------------------
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> PIT <20>жϽ<D0B6>ֹ
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// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> pit_n PIT <20><><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD>
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// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
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// ʹ<><CAB9>ʾ<EFBFBD><CABE> pit_disable(TIM1_PIT);
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//-------------------------------------------------------------------------------------------------------------------
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void pit_disable (pit_index_enum pit_n)
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{
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const uint32 irq_index[] =
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{
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TIM1_UP_IRQn,
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TIM2_IRQn,
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TIM3_IRQn,
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TIM4_IRQn,
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TIM5_IRQn,
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TIM6_IRQn,
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TIM7_IRQn,
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TIM8_UP_IRQn,
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TIM9_UP_IRQn,
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TIM10_UP_IRQn
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};
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interrupt_disable(irq_index[pit_n]); // ʧ<><CAA7><EFBFBD>ж<EFBFBD>
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}
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//-------------------------------------------------------------------------------------------------------------------
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> timer_ch <20><>ʱ<EFBFBD><CAB1>ͨ<EFBFBD><CDA8>
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// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> us <20><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>(1-65535)
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// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
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// <20><>ע<EFBFBD><D7A2>Ϣ pit_init(TIMER_1, 5); ʹ<>ö<EFBFBD>ʱ<EFBFBD><CAB1>1<EFBFBD><31>Ϊ5msһ<73>ε<EFBFBD><CEB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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//-------------------------------------------------------------------------------------------------------------------
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void pit_init (pit_index_enum pit_n, uint32 period)
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˶<EFBFBD><CBB6><EFBFBD><EFBFBD><EFBFBD>Ϣ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><>ȥ<EFBFBD>鿴<EFBFBD><E9BFB4><EFBFBD><EFBFBD>ʲô<CAB2>ط<EFBFBD><D8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><><EFBFBD><EFBFBD><EFBFBD>Ǽ<EFBFBD><C7BC><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD>ظ<EFBFBD>ʹ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD> TIM1_PWM Ȼ<><C8BB><EFBFBD>ֳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD> TIM1_PIT <20><><EFBFBD><EFBFBD><EFBFBD>÷<EFBFBD><C3B7>Dz<EFBFBD><C7B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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zf_assert(timer_funciton_check((timer_index_enum)pit_n, TIMER_FUNCTION_TIMER));
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>б<EFBFBD><D0B1><EFBFBD> <20><><EFBFBD>Ҿ͵<D2BE><CDB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊʲô<CAB2><C3B4><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD> 0
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zf_assert(period!=0);
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uint16 freq_div = (period >> 15); // <20><><EFBFBD><EFBFBD>Ԥ<EFBFBD><D4A4>Ƶ
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uint16 period_temp = (period / (freq_div+1)); // <20><><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD><D7B0>ֵ
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timer_clock_enable(pit_n); // ʹ<><CAB9>ʱ<EFBFBD><CAB1>
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TIM_TypeDef *tim_index = TIM1;
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switch(pit_n)
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{
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case TIM_1: tim_index = ((TIM_TypeDef *)TIM1_BASE); break;
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case TIM_2: tim_index = ((TIM_TypeDef *)TIM2_BASE); break;
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case TIM_3: tim_index = ((TIM_TypeDef *)TIM3_BASE); break;
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case TIM_4: tim_index = ((TIM_TypeDef *)TIM4_BASE); break;
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case TIM_5: tim_index = ((TIM_TypeDef *)TIM5_BASE); break;
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case TIM_6: tim_index = ((TIM_TypeDef *)TIM6_BASE); break;
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case TIM_7: tim_index = ((TIM_TypeDef *)TIM7_BASE); break;
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case TIM_8: tim_index = ((TIM_TypeDef *)TIM8_BASE); break;
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case TIM_9: tim_index = ((TIM_TypeDef *)TIM9_BASE); break;
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case TIM_10: tim_index = ((TIM_TypeDef *)TIM10_BASE); break;
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}
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure = {0};
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TIM_TimeBaseStructure.TIM_Period = period_temp;
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TIM_TimeBaseStructure.TIM_Prescaler = freq_div; // <20><>Ƶֵ
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TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; // <20><><EFBFBD><EFBFBD>ʱ<EFBFBD>ӷָ<D3B7>:TDTS = Tck_tim
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; // TIM<49><4D><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD>ģʽ
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TIM_TimeBaseStructure.TIM_RepetitionCounter = 0; // <20>ظ<EFBFBD><D8B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0
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TIM_TimeBaseInit(tim_index, &TIM_TimeBaseStructure); // <20><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>TIMx<4D><78>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
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TIM_ITConfig(tim_index,TIM_IT_Update,ENABLE ); // ʹ<><CAB9>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>TIM<49>ж<EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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TIM_ClearITPendingBit(tim_index, TIM_IT_Update);
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const uint32 irq_index[10] =
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{
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TIM1_UP_IRQn,
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TIM2_IRQn,
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TIM3_IRQn,
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TIM4_IRQn,
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TIM5_IRQn,
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TIM6_IRQn,
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TIM7_IRQn,
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TIM8_UP_IRQn,
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TIM9_UP_IRQn,
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TIM10_UP_IRQn
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};
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interrupt_set_priority((IRQn_Type)irq_index[(uint8)pit_n], 0x03); // <20><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ȼ<EFBFBD>
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interrupt_enable((IRQn_Type)irq_index[pit_n]); // ʹ<><CAB9><EFBFBD>ж<EFBFBD>
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TIM_Cmd(tim_index, ENABLE); // ʹ<>ܶ<EFBFBD>ʱ<EFBFBD><CAB1>
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}
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