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48 lines
1.4 KiB
48 lines
1.4 KiB
#include "ztim.hpp"
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#include "zirq_dispatcher.hpp"
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using namespace iflytop;
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void ZTIM::initialize(zchip_tim_t *htim, mode_t mode) {
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m_htim = htim;
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m_mode = mode;
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}
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ZTIM::mode_t ZTIM::getMode() { return m_mode; }
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/******************************************************
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* kTimMode_timer *
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******************************************************/
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/**
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* @brief startTimer
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*
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* @param periodus 定时器周期
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* @param onirq 回调函数，如果为null,则使用上次注册的回调函数
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*/
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void ZTIM::simpleTimer_startByPeriod(uint32_t periodus) { simpleTimer_startByFreq(1000000.0 / periodus); }
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void ZTIM::simpleTimer_startByFreq(float freq) {
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ZASSERT(m_htim->Init.AutoReloadPreload == TIM_AUTORELOAD_PRELOAD_ENABLE)
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m_timer_start = true;
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uint32_t prescaler = 0;
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uint32_t autoreload = 0;
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uint32_t timClkFreq = chip_get_timer_clock_sorce_freq(m_htim);
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ZASSERT(chip_calculate_prescaler_and_autoreload_by_expect_freq(timClkFreq, freq, &prescaler, &autoreload));
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__HAL_TIM_SET_AUTORELOAD(m_htim, autoreload);
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__HAL_TIM_SET_PRESCALER(m_htim, prescaler);
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HAL_TIM_Base_Start_IT(m_htim);
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ZIRQDispatcher::instance().regTimIrqListener([this](zchip_tim_t *tim) {
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if (tim != m_htim) return;
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if (m_timer_start && m_simpleTimer_cb) m_simpleTimer_cb();
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});
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}
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void ZTIM::simpleTimer_stop() {
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m_timer_start = false;
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HAL_TIM_Base_Stop(m_htim);
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}
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