a8000_subboard_sdk/chip/ztim.cpp

#include "ztim.hpp"

#include "zirq_dispatcher.hpp"
using namespace iflytop;

void ZTIM::initialize(zchip_tim_t *htim, mode_t mode) {
  m_htim = htim;
  m_mode = mode;
}
ZTIM::mode_t ZTIM::getMode() { return m_mode; }

/******************************************************
 *                   kTimMode_timer                   *
 ******************************************************/

/**
 * @brief startTimer
 *
 * @param periodus ��ʱ������
 * @param onirq �ص�����������Ϊnull,��ʹ���ϴ�ע���Ļص�����
 */

void ZTIM::simpleTimer_startByPeriod(uint32_t periodus) { simpleTimer_startByFreq(1000000.0 / periodus); }
void ZTIM::simpleTimer_startByFreq(float freq) {
  ZASSERT(m_htim->Init.AutoReloadPreload == TIM_AUTORELOAD_PRELOAD_ENABLE)
  m_timer_start = true;

  uint32_t prescaler  = 0;
  uint32_t autoreload = 0;

  uint32_t timClkFreq = chip_get_timer_clock_sorce_freq(m_htim);

  ZASSERT(chip_calculate_prescaler_and_autoreload_by_expect_freq(timClkFreq, freq, &prescaler, &autoreload));

  __HAL_TIM_SET_AUTORELOAD(m_htim, autoreload);
  __HAL_TIM_SET_PRESCALER(m_htim, prescaler);

  HAL_TIM_Base_Start_IT(m_htim);

  ZIRQDispatcher::instance().regTimIrqListener([this](zchip_tim_t *tim) {
    if (tim != m_htim) return;
    if (m_timer_start && m_simpleTimer_cb) m_simpleTimer_cb();
  });
}
void ZTIM::simpleTimer_stop() {
  m_timer_start = false;
  HAL_TIM_Base_Stop(m_htim);
}