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80 lines
3.0 KiB
80 lines
3.0 KiB
#include "ozone_pwm_control.h"
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#include "pwm.h"
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static bool s_ozone_pwm_control_enable_falg = false;
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static bool s_pwm_modble_hardware_control_flag; //硬件pwm使能标志位
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static uint32_t s_hardware_frequency; // hz
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static uint32_t s_hardware_duty; //单位ms，保存现在的PWM占空比
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static uint32_t s_large_period; //单位ms，保存现在的定时周期
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static uint32_t s_large_duty = 100; //单位ms，保存现在的定时占空比
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static uint32_t begin_ticket;
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static void prv_pwm_module_set_pwm_duty(uint32_t frequencyhz, uint32_t duty) {
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set_pwm_modbul_freq_duty(frequencyhz, duty);
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s_pwm_modble_hardware_control_flag = true;
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}
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static void prv_pwm_stop(void) {
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set_pwm_modbul_freq_duty(s_hardware_frequency, 0); //关闭PWM输出
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s_pwm_modble_hardware_control_flag = false;
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}
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static bool prv_pwm_is_enable(void) { return s_pwm_modble_hardware_control_flag; }
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static void prv_update_begin_ticket(void) {
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begin_ticket = get_sys_ticket(); //更新大周期的开始时间（间歇时间的开始的时间）
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}
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bool ozone_pwm_control_is_enable(void) { return s_ozone_pwm_control_enable_falg; }
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bool ozone_pwm_control_hardware_is_enable(void) { return s_pwm_modble_hardware_control_flag; }
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/**
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* @brief 一直工作的时间定时的占空比为100，
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* 间歇时间设置300000
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* @param freq
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* @param duty
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*/
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void ozone_pwm_control_module_set_pwm_output_1(uint32_t freqhz, uint8_t hardware_duty) {
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ozone_pwm_control_module_set_pwm_output_2(freqhz, hardware_duty, 100 * 1000, 100);
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}
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/**
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* @brief 定时和PWM
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*
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* @param hardware_period pwm频率
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* @param hardware_duty pwm占空比
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* @param large_period 定时周期
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* @param large_duty 定时占空比
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*/
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void ozone_pwm_control_module_set_pwm_output_2(uint32_t freqhz, uint8_t hardware_duty, uint32_t large_period, uint8_t large_duty) {
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s_hardware_frequency = freqhz;
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s_hardware_duty = hardware_duty;
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s_large_period = large_period;
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s_large_duty = large_duty;
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prv_update_begin_ticket();
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s_ozone_pwm_control_enable_falg = true;
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prv_pwm_module_set_pwm_duty(freqhz, hardware_duty);
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}
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void ozone_pwm_control_module_stop_pwm(void) { s_ozone_pwm_control_enable_falg = false; }
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void ozone_pwm_control_module_loop(void) {
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static uint32_t hardware_frequency;
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static uint32_t hardware_duty;
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if (ozone_pwm_control_is_enable() == false) { //没有使能直接退出
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if (prv_pwm_is_enable()) {
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prv_pwm_stop();
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}
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return;
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}
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if (port_haspassedms(begin_ticket) % s_large_period <= s_large_period * s_large_duty / 100) {
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if (!prv_pwm_is_enable()) {
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printf("set work\r\n");
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prv_pwm_module_set_pwm_duty(hardware_frequency, hardware_duty);
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}
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} else {
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if (prv_pwm_is_enable()) {
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printf("set rest\r\n");
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hardware_frequency = s_hardware_frequency; //将关闭之前的频率进行保存
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hardware_duty = s_hardware_duty; //将关闭之前的占空比进行保存
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prv_pwm_stop();
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}
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}
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}
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