12 changed files with 329 additions and 165 deletions
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2.settings/com.st.stm32cube.ide.mcu.sfrview.prefs
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3.vscode/settings.json
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183Core/Src/main.c
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74Core/Src/stm32f1xx_hal_msp.c
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17README.md
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67light_src_ctrl_stm32_port.ioc
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6usrc/light_intensity_ctrl.c
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2usrc/light_intensity_ctrl.h
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99usrc/pluse_generator.c
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13usrc/pluse_generator.h
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11usrc/project_configs.h
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17usrc/umain.c
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eclipse.preferences.version=1 |
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sfrviewstate={"fFavorites"\:{"fLists"\:{}},"fProperties"\:{"fNodeProperties"\:{}}} |
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#include "pluse_generator.h" |
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#include "config_service.h" |
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extern TIM_HandleTypeDef PLUSE_CTRL_TIMER; |
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static zgpio_t trigger_io; |
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static zgpio_t ch_io[4]; |
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static zgpio_t chx_io; |
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static uint32_t m_cnt; |
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static uint32_t m_pluse_width_cnt; |
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static uint32_t m_pluse_interval_cnt; |
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static uint32_t m_pluse_num; |
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static uint32_t m_pluse_state; // 0:低,1:高 |
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static inline void set_io_state(int off, bool state); |
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/******************************************************************************* |
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* 中断 * |
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*******************************************************************************/ |
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) { |
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if (GPIO_Pin == trigger_io.pinoff) { |
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// 启动定时器，同时触发第一个波形 |
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m_cnt = 0; |
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m_pluse_state = 0; |
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m_pluse_num = 0; |
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HAL_TIM_Base_Start_IT(&PLUSE_CTRL_TIMER); |
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set_io_state(0, true); |
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} |
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} |
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static inline void pluse_wave_schedule() { |
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if (m_pluse_state == 0) { |
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if (m_cnt >= m_pluse_interval_cnt) { |
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m_pluse_state = 1; |
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m_pluse_num++; |
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m_cnt = 0; |
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set_io_state(m_pluse_num, 1); |
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} |
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} |
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else if (m_pluse_state == 1) { |
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if (m_cnt >= m_pluse_width_cnt) { |
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m_pluse_state = 0; |
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m_cnt = 0; |
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set_io_state(m_pluse_num, 0); |
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if (m_pluse_num == 3) { |
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HAL_TIM_Base_Stop(&PLUSE_CTRL_TIMER); |
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} |
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if (m_pluse_interval_cnt == 0) { |
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m_pluse_state = 1; |
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m_pluse_num++; |
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m_cnt = 0; |
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set_io_state(m_pluse_num, 1); |
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} |
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} |
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} |
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} |
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void tim7_irq_trigger() { |
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m_cnt++; |
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pluse_wave_schedule(); |
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} |
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/******************************************************************************* |
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* FUNCTION * |
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*******************************************************************************/ |
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static inline void set_io_state(int off, bool state) { |
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zgpio_write(&ch_io[off], state); |
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zgpio_write(&chx_io, state); |
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} |
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void PluseGenerator_init() { |
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// |
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ZASSERT(&PLUSE_CTRL_TIMER == &htim7); |
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ZASSERT(PLUSE_CTRL_TIMER.Init.AutoReloadPreload = 100); |
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ZASSERT(PLUSE_CTRL_TIMER.Init.Prescaler = 71); |
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// PLUSE_CTRL_TIMER.Init. |
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PluseGenerator_updatePraram(); |
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zgpio_init_as_output(&ch_io[0], PLUSE_OUTPUT_CH0, kxs_gpio_nopull, false, false); |
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zgpio_init_as_output(&ch_io[1], PLUSE_OUTPUT_CH1, kxs_gpio_nopull, false, false); |
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zgpio_init_as_output(&ch_io[2], PLUSE_OUTPUT_CH2, kxs_gpio_nopull, false, false); |
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zgpio_init_as_output(&ch_io[3], PLUSE_OUTPUT_CH3, kxs_gpio_nopull, false, false); |
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zgpio_init_as_output(&chx_io, PLUSE_OUTPUT_CHX, kxs_gpio_nopull, false, false); |
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zgpio_init_as_input(&trigger_io, PLUSE_TRIGGER, kxs_gpio_nopull, kxs_gpio_rising_irq, false); |
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} |
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void PluseGenerator_updatePraram() { |
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m_pluse_width_cnt = config_get()->pulse_width_ms * 10; |
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m_pluse_interval_cnt = config_get()->pulse_interval_ms * 10; |
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} |
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@ -0,0 +1,13 @@ |
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#pragma once |
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#include <stdint.h> |
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#include "zlib.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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void PluseGenerator_init(); |
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void PluseGenerator_updatePraram(); |
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#ifdef __cplusplus |
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} |
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#endif |
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