33 lines
715 B
C
33 lines
715 B
C
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#include "M451Series.h"
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/**
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* @brief PWM0 IRQ Handler
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*
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* @param None
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*
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* @return None
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*
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* @details ISR to handle PWM0 interrupt event
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*/
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void PWM0P0_IRQHandler()
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{
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static uint32_t cnt;
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static uint32_t out;
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// Channel 0 frequency is 100Hz, every 1 second enter this IRQ handler 100 times.
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if(++cnt == 100)
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{
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if(out)
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PWM_EnableOutput(PWM0, PWM_CH_0_MASK | PWM_CH_1_MASK | PWM_CH_2_MASK | PWM_CH_3_MASK);
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else
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PWM_DisableOutput(PWM0, PWM_CH_0_MASK | PWM_CH_1_MASK | PWM_CH_2_MASK | PWM_CH_3_MASK);
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out ^= 1;
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cnt = 0;
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}
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// Clear channel 0 period interrupt flag
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PWM_ClearPeriodIntFlag(PWM0, 0);
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}
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