38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/*
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* =====================================================================================
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*
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* ________ .__ __ ________ ____ ________
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* \_____ \ __ __|__| ____ | | __\______ \ _______ _/_ |/ _____/
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* / / \ \| | \ |/ ___\| |/ / | | \_/ __ \ \/ /| / __ \
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* / \_/. \ | / \ \___| < | ` \ ___/\ / | \ |__\ \
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* \_____\ \_/____/|__|\___ >__|_ \/_______ /\___ >\_/ |___|\_____ /
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* \__> \/ \/ \/ \/ \/
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*
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* www.optixx.org
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*
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*
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* Version: 1.0
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* Created: 07/21/2009 03:32:16 PM
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* Author: david@optixx.org
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*
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* =====================================================================================
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*/
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#ifndef __PWM_H__
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#define __PWM_H__
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#define F_PWM 100 // PWM-Frequenz in Hz
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#define PWM_STEPS 256 // PWM-Schritte pro Zyklus(1..256)
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#define T_PWM (F_CPU/(F_PWM*PWM_STEPS)) // Systemtakte pro PWM-Takt
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#if (T_PWM<(93+5))
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#error T_PWM zu klein, F_CPU muss vergrösst werden oder F_PWM oder PWM_STEPS verkleinert werden
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#endif
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void pwm_init(void);
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void pwm_stop(void);
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#endif
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