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https://github.com/digistump/DigistumpArduino.git
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87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
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#ifndef TinySoftPwm_h
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#define TinySoftPwm_h
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// a Tiny optimized Software PWM Manager (all pins must be part of the same port)
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// Only resources RAM/Program Memory of used pins are declared in the code at compilation time.
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// based largely on Atmel's AVR136: Low-Jitter Multi-Channel Software PWM Application Note:
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// http://www.atmel.com/dyn/resources/prod_documents/doc8020.pdf
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// RC Navy 2013
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// http://p.loussouarn.free.fr
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#if defined(ARDUINO) && ARDUINO >= 100
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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#include <inttypes.h>
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/*************************************************/
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/* Define here the PIN to use with Tiny Soft PWM */
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/* Unused Pin(s) SHALL be commented */
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/*************************************************/
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//#define TINY_SOFT_PWM_USES_P0
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#define TINY_SOFT_PWM_USES_P1
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#define TINY_SOFT_PWM_USES_P2
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//#define TINY_SOFT_PWM_USES_P3 /* /!\ used for USB on DigiSpark: do not use it for PWM if DigiUSB is also used /!\ */
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//#define TINY_SOFT_PWM_USES_P4 /* /!\ used for USB on DigiSpark: do not use it for PWM if DigiUSB is also used /!\ */
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#define TINY_SOFT_PWM_USES_P5
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/*******************************************************************/
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/* Do NOT modify below: it's used to optimize RAM and Program size */
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/*******************************************************************/
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#ifdef TINY_SOFT_PWM_USES_P0
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#undef TINY_SOFT_PWM_USES_P0
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#define TINY_SOFT_PWM_USES_P0 1
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#else
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#define TINY_SOFT_PWM_USES_P0 0
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#endif
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#ifdef TINY_SOFT_PWM_USES_P1
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#undef TINY_SOFT_PWM_USES_P1
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#define TINY_SOFT_PWM_USES_P1 1
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#else
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#define TINY_SOFT_PWM_USES_P1 0
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#endif
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#ifdef TINY_SOFT_PWM_USES_P2
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#undef TINY_SOFT_PWM_USES_P2
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#define TINY_SOFT_PWM_USES_P2 1
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#else
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#define TINY_SOFT_PWM_USES_P2 0
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#endif
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#ifdef TINY_SOFT_PWM_USES_P3
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#undef TINY_SOFT_PWM_USES_P3
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#define TINY_SOFT_PWM_USES_P3 1
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#else
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#define TINY_SOFT_PWM_USES_P3 0
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#endif
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#ifdef TINY_SOFT_PWM_USES_P4
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#undef TINY_SOFT_PWM_USES_P4
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#define TINY_SOFT_PWM_USES_P4 1
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#else
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#define TINY_SOFT_PWM_USES_P4 0
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#endif
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#ifdef TINY_SOFT_PWM_USES_P5
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#undef TINY_SOFT_PWM_USES_P5
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#define TINY_SOFT_PWM_USES_P5 1
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#else
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#define TINY_SOFT_PWM_USES_P5 0
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#endif
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#define TINY_SOFT_PWM_CH_MAX (TINY_SOFT_PWM_USES_P0 + TINY_SOFT_PWM_USES_P1 + TINY_SOFT_PWM_USES_P2 + TINY_SOFT_PWM_USES_P3 + TINY_SOFT_PWM_USES_P4 + TINY_SOFT_PWM_USES_P5)
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void TinySoftPwm_begin(uint8_t TickMax, uint8_t PwmInit);
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void TinySoftPwm_analogWrite(uint8_t PinIdx, uint8_t Pwm);
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void TinySoftPwm_process(void);
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#endif
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