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標題: ARDUINO PWM庫下載 [打印本頁]
作者: tyqr    時間: 2019-10-10 20:16
標題: ARDUINO PWM庫下載
ARDUINO PWM庫


單片機源程序如下:
  1. /*
  2. This library is built to support two of the AVR Architecture 'groups' that Arduino uses
  3. a) ATmega48/88/168/328,
  4. b) ATmega640/1280/1281/2560/2561
  5. */

  7. #ifndef PWM_H_
  8. #define PWM_H_

  10. #include "avr/pgmspace.h"
  11. #include "math.h"

  13. #if defined(__AVR_ATmega640__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega1281__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega2561__)
  14.         #include "utility/ATimerDefs.h"
  15. #elif defined(__AVR_ATmega48__) || defined(__AVR_ATmega88__) || defined(__AVR_ATmega88P__) || defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328__) || defined(__AVR_ATmega328P__)
  16.         #include "utility/BTimerDefs.h"
  17. #endif


  20. #if defined(__AVR_ATmega640__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega1281__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega2561__)
  21. // 16 bit timers
  22. extern uint32_t        GetFrequency_16(const int16_t timerOffset);
  23. extern bool                SetFrequency_16(const int16_t timerOffset, uint32_t f);
  24. extern uint16_t GetPrescaler_16(const int16_t timerOffset);
  25. extern void                SetPrescaler_16(const int16_t timerOffset, prescaler psc);
  26. extern void                SetTop_16(const int16_t timerOffset, uint16_t top);
  27. extern uint16_t GetTop_16(const int16_t timerOffset);
  28. extern void                Initialize_16(const int16_t timerOffset);
  29. extern float        GetResolution_16(const int16_t timerOffset);

  31. // 8 bit timers
  32. extern uint32_t        GetFrequency_8(const int16_t timerOffset);
  33. extern bool                SetFrequency_8(const int16_t timerOffset, uint32_t f);
  34. extern uint16_t GetPrescaler_8(const int16_t timerOffset);
  35. extern void                SetPrescaler_8(const int16_t timerOffset, prescaler psc);
  36. extern void                SetPrescalerAlt_8(const int16_t timerOffset, prescaler_alt psc);
  37. extern void                SetTop_8(const int16_t timerOffset, uint8_t top);
  38. extern uint8_t        GetTop_8(const int16_t timerOffset);
  39. extern void                Initialize_8(const int16_t timerOffset);
  40. extern float        GetResolution_8(const int16_t timerOffset);

  42. #endif

  44. #if defined(__AVR_ATmega48__) || defined(__AVR_ATmega88__) || defined(__AVR_ATmega88P__) || defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328__) || defined(__AVR_ATmega328P__)

  46. // 16 bit timers
  47. extern uint32_t        GetFrequency_16();
  48. extern bool                SetFrequency_16(uint32_t f);
  49. extern uint16_t GetPrescaler_16();
  50. extern void                SetPrescaler_16(prescaler psc);
  51. extern void                SetTop_16(uint16_t top);
  52. extern uint16_t GetTop_16();
  53. extern void                Initialize_16();
  54. extern float        GetResolution_16();

  56. // 8 bit timers
  57. extern uint32_t        GetFrequency_8(const int16_t timerOffset);
  58. extern bool                SetFrequency_8(const int16_t timerOffset, uint32_t f);
  59. extern uint16_t GetPrescaler_8(const int16_t timerOffset);
  60. extern void                SetPrescaler_8(const int16_t timerOffset, prescaler psc);
  61. extern void                SetPrescalerAlt_8(const int16_t timerOffset, prescaler_alt psc);
  62. extern void                SetTop_8(const int16_t timerOffset, uint8_t top);
  63. extern uint8_t        GetTop_8(const int16_t timerOffset);
  64. extern void                Initialize_8(const int16_t timerOffset);
  65. extern float        GetResolution_8(const int16_t timerOffset);

  67. #endif

  69. //common functions

  71. extern void                InitTimers();
  72. extern void                InitTimersSafe();                                                                                //doesn't init timers responsible for time keeping functions
  73. extern void                pwmWrite(uint8_t pin, uint8_t val);
  74. extern void                pwmWriteHR(uint8_t pin, uint16_t val);                                        //accepts a 16 bit value and maps it down to the timer for maximum resolution
  75. extern bool                SetPinFrequency(int8_t pin, uint32_t frequency);
  76. extern bool                SetPinFrequencySafe(int8_t pin, uint32_t frequency);        //does not set timers responsible for time keeping functions
  77. extern float        GetPinResolution(uint8_t pin);                                                        //gets the PWM resolution of a pin in base 2, 0 is returned if the pin is not connected to a timer

  79. #endif /* PWM_H_ */
復制代碼

所有資料51hei提供下載:
pwm.zip (14.53 KB, 下載次數: 98)


作者: hezhumin    時間: 2019-12-14 00:36
謝謝分享
作者: kucy850710    時間: 2019-12-25 11:31
為樓主點贊，感謝技術大咖分析好資料!后續多多支持！！！



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