110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
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#ifndef _PWM_H_
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#define _PWM_H_
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#include "ARMCM0.h"
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#define HPWM_CLK 64000000UL //<2F><><EFBFBD><EFBFBD>ֵ
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//PWMģ<4D><C4A3>ö<EFBFBD><C3B6>
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typedef enum {
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PWM_0,
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PWM_1,
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PWM_2,
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}PWM_x;
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typedef enum {
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HPWM_CH0 = 0x01,
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HPWM_CH1 = 0x02,
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HPWM_CH2 = 0x04,
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HPWM_CH3 = 0x08,
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HPWM_CHALL = 0x0f,
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}HPWM_CHx;
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//PWMģ<4D>鹤<EFBFBD><E9B9A4>ģʽö<CABD><C3B6>
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typedef enum {
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always_on_mode,
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pwm_mode,
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flash_mode,
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breath_mode,
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}PWM_mode;
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typedef enum {
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UP_MODE,
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UP_DOWN_MODE,
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}HPWM_mode;
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typedef enum {
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HPWM_INT_NONE = 0,
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HPWM_INT_PERIOD = 1,
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HPWM_INT_TASK_STOP = 2,
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HPWM_INT_ALL = 3,
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} HPWM_INT_TYPE;
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typedef enum {
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HPWM_PERSCALER_1 = 0,
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HPWM_PERSCALER_2 = 1,
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HPWM_PERSCALER_4 = 2,
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HPWM_PERSCALER_8 = 3,
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HPWM_PERSCALER_16 = 4,
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HPWM_PERSCALER_32 = 5,
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HPWM_PERSCALER_64 = 6,
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HPWM_PERSCALER_128 = 7,
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HPWM_PERSCALER_256 = 8,
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HPWM_PERSCALER_512 = 9,
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HPWM_PERSCALER_1024 = 10,
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HPWM_PERSCALER_2048 = 11,
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HPWM_PERSCALER_4096 = 12,
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HPWM_PERSCALER_8192 = 13,
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HPWM_PERSCALER_16384 = 14,
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HPWM_PERSCALER_32768 = 15
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} HPWM_PERSCALER_TYPE;
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typedef enum {
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LOW_FIRST = 0,
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HIGH_FIRST
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} HPWM_POLARITY_TYPE;
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//PWM<57><4D><EFBFBD><EFBFBD>
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typedef struct{
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uint8_t module; //ģ<><C4A3> ʹ<><CAB9><EFBFBD>Ǹ<EFBFBD>pwmģ<6D><C4A3>
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//----------------------------flash mode------------------------------
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uint8_t T1; //T1 value(high level time) for flash mode. Unit:1/32 S
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uint8_t T2; //T2 value(T1 + low level time) for flash mode. Unit:1/32 S
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uint16_t T3; //T3 value(low level time) for flash mode. Unit:1/32 S
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uint8_t N1; //repeat "T1-T2" N1 times. If N1 set 0x80 then always repeat "T1-T2" and No T3
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uint8_t N2; //repeat "flash" N2 times. If N2 set 0x80 then always repeat "flash".
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//----------------------------breath mode------------------------------
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uint8_t T4; //breath mode , flash period. Unit:1/2ms
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uint8_t BR_TH_MAX; //breath mode maxinum briteness threshlod of the LED.Unit:1/2ms
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uint8_t BR_TH_MIN; //breath mode minnum briteness threshlod of the LED.Unit:1/2ms
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uint8_t BR_SP; //BR_SP : breath mode speed.indicate the breath speed. Unit:1/32 ms
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//----------------------------PWM mode------------------------------
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uint8_t PWM_N; //N value for PWM mode. Unit:1/32 ms
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uint8_t PWM_M; //M value for PWM mode. Unit:1/32 ms
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uint8_t MODE; // 1 : PWM mode 2 : flash mode. 3 : breath mode.
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}PWM_PARAMETER;
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//HPWM<57><4D><EFBFBD><EFBFBD>
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typedef struct{
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HPWM_CHx channel;
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HPWM_mode mode;
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HPWM_PERSCALER_TYPE prescaler;
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HPWM_POLARITY_TYPE polarity;
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uint16_t period;
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uint16_t duty;
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}HPWM_PARAMETER;
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extern void pwm_enable(PWM_x pwm_x,PWM_PARAMETER pwm_parameter);
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extern void pwm_disable(PWM_x pwm_x);
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extern void Hpwm_Init(HPWM_PARAMETER *pwm_parameter);
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extern void Hpwm_Set_duty(HPWM_CHx channels, uint16_t compare);
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extern void Hpwm_Set_period(uint16_t period);
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extern void Hpwm_Set_mode(HPWM_mode mode);
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extern void Hpwm_Start(void);
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extern void Hpwm_Stop(void);
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#endif
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