九齐单片机NY8B062D 之PWM

今天第一次调试pwm的时候在改变占空比上折腾了会，也没看寄存器就直接开干了后面发现占空比一直调节不下来，看寄存器后才发现占空比调节的最高两位是TMRH控制的。

1: 怎么改变占空比

TMR29 - 28
TMR19- 18 原厂的人粗心

2：开启pwm

=========================================================================*/
#include <ny8.h>
#include "ny8_constant.h"
unsigned int  R_AIN2_DATA=0;
unsigned char R_AIN2_DATA_LB=0;    unsigned int  R_AIN3_DATA=0;
unsigned char R_AIN3_DATA_LB=0;    unsigned int  R_Quarter_VDD_DATA=0 ;
unsigned char R_Quarter_VDD_DATA_LB=0; unsigned int  D_PWM2_DUTY=0X00;#define UPDATE_REG(x)   __asm__("MOVR _" #x ",F")
//unsigned int
#define C_PWM_LB_DUTY_00H   0x00      //0x00
#define C_PWM_LB_DUTY_40H   0xA0
#define C_PWM_LB_DUTY_01H   0x01
#define C_PWM_LB_DUTY_FFH   0x01void F_AIN2_Convert(char);
void F_AIN3_Convert(char);void F_Quarter_VDD_Convert(char);
void F_wait_eoc(void);
void delay(int);void main(void)
{//----- Initial GPIO-----//1 IOSTA = C_PA0_Input;                 // Set PortA as input port//1 IOSTA = C_PA1_Input;                 // Set PortA as input port IOSTA = C_PA2_Input | C_PA3_Input ;                 // Set PortA as input port//  IOSTA = C_PA3_Input ;                    // Set PortA as input port IOSTB = C_PB1_Output;PORTA = 0xFF;                         // PortA Data Register = 0xFFPORTBbits.PB1 = 1;INTE  = 0x00;                         // INTE = 0x00//----- Initial ADC-----
//1 ADMD  = C_ADC_En | C_ADC_CH_Dis | C_ADC_PA0 ;  // Enable ADC power, Disable global ADC input channel, Select PA0 pad as ADC input (SFR "ADMD")ADMD  = C_ADC_En | C_ADC_CH_Dis | C_ADC_PA2 | C_ADC_PA3 ; // Enable ADC power, Disable global ADC input channel, Select PA0 pad as ADC input (SFR "ADMD")//----- ADC high reference voltage source select-----ADVREFH = C_Vrefh_4V;                    // ADC reference high voltage is supplied by internal 4V  (Note: ADC clock freq. must be equal or less than 1MHz)//ADVREFH = C_Vrefh_3V;                   // ADC reference high voltage is supplied by internal 3V  (Note: ADC clock freq. must be equal or less than 500KHz)//ADVREFH = C_Vrefh_2V;                 // ADC reference high voltage is supplied by internal 2V  (Note: ADC clock freq. must be equal or less than 250KHz)//----- ADC clock frequency select----------------------------    //ADR   = C_Ckl_Div1;                 // ADC clock=Fcpu/1, Clear ADIF, disable ADC interrupt //ADR    = C_Ckl_Div2;                 // ADC clock=Fcpu/2, Clear ADIF, disable ADC interrupt ADR   = C_Ckl_Div8;                        // ADC clock=Fcpu/8, Clear ADIF, disable ADC interrupt //ADR    = C_Ckl_Div16;                    // ADC clock=Fcpu/16, Clear ADIF, disable ADC interrupt    //----- ADC Sampling pulse width select-------------     ADCR  = C_Sample_1clk | C_12BIT;          // Sample pulse width=1 adc clock, ADC select 12-bit conversion ( Note: ADC clock freq. must be equal or less than 500KHz)//ADCR  = C_Sample_2clk | C_12BIT;      // Sample pulse width=2 adc clock, ADC select 12-bit conversion ( Note: ADC clock freq. must be equal or less than 1MHz)//ADCR  = C_Sample_4clk | C_12BIT;        // Sample pulse width=4 adc clock, ADC select 12-bit conversion ( Note: ADC clock freq. must be equal or less than 1.25MHz)//ADCR  = C_Sample_8clk | C_12BIT;         // Sample pulse width=8 adc clock, ADC select 12-bit conversion ( Note: ADC clock freq. must be equal or less than 2MHz)   // Initial Timer 1/2 & PWM1/2 control register      TMRH  = C_TMR2_Data_b9 | C_TMR2_Data_b8 | C_PWM2_Duty_b9 | C_PWM2_Duty_b8;TMR2  = 0xFF;                           // Move FFH to TMR2 LB register ( TMR2[9:0]=3FFH )// PWM2DUTY = C_PWM_LB_DUTY_FFH;            // Move FFH to PWM2DUTY LB register ( PWM2DUTY[9:0]=3FFH )T2CR2     = C_PS2_Dis | C_TMR2_ClkSrc_Inst;                             // Prescaler 1:1 , Timer2 clock source is instruction clockT2CR1     = C_PWM2_En | C_PWM2_Active_Hi | C_TMR2_Reload | C_TMR2_En;   // Enable PWM2 , Active_High , Non-Stop mode ,reloaded from TMR2[9:0] , enable Timer2TMRH = TMRH & 0XF3;
//--------------------------------------------------
//1 PACON = C_PA0_AIN0 | C_PA1_AIN1;       // Set AIN0(PA0) as pure ADC input for reduce power consumption (SFR "PACON")PACON = C_PA2_AIN2 | C_PA3_AIN3;        // Set AIN0(PA0) as pure ADC input for reduce power consumption (SFR "PACON") ADMDbits.GCHS = 1;                     // Enable global ADC channel    (SFR "ADMD")delay(50);                                // Delay 0.56ms(Instruction clock=4MHz/2T) for waiting ADC stable while(1){CLRWDT();                           // Clear WatchDogR_AIN2_DATA=R_AIN2_DATA_LB=R_Quarter_VDD_DATA=R_Quarter_VDD_DATA_LB=R_AIN3_DATA=R_AIN3_DATA_LB =0x00;            F_AIN2_Convert(8);                  // execute AIN0 ADC converting 8 timesR_AIN2_DATA <<= 4;                 // R_AIN0_DATA shift left 4 bitR_AIN2_DATA_LB &= 0xF0;             // Only get Bit7~4R_AIN2_DATA += R_AIN2_DATA_LB;      // R_AIN0_DATA + R_AIN0_DATA_LBR_AIN2_DATA >>=3;                    // R_AIN0_DATA divided 8F_AIN3_Convert(8);                  // execute AIN0 ADC converting 8 timesR_AIN3_DATA <<= 4;                 // R_AIN0_DATA shift left 4 bitR_AIN3_DATA_LB &= 0xF0;             // Only get Bit7~4R_AIN3_DATA += R_AIN3_DATA_LB;      // R_AIN0_DATA + R_AIN0_DATA_LBR_AIN3_DATA >>=3;                    // R_AIN0_DATA divided 8F_Quarter_VDD_Convert(8);           // execute 1/4VDD input channel ADC converting 8 timesR_Quarter_VDD_DATA <<= 4;          // R_Quarter_VDD_DATA shift left 4 bitR_Quarter_VDD_DATA_LB &= 0xF0;       // Only get Bit7~4R_Quarter_VDD_DATA += R_Quarter_VDD_DATA_LB;  R_Quarter_VDD_DATA + R_Quarter_VDD_DATA_LBR_Quarter_VDD_DATA >>=3;            // R_Quarter_VDD_DATA dividing 8TMRH = 0X04;   //设置  pwm的9-8位PWM2DUTY = R_AIN2_DATA / 4;//设置PWM的7-0位 2的10次方(pwm的值/1024） }
}//----- Sub-Routine -----
void F_AIN2_Convert(char count)
{char i;//1ADMD  = 0x90 | C_ADC_PA0;               // Select AIN0(PA0) pad as ADC inputADMD  = 0x90 | C_ADC_PA2;              // Select AIN0(PA0) pad as ADC inputfor(i=1;i<=count;i++){                ADMDbits.START = 1;                   // Start a ADC conversion sessionF_wait_eoc();                          // Wait for ADC conversion completeR_AIN2_DATA_LB += ( 0x0F & ADR); R_AIN2_DATA    += ADD; }
}void F_AIN3_Convert(char count)
{char i;//ADMD  = 0x90 | C_ADC_PA1;                // Select AIN0(PA0) pad as ADC inputADMD  = 0x90 | C_ADC_PA3;              // Select AIN0(PA0) pad as ADC inputfor(i=1;i<=count;i++){                ADMDbits.START = 1;                   // Start a ADC conversion sessionF_wait_eoc();                          // Wait for ADC conversion completeR_AIN3_DATA_LB += ( 0x0F & ADR); R_AIN3_DATA    += ADD; }
}void F_Quarter_VDD_Convert(char count)
{char i;ADMD  = 0x90 | C_Quarter_VDD;          // Select internal 1/4VDD as ADC inputfor(i=1;i<=count;i++){                  ADMDbits.START = 1;                   // Start a ADC conversion sessionF_wait_eoc();                          // Wait for ADC conversion complete R_Quarter_VDD_DATA_LB += ( 0x0F & ADR); R_Quarter_VDD_DATA    += ADD; }
}void F_wait_eoc(void)
{while(ADMDbits.EOC==0);
}void delay(int count)
{int i;for(i=1;i<=count;i++);
}

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