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標題: STC32G單片機編碼器模式 [打印本頁]

作者: pcbboy 時間: 2022-6-20 17:23
標題: STC32G單片機編碼器模式
有沒人測試過STC32G單片機的編碼器模式。
1.例程中 P1口選擇P1.0 ，P1.2 ，STC32G 沒有P1.2 。這么郁悶的事也有。
2.換到P2 口也沒反應。
3.找到STC8H的編碼器歷程也不能用。

下面是STC8H編碼器模式歷程：
#include "reg51.h"
#include "intrins.h"

typedef struct TIM1_struct
{
volatile unsigned char CR1;    /*!< control register 1 */
volatile unsigned char CR2;    /*!< control register 2 */
volatile unsigned char SMCR; /*!< Synchro mode control register */
volatile unsigned char ETR;    /*!< external trigger register */
volatile unsigned char IER;    /*!< interrupt enable register*/
volatile unsigned char SR1;    /*!< status register 1 */
volatile unsigned char SR2;    /*!< status register 2 */
volatile unsigned char EGR;    /*!< event generation register */
volatile unsigned char CCMR1; /*!< CC mode register 1 */
volatile unsigned char CCMR2; /*!< CC mode register 2 */
volatile unsigned char CCMR3; /*!< CC mode register 3 */
volatile unsigned char CCMR4; /*!< CC mode register 4 */
volatile unsigned char CCER1; /*!< CC enable register 1 */
volatile unsigned char CCER2; /*!< CC enable register 2 */
volatile unsigned char CNTRH; /*!< counter high */
volatile unsigned char CNTRL; /*!< counter low */
volatile unsigned char PSCRH; /*!< prescaler high */
volatile unsigned char PSCRL; /*!< prescaler low */
volatile unsigned char ARRH; /*!< auto-reload register high */
volatile unsigned char ARRL; /*!< auto-reload register low */
volatile unsigned char RCR;    /*!< Repetition Counter register */
volatile unsigned char CCR1H; /*!< capture/compare register 1 high */
volatile unsigned char CCR1L; /*!< capture/compare register 1 low */
volatile unsigned char CCR2H; /*!< capture/compare register 2 high */
volatile unsigned char CCR2L; /*!< capture/compare register 2 low */
volatile unsigned char CCR3H; /*!< capture/compare register 3 high */
volatile unsigned char CCR3L; /*!< capture/compare register 3 low */
volatile unsigned char CCR4H; /*!< capture/compare register 3 high */
volatile unsigned char CCR4L; /*!< capture/compare register 3 low */
volatile unsigned char BKR;    /*!< Break Register */
volatile unsigned char DTR;    /*!< dead-time register */
volatile unsigned char OISR; /*!< Output idle register */
}TIM1_TypeDef;

#define TIM1_BaseAddress 0xFEC0

#define TIM1       ((TIM1_TypeDef xdata*)TIM1_BaseAddress)
#define PWMA_ENO (*(unsigned char volatile xdata *)0xFEB1)
#define PWMA_PS    (*(unsigned char volatile xdata *)0xFEB2)

sfr    P0M0 = 0x94;
sfr    P0M1 = 0x93;
sfr    P1M0 = 0x92;
sfr    P1M1 = 0x91;
sfr    P_SW2 = 0xba;

sbit P03    = P0^3;

unsigned char cnt_H, cnt_L;

void main(void)
{
P_SW2 = 0x80;

P1M1 = 0x0f;
P1M0 = 0x00;

PWMA_ENO = 0x00;                         //配置成TRGI 的pin需關掉ENO對應bit并配成input
PWMA_PS = 0x00;                            //00:PWM at P1

TIM1-> PSCRH = 0x00;                      //預分頻寄存器
TIM1-> PSCRL = 0x00;

TIM1-> CCMR1  = 0x21;                      //通道模式配置為輸入，接編碼器,濾波器4時鐘
TIM1-> CCMR2  = 0x21;                      //通道模式配置為輸入，接編碼器,濾波器4時鐘

TIM1-> SMCR = 0x03;                      //編碼器模式3

TIM1-> CCER1  = 0x55;                      //配置通道使能和極性
TIM1-> CCER2  = 0x55;                      //配置通道使能和極性

TIM1-> IER  = 0x02;                      //使能中斷

TIM1-> CR1 |= 0x01;                      //使能計數器

EA = 1;

while (1);
}

/******************** PWM中斷讀編碼器計數值**************************/
void PWMA_ISR() interrupt 26
{
if (TIM1->SR1 & 0X02)
{
      P03 = ~P03;
      cnt_H = TIM1->CCR1H;
      cnt_L = TIM1->CCR1L;
      TIM1->SR1 &= ~0X02;
}
}

作者: lzzasd 時間: 2022-6-22 11:31
STC32沒試過但STC8H使用P2口通過可以使用

作者: suiwinder 時間: 2022-6-23 08:36
感覺和51有點類似啊。

歡迎光臨 (http://www.zg4o1577.cn/bbs/)

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