知道你们很懒
我就做个好人
PWM 的发送 给你写好了
这个是我写的汽车遥控钥匙 发射编码测试用的
记得给分啊
- /* Includes ------------------------------------------------------------------*/
- #include "main.h"
- #include "gpio.h"
- #include "stdio.h"
- /**/
- #define _RF_PWM_LL HAL_GPIO_WritePin(mLED10_GPIO_Port,mLED10_Pin,GPIO_PIN_SET)
- #define _RF_PWM_HH HAL_GPIO_WritePin(mLED10_GPIO_Port,mLED10_Pin,GPIO_PIN_RESET)
- #define _RF_PWM_Head_Time 60 //60*50us
- #define _RF_PWM_Hi_Time 6 //10*50us
- #define _RF_PWM_Low_Time 14 //20*50us
- volatile uint16_t cgTIMx_50US_RKE;
- void cBCMx_RF_PWM_Head()
- {
- _RF_PWM_LL;
- cgTIMx_50US_RKE=_RF_PWM_Head_Time;
- while(cgTIMx_50US_RKE){}
- }
-
- void cBCMx_RF_PWM_SendByte(uint8_t Data)
- {
- uint8_t i;
- uint8_t tmp;
-
- for(i=0;i<8;i++)
- {
- tmp=Data;
- tmp = (tmp<<i)&0x80;
-
- if(tmp>0)
- {
- //output 1
- _RF_PWM_HH;
- cgTIMx_50US_RKE=_RF_PWM_Hi_Time;
- while(cgTIMx_50US_RKE){};
-
- _RF_PWM_LL;
- cgTIMx_50US_RKE=_RF_PWM_Low_Time;
- while(cgTIMx_50US_RKE){};
- }
- else
- {
- _RF_PWM_HH;
- cgTIMx_50US_RKE=_RF_PWM_Low_Time;
- while(cgTIMx_50US_RKE){};
-
- _RF_PWM_LL;
- cgTIMx_50US_RKE=_RF_PWM_Hi_Time;
- while(cgTIMx_50US_RKE){};
-
- }
-
- }
- }
- void cBCMx_RF_PWM_Send(uint8_t *buf ,uint8_t len)
- {
- uint8_t i;
-
- cBCMx_RF_PWM_Head();
- for(i=0;i<len;i++) cBCMx_RF_PWM_SendByte(buf[i]);
-
- }
- void cBCMx_RF_PWM_Test(void)
- {
- uint8_t sc[]={0x01,0x02,0xf0,0xf7,0x55,0x88,0x99,0xaa,0xbb,0xcc};
-
- cBCMx_RF_PWM_Send(sc,10);
- }
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