Exemplos de pwm_io_config em C++ (Cpp)

Exemplo n.º 1

Arquivo: pwm_example.c Projeto: Wangwenxue/Firefly-BLE

int main (void)
{
    SystemInit();

    pwm_init(PWM_CH0);
    pwm_io_config();
    //P2.7 will output pwm wave with period for 1000us and pulse for 400us
    pwm_config(PWM_CH0, PWM_PSCAL_DIV, PWM_COUNT_US(1000, PWM_PSCAL_DIV), PWM_COUNT_US(400, PWM_PSCAL_DIV));
    pwm_enable(PWM_CH0, MASK_ENABLE);
    
    pwm_config(PWM_CH0, PWM_PSCAL_DIV, PWM_COUNT_US(1000, PWM_PSCAL_DIV), PWM_COUNT_US(800, PWM_PSCAL_DIV));
    pwm_config(PWM_CH0, PWM_PSCAL_DIV, PWM_COUNT_US(1000, PWM_PSCAL_DIV), PWM_COUNT_US(1000, PWM_PSCAL_DIV));
    pwm_config(PWM_CH0, PWM_PSCAL_DIV, PWM_COUNT_US(1000, PWM_PSCAL_DIV), PWM_COUNT_US(0, PWM_PSCAL_DIV));
    pwm_config(PWM_CH0, PWM_PSCAL_DIV, PWM_COUNT_US(1000, PWM_PSCAL_DIV), PWM_COUNT_US(400, PWM_PSCAL_DIV));
    pwm_config(PWM_CH0, PWM_PSCAL_DIV, PWM_COUNT_US(1000, PWM_PSCAL_DIV), PWM_COUNT_US(800, PWM_PSCAL_DIV));
    pwm_config(PWM_CH0, PWM_PSCAL_DIV, PWM_COUNT_US(1000, PWM_PSCAL_DIV), PWM_COUNT_US(1000, PWM_PSCAL_DIV));
    pwm_config(PWM_CH0, PWM_PSCAL_DIV, PWM_COUNT_US(1000, PWM_PSCAL_DIV), PWM_COUNT_US(0, PWM_PSCAL_DIV));
    pwm_config(PWM_CH0, PWM_PSCAL_DIV, PWM_COUNT_US(1000, PWM_PSCAL_DIV), PWM_COUNT_US(800, PWM_PSCAL_DIV));
    pwm_enable(PWM_CH0, MASK_DISABLE);
    pwm_io_dis_config();

    pwm_init(PWM_CH1);
    pwm_io_config();
    //P2.6 will output pwm wave with period for 1500us and pulse for 1000us
    pwm_config(PWM_CH1, 119, PWM_COUNT_US(1500, 119), PWM_COUNT_US(1000, 119));
    pwm_enable(PWM_CH1, MASK_ENABLE);
    pwm_io_dis_config();

    while (1)                                /* Loop forever */
    {

    }
}

Exemplo n.º 2

Arquivo: at_command.c Projeto: haby77/fireble_passthrough

/*
****************************************************************************************
* @brief             ble_pwm
* @param[in]         pcCommandString            ÃüÁîºÍ²ÎÊý´æ·ÅµØÖ·
* @param[in]         pcWriteBuffer              дÈë´ËÊý×éµÄÃüÁ±»·¢Ë͵½´®¿Ú
* @param[in]         commpare_length            ÃüÁîËùÕ¼³¤¶È
* @response          None
* @return
* @description       ÆôÓûòÕ߹رÕPWM£¬ÃüÁî¸ñʽ£ºAT_PWM=
*****************************************************************************************/
int ble_pwm( const uint8_t * const pcCommandString,uint8_t* pcWriteBuffer,uint32_t commpare_length)
{
	//È¡²ÎÓÃÖ¸ÕëºÍ³¤¶ÈÉùÃ÷
	const int8_t *pcom;
	uint32_t pxParameterStringLength;

	//PWM²ÎÊý
	enum PWM_CH ch;
	uint16_t pscal;
	uint16_t periodcount;
	uint16_t pulsecount;
	
  uint8_t parm_num = at_get_parameters_numbers((const uint8_t*)pcCommandString + commpare_length + 2);

	//Èç¹ûÃüÁîÖÐЯ´ø²ÎÊý
	if(pcCommandString[commpare_length+1] == '=')
	{
		//Èç¹ûЯ´ø4¸ö²ÎÊý,ÔòÒÀ´ÎΪͨµÀÑ¡Ôñ¡¢·ÖƵϵÊý¡¢ÖÜÆÚºÍÕ¼¿Õ±È
		if(parm_num == 4)
		{
			// pwm_ch?
			pcom = at_get_parameter((const int8_t*)pcCommandString + commpare_length + 2, 0, &pxParameterStringLength);
			if(pxParameterStringLength == 1 )
			{ 
				if(pcom[0] == '0')
				{
					ch = PWM_CH0;
				}
				else if(pcom[0] == '1')
				{
					ch = PWM_CH1;
				}else
				{
					goto pram_err;
				}
			}
			else
			{
				goto pram_err;
			}	
			
			pcom = at_get_parameter((const int8_t*)pcCommandString + commpare_length + 2, 1, &pxParameterStringLength);
			if(pxParameterStringLength > 0)
			{
				pscal = at_HEXstringToNum((const uint8_t *)pcom, pxParameterStringLength); 
				if(pscal > 0x3FF)
				{
					goto pram_err;
				}
			}
			else
			{
				goto pram_err;
			}

			pcom = at_get_parameter((const int8_t*)pcCommandString + commpare_length + 2, 2, &pxParameterStringLength);
			if(pxParameterStringLength > 0)
			{
				periodcount = at_HEXstringToNum((const uint8_t *)pcom, pxParameterStringLength); 
				if(periodcount > 0xFF)
				{
					goto pram_err;
				}
			}
			else
			{
				goto pram_err;
			}			
			
			pcom = at_get_parameter((const int8_t*)pcCommandString + commpare_length + 2, 3, &pxParameterStringLength);
			if(pxParameterStringLength > 0)
			{
				pulsecount = at_HEXstringToNum((const uint8_t *)pcom, pxParameterStringLength); 
				if(pulsecount > 0xFF)
				{
					goto pram_err;
				}
			}
			else
			{
				goto pram_err;
			}

			//Parameters without error
			pwm_init(ch);
			pwm_io_config(ch);	
			pwm_config(ch, pscal, periodcount,pulsecount);
			pwm_enable(ch, MASK_ENABLE);			
	
		}
		//Èç¹ûÖ»ÓÐÒ»¸ö²ÎÊý£¬ÄǾʹú±íָʾ¹Ø±ÕÄÄÒ»¸öͨµÀ
		else if(parm_num == 1)
		{
			if(pcCommandString[commpare_length + 2] == '0')
			{
				pwm_enable(PWM_CH0, MASK_DISABLE);
			}
			else if((pcCommandString[commpare_length + 2] == '1'))
			{
				pwm_enable(PWM_CH1, MASK_DISABLE);
			}
			else
			{
				goto pram_err;
			}
		}
		else
		{
			goto pram_err;
		}
	}
	else
	{
		goto pram_err;
	}
	
	return sprintf((char*)pcWriteBuffer,"OK\r\n");
	
pram_err:	
	return sprintf((char*)pcWriteBuffer,"ERR\r\n");
}