void myPwm()
{
// choose channel for pwm
PWM_Channel(E_CHANNEL0);
// pwm out enable
Init_PWM();
}
void Extruder_Start_Heating(uint16_t _target)
{
DBG_MSG("Target=%d", _target);
PID_Init(&pid, EXTRUDER_PID_KP, EXTRUDER_PID_KI, EXTRUDER_PID_KD, EXTRUDER_PID_INIT_SUM);
PWM_Channel(Ex1Heat_Ch, 90, false);
currentOutput = 0;
bHeating = true;
targetTemp = _target;
}
void Extruder_SetOutput(int output)
{
if(output > 100)
output = 100;
else if(output < 0)
output = 0;
PWM_Channel(Ex1Heat_Ch, output, true);
currentOutput = output;
}
/*
* 初始化PWM模块，设定脉冲频率(Hz)
*/
void PWM_Init(int freq)
{
uint16_t period, prescaler;
Timer_16bit_Calc(freq, &period, &prescaler);
TIMx_Config(TIM2, period, prescaler);
currentPeriod = period;
for(int i=1; i<=4; i++)
PWM_Channel(i, 50, false);
TIMx_Enable(TIM2);
// TIM2_SetInterrupt();
}
void Extruder_Stop_Heating()
{
PWM_Channel(Ex1Heat_Ch, 10, false);
currentOutput = 0;
bHeating = false;
}
void myPwm()
{
PWM_Channel(E_CHANNEL0); // Select PWM channel.
Init_PWM(); // Enable PWM function and set PWM period.
}