/*********************************************************************************************************
** Function name: SetFanOnOff
** Descriptions:
** input parameters:
**
** Output parameters:: 无
** Returned value:
**
** Created by: zhangwen
** Created Date:
**--------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
s8 SetFanOnOff(u8 fanstatus)
{
s8 ret = 0;
u8 FanPwm = 0;
if(fanstatus==0)
{
DBGPRINT(RT_DEBUG_TRACE,("Set Current Machine Fan Off\r\n"));
}
else
{
DBGPRINT(RT_DEBUG_TRACE,("Set Current Machine Fan On\r\n"));
}
g_u8FanStatus = fanstatus;
SetFanSpeed(g_u8FanStatus);
return ret;
}
void i2cTest() {
int speed=0;
double pressureReading=0;
I2C i2c(0, 100000);
while(1) {
if((60>(pressureReading-2.5)) || 60>(pressureReading+2.5)){
if(speed<10000){
speed=speed+100;
}
}
if((60<(pressureReading-2.5)) || 60<(pressureReading+2.5)){
if(speed>500){
speed=speed-100;
}
}
printf("speed= %d\n",speed);
SetFanSpeed(speed);
uint8_t pressureData[3];
uint8_t readPressureCmd = 0xF1;
int16_t pressure = 0;
if (i2c.transaction(0x40, &readPressureCmd, 1, pressureData, 3)) {
/* Output temperature. */
pressure = (pressureData[0] << 8) | pressureData[1];
pressureReading = (pressure/240.0)*0.95;
DEBUGOUT("Pressure read over I2C is %.1f Pa\r\n", (pressure/240.0)*0.95);
}
else {
DEBUGOUT("Error reading pressure.\r\n");
}
Sleep(500);
}
}
void CloseFan(void) //Close the fan
{
GpioWrite(FAN_POWER_CONTROL_PIN,0);
PWM_TIMER->TASKS_START = 0; //Stoping the pwm timer
SetFanSpeed(0);
}
void OpenFan(uint8_t duty_cycle) //Open the fan and the speed is setted by the duty-cycle
{
GpioWrite(FAN_POWER_CONTROL_PIN,1);
PWM_TIMER->TASKS_START = 1; //Starting the pwm timer
SetFanSpeed(duty_cycle);
}
